vips

package

v1.1.1 Latest Latest Go to latest Published: Jun 6, 2025 License: MIT Imports: 10 Imported by: 5

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Repository

github.com/cshum/vipsgen

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Open Source Insights

Documentation ¶

Overview ¶

Code generated by github.com/cshum/vipsgen from libvips 8.17.0; DO NOT EDIT.

Index ¶

Constants ¶

View Source

const MajorVersion = int(C.VIPS_MAJOR_VERSION)

MajorVersion is the libvips major component of the version string (x in x.y.z)

View Source

const MicroVersion = int(C.VIPS_MICRO_VERSION)

MicroVersion is the libvips micro component of the version string (z in x.y.z) Also known as patch version

View Source

const MinorVersion = int(C.VIPS_MINOR_VERSION)

MinorVersion is the libvips minor component of the version string (y in x.y.z)

View Source

const Version = string(C.VIPS_VERSION)

Version is the full libvips version string (x.y.z)

Variables ¶

This section is empty.

Functions ¶

func HasOperation ¶ added in v0.8.2

func HasOperation(name string) bool

HasOperation checks if a libvips operation exists

func ProfileLoad ¶

func ProfileLoad(name string) ([]byte, error)

ProfileLoad vips_profile_load load named ICC profile

The name specifies profile name.

func ReadVipsMemStats ¶

func ReadVipsMemStats(stats *MemoryStats)

ReadVipsMemStats returns various memory statistics such as allocated memory and open files.

func SetLogging ¶

func SetLogging(handler LoggingHandlerFunction, verbosity LogLevel)

SetLogging set logging handler and verbosity

func Startup ¶

func Startup(config *Config)

Startup sets up libvips and ensures the versions are correct. Pass in nil for default config.

Types ¶

type AffineOptions ¶

type AffineOptions struct {
	// Interpolate Interpolate pixels with this
	Interpolate *Interpolate
	// Oarea Area of output to generate
	Oarea []int
	// Odx Horizontal output displacement
	Odx float64
	// Ody Vertical output displacement
	Ody float64
	// Idx Horizontal input displacement
	Idx float64
	// Idy Vertical input displacement
	Idy float64
	// Background Background value
	Background []float64
	// Premultiplied Images have premultiplied alpha
	Premultiplied bool
	// Extend How to generate the extra pixels
	Extend Extend
}

AffineOptions optional arguments for vips_affine

func DefaultAffineOptions ¶

func DefaultAffineOptions() *AffineOptions

DefaultAffineOptions creates default value for vips_affine optional arguments

type AnalyzeloadOptions ¶

type AnalyzeloadOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

AnalyzeloadOptions optional arguments for vips_analyzeload

func DefaultAnalyzeloadOptions ¶

func DefaultAnalyzeloadOptions() *AnalyzeloadOptions

DefaultAnalyzeloadOptions creates default value for vips_analyzeload optional arguments

type ArrayjoinOptions ¶

type ArrayjoinOptions struct {
	// Across Number of images across grid
	Across int
	// Shim Pixels between images
	Shim int
	// Background Colour for new pixels
	Background []float64
	// Halign Align on the left, centre or right
	Halign Align
	// Valign Align on the top, centre or bottom
	Valign Align
	// Hspacing Horizontal spacing between images
	Hspacing int
	// Vspacing Vertical spacing between images
	Vspacing int
}

ArrayjoinOptions optional arguments for vips_arrayjoin

func DefaultArrayjoinOptions ¶

func DefaultArrayjoinOptions() *ArrayjoinOptions

DefaultArrayjoinOptions creates default value for vips_arrayjoin optional arguments

type BandfoldOptions ¶

type BandfoldOptions struct {
	// Factor Fold by this factor
	Factor int
}

BandfoldOptions optional arguments for vips_bandfold

func DefaultBandfoldOptions ¶

func DefaultBandfoldOptions() *BandfoldOptions

DefaultBandfoldOptions creates default value for vips_bandfold optional arguments

type BandrankOptions ¶

type BandrankOptions struct {
	// Index Select this band element from sorted list
	Index int
}

BandrankOptions optional arguments for vips_bandrank

func DefaultBandrankOptions ¶

func DefaultBandrankOptions() *BandrankOptions

DefaultBandrankOptions creates default value for vips_bandrank optional arguments

type BandunfoldOptions ¶

type BandunfoldOptions struct {
	// Factor Unfold by this factor
	Factor int
}

BandunfoldOptions optional arguments for vips_bandunfold

func DefaultBandunfoldOptions ¶

func DefaultBandunfoldOptions() *BandunfoldOptions

DefaultBandunfoldOptions creates default value for vips_bandunfold optional arguments

type BlackOptions ¶

type BlackOptions struct {
	// Bands Number of bands in image
	Bands int
}

BlackOptions optional arguments for vips_black

func DefaultBlackOptions ¶

func DefaultBlackOptions() *BlackOptions

DefaultBlackOptions creates default value for vips_black optional arguments

type CannyOptions ¶

type CannyOptions struct {
	// Sigma Sigma of Gaussian
	Sigma float64
	// Precision Convolve with this precision
	Precision Precision
}

CannyOptions optional arguments for vips_canny

func DefaultCannyOptions ¶

func DefaultCannyOptions() *CannyOptions

DefaultCannyOptions creates default value for vips_canny optional arguments

type CastOptions ¶

type CastOptions struct {
	// Shift Shift integer values up and down
	Shift bool
}

CastOptions optional arguments for vips_cast

func DefaultCastOptions ¶

func DefaultCastOptions() *CastOptions

DefaultCastOptions creates default value for vips_cast optional arguments

type ClampOptions ¶

type ClampOptions struct {
	// Min Minimum value
	Min float64
	// Max Maximum value
	Max float64
}

ClampOptions optional arguments for vips_clamp

func DefaultClampOptions ¶

func DefaultClampOptions() *ClampOptions

DefaultClampOptions creates default value for vips_clamp optional arguments

type ColourspaceOptions ¶

type ColourspaceOptions struct {
	// SourceSpace Source color space
	SourceSpace Interpretation
}

ColourspaceOptions optional arguments for vips_colourspace

func DefaultColourspaceOptions ¶

func DefaultColourspaceOptions() *ColourspaceOptions

DefaultColourspaceOptions creates default value for vips_colourspace optional arguments

type CompassOptions ¶

type CompassOptions struct {
	// Times Rotate and convolve this many times
	Times int
	// Angle Rotate mask by this much between convolutions
	Angle Angle45
	// Combine Combine convolution results like this
	Combine Combine
	// Precision Convolve with this precision
	Precision Precision
	// Layers Use this many layers in approximation
	Layers int
	// Cluster Cluster lines closer than this in approximation
	Cluster int
}

CompassOptions optional arguments for vips_compass

func DefaultCompassOptions ¶

func DefaultCompassOptions() *CompassOptions

DefaultCompassOptions creates default value for vips_compass optional arguments

type Composite2Options ¶

type Composite2Options struct {
	// X x position of overlay
	X int
	// Y y position of overlay
	Y int
	// CompositingSpace Composite images in this colour space
	CompositingSpace Interpretation
	// Premultiplied Images have premultiplied alpha
	Premultiplied bool
}

Composite2Options optional arguments for vips_composite2

func DefaultComposite2Options ¶

func DefaultComposite2Options() *Composite2Options

DefaultComposite2Options creates default value for vips_composite2 optional arguments

type CompositeOptions ¶

type CompositeOptions struct {
	// X Array of x coordinates to join at
	X []int
	// Y Array of y coordinates to join at
	Y []int
	// CompositingSpace Composite images in this colour space
	CompositingSpace Interpretation
	// Premultiplied Images have premultiplied alpha
	Premultiplied bool
}

CompositeOptions optional arguments for vips_composite

func DefaultCompositeOptions ¶

func DefaultCompositeOptions() *CompositeOptions

DefaultCompositeOptions creates default value for vips_composite optional arguments

type Config ¶

type Config struct {
	ConcurrencyLevel int
	MaxCacheFiles    int
	MaxCacheMem      int
	MaxCacheSize     int
	ReportLeaks      bool
	CacheTrace       bool
	VectorEnabled    bool
}

type ConvOptions ¶

type ConvOptions struct {
	// Precision Convolve with this precision
	Precision Precision
	// Layers Use this many layers in approximation
	Layers int
	// Cluster Cluster lines closer than this in approximation
	Cluster int
}

ConvOptions optional arguments for vips_conv

func DefaultConvOptions ¶

func DefaultConvOptions() *ConvOptions

DefaultConvOptions creates default value for vips_conv optional arguments

type ConvaOptions ¶

type ConvaOptions struct {
	// Layers Use this many layers in approximation
	Layers int
	// Cluster Cluster lines closer than this in approximation
	Cluster int
}

ConvaOptions optional arguments for vips_conva

func DefaultConvaOptions ¶

func DefaultConvaOptions() *ConvaOptions

DefaultConvaOptions creates default value for vips_conva optional arguments

type ConvasepOptions ¶

type ConvasepOptions struct {
	// Layers Use this many layers in approximation
	Layers int
}

ConvasepOptions optional arguments for vips_convasep

func DefaultConvasepOptions ¶

func DefaultConvasepOptions() *ConvasepOptions

DefaultConvasepOptions creates default value for vips_convasep optional arguments

type ConvsepOptions ¶

type ConvsepOptions struct {
	// Precision Convolve with this precision
	Precision Precision
	// Layers Use this many layers in approximation
	Layers int
	// Cluster Cluster lines closer than this in approximation
	Cluster int
}

ConvsepOptions optional arguments for vips_convsep

func DefaultConvsepOptions ¶

func DefaultConvsepOptions() *ConvsepOptions

DefaultConvsepOptions creates default value for vips_convsep optional arguments

type CopyOptions ¶

type CopyOptions struct {
	// Width Image width in pixels
	Width int
	// Height Image height in pixels
	Height int
	// Bands Number of bands in image
	Bands int
	// Format Pixel format in image
	Format BandFormat
	// Coding Pixel coding
	Coding Coding
	// Interpretation Pixel interpretation
	Interpretation Interpretation
	// Xres Horizontal resolution in pixels/mm
	Xres float64
	// Yres Vertical resolution in pixels/mm
	Yres float64
	// Xoffset Horizontal offset of origin
	Xoffset int
	// Yoffset Vertical offset of origin
	Yoffset int
}

CopyOptions optional arguments for vips_copy

func DefaultCopyOptions ¶

func DefaultCopyOptions() *CopyOptions

DefaultCopyOptions creates default value for vips_copy optional arguments

type CsvloadOptions ¶

type CsvloadOptions struct {
	// Skip Skip this many lines at the start of the file
	Skip int
	// Lines Read this many lines from the file
	Lines int
	// Whitespace Set of whitespace characters
	Whitespace string
	// Separator Set of separator characters
	Separator string
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

CsvloadOptions optional arguments for vips_csvload

func DefaultCsvloadOptions ¶

func DefaultCsvloadOptions() *CsvloadOptions

DefaultCsvloadOptions creates default value for vips_csvload optional arguments

type CsvloadSourceOptions ¶

type CsvloadSourceOptions struct {
	// Skip Skip this many lines at the start of the file
	Skip int
	// Lines Read this many lines from the file
	Lines int
	// Whitespace Set of whitespace characters
	Whitespace string
	// Separator Set of separator characters
	Separator string
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

CsvloadSourceOptions optional arguments for vips_csvload_source

func DefaultCsvloadSourceOptions ¶

func DefaultCsvloadSourceOptions() *CsvloadSourceOptions

DefaultCsvloadSourceOptions creates default value for vips_csvload_source optional arguments

type CsvsaveOptions ¶

type CsvsaveOptions struct {
	// Separator Separator characters
	Separator string
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

CsvsaveOptions optional arguments for vips_csvsave

func DefaultCsvsaveOptions ¶

func DefaultCsvsaveOptions() *CsvsaveOptions

DefaultCsvsaveOptions creates default value for vips_csvsave optional arguments

type CsvsaveTargetOptions ¶ added in v1.1.0

type CsvsaveTargetOptions struct {
	// Separator Separator characters
	Separator string
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

CsvsaveTargetOptions optional arguments for vips_csvsave_target

func DefaultCsvsaveTargetOptions ¶ added in v1.1.0

func DefaultCsvsaveTargetOptions() *CsvsaveTargetOptions

DefaultCsvsaveTargetOptions creates default value for vips_csvsave_target optional arguments

type DrawCircleOptions ¶

type DrawCircleOptions struct {
	// Fill Draw a solid object
	Fill bool
}

DrawCircleOptions optional arguments for vips_draw_circle

func DefaultDrawCircleOptions ¶

func DefaultDrawCircleOptions() *DrawCircleOptions

DefaultDrawCircleOptions creates default value for vips_draw_circle optional arguments

type DrawFloodOptions ¶

type DrawFloodOptions struct {
	// Test Test pixels in this image
	Test *Image
	// Equal DrawFlood while equal to edge
	Equal bool
}

DrawFloodOptions optional arguments for vips_draw_flood

func DefaultDrawFloodOptions ¶

func DefaultDrawFloodOptions() *DrawFloodOptions

DefaultDrawFloodOptions creates default value for vips_draw_flood optional arguments

type DrawImageOptions ¶

type DrawImageOptions struct {
	// Mode Combining mode
	Mode CombineMode
}

DrawImageOptions optional arguments for vips_draw_image

func DefaultDrawImageOptions ¶

func DefaultDrawImageOptions() *DrawImageOptions

DefaultDrawImageOptions creates default value for vips_draw_image optional arguments

type DrawRectOptions ¶

type DrawRectOptions struct {
	// Fill Draw a solid object
	Fill bool
}

DrawRectOptions optional arguments for vips_draw_rect

func DefaultDrawRectOptions ¶

func DefaultDrawRectOptions() *DrawRectOptions

DefaultDrawRectOptions creates default value for vips_draw_rect optional arguments

type DzContainer ¶ added in v0.2.0

type DzContainer int

DzContainer represents VipsForeignDzContainer type

const (
	DzContainerFs   DzContainer = C.VIPS_FOREIGN_DZ_CONTAINER_FS
	DzContainerZip  DzContainer = C.VIPS_FOREIGN_DZ_CONTAINER_ZIP
	DzContainerSzi  DzContainer = C.VIPS_FOREIGN_DZ_CONTAINER_SZI
	DzContainerLast DzContainer = C.VIPS_FOREIGN_DZ_CONTAINER_LAST
)

DzContainer enum

type DzLayout ¶ added in v0.2.0

type DzLayout int

DzLayout represents VipsForeignDzLayout type

const (
	DzLayoutDz      DzLayout = C.VIPS_FOREIGN_DZ_LAYOUT_DZ
	DzLayoutZoomify DzLayout = C.VIPS_FOREIGN_DZ_LAYOUT_ZOOMIFY
	DzLayoutGoogle  DzLayout = C.VIPS_FOREIGN_DZ_LAYOUT_GOOGLE
	DzLayoutIiif    DzLayout = C.VIPS_FOREIGN_DZ_LAYOUT_IIIF
	DzLayoutIiif3   DzLayout = C.VIPS_FOREIGN_DZ_LAYOUT_IIIF3
	DzLayoutLast    DzLayout = C.VIPS_FOREIGN_DZ_LAYOUT_LAST
)

DzLayout enum

type DzsaveBufferOptions ¶ added in v0.2.0

type DzsaveBufferOptions struct {
	// Imagename Image name
	Imagename string
	// Layout Directory layout
	Layout DzLayout
	// Suffix Filename suffix for tiles
	Suffix string
	// Overlap Tile overlap in pixels
	Overlap int
	// TileSize Tile size in pixels
	TileSize int
	// Centre Center image in tile
	Centre bool
	// Depth Pyramid depth
	Depth DzDepth
	// Angle Rotate image during save
	Angle Angle
	// Container Pyramid container type
	Container DzContainer
	// Compression ZIP deflate compression level
	Compression int
	// RegionShrink Method to shrink regions
	RegionShrink RegionShrink
	// SkipBlanks Skip tiles which are nearly equal to the background
	SkipBlanks int
	// Id Resource ID
	Id string
	// Q Q factor
	Q int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

DzsaveBufferOptions optional arguments for vips_dzsave_buffer

func DefaultDzsaveBufferOptions ¶ added in v0.2.0

func DefaultDzsaveBufferOptions() *DzsaveBufferOptions

DefaultDzsaveBufferOptions creates default value for vips_dzsave_buffer optional arguments

type DzsaveOptions ¶ added in v0.2.0

type DzsaveOptions struct {
	// Imagename Image name
	Imagename string
	// Layout Directory layout
	Layout DzLayout
	// Suffix Filename suffix for tiles
	Suffix string
	// Overlap Tile overlap in pixels
	Overlap int
	// TileSize Tile size in pixels
	TileSize int
	// Centre Center image in tile
	Centre bool
	// Depth Pyramid depth
	Depth DzDepth
	// Angle Rotate image during save
	Angle Angle
	// Container Pyramid container type
	Container DzContainer
	// Compression ZIP deflate compression level
	Compression int
	// RegionShrink Method to shrink regions
	RegionShrink RegionShrink
	// SkipBlanks Skip tiles which are nearly equal to the background
	SkipBlanks int
	// Id Resource ID
	Id string
	// Q Q factor
	Q int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

DzsaveOptions optional arguments for vips_dzsave

func DefaultDzsaveOptions ¶ added in v0.2.0

func DefaultDzsaveOptions() *DzsaveOptions

DefaultDzsaveOptions creates default value for vips_dzsave optional arguments

type DzsaveTargetOptions ¶ added in v1.1.0

type DzsaveTargetOptions struct {
	// Imagename Image name
	Imagename string
	// Layout Directory layout
	Layout DzLayout
	// Suffix Filename suffix for tiles
	Suffix string
	// Overlap Tile overlap in pixels
	Overlap int
	// TileSize Tile size in pixels
	TileSize int
	// Centre Center image in tile
	Centre bool
	// Depth Pyramid depth
	Depth DzDepth
	// Angle Rotate image during save
	Angle Angle
	// Container Pyramid container type
	Container DzContainer
	// Compression ZIP deflate compression level
	Compression int
	// RegionShrink Method to shrink regions
	RegionShrink RegionShrink
	// SkipBlanks Skip tiles which are nearly equal to the background
	SkipBlanks int
	// Id Resource ID
	Id string
	// Q Q factor
	Q int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

DzsaveTargetOptions optional arguments for vips_dzsave_target

func DefaultDzsaveTargetOptions ¶ added in v1.1.0

func DefaultDzsaveTargetOptions() *DzsaveTargetOptions

DefaultDzsaveTargetOptions creates default value for vips_dzsave_target optional arguments

type EmbedMultiPageOptions ¶

type EmbedMultiPageOptions struct {
	// Extend determines how the image edges are extended
	Extend Extend
	// Background color components [0-255]
	Background []float64
}

EmbedMultiPageOptions are options for EmbedMultiPage method

func DefaultEmbedMultiPageOptions ¶

func DefaultEmbedMultiPageOptions() *EmbedMultiPageOptions

DefaultEmbedMultiPageOptions creates default options for EmbedMultiPage

type EmbedOptions ¶

type EmbedOptions struct {
	// Extend How to generate the extra pixels
	Extend Extend
	// Background Color for background pixels
	Background []float64
}

EmbedOptions optional arguments for vips_embed

func DefaultEmbedOptions ¶

func DefaultEmbedOptions() *EmbedOptions

DefaultEmbedOptions creates default value for vips_embed optional arguments

type ExtractBandOptions ¶

type ExtractBandOptions struct {
	// N Number of bands to extract
	N int
}

ExtractBandOptions optional arguments for vips_extract_band

func DefaultExtractBandOptions ¶

func DefaultExtractBandOptions() *ExtractBandOptions

DefaultExtractBandOptions creates default value for vips_extract_band optional arguments

type EyeOptions ¶

type EyeOptions struct {
	// Uchar Output an unsigned char image
	Uchar bool
	// Factor Maximum spatial frequency
	Factor float64
}

EyeOptions optional arguments for vips_eye

func DefaultEyeOptions ¶

func DefaultEyeOptions() *EyeOptions

DefaultEyeOptions creates default value for vips_eye optional arguments

type FindTrimOptions ¶

type FindTrimOptions struct {
	// Threshold Object threshold
	Threshold float64
	// Background Color for background pixels
	Background []float64
	// LineArt Enable line art mode
	LineArt bool
}

FindTrimOptions optional arguments for vips_find_trim

func DefaultFindTrimOptions ¶

func DefaultFindTrimOptions() *FindTrimOptions

DefaultFindTrimOptions creates default value for vips_find_trim optional arguments

type FitsloadOptions ¶

type FitsloadOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

FitsloadOptions optional arguments for vips_fitsload

func DefaultFitsloadOptions ¶

func DefaultFitsloadOptions() *FitsloadOptions

DefaultFitsloadOptions creates default value for vips_fitsload optional arguments

type FitssaveOptions ¶

type FitssaveOptions struct {
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

FitssaveOptions optional arguments for vips_fitssave

func DefaultFitssaveOptions ¶

func DefaultFitssaveOptions() *FitssaveOptions

DefaultFitssaveOptions creates default value for vips_fitssave optional arguments

type FlattenOptions ¶

type FlattenOptions struct {
	// Background Background value
	Background []float64
	// MaxAlpha Maximum value of alpha channel
	MaxAlpha float64
}

FlattenOptions optional arguments for vips_flatten

func DefaultFlattenOptions ¶

func DefaultFlattenOptions() *FlattenOptions

DefaultFlattenOptions creates default value for vips_flatten optional arguments

type GammaOptions ¶

type GammaOptions struct {
	// Exponent Gamma factor
	Exponent float64
}

GammaOptions optional arguments for vips_gamma

func DefaultGammaOptions ¶

func DefaultGammaOptions() *GammaOptions

DefaultGammaOptions creates default value for vips_gamma optional arguments

type GaussblurOptions ¶

type GaussblurOptions struct {
	// MinAmpl Minimum amplitude of Gaussian
	MinAmpl float64
	// Precision Convolve with this precision
	Precision Precision
}

GaussblurOptions optional arguments for vips_gaussblur

func DefaultGaussblurOptions ¶

func DefaultGaussblurOptions() *GaussblurOptions

DefaultGaussblurOptions creates default value for vips_gaussblur optional arguments

type GaussmatOptions ¶

type GaussmatOptions struct {
	// Separable Generate separable Gaussian
	Separable bool
	// Precision Generate with this precision
	Precision Precision
}

GaussmatOptions optional arguments for vips_gaussmat

func DefaultGaussmatOptions ¶

func DefaultGaussmatOptions() *GaussmatOptions

DefaultGaussmatOptions creates default value for vips_gaussmat optional arguments

type GaussnoiseOptions ¶

type GaussnoiseOptions struct {
	// Sigma Standard deviation of pixels in generated image
	Sigma float64
	// Mean Mean of pixels in generated image
	Mean float64
	// Seed Random number seed
	Seed int
}

GaussnoiseOptions optional arguments for vips_gaussnoise

func DefaultGaussnoiseOptions ¶

func DefaultGaussnoiseOptions() *GaussnoiseOptions

DefaultGaussnoiseOptions creates default value for vips_gaussnoise optional arguments

type GetpointOptions ¶

type GetpointOptions struct {
	// UnpackComplex Complex pixels should be unpacked
	UnpackComplex bool
}

GetpointOptions optional arguments for vips_getpoint

func DefaultGetpointOptions ¶

func DefaultGetpointOptions() *GetpointOptions

DefaultGetpointOptions creates default value for vips_getpoint optional arguments

type GifloadBufferOptions ¶

type GifloadBufferOptions struct {
	// N Number of pages to load, -1 for all
	N int
	// Page First page to load
	Page int
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

GifloadBufferOptions optional arguments for vips_gifload_buffer

func DefaultGifloadBufferOptions ¶

func DefaultGifloadBufferOptions() *GifloadBufferOptions

DefaultGifloadBufferOptions creates default value for vips_gifload_buffer optional arguments

type GifloadOptions ¶

type GifloadOptions struct {
	// N Number of pages to load, -1 for all
	N int
	// Page First page to load
	Page int
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

GifloadOptions optional arguments for vips_gifload

func DefaultGifloadOptions ¶

func DefaultGifloadOptions() *GifloadOptions

DefaultGifloadOptions creates default value for vips_gifload optional arguments

type GifloadSourceOptions ¶

type GifloadSourceOptions struct {
	// N Number of pages to load, -1 for all
	N int
	// Page First page to load
	Page int
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

GifloadSourceOptions optional arguments for vips_gifload_source

func DefaultGifloadSourceOptions ¶

func DefaultGifloadSourceOptions() *GifloadSourceOptions

DefaultGifloadSourceOptions creates default value for vips_gifload_source optional arguments

type GifsaveBufferOptions ¶

type GifsaveBufferOptions struct {
	// Dither Amount of dithering
	Dither float64
	// Effort Quantisation effort
	Effort int
	// Bitdepth Number of bits per pixel
	Bitdepth int
	// InterframeMaxerror Maximum inter-frame error for transparency
	InterframeMaxerror float64
	// Reuse Reuse palette from input
	Reuse bool
	// InterpaletteMaxerror Maximum inter-palette error for palette reusage
	InterpaletteMaxerror float64
	// Interlace Generate an interlaced (progressive) GIF
	Interlace bool
	// KeepDuplicateFrames Keep duplicate frames in the output instead of combining them
	KeepDuplicateFrames bool
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

GifsaveBufferOptions optional arguments for vips_gifsave_buffer

func DefaultGifsaveBufferOptions ¶

func DefaultGifsaveBufferOptions() *GifsaveBufferOptions

DefaultGifsaveBufferOptions creates default value for vips_gifsave_buffer optional arguments

type GifsaveOptions ¶

type GifsaveOptions struct {
	// Dither Amount of dithering
	Dither float64
	// Effort Quantisation effort
	Effort int
	// Bitdepth Number of bits per pixel
	Bitdepth int
	// InterframeMaxerror Maximum inter-frame error for transparency
	InterframeMaxerror float64
	// Reuse Reuse palette from input
	Reuse bool
	// InterpaletteMaxerror Maximum inter-palette error for palette reusage
	InterpaletteMaxerror float64
	// Interlace Generate an interlaced (progressive) GIF
	Interlace bool
	// KeepDuplicateFrames Keep duplicate frames in the output instead of combining them
	KeepDuplicateFrames bool
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

GifsaveOptions optional arguments for vips_gifsave

func DefaultGifsaveOptions ¶

func DefaultGifsaveOptions() *GifsaveOptions

DefaultGifsaveOptions creates default value for vips_gifsave optional arguments

type GifsaveTargetOptions ¶ added in v1.1.0

type GifsaveTargetOptions struct {
	// Dither Amount of dithering
	Dither float64
	// Effort Quantisation effort
	Effort int
	// Bitdepth Number of bits per pixel
	Bitdepth int
	// InterframeMaxerror Maximum inter-frame error for transparency
	InterframeMaxerror float64
	// Reuse Reuse palette from input
	Reuse bool
	// InterpaletteMaxerror Maximum inter-palette error for palette reusage
	InterpaletteMaxerror float64
	// Interlace Generate an interlaced (progressive) GIF
	Interlace bool
	// KeepDuplicateFrames Keep duplicate frames in the output instead of combining them
	KeepDuplicateFrames bool
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

GifsaveTargetOptions optional arguments for vips_gifsave_target

func DefaultGifsaveTargetOptions ¶ added in v1.1.0

func DefaultGifsaveTargetOptions() *GifsaveTargetOptions

DefaultGifsaveTargetOptions creates default value for vips_gifsave_target optional arguments

type GlobalbalanceOptions ¶

type GlobalbalanceOptions struct {
	// Gamma Image gamma
	Gamma float64
	// IntOutput Integer output
	IntOutput bool
}

GlobalbalanceOptions optional arguments for vips_globalbalance

func DefaultGlobalbalanceOptions ¶

func DefaultGlobalbalanceOptions() *GlobalbalanceOptions

DefaultGlobalbalanceOptions creates default value for vips_globalbalance optional arguments

type GravityOptions ¶

type GravityOptions struct {
	// Extend How to generate the extra pixels
	Extend Extend
	// Background Color for background pixels
	Background []float64
}

GravityOptions optional arguments for vips_gravity

func DefaultGravityOptions ¶

func DefaultGravityOptions() *GravityOptions

DefaultGravityOptions creates default value for vips_gravity optional arguments

type GreyOptions ¶

type GreyOptions struct {
	// Uchar Output an unsigned char image
	Uchar bool
}

GreyOptions optional arguments for vips_grey

func DefaultGreyOptions ¶

func DefaultGreyOptions() *GreyOptions

DefaultGreyOptions creates default value for vips_grey optional arguments

type HeifloadBufferOptions ¶

type HeifloadBufferOptions struct {
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Thumbnail Fetch thumbnail image
	Thumbnail bool
	// Unlimited Remove all denial of service limits
	Unlimited bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

HeifloadBufferOptions optional arguments for vips_heifload_buffer

func DefaultHeifloadBufferOptions ¶

func DefaultHeifloadBufferOptions() *HeifloadBufferOptions

DefaultHeifloadBufferOptions creates default value for vips_heifload_buffer optional arguments

type HeifloadOptions ¶

type HeifloadOptions struct {
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Thumbnail Fetch thumbnail image
	Thumbnail bool
	// Unlimited Remove all denial of service limits
	Unlimited bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

HeifloadOptions optional arguments for vips_heifload

func DefaultHeifloadOptions ¶

func DefaultHeifloadOptions() *HeifloadOptions

DefaultHeifloadOptions creates default value for vips_heifload optional arguments

type HeifloadSourceOptions ¶

type HeifloadSourceOptions struct {
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Thumbnail Fetch thumbnail image
	Thumbnail bool
	// Unlimited Remove all denial of service limits
	Unlimited bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

HeifloadSourceOptions optional arguments for vips_heifload_source

func DefaultHeifloadSourceOptions ¶

func DefaultHeifloadSourceOptions() *HeifloadSourceOptions

DefaultHeifloadSourceOptions creates default value for vips_heifload_source optional arguments

type HeifsaveBufferOptions ¶

type HeifsaveBufferOptions struct {
	// Q Q factor
	Q int
	// Bitdepth Number of bits per pixel
	Bitdepth int
	// Lossless Enable lossless compression
	Lossless bool
	// Compression Compression format
	Compression HeifCompression
	// Effort CPU effort
	Effort int
	// SubsampleMode Select chroma subsample operation mode
	SubsampleMode Subsample
	// Encoder Select encoder to use
	Encoder HeifEncoder
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

HeifsaveBufferOptions optional arguments for vips_heifsave_buffer

func DefaultHeifsaveBufferOptions ¶

func DefaultHeifsaveBufferOptions() *HeifsaveBufferOptions

DefaultHeifsaveBufferOptions creates default value for vips_heifsave_buffer optional arguments

type HeifsaveOptions ¶

type HeifsaveOptions struct {
	// Q Q factor
	Q int
	// Bitdepth Number of bits per pixel
	Bitdepth int
	// Lossless Enable lossless compression
	Lossless bool
	// Compression Compression format
	Compression HeifCompression
	// Effort CPU effort
	Effort int
	// SubsampleMode Select chroma subsample operation mode
	SubsampleMode Subsample
	// Encoder Select encoder to use
	Encoder HeifEncoder
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

HeifsaveOptions optional arguments for vips_heifsave

func DefaultHeifsaveOptions ¶

func DefaultHeifsaveOptions() *HeifsaveOptions

DefaultHeifsaveOptions creates default value for vips_heifsave optional arguments

type HeifsaveTargetOptions ¶ added in v1.1.0

type HeifsaveTargetOptions struct {
	// Q Q factor
	Q int
	// Bitdepth Number of bits per pixel
	Bitdepth int
	// Lossless Enable lossless compression
	Lossless bool
	// Compression Compression format
	Compression HeifCompression
	// Effort CPU effort
	Effort int
	// SubsampleMode Select chroma subsample operation mode
	SubsampleMode Subsample
	// Encoder Select encoder to use
	Encoder HeifEncoder
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

HeifsaveTargetOptions optional arguments for vips_heifsave_target

func DefaultHeifsaveTargetOptions ¶ added in v1.1.0

func DefaultHeifsaveTargetOptions() *HeifsaveTargetOptions

DefaultHeifsaveTargetOptions creates default value for vips_heifsave_target optional arguments

type HistEqualOptions ¶

type HistEqualOptions struct {
	// Band Equalise with this band
	Band int
}

HistEqualOptions optional arguments for vips_hist_equal

func DefaultHistEqualOptions ¶

func DefaultHistEqualOptions() *HistEqualOptions

DefaultHistEqualOptions creates default value for vips_hist_equal optional arguments

type HistFindIndexedOptions ¶

type HistFindIndexedOptions struct {
	// Combine Combine bins like this
	Combine Combine
}

HistFindIndexedOptions optional arguments for vips_hist_find_indexed

func DefaultHistFindIndexedOptions ¶

func DefaultHistFindIndexedOptions() *HistFindIndexedOptions

DefaultHistFindIndexedOptions creates default value for vips_hist_find_indexed optional arguments

type HistFindNdimOptions ¶

type HistFindNdimOptions struct {
	// Bins Number of bins in each dimension
	Bins int
}

HistFindNdimOptions optional arguments for vips_hist_find_ndim

func DefaultHistFindNdimOptions ¶

func DefaultHistFindNdimOptions() *HistFindNdimOptions

DefaultHistFindNdimOptions creates default value for vips_hist_find_ndim optional arguments

type HistFindOptions ¶

type HistFindOptions struct {
	// Band Find histogram of band
	Band int
}

HistFindOptions optional arguments for vips_hist_find

func DefaultHistFindOptions ¶

func DefaultHistFindOptions() *HistFindOptions

DefaultHistFindOptions creates default value for vips_hist_find optional arguments

type HistLocalOptions ¶

type HistLocalOptions struct {
	// MaxSlope Maximum slope (CLAHE)
	MaxSlope int
}

HistLocalOptions optional arguments for vips_hist_local

func DefaultHistLocalOptions ¶

func DefaultHistLocalOptions() *HistLocalOptions

DefaultHistLocalOptions creates default value for vips_hist_local optional arguments

type HoughCircleOptions ¶

type HoughCircleOptions struct {
	// Scale Scale down dimensions by this factor
	Scale int
	// MinRadius Smallest radius to search for
	MinRadius int
	// MaxRadius Largest radius to search for
	MaxRadius int
}

HoughCircleOptions optional arguments for vips_hough_circle

func DefaultHoughCircleOptions ¶

func DefaultHoughCircleOptions() *HoughCircleOptions

DefaultHoughCircleOptions creates default value for vips_hough_circle optional arguments

type HoughLineOptions ¶

type HoughLineOptions struct {
	// Width Horizontal size of parameter space
	Width int
	// Height Vertical size of parameter space
	Height int
}

HoughLineOptions optional arguments for vips_hough_line

func DefaultHoughLineOptions ¶

func DefaultHoughLineOptions() *HoughLineOptions

DefaultHoughLineOptions creates default value for vips_hough_line optional arguments

type IccExportOptions ¶

type IccExportOptions struct {
	// Pcs Set Profile Connection Space
	Pcs PCS
	// Intent Rendering intent
	Intent Intent
	// BlackPointCompensation Enable black point compensation
	BlackPointCompensation bool
	// OutputProfile Filename to load output profile from
	OutputProfile string
	// Depth Output device space depth in bits
	Depth int
}

IccExportOptions optional arguments for vips_icc_export

func DefaultIccExportOptions ¶

func DefaultIccExportOptions() *IccExportOptions

DefaultIccExportOptions creates default value for vips_icc_export optional arguments

type IccImportOptions ¶

type IccImportOptions struct {
	// Pcs Set Profile Connection Space
	Pcs PCS
	// Intent Rendering intent
	Intent Intent
	// BlackPointCompensation Enable black point compensation
	BlackPointCompensation bool
	// Embedded Use embedded input profile, if available
	Embedded bool
	// InputProfile Filename to load input profile from
	InputProfile string
}

IccImportOptions optional arguments for vips_icc_import

func DefaultIccImportOptions ¶

func DefaultIccImportOptions() *IccImportOptions

DefaultIccImportOptions creates default value for vips_icc_import optional arguments

type IccTransformOptions ¶

type IccTransformOptions struct {
	// Pcs Set Profile Connection Space
	Pcs PCS
	// Intent Rendering intent
	Intent Intent
	// BlackPointCompensation Enable black point compensation
	BlackPointCompensation bool
	// Embedded Use embedded input profile, if available
	Embedded bool
	// InputProfile Filename to load input profile from
	InputProfile string
	// Depth Output device space depth in bits
	Depth int
}

IccTransformOptions optional arguments for vips_icc_transform

func DefaultIccTransformOptions ¶

func DefaultIccTransformOptions() *IccTransformOptions

DefaultIccTransformOptions creates default value for vips_icc_transform optional arguments

type IdentityOptions ¶

type IdentityOptions struct {
	// Bands Number of bands in LUT
	Bands int
	// Ushort Create a 16-bit LUT
	Ushort bool
	// Size Size of 16-bit LUT
	Size int
}

IdentityOptions optional arguments for vips_identity

func DefaultIdentityOptions ¶

func DefaultIdentityOptions() *IdentityOptions

DefaultIdentityOptions creates default value for vips_identity optional arguments

type IfthenelseOptions ¶

type IfthenelseOptions struct {
	// Blend Blend smoothly between then and else parts
	Blend bool
}

IfthenelseOptions optional arguments for vips_ifthenelse

func DefaultIfthenelseOptions ¶

func DefaultIfthenelseOptions() *IfthenelseOptions

DefaultIfthenelseOptions creates default value for vips_ifthenelse optional arguments

type Image ¶

type Image struct {
	// contains filtered or unexported fields
}

Image contains a libvips image and manages its lifecycle.

func NewAnalyzeload ¶

func NewAnalyzeload(filename string, options *AnalyzeloadOptions) (*Image, error)

NewAnalyzeload vips_analyzeload load an Analyze6 image

The filename specifies filename to load from.

func NewArrayjoin ¶

func NewArrayjoin(in []*Image, options *ArrayjoinOptions) (*Image, error)

NewArrayjoin vips_arrayjoin join an array of images

The in specifies array of input images.

func NewBandjoin ¶

func NewBandjoin(in []*Image) (*Image, error)

NewBandjoin vips_bandjoin bandwise join a set of images

The in specifies array of input images.

func NewBandrank ¶

func NewBandrank(in []*Image, options *BandrankOptions) (*Image, error)

NewBandrank vips_bandrank band-wise rank of a set of images

The in specifies array of input images.

func NewBlack ¶

func NewBlack(width int, height int, options *BlackOptions) (*Image, error)

NewBlack vips_black make a black image

The width specifies image width in pixels. The height specifies image height in pixels.

func NewComposite ¶

func NewComposite(in []*Image, mode []BlendMode, options *CompositeOptions) (*Image, error)

NewComposite vips_composite blend an array of images with an array of blend modes

The in specifies array of input images. The mode specifies array of VipsBlendMode to join with.

func NewCsvload ¶

func NewCsvload(filename string, options *CsvloadOptions) (*Image, error)

NewCsvload vips_csvload load csv

The filename specifies filename to load from.

func NewCsvloadSource ¶

func NewCsvloadSource(source *Source, options *CsvloadSourceOptions) (*Image, error)

NewCsvloadSource vips_csvload_source load csv

The source specifies source to load from.

func NewEye ¶

func NewEye(width int, height int, options *EyeOptions) (*Image, error)

NewEye vips_eye make an image showing the eye's spatial response

The width specifies image width in pixels. The height specifies image height in pixels.

func NewFitsload ¶

func NewFitsload(filename string, options *FitsloadOptions) (*Image, error)

NewFitsload vips_fitsload load a FITS image

The filename specifies filename to load from.

func NewFractsurf ¶

func NewFractsurf(width int, height int, fractalDimension float64) (*Image, error)

NewFractsurf vips_fractsurf make a fractal surface

The width specifies image width in pixels. The height specifies image height in pixels. The fractalDimension specifies fractal dimension.

func NewGaussmat ¶

func NewGaussmat(sigma float64, minAmpl float64, options *GaussmatOptions) (*Image, error)

NewGaussmat vips_gaussmat make a gaussian image

The sigma specifies sigma of Gaussian. The minAmpl specifies minimum amplitude of Gaussian.

func NewGaussnoise ¶

func NewGaussnoise(width int, height int, options *GaussnoiseOptions) (*Image, error)

NewGaussnoise vips_gaussnoise make a gaussnoise image

The width specifies image width in pixels. The height specifies image height in pixels.

func NewGifload ¶

func NewGifload(filename string, options *GifloadOptions) (*Image, error)

NewGifload vips_gifload load GIF with libnsgif

The filename specifies filename to load from.

func NewGifloadBuffer ¶

func NewGifloadBuffer(buf []byte, options *GifloadBufferOptions) (*Image, error)

NewGifloadBuffer vips_gifload_buffer load GIF with libnsgif

func NewGifloadSource ¶

func NewGifloadSource(source *Source, options *GifloadSourceOptions) (*Image, error)

NewGifloadSource vips_gifload_source load gif from source

The source specifies source to load from.

func NewGrey ¶

func NewGrey(width int, height int, options *GreyOptions) (*Image, error)

NewGrey vips_grey make a grey ramp image

The width specifies image width in pixels. The height specifies image height in pixels.

func NewHeifload ¶

func NewHeifload(filename string, options *HeifloadOptions) (*Image, error)

NewHeifload vips_heifload load a HEIF image

The filename specifies filename to load from.

func NewHeifloadBuffer ¶

func NewHeifloadBuffer(buf []byte, options *HeifloadBufferOptions) (*Image, error)

NewHeifloadBuffer vips_heifload_buffer load a HEIF image

func NewHeifloadSource ¶

func NewHeifloadSource(source *Source, options *HeifloadSourceOptions) (*Image, error)

NewHeifloadSource vips_heifload_source load a HEIF image

The source specifies source to load from.

func NewIdentity ¶

func NewIdentity(options *IdentityOptions) (*Image, error)

NewIdentity vips_identity make a 1D image where pixel values are indexes

func NewImageFromBuffer ¶

func NewImageFromBuffer(buf []byte, options *LoadOptions) (*Image, error)

NewImageFromBuffer vips_image_new_from_buffer loads an image buffer and creates a new Image

func NewImageFromFile ¶

func NewImageFromFile(file string, options *LoadOptions) (*Image, error)

NewImageFromFile vips_image_new_from_file loads an image from file and creates a new Image

func NewImageFromMemory ¶

func NewImageFromMemory(buf []byte, width, height, bands int) (*Image, error)

NewImageFromMemory vips_image_new_from_memory loads a raw RGB/RGBA image buffer and creates a new Image

func NewImageFromSource ¶

func NewImageFromSource(s *Source, options *LoadOptions) (*Image, error)

NewImageFromSource vips_image_new_from_source loads a Source and creates a new Image

func NewJp2kload ¶

func NewJp2kload(filename string, options *Jp2kloadOptions) (*Image, error)

NewJp2kload vips_jp2kload load JPEG2000 image

The filename specifies filename to load from.

func NewJp2kloadBuffer ¶

func NewJp2kloadBuffer(buf []byte, options *Jp2kloadBufferOptions) (*Image, error)

NewJp2kloadBuffer vips_jp2kload_buffer load JPEG2000 image

func NewJp2kloadSource ¶

func NewJp2kloadSource(source *Source, options *Jp2kloadSourceOptions) (*Image, error)

NewJp2kloadSource vips_jp2kload_source load JPEG2000 image

The source specifies source to load from.

func NewJpegload ¶

func NewJpegload(filename string, options *JpegloadOptions) (*Image, error)

NewJpegload vips_jpegload load jpeg from file

The filename specifies filename to load from.

func NewJpegloadBuffer ¶

func NewJpegloadBuffer(buf []byte, options *JpegloadBufferOptions) (*Image, error)

NewJpegloadBuffer vips_jpegload_buffer load jpeg from buffer

func NewJpegloadSource ¶

func NewJpegloadSource(source *Source, options *JpegloadSourceOptions) (*Image, error)

NewJpegloadSource vips_jpegload_source load image from jpeg source

The source specifies source to load from.

func NewJxlload ¶ added in v0.2.0

func NewJxlload(filename string, options *JxlloadOptions) (*Image, error)

NewJxlload vips_jxlload load JPEG-XL image

The filename specifies filename to load from.

func NewJxlloadBuffer ¶ added in v0.2.0

func NewJxlloadBuffer(buf []byte, options *JxlloadBufferOptions) (*Image, error)

NewJxlloadBuffer vips_jxlload_buffer load JPEG-XL image

func NewJxlloadSource ¶ added in v0.2.0

func NewJxlloadSource(source *Source, options *JxlloadSourceOptions) (*Image, error)

NewJxlloadSource vips_jxlload_source load JPEG-XL image

The source specifies source to load from.

func NewLogmat ¶

func NewLogmat(sigma float64, minAmpl float64, options *LogmatOptions) (*Image, error)

NewLogmat vips_logmat make a Laplacian of Gaussian image

The sigma specifies radius of Gaussian. The minAmpl specifies minimum amplitude of Gaussian.

func NewMagickload ¶

func NewMagickload(filename string, options *MagickloadOptions) (*Image, error)

NewMagickload vips_magickload load file with ImageMagick

The filename specifies filename to load from.

func NewMagickloadBuffer ¶

func NewMagickloadBuffer(buf []byte, options *MagickloadBufferOptions) (*Image, error)

NewMagickloadBuffer vips_magickload_buffer load buffer with ImageMagick

func NewMaskButterworth ¶

func NewMaskButterworth(width int, height int, order float64, frequencyCutoff float64, amplitudeCutoff float64, options *MaskButterworthOptions) (*Image, error)

NewMaskButterworth vips_mask_butterworth make a butterworth filter

The width specifies image width in pixels. The height specifies image height in pixels. The order specifies filter order. The frequencyCutoff specifies frequency cutoff. The amplitudeCutoff specifies amplitude cutoff.

func NewMaskButterworthBand ¶

func NewMaskButterworthBand(width int, height int, order float64, frequencyCutoffX float64, frequencyCutoffY float64, radius float64, amplitudeCutoff float64, options *MaskButterworthBandOptions) (*Image, error)

NewMaskButterworthBand vips_mask_butterworth_band make a butterworth_band filter

The width specifies image width in pixels. The height specifies image height in pixels. The order specifies filter order. The frequencyCutoffX specifies frequency cutoff x. The frequencyCutoffY specifies frequency cutoff y. The radius specifies radius of circle. The amplitudeCutoff specifies amplitude cutoff.

func NewMaskButterworthRing ¶

func NewMaskButterworthRing(width int, height int, order float64, frequencyCutoff float64, amplitudeCutoff float64, ringwidth float64, options *MaskButterworthRingOptions) (*Image, error)

NewMaskButterworthRing vips_mask_butterworth_ring make a butterworth ring filter

The width specifies image width in pixels. The height specifies image height in pixels. The order specifies filter order. The frequencyCutoff specifies frequency cutoff. The amplitudeCutoff specifies amplitude cutoff. The ringwidth specifies ringwidth.

func NewMaskFractal ¶

func NewMaskFractal(width int, height int, fractalDimension float64, options *MaskFractalOptions) (*Image, error)

NewMaskFractal vips_mask_fractal make fractal filter

The width specifies image width in pixels. The height specifies image height in pixels. The fractalDimension specifies fractal dimension.

func NewMaskGaussian ¶

func NewMaskGaussian(width int, height int, frequencyCutoff float64, amplitudeCutoff float64, options *MaskGaussianOptions) (*Image, error)

NewMaskGaussian vips_mask_gaussian make a gaussian filter

The width specifies image width in pixels. The height specifies image height in pixels. The frequencyCutoff specifies frequency cutoff. The amplitudeCutoff specifies amplitude cutoff.

func NewMaskGaussianBand ¶

func NewMaskGaussianBand(width int, height int, frequencyCutoffX float64, frequencyCutoffY float64, radius float64, amplitudeCutoff float64, options *MaskGaussianBandOptions) (*Image, error)

NewMaskGaussianBand vips_mask_gaussian_band make a gaussian filter

The width specifies image width in pixels. The height specifies image height in pixels. The frequencyCutoffX specifies frequency cutoff x. The frequencyCutoffY specifies frequency cutoff y. The radius specifies radius of circle. The amplitudeCutoff specifies amplitude cutoff.

func NewMaskGaussianRing ¶

func NewMaskGaussianRing(width int, height int, frequencyCutoff float64, amplitudeCutoff float64, ringwidth float64, options *MaskGaussianRingOptions) (*Image, error)

NewMaskGaussianRing vips_mask_gaussian_ring make a gaussian ring filter

The width specifies image width in pixels. The height specifies image height in pixels. The frequencyCutoff specifies frequency cutoff. The amplitudeCutoff specifies amplitude cutoff. The ringwidth specifies ringwidth.

func NewMaskIdeal ¶

func NewMaskIdeal(width int, height int, frequencyCutoff float64, options *MaskIdealOptions) (*Image, error)

NewMaskIdeal vips_mask_ideal make an ideal filter

The width specifies image width in pixels. The height specifies image height in pixels. The frequencyCutoff specifies frequency cutoff.

func NewMaskIdealBand ¶

func NewMaskIdealBand(width int, height int, frequencyCutoffX float64, frequencyCutoffY float64, radius float64, options *MaskIdealBandOptions) (*Image, error)

NewMaskIdealBand vips_mask_ideal_band make an ideal band filter

The width specifies image width in pixels. The height specifies image height in pixels. The frequencyCutoffX specifies frequency cutoff x. The frequencyCutoffY specifies frequency cutoff y. The radius specifies radius of circle.

func NewMaskIdealRing ¶

func NewMaskIdealRing(width int, height int, frequencyCutoff float64, ringwidth float64, options *MaskIdealRingOptions) (*Image, error)

NewMaskIdealRing vips_mask_ideal_ring make an ideal ring filter

The width specifies image width in pixels. The height specifies image height in pixels. The frequencyCutoff specifies frequency cutoff. The ringwidth specifies ringwidth.

func NewMatload ¶ added in v0.0.5

func NewMatload(filename string, options *MatloadOptions) (*Image, error)

NewMatload vips_matload load mat from file

The filename specifies filename to load from.

func NewMatrixload ¶

func NewMatrixload(filename string, options *MatrixloadOptions) (*Image, error)

NewMatrixload vips_matrixload load matrix

The filename specifies filename to load from.

func NewMatrixloadSource ¶

func NewMatrixloadSource(source *Source, options *MatrixloadSourceOptions) (*Image, error)

NewMatrixloadSource vips_matrixload_source load matrix

The source specifies source to load from.

func NewNiftiload ¶ added in v0.2.0

func NewNiftiload(filename string, options *NiftiloadOptions) (*Image, error)

NewNiftiload vips_niftiload load NIfTI volume

The filename specifies filename to load from.

func NewNiftiloadSource ¶ added in v0.2.0

func NewNiftiloadSource(source *Source, options *NiftiloadSourceOptions) (*Image, error)

NewNiftiloadSource vips_niftiload_source load NIfTI volumes

The source specifies source to load from.

func NewOpenexrload ¶

func NewOpenexrload(filename string, options *OpenexrloadOptions) (*Image, error)

NewOpenexrload vips_openexrload load an OpenEXR image

The filename specifies filename to load from.

func NewOpenslideload ¶

func NewOpenslideload(filename string, options *OpenslideloadOptions) (*Image, error)

NewOpenslideload vips_openslideload load file with OpenSlide

The filename specifies filename to load from.

func NewOpenslideloadSource ¶

func NewOpenslideloadSource(source *Source, options *OpenslideloadSourceOptions) (*Image, error)

NewOpenslideloadSource vips_openslideload_source load source with OpenSlide

The source specifies source to load from.

func NewPdfload ¶

func NewPdfload(filename string, options *PdfloadOptions) (*Image, error)

NewPdfload vips_pdfload load PDF from file

The filename specifies filename to load from.

func NewPdfloadBuffer ¶

func NewPdfloadBuffer(buf []byte, options *PdfloadBufferOptions) (*Image, error)

NewPdfloadBuffer vips_pdfload_buffer load PDF from buffer

func NewPdfloadSource ¶

func NewPdfloadSource(source *Source, options *PdfloadSourceOptions) (*Image, error)

NewPdfloadSource vips_pdfload_source load PDF from source

The source specifies source to load from.

func NewPerlin ¶

func NewPerlin(width int, height int, options *PerlinOptions) (*Image, error)

NewPerlin vips_perlin make a perlin noise image

The width specifies image width in pixels. The height specifies image height in pixels.

func NewPngload ¶

func NewPngload(filename string, options *PngloadOptions) (*Image, error)

NewPngload vips_pngload load png from file

The filename specifies filename to load from.

func NewPngloadBuffer ¶

func NewPngloadBuffer(buf []byte, options *PngloadBufferOptions) (*Image, error)

NewPngloadBuffer vips_pngload_buffer load png from buffer

func NewPngloadSource ¶

func NewPngloadSource(source *Source, options *PngloadSourceOptions) (*Image, error)

NewPngloadSource vips_pngload_source load png from source

The source specifies source to load from.

func NewPpmload ¶

func NewPpmload(filename string, options *PpmloadOptions) (*Image, error)

NewPpmload vips_ppmload load ppm from file

The filename specifies filename to load from.

func NewPpmloadBuffer ¶ added in v1.1.1

func NewPpmloadBuffer(buf []byte, options *PpmloadBufferOptions) (*Image, error)

NewPpmloadBuffer vips_ppmload_buffer load ppm from buffer

func NewPpmloadSource ¶

func NewPpmloadSource(source *Source, options *PpmloadSourceOptions) (*Image, error)

NewPpmloadSource vips_ppmload_source load ppm from source

The source specifies source to load from.

func NewRadload ¶

func NewRadload(filename string, options *RadloadOptions) (*Image, error)

NewRadload vips_radload load a Radiance image from a file

The filename specifies filename to load from.

func NewRadloadBuffer ¶

func NewRadloadBuffer(buf []byte, options *RadloadBufferOptions) (*Image, error)

NewRadloadBuffer vips_radload_buffer load rad from buffer

func NewRadloadSource ¶

func NewRadloadSource(source *Source, options *RadloadSourceOptions) (*Image, error)

NewRadloadSource vips_radload_source load rad from source

The source specifies source to load from.

func NewRawload ¶

func NewRawload(filename string, width int, height int, bands int, options *RawloadOptions) (*Image, error)

NewRawload vips_rawload load raw data from a file

The filename specifies filename to load from. The width specifies image width in pixels. The height specifies image height in pixels. The bands specifies number of bands in image.

func NewSdf ¶

func NewSdf(width int, height int, shape SdfShape, options *SdfOptions) (*Image, error)

NewSdf vips_sdf create an SDF image

The width specifies image width in pixels. The height specifies image height in pixels. The shape specifies sDF shape to create.

func NewSines ¶

func NewSines(width int, height int, options *SinesOptions) (*Image, error)

NewSines vips_sines make a 2D sine wave

The width specifies image width in pixels. The height specifies image height in pixels.

func NewSum ¶

func NewSum(in []*Image) (*Image, error)

NewSum vips_sum sum an array of images

The in specifies array of input images.

func NewSvgload ¶

func NewSvgload(filename string, options *SvgloadOptions) (*Image, error)

NewSvgload vips_svgload load SVG with rsvg

The filename specifies filename to load from.

func NewSvgloadBuffer ¶

func NewSvgloadBuffer(buf []byte, options *SvgloadBufferOptions) (*Image, error)

NewSvgloadBuffer vips_svgload_buffer load SVG with rsvg

func NewSvgloadSource ¶

func NewSvgloadSource(source *Source, options *SvgloadSourceOptions) (*Image, error)

NewSvgloadSource vips_svgload_source load svg from source

The source specifies source to load from.

func NewSwitch ¶

func NewSwitch(tests []*Image) (*Image, error)

NewSwitch vips_switch find the index of the first non-zero pixel in tests

The tests specifies table of images to test.

func NewSystem ¶

func NewSystem(cmdFormat string, options *SystemOptions) (*Image, error)

NewSystem vips_system run an external command

The cmdFormat specifies command to run.

func NewText ¶

func NewText(text string, options *TextOptions) (*Image, error)

NewText vips_text make a text image

The text specifies text to render.

func NewThumbnail ¶

func NewThumbnail(filename string, width int, options *ThumbnailOptions) (*Image, error)

NewThumbnail vips_thumbnail generate thumbnail from file

The filename specifies filename to read from. The width specifies size to this width.

func NewThumbnailBuffer ¶

func NewThumbnailBuffer(buf []byte, width int, options *ThumbnailBufferOptions) (*Image, error)

NewThumbnailBuffer vips_thumbnail_buffer generate thumbnail from buffer

The width specifies size to this width.

func NewThumbnailSource ¶

func NewThumbnailSource(source *Source, width int, options *ThumbnailSourceOptions) (*Image, error)

NewThumbnailSource vips_thumbnail_source generate thumbnail from source

The source specifies source to load from. The width specifies size to this width.

func NewTiffload ¶

func NewTiffload(filename string, options *TiffloadOptions) (*Image, error)

NewTiffload vips_tiffload load tiff from file

The filename specifies filename to load from.

func NewTiffloadBuffer ¶

func NewTiffloadBuffer(buf []byte, options *TiffloadBufferOptions) (*Image, error)

NewTiffloadBuffer vips_tiffload_buffer load tiff from buffer

func NewTiffloadSource ¶

func NewTiffloadSource(source *Source, options *TiffloadSourceOptions) (*Image, error)

NewTiffloadSource vips_tiffload_source load tiff from source

The source specifies source to load from.

func NewTonelut ¶

func NewTonelut(options *TonelutOptions) (*Image, error)

NewTonelut vips_tonelut build a look-up table

func NewVipsload ¶

func NewVipsload(filename string, options *VipsloadOptions) (*Image, error)

NewVipsload vips_vipsload load vips from file

The filename specifies filename to load from.

func NewVipsloadSource ¶

func NewVipsloadSource(source *Source, options *VipsloadSourceOptions) (*Image, error)

NewVipsloadSource vips_vipsload_source load vips from source

The source specifies source to load from.

func NewWebpload ¶

func NewWebpload(filename string, options *WebploadOptions) (*Image, error)

NewWebpload vips_webpload load webp from file

The filename specifies filename to load from.

func NewWebploadBuffer ¶

func NewWebploadBuffer(buf []byte, options *WebploadBufferOptions) (*Image, error)

NewWebploadBuffer vips_webpload_buffer load webp from buffer

func NewWebploadSource ¶

func NewWebploadSource(source *Source, options *WebploadSourceOptions) (*Image, error)

NewWebploadSource vips_webpload_source load webp from source

The source specifies source to load from.

func NewWorley ¶

func NewWorley(width int, height int, options *WorleyOptions) (*Image, error)

NewWorley vips_worley make a worley noise image

The width specifies image width in pixels. The height specifies image height in pixels.

func NewXyz ¶

func NewXyz(width int, height int, options *XyzOptions) (*Image, error)

NewXyz vips_xyz make an image where pixel values are coordinates

The width specifies image width in pixels. The height specifies image height in pixels.

func NewZone ¶

func NewZone(width int, height int, options *ZoneOptions) (*Image, error)

NewZone vips_zone make a zone plate

The width specifies image width in pixels. The height specifies image height in pixels.

func (*Image) Abs ¶

func (r *Image) Abs() error

Abs vips_abs absolute value of an image

func (*Image) Add ¶

func (r *Image) Add(right *Image) error

Add vips_add add two images

The right specifies right-hand image argument.

func (*Image) Addalpha ¶

func (r *Image) Addalpha() error

Addalpha vips_addalpha append an alpha channel

func (*Image) Affine ¶

func (r *Image) Affine(a float64, b float64, c float64, d float64, options *AffineOptions) error

Affine vips_affine affine transform of an image

The a specifies coefficient a (horizontal scale). The b specifies coefficient b (horizontal shear). The c specifies coefficient c (vertical shear). The d specifies coefficient d (vertical scale).

func (*Image) Autorot ¶

func (r *Image) Autorot() error

Autorot vips_autorot autorotate image by exif tag

func (*Image) Avg ¶

func (r *Image) Avg() (float64, error)

Avg vips_avg find image average

func (*Image) Background ¶ added in v0.6.0

func (r *Image) Background() ([]float64, error)

Background get the background of image.

func (*Image) BandFormat ¶ added in v0.6.0

func (r *Image) BandFormat() BandFormat

BandFormat returns the current band format

func (*Image) Bandbool ¶

func (r *Image) Bandbool(boolean OperationBoolean) error

Bandbool vips_bandbool boolean operation across image bands

The boolean specifies boolean to perform.

func (*Image) Bandfold ¶

func (r *Image) Bandfold(options *BandfoldOptions) error

Bandfold vips_bandfold fold up x axis into bands

func (*Image) BandjoinConst ¶

func (r *Image) BandjoinConst(c []float64) error

BandjoinConst vips_bandjoin_const append a constant band to an image

The c specifies array of constants to add.

func (*Image) Bandmean ¶

func (r *Image) Bandmean() error

Bandmean vips_bandmean band-wise average

func (*Image) Bands ¶

func (r *Image) Bands() int

Bands returns the number of bands for this image.

func (*Image) Bandunfold ¶

func (r *Image) Bandunfold(options *BandunfoldOptions) error

Bandunfold vips_bandunfold unfold image bands into x axis

func (*Image) Boolean ¶

func (r *Image) Boolean(right *Image, boolean OperationBoolean) error

Boolean vips_boolean boolean operation on two images

The right specifies right-hand image argument. The boolean specifies boolean to perform.

func (*Image) BooleanConst ¶

func (r *Image) BooleanConst(boolean OperationBoolean, c []float64) error

BooleanConst vips_boolean_const boolean operations against a constant

The boolean specifies boolean to perform. The c specifies array of constants.

func (*Image) Buildlut ¶

func (r *Image) Buildlut() error

Buildlut vips_buildlut build a look-up table

func (*Image) Byteswap ¶

func (r *Image) Byteswap() error

Byteswap vips_byteswap byteswap an image

func (*Image) CMC2LCh ¶

func (r *Image) CMC2LCh() error

CMC2LCh vips_CMC2LCh transform LCh to CMC

func (*Image) CMYK2XYZ ¶

func (r *Image) CMYK2XYZ() error

CMYK2XYZ vips_CMYK2XYZ transform CMYK to XYZ

func (*Image) Canny ¶

func (r *Image) Canny(options *CannyOptions) error

Canny vips_canny Canny edge detector

func (*Image) Case ¶

func (r *Image) Case(cases []*Image) error

Case vips_case use pixel values to pick cases from an array of images

The cases specifies array of case images.

func (*Image) Cast ¶

func (r *Image) Cast(format BandFormat, options *CastOptions) error

Cast vips_cast cast an image

The format specifies format to cast to.

func (*Image) Clamp ¶

func (r *Image) Clamp(options *ClampOptions) error

Clamp vips_clamp clamp values of an image

func (*Image) Close ¶

func (r *Image) Close()

Close closes the image and frees the memory

func (*Image) Coding ¶ added in v0.6.0

func (r *Image) Coding() Coding

Coding returns the image coding

func (*Image) Colourspace ¶

func (r *Image) Colourspace(space Interpretation, options *ColourspaceOptions) error

Colourspace vips_colourspace convert to a new colorspace

The space specifies destination color space.

func (*Image) Compass ¶

func (r *Image) Compass(mask *Image, options *CompassOptions) error

Compass vips_compass convolve with rotating mask

The mask specifies input matrix image.

func (*Image) Complex ¶

func (r *Image) Complex(cmplx OperationComplex) error

Complex vips_complex perform a complex operation on an image

The cmplx specifies complex to perform.

func (*Image) Complex2 ¶

func (r *Image) Complex2(right *Image, cmplx OperationComplex2) error

Complex2 vips_complex2 complex binary operations on two images

The right specifies right-hand image argument. The cmplx specifies binary complex operation to perform.

func (*Image) Complexform ¶

func (r *Image) Complexform(right *Image) error

Complexform vips_complexform form a complex image from two real images

The right specifies right-hand image argument.

func (*Image) Complexget ¶

func (r *Image) Complexget(get OperationComplexget) error

Complexget vips_complexget get a component from a complex image

The get specifies complex to perform.

func (*Image) Composite2 ¶

func (r *Image) Composite2(overlay *Image, mode BlendMode, options *Composite2Options) error

Composite2 vips_composite2 blend a pair of images with a blend mode

The overlay specifies overlay image. The mode specifies vipsBlendMode to join with.

func (*Image) Conv ¶

func (r *Image) Conv(mask *Image, options *ConvOptions) error

Conv vips_conv convolution operation

The mask specifies input matrix image.

func (*Image) Conva ¶

func (r *Image) Conva(mask *Image, options *ConvaOptions) error

Conva vips_conva approximate integer convolution

The mask specifies input matrix image.

func (*Image) Convasep ¶

func (r *Image) Convasep(mask *Image, options *ConvasepOptions) error

Convasep vips_convasep approximate separable integer convolution

The mask specifies input matrix image.

func (*Image) Convf ¶

func (r *Image) Convf(mask *Image) error

Convf vips_convf float convolution operation

The mask specifies input matrix image.

func (*Image) Convi ¶

func (r *Image) Convi(mask *Image) error

Convi vips_convi int convolution operation

The mask specifies input matrix image.

func (*Image) Convsep ¶

func (r *Image) Convsep(mask *Image, options *ConvsepOptions) error

Convsep vips_convsep separable convolution operation

The mask specifies input matrix image.

func (*Image) Copy ¶

func (r *Image) Copy(options *CopyOptions) (*Image, error)

Copy vips_copy copy an image

func (*Image) Countlines ¶

func (r *Image) Countlines(direction Direction) (float64, error)

Countlines vips_countlines count lines in an image

The direction specifies countlines left-right or up-down.

func (*Image) Csvsave ¶

func (r *Image) Csvsave(filename string, options *CsvsaveOptions) error

Csvsave vips_csvsave save image to csv

The filename specifies filename to save to.

func (*Image) CsvsaveTarget ¶ added in v1.1.0

func (r *Image) CsvsaveTarget(target *Target, options *CsvsaveTargetOptions) error

CsvsaveTarget vips_csvsave_target save image to csv

The target specifies target to save to.

func (*Image) DE00 ¶

func (r *Image) DE00(right *Image) error

DE00 vips_dE00 calculate dE00

The right specifies right-hand input image.

func (*Image) DE76 ¶

func (r *Image) DE76(right *Image) error

DE76 vips_dE76 calculate dE76

The right specifies right-hand input image.

func (*Image) DECMC ¶

func (r *Image) DECMC(right *Image) error

DECMC vips_dECMC calculate dECMC

The right specifies right-hand input image.

func (*Image) Deviate ¶

func (r *Image) Deviate() (float64, error)

Deviate vips_deviate find image standard deviation

func (*Image) Divide ¶

func (r *Image) Divide(right *Image) error

Divide vips_divide divide two images

The right specifies right-hand image argument.

func (*Image) DrawCircle ¶

func (r *Image) DrawCircle(ink []float64, cx int, cy int, radius int, options *DrawCircleOptions) error

DrawCircle vips_draw_circle draw a circle on an image

The ink specifies color for pixels. The cx specifies centre of draw_circle. The cy specifies centre of draw_circle. The radius specifies radius in pixels.

func (*Image) DrawFlood ¶

func (r *Image) DrawFlood(ink []float64, x int, y int, options *DrawFloodOptions) error

DrawFlood vips_draw_flood flood-fill an area

The ink specifies color for pixels. The x specifies drawFlood start point. The y specifies drawFlood start point.

func (*Image) DrawImage ¶

func (r *Image) DrawImage(sub *Image, x int, y int, options *DrawImageOptions) error

DrawImage vips_draw_image paint an image into another image

The sub specifies sub-image to insert into main image. The x specifies draw image here. The y specifies draw image here.

func (*Image) DrawLine ¶

func (r *Image) DrawLine(ink []float64, x1 int, y1 int, x2 int, y2 int) error

DrawLine vips_draw_line draw a line on an image

The ink specifies color for pixels. The x1 specifies start of draw_line. The y1 specifies start of draw_line. The x2 specifies end of draw_line. The y2 specifies end of draw_line.

func (*Image) DrawMask ¶

func (r *Image) DrawMask(ink []float64, mask *Image, x int, y int) error

DrawMask vips_draw_mask draw a mask on an image

The ink specifies color for pixels. The mask specifies mask of pixels to draw. The x specifies draw mask here. The y specifies draw mask here.

func (*Image) DrawRect ¶

func (r *Image) DrawRect(ink []float64, left int, top int, width int, height int, options *DrawRectOptions) error

DrawRect vips_draw_rect paint a rectangle on an image

The ink specifies color for pixels. The left specifies rect to fill. The top specifies rect to fill. The width specifies rect to fill. The height specifies rect to fill.

func (*Image) DrawSmudge ¶

func (r *Image) DrawSmudge(left int, top int, width int, height int) error

DrawSmudge vips_draw_smudge blur a rectangle on an image

The left specifies rect to fill. The top specifies rect to fill. The width specifies rect to fill. The height specifies rect to fill.

func (*Image) Dzsave ¶ added in v0.2.0

func (r *Image) Dzsave(filename string, options *DzsaveOptions) error

Dzsave vips_dzsave save image to deepzoom file

The filename specifies filename to save to.

func (*Image) DzsaveBuffer ¶ added in v0.2.0

func (r *Image) DzsaveBuffer(options *DzsaveBufferOptions) ([]byte, error)

DzsaveBuffer vips_dzsave_buffer save image to dz buffer

func (*Image) DzsaveTarget ¶ added in v1.1.0

func (r *Image) DzsaveTarget(target *Target, options *DzsaveTargetOptions) error

DzsaveTarget vips_dzsave_target save image to deepzoom target

The target specifies target to save to.

func (*Image) Embed ¶

func (r *Image) Embed(x int, y int, width int, height int, options *EmbedOptions) error

Embed vips_embed embed an image in a larger image

The x specifies left edge of input in output. The y specifies top edge of input in output. The width specifies image width in pixels. The height specifies image height in pixels.

func (*Image) EmbedMultiPage ¶

func (r *Image) EmbedMultiPage(left, top, width, height int, options *EmbedMultiPageOptions) error

EmbedMultiPage embeds the image in a larger image with the specified dimensions When the image has multiple pages (e.g. animated GIF), this embeds each frame

func (*Image) Exif ¶

func (r *Image) Exif() map[string]string

Exif extracts all EXIF metadata from the image and returns it as a map of field names to string values

func (*Image) ExtractArea ¶

func (r *Image) ExtractArea(left int, top int, width int, height int) error

ExtractArea vips_extract_area extract an area from an image

The left specifies left edge of extract area. The top specifies top edge of extract area. The width specifies width of extract area. The height specifies height of extract area.

func (*Image) ExtractAreaMultiPage ¶

func (r *Image) ExtractAreaMultiPage(left, top, width, height int) error

ExtractAreaMultiPage extracts a region from the image, working correctly with multi-page (animated) images

func (*Image) ExtractBand ¶

func (r *Image) ExtractBand(band int, options *ExtractBandOptions) error

ExtractBand vips_extract_band extract band from an image

The band specifies band to extract.

func (*Image) Falsecolour ¶

func (r *Image) Falsecolour() error

Falsecolour vips_falsecolour false-color an image

func (*Image) Fastcor ¶

func (r *Image) Fastcor(ref *Image) error

Fastcor vips_fastcor fast correlation

The ref specifies input reference image.

func (*Image) FillNearest ¶

func (r *Image) FillNearest() (*Image, error)

FillNearest vips_fill_nearest fill image zeros with nearest non-zero pixel

func (*Image) FindTrim ¶

func (r *Image) FindTrim(options *FindTrimOptions) (int, int, int, int, error)

FindTrim vips_find_trim search an image for non-edge areas

func (*Image) Fitssave ¶

func (r *Image) Fitssave(filename string, options *FitssaveOptions) error

Fitssave vips_fitssave save image to fits file

The filename specifies filename to save to.

func (*Image) Flatten ¶

func (r *Image) Flatten(options *FlattenOptions) error

Flatten vips_flatten flatten alpha out of an image

func (*Image) Flip ¶

func (r *Image) Flip(direction Direction) error

Flip vips_flip flip an image

The direction specifies direction to flip image.

func (*Image) Float2rad ¶

func (r *Image) Float2rad() error

Float2rad vips_float2rad transform float RGB to Radiance coding

func (*Image) Format ¶

func (r *Image) Format() ImageType

Format returns the initial format of the vips image when loaded.

func (*Image) Freqmult ¶

func (r *Image) Freqmult(mask *Image) error

Freqmult vips_freqmult frequency-domain filtering

The mask specifies input mask image.

func (*Image) Fwfft ¶

func (r *Image) Fwfft() error

Fwfft vips_fwfft forward FFT

func (*Image) Gamma ¶

func (r *Image) Gamma(options *GammaOptions) error

Gamma vips_gamma gamma an image

func (*Image) Gaussblur ¶

func (r *Image) Gaussblur(sigma float64, options *GaussblurOptions) error

Gaussblur vips_gaussblur gaussian blur

The sigma specifies sigma of Gaussian.

func (*Image) GetArrayDouble ¶ added in v0.8.2

func (r *Image) GetArrayDouble(name string) ([]float64, error)

GetArrayDouble vips_image_get_array_double retrieves a double array metadata value

func (*Image) GetArrayInt ¶ added in v0.8.2

func (r *Image) GetArrayInt(name string) ([]int, error)

GetArrayInt vips_image_get_array_int retrieves an integer array metadata value

func (*Image) GetAsString ¶ added in v0.6.0

func (r *Image) GetAsString(name string) (string, error)

GetAsString vips_image_get_as_string retrieves any metadata value converted to string format

func (*Image) GetBlob ¶ added in v0.6.0

func (r *Image) GetBlob(name string) ([]byte, error)

GetBlob vips_image_get_blob retrieves binary metadata from the image by field name

func (*Image) GetDouble ¶ added in v0.6.0

func (r *Image) GetDouble(name string) (float64, error)

GetDouble vips_image_get_double retrieves a double-precision floating point metadata value

func (*Image) GetFields ¶ added in v0.6.0

func (r *Image) GetFields() []string

GetFields vips_image_get_fields returns a list of all metadata field names in the image

func (*Image) GetICCProfile ¶ added in v0.6.0

func (r *Image) GetICCProfile() ([]byte, bool)

GetICCProfile retrieves the ICC profile data (if any) from the image.

func (*Image) GetInt ¶ added in v0.6.0

func (r *Image) GetInt(name string) (int, error)

GetInt vips_image_get_int retrieves an integer metadata value

func (*Image) GetString ¶ added in v0.6.0

func (r *Image) GetString(name string) (string, error)

GetString vips_image_get_string retrieves a string metadata value

func (*Image) Getpoint ¶

func (r *Image) Getpoint(x int, y int, options *GetpointOptions) ([]float64, error)

Getpoint vips_getpoint read a point from an image

The x specifies point to read. The y specifies point to read.

func (*Image) Gifsave ¶

func (r *Image) Gifsave(filename string, options *GifsaveOptions) error

Gifsave vips_gifsave save as gif

The filename specifies filename to save to.

func (*Image) GifsaveBuffer ¶

func (r *Image) GifsaveBuffer(options *GifsaveBufferOptions) ([]byte, error)

GifsaveBuffer vips_gifsave_buffer save as gif

func (*Image) GifsaveTarget ¶ added in v1.1.0

func (r *Image) GifsaveTarget(target *Target, options *GifsaveTargetOptions) error

GifsaveTarget vips_gifsave_target save as gif

The target specifies target to save to.

func (*Image) Globalbalance ¶

func (r *Image) Globalbalance(options *GlobalbalanceOptions) error

Globalbalance vips_globalbalance global balance an image mosaic

func (*Image) Gravity ¶

func (r *Image) Gravity(direction CompassDirection, width int, height int, options *GravityOptions) error

Gravity vips_gravity place an image within a larger image with a certain gravity

The direction specifies direction to place image within width/height. The width specifies image width in pixels. The height specifies image height in pixels.

func (*Image) Grid ¶

func (r *Image) Grid(tileHeight int, across int, down int) error

Grid vips_grid grid an image

The tileHeight specifies chop into tiles this high. The across specifies number of tiles across. The down specifies number of tiles down.

func (*Image) HSV2sRGB ¶

func (r *Image) HSV2sRGB() error

HSV2sRGB vips_HSV2sRGB transform HSV to sRGB

func (*Image) HasAlpha ¶

func (r *Image) HasAlpha() bool

HasAlpha returns if the image has an alpha layer.

func (*Image) HasField ¶ added in v0.8.2

func (r *Image) HasField(name string) bool

HasField vips_image_get_typeof checks if the image has a metadata field with the given name

func (*Image) HasICCProfile ¶ added in v0.6.0

func (r *Image) HasICCProfile() bool

HasICCProfile checks whether the image has an ICC profile embedded.

func (*Image) HasIPTC ¶ added in v0.6.0

func (r *Image) HasIPTC() bool

HasIPTC returns a boolean whether the image in question has IPTC data associated with it.

func (*Image) Heifsave ¶

func (r *Image) Heifsave(filename string, options *HeifsaveOptions) error

Heifsave vips_heifsave save image in HEIF format

The filename specifies filename to save to.

func (*Image) HeifsaveBuffer ¶

func (r *Image) HeifsaveBuffer(options *HeifsaveBufferOptions) ([]byte, error)

HeifsaveBuffer vips_heifsave_buffer save image in HEIF format

func (*Image) HeifsaveTarget ¶ added in v1.1.0

func (r *Image) HeifsaveTarget(target *Target, options *HeifsaveTargetOptions) error

HeifsaveTarget vips_heifsave_target save image in HEIF format

The target specifies target to save to.

func (*Image) Height ¶

func (r *Image) Height() int

Height returns the height of this image.

func (*Image) HistCum ¶

func (r *Image) HistCum() error

HistCum vips_hist_cum form cumulative histogram

func (*Image) HistEntropy ¶

func (r *Image) HistEntropy() (float64, error)

HistEntropy vips_hist_entropy estimate image entropy

func (*Image) HistEqual ¶

func (r *Image) HistEqual(options *HistEqualOptions) error

HistEqual vips_hist_equal histogram equalisation

func (*Image) HistFind ¶

func (r *Image) HistFind(options *HistFindOptions) error

HistFind vips_hist_find find image histogram

func (*Image) HistFindIndexed ¶

func (r *Image) HistFindIndexed(index *Image, options *HistFindIndexedOptions) error

HistFindIndexed vips_hist_find_indexed find indexed image histogram

The index specifies index image.

func (*Image) HistFindNdim ¶

func (r *Image) HistFindNdim(options *HistFindNdimOptions) error

HistFindNdim vips_hist_find_ndim find n-dimensional image histogram

func (*Image) HistIsmonotonic ¶

func (r *Image) HistIsmonotonic() (bool, error)

HistIsmonotonic vips_hist_ismonotonic test for monotonicity

func (*Image) HistLocal ¶

func (r *Image) HistLocal(width int, height int, options *HistLocalOptions) error

HistLocal vips_hist_local local histogram equalisation

The width specifies window width in pixels. The height specifies window height in pixels.

func (*Image) HistMatch ¶

func (r *Image) HistMatch(ref *Image) error

HistMatch vips_hist_match match two histograms

The ref specifies reference histogram.

func (*Image) HistNorm ¶

func (r *Image) HistNorm() error

HistNorm vips_hist_norm normalise histogram

func (*Image) HistPlot ¶

func (r *Image) HistPlot() error

HistPlot vips_hist_plot plot histogram

func (*Image) HoughCircle ¶

func (r *Image) HoughCircle(options *HoughCircleOptions) error

HoughCircle vips_hough_circle find hough circle transform

func (*Image) HoughLine ¶

func (r *Image) HoughLine(options *HoughLineOptions) error

HoughLine vips_hough_line find hough line transform

func (*Image) IccExport ¶

func (r *Image) IccExport(options *IccExportOptions) error

IccExport vips_icc_export output to device with ICC profile

func (*Image) IccImport ¶

func (r *Image) IccImport(options *IccImportOptions) error

IccImport vips_icc_import import from device with ICC profile

func (*Image) IccTransform ¶

func (r *Image) IccTransform(outputProfile string, options *IccTransformOptions) error

IccTransform vips_icc_transform transform between devices with ICC profiles

The outputProfile specifies filename to load output profile from.

func (*Image) Ifthenelse ¶

func (r *Image) Ifthenelse(in1 *Image, in2 *Image, options *IfthenelseOptions) error

Ifthenelse vips_ifthenelse ifthenelse an image

The in1 specifies source for TRUE pixels. The in2 specifies source for FALSE pixels.

func (*Image) Insert ¶

func (r *Image) Insert(sub *Image, x int, y int, options *InsertOptions) error

Insert vips_insert insert image @sub into @main at @x, @y

The sub specifies sub-image to insert into main image. The x specifies left edge of sub in main. The y specifies top edge of sub in main.

func (*Image) Interpretation ¶

func (r *Image) Interpretation() Interpretation

Interpretation returns the current interpretation of the color space of the image.

func (*Image) Invert ¶

func (r *Image) Invert() error

Invert vips_invert invert an image

func (*Image) Invertlut ¶

func (r *Image) Invertlut(options *InvertlutOptions) error

Invertlut vips_invertlut build an inverted look-up table

func (*Image) Invfft ¶

func (r *Image) Invfft(options *InvfftOptions) error

Invfft vips_invfft inverse FFT

func (*Image) IsColorSpaceSupported ¶ added in v0.6.0

func (r *Image) IsColorSpaceSupported() bool

IsColorSpaceSupported returns a boolean whether the image's color space is supported by libvips.

func (*Image) Join ¶

func (r *Image) Join(in2 *Image, direction Direction, options *JoinOptions) error

Join vips_join join a pair of images

The in2 specifies second input image. The direction specifies join left-right or up-down.

func (*Image) Jp2ksave ¶

func (r *Image) Jp2ksave(filename string, options *Jp2ksaveOptions) error

Jp2ksave vips_jp2ksave save image in JPEG2000 format

The filename specifies filename to save to.

func (*Image) Jp2ksaveBuffer ¶

func (r *Image) Jp2ksaveBuffer(options *Jp2ksaveBufferOptions) ([]byte, error)

Jp2ksaveBuffer vips_jp2ksave_buffer save image in JPEG2000 format

func (*Image) Jp2ksaveTarget ¶ added in v1.1.0

func (r *Image) Jp2ksaveTarget(target *Target, options *Jp2ksaveTargetOptions) error

Jp2ksaveTarget vips_jp2ksave_target save image in JPEG2000 format

The target specifies target to save to.

func (*Image) Jpegsave ¶

func (r *Image) Jpegsave(filename string, options *JpegsaveOptions) error

Jpegsave vips_jpegsave save image to jpeg file

The filename specifies filename to save to.

func (*Image) JpegsaveBuffer ¶

func (r *Image) JpegsaveBuffer(options *JpegsaveBufferOptions) ([]byte, error)

JpegsaveBuffer vips_jpegsave_buffer save image to jpeg buffer

func (*Image) JpegsaveTarget ¶ added in v1.1.0

func (r *Image) JpegsaveTarget(target *Target, options *JpegsaveTargetOptions) error

JpegsaveTarget vips_jpegsave_target save image to jpeg target

The target specifies target to save to.

func (*Image) Jxlsave ¶ added in v0.2.0

func (r *Image) Jxlsave(filename string, options *JxlsaveOptions) error

Jxlsave vips_jxlsave save image in JPEG-XL format

The filename specifies filename to save to.

func (*Image) JxlsaveBuffer ¶ added in v0.2.0

func (r *Image) JxlsaveBuffer(options *JxlsaveBufferOptions) ([]byte, error)

JxlsaveBuffer vips_jxlsave_buffer save image in JPEG-XL format

func (*Image) JxlsaveTarget ¶ added in v1.1.0

func (r *Image) JxlsaveTarget(target *Target, options *JxlsaveTargetOptions) error

JxlsaveTarget vips_jxlsave_target save image in JPEG-XL format

The target specifies target to save to.

func (*Image) LCh2CMC ¶

func (r *Image) LCh2CMC() error

LCh2CMC vips_LCh2CMC transform LCh to CMC

func (*Image) LCh2Lab ¶

func (r *Image) LCh2Lab() error

LCh2Lab vips_LCh2Lab transform LCh to Lab

func (*Image) Lab2LCh ¶

func (r *Image) Lab2LCh() error

Lab2LCh vips_Lab2LCh transform Lab to LCh

func (*Image) Lab2LabQ ¶

func (r *Image) Lab2LabQ() error

Lab2LabQ vips_Lab2LabQ transform float Lab to LabQ coding

func (*Image) Lab2LabS ¶

func (r *Image) Lab2LabS() error

Lab2LabS vips_Lab2LabS transform float Lab to signed short

func (*Image) Lab2XYZ ¶

func (r *Image) Lab2XYZ(options *Lab2XYZOptions) error

Lab2XYZ vips_Lab2XYZ transform CIELAB to XYZ

func (*Image) LabQ2Lab ¶

func (r *Image) LabQ2Lab() error

LabQ2Lab vips_LabQ2Lab unpack a LabQ image to float Lab

func (*Image) LabQ2LabS ¶

func (r *Image) LabQ2LabS() error

LabQ2LabS vips_LabQ2LabS unpack a LabQ image to short Lab

func (*Image) LabQ2sRGB ¶

func (r *Image) LabQ2sRGB() error

LabQ2sRGB vips_LabQ2sRGB convert a LabQ image to sRGB

func (*Image) LabS2Lab ¶

func (r *Image) LabS2Lab() error

LabS2Lab vips_LabS2Lab transform signed short Lab to float

func (*Image) LabS2LabQ ¶

func (r *Image) LabS2LabQ() error

LabS2LabQ vips_LabS2LabQ transform short Lab to LabQ coding

func (*Image) Label ¶

func (r *Image) Label(text string, x, y int, options *LabelOptions) error

Label adds text to the image

func (*Image) Labelregions ¶

func (r *Image) Labelregions() error

Labelregions vips_labelregions label regions in an image

func (*Image) Linear ¶

func (r *Image) Linear(a []float64, b []float64, options *LinearOptions) error

Linear vips_linear calculate (a * in + b)

The a specifies multiply by this. The b specifies add this.

func (*Image) Linecache ¶

func (r *Image) Linecache(options *LinecacheOptions) (*Image, error)

Linecache vips_linecache cache an image as a set of lines

func (*Image) Magicksave ¶

func (r *Image) Magicksave(filename string, options *MagicksaveOptions) error

Magicksave vips_magicksave save file with ImageMagick

The filename specifies filename to save to.

func (*Image) MagicksaveBuffer ¶

func (r *Image) MagicksaveBuffer(options *MagicksaveBufferOptions) ([]byte, error)

MagicksaveBuffer vips_magicksave_buffer save image to magick buffer

func (*Image) Mapim ¶

func (r *Image) Mapim(index *Image, options *MapimOptions) error

Mapim vips_mapim resample with a map image

The index specifies index pixels with this.

func (*Image) Maplut ¶

func (r *Image) Maplut(lut *Image, options *MaplutOptions) error

Maplut vips_maplut map an image though a lut

The lut specifies look-up table image.

func (*Image) Match ¶

func (r *Image) Match(sec *Image, xr1 int, yr1 int, xs1 int, ys1 int, xr2 int, yr2 int, xs2 int, ys2 int, options *MatchOptions) error

Match vips_match first-order match of two images

The sec specifies secondary image. The xr1 specifies position of first reference tie-point. The yr1 specifies position of first reference tie-point. The xs1 specifies position of first secondary tie-point. The ys1 specifies position of first secondary tie-point. The xr2 specifies position of second reference tie-point. The yr2 specifies position of second reference tie-point. The xs2 specifies position of second secondary tie-point. The ys2 specifies position of second secondary tie-point.

func (*Image) Math ¶

func (r *Image) Math(math OperationMath) error

Math vips_math apply a math operation to an image

The math specifies math to perform.

func (*Image) Math2 ¶

func (r *Image) Math2(right *Image, math2 OperationMath2) error

Math2 vips_math2 binary math operations

The right specifies right-hand image argument. The math2 specifies math to perform.

func (*Image) Math2Const ¶

func (r *Image) Math2Const(math2 OperationMath2, c []float64) error

Math2Const vips_math2_const binary math operations with a constant

The math2 specifies math to perform. The c specifies array of constants.

func (*Image) Matrixinvert ¶

func (r *Image) Matrixinvert() error

Matrixinvert vips_matrixinvert invert a matrix

func (*Image) Matrixmultiply ¶ added in v1.1.1

func (r *Image) Matrixmultiply(right *Image) error

Matrixmultiply vips_matrixmultiply multiply two matrices

The right specifies second matrix to multiply.

func (*Image) Matrixprint ¶

func (r *Image) Matrixprint(options *MatrixprintOptions) error

Matrixprint vips_matrixprint print matrix

func (*Image) Matrixsave ¶

func (r *Image) Matrixsave(filename string, options *MatrixsaveOptions) error

Matrixsave vips_matrixsave save image to matrix

The filename specifies filename to save to.

func (*Image) MatrixsaveTarget ¶ added in v1.1.0

func (r *Image) MatrixsaveTarget(target *Target, options *MatrixsaveTargetOptions) error

MatrixsaveTarget vips_matrixsave_target save image to matrix

The target specifies target to save to.

func (*Image) Max ¶

func (r *Image) Max(options *MaxOptions) (float64, error)

Max vips_max find image maximum

func (*Image) Maxpair ¶

func (r *Image) Maxpair(right *Image) error

Maxpair vips_maxpair maximum of a pair of images

The right specifies right-hand image argument.

func (*Image) Measure ¶

func (r *Image) Measure(h int, v int, options *MeasureOptions) error

Measure vips_measure measure a set of patches on a color chart

The h specifies number of patches across chart. The v specifies number of patches down chart.

func (*Image) Merge ¶

func (r *Image) Merge(sec *Image, direction Direction, dx int, dy int, options *MergeOptions) error

Merge vips_merge merge two images

The sec specifies secondary image. The direction specifies horizontal or vertical merge. The dx specifies horizontal displacement from sec to ref. The dy specifies vertical displacement from sec to ref.

func (*Image) Min ¶

func (r *Image) Min(options *MinOptions) (float64, error)

Min vips_min find image minimum

func (*Image) Minpair ¶

func (r *Image) Minpair(right *Image) error

Minpair vips_minpair minimum of a pair of images

The right specifies right-hand image argument.

func (*Image) Modulate ¶ added in v0.6.0

func (r *Image) Modulate(brightness, saturation, hue float64) error

Modulate the colors

func (*Image) ModulateHSV ¶ added in v0.6.0

func (r *Image) ModulateHSV(brightness, saturation float64, hue int) error

ModulateHSV modulates the image HSV values based on the supplier parameters.

func (*Image) Morph ¶

func (r *Image) Morph(mask *Image, morph OperationMorphology) error

Morph vips_morph morphology operation

The mask specifies input matrix image. The morph specifies morphological operation to perform.

func (*Image) Mosaic ¶

func (r *Image) Mosaic(sec *Image, direction Direction, xref int, yref int, xsec int, ysec int, options *MosaicOptions) error

Mosaic vips_mosaic mosaic two images

The sec specifies secondary image. The direction specifies horizontal or vertical mosaic. The xref specifies position of reference tie-point. The yref specifies position of reference tie-point. The xsec specifies position of secondary tie-point. The ysec specifies position of secondary tie-point.

func (*Image) Mosaic1 ¶

func (r *Image) Mosaic1(sec *Image, direction Direction, xr1 int, yr1 int, xs1 int, ys1 int, xr2 int, yr2 int, xs2 int, ys2 int, options *Mosaic1Options) error

Mosaic1 vips_mosaic1 first-order mosaic of two images

The sec specifies secondary image. The direction specifies horizontal or vertical mosaic. The xr1 specifies position of first reference tie-point. The yr1 specifies position of first reference tie-point. The xs1 specifies position of first secondary tie-point. The ys1 specifies position of first secondary tie-point. The xr2 specifies position of second reference tie-point. The yr2 specifies position of second reference tie-point. The xs2 specifies position of second secondary tie-point. The ys2 specifies position of second secondary tie-point.

func (*Image) Msb ¶

func (r *Image) Msb(options *MsbOptions) error

Msb vips_msb pick most-significant byte from an image

func (*Image) Multiply ¶

func (r *Image) Multiply(right *Image) error

Multiply vips_multiply multiply two images

The right specifies right-hand image argument.

func (*Image) Niftisave ¶ added in v0.2.0

func (r *Image) Niftisave(filename string, options *NiftisaveOptions) error

Niftisave vips_niftisave save image to nifti file

The filename specifies filename to save to.

func (*Image) OffsetX ¶ added in v0.6.0

func (r *Image) OffsetX() int

OffsetX returns the X offset

func (*Image) OffsetY ¶ added in v0.6.0

func (r *Image) OffsetY() int

OffsetY returns the Y offset

func (*Image) Orientation ¶

func (r *Image) Orientation() int

Orientation returns the orientation number as it appears in the Exif, if present

func (*Image) PageDelay ¶ added in v0.8.1

func (r *Image) PageDelay() ([]int, error)

PageDelay gets the page delay array for animation

func (*Image) PageHeight ¶

func (r *Image) PageHeight() int

PageHeight return the height of a single page

func (*Image) Pages ¶

func (r *Image) Pages() int

Pages returns the number of pages in the Image For animated images this corresponds to the number of frames

func (*Image) Percent ¶

func (r *Image) Percent(percent float64) (int, error)

Percent vips_percent find threshold for percent of pixels

The percent specifies percent of pixels.

func (*Image) Phasecor ¶

func (r *Image) Phasecor(in2 *Image) error

Phasecor vips_phasecor calculate phase correlation

The in2 specifies second input image.

func (*Image) Pngsave ¶

func (r *Image) Pngsave(filename string, options *PngsaveOptions) error

Pngsave vips_pngsave save image to png file

The filename specifies filename to save to.

func (*Image) PngsaveBuffer ¶

func (r *Image) PngsaveBuffer(options *PngsaveBufferOptions) ([]byte, error)

PngsaveBuffer vips_pngsave_buffer save image to png buffer

func (*Image) PngsaveTarget ¶ added in v1.1.0

func (r *Image) PngsaveTarget(target *Target, options *PngsaveTargetOptions) error

PngsaveTarget vips_pngsave_target save image to target as PNG

The target specifies target to save to.

func (*Image) Ppmsave ¶

func (r *Image) Ppmsave(filename string, options *PpmsaveOptions) error

Ppmsave vips_ppmsave save image to ppm file

The filename specifies filename to save to.

func (*Image) PpmsaveTarget ¶ added in v1.1.0

func (r *Image) PpmsaveTarget(target *Target, options *PpmsaveTargetOptions) error

PpmsaveTarget vips_ppmsave_target save to ppm

The target specifies target to save to.

func (*Image) Premultiply ¶

func (r *Image) Premultiply(options *PremultiplyOptions) error

Premultiply vips_premultiply premultiply image alpha

func (*Image) Prewitt ¶

func (r *Image) Prewitt() error

Prewitt vips_prewitt Prewitt edge detector

func (*Image) Profile ¶

func (r *Image) Profile() (*Image, *Image, error)

Profile vips_profile find image profiles

func (*Image) Project ¶

func (r *Image) Project() (*Image, *Image, error)

Project vips_project find image projections

func (*Image) Quadratic ¶

func (r *Image) Quadratic(coeff *Image, options *QuadraticOptions) error

Quadratic vips_quadratic resample an image with a quadratic transform

The coeff specifies coefficient matrix.

func (*Image) Rad2float ¶

func (r *Image) Rad2float() error

Rad2float vips_rad2float unpack Radiance coding to float RGB

func (*Image) Radsave ¶

func (r *Image) Radsave(filename string, options *RadsaveOptions) error

Radsave vips_radsave save image to Radiance file

The filename specifies filename to save to.

func (*Image) RadsaveBuffer ¶

func (r *Image) RadsaveBuffer(options *RadsaveBufferOptions) ([]byte, error)

RadsaveBuffer vips_radsave_buffer save image to Radiance buffer

func (*Image) RadsaveTarget ¶ added in v1.1.0

func (r *Image) RadsaveTarget(target *Target, options *RadsaveTargetOptions) error

RadsaveTarget vips_radsave_target save image to Radiance target

The target specifies target to save to.

func (*Image) Rank ¶

func (r *Image) Rank(width int, height int, index int) error

Rank vips_rank rank filter

The width specifies window width in pixels. The height specifies window height in pixels. The index specifies select pixel at index.

func (*Image) Rawsave ¶

func (r *Image) Rawsave(filename string, options *RawsaveOptions) error

Rawsave vips_rawsave save image to raw file

The filename specifies filename to save to.

func (*Image) RawsaveBuffer ¶

func (r *Image) RawsaveBuffer(options *RawsaveBufferOptions) ([]byte, error)

RawsaveBuffer vips_rawsave_buffer write raw image to buffer

func (*Image) RawsaveTarget ¶ added in v1.1.0

func (r *Image) RawsaveTarget(target *Target, options *RawsaveTargetOptions) error

RawsaveTarget vips_rawsave_target write raw image to target

The target specifies target to save to.

func (*Image) Recomb ¶

func (r *Image) Recomb(m *Image) error

Recomb vips_recomb linear recombination with matrix

The m specifies matrix of coefficients.

func (*Image) Reduce ¶

func (r *Image) Reduce(hshrink float64, vshrink float64, options *ReduceOptions) error

Reduce vips_reduce reduce an image

The hshrink specifies horizontal shrink factor. The vshrink specifies vertical shrink factor.

func (*Image) Reduceh ¶

func (r *Image) Reduceh(hshrink float64, options *ReducehOptions) error

Reduceh vips_reduceh shrink an image horizontally

The hshrink specifies horizontal shrink factor.

func (*Image) Reducev ¶

func (r *Image) Reducev(vshrink float64, options *ReducevOptions) error

Reducev vips_reducev shrink an image vertically

The vshrink specifies vertical shrink factor.

func (*Image) Relational ¶

func (r *Image) Relational(right *Image, relational OperationRelational) error

Relational vips_relational relational operation on two images

The right specifies right-hand image argument. The relational specifies relational to perform.

func (*Image) RelationalConst ¶

func (r *Image) RelationalConst(relational OperationRelational, c []float64) error

RelationalConst vips_relational_const relational operations against a constant

The relational specifies relational to perform. The c specifies array of constants.

func (*Image) Remainder ¶

func (r *Image) Remainder(right *Image) error

Remainder vips_remainder remainder after integer division of two images

The right specifies right-hand image argument.

func (*Image) RemainderConst ¶

func (r *Image) RemainderConst(c []float64) error

RemainderConst vips_remainder_const remainder after integer division of an image and a constant

The c specifies array of constants.

func (*Image) Remosaic ¶ added in v1.1.1

func (r *Image) Remosaic(oldStr string, newStr string) error

Remosaic vips_remosaic rebuild an mosaiced image

The oldStr specifies search for this string. The newStr specifies and swap for this string.

func (*Image) RemoveExif ¶

func (r *Image) RemoveExif() error

RemoveExif removes all metadata from the image (except ICC profile)

func (*Image) RemoveICCProfile ¶

func (r *Image) RemoveICCProfile() error

RemoveICCProfile removes the ICC Profile information from the image. Typically, browsers and other software assume images without profile to be in the sRGB color space.

func (*Image) RemoveOrientation ¶ added in v0.6.0

func (r *Image) RemoveOrientation() error

RemoveOrientation removes the EXIF orientation information of the image.

func (*Image) Replicate ¶

func (r *Image) Replicate(across int, down int) error

Replicate vips_replicate replicate an image

The across specifies repeat this many times horizontally. The down specifies repeat this many times vertically.

func (*Image) ResX ¶ added in v0.6.0

func (r *Image) ResX() float64

ResX returns the X resolution

func (*Image) ResY ¶ added in v0.6.0

func (r *Image) ResY() float64

ResY returns the Y resolution

func (*Image) Resize ¶

func (r *Image) Resize(scale float64, options *ResizeOptions) error

Resize vips_resize resize an image

The scale specifies scale image by this factor.

func (*Image) Rot ¶

func (r *Image) Rot(angle Angle) error

Rot vips_rot rotate an image

The angle specifies angle to rotate image.

func (*Image) Rot45 ¶

func (r *Image) Rot45(options *Rot45Options) error

Rot45 vips_rot45 rotate an image

func (*Image) RotMultiPage ¶ added in v0.7.0

func (r *Image) RotMultiPage(angle Angle) error

RotMultiPage rotates an image by a multiple of 90 degrees, working correctly with multi-page (animated) images

func (*Image) Rotate ¶

func (r *Image) Rotate(angle float64, options *RotateOptions) error

Rotate vips_rotate rotate an image by a number of degrees

The angle specifies rotate clockwise by this many degrees.

func (*Image) Round ¶

func (r *Image) Round(round OperationRound) error

Round vips_round perform a round function on an image

The round specifies rounding operation to perform.

func (*Image) SRGB2HSV ¶

func (r *Image) SRGB2HSV() error

SRGB2HSV vips_sRGB2HSV transform sRGB to HSV

func (*Image) SRGB2scRGB ¶

func (r *Image) SRGB2scRGB() error

SRGB2scRGB vips_sRGB2scRGB convert an sRGB image to scRGB

func (*Image) ScRGB2BW ¶

func (r *Image) ScRGB2BW(options *ScRGB2BWOptions) error

ScRGB2BW vips_scRGB2BW convert scRGB to BW

func (*Image) ScRGB2XYZ ¶

func (r *Image) ScRGB2XYZ() error

ScRGB2XYZ vips_scRGB2XYZ transform scRGB to XYZ

func (*Image) ScRGB2sRGB ¶

func (r *Image) ScRGB2sRGB(options *ScRGB2sRGBOptions) error

ScRGB2sRGB vips_scRGB2sRGB convert scRGB to sRGB

func (*Image) Scale ¶

func (r *Image) Scale(options *ScaleOptions) error

Scale vips_scale scale an image to uchar

func (*Image) Scharr ¶

func (r *Image) Scharr() error

Scharr vips_scharr Scharr edge detector

func (*Image) Sequential ¶

func (r *Image) Sequential(options *SequentialOptions) (*Image, error)

Sequential vips_sequential check sequential access

func (*Image) SetDouble ¶ added in v0.6.0

func (r *Image) SetDouble(name string, f float64)

SetDouble vips_image_set_double sets a double-precision floating point metadata value

func (*Image) SetInt ¶ added in v0.6.0

func (r *Image) SetInt(name string, i int)

SetInt vips_image_set_int sets an integer metadata value

func (*Image) SetOrientation ¶ added in v0.6.0

func (r *Image) SetOrientation(orientation int) error

SetOrientation sets the orientation in the EXIF header of the associated image.

func (*Image) SetPageHeight ¶

func (r *Image) SetPageHeight(height int) error

SetPageHeight set the height of a page For animated images this is used when "unrolling" back to frames

func (*Image) SetPages ¶ added in v0.6.0

func (r *Image) SetPages(pages int) error

SetPages sets the number of pages in the Image For animated images this corresponds to the number of frames

func (*Image) SetString ¶ added in v0.6.0

func (r *Image) SetString(name string, str string)

SetString vips_image_set_string sets a string metadata value

func (*Image) Sharpen ¶

func (r *Image) Sharpen(options *SharpenOptions) error

Sharpen vips_sharpen unsharp masking for print

func (*Image) Shrink ¶

func (r *Image) Shrink(hshrink float64, vshrink float64, options *ShrinkOptions) error

Shrink vips_shrink shrink an image

The hshrink specifies horizontal shrink factor. The vshrink specifies vertical shrink factor.

func (*Image) Shrinkh ¶

func (r *Image) Shrinkh(hshrink int, options *ShrinkhOptions) error

Shrinkh vips_shrinkh shrink an image horizontally

The hshrink specifies horizontal shrink factor.

func (*Image) Shrinkv ¶

func (r *Image) Shrinkv(vshrink int, options *ShrinkvOptions) error

Shrinkv vips_shrinkv shrink an image vertically

The vshrink specifies vertical shrink factor.

func (*Image) Sign ¶

func (r *Image) Sign() error

Sign vips_sign unit vector of pixel

func (*Image) Similarity ¶

func (r *Image) Similarity(options *SimilarityOptions) error

Similarity vips_similarity similarity transform of an image

func (*Image) Smartcrop ¶

func (r *Image) Smartcrop(width int, height int, options *SmartcropOptions) error

Smartcrop vips_smartcrop extract an area from an image

The width specifies width of extract area. The height specifies height of extract area.

func (*Image) Sobel ¶

func (r *Image) Sobel() error

Sobel vips_sobel Sobel edge detector

func (*Image) Spcor ¶

func (r *Image) Spcor(ref *Image) error

Spcor vips_spcor spatial correlation

The ref specifies input reference image.

func (*Image) Spectrum ¶

func (r *Image) Spectrum() error

Spectrum vips_spectrum make displayable power spectrum

func (*Image) Stats ¶

func (r *Image) Stats() error

Stats vips_stats find many image stats

func (*Image) Stdif ¶

func (r *Image) Stdif(width int, height int, options *StdifOptions) error

Stdif vips_stdif statistical difference

The width specifies window width in pixels. The height specifies window height in pixels.

func (*Image) Subsample ¶

func (r *Image) Subsample(xfac int, yfac int, options *SubsampleOptions) error

Subsample vips_subsample subsample an image

The xfac specifies horizontal subsample factor. The yfac specifies vertical subsample factor.

func (*Image) Subtract ¶

func (r *Image) Subtract(right *Image) error

Subtract vips_subtract subtract two images

The right specifies right-hand image argument.

func (*Image) ThumbnailImage ¶

func (r *Image) ThumbnailImage(width int, options *ThumbnailImageOptions) error

ThumbnailImage vips_thumbnail_image generate thumbnail from image

The width specifies size to this width.

func (*Image) Tiffsave ¶

func (r *Image) Tiffsave(filename string, options *TiffsaveOptions) error

Tiffsave vips_tiffsave save image to tiff file

The filename specifies filename to save to.

func (*Image) TiffsaveBuffer ¶

func (r *Image) TiffsaveBuffer(options *TiffsaveBufferOptions) ([]byte, error)

TiffsaveBuffer vips_tiffsave_buffer save image to tiff buffer

func (*Image) TiffsaveTarget ¶ added in v1.1.0

func (r *Image) TiffsaveTarget(target *Target, options *TiffsaveTargetOptions) error

TiffsaveTarget vips_tiffsave_target save image to tiff target

The target specifies target to save to.

func (*Image) Tilecache ¶

func (r *Image) Tilecache(options *TilecacheOptions) (*Image, error)

Tilecache vips_tilecache cache an image as a set of tiles

func (*Image) Transpose3d ¶

func (r *Image) Transpose3d(options *Transpose3dOptions) error

Transpose3d vips_transpose3d transpose3d an image

func (*Image) Unpremultiply ¶

func (r *Image) Unpremultiply(options *UnpremultiplyOptions) error

Unpremultiply vips_unpremultiply unpremultiply image alpha

func (*Image) Vipssave ¶

func (r *Image) Vipssave(filename string, options *VipssaveOptions) error

Vipssave vips_vipssave save image to file in vips format

The filename specifies filename to save to.

func (*Image) VipssaveTarget ¶ added in v1.1.0

func (r *Image) VipssaveTarget(target *Target, options *VipssaveTargetOptions) error

VipssaveTarget vips_vipssave_target save image to target in vips format

The target specifies target to save to.

func (*Image) Webpsave ¶

func (r *Image) Webpsave(filename string, options *WebpsaveOptions) error

Webpsave vips_webpsave save as WebP

The filename specifies filename to save to.

func (*Image) WebpsaveBuffer ¶

func (r *Image) WebpsaveBuffer(options *WebpsaveBufferOptions) ([]byte, error)

WebpsaveBuffer vips_webpsave_buffer save as WebP

func (*Image) WebpsaveTarget ¶ added in v1.1.0

func (r *Image) WebpsaveTarget(target *Target, options *WebpsaveTargetOptions) error

WebpsaveTarget vips_webpsave_target save as WebP

The target specifies target to save to.

func (*Image) Width ¶

func (r *Image) Width() int

Width returns the width of this image.

func (*Image) Wrap ¶

func (r *Image) Wrap(options *WrapOptions) error

Wrap vips_wrap wrap image origin

func (*Image) XYZ2CMYK ¶

func (r *Image) XYZ2CMYK() error

XYZ2CMYK vips_XYZ2CMYK transform XYZ to CMYK

func (*Image) XYZ2Lab ¶

func (r *Image) XYZ2Lab(options *XYZ2LabOptions) error

XYZ2Lab vips_XYZ2Lab transform XYZ to Lab

func (*Image) XYZ2Yxy ¶

func (r *Image) XYZ2Yxy() error

XYZ2Yxy vips_XYZ2Yxy transform XYZ to Yxy

func (*Image) XYZ2scRGB ¶

func (r *Image) XYZ2scRGB() error

XYZ2scRGB vips_XYZ2scRGB transform XYZ to scRGB

func (*Image) Yxy2XYZ ¶

func (r *Image) Yxy2XYZ() error

Yxy2XYZ vips_Yxy2XYZ transform Yxy to XYZ

func (*Image) Zoom ¶

func (r *Image) Zoom(xfac int, yfac int) error

Zoom vips_zoom zoom an image

The xfac specifies horizontal zoom factor. The yfac specifies vertical zoom factor.

type ImageType ¶

type ImageType string

ImageType represents an image type

const (
	ImageTypeUnknown   ImageType = "unknown"
	ImageTypeJpeg      ImageType = "jpeg"
	ImageTypeGif       ImageType = "gif"
	ImageTypePng       ImageType = "png"
	ImageTypeWebp      ImageType = "webp"
	ImageTypeHeif      ImageType = "heif"
	ImageTypeSvg       ImageType = "svg"
	ImageTypeTiff      ImageType = "tiff"
	ImageTypeJp2k      ImageType = "jp2k"
	ImageTypeAvif      ImageType = "avif"
	ImageTypePdf       ImageType = "pdf"
	ImageTypeBmp       ImageType = "bmp"
	ImageTypeMagick    ImageType = "magick"
	ImageTypeAnalyze   ImageType = "analyze"
	ImageTypeCsv       ImageType = "csv"
	ImageTypeDz        ImageType = "dz"
	ImageTypeFits      ImageType = "fits"
	ImageTypeJxl       ImageType = "jxl"
	ImageTypeMat       ImageType = "mat"
	ImageTypeMatrix    ImageType = "matrix"
	ImageTypeOpenexr   ImageType = "openexr"
	ImageTypeOpenslide ImageType = "openslide"
	ImageTypePpm       ImageType = "ppm"
	ImageTypeRad       ImageType = "rad"
	ImageTypeRaw       ImageType = "raw"
	ImageTypeVips      ImageType = "vips"
)

ImageType enum

func (ImageType) MimeType ¶ added in v0.8.0

func (imageType ImageType) MimeType() (mime string, ok bool)

MimeType returns the MIME type for the image type.

type InsertOptions ¶

type InsertOptions struct {
	// Expand Expand output to hold all of both inputs
	Expand bool
	// Background Color for new pixels
	Background []float64
}

InsertOptions optional arguments for vips_insert

func DefaultInsertOptions ¶

func DefaultInsertOptions() *InsertOptions

DefaultInsertOptions creates default value for vips_insert optional arguments

type Intent ¶

type Intent int

Intent represents VipsIntent type

const (
	IntentPerceptual Intent = C.VIPS_INTENT_PERCEPTUAL
	IntentRelative   Intent = C.VIPS_INTENT_RELATIVE
	IntentSaturation Intent = C.VIPS_INTENT_SATURATION
	IntentAbsolute   Intent = C.VIPS_INTENT_ABSOLUTE
	IntentAuto       Intent = C.VIPS_INTENT_AUTO
	IntentLast       Intent = C.VIPS_INTENT_LAST
)

Intent enum

type Interesting ¶

type Interesting int

Interesting represents VipsInteresting type

const (
	InterestingNone      Interesting = C.VIPS_INTERESTING_NONE
	InterestingCentre    Interesting = C.VIPS_INTERESTING_CENTRE
	InterestingEntropy   Interesting = C.VIPS_INTERESTING_ENTROPY
	InterestingAttention Interesting = C.VIPS_INTERESTING_ATTENTION
	InterestingLow       Interesting = C.VIPS_INTERESTING_LOW
	InterestingHigh      Interesting = C.VIPS_INTERESTING_HIGH
	InterestingAll       Interesting = C.VIPS_INTERESTING_ALL
	InterestingLast      Interesting = C.VIPS_INTERESTING_LAST
)

Interesting enum

type Interpolate ¶

type Interpolate struct {
	// contains filtered or unexported fields
}

Interpolate represents VipsInterpolate type

func NewInterpolate ¶

func NewInterpolate(name InterpolateType) *Interpolate

NewInterpolate creates a new Interpolate with the given name Valid names include: "nearest", "bilinear", "bicubic", "lbb", "nohalo", "vsqbs"

func (*Interpolate) Close ¶

func (i *Interpolate) Close()

Close frees the interpolator resources

type InterpolateType ¶

type InterpolateType string

InterpolateType represents the type of interpolation to use

const (
	InterpolateNearest  InterpolateType = "nearest"
	InterpolateBilinear InterpolateType = "bilinear"
	InterpolateBicubic  InterpolateType = "bicubic"
	InterpolateLbb      InterpolateType = "lbb" // Lanczos3
	InterpolateNohalo   InterpolateType = "nohalo"
	InterpolateVsqbs    InterpolateType = "vsqbs"
)

InterpolateType enum - these values match the predefined interpolators in libvips

type Interpretation ¶

type Interpretation int

Interpretation represents VipsInterpretation type

const (
	InterpretationError     Interpretation = C.VIPS_INTERPRETATION_ERROR
	InterpretationMultiband Interpretation = C.VIPS_INTERPRETATION_MULTIBAND
	InterpretationBW        Interpretation = C.VIPS_INTERPRETATION_B_W
	InterpretationHistogram Interpretation = C.VIPS_INTERPRETATION_HISTOGRAM
	InterpretationXyz       Interpretation = C.VIPS_INTERPRETATION_XYZ
	InterpretationLab       Interpretation = C.VIPS_INTERPRETATION_LAB
	InterpretationCmyk      Interpretation = C.VIPS_INTERPRETATION_CMYK
	InterpretationLabq      Interpretation = C.VIPS_INTERPRETATION_LABQ
	InterpretationRgb       Interpretation = C.VIPS_INTERPRETATION_RGB
	InterpretationCmc       Interpretation = C.VIPS_INTERPRETATION_CMC
	InterpretationLch       Interpretation = C.VIPS_INTERPRETATION_LCH
	InterpretationLabs      Interpretation = C.VIPS_INTERPRETATION_LABS
	InterpretationSrgb      Interpretation = C.VIPS_INTERPRETATION_sRGB
	InterpretationYxy       Interpretation = C.VIPS_INTERPRETATION_YXY
	InterpretationFourier   Interpretation = C.VIPS_INTERPRETATION_FOURIER
	InterpretationRgb16     Interpretation = C.VIPS_INTERPRETATION_RGB16
	InterpretationGrey16    Interpretation = C.VIPS_INTERPRETATION_GREY16
	InterpretationMatrix    Interpretation = C.VIPS_INTERPRETATION_MATRIX
	InterpretationScrgb     Interpretation = C.VIPS_INTERPRETATION_scRGB
	InterpretationHsv       Interpretation = C.VIPS_INTERPRETATION_HSV
	InterpretationLast      Interpretation = C.VIPS_INTERPRETATION_LAST
)

Interpretation enum

type InvertlutOptions ¶

type InvertlutOptions struct {
	// Size LUT size to generate
	Size int
}

InvertlutOptions optional arguments for vips_invertlut

func DefaultInvertlutOptions ¶

func DefaultInvertlutOptions() *InvertlutOptions

DefaultInvertlutOptions creates default value for vips_invertlut optional arguments

type InvfftOptions ¶

type InvfftOptions struct {
	// Real Output only the real part of the transform
	Real bool
}

InvfftOptions optional arguments for vips_invfft

func DefaultInvfftOptions ¶

func DefaultInvfftOptions() *InvfftOptions

DefaultInvfftOptions creates default value for vips_invfft optional arguments

type JoinOptions ¶

type JoinOptions struct {
	// Expand Expand output to hold all of both inputs
	Expand bool
	// Shim Pixels between images
	Shim int
	// Background Colour for new pixels
	Background []float64
	// Align Align on the low, centre or high coordinate edge
	Align Align
}

JoinOptions optional arguments for vips_join

func DefaultJoinOptions ¶

func DefaultJoinOptions() *JoinOptions

DefaultJoinOptions creates default value for vips_join optional arguments

type Jp2kloadBufferOptions ¶

type Jp2kloadBufferOptions struct {
	// Page Load this page from the image
	Page int
	// Oneshot Load images a frame at a time
	Oneshot bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

Jp2kloadBufferOptions optional arguments for vips_jp2kload_buffer

func DefaultJp2kloadBufferOptions ¶

func DefaultJp2kloadBufferOptions() *Jp2kloadBufferOptions

DefaultJp2kloadBufferOptions creates default value for vips_jp2kload_buffer optional arguments

type Jp2kloadOptions ¶

type Jp2kloadOptions struct {
	// Page Load this page from the image
	Page int
	// Oneshot Load images a frame at a time
	Oneshot bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

Jp2kloadOptions optional arguments for vips_jp2kload

func DefaultJp2kloadOptions ¶

func DefaultJp2kloadOptions() *Jp2kloadOptions

DefaultJp2kloadOptions creates default value for vips_jp2kload optional arguments

type Jp2kloadSourceOptions ¶

type Jp2kloadSourceOptions struct {
	// Page Load this page from the image
	Page int
	// Oneshot Load images a frame at a time
	Oneshot bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

Jp2kloadSourceOptions optional arguments for vips_jp2kload_source

func DefaultJp2kloadSourceOptions ¶

func DefaultJp2kloadSourceOptions() *Jp2kloadSourceOptions

DefaultJp2kloadSourceOptions creates default value for vips_jp2kload_source optional arguments

type Jp2ksaveBufferOptions ¶

type Jp2ksaveBufferOptions struct {
	// TileWidth Tile width in pixels
	TileWidth int
	// TileHeight Tile height in pixels
	TileHeight int
	// Lossless Enable lossless compression
	Lossless bool
	// Q Q factor
	Q int
	// SubsampleMode Select chroma subsample operation mode
	SubsampleMode Subsample
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

Jp2ksaveBufferOptions optional arguments for vips_jp2ksave_buffer

func DefaultJp2ksaveBufferOptions ¶

func DefaultJp2ksaveBufferOptions() *Jp2ksaveBufferOptions

DefaultJp2ksaveBufferOptions creates default value for vips_jp2ksave_buffer optional arguments

type Jp2ksaveOptions ¶

type Jp2ksaveOptions struct {
	// TileWidth Tile width in pixels
	TileWidth int
	// TileHeight Tile height in pixels
	TileHeight int
	// Lossless Enable lossless compression
	Lossless bool
	// Q Q factor
	Q int
	// SubsampleMode Select chroma subsample operation mode
	SubsampleMode Subsample
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

Jp2ksaveOptions optional arguments for vips_jp2ksave

func DefaultJp2ksaveOptions ¶

func DefaultJp2ksaveOptions() *Jp2ksaveOptions

DefaultJp2ksaveOptions creates default value for vips_jp2ksave optional arguments

type Jp2ksaveTargetOptions ¶ added in v1.1.0

type Jp2ksaveTargetOptions struct {
	// TileWidth Tile width in pixels
	TileWidth int
	// TileHeight Tile height in pixels
	TileHeight int
	// Lossless Enable lossless compression
	Lossless bool
	// Q Q factor
	Q int
	// SubsampleMode Select chroma subsample operation mode
	SubsampleMode Subsample
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

Jp2ksaveTargetOptions optional arguments for vips_jp2ksave_target

func DefaultJp2ksaveTargetOptions ¶ added in v1.1.0

func DefaultJp2ksaveTargetOptions() *Jp2ksaveTargetOptions

DefaultJp2ksaveTargetOptions creates default value for vips_jp2ksave_target optional arguments

type JpegloadBufferOptions ¶

type JpegloadBufferOptions struct {
	// Shrink Shrink factor on load
	Shrink int
	// Autorotate Rotate image using exif orientation
	Autorotate bool
	// Unlimited Remove all denial of service limits
	Unlimited bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

JpegloadBufferOptions optional arguments for vips_jpegload_buffer

func DefaultJpegloadBufferOptions ¶

func DefaultJpegloadBufferOptions() *JpegloadBufferOptions

DefaultJpegloadBufferOptions creates default value for vips_jpegload_buffer optional arguments

type JpegloadOptions ¶

type JpegloadOptions struct {
	// Shrink Shrink factor on load
	Shrink int
	// Autorotate Rotate image using exif orientation
	Autorotate bool
	// Unlimited Remove all denial of service limits
	Unlimited bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

JpegloadOptions optional arguments for vips_jpegload

func DefaultJpegloadOptions ¶

func DefaultJpegloadOptions() *JpegloadOptions

DefaultJpegloadOptions creates default value for vips_jpegload optional arguments

type JpegloadSourceOptions ¶

type JpegloadSourceOptions struct {
	// Shrink Shrink factor on load
	Shrink int
	// Autorotate Rotate image using exif orientation
	Autorotate bool
	// Unlimited Remove all denial of service limits
	Unlimited bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

JpegloadSourceOptions optional arguments for vips_jpegload_source

func DefaultJpegloadSourceOptions ¶

func DefaultJpegloadSourceOptions() *JpegloadSourceOptions

DefaultJpegloadSourceOptions creates default value for vips_jpegload_source optional arguments

type JpegsaveBufferOptions ¶

type JpegsaveBufferOptions struct {
	// Q Q factor
	Q int
	// OptimizeCoding Compute optimal Huffman coding tables
	OptimizeCoding bool
	// Interlace Generate an interlaced (progressive) jpeg
	Interlace bool
	// TrellisQuant Apply trellis quantisation to each 8x8 block
	TrellisQuant bool
	// OvershootDeringing Apply overshooting to samples with extreme values
	OvershootDeringing bool
	// OptimizeScans Split spectrum of DCT coefficients into separate scans
	OptimizeScans bool
	// QuantTable Use predefined quantization table with given index
	QuantTable int
	// SubsampleMode Select chroma subsample operation mode
	SubsampleMode Subsample
	// RestartInterval Add restart markers every specified number of mcu
	RestartInterval int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

JpegsaveBufferOptions optional arguments for vips_jpegsave_buffer

func DefaultJpegsaveBufferOptions ¶

func DefaultJpegsaveBufferOptions() *JpegsaveBufferOptions

DefaultJpegsaveBufferOptions creates default value for vips_jpegsave_buffer optional arguments

type JpegsaveOptions ¶

type JpegsaveOptions struct {
	// Q Q factor
	Q int
	// OptimizeCoding Compute optimal Huffman coding tables
	OptimizeCoding bool
	// Interlace Generate an interlaced (progressive) jpeg
	Interlace bool
	// TrellisQuant Apply trellis quantisation to each 8x8 block
	TrellisQuant bool
	// OvershootDeringing Apply overshooting to samples with extreme values
	OvershootDeringing bool
	// OptimizeScans Split spectrum of DCT coefficients into separate scans
	OptimizeScans bool
	// QuantTable Use predefined quantization table with given index
	QuantTable int
	// SubsampleMode Select chroma subsample operation mode
	SubsampleMode Subsample
	// RestartInterval Add restart markers every specified number of mcu
	RestartInterval int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

JpegsaveOptions optional arguments for vips_jpegsave

func DefaultJpegsaveOptions ¶

func DefaultJpegsaveOptions() *JpegsaveOptions

DefaultJpegsaveOptions creates default value for vips_jpegsave optional arguments

type JpegsaveTargetOptions ¶ added in v1.1.0

type JpegsaveTargetOptions struct {
	// Q Q factor
	Q int
	// OptimizeCoding Compute optimal Huffman coding tables
	OptimizeCoding bool
	// Interlace Generate an interlaced (progressive) jpeg
	Interlace bool
	// TrellisQuant Apply trellis quantisation to each 8x8 block
	TrellisQuant bool
	// OvershootDeringing Apply overshooting to samples with extreme values
	OvershootDeringing bool
	// OptimizeScans Split spectrum of DCT coefficients into separate scans
	OptimizeScans bool
	// QuantTable Use predefined quantization table with given index
	QuantTable int
	// SubsampleMode Select chroma subsample operation mode
	SubsampleMode Subsample
	// RestartInterval Add restart markers every specified number of mcu
	RestartInterval int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

JpegsaveTargetOptions optional arguments for vips_jpegsave_target

func DefaultJpegsaveTargetOptions ¶ added in v1.1.0

func DefaultJpegsaveTargetOptions() *JpegsaveTargetOptions

DefaultJpegsaveTargetOptions creates default value for vips_jpegsave_target optional arguments

type JxlloadBufferOptions ¶ added in v0.2.0

type JxlloadBufferOptions struct {
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

JxlloadBufferOptions optional arguments for vips_jxlload_buffer

func DefaultJxlloadBufferOptions ¶ added in v0.2.0

func DefaultJxlloadBufferOptions() *JxlloadBufferOptions

DefaultJxlloadBufferOptions creates default value for vips_jxlload_buffer optional arguments

type JxlloadOptions ¶ added in v0.2.0

type JxlloadOptions struct {
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

JxlloadOptions optional arguments for vips_jxlload

func DefaultJxlloadOptions ¶ added in v0.2.0

func DefaultJxlloadOptions() *JxlloadOptions

DefaultJxlloadOptions creates default value for vips_jxlload optional arguments

type JxlloadSourceOptions ¶ added in v0.2.0

type JxlloadSourceOptions struct {
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

JxlloadSourceOptions optional arguments for vips_jxlload_source

func DefaultJxlloadSourceOptions ¶ added in v0.2.0

func DefaultJxlloadSourceOptions() *JxlloadSourceOptions

DefaultJxlloadSourceOptions creates default value for vips_jxlload_source optional arguments

type JxlsaveBufferOptions ¶ added in v0.2.0

type JxlsaveBufferOptions struct {
	// Tier Decode speed tier
	Tier int
	// Distance Target butteraugli distance
	Distance float64
	// Effort Encoding effort
	Effort int
	// Lossless Enable lossless compression
	Lossless bool
	// Q Quality factor
	Q int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

JxlsaveBufferOptions optional arguments for vips_jxlsave_buffer

func DefaultJxlsaveBufferOptions ¶ added in v0.2.0

func DefaultJxlsaveBufferOptions() *JxlsaveBufferOptions

DefaultJxlsaveBufferOptions creates default value for vips_jxlsave_buffer optional arguments

type JxlsaveOptions ¶ added in v0.2.0

type JxlsaveOptions struct {
	// Tier Decode speed tier
	Tier int
	// Distance Target butteraugli distance
	Distance float64
	// Effort Encoding effort
	Effort int
	// Lossless Enable lossless compression
	Lossless bool
	// Q Quality factor
	Q int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

JxlsaveOptions optional arguments for vips_jxlsave

func DefaultJxlsaveOptions ¶ added in v0.2.0

func DefaultJxlsaveOptions() *JxlsaveOptions

DefaultJxlsaveOptions creates default value for vips_jxlsave optional arguments

type JxlsaveTargetOptions ¶ added in v1.1.0

type JxlsaveTargetOptions struct {
	// Tier Decode speed tier
	Tier int
	// Distance Target butteraugli distance
	Distance float64
	// Effort Encoding effort
	Effort int
	// Lossless Enable lossless compression
	Lossless bool
	// Q Quality factor
	Q int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

JxlsaveTargetOptions optional arguments for vips_jxlsave_target

func DefaultJxlsaveTargetOptions ¶ added in v1.1.0

func DefaultJxlsaveTargetOptions() *JxlsaveTargetOptions

DefaultJxlsaveTargetOptions creates default value for vips_jxlsave_target optional arguments

type Keep ¶

type Keep int

Keep represents VipsForeignKeep type

const (
	KeepNone  Keep = C.VIPS_FOREIGN_KEEP_NONE
	KeepExif  Keep = C.VIPS_FOREIGN_KEEP_EXIF
	KeepXmp   Keep = C.VIPS_FOREIGN_KEEP_XMP
	KeepIptc  Keep = C.VIPS_FOREIGN_KEEP_IPTC
	KeepIcc   Keep = C.VIPS_FOREIGN_KEEP_ICC
	KeepOther Keep = C.VIPS_FOREIGN_KEEP_OTHER
	KeepAll   Keep = C.VIPS_FOREIGN_KEEP_ALL
)

Keep enum

type Kernel ¶

type Kernel int

Kernel represents VipsKernel type

const (
	KernelNearest  Kernel = C.VIPS_KERNEL_NEAREST
	KernelLinear   Kernel = C.VIPS_KERNEL_LINEAR
	KernelCubic    Kernel = C.VIPS_KERNEL_CUBIC
	KernelMitchell Kernel = C.VIPS_KERNEL_MITCHELL
	KernelLanczos2 Kernel = C.VIPS_KERNEL_LANCZOS2
	KernelLanczos3 Kernel = C.VIPS_KERNEL_LANCZOS3
	KernelMks2013  Kernel = C.VIPS_KERNEL_MKS2013
	KernelMks2021  Kernel = C.VIPS_KERNEL_MKS2021
	KernelLast     Kernel = C.VIPS_KERNEL_LAST
)

Kernel enum

type Lab2XYZOptions ¶

type Lab2XYZOptions struct {
	// Temp Color temperature
	Temp []float64
}

Lab2XYZOptions optional arguments for vips_Lab2XYZ

func DefaultLab2XYZOptions ¶

func DefaultLab2XYZOptions() *Lab2XYZOptions

DefaultLab2XYZOptions creates default value for vips_Lab2XYZ optional arguments

type LabelOptions ¶

type LabelOptions struct {
	// Font name
	Font string
	// Text size
	Size int
	// Text alignment
	Align Align
	// Text color components [0-255]
	Color []float64
	// Text opacity (0-1)
	Opacity float64
}

LabelOptions are options for Label method

func DefaultLabelOptions ¶

func DefaultLabelOptions() *LabelOptions

DefaultLabelOptions creates default options for Label

type LinearOptions ¶

type LinearOptions struct {
	// Uchar Output should be uchar
	Uchar bool
}

LinearOptions optional arguments for vips_linear

func DefaultLinearOptions ¶

func DefaultLinearOptions() *LinearOptions

DefaultLinearOptions creates default value for vips_linear optional arguments

type LinecacheOptions ¶

type LinecacheOptions struct {
	// TileHeight Tile height in pixels
	TileHeight int
	// Access Expected access pattern
	Access Access
	// Threaded Allow threaded access
	Threaded bool
	// Persistent Keep cache between evaluations
	Persistent bool
}

LinecacheOptions optional arguments for vips_linecache

func DefaultLinecacheOptions ¶

func DefaultLinecacheOptions() *LinecacheOptions

DefaultLinecacheOptions creates default value for vips_linecache optional arguments

type LoadOptions ¶

type LoadOptions struct {
	// N Number of pages to load, -1 for all
	N int
	// Page First page to load
	Page int
	// Dpi Resolution in DPI
	Dpi int
	// Autorotate Rotate image using exif orientation
	Autorotate bool
	// FailOnError Fail on first error
	FailOnError bool
	// Shrink Shrink factor for jpeg load
	Shrink int
	// Thumbnail Load the thumbnail instead of main image (for HEIF)
	Thumbnail bool
	// Unlimited Allow without size restrictions
	Unlimited bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
}

LoadOptions are options for loading an image. Some are type-specific.

func DefaultLoadOptions ¶

func DefaultLoadOptions() *LoadOptions

DefaultLoadOptions creates default LoadOptions

func (*LoadOptions) OptionString ¶

func (i *LoadOptions) OptionString() string

OptionString convert import params to option_string

type LogLevel ¶

type LogLevel int

LogLevel log level

const (
	LogLevelError    LogLevel = C.G_LOG_LEVEL_ERROR
	LogLevelCritical LogLevel = C.G_LOG_LEVEL_CRITICAL
	LogLevelWarning  LogLevel = C.G_LOG_LEVEL_WARNING
	LogLevelMessage  LogLevel = C.G_LOG_LEVEL_MESSAGE
	LogLevelInfo     LogLevel = C.G_LOG_LEVEL_INFO
	LogLevelDebug    LogLevel = C.G_LOG_LEVEL_DEBUG
)

LogLevel enum

type LoggingHandlerFunction ¶

type LoggingHandlerFunction func(messageDomain string, messageLevel LogLevel, message string)

LoggingHandlerFunction logging handler function

type LogmatOptions ¶

type LogmatOptions struct {
	// Separable Generate separable Gaussian
	Separable bool
	// Precision Generate with this precision
	Precision Precision
}

LogmatOptions optional arguments for vips_logmat

func DefaultLogmatOptions ¶

func DefaultLogmatOptions() *LogmatOptions

DefaultLogmatOptions creates default value for vips_logmat optional arguments

type MagickloadBufferOptions ¶

type MagickloadBufferOptions struct {
	// Density Canvas resolution for rendering vector formats like SVG
	Density string
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

MagickloadBufferOptions optional arguments for vips_magickload_buffer

func DefaultMagickloadBufferOptions ¶

func DefaultMagickloadBufferOptions() *MagickloadBufferOptions

DefaultMagickloadBufferOptions creates default value for vips_magickload_buffer optional arguments

type MagickloadOptions ¶

type MagickloadOptions struct {
	// Density Canvas resolution for rendering vector formats like SVG
	Density string
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

MagickloadOptions optional arguments for vips_magickload

func DefaultMagickloadOptions ¶

func DefaultMagickloadOptions() *MagickloadOptions

DefaultMagickloadOptions creates default value for vips_magickload optional arguments

type MagicksaveBufferOptions ¶

type MagicksaveBufferOptions struct {
	// Format Format to save in
	Format string
	// Quality Quality to use
	Quality int
	// OptimizeGifFrames Apply GIF frames optimization
	OptimizeGifFrames bool
	// OptimizeGifTransparency Apply GIF transparency optimization
	OptimizeGifTransparency bool
	// Bitdepth Number of bits per pixel
	Bitdepth int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

MagicksaveBufferOptions optional arguments for vips_magicksave_buffer

func DefaultMagicksaveBufferOptions ¶

func DefaultMagicksaveBufferOptions() *MagicksaveBufferOptions

DefaultMagicksaveBufferOptions creates default value for vips_magicksave_buffer optional arguments

type MagicksaveOptions ¶

type MagicksaveOptions struct {
	// Format Format to save in
	Format string
	// Quality Quality to use
	Quality int
	// OptimizeGifFrames Apply GIF frames optimization
	OptimizeGifFrames bool
	// OptimizeGifTransparency Apply GIF transparency optimization
	OptimizeGifTransparency bool
	// Bitdepth Number of bits per pixel
	Bitdepth int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

MagicksaveOptions optional arguments for vips_magicksave

func DefaultMagicksaveOptions ¶

func DefaultMagicksaveOptions() *MagicksaveOptions

DefaultMagicksaveOptions creates default value for vips_magicksave optional arguments

type MapimOptions ¶

type MapimOptions struct {
	// Interpolate Interpolate pixels with this
	Interpolate *Interpolate
	// Background Background value
	Background []float64
	// Premultiplied Images have premultiplied alpha
	Premultiplied bool
	// Extend How to generate the extra pixels
	Extend Extend
}

MapimOptions optional arguments for vips_mapim

func DefaultMapimOptions ¶

func DefaultMapimOptions() *MapimOptions

DefaultMapimOptions creates default value for vips_mapim optional arguments

type MaplutOptions ¶

type MaplutOptions struct {
	// Band Apply one-band lut to this band of in
	Band int
}

MaplutOptions optional arguments for vips_maplut

func DefaultMaplutOptions ¶

func DefaultMaplutOptions() *MaplutOptions

DefaultMaplutOptions creates default value for vips_maplut optional arguments

type MaskButterworthBandOptions ¶

type MaskButterworthBandOptions struct {
	// Uchar Output an unsigned char image
	Uchar bool
	// Nodc Remove DC component
	Nodc bool
	// Reject Invert the sense of the filter
	Reject bool
	// Optical Rotate quadrants to optical space
	Optical bool
}

MaskButterworthBandOptions optional arguments for vips_mask_butterworth_band

func DefaultMaskButterworthBandOptions ¶

func DefaultMaskButterworthBandOptions() *MaskButterworthBandOptions

DefaultMaskButterworthBandOptions creates default value for vips_mask_butterworth_band optional arguments

type MaskButterworthOptions ¶

type MaskButterworthOptions struct {
	// Uchar Output an unsigned char image
	Uchar bool
	// Nodc Remove DC component
	Nodc bool
	// Reject Invert the sense of the filter
	Reject bool
	// Optical Rotate quadrants to optical space
	Optical bool
}

MaskButterworthOptions optional arguments for vips_mask_butterworth

func DefaultMaskButterworthOptions ¶

func DefaultMaskButterworthOptions() *MaskButterworthOptions

DefaultMaskButterworthOptions creates default value for vips_mask_butterworth optional arguments

type MaskButterworthRingOptions ¶

type MaskButterworthRingOptions struct {
	// Uchar Output an unsigned char image
	Uchar bool
	// Nodc Remove DC component
	Nodc bool
	// Reject Invert the sense of the filter
	Reject bool
	// Optical Rotate quadrants to optical space
	Optical bool
}

MaskButterworthRingOptions optional arguments for vips_mask_butterworth_ring

func DefaultMaskButterworthRingOptions ¶

func DefaultMaskButterworthRingOptions() *MaskButterworthRingOptions

DefaultMaskButterworthRingOptions creates default value for vips_mask_butterworth_ring optional arguments

type MaskFractalOptions ¶

type MaskFractalOptions struct {
	// Uchar Output an unsigned char image
	Uchar bool
	// Nodc Remove DC component
	Nodc bool
	// Reject Invert the sense of the filter
	Reject bool
	// Optical Rotate quadrants to optical space
	Optical bool
}

MaskFractalOptions optional arguments for vips_mask_fractal

func DefaultMaskFractalOptions ¶

func DefaultMaskFractalOptions() *MaskFractalOptions

DefaultMaskFractalOptions creates default value for vips_mask_fractal optional arguments

type MaskGaussianBandOptions ¶

type MaskGaussianBandOptions struct {
	// Uchar Output an unsigned char image
	Uchar bool
	// Nodc Remove DC component
	Nodc bool
	// Reject Invert the sense of the filter
	Reject bool
	// Optical Rotate quadrants to optical space
	Optical bool
}

MaskGaussianBandOptions optional arguments for vips_mask_gaussian_band

func DefaultMaskGaussianBandOptions ¶

func DefaultMaskGaussianBandOptions() *MaskGaussianBandOptions

DefaultMaskGaussianBandOptions creates default value for vips_mask_gaussian_band optional arguments

type MaskGaussianOptions ¶

type MaskGaussianOptions struct {
	// Uchar Output an unsigned char image
	Uchar bool
	// Nodc Remove DC component
	Nodc bool
	// Reject Invert the sense of the filter
	Reject bool
	// Optical Rotate quadrants to optical space
	Optical bool
}

MaskGaussianOptions optional arguments for vips_mask_gaussian

func DefaultMaskGaussianOptions ¶

func DefaultMaskGaussianOptions() *MaskGaussianOptions

DefaultMaskGaussianOptions creates default value for vips_mask_gaussian optional arguments

type MaskGaussianRingOptions ¶

type MaskGaussianRingOptions struct {
	// Uchar Output an unsigned char image
	Uchar bool
	// Nodc Remove DC component
	Nodc bool
	// Reject Invert the sense of the filter
	Reject bool
	// Optical Rotate quadrants to optical space
	Optical bool
}

MaskGaussianRingOptions optional arguments for vips_mask_gaussian_ring

func DefaultMaskGaussianRingOptions ¶

func DefaultMaskGaussianRingOptions() *MaskGaussianRingOptions

DefaultMaskGaussianRingOptions creates default value for vips_mask_gaussian_ring optional arguments

type MaskIdealBandOptions ¶

type MaskIdealBandOptions struct {
	// Uchar Output an unsigned char image
	Uchar bool
	// Nodc Remove DC component
	Nodc bool
	// Reject Invert the sense of the filter
	Reject bool
	// Optical Rotate quadrants to optical space
	Optical bool
}

MaskIdealBandOptions optional arguments for vips_mask_ideal_band

func DefaultMaskIdealBandOptions ¶

func DefaultMaskIdealBandOptions() *MaskIdealBandOptions

DefaultMaskIdealBandOptions creates default value for vips_mask_ideal_band optional arguments

type MaskIdealOptions ¶

type MaskIdealOptions struct {
	// Uchar Output an unsigned char image
	Uchar bool
	// Nodc Remove DC component
	Nodc bool
	// Reject Invert the sense of the filter
	Reject bool
	// Optical Rotate quadrants to optical space
	Optical bool
}

MaskIdealOptions optional arguments for vips_mask_ideal

func DefaultMaskIdealOptions ¶

func DefaultMaskIdealOptions() *MaskIdealOptions

DefaultMaskIdealOptions creates default value for vips_mask_ideal optional arguments

type MaskIdealRingOptions ¶

type MaskIdealRingOptions struct {
	// Uchar Output an unsigned char image
	Uchar bool
	// Nodc Remove DC component
	Nodc bool
	// Reject Invert the sense of the filter
	Reject bool
	// Optical Rotate quadrants to optical space
	Optical bool
}

MaskIdealRingOptions optional arguments for vips_mask_ideal_ring

func DefaultMaskIdealRingOptions ¶

func DefaultMaskIdealRingOptions() *MaskIdealRingOptions

DefaultMaskIdealRingOptions creates default value for vips_mask_ideal_ring optional arguments

type MatchOptions ¶

type MatchOptions struct {
	// Hwindow Half window size
	Hwindow int
	// Harea Half area size
	Harea int
	// Search Search to improve tie-points
	Search bool
	// Interpolate Interpolate pixels with this
	Interpolate *Interpolate
}

MatchOptions optional arguments for vips_match

func DefaultMatchOptions ¶

func DefaultMatchOptions() *MatchOptions

DefaultMatchOptions creates default value for vips_match optional arguments

type MatloadOptions ¶ added in v0.0.5

type MatloadOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

MatloadOptions optional arguments for vips_matload

func DefaultMatloadOptions ¶ added in v0.0.5

func DefaultMatloadOptions() *MatloadOptions

DefaultMatloadOptions creates default value for vips_matload optional arguments

type MatrixloadOptions ¶

type MatrixloadOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

MatrixloadOptions optional arguments for vips_matrixload

func DefaultMatrixloadOptions ¶

func DefaultMatrixloadOptions() *MatrixloadOptions

DefaultMatrixloadOptions creates default value for vips_matrixload optional arguments

type MatrixloadSourceOptions ¶

type MatrixloadSourceOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

MatrixloadSourceOptions optional arguments for vips_matrixload_source

func DefaultMatrixloadSourceOptions ¶

func DefaultMatrixloadSourceOptions() *MatrixloadSourceOptions

DefaultMatrixloadSourceOptions creates default value for vips_matrixload_source optional arguments

type MatrixprintOptions ¶

type MatrixprintOptions struct {
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

MatrixprintOptions optional arguments for vips_matrixprint

func DefaultMatrixprintOptions ¶

func DefaultMatrixprintOptions() *MatrixprintOptions

DefaultMatrixprintOptions creates default value for vips_matrixprint optional arguments

type MatrixsaveOptions ¶

type MatrixsaveOptions struct {
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

MatrixsaveOptions optional arguments for vips_matrixsave

func DefaultMatrixsaveOptions ¶

func DefaultMatrixsaveOptions() *MatrixsaveOptions

DefaultMatrixsaveOptions creates default value for vips_matrixsave optional arguments

type MatrixsaveTargetOptions ¶ added in v1.1.0

type MatrixsaveTargetOptions struct {
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

MatrixsaveTargetOptions optional arguments for vips_matrixsave_target

func DefaultMatrixsaveTargetOptions ¶ added in v1.1.0

func DefaultMatrixsaveTargetOptions() *MatrixsaveTargetOptions

DefaultMatrixsaveTargetOptions creates default value for vips_matrixsave_target optional arguments

type MaxOptions ¶

type MaxOptions struct {
	// Size Number of maximum values to find
	Size int
}

MaxOptions optional arguments for vips_max

func DefaultMaxOptions ¶

func DefaultMaxOptions() *MaxOptions

DefaultMaxOptions creates default value for vips_max optional arguments

type MeasureOptions ¶

type MeasureOptions struct {
	// Left Left edge of extract area
	Left int
	// Top Top edge of extract area
	Top int
	// Width Width of extract area
	Width int
	// Height Height of extract area
	Height int
}

MeasureOptions optional arguments for vips_measure

func DefaultMeasureOptions ¶

func DefaultMeasureOptions() *MeasureOptions

DefaultMeasureOptions creates default value for vips_measure optional arguments

type MemoryStats ¶

type MemoryStats struct {
	Mem     int64
	MemHigh int64
	Files   int64
	Allocs  int64
}

MemoryStats is a data structure that houses various memory statistics from ReadVipsMemStats()

type MergeOptions ¶

type MergeOptions struct {
	// Mblend Maximum blend size
	Mblend int
}

MergeOptions optional arguments for vips_merge

func DefaultMergeOptions ¶

func DefaultMergeOptions() *MergeOptions

DefaultMergeOptions creates default value for vips_merge optional arguments

type MinOptions ¶

type MinOptions struct {
	// Size Number of minimum values to find
	Size int
}

MinOptions optional arguments for vips_min

func DefaultMinOptions ¶

func DefaultMinOptions() *MinOptions

DefaultMinOptions creates default value for vips_min optional arguments

type Mosaic1Options ¶

type Mosaic1Options struct {
	// Hwindow Half window size
	Hwindow int
	// Harea Half area size
	Harea int
	// Search Search to improve tie-points
	Search bool
	// Interpolate Interpolate pixels with this
	Interpolate *Interpolate
	// Mblend Maximum blend size
	Mblend int
}

Mosaic1Options optional arguments for vips_mosaic1

func DefaultMosaic1Options ¶

func DefaultMosaic1Options() *Mosaic1Options

DefaultMosaic1Options creates default value for vips_mosaic1 optional arguments

type MosaicOptions ¶

type MosaicOptions struct {
	// Hwindow Half window size
	Hwindow int
	// Harea Half area size
	Harea int
	// Mblend Maximum blend size
	Mblend int
	// Bandno Band to search for features on
	Bandno int
}

MosaicOptions optional arguments for vips_mosaic

func DefaultMosaicOptions ¶

func DefaultMosaicOptions() *MosaicOptions

DefaultMosaicOptions creates default value for vips_mosaic optional arguments

type MsbOptions ¶

type MsbOptions struct {
	// Band Band to msb
	Band int
}

MsbOptions optional arguments for vips_msb

func DefaultMsbOptions ¶

func DefaultMsbOptions() *MsbOptions

DefaultMsbOptions creates default value for vips_msb optional arguments

type NiftiloadOptions ¶ added in v0.2.0

type NiftiloadOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

NiftiloadOptions optional arguments for vips_niftiload

func DefaultNiftiloadOptions ¶ added in v0.2.0

func DefaultNiftiloadOptions() *NiftiloadOptions

DefaultNiftiloadOptions creates default value for vips_niftiload optional arguments

type NiftiloadSourceOptions ¶ added in v0.2.0

type NiftiloadSourceOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

NiftiloadSourceOptions optional arguments for vips_niftiload_source

func DefaultNiftiloadSourceOptions ¶ added in v0.2.0

func DefaultNiftiloadSourceOptions() *NiftiloadSourceOptions

DefaultNiftiloadSourceOptions creates default value for vips_niftiload_source optional arguments

type NiftisaveOptions ¶ added in v0.2.0

type NiftisaveOptions struct {
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

NiftisaveOptions optional arguments for vips_niftisave

func DefaultNiftisaveOptions ¶ added in v0.2.0

func DefaultNiftisaveOptions() *NiftisaveOptions

DefaultNiftisaveOptions creates default value for vips_niftisave optional arguments

type OpenexrloadOptions ¶

type OpenexrloadOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

OpenexrloadOptions optional arguments for vips_openexrload

func DefaultOpenexrloadOptions ¶

func DefaultOpenexrloadOptions() *OpenexrloadOptions

DefaultOpenexrloadOptions creates default value for vips_openexrload optional arguments

type OpenslideloadOptions ¶

type OpenslideloadOptions struct {
	// Level Load this level from the file
	Level int
	// Autocrop Crop to image bounds
	Autocrop bool
	// Associated Load this associated image
	Associated string
	// AttachAssociated Attach all associated images
	AttachAssociated bool
	// Rgb Output RGB (not RGBA)
	Rgb bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

OpenslideloadOptions optional arguments for vips_openslideload

func DefaultOpenslideloadOptions ¶

func DefaultOpenslideloadOptions() *OpenslideloadOptions

DefaultOpenslideloadOptions creates default value for vips_openslideload optional arguments

type OpenslideloadSourceOptions ¶

type OpenslideloadSourceOptions struct {
	// Level Load this level from the file
	Level int
	// Autocrop Crop to image bounds
	Autocrop bool
	// Associated Load this associated image
	Associated string
	// AttachAssociated Attach all associated images
	AttachAssociated bool
	// Rgb Output RGB (not RGBA)
	Rgb bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

OpenslideloadSourceOptions optional arguments for vips_openslideload_source

func DefaultOpenslideloadSourceOptions ¶

func DefaultOpenslideloadSourceOptions() *OpenslideloadSourceOptions

DefaultOpenslideloadSourceOptions creates default value for vips_openslideload_source optional arguments

type OperationBoolean ¶

type OperationBoolean int

OperationBoolean represents VipsOperationBoolean type

const (
	OperationBooleanAnd    OperationBoolean = C.VIPS_OPERATION_BOOLEAN_AND
	OperationBooleanOr     OperationBoolean = C.VIPS_OPERATION_BOOLEAN_OR
	OperationBooleanEor    OperationBoolean = C.VIPS_OPERATION_BOOLEAN_EOR
	OperationBooleanLshift OperationBoolean = C.VIPS_OPERATION_BOOLEAN_LSHIFT
	OperationBooleanRshift OperationBoolean = C.VIPS_OPERATION_BOOLEAN_RSHIFT
	OperationBooleanLast   OperationBoolean = C.VIPS_OPERATION_BOOLEAN_LAST
)

OperationBoolean enum

type OperationComplex ¶

type OperationComplex int

OperationComplex represents VipsOperationComplex type

const (
	OperationComplexPolar OperationComplex = C.VIPS_OPERATION_COMPLEX_POLAR
	OperationComplexRect  OperationComplex = C.VIPS_OPERATION_COMPLEX_RECT
	OperationComplexConj  OperationComplex = C.VIPS_OPERATION_COMPLEX_CONJ
	OperationComplexLast  OperationComplex = C.VIPS_OPERATION_COMPLEX_LAST
)

OperationComplex enum

type OperationComplex2 ¶

type OperationComplex2 int

OperationComplex2 represents VipsOperationComplex2 type

const (
	OperationComplex2CrossPhase OperationComplex2 = C.VIPS_OPERATION_COMPLEX2_CROSS_PHASE
	OperationComplex2Last       OperationComplex2 = C.VIPS_OPERATION_COMPLEX2_LAST
)

OperationComplex2 enum

type OperationComplexget ¶

type OperationComplexget int

OperationComplexget represents VipsOperationComplexget type

const (
	OperationComplexgetReal OperationComplexget = C.VIPS_OPERATION_COMPLEXGET_REAL
	OperationComplexgetImag OperationComplexget = C.VIPS_OPERATION_COMPLEXGET_IMAG
	OperationComplexgetLast OperationComplexget = C.VIPS_OPERATION_COMPLEXGET_LAST
)

OperationComplexget enum

type OperationMath ¶

type OperationMath int

OperationMath represents VipsOperationMath type

const (
	OperationMathSin   OperationMath = C.VIPS_OPERATION_MATH_SIN
	OperationMathCos   OperationMath = C.VIPS_OPERATION_MATH_COS
	OperationMathTan   OperationMath = C.VIPS_OPERATION_MATH_TAN
	OperationMathAsin  OperationMath = C.VIPS_OPERATION_MATH_ASIN
	OperationMathAcos  OperationMath = C.VIPS_OPERATION_MATH_ACOS
	OperationMathAtan  OperationMath = C.VIPS_OPERATION_MATH_ATAN
	OperationMathLog   OperationMath = C.VIPS_OPERATION_MATH_LOG
	OperationMathLog10 OperationMath = C.VIPS_OPERATION_MATH_LOG10
	OperationMathExp   OperationMath = C.VIPS_OPERATION_MATH_EXP
	OperationMathExp10 OperationMath = C.VIPS_OPERATION_MATH_EXP10
	OperationMathSinh  OperationMath = C.VIPS_OPERATION_MATH_SINH
	OperationMathCosh  OperationMath = C.VIPS_OPERATION_MATH_COSH
	OperationMathTanh  OperationMath = C.VIPS_OPERATION_MATH_TANH
	OperationMathAsinh OperationMath = C.VIPS_OPERATION_MATH_ASINH
	OperationMathAcosh OperationMath = C.VIPS_OPERATION_MATH_ACOSH
	OperationMathAtanh OperationMath = C.VIPS_OPERATION_MATH_ATANH
	OperationMathLast  OperationMath = C.VIPS_OPERATION_MATH_LAST
)

OperationMath enum

type OperationMath2 ¶

type OperationMath2 int

OperationMath2 represents VipsOperationMath2 type

const (
	OperationMath2Pow   OperationMath2 = C.VIPS_OPERATION_MATH2_POW
	OperationMath2Wop   OperationMath2 = C.VIPS_OPERATION_MATH2_WOP
	OperationMath2Atan2 OperationMath2 = C.VIPS_OPERATION_MATH2_ATAN2
	OperationMath2Last  OperationMath2 = C.VIPS_OPERATION_MATH2_LAST
)

OperationMath2 enum

type OperationMorphology ¶

type OperationMorphology int

OperationMorphology represents VipsOperationMorphology type

const (
	OperationMorphologyErode  OperationMorphology = C.VIPS_OPERATION_MORPHOLOGY_ERODE
	OperationMorphologyDilate OperationMorphology = C.VIPS_OPERATION_MORPHOLOGY_DILATE
	OperationMorphologyLast   OperationMorphology = C.VIPS_OPERATION_MORPHOLOGY_LAST
)

OperationMorphology enum

type OperationRelational ¶

type OperationRelational int

OperationRelational represents VipsOperationRelational type

const (
	OperationRelationalEqual  OperationRelational = C.VIPS_OPERATION_RELATIONAL_EQUAL
	OperationRelationalNoteq  OperationRelational = C.VIPS_OPERATION_RELATIONAL_NOTEQ
	OperationRelationalLess   OperationRelational = C.VIPS_OPERATION_RELATIONAL_LESS
	OperationRelationalLesseq OperationRelational = C.VIPS_OPERATION_RELATIONAL_LESSEQ
	OperationRelationalMore   OperationRelational = C.VIPS_OPERATION_RELATIONAL_MORE
	OperationRelationalMoreeq OperationRelational = C.VIPS_OPERATION_RELATIONAL_MOREEQ
	OperationRelationalLast   OperationRelational = C.VIPS_OPERATION_RELATIONAL_LAST
)

OperationRelational enum

type OperationRound ¶

type OperationRound int

OperationRound represents VipsOperationRound type

const (
	OperationRoundRint  OperationRound = C.VIPS_OPERATION_ROUND_RINT
	OperationRoundCeil  OperationRound = C.VIPS_OPERATION_ROUND_CEIL
	OperationRoundFloor OperationRound = C.VIPS_OPERATION_ROUND_FLOOR
	OperationRoundLast  OperationRound = C.VIPS_OPERATION_ROUND_LAST
)

OperationRound enum

type PCS ¶

type PCS int

PCS represents VipsPCS type

const (
	PcsLab  PCS = C.VIPS_PCS_LAB
	PcsXyz  PCS = C.VIPS_PCS_XYZ
	PcsLast PCS = C.VIPS_PCS_LAST
)

PCS enum

type PdfloadBufferOptions ¶

type PdfloadBufferOptions struct {
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Dpi DPI to render at
	Dpi float64
	// Scale Factor to scale by
	Scale float64
	// Background Background colour
	Background []float64
	// Password Password to decrypt with
	Password string
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

PdfloadBufferOptions optional arguments for vips_pdfload_buffer

func DefaultPdfloadBufferOptions ¶

func DefaultPdfloadBufferOptions() *PdfloadBufferOptions

DefaultPdfloadBufferOptions creates default value for vips_pdfload_buffer optional arguments

type PdfloadOptions ¶

type PdfloadOptions struct {
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Dpi DPI to render at
	Dpi float64
	// Scale Factor to scale by
	Scale float64
	// Background Background colour
	Background []float64
	// Password Password to decrypt with
	Password string
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

PdfloadOptions optional arguments for vips_pdfload

func DefaultPdfloadOptions ¶

func DefaultPdfloadOptions() *PdfloadOptions

DefaultPdfloadOptions creates default value for vips_pdfload optional arguments

type PdfloadSourceOptions ¶

type PdfloadSourceOptions struct {
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Dpi DPI to render at
	Dpi float64
	// Scale Factor to scale by
	Scale float64
	// Background Background colour
	Background []float64
	// Password Password to decrypt with
	Password string
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

PdfloadSourceOptions optional arguments for vips_pdfload_source

func DefaultPdfloadSourceOptions ¶

func DefaultPdfloadSourceOptions() *PdfloadSourceOptions

DefaultPdfloadSourceOptions creates default value for vips_pdfload_source optional arguments

type PerlinOptions ¶

type PerlinOptions struct {
	// CellSize Size of Perlin cells
	CellSize int
	// Uchar Output an unsigned char image
	Uchar bool
	// Seed Random number seed
	Seed int
}

PerlinOptions optional arguments for vips_perlin

func DefaultPerlinOptions ¶

func DefaultPerlinOptions() *PerlinOptions

DefaultPerlinOptions creates default value for vips_perlin optional arguments

type PngFilter ¶

type PngFilter int

PngFilter represents VipsForeignPngFilter type

const (
	PngFilterNone  PngFilter = C.VIPS_FOREIGN_PNG_FILTER_NONE
	PngFilterSub   PngFilter = C.VIPS_FOREIGN_PNG_FILTER_SUB
	PngFilterUp    PngFilter = C.VIPS_FOREIGN_PNG_FILTER_UP
	PngFilterAvg   PngFilter = C.VIPS_FOREIGN_PNG_FILTER_AVG
	PngFilterPaeth PngFilter = C.VIPS_FOREIGN_PNG_FILTER_PAETH
	PngFilterAll   PngFilter = C.VIPS_FOREIGN_PNG_FILTER_ALL
)

PngFilter enum

type PngloadBufferOptions ¶

type PngloadBufferOptions struct {
	// Unlimited Remove all denial of service limits
	Unlimited bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

PngloadBufferOptions optional arguments for vips_pngload_buffer

func DefaultPngloadBufferOptions ¶

func DefaultPngloadBufferOptions() *PngloadBufferOptions

DefaultPngloadBufferOptions creates default value for vips_pngload_buffer optional arguments

type PngloadOptions ¶

type PngloadOptions struct {
	// Unlimited Remove all denial of service limits
	Unlimited bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

PngloadOptions optional arguments for vips_pngload

func DefaultPngloadOptions ¶

func DefaultPngloadOptions() *PngloadOptions

DefaultPngloadOptions creates default value for vips_pngload optional arguments

type PngloadSourceOptions ¶

type PngloadSourceOptions struct {
	// Unlimited Remove all denial of service limits
	Unlimited bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

PngloadSourceOptions optional arguments for vips_pngload_source

func DefaultPngloadSourceOptions ¶

func DefaultPngloadSourceOptions() *PngloadSourceOptions

DefaultPngloadSourceOptions creates default value for vips_pngload_source optional arguments

type PngsaveBufferOptions ¶

type PngsaveBufferOptions struct {
	// Compression Compression factor
	Compression int
	// Interlace Interlace image
	Interlace bool
	// Filter libpng row filter flag(s)
	Filter PngFilter
	// Palette Quantise to 8bpp palette
	Palette bool
	// Q Quantisation quality
	Q int
	// Dither Amount of dithering
	Dither float64
	// Bitdepth Write as a 1, 2, 4, 8 or 16 bit image
	Bitdepth int
	// Effort Quantisation CPU effort
	Effort int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

PngsaveBufferOptions optional arguments for vips_pngsave_buffer

func DefaultPngsaveBufferOptions ¶

func DefaultPngsaveBufferOptions() *PngsaveBufferOptions

DefaultPngsaveBufferOptions creates default value for vips_pngsave_buffer optional arguments

type PngsaveOptions ¶

type PngsaveOptions struct {
	// Compression Compression factor
	Compression int
	// Interlace Interlace image
	Interlace bool
	// Filter libpng row filter flag(s)
	Filter PngFilter
	// Palette Quantise to 8bpp palette
	Palette bool
	// Q Quantisation quality
	Q int
	// Dither Amount of dithering
	Dither float64
	// Bitdepth Write as a 1, 2, 4, 8 or 16 bit image
	Bitdepth int
	// Effort Quantisation CPU effort
	Effort int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

PngsaveOptions optional arguments for vips_pngsave

func DefaultPngsaveOptions ¶

func DefaultPngsaveOptions() *PngsaveOptions

DefaultPngsaveOptions creates default value for vips_pngsave optional arguments

type PngsaveTargetOptions ¶ added in v1.1.0

type PngsaveTargetOptions struct {
	// Compression Compression factor
	Compression int
	// Interlace Interlace image
	Interlace bool
	// Filter libpng row filter flag(s)
	Filter PngFilter
	// Palette Quantise to 8bpp palette
	Palette bool
	// Q Quantisation quality
	Q int
	// Dither Amount of dithering
	Dither float64
	// Bitdepth Write as a 1, 2, 4, 8 or 16 bit image
	Bitdepth int
	// Effort Quantisation CPU effort
	Effort int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

PngsaveTargetOptions optional arguments for vips_pngsave_target

func DefaultPngsaveTargetOptions ¶ added in v1.1.0

func DefaultPngsaveTargetOptions() *PngsaveTargetOptions

DefaultPngsaveTargetOptions creates default value for vips_pngsave_target optional arguments

type PpmFormat ¶

type PpmFormat int

PpmFormat represents VipsForeignPpmFormat type

const (
	PpmFormatPbm  PpmFormat = C.VIPS_FOREIGN_PPM_FORMAT_PBM
	PpmFormatPgm  PpmFormat = C.VIPS_FOREIGN_PPM_FORMAT_PGM
	PpmFormatPpm  PpmFormat = C.VIPS_FOREIGN_PPM_FORMAT_PPM
	PpmFormatPfm  PpmFormat = C.VIPS_FOREIGN_PPM_FORMAT_PFM
	PpmFormatPnm  PpmFormat = C.VIPS_FOREIGN_PPM_FORMAT_PNM
	PpmFormatLast PpmFormat = C.VIPS_FOREIGN_PPM_FORMAT_LAST
)

PpmFormat enum

type PpmloadBufferOptions ¶ added in v1.1.1

type PpmloadBufferOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

PpmloadBufferOptions optional arguments for vips_ppmload_buffer

func DefaultPpmloadBufferOptions ¶ added in v1.1.1

func DefaultPpmloadBufferOptions() *PpmloadBufferOptions

DefaultPpmloadBufferOptions creates default value for vips_ppmload_buffer optional arguments

type PpmloadOptions ¶

type PpmloadOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

PpmloadOptions optional arguments for vips_ppmload

func DefaultPpmloadOptions ¶

func DefaultPpmloadOptions() *PpmloadOptions

DefaultPpmloadOptions creates default value for vips_ppmload optional arguments

type PpmloadSourceOptions ¶

type PpmloadSourceOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

PpmloadSourceOptions optional arguments for vips_ppmload_source

func DefaultPpmloadSourceOptions ¶

func DefaultPpmloadSourceOptions() *PpmloadSourceOptions

DefaultPpmloadSourceOptions creates default value for vips_ppmload_source optional arguments

type PpmsaveOptions ¶

type PpmsaveOptions struct {
	// Format Format to save in
	Format PpmFormat
	// Ascii Save as ascii
	Ascii bool
	// Bitdepth Set to 1 to write as a 1 bit image
	Bitdepth int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

PpmsaveOptions optional arguments for vips_ppmsave

func DefaultPpmsaveOptions ¶

func DefaultPpmsaveOptions() *PpmsaveOptions

DefaultPpmsaveOptions creates default value for vips_ppmsave optional arguments

type PpmsaveTargetOptions ¶ added in v1.1.0

type PpmsaveTargetOptions struct {
	// Format Format to save in
	Format PpmFormat
	// Ascii Save as ascii
	Ascii bool
	// Bitdepth Set to 1 to write as a 1 bit image
	Bitdepth int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

PpmsaveTargetOptions optional arguments for vips_ppmsave_target

func DefaultPpmsaveTargetOptions ¶ added in v1.1.0

func DefaultPpmsaveTargetOptions() *PpmsaveTargetOptions

DefaultPpmsaveTargetOptions creates default value for vips_ppmsave_target optional arguments

type Precision ¶

type Precision int

Precision represents VipsPrecision type

const (
	PrecisionInteger     Precision = C.VIPS_PRECISION_INTEGER
	PrecisionFloat       Precision = C.VIPS_PRECISION_FLOAT
	PrecisionApproximate Precision = C.VIPS_PRECISION_APPROXIMATE
	PrecisionLast        Precision = C.VIPS_PRECISION_LAST
)

Precision enum

type PremultiplyOptions ¶

type PremultiplyOptions struct {
	// MaxAlpha Maximum value of alpha channel
	MaxAlpha float64
}

PremultiplyOptions optional arguments for vips_premultiply

func DefaultPremultiplyOptions ¶

func DefaultPremultiplyOptions() *PremultiplyOptions

DefaultPremultiplyOptions creates default value for vips_premultiply optional arguments

type QuadraticOptions ¶

type QuadraticOptions struct {
	// Interpolate Interpolate values with this
	Interpolate *Interpolate
}

QuadraticOptions optional arguments for vips_quadratic

func DefaultQuadraticOptions ¶

func DefaultQuadraticOptions() *QuadraticOptions

DefaultQuadraticOptions creates default value for vips_quadratic optional arguments

type RadloadBufferOptions ¶

type RadloadBufferOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

RadloadBufferOptions optional arguments for vips_radload_buffer

func DefaultRadloadBufferOptions ¶

func DefaultRadloadBufferOptions() *RadloadBufferOptions

DefaultRadloadBufferOptions creates default value for vips_radload_buffer optional arguments

type RadloadOptions ¶

type RadloadOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

RadloadOptions optional arguments for vips_radload

func DefaultRadloadOptions ¶

func DefaultRadloadOptions() *RadloadOptions

DefaultRadloadOptions creates default value for vips_radload optional arguments

type RadloadSourceOptions ¶

type RadloadSourceOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

RadloadSourceOptions optional arguments for vips_radload_source

func DefaultRadloadSourceOptions ¶

func DefaultRadloadSourceOptions() *RadloadSourceOptions

DefaultRadloadSourceOptions creates default value for vips_radload_source optional arguments

type RadsaveBufferOptions ¶

type RadsaveBufferOptions struct {
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

RadsaveBufferOptions optional arguments for vips_radsave_buffer

func DefaultRadsaveBufferOptions ¶

func DefaultRadsaveBufferOptions() *RadsaveBufferOptions

DefaultRadsaveBufferOptions creates default value for vips_radsave_buffer optional arguments

type RadsaveOptions ¶

type RadsaveOptions struct {
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

RadsaveOptions optional arguments for vips_radsave

func DefaultRadsaveOptions ¶

func DefaultRadsaveOptions() *RadsaveOptions

DefaultRadsaveOptions creates default value for vips_radsave optional arguments

type RadsaveTargetOptions ¶ added in v1.1.0

type RadsaveTargetOptions struct {
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

RadsaveTargetOptions optional arguments for vips_radsave_target

func DefaultRadsaveTargetOptions ¶ added in v1.1.0

func DefaultRadsaveTargetOptions() *RadsaveTargetOptions

DefaultRadsaveTargetOptions creates default value for vips_radsave_target optional arguments

type RawloadOptions ¶

type RawloadOptions struct {
	// Offset Offset in bytes from start of file
	Offset uint64
	// Format Pixel format in image
	Format BandFormat
	// Interpretation Pixel interpretation
	Interpretation Interpretation
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

RawloadOptions optional arguments for vips_rawload

func DefaultRawloadOptions ¶

func DefaultRawloadOptions() *RawloadOptions

DefaultRawloadOptions creates default value for vips_rawload optional arguments

type RawsaveBufferOptions ¶

type RawsaveBufferOptions struct {
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

RawsaveBufferOptions optional arguments for vips_rawsave_buffer

func DefaultRawsaveBufferOptions ¶

func DefaultRawsaveBufferOptions() *RawsaveBufferOptions

DefaultRawsaveBufferOptions creates default value for vips_rawsave_buffer optional arguments

type RawsaveOptions ¶

type RawsaveOptions struct {
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

RawsaveOptions optional arguments for vips_rawsave

func DefaultRawsaveOptions ¶

func DefaultRawsaveOptions() *RawsaveOptions

DefaultRawsaveOptions creates default value for vips_rawsave optional arguments

type RawsaveTargetOptions ¶ added in v1.1.0

type RawsaveTargetOptions struct {
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

RawsaveTargetOptions optional arguments for vips_rawsave_target

func DefaultRawsaveTargetOptions ¶ added in v1.1.0

func DefaultRawsaveTargetOptions() *RawsaveTargetOptions

DefaultRawsaveTargetOptions creates default value for vips_rawsave_target optional arguments

type ReduceOptions ¶

type ReduceOptions struct {
	// Kernel Resampling kernel
	Kernel Kernel
	// Gap Reducing gap
	Gap float64
}

ReduceOptions optional arguments for vips_reduce

func DefaultReduceOptions ¶

func DefaultReduceOptions() *ReduceOptions

DefaultReduceOptions creates default value for vips_reduce optional arguments

type ReducehOptions ¶

type ReducehOptions struct {
	// Kernel Resampling kernel
	Kernel Kernel
	// Gap Reducing gap
	Gap float64
}

ReducehOptions optional arguments for vips_reduceh

func DefaultReducehOptions ¶

func DefaultReducehOptions() *ReducehOptions

DefaultReducehOptions creates default value for vips_reduceh optional arguments

type ReducevOptions ¶

type ReducevOptions struct {
	// Kernel Resampling kernel
	Kernel Kernel
	// Gap Reducing gap
	Gap float64
}

ReducevOptions optional arguments for vips_reducev

func DefaultReducevOptions ¶

func DefaultReducevOptions() *ReducevOptions

DefaultReducevOptions creates default value for vips_reducev optional arguments

type RegionShrink ¶

type RegionShrink int

RegionShrink represents VipsRegionShrink type

const (
	RegionShrinkMean    RegionShrink = C.VIPS_REGION_SHRINK_MEAN
	RegionShrinkMedian  RegionShrink = C.VIPS_REGION_SHRINK_MEDIAN
	RegionShrinkMode    RegionShrink = C.VIPS_REGION_SHRINK_MODE
	RegionShrinkMax     RegionShrink = C.VIPS_REGION_SHRINK_MAX
	RegionShrinkMin     RegionShrink = C.VIPS_REGION_SHRINK_MIN
	RegionShrinkNearest RegionShrink = C.VIPS_REGION_SHRINK_NEAREST
	RegionShrinkLast    RegionShrink = C.VIPS_REGION_SHRINK_LAST
)

RegionShrink enum

type ResizeOptions ¶

type ResizeOptions struct {
	// Kernel Resampling kernel
	Kernel Kernel
	// Gap Reducing gap
	Gap float64
	// Vscale Vertical scale image by this factor
	Vscale float64
}

ResizeOptions optional arguments for vips_resize

func DefaultResizeOptions ¶

func DefaultResizeOptions() *ResizeOptions

DefaultResizeOptions creates default value for vips_resize optional arguments

type Rot45Options ¶

type Rot45Options struct {
	// Angle Angle to rotate image
	Angle Angle45
}

Rot45Options optional arguments for vips_rot45

func DefaultRot45Options ¶

func DefaultRot45Options() *Rot45Options

DefaultRot45Options creates default value for vips_rot45 optional arguments

type RotateOptions ¶

type RotateOptions struct {
	// Interpolate Interpolate pixels with this
	Interpolate *Interpolate
	// Background Background value
	Background []float64
	// Odx Horizontal output displacement
	Odx float64
	// Ody Vertical output displacement
	Ody float64
	// Idx Horizontal input displacement
	Idx float64
	// Idy Vertical input displacement
	Idy float64
}

RotateOptions optional arguments for vips_rotate

func DefaultRotateOptions ¶

func DefaultRotateOptions() *RotateOptions

DefaultRotateOptions creates default value for vips_rotate optional arguments

type ScRGB2BWOptions ¶

type ScRGB2BWOptions struct {
	// Depth Output device space depth in bits
	Depth int
}

ScRGB2BWOptions optional arguments for vips_scRGB2BW

func DefaultScRGB2BWOptions ¶

func DefaultScRGB2BWOptions() *ScRGB2BWOptions

DefaultScRGB2BWOptions creates default value for vips_scRGB2BW optional arguments

type ScRGB2sRGBOptions ¶

type ScRGB2sRGBOptions struct {
	// Depth Output device space depth in bits
	Depth int
}

ScRGB2sRGBOptions optional arguments for vips_scRGB2sRGB

func DefaultScRGB2sRGBOptions ¶

func DefaultScRGB2sRGBOptions() *ScRGB2sRGBOptions

DefaultScRGB2sRGBOptions creates default value for vips_scRGB2sRGB optional arguments

type ScaleOptions ¶

type ScaleOptions struct {
	// Exp Exponent for log scale
	Exp float64
	// Log Log scale
	Log bool
}

ScaleOptions optional arguments for vips_scale

func DefaultScaleOptions ¶

func DefaultScaleOptions() *ScaleOptions

DefaultScaleOptions creates default value for vips_scale optional arguments

type SdfOptions ¶

type SdfOptions struct {
	// R Radius
	R float64
	// A Point a
	A []float64
	// B Point b
	B []float64
	// Corners Corner radii
	Corners []float64
}

SdfOptions optional arguments for vips_sdf

func DefaultSdfOptions ¶

func DefaultSdfOptions() *SdfOptions

DefaultSdfOptions creates default value for vips_sdf optional arguments

type SdfShape ¶

type SdfShape int

SdfShape represents VipsSdfShape type

const (
	SdfShapeCircle     SdfShape = C.VIPS_SDF_SHAPE_CIRCLE
	SdfShapeBox        SdfShape = C.VIPS_SDF_SHAPE_BOX
	SdfShapeRoundedBox SdfShape = C.VIPS_SDF_SHAPE_ROUNDED_BOX
	SdfShapeLine       SdfShape = C.VIPS_SDF_SHAPE_LINE
	SdfShapeLast       SdfShape = C.VIPS_SDF_SHAPE_LAST
)

SdfShape enum

type SequentialOptions ¶

type SequentialOptions struct {
	// TileHeight Tile height in pixels
	TileHeight int
}

SequentialOptions optional arguments for vips_sequential

func DefaultSequentialOptions ¶

func DefaultSequentialOptions() *SequentialOptions

DefaultSequentialOptions creates default value for vips_sequential optional arguments

type SharpenOptions ¶

type SharpenOptions struct {
	// Sigma Sigma of Gaussian
	Sigma float64
	// X1 Flat/jaggy threshold
	X1 float64
	// Y2 Maximum brightening
	Y2 float64
	// Y3 Maximum darkening
	Y3 float64
	// M1 Slope for flat areas
	M1 float64
	// M2 Slope for jaggy areas
	M2 float64
}

SharpenOptions optional arguments for vips_sharpen

func DefaultSharpenOptions ¶

func DefaultSharpenOptions() *SharpenOptions

DefaultSharpenOptions creates default value for vips_sharpen optional arguments

type ShrinkOptions ¶

type ShrinkOptions struct {
	// Ceil Round-up output dimensions
	Ceil bool
}

ShrinkOptions optional arguments for vips_shrink

func DefaultShrinkOptions ¶

func DefaultShrinkOptions() *ShrinkOptions

DefaultShrinkOptions creates default value for vips_shrink optional arguments

type ShrinkhOptions ¶

type ShrinkhOptions struct {
	// Ceil Round-up output dimensions
	Ceil bool
}

ShrinkhOptions optional arguments for vips_shrinkh

func DefaultShrinkhOptions ¶

func DefaultShrinkhOptions() *ShrinkhOptions

DefaultShrinkhOptions creates default value for vips_shrinkh optional arguments

type ShrinkvOptions ¶

type ShrinkvOptions struct {
	// Ceil Round-up output dimensions
	Ceil bool
}

ShrinkvOptions optional arguments for vips_shrinkv

func DefaultShrinkvOptions ¶

func DefaultShrinkvOptions() *ShrinkvOptions

DefaultShrinkvOptions creates default value for vips_shrinkv optional arguments

type SimilarityOptions ¶

type SimilarityOptions struct {
	// Scale Scale by this factor
	Scale float64
	// Angle Rotate clockwise by this many degrees
	Angle float64
	// Interpolate Interpolate pixels with this
	Interpolate *Interpolate
	// Background Background value
	Background []float64
	// Odx Horizontal output displacement
	Odx float64
	// Ody Vertical output displacement
	Ody float64
	// Idx Horizontal input displacement
	Idx float64
	// Idy Vertical input displacement
	Idy float64
}

SimilarityOptions optional arguments for vips_similarity

func DefaultSimilarityOptions ¶

func DefaultSimilarityOptions() *SimilarityOptions

DefaultSimilarityOptions creates default value for vips_similarity optional arguments

type SinesOptions ¶

type SinesOptions struct {
	// Uchar Output an unsigned char image
	Uchar bool
	// Hfreq Horizontal spatial frequency
	Hfreq float64
	// Vfreq Vertical spatial frequency
	Vfreq float64
}

SinesOptions optional arguments for vips_sines

func DefaultSinesOptions ¶

func DefaultSinesOptions() *SinesOptions

DefaultSinesOptions creates default value for vips_sines optional arguments

type Size ¶

type Size int

Size represents VipsSize type

const (
	SizeBoth  Size = C.VIPS_SIZE_BOTH
	SizeUp    Size = C.VIPS_SIZE_UP
	SizeDown  Size = C.VIPS_SIZE_DOWN
	SizeForce Size = C.VIPS_SIZE_FORCE
	SizeLast  Size = C.VIPS_SIZE_LAST
)

Size enum

type SmartcropOptions ¶

type SmartcropOptions struct {
	// Interesting How to measure interestingness
	Interesting Interesting
	// Premultiplied Input image already has premultiplied alpha
	Premultiplied bool
}

SmartcropOptions optional arguments for vips_smartcrop

func DefaultSmartcropOptions ¶

func DefaultSmartcropOptions() *SmartcropOptions

DefaultSmartcropOptions creates default value for vips_smartcrop optional arguments

type Source ¶

type Source struct {
	// contains filtered or unexported fields
}

Source contains a libvips VipsSourceCustom and manages its lifecycle.

func NewSource ¶

func NewSource(reader io.ReadCloser) *Source

NewSource creates Source from reader

func (*Source) Close ¶

func (s *Source) Close()

Close source

type StdifOptions ¶

type StdifOptions struct {
	// S0 New deviation
	S0 float64
	// B Weight of new deviation
	B float64
	// M0 New mean
	M0 float64
	// A Weight of new mean
	A float64
}

StdifOptions optional arguments for vips_stdif

func DefaultStdifOptions ¶

func DefaultStdifOptions() *StdifOptions

DefaultStdifOptions creates default value for vips_stdif optional arguments

type Subsample ¶

type Subsample int

Subsample represents VipsForeignSubsample type

const (
	SubsampleAuto Subsample = C.VIPS_FOREIGN_SUBSAMPLE_AUTO
	SubsampleOn   Subsample = C.VIPS_FOREIGN_SUBSAMPLE_ON
	SubsampleOff  Subsample = C.VIPS_FOREIGN_SUBSAMPLE_OFF
	SubsampleLast Subsample = C.VIPS_FOREIGN_SUBSAMPLE_LAST
)

Subsample enum

type SubsampleOptions ¶

type SubsampleOptions struct {
	// Point Point sample
	Point bool
}

SubsampleOptions optional arguments for vips_subsample

func DefaultSubsampleOptions ¶

func DefaultSubsampleOptions() *SubsampleOptions

DefaultSubsampleOptions creates default value for vips_subsample optional arguments

type SvgloadBufferOptions ¶

type SvgloadBufferOptions struct {
	// Dpi Render at this DPI
	Dpi float64
	// Scale Scale output by this factor
	Scale float64
	// Unlimited Allow SVG of any size
	Unlimited bool
	// Stylesheet Custom CSS
	Stylesheet string
	// HighBitdepth Enable scRGB 128-bit output (32-bit per channel)
	HighBitdepth bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

SvgloadBufferOptions optional arguments for vips_svgload_buffer

func DefaultSvgloadBufferOptions ¶

func DefaultSvgloadBufferOptions() *SvgloadBufferOptions

DefaultSvgloadBufferOptions creates default value for vips_svgload_buffer optional arguments

type SvgloadOptions ¶

type SvgloadOptions struct {
	// Dpi Render at this DPI
	Dpi float64
	// Scale Scale output by this factor
	Scale float64
	// Unlimited Allow SVG of any size
	Unlimited bool
	// Stylesheet Custom CSS
	Stylesheet string
	// HighBitdepth Enable scRGB 128-bit output (32-bit per channel)
	HighBitdepth bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

SvgloadOptions optional arguments for vips_svgload

func DefaultSvgloadOptions ¶

func DefaultSvgloadOptions() *SvgloadOptions

DefaultSvgloadOptions creates default value for vips_svgload optional arguments

type SvgloadSourceOptions ¶

type SvgloadSourceOptions struct {
	// Dpi Render at this DPI
	Dpi float64
	// Scale Scale output by this factor
	Scale float64
	// Unlimited Allow SVG of any size
	Unlimited bool
	// Stylesheet Custom CSS
	Stylesheet string
	// HighBitdepth Enable scRGB 128-bit output (32-bit per channel)
	HighBitdepth bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

SvgloadSourceOptions optional arguments for vips_svgload_source

func DefaultSvgloadSourceOptions ¶

func DefaultSvgloadSourceOptions() *SvgloadSourceOptions

DefaultSvgloadSourceOptions creates default value for vips_svgload_source optional arguments

type SystemOptions ¶

type SystemOptions struct {
	// In Array of input images
	In []*Image
	// OutFormat Format for output filename
	OutFormat string
	// InFormat Format for input filename
	InFormat string
}

SystemOptions optional arguments for vips_system

func DefaultSystemOptions ¶

func DefaultSystemOptions() *SystemOptions

DefaultSystemOptions creates default value for vips_system optional arguments

type Target ¶ added in v1.1.0

type Target struct {
	// contains filtered or unexported fields
}

Target contains a libvips VipsTargetCustom and manages its lifecycle.

func NewTarget ¶ added in v1.1.0

func NewTarget(writer io.WriteCloser) *Target

NewTarget creates Target from writer

func (*Target) Close ¶ added in v1.1.0

func (t *Target) Close()

Close target

type TextOptions ¶

type TextOptions struct {
	// Font Font to render with
	Font string
	// Width Maximum image width in pixels
	Width int
	// Height Maximum image height in pixels
	Height int
	// Align Align on the low, centre or high edge
	Align Align
	// Justify Justify lines
	Justify bool
	// Dpi DPI to render at
	Dpi int
	// Spacing Line spacing
	Spacing int
	// Fontfile Load this font file
	Fontfile string
	// Rgba Enable RGBA output
	Rgba bool
	// Wrap Wrap lines on word or character boundaries
	Wrap TextWrap
}

TextOptions optional arguments for vips_text

func DefaultTextOptions ¶

func DefaultTextOptions() *TextOptions

DefaultTextOptions creates default value for vips_text optional arguments

type TextWrap ¶

type TextWrap int

TextWrap represents VipsTextWrap type

const (
	TextWrapWord     TextWrap = C.VIPS_TEXT_WRAP_WORD
	TextWrapChar     TextWrap = C.VIPS_TEXT_WRAP_CHAR
	TextWrapWordChar TextWrap = C.VIPS_TEXT_WRAP_WORD_CHAR
	TextWrapNone     TextWrap = C.VIPS_TEXT_WRAP_NONE
	TextWrapLast     TextWrap = C.VIPS_TEXT_WRAP_LAST
)

TextWrap enum

type ThumbnailBufferOptions ¶

type ThumbnailBufferOptions struct {
	// OptionString Options that are passed on to the underlying loader
	OptionString string
	// Height Size to this height
	Height int
	// Size Only upsize, only downsize, or both
	Size Size
	// NoRotate Don't use orientation tags to rotate image upright
	NoRotate bool
	// Crop Reduce to fill target rectangle, then crop
	Crop Interesting
	// Linear Reduce in linear light
	Linear bool
	// InputProfile Fallback input profile
	InputProfile string
	// OutputProfile Fallback output profile
	OutputProfile string
	// Intent Rendering intent
	Intent Intent
	// FailOn Error level to fail on
	FailOn FailOn
}

ThumbnailBufferOptions optional arguments for vips_thumbnail_buffer

func DefaultThumbnailBufferOptions ¶

func DefaultThumbnailBufferOptions() *ThumbnailBufferOptions

DefaultThumbnailBufferOptions creates default value for vips_thumbnail_buffer optional arguments

type ThumbnailImageOptions ¶

type ThumbnailImageOptions struct {
	// Height Size to this height
	Height int
	// Size Only upsize, only downsize, or both
	Size Size
	// NoRotate Don't use orientation tags to rotate image upright
	NoRotate bool
	// Crop Reduce to fill target rectangle, then crop
	Crop Interesting
	// Linear Reduce in linear light
	Linear bool
	// InputProfile Fallback input profile
	InputProfile string
	// OutputProfile Fallback output profile
	OutputProfile string
	// Intent Rendering intent
	Intent Intent
	// FailOn Error level to fail on
	FailOn FailOn
}

ThumbnailImageOptions optional arguments for vips_thumbnail_image

func DefaultThumbnailImageOptions ¶

func DefaultThumbnailImageOptions() *ThumbnailImageOptions

DefaultThumbnailImageOptions creates default value for vips_thumbnail_image optional arguments

type ThumbnailOptions ¶

type ThumbnailOptions struct {
	// Height Size to this height
	Height int
	// Size Only upsize, only downsize, or both
	Size Size
	// NoRotate Don't use orientation tags to rotate image upright
	NoRotate bool
	// Crop Reduce to fill target rectangle, then crop
	Crop Interesting
	// Linear Reduce in linear light
	Linear bool
	// InputProfile Fallback input profile
	InputProfile string
	// OutputProfile Fallback output profile
	OutputProfile string
	// Intent Rendering intent
	Intent Intent
	// FailOn Error level to fail on
	FailOn FailOn
}

ThumbnailOptions optional arguments for vips_thumbnail

func DefaultThumbnailOptions ¶

func DefaultThumbnailOptions() *ThumbnailOptions

DefaultThumbnailOptions creates default value for vips_thumbnail optional arguments

type ThumbnailSourceOptions ¶

type ThumbnailSourceOptions struct {
	// OptionString Options that are passed on to the underlying loader
	OptionString string
	// Height Size to this height
	Height int
	// Size Only upsize, only downsize, or both
	Size Size
	// NoRotate Don't use orientation tags to rotate image upright
	NoRotate bool
	// Crop Reduce to fill target rectangle, then crop
	Crop Interesting
	// Linear Reduce in linear light
	Linear bool
	// InputProfile Fallback input profile
	InputProfile string
	// OutputProfile Fallback output profile
	OutputProfile string
	// Intent Rendering intent
	Intent Intent
	// FailOn Error level to fail on
	FailOn FailOn
}

ThumbnailSourceOptions optional arguments for vips_thumbnail_source

func DefaultThumbnailSourceOptions ¶

func DefaultThumbnailSourceOptions() *ThumbnailSourceOptions

DefaultThumbnailSourceOptions creates default value for vips_thumbnail_source optional arguments

type TiffCompression ¶

type TiffCompression int

TiffCompression represents VipsForeignTiffCompression type

const (
	TiffCompressionNone      TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_NONE
	TiffCompressionJpeg      TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_JPEG
	TiffCompressionDeflate   TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_DEFLATE
	TiffCompressionPackbits  TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_PACKBITS
	TiffCompressionCcittfax4 TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_CCITTFAX4
	TiffCompressionLzw       TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_LZW
	TiffCompressionWebp      TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_WEBP
	TiffCompressionZstd      TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_ZSTD
	TiffCompressionJp2k      TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_JP2K
	TiffCompressionLast      TiffCompression = C.VIPS_FOREIGN_TIFF_COMPRESSION_LAST
)

TiffCompression enum

type TiffPredictor ¶

type TiffPredictor int

TiffPredictor represents VipsForeignTiffPredictor type

const (
	TiffPredictorNone       TiffPredictor = C.VIPS_FOREIGN_TIFF_PREDICTOR_NONE
	TiffPredictorHorizontal TiffPredictor = C.VIPS_FOREIGN_TIFF_PREDICTOR_HORIZONTAL
	TiffPredictorFloat      TiffPredictor = C.VIPS_FOREIGN_TIFF_PREDICTOR_FLOAT
	TiffPredictorLast       TiffPredictor = C.VIPS_FOREIGN_TIFF_PREDICTOR_LAST
)

TiffPredictor enum

type TiffResunit ¶

type TiffResunit int

TiffResunit represents VipsForeignTiffResunit type

const (
	TiffResunitCm   TiffResunit = C.VIPS_FOREIGN_TIFF_RESUNIT_CM
	TiffResunitInch TiffResunit = C.VIPS_FOREIGN_TIFF_RESUNIT_INCH
	TiffResunitLast TiffResunit = C.VIPS_FOREIGN_TIFF_RESUNIT_LAST
)

TiffResunit enum

type TiffloadBufferOptions ¶

type TiffloadBufferOptions struct {
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Autorotate Rotate image using orientation tag
	Autorotate bool
	// Subifd Subifd index
	Subifd int
	// Unlimited Remove all denial of service limits
	Unlimited bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

TiffloadBufferOptions optional arguments for vips_tiffload_buffer

func DefaultTiffloadBufferOptions ¶

func DefaultTiffloadBufferOptions() *TiffloadBufferOptions

DefaultTiffloadBufferOptions creates default value for vips_tiffload_buffer optional arguments

type TiffloadOptions ¶

type TiffloadOptions struct {
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Autorotate Rotate image using orientation tag
	Autorotate bool
	// Subifd Subifd index
	Subifd int
	// Unlimited Remove all denial of service limits
	Unlimited bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

TiffloadOptions optional arguments for vips_tiffload

func DefaultTiffloadOptions ¶

func DefaultTiffloadOptions() *TiffloadOptions

DefaultTiffloadOptions creates default value for vips_tiffload optional arguments

type TiffloadSourceOptions ¶

type TiffloadSourceOptions struct {
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Autorotate Rotate image using orientation tag
	Autorotate bool
	// Subifd Subifd index
	Subifd int
	// Unlimited Remove all denial of service limits
	Unlimited bool
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

TiffloadSourceOptions optional arguments for vips_tiffload_source

func DefaultTiffloadSourceOptions ¶

func DefaultTiffloadSourceOptions() *TiffloadSourceOptions

DefaultTiffloadSourceOptions creates default value for vips_tiffload_source optional arguments

type TiffsaveBufferOptions ¶

type TiffsaveBufferOptions struct {
	// Compression Compression for this file
	Compression TiffCompression
	// Q Q factor
	Q int
	// Predictor Compression prediction
	Predictor TiffPredictor
	// Tile Write a tiled tiff
	Tile bool
	// TileWidth Tile width in pixels
	TileWidth int
	// TileHeight Tile height in pixels
	TileHeight int
	// Pyramid Write a pyramidal tiff
	Pyramid bool
	// Miniswhite Use 0 for white in 1-bit images
	Miniswhite bool
	// Bitdepth Write as a 1, 2, 4 or 8 bit image
	Bitdepth int
	// Resunit Resolution unit
	Resunit TiffResunit
	// Xres Horizontal resolution in pixels/mm
	Xres float64
	// Yres Vertical resolution in pixels/mm
	Yres float64
	// Bigtiff Write a bigtiff image
	Bigtiff bool
	// Properties Write a properties document to IMAGEDESCRIPTION
	Properties bool
	// RegionShrink Method to shrink regions
	RegionShrink RegionShrink
	// Level Deflate (1-9, default 6) or ZSTD (1-22, default 9) compression level
	Level int
	// Lossless Enable WEBP lossless mode
	Lossless bool
	// Depth Pyramid depth
	Depth DzDepth
	// Subifd Save pyr layers as sub-IFDs
	Subifd bool
	// Premultiply Save with premultiplied alpha
	Premultiply bool
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

TiffsaveBufferOptions optional arguments for vips_tiffsave_buffer

func DefaultTiffsaveBufferOptions ¶

func DefaultTiffsaveBufferOptions() *TiffsaveBufferOptions

DefaultTiffsaveBufferOptions creates default value for vips_tiffsave_buffer optional arguments

type TiffsaveOptions ¶

type TiffsaveOptions struct {
	// Compression Compression for this file
	Compression TiffCompression
	// Q Q factor
	Q int
	// Predictor Compression prediction
	Predictor TiffPredictor
	// Tile Write a tiled tiff
	Tile bool
	// TileWidth Tile width in pixels
	TileWidth int
	// TileHeight Tile height in pixels
	TileHeight int
	// Pyramid Write a pyramidal tiff
	Pyramid bool
	// Miniswhite Use 0 for white in 1-bit images
	Miniswhite bool
	// Bitdepth Write as a 1, 2, 4 or 8 bit image
	Bitdepth int
	// Resunit Resolution unit
	Resunit TiffResunit
	// Xres Horizontal resolution in pixels/mm
	Xres float64
	// Yres Vertical resolution in pixels/mm
	Yres float64
	// Bigtiff Write a bigtiff image
	Bigtiff bool
	// Properties Write a properties document to IMAGEDESCRIPTION
	Properties bool
	// RegionShrink Method to shrink regions
	RegionShrink RegionShrink
	// Level Deflate (1-9, default 6) or ZSTD (1-22, default 9) compression level
	Level int
	// Lossless Enable WEBP lossless mode
	Lossless bool
	// Depth Pyramid depth
	Depth DzDepth
	// Subifd Save pyr layers as sub-IFDs
	Subifd bool
	// Premultiply Save with premultiplied alpha
	Premultiply bool
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

TiffsaveOptions optional arguments for vips_tiffsave

func DefaultTiffsaveOptions ¶

func DefaultTiffsaveOptions() *TiffsaveOptions

DefaultTiffsaveOptions creates default value for vips_tiffsave optional arguments

type TiffsaveTargetOptions ¶ added in v1.1.0

type TiffsaveTargetOptions struct {
	// Compression Compression for this file
	Compression TiffCompression
	// Q Q factor
	Q int
	// Predictor Compression prediction
	Predictor TiffPredictor
	// Tile Write a tiled tiff
	Tile bool
	// TileWidth Tile width in pixels
	TileWidth int
	// TileHeight Tile height in pixels
	TileHeight int
	// Pyramid Write a pyramidal tiff
	Pyramid bool
	// Miniswhite Use 0 for white in 1-bit images
	Miniswhite bool
	// Bitdepth Write as a 1, 2, 4 or 8 bit image
	Bitdepth int
	// Resunit Resolution unit
	Resunit TiffResunit
	// Xres Horizontal resolution in pixels/mm
	Xres float64
	// Yres Vertical resolution in pixels/mm
	Yres float64
	// Bigtiff Write a bigtiff image
	Bigtiff bool
	// Properties Write a properties document to IMAGEDESCRIPTION
	Properties bool
	// RegionShrink Method to shrink regions
	RegionShrink RegionShrink
	// Level Deflate (1-9, default 6) or ZSTD (1-22, default 9) compression level
	Level int
	// Lossless Enable WEBP lossless mode
	Lossless bool
	// Depth Pyramid depth
	Depth DzDepth
	// Subifd Save pyr layers as sub-IFDs
	Subifd bool
	// Premultiply Save with premultiplied alpha
	Premultiply bool
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

TiffsaveTargetOptions optional arguments for vips_tiffsave_target

func DefaultTiffsaveTargetOptions ¶ added in v1.1.0

func DefaultTiffsaveTargetOptions() *TiffsaveTargetOptions

DefaultTiffsaveTargetOptions creates default value for vips_tiffsave_target optional arguments

type TilecacheOptions ¶

type TilecacheOptions struct {
	// TileWidth Tile width in pixels
	TileWidth int
	// TileHeight Tile height in pixels
	TileHeight int
	// MaxTiles Maximum number of tiles to cache
	MaxTiles int
	// Access Expected access pattern
	Access Access
	// Threaded Allow threaded access
	Threaded bool
	// Persistent Keep cache between evaluations
	Persistent bool
}

TilecacheOptions optional arguments for vips_tilecache

func DefaultTilecacheOptions ¶

func DefaultTilecacheOptions() *TilecacheOptions

DefaultTilecacheOptions creates default value for vips_tilecache optional arguments

type TonelutOptions ¶

type TonelutOptions struct {
	// InMax Size of LUT to build
	InMax int
	// OutMax Maximum value in output LUT
	OutMax int
	// Lb Lowest value in output
	Lb float64
	// Lw Highest value in output
	Lw float64
	// Ps Position of shadow
	Ps float64
	// Pm Position of mid-tones
	Pm float64
	// Ph Position of highlights
	Ph float64
	// S Adjust shadows by this much
	S float64
	// M Adjust mid-tones by this much
	M float64
	// H Adjust highlights by this much
	H float64
}

TonelutOptions optional arguments for vips_tonelut

func DefaultTonelutOptions ¶

func DefaultTonelutOptions() *TonelutOptions

DefaultTonelutOptions creates default value for vips_tonelut optional arguments

type Transpose3dOptions ¶

type Transpose3dOptions struct {
	// PageHeight Height of each input page
	PageHeight int
}

Transpose3dOptions optional arguments for vips_transpose3d

func DefaultTranspose3dOptions ¶

func DefaultTranspose3dOptions() *Transpose3dOptions

DefaultTranspose3dOptions creates default value for vips_transpose3d optional arguments

type UnpremultiplyOptions ¶

type UnpremultiplyOptions struct {
	// MaxAlpha Maximum value of alpha channel
	MaxAlpha float64
	// AlphaBand Unpremultiply with this alpha
	AlphaBand int
}

UnpremultiplyOptions optional arguments for vips_unpremultiply

func DefaultUnpremultiplyOptions ¶

func DefaultUnpremultiplyOptions() *UnpremultiplyOptions

DefaultUnpremultiplyOptions creates default value for vips_unpremultiply optional arguments

type VipsloadOptions ¶

type VipsloadOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

VipsloadOptions optional arguments for vips_vipsload

func DefaultVipsloadOptions ¶

func DefaultVipsloadOptions() *VipsloadOptions

DefaultVipsloadOptions creates default value for vips_vipsload optional arguments

type VipsloadSourceOptions ¶

type VipsloadSourceOptions struct {
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

VipsloadSourceOptions optional arguments for vips_vipsload_source

func DefaultVipsloadSourceOptions ¶

func DefaultVipsloadSourceOptions() *VipsloadSourceOptions

DefaultVipsloadSourceOptions creates default value for vips_vipsload_source optional arguments

type VipssaveOptions ¶

type VipssaveOptions struct {
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

VipssaveOptions optional arguments for vips_vipssave

func DefaultVipssaveOptions ¶

func DefaultVipssaveOptions() *VipssaveOptions

DefaultVipssaveOptions creates default value for vips_vipssave optional arguments

type VipssaveTargetOptions ¶ added in v1.1.0

type VipssaveTargetOptions struct {
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

VipssaveTargetOptions optional arguments for vips_vipssave_target

func DefaultVipssaveTargetOptions ¶ added in v1.1.0

func DefaultVipssaveTargetOptions() *VipssaveTargetOptions

DefaultVipssaveTargetOptions creates default value for vips_vipssave_target optional arguments

type WebpPreset ¶

type WebpPreset int

WebpPreset represents VipsForeignWebpPreset type

const (
	WebpPresetDefault WebpPreset = C.VIPS_FOREIGN_WEBP_PRESET_DEFAULT
	WebpPresetPicture WebpPreset = C.VIPS_FOREIGN_WEBP_PRESET_PICTURE
	WebpPresetPhoto   WebpPreset = C.VIPS_FOREIGN_WEBP_PRESET_PHOTO
	WebpPresetDrawing WebpPreset = C.VIPS_FOREIGN_WEBP_PRESET_DRAWING
	WebpPresetIcon    WebpPreset = C.VIPS_FOREIGN_WEBP_PRESET_ICON
	WebpPresetText    WebpPreset = C.VIPS_FOREIGN_WEBP_PRESET_TEXT
	WebpPresetLast    WebpPreset = C.VIPS_FOREIGN_WEBP_PRESET_LAST
)

WebpPreset enum

type WebploadBufferOptions ¶

type WebploadBufferOptions struct {
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Scale Factor to scale by
	Scale float64
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

WebploadBufferOptions optional arguments for vips_webpload_buffer

func DefaultWebploadBufferOptions ¶

func DefaultWebploadBufferOptions() *WebploadBufferOptions

DefaultWebploadBufferOptions creates default value for vips_webpload_buffer optional arguments

type WebploadOptions ¶

type WebploadOptions struct {
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Scale Factor to scale by
	Scale float64
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

WebploadOptions optional arguments for vips_webpload

func DefaultWebploadOptions ¶

func DefaultWebploadOptions() *WebploadOptions

DefaultWebploadOptions creates default value for vips_webpload optional arguments

type WebploadSourceOptions ¶

type WebploadSourceOptions struct {
	// Page First page to load
	Page int
	// N Number of pages to load, -1 for all
	N int
	// Scale Factor to scale by
	Scale float64
	// Memory Force open via memory
	Memory bool
	// Access Required access pattern for this file
	Access Access
	// FailOn Error level to fail on
	FailOn FailOn
	// Revalidate Don't use a cached result for this operation
	Revalidate bool
}

WebploadSourceOptions optional arguments for vips_webpload_source

func DefaultWebploadSourceOptions ¶

func DefaultWebploadSourceOptions() *WebploadSourceOptions

DefaultWebploadSourceOptions creates default value for vips_webpload_source optional arguments

type WebpsaveBufferOptions ¶

type WebpsaveBufferOptions struct {
	// Q Q factor
	Q int
	// Lossless Enable lossless compression
	Lossless bool
	// Preset Preset for lossy compression
	Preset WebpPreset
	// SmartSubsample Enable high quality chroma subsampling
	SmartSubsample bool
	// NearLossless Enable preprocessing in lossless mode (uses Q)
	NearLossless bool
	// AlphaQ Change alpha plane fidelity for lossy compression
	AlphaQ int
	// MinSize Optimise for minimum size
	MinSize bool
	// Kmin Minimum number of frames between key frames
	Kmin int
	// Kmax Maximum number of frames between key frames
	Kmax int
	// Effort Level of CPU effort to reduce file size
	Effort int
	// TargetSize Desired target size in bytes
	TargetSize int
	// Mixed Allow mixed encoding (might reduce file size)
	Mixed bool
	// SmartDeblock Enable auto-adjusting of the deblocking filter
	SmartDeblock bool
	// Passes Number of entropy-analysis passes (in [1..10])
	Passes int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

WebpsaveBufferOptions optional arguments for vips_webpsave_buffer

func DefaultWebpsaveBufferOptions ¶

func DefaultWebpsaveBufferOptions() *WebpsaveBufferOptions

DefaultWebpsaveBufferOptions creates default value for vips_webpsave_buffer optional arguments

type WebpsaveOptions ¶

type WebpsaveOptions struct {
	// Q Q factor
	Q int
	// Lossless Enable lossless compression
	Lossless bool
	// Preset Preset for lossy compression
	Preset WebpPreset
	// SmartSubsample Enable high quality chroma subsampling
	SmartSubsample bool
	// NearLossless Enable preprocessing in lossless mode (uses Q)
	NearLossless bool
	// AlphaQ Change alpha plane fidelity for lossy compression
	AlphaQ int
	// MinSize Optimise for minimum size
	MinSize bool
	// Kmin Minimum number of frames between key frames
	Kmin int
	// Kmax Maximum number of frames between key frames
	Kmax int
	// Effort Level of CPU effort to reduce file size
	Effort int
	// TargetSize Desired target size in bytes
	TargetSize int
	// Mixed Allow mixed encoding (might reduce file size)
	Mixed bool
	// SmartDeblock Enable auto-adjusting of the deblocking filter
	SmartDeblock bool
	// Passes Number of entropy-analysis passes (in [1..10])
	Passes int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

WebpsaveOptions optional arguments for vips_webpsave

func DefaultWebpsaveOptions ¶

func DefaultWebpsaveOptions() *WebpsaveOptions

DefaultWebpsaveOptions creates default value for vips_webpsave optional arguments

type WebpsaveTargetOptions ¶ added in v1.1.0

type WebpsaveTargetOptions struct {
	// Q Q factor
	Q int
	// Lossless Enable lossless compression
	Lossless bool
	// Preset Preset for lossy compression
	Preset WebpPreset
	// SmartSubsample Enable high quality chroma subsampling
	SmartSubsample bool
	// NearLossless Enable preprocessing in lossless mode (uses Q)
	NearLossless bool
	// AlphaQ Change alpha plane fidelity for lossy compression
	AlphaQ int
	// MinSize Optimise for minimum size
	MinSize bool
	// Kmin Minimum number of frames between key frames
	Kmin int
	// Kmax Maximum number of frames between key frames
	Kmax int
	// Effort Level of CPU effort to reduce file size
	Effort int
	// TargetSize Desired target size in bytes
	TargetSize int
	// Mixed Allow mixed encoding (might reduce file size)
	Mixed bool
	// SmartDeblock Enable auto-adjusting of the deblocking filter
	SmartDeblock bool
	// Passes Number of entropy-analysis passes (in [1..10])
	Passes int
	// Keep Which metadata to retain
	Keep Keep
	// Background Background value
	Background []float64
	// PageHeight Set page height for multipage save
	PageHeight int
	// Profile Filename of ICC profile to embed
	Profile string
}

WebpsaveTargetOptions optional arguments for vips_webpsave_target

func DefaultWebpsaveTargetOptions ¶ added in v1.1.0

func DefaultWebpsaveTargetOptions() *WebpsaveTargetOptions

DefaultWebpsaveTargetOptions creates default value for vips_webpsave_target optional arguments

type WorleyOptions ¶

type WorleyOptions struct {
	// CellSize Size of Worley cells
	CellSize int
	// Seed Random number seed
	Seed int
}

WorleyOptions optional arguments for vips_worley

func DefaultWorleyOptions ¶

func DefaultWorleyOptions() *WorleyOptions

DefaultWorleyOptions creates default value for vips_worley optional arguments

type WrapOptions ¶

type WrapOptions struct {
	// X Left edge of input in output
	X int
	// Y Top edge of input in output
	Y int
}

WrapOptions optional arguments for vips_wrap

func DefaultWrapOptions ¶

func DefaultWrapOptions() *WrapOptions

DefaultWrapOptions creates default value for vips_wrap optional arguments

type XYZ2LabOptions ¶

type XYZ2LabOptions struct {
	// Temp Colour temperature
	Temp []float64
}

XYZ2LabOptions optional arguments for vips_XYZ2Lab

func DefaultXYZ2LabOptions ¶

func DefaultXYZ2LabOptions() *XYZ2LabOptions

DefaultXYZ2LabOptions creates default value for vips_XYZ2Lab optional arguments

type XyzOptions ¶

type XyzOptions struct {
	// Csize Size of third dimension
	Csize int
	// Dsize Size of fourth dimension
	Dsize int
	// Esize Size of fifth dimension
	Esize int
}

XyzOptions optional arguments for vips_xyz

func DefaultXyzOptions ¶

func DefaultXyzOptions() *XyzOptions

DefaultXyzOptions creates default value for vips_xyz optional arguments

type ZoneOptions ¶

type ZoneOptions struct {
	// Uchar Output an unsigned char image
	Uchar bool
}

ZoneOptions optional arguments for vips_zone

func DefaultZoneOptions ¶

func DefaultZoneOptions() *ZoneOptions

DefaultZoneOptions creates default value for vips_zone optional arguments

Source Files ¶

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Documentation ¶

Overview ¶

Index ¶

Constants ¶

Variables ¶

Functions ¶

func HasOperation ¶ added in v0.8.2

func ProfileLoad ¶

func ReadVipsMemStats ¶

func SetLogging ¶

func Shutdown ¶

func Startup ¶

Types ¶

type Access ¶

type AffineOptions ¶

func DefaultAffineOptions ¶

type Align ¶

type AnalyzeloadOptions ¶

func DefaultAnalyzeloadOptions ¶

type Angle ¶

type Angle45 ¶

type ArrayjoinOptions ¶

func DefaultArrayjoinOptions ¶

type BandFormat ¶

type BandfoldOptions ¶

func DefaultBandfoldOptions ¶

type BandrankOptions ¶

func DefaultBandrankOptions ¶

type BandunfoldOptions ¶

func DefaultBandunfoldOptions ¶

type BlackOptions ¶

func DefaultBlackOptions ¶

type BlendMode ¶

type CannyOptions ¶

func DefaultCannyOptions ¶

type CastOptions ¶

func DefaultCastOptions ¶

type ClampOptions ¶

func DefaultClampOptions ¶

type Coding ¶

type ColourspaceOptions ¶

func DefaultColourspaceOptions ¶

type Combine ¶

type CombineMode ¶

type CompassDirection ¶

type CompassOptions ¶

func DefaultCompassOptions ¶

type Composite2Options ¶

func DefaultComposite2Options ¶

type CompositeOptions ¶

func DefaultCompositeOptions ¶

type Config ¶

type ConvOptions ¶

func DefaultConvOptions ¶

type ConvaOptions ¶

func DefaultConvaOptions ¶

type ConvasepOptions ¶

func DefaultConvasepOptions ¶

type ConvsepOptions ¶

func DefaultConvsepOptions ¶

type CopyOptions ¶

func DefaultCopyOptions ¶

type CsvloadOptions ¶

func DefaultCsvloadOptions ¶

type CsvloadSourceOptions ¶

func DefaultCsvloadSourceOptions ¶

type CsvsaveOptions ¶

func DefaultCsvsaveOptions ¶

type CsvsaveTargetOptions ¶ added in v1.1.0

func DefaultCsvsaveTargetOptions ¶ added in v1.1.0

type Direction ¶

type DrawCircleOptions ¶

func DefaultDrawCircleOptions ¶

type DrawFloodOptions ¶

func DefaultDrawFloodOptions ¶

type DrawImageOptions ¶

func DefaultDrawImageOptions ¶

type DrawRectOptions ¶

func DefaultDrawRectOptions ¶

type DzContainer ¶ added in v0.2.0