From 0142405dfffa5778a29cecb61d68aa3e5a7a66d4 Mon Sep 17 00:00:00 2001 From: Jonah Lawrence Date: Thu, 19 Jan 2023 15:25:11 -0700 Subject: [PATCH] feat: Support inkscape and imagick for PNG conversion --- src/card.php | 56 ++++++++++++++++++++++++++++++++++++---------------- 1 file changed, 39 insertions(+), 17 deletions(-) diff --git a/src/card.php b/src/card.php index 52d52fd1..86691af9 100644 --- a/src/card.php +++ b/src/card.php @@ -494,23 +494,45 @@ function convertSvgToPng(string $svg): string $svg = preg_replace("/(animation: currstreak[^;'\"]+)/m", "font-size: 28px;", $svg); $svg = preg_replace("/(\X*?)<\/a>/m", '\1', $svg); - // escape svg for shell - $svg = escapeshellarg($svg); - - // `--pipe`: read input from pipe (stdin) - // `--export-filename -`: write output to stdout - // `-w 495 -h 195`: set width and height of the output image - // `--export-type png`: set the output format to PNG - $cmd = "echo {$svg} | inkscape --pipe --export-filename - -w 495 -h 195 --export-type png"; - - // convert svg to png - $png = shell_exec($cmd); // skipcq: PHP-A1009 - - // check if the conversion was successful - if (empty($png)) { - // `2>&1`: redirect stderr to stdout - $error = shell_exec("$cmd 2>&1"); // skipcq: PHP-A1009 - throw new InvalidArgumentException("Failed to convert SVG to PNG: {$error}", 500); + // check if inkscape is installed + if (shell_exec("which inkscape")) { + // skipcq: PHP-A1009 + // escape svg for shell + $svg = escapeshellarg($svg); + + // `--pipe`: read input from pipe (stdin) + // `--export-filename -`: write output to stdout + // `-w 495 -h 195`: set width and height of the output image + // `--export-type png`: set the output format to PNG + $cmd = "echo {$svg} | inkscape --pipe --export-filename - -w 495 -h 195 --export-type png"; + + // convert svg to png + $png = shell_exec($cmd); // skipcq: PHP-A1009 + + // check if the conversion was successful + if (empty($png)) { + // `2>&1`: redirect stderr to stdout + $error = shell_exec("$cmd 2>&1"); // skipcq: PHP-A1009 + throw new Exception("Failed to convert SVG to PNG: {$error}", 500); + } + } elseif (class_exists("Imagick")) { + // create canvas + $imagick = new Imagick(); + $imagick->setBackgroundColor(new ImagickPixel("transparent")); + + // add svg image + $imagick->setFormat("svg"); + $imagick->readImageBlob('' . $svg); + $imagick->setFormat("png"); + + // get PNG data + $png = $imagick->getImageBlob(); + + // clean up memory + $imagick->clear(); + $imagick->destroy(); + } else { + throw new Exception("Inkscape or Imagick is required to convert SVG to PNG", 500); } // return the generated png pFad - Phonifier reborn

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