From 39e5d0c53c9289ebace46cdbd84c6973b61c87e5 Mon Sep 17 00:00:00 2001 From: John Cupitt Date: Sat, 19 Jul 2025 14:35:28 +0100 Subject: [PATCH] add a sniffer for the XWD format otherwise we mistake it for TGA see https://github.com/libvips/libvips/issues/4612 --- libvips/foreign/magick.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/libvips/foreign/magick.c b/libvips/foreign/magick.c index 1cf7ef1ce9..876cab3f26 100644 --- a/libvips/foreign/magick.c +++ b/libvips/foreign/magick.c @@ -138,6 +138,15 @@ magick_sniff(const unsigned char *bytes, size_t length) (bytes[4] != 0 || bytes[5] != 0)) return "ICO"; + if (length >= 8 && + bytes[1] == 0 && + bytes[2] == 0 && + bytes[5] == 0 && + bytes[6] == 0 && + (bytes[4] == 7 || + bytes[7] == 7)) + return "XWD"; + if (length >= 18 && (bytes[1] == 0 || bytes[1] == 1) && pFad - Phonifier reborn

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