depot/third_party/nixpkgs/pkgs/development/libraries/libdevil/ftbfs-libpng15.patch
Default email 8ac5e011d6 Project import generated by Copybara.
GitOrigin-RevId: 2c3273caa153ee8eb5786bc8141b85b859e7efd7
2020-04-24 19:36:52 -04:00

31 lines
987 B
Diff

Source: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=649554
--- devil-1.7.8.orig/src-IL/src/il_icon.c
+++ devil-1.7.8/src-IL/src/il_icon.c
@@ -525,7 +525,11 @@
// Expand low-bit-depth grayscale images to 8 bits
if (ico_color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) {
+#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
+ png_set_expand_gray_1_2_4_to_8(ico_png_ptr);
+#else
png_set_gray_1_2_4_to_8(ico_png_ptr);
+#endif
}
// Expand RGB images with transparency to full alpha channels
only in patch2:
unchanged:
--- devil-1.7.8.orig/src-IL/src/il_png.c
+++ devil-1.7.8/src-IL/src/il_png.c
@@ -278,7 +278,11 @@
// Expand low-bit-depth grayscale images to 8 bits
if (png_color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) {
+#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
+ png_set_expand_gray_1_2_4_to_8(png_ptr);
+#else
png_set_gray_1_2_4_to_8(png_ptr);
+#endif
}
// Expand RGB images with transparency to full alpha channels