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restore minui support for paletted images with < 8 bits

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The PNG image loaders should support images that use palettes
requiring fewer than 8 bits.

Change-Id: Ibcb0ff6f04aea8de54b03c0efa7a79e9b3635146
This commit is contained in:
Doug Zongker
2014-03-20 08:27:01 -07:00
parent 708aa23801
commit 577a130435
1 changed files with 1 additions and 1 deletions
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minui/resources.c
+1 -1
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@@ -101,7 +101,7 @@ static int open_png(const char* name, png_structp* png_ptr, png_infop* info_ptr,
} else if (bit_depth <= 8 && *channels == 1 && color_type == PNG_COLOR_TYPE_GRAY) {
// 1-, 2-, 4-, or 8-bit gray images: expand to 8-bit gray.
png_set_expand_gray_1_2_4_to_8(*png_ptr);
} else if (bit_depth == 8 && *channels == 1 && color_type == PNG_COLOR_TYPE_PALETTE) {
} else if (bit_depth <= 8 && *channels == 1 && color_type == PNG_COLOR_TYPE_PALETTE) {
// paletted images: expand to 8-bit RGB. Note that we DON'T
// currently expand the tRNS chunk (if any) to an alpha
// channel, because minui doesn't support alpha channels in