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Commit 577a1304 authored by Doug Zongker's avatar Doug Zongker
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restore minui support for paletted images with < 8 bits 

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

Change-Id: Ibcb0ff6f04aea8de54b03c0efa7a79e9b3635146
parent 708aa238

minui/resources.c

+1 −1
Original line number Diff line number Diff line
@@ -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