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Fix/add grayscale-to-RGB in PNG loader

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This commit is contained in:
Jānis Rūcis 2010-07-31 00:27:43 +03:00
parent 71271751d1
commit 048cdb6eb2
1 changed files with 5 additions and 2 deletions
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7
plugins/imagepng/plugin.cpp
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@ -104,8 +104,11 @@ Image* LoadPNGBuff (unsigned char* fbuffer)
// The following code transforms grayscale images of less than 8 to 8 bits,
// changes paletted images to RGB, and adds a full alpha channel if there is
// transparency information in a tRNS chunk.
if (color_type == PNG_COLOR_TYPE_PALETTE)
png_set_palette_to_rgb(png_ptr);
if (color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
png_set_gray_to_rgb(png_ptr);
else if (color_type == PNG_COLOR_TYPE_PALETTE)
png_set_palette_to_rgb(png_ptr);
if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
png_set_expand_gray_1_2_4_to_8(png_ptr);