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Fix for plPNG::IRead improperly handling 24-bit RGB and non-transparent paletted images.

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This commit is contained in:
Joseph Davies
2011-06-25 20:22:53 -07:00
parent 3fa99eb673
commit 090c950c74
1 changed files with 4 additions and 0 deletions
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4
Sources/Plasma/PubUtilLib/plGImage/plPNG.cpp
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@ -127,6 +127,10 @@ plMipmap* plPNG::IRead(hsStream* inStream)
if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) { if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {
png_set_tRNS_to_alpha(png_ptr); png_set_tRNS_to_alpha(png_ptr);
channels += 1; channels += 1;
} else if (channels == 3) {
// Add an opaque alpha channel if still none exists
png_set_filler(png_ptr, 0xff, PNG_FILLER_AFTER);
channels = 4;
} }
// Invert color byte-order as used by plMipmap for DirectX // Invert color byte-order as used by plMipmap for DirectX