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PNGImage<>::read_alpha should use filler if no alpha present #53

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martinwicke opened this issue Jan 24, 2014 · 0 comments
Open

PNGImage<>::read_alpha should use filler if no alpha present #53

martinwicke opened this issue Jan 24, 2014 · 0 comments

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@martinwicke
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Currently, if no alpha channel is present, it turns the image into garbage (and possibly accesses bad memory). The PNG high-level interface is probably not enough, since it doesn't support the png_set_filler() command.
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@martinwicke