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PNG: fix mipmapping of grayscale images

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Matthias Schiffer 2015-02-03 13:59:57 +01:00
parent 4cd7e83a70
commit 05b2cc0e1e
1 changed files with 1 additions and 1 deletions
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src/PNG.cpp
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@ -139,7 +139,7 @@ static void readScaled(uint8_t *data, size_t offset_w, size_t offset_h, const ch
} }
void mipmap(const char *output, size_t width, size_t height, bool colored, const char *nw, const char *ne, const char *sw, const char *se) { void mipmap(const char *output, size_t width, size_t height, bool colored, const char *nw, const char *ne, const char *sw, const char *se) {
uint8_t data[4*width*height]; uint8_t data[(colored ? 4 : 2)*width*height];
std::memset(data, 0, sizeof(data)); std::memset(data, 0, sizeof(data));
readScaled(data, 0, 0, nw, width, height, colored); readScaled(data, 0, 0, nw, width, height, colored);