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two colors blending fix

This commit is contained in:
gazer 2017-10-12 04:31:45 +03:00
parent a03f8cf22e
commit d6d12f337b
1 changed files with 1 additions and 1 deletions
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2
src/dlangui/graphics/colors.d
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@ -195,7 +195,7 @@ uint blendARGB(uint dst, uint src, uint alpha) pure nothrow {
uint dstr = (dst >> 16) & 0xFF; uint dstr = (dst >> 16) & 0xFF;
uint dstg = (dst >> 8) & 0xFF; uint dstg = (dst >> 8) & 0xFF;
uint dstb = (dst >> 0) & 0xFF; uint dstb = (dst >> 0) & 0xFF;
uint ialpha = 256 - alpha; uint ialpha = 255 - alpha;
uint r = ((srcr * ialpha + dstr * alpha) >> 8) & 0xFF; uint r = ((srcr * ialpha + dstr * alpha) >> 8) & 0xFF;
uint g = ((srcg * ialpha + dstg * alpha) >> 8) & 0xFF; uint g = ((srcg * ialpha + dstg * alpha) >> 8) & 0xFF;
uint b = ((srcb * ialpha + dstb * alpha) >> 8) & 0xFF; uint b = ((srcb * ialpha + dstb * alpha) >> 8) & 0xFF;