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IconUtis.cpp: Fixed cast.

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This commit is contained in:
Stephan Aßmus 2014-01-12 13:47:30 +01:00
parent d1c7f766fd
commit 810f0a42e5
1 changed files with 7 additions and 8 deletions
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15
src/libs/icon/IconUtils.cpp
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@ -149,14 +149,13 @@ scale_down(const uint8* srcBits, uint8* dstBits, int32 srcWidth, int32 srcHeight
p4 = *((uint32*)srcBits + ((l + 1)* srcWidth) + c);
// color components
blue = (uint8)p1 * d1 + (uint8)p2 * d2 + (uint8)p3 * d3
+ (uint8)p4 * d4;
green = (uint8)(p1 >> 8) * d1 + (uint8)(p2 >> 8) * d2
+ (uint8)(p3 >> 8) * d3 + (uint8)(p4 >> 8) * d4;
red = (uint8)(p1 >> 16) * d1 + (uint8)(p2 >> 16) * d2
+ (uint8)(p3 >> 16) * d3 + (uint8)(p4 >> 16) * d4;
alpha = (uint8)(p1 >> 24) * d1 + (uint8)(p2 >> 24) * d2
+ (uint8)(p3 >> 24) * d3 + (uint8)(p4 >> 24) * d4;
blue = (uint8)(p1 * d1 + p2 * d2 + p3 * d3 + p4 * d4);
green = (uint8)((p1 >> 8) * d1 + (p2 >> 8) * d2
+ (p3 >> 8) * d3 + (p4 >> 8) * d4);
red = (uint8)((p1 >> 16) * d1 + (p2 >> 16) * d2
+ (p3 >> 16) * d3 + (p4 >> 16) * d4);
alpha = (uint8)((p1 >> 24) * d1 + (p2 >> 24) * d2
+ (p3 >> 24) * d3 + (p4 >> 24) * d4);
// destination RGBA pixel
*((uint32*)dstBits + (i * dstWidth) + j)