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alpha: multiply each RGB value with alpha for a darker blend

This commit is contained in:
Bakkeby 2024-03-14 22:30:15 +01:00
parent 4997f1b1ae
commit f773016680
1 changed files with 6 additions and 0 deletions
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6
x.c
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@ -1018,6 +1018,9 @@ xloadcols(void)
dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha); dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
dc.col[defaultbg].pixel &= 0x00FFFFFF; dc.col[defaultbg].pixel &= 0x00FFFFFF;
dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24; dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
dc.col[defaultbg].color.red *= alpha;
dc.col[defaultbg].color.green *= alpha;
dc.col[defaultbg].color.blue *= alpha;
#endif // ALPHA_PATCH #endif // ALPHA_PATCH
loaded = 1; loaded = 1;
} }
@ -1058,6 +1061,9 @@ xsetcolorname(int x, const char *name)
dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha); dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
dc.col[defaultbg].pixel &= 0x00FFFFFF; dc.col[defaultbg].pixel &= 0x00FFFFFF;
dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24; dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
dc.col[defaultbg].color.red *= alpha;
dc.col[defaultbg].color.green *= alpha;
dc.col[defaultbg].color.blue *= alpha;
} }
#endif // ALPHA_PATCH #endif // ALPHA_PATCH
return 0; return 0;