Changeset 23813

Timestamp:

09/21/13 14:15:26 (10 years ago)

Author:

nit

Message:

optimize

File:

• titan/titan/struct.h (modified) (1 diff)

titan/titan/struct.h

@@ -176 +176 @@
 
 #define alpha_composite(composite, fg, alpha, ralpha, bg) { \
-unsigned short temp = ((unsigned short)(fg)*(unsigned short)(alpha) +   \
-(unsigned short)(bg)*(unsigned short)(ralpha) +  \
-(unsigned short)128);  \
-(composite) = (unsigned char)((temp + (temp >> 8)) >> 8); }
+unsigned short temp = (fg)*(alpha) + (bg)*(ralpha);  \
+(composite) = (temp + (temp >> 8)) >> 8; }
 
 enum {LEFT=20000, CENTER, RIGHT, TEXTCENTER, TEXTRIGHT};