Changeset 23816

Timestamp:

09/21/13 15:41:40 (10 years ago)

Author:

nit

Message:

optimize

File:

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

titan/titan/struct.h

@@ -175 +175 @@
 #define bcdtoint(i) ((((i & 0xf0) >> 4) * 10) + (i & 0x0f))
 
-#define alpha_composite(composite, fg, alpha, ralpha, bg) { \
-unsigned short temp = (fg)*(alpha) + (bg)*(ralpha);  \
-(composite) = (temp + (temp >> 8)) >> 8; }
+#define alpha_composite(composite, fg, alpha, ralpha, bg) { (composite) = ((fg)*(alpha) + (bg)*(ralpha)) >> 8; }
 
 enum {LEFT=20000, CENTER, RIGHT, TEXTCENTER, TEXTRIGHT};