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split the increment into a separate macro

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This commit is contained in:
Dana Jansens 2003-08-05 10:51:19 +00:00
parent 2494762dbf
commit 08f1f213f1
1 changed files with 5 additions and 2 deletions
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7
render/gradient.c
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@ -304,6 +304,9 @@ static void gradient_solid(RrAppearance *l, int w, int h)
(color##x[1] << RrDefaultGreenOffset) + \
(color##x[2] << RrDefaultBlueOffset))
#define INCREMENT(x, i) \
(inc##x[i])
#define NEXT(x) \
{ \
int i; \
@ -314,13 +317,13 @@ static void gradient_solid(RrAppearance *l, int w, int h)
/* Y (color) is dependant on X */ \
error##x[i] += cdelta##x[i]; \
if ((error##x[i] << 1) >= len##x) { \
color##x[i] += inc##x[i]; \
color##x[i] += INCREMENT(x, i); \
error##x[i] -= len##x; \
} \
} else { \
/* X is dependant on Y (color) */ \
while (1) { \
color##x[i] += inc##x[i]; \
color##x[i] += INCREMENT(x, i); \
error##x[i] += len##x; \
if ((error##x[i] << 1) >= cdelta##x[i]) { \
error##x[i] -= cdelta##x[i]; \