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middle gradient in splitvertical

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This commit is contained in:
Dana Jansens 2007-06-09 01:08:25 +00:00
parent 45a3ad6d42
commit b60e471705
1 changed files with 16 additions and 9 deletions
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25
render/gradient.c
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@ -420,13 +420,14 @@ static void gradient_solid(RrAppearance *l, gint w, gint h)
static void gradient_splitvertical(RrAppearance *a, gint w, gint h)
{
gint x, y1, y3, r, g, b;
gint x, y1, y2, y3, r, g, b;
RrSurface *sf = &a->surface;
RrPixel32 *data = sf->pixel_data;
RrPixel32 current;
RrColor *primary_light, *secondary_light;
VARS(y1);
VARS(y2);
VARS(y3);
r = sf->primary->r;
@ -451,17 +452,27 @@ static void gradient_splitvertical(RrAppearance *a, gint w, gint h)
if (b > 0xFF) b = 0xFF;
secondary_light = RrColorNew(a->inst, r, g, b);
SETUP(y1, primary_light, sf->primary, (h / 2) -1);
SETUP(y3, sf->secondary, secondary_light, (h / 2) -1);
SETUP(y1, primary_light, sf->primary, (h / 2) - 1);
/* setup to get the colors in between these 2 */
SETUP(y2, sf->primary, sf->secondary, h % 2 ? 5 : 4);
SETUP(y3, sf->secondary, secondary_light, (h / 2) - 1);
for (y1 = h - 1; y1 > (h / 2) -1; --y1) { /* 0 -> h-1 */
for (y1 = (h / 2) - 1; y1 > 0; --y1) {
current = COLOR(y1);
for (x = w - 1; x >= 0; --x) /* 0 -> w */
for (x = w - 1; x >= 0; --x)
*(data++) = current;
NEXT(y1);
}
NEXT(y2); /* skip the first one, its the same as the last of y1 */
for (y2 = (h % 2 ? 3 : 2); y2 > 0; --y2) {
current = COLOR(y2);
for (x = w - 1; x >= 0; --x)
*(data++) = current;
NEXT(y2);
}
for (y3 = (h / 2) - 1; y3 > 0; --y3) {
current = COLOR(y3);
@ -471,10 +482,6 @@ static void gradient_splitvertical(RrAppearance *a, gint w, gint h)
NEXT(y3);
}
current = COLOR(y3);
for (x = w - 1; x >= 0; --x) /* 0 -> w */
*(data++) = current;
RrColorFree(primary_light);
RrColorFree(secondary_light);
}