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combine the parent and child textures in fun ways when a parentrelative texture with a bevel is placed right overtop of another texture with a bevel

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This commit is contained in:
Dana Jansens 2007-06-05 18:01:10 +00:00
parent cea8656983
commit 4548d40c0d
1 changed files with 32 additions and 11 deletions
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43
render/gradient.c
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@ -205,20 +205,41 @@ static void gradient_parentrelative(RrAppearance *a, gint w, gint h)
sw = a->surface.parent->w;
sh = a->surface.parent->h;
source = (a->surface.parent->surface.pixel_data +
a->surface.parentx + sw * a->surface.parenty);
dest = a->surface.pixel_data;
/* This is a little hack. When a texture is parentrelative, and the same
area as the parent, and has a bevel, it will draw its bevel on top
of the parent's, amplifying it. So instead, rerender the child with
the parent's settings, but the child's bevel and interlace */
if (a->surface.relief != RR_RELIEF_FLAT &&
!a->surface.parentx && !a->surface.parenty &&
sw == w && sh == h)
{
RrSurface old = a->surface;
a->surface = a->surface.parent->surface;
a->surface.relief = old.relief;
a->surface.bevel = old.bevel;
a->surface.pixel_data = old.pixel_data;
if (old.interlaced) {
a->surface.interlaced = TRUE;
a->surface.interlace_color = old.interlace_color;
}
RrRender(a, w, h);
a->surface = old;
} else {
source = (a->surface.parent->surface.pixel_data +
a->surface.parentx + sw * a->surface.parenty);
dest = a->surface.pixel_data;
if (a->surface.parentx + w > sw) {
partial_w = sw - a->surface.parentx;
} else partial_w = w;
if (a->surface.parentx + w > sw) {
partial_w = sw - a->surface.parentx;
} else partial_w = w;
if (a->surface.parenty + h > sh) {
partial_h = sh - a->surface.parenty;
} else partial_h = h;
if (a->surface.parenty + h > sh) {
partial_h = sh - a->surface.parenty;
} else partial_h = h;
for (i = 0; i < partial_h; i++, source += sw, dest += w) {
memcpy(dest, source, partial_w * sizeof(RrPixel32));
for (i = 0; i < partial_h; i++, source += sw, dest += w) {
memcpy(dest, source, partial_w * sizeof(RrPixel32));
}
}
}