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Added bevels

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This commit is contained in:
Derek Foreman 2003-01-23 05:22:50 +00:00
parent 28b8f67562
commit 312db4ca9a
2 changed files with 61 additions and 4 deletions
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63
otk/truerendercontrol.cc
View file

@ -143,12 +143,36 @@ void TrueRenderControl::drawGradientBackground(
+ (g << 8)
+ b;
for (off = 0, x = 0; x < w; ++x, off++) {
*(data + off) = current;
*(data + off + ((h-1) * w)) = current;
*(data + off) = current;
*(data + off + ((h-1) * w)) = current;
}
for (off = 0, x = 0; x < h; ++x, off++) {
*(data + (off * w)) = current;
*(data + (off * w) + w - 1) = current;
*(data + (off * w)) = current;
*(data + (off * w) + w - 1) = current;
}
}
if (texture.relief() != RenderTexture::Flat) {
if (texture.bevel() == RenderTexture::Bevel1) {
for (off = 0, x = 0; x < w; ++x, off++)
highlight(data + off,
data + off + (h-1) * w,
texture.relief()==RenderTexture::Raised);
for (off = 0, x = 0; x < h; ++x, off++)
highlight(data + off * w,
data + off * w + w - 1,
texture.relief()==RenderTexture::Raised);
}
if (texture.bevel() == RenderTexture::Bevel2) {
for (off = 1, x = 1; x < w - 1; ++x, off++)
highlight(data + off + w,
data + off + (h-2) * w,
texture.relief()==RenderTexture::Raised);
for (off = 1, x = 1; x < h-1; ++x, off++)
highlight(data + off * w + 1,
data + off * w + w - 2,
texture.relief()==RenderTexture::Raised);
}
}
@ -162,6 +186,37 @@ void TrueRenderControl::drawGradientBackground(
XDestroyImage(im);
}
void TrueRenderControl::highlight(pixel32 *x, pixel32 *y, bool raised) const
{
int r, g, b;
pixel32 *up, *down;
if (raised) {
up = x;
down = y;
} else {
up = y;
down = x;
}
r = (*up >> 16) & 0xFF;
r += r >> 1;
g = (*up >> 8) & 0xFF;
g += g >> 1;
b = *up & 0xFF;
b += b >> 1;
if (r > 255) r = 255;
if (g > 255) r = 255;
if (b > 255) r = 255;
*up = (r << 16) + (g << 8) + b;
r = (*down >> 16) & 0xFF;
r = (r >> 1) + (r >> 2);
g = (*down >> 8) & 0xFF;
g = (g >> 1) + (g >> 2);
b = *down & 0xFF;
b = (b >> 1) + (b >> 2);
*down = (r << 16) + (g << 8) + b;
}
void TrueRenderControl::drawBackground(Surface& sf,
const RenderTexture &texture) const
{

2
otk/truerendercontrol.hh
View file

@ -46,6 +46,8 @@ public:
virtual void drawBackground(Surface& sf, const RenderTexture &texture) const;
virtual void drawGradientBackground(Surface &sf,
const RenderTexture &texture) const;
inline void highlight(pixel32 *x, pixel32 *y, bool raised) const;
};
}