-void TrueRenderControl::drawGradientBackground(
- Surface &sf, const RenderTexture &texture) const
-{
- unsigned int r,g,b;
- int w = sf.width(), h = sf.height(), off, x;
-
- const ScreenInfo *info = display->screenInfo(_screen);
- XImage *im = XCreateImage(**display, info->visual(), info->depth(),
- ZPixmap, 0, NULL, w, h, 32, 0);
- im->byte_order = endian;
- pixel32 *data = new pixel32[sf.height()*sf.width()];
- pixel32 current;
-
- switch (texture.gradient()) {
- case RenderTexture::Vertical:
- verticalGradient(sf, texture, data);
- break;
- case RenderTexture::Diagonal:
- diagonalGradient(sf, texture, data);
- break;
- case RenderTexture::CrossDiagonal:
- crossDiagonalGradient(sf, texture, data);
- break;
- default:
- printf("unhandled gradient\n");
- }
-
- if (texture.relief() == RenderTexture::Flat && texture.border()) {
- r = texture.borderColor().red();
- g = texture.borderColor().green();
- b = texture.borderColor().blue();
- current = (r << default_red_shift)
- + (g << default_green_shift)
- + (b << default_blue_shift);
- for (off = 0, x = 0; x < w; ++x, off++) {
- *(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;
- }
- }
-
- if (texture.relief() != RenderTexture::Flat) {
- if (texture.bevel() == RenderTexture::Bevel1) {
- for (off = 1, x = 1; x < w - 1; ++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 = 2, x = 2; x < w - 2; ++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);
- }
- }
-
- reduceDepth(im, data);
-
- im->data = (char*) data;
-
- sf.setPixmap(im);
-
- delete [] im->data;
- im->data = NULL;
- XDestroyImage(im);
-}
-
-void TrueRenderControl::verticalGradient(Surface &sf,
- const RenderTexture &texture,
- pixel32 *data) const