-void TrueRenderControl::drawBackground(Surface& sf,
- const RenderTexture &texture) const
-{
- (void)texture;
-
- assert(sf._screen == _screen);
-
- int w = sf.width(), h = sf.height();
-
- const ScreenInfo *info = display->screenInfo(_screen);
- XImage *im = XCreateImage(**display, info->visual(), info->depth(),
- ZPixmap, 0, NULL, w, h, 32, 0);
-
- unsigned char *data = new unsigned char[im->bytes_per_line * h];
- unsigned char *dp = data;
- unsigned int bytes_per_pixel = im->bits_per_pixel/8;
-
- for (int y = 0; y < h/3; ++y)
- for (int x = 0; x < w; ++x, dp += bytes_per_pixel)
- renderPixel(im, dp, (255*x/w) >> _red_shift << _red_offset);
- for (int y = 0; y < h/3; ++y)
- for (int x = 0; x < w; ++x, dp += bytes_per_pixel)
- renderPixel(im, dp, (255*x/w) >> _green_shift << _green_offset);
- for (int y = 0; y < h/3; ++y)
- for (int x = 0; x < w; ++x, dp += bytes_per_pixel)
- renderPixel(im, dp, (255*x/w) >> _blue_shift << _blue_offset);
-
- im->data = (char*) data;
-
-// sf.setPixmap(im);
- sf.setPixmap(RenderColor(_screen, 0xff, 0xff, 0));
-
- delete [] im->data;
- im->data = NULL;
- XDestroyImage(im);}