_green_offset(0),
_blue_offset(0)
{
+ const ScreenInfo *info = display->screenInfo(_screen);
+ XImage *timage = XCreateImage(**display, info->visual(), info->depth(),
+ ZPixmap, 0, NULL, 1, 1, 32, 0);
printf("Initializing TrueColor RenderControl\n");
- Visual *visual = display->screenInfo(_screen)->visual();
unsigned long red_mask, green_mask, blue_mask;
// find the offsets for each color in the visual's masks
- red_mask = visual->red_mask;
- green_mask = visual->green_mask;
- blue_mask = visual->blue_mask;
+ red_mask = timage->red_mask;
+ green_mask = timage->green_mask;
+ blue_mask = timage->blue_mask;
while (! (red_mask & 1)) { _red_offset++; red_mask >>= 1; }
while (! (green_mask & 1)) { _green_offset++; green_mask >>= 1; }
while (red_mask) { red_mask >>= 1; _red_shift--; }
while (green_mask) { green_mask >>= 1; _green_shift--; }
while (blue_mask) { blue_mask >>= 1; _blue_shift--; }
+ XFree(timage);
}
TrueRenderControl::~TrueRenderControl()
{
printf("Destroying TrueColor RenderControl\n");
-
-
-}
-
-
-static inline void renderPixel(XImage *im, unsigned char *dp,
- unsigned long pixel)
-{
- unsigned int bpp = im->bits_per_pixel + (im->byte_order == MSBFirst ? 1 : 0);
-
- switch (bpp) {
- case 8: // 8bpp
- *dp++ = pixel;
- break;
- case 16: // 16bpp LSB
- *dp++ = pixel;
- *dp++ = pixel >> 8;
- break;
- case 17: // 16bpp MSB
- *dp++ = pixel >> 8;
- *dp++ = pixel;
- break;
- case 24: // 24bpp LSB
- *dp++ = pixel;
- *dp++ = pixel >> 8;
- *dp++ = pixel >> 16;
- break;
- case 25: // 24bpp MSB
- *dp++ = pixel >> 16;
- *dp++ = pixel >> 8;
- *dp++ = pixel;
- break;
- case 32: // 32bpp LSB
- *dp++ = pixel;
- *dp++ = pixel >> 8;
- *dp++ = pixel >> 16;
- *dp++ = pixel >> 24;
- break;
- case 33: // 32bpp MSB
- *dp++ = pixel >> 24;
- *dp++ = pixel >> 16;
- *dp++ = pixel >> 8;
- *dp++ = pixel;
- break;
- default:
- assert(false); // wtf?
- }
}
void TrueRenderControl::drawGradientBackground(
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;
}
void TrueRenderControl::crossDiagonalGradient(Surface &sf,
- const RenderTexture &texture,
- pixel32 *data) const
+ const RenderTexture &texture,
+ pixel32 *data) const
{
pixel32 current;
float drx, dgx, dbx, dry, dgy, dby;
}
}
}
+
void TrueRenderControl::reduceDepth(XImage *im, pixel32 *data) const
{
// since pixel32 is the largest possible pixel size, we can share the array
int r, g, b;
int x,y;
- pixel16 *p = (pixel16 *)data;
+ pixel16 *p = (pixel16*) data;
switch (im->bits_per_pixel) {
case 32:
if ((_red_offset != default_red_shift) ||
r = (data[x] >> default_red_shift) & 0xFF;
g = (data[x] >> default_green_shift) & 0xFF;
b = (data[x] >> default_blue_shift) & 0xFF;
- data[x] = (r << _red_offset) + (g << _green_offset) + (b << _blue_offset);
+ data[x] = (r << _red_offset) + (g << _green_offset) +
+ (b << _blue_offset);
}
data += im->width;
}
*down = (r << default_red_shift) + (g << default_green_shift)
+ (b << default_blue_shift);
}
+
void TrueRenderControl::drawBackground(Surface& sf,
const RenderTexture &texture) const
{
assert(_screen == sf._screen);
assert(_screen == texture.color().screen());
- if (texture.gradient() == RenderTexture::Solid) {
+ if (texture.gradient() == RenderTexture::Solid)
drawSolidBackground(sf, texture);
- } else {
+ else
drawGradientBackground(sf, texture);
- }
}
}