_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()
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;
pixel16 *p = (pixel16 *)data;
switch (im->bits_per_pixel) {
case 32:
- return;
+ if ((_red_offset != default_red_shift) ||
+ (_blue_offset != default_blue_shift) ||
+ (_green_offset != default_green_shift)) {
+ printf("cross endian conversion\n");
+ for (y = 0; y < im->height; y++) {
+ for (x = 0; x < im->width; x++) {
+ 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 += im->width;
+ }
+ }
+ return;
case 16:
for (y = 0; y < im->height; y++) {
for (x = 0; x < im->width; x++) {