- assert(wi);
-
- XGCValues gcv;
- gcv.cap_style = CapProjecting;
-
- int w = 255, h = 31;
- Pixmap p = XCreatePixmap(**display, wi->window(), w, h, _screen->depth());
- XImage *im = XCreateImage(**display, _screen->visual(), _screen->depth(),
- ZPixmap, 0, NULL, w, h, 32, 0);
- //GC gc = XCreateGC(**display, _screen->rootWindow(), GCCapStyle, &gcv);
-
- // XXX + 1?
- unsigned char *data = new unsigned char[im->bytes_per_line * (h + 1)];
- unsigned char *dp = data;
-
- for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
- renderPixel(im, dp, 0);
- for (int y = 0; y < 10; ++y)
- for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
- renderPixel(im, dp, _red_color_table[x] << _red_offset);
- for (int y = 0; y < 10; ++y)
- for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
- renderPixel(im, dp, _green_color_table[x] << _green_offset);
- for (int y = 0; y < 10; ++y)
- for (int x = 0; x < w; ++x, dp += im->bits_per_pixel/8)
- renderPixel(im, dp, _blue_color_table[x] << _blue_offset);
-
- printf("\nDone\n");
+// since pixel32 is the largest possible pixel size, we can share the array
+ int r, g, b;
+ int x,y;
+ pixel16 *p = (pixel16*) data;
+ switch (im->bits_per_pixel) {
+ case 32:
+ 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++) {
+ r = (data[x] >> default_red_shift) & 0xFF;
+ r = r >> _red_shift;
+ g = (data[x] >> default_green_shift) & 0xFF;
+ g = g >> _green_shift;
+ b = (data[x] >> default_blue_shift) & 0xFF;
+ b = b >> _blue_shift;
+ p[x] = (r << _red_offset) + (g << _green_offset) + (b << _blue_offset);
+ }
+ data += im->width;
+ p += im->bytes_per_line/2;
+ }
+ break;
+ default:
+ printf("your bit depth is currently unhandled\n");
+ }
+}