- 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);
+ pixel32 *data = new pixel32[sf.height()*sf.width()];
+ pixel32 current;
+ pixel32 *dp = data;
+ float dr, dg, db;
+ unsigned int r,g,b;
+
+ dr = (float)(texture.secondary_color().red() - texture.color().red());
+ dr/= (float)sf.height();
+
+ dg = (float)(texture.secondary_color().green() - texture.color().green());
+ dg/= (float)sf.height();
+
+ db = (float)(texture.secondary_color().blue() - texture.color().blue());
+ db/= (float)sf.height();
+
+ for (int y = 0; y < h; ++y) {
+ r = texture.color().red() + (int)(dr * y);
+ g = texture.color().green() + (int)(dg * y);
+ b = texture.color().blue() + (int)(db * y);
+ current = (r << 16)
+ + (g << 8)
+ + b;
+ for (int x = 0; x < w; ++x, dp ++)
+ *dp = current;
+ }