- wxImage image( tool->GetNormalBitmap().ConvertToImage() );
-
- // TODO: don't hardcode 180
- unsigned char bg_red = 180;
- unsigned char bg_green = 180;
- unsigned char bg_blue = 180;
-
- unsigned char mask_red = image.GetMaskRed();
- unsigned char mask_green = image.GetMaskGreen();
- unsigned char mask_blue = image.GetMaskBlue();
-
- bool has_mask = image.HasMask();
-
- int x,y;
- for (y = 0; y < image.GetHeight(); y++)
- {
- for (x = 0; x < image.GetWidth(); x++)
- {
- unsigned char red = image.GetRed(x,y);
- unsigned char green = image.GetGreen(x,y);
- unsigned char blue = image.GetBlue(x,y);
- if (!has_mask || red != mask_red || green != mask_green || blue != mask_blue)
- {
- red = (unsigned char)((((wxInt32) red - bg_red) >> 1) + bg_red);
- green = (unsigned char)((((wxInt32) green - bg_green) >> 1) + bg_green);
- blue = (unsigned char)((((wxInt32) blue - bg_blue) >> 1) + bg_blue);
- image.SetRGB( x, y, red, green, blue );
- }
- }
- }