- if(!Settings.SixteenBit){
- // BJ: credit sanmaiwashi for the idea to do palettized pngs, and to
- // S9xSetPalette in x11.cpp for how to calculate the RGB values
- int b=IPPU.MaxBrightness*140;
- for(int i=0; i<256; i++){
- pngpal[i].red = (PPU.CGDATA[i] & 0x1f)*b>>8;
- pngpal[i].green = ((PPU.CGDATA[i] >> 5) & 0x1f)*b>>8;
- pngpal[i].blue = ((PPU.CGDATA[i] >> 10) & 0x1f)*b>>8;
- }
- png_set_PLTE(png_ptr, info_ptr, pngpal, 256);
- }