Function lodepng_has_palette_alpha

samples/shared/lodepng.cpp:2651–2659

}

unsigned lodepng_has_palette_alpha(const LodePNGColorMode* info)
{
  size_t i;
  for(i = 0; i < info->palettesize; i++)
  {
    if(info->palette[i * 4 + 3] < 255) return 1;
  }
  return 0;
}

unsigned lodepng_can_have_alpha(const LodePNGColorMode* info)
{