2671   info->key_defined = 0;  in lodepng_color_mode_init()
2724   if(a->key_defined != b->key_defined) return 0;  in lodepng_color_mode_equal()
2725   if(a->key_defined) {  in lodepng_color_mode_equal()
2790   return info->key_defined  in lodepng_can_have_alpha()
3264       if(mode->key_defined && *r == mode->key_r) *a = 0;  in getPixelColorRGBA8()
3268       if(mode->key_defined && 256U * in[i * 2 + 0] + in[i * 2 + 1] == mode->key_r) *a = 0;  in getPixelColorRGBA8()
3275       if(mode->key_defined && value == mode->key_r) *a = 0;  in getPixelColorRGBA8()
3281       if(mode->key_defined && *r == mode->key_r && *g == mode->key_g && *b == mode->key_b) *a = 0;  in getPixelColorRGBA8()
3287       if(mode->key_defined && 256U * in[i * 6 + 0] + in[i * 6 + 1] == mode->key_r  in getPixelColorRGBA8()
3342       if(mode->key_defined) {  in getPixelColorsRGBA8()
3351 …    buffer[3] = mode->key_defined && 256U * in[i * 2 + 0] + in[i * 2 + 1] == mode->key_r ? 0 : 255;  in getPixelColorsRGBA8()
3359         buffer[3] = mode->key_defined && value == mode->key_r ? 0 : 255;  in getPixelColorsRGBA8()
3368       if(mode->key_defined) {  in getPixelColorsRGBA8()
3379         buffer[3] = mode->key_defined  in getPixelColorsRGBA8()
3505     if(mode->key_defined && 256U * in[i * 2 + 0] + in[i * 2 + 1] == mode->key_r) *a = 0;  in getPixelColorRGBA16()
3511     if(mode->key_defined  in getPixelColorRGBA16()
3918   mode_out->key_defined = 0;  in auto_choose_color()
3963       mode_out->key_defined = 1;  in auto_choose_color()
4383     color->key_defined = 1;  in readChunk_tRNS()
4389     color->key_defined = 1;  in readChunk_tRNS()
5154     if(info->key_defined) {  in addChunk_tRNS()
5160     if(info->key_defined) {  in addChunk_tRNS()