encodePngOptimized function
PNG encoder honoring the optimize_png opt-in (upstream #139 / #199).
When optimize is true, the image package's max-compression level (9)
is used; otherwise its default (level 6) preserves the existing fast
generate behavior. Lossless either way.
Implementation
List<int> encodePngOptimized(Image image, {required bool optimize}) {
return encodePng(image, level: optimize ? 9 : 6);
}