writeToPng function
Implementation
Uint8List writeToPng({
required int width,
required int height,
required Uint32List colors,
}) {
final image = Image(width: width, height: height);
final pixel = ColorInt32.rgba(0, 0, 0, 0);
for (var y = 0; y < height; y++) {
for (var x = 0; x < width; x++) {
final index = y * width + x;
final color = colors[index];
pixel.r = color & 0xFF;
pixel.g = (color >> 8) & 0xFF;
pixel.b = (color >> 16) & 0xFF;
pixel.a = (color >> 24) & 0xFF;
image.setPixel(x, y, pixel);
}
}
return encodePng(image);
}