ImageDataUint4 constructor
Implementation
ImageDataUint4(int width, int height, int numChannels)
: rowStride = numChannels == 2
? width
: numChannels == 4
? width * 2
: numChannels == 3
? (width * 1.5).ceil()
: (width / 2).ceil(),
palette = null,
super(width, height, numChannels) {
data = Uint8List(max(rowStride * height, 1));
}