crop method
void
crop()
Image cropping will be done by crop method
Implementation
void crop(int imageCropX, int imageCropY, int imageCropWidth, int imageCropHeight,
Function(Library.Image, Uint8List) onImageLoaded) async {
libraryImage = Library.copyCrop(
libraryImage,
x: imageCropX,
y: imageCropY,
width: imageCropWidth,
height: imageCropHeight,
);
onImageLoaded.call(libraryImage, Uint8List.fromList(_compressImage(libraryImage)));
}