compress method
void
compress(
- dynamic onBytesLoaded(),
- dynamic onLibraryImageLoaded(
- Image
compressed image is shown for user's reference
Implementation
void compress(Function() onBytesLoaded, Function(Image) onLibraryImageLoaded) async {
worker.postMessage([0, imageBytes]);
final event = await worker.onMessage.first;
final List<int> intList = event.data[0];
imageBytes = Uint8List.fromList(intList);
onBytesLoaded.call();
Uint8List byteData = Uint8List.fromList(event.data[3]);
final image = Image.fromBytes(
width: event.data[1], height: event.data[2], bytes: byteData.buffer,
numChannels: 3);
onLibraryImageLoaded.call(image);
}