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[mob][photos] Add method to convert Image from Image package to UI image

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This commit is contained in:
ashilkn 2024-04-27 10:57:49 +05:30
parent 8b236cde09
commit 707916f677
1 changed files with 34 additions and 0 deletions
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34
mobile/lib/utils/image_util.dart
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@ -1,6 +1,8 @@
import 'dart:async';
import 'dart:ui' as ui;
import 'package:flutter/widgets.dart';
import 'package:image/image.dart' as img;
Future<ImageInfo> getImageInfo(ImageProvider imageProvider) {
final completer = Completer<ImageInfo>();
@ -14,3 +16,35 @@ Future<ImageInfo> getImageInfo(ImageProvider imageProvider) {
completer.future.whenComplete(() => imageStream.removeListener(listener));
return completer.future;
}
Future<ui.Image> convertImageToFlutterUi(img.Image image) async {
if (image.format != img.Format.uint8 || image.numChannels != 4) {
final cmd = img.Command()
..image(image)
..convert(format: img.Format.uint8, numChannels: 4);
final rgba8 = await cmd.getImageThread();
if (rgba8 != null) {
image = rgba8;
}
}
final ui.ImmutableBuffer buffer =
await ui.ImmutableBuffer.fromUint8List(image.toUint8List());
final ui.ImageDescriptor id = ui.ImageDescriptor.raw(
buffer,
height: image.height,
width: image.width,
pixelFormat: ui.PixelFormat.rgba8888,
);
final ui.Codec codec = await id.instantiateCodec(
targetHeight: image.height,
targetWidth: image.width,
);
final ui.FrameInfo fi = await codec.getNextFrame();
final ui.Image uiImage = fi.image;
return uiImage;
}