OfficialDakari
/
matrix-dart-sdk
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix: Resize image with compute by using const class arguments

This commit is contained in:
Christian Pauly 2022-02-04 07:48:12 +01:00
parent 6801a77bd5
commit 12f846e101
1 changed files with 24 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
lib/src/utils/matrix_file.dart
View File

@ -86,9 +86,14 @@ class MatrixImageFile extends MatrixFile {
Future<T> Function<T, U>(FutureOr<T> Function(U arg) function, U arg)? Future<T> Function<T, U>(FutureOr<T> Function(U arg) function, U arg)?
compute}) async { compute}) async {
Image? image; Image? image;
final arguments = _ResizeArguments(
bytes: bytes,
maxDimension: maxDimension,
fileName: name,
);
final resizedData = compute != null final resizedData = compute != null
? await compute(_resize, [bytes, maxDimension]) ? await compute(_resize, arguments)
: _resize([bytes, maxDimension, name]); : _resize(arguments);
if (resizedData == null) { if (resizedData == null) {
return MatrixImageFile(bytes: bytes, name: name, mimeType: mimeType); return MatrixImageFile(bytes: bytes, name: name, mimeType: mimeType);
@ -166,22 +171,31 @@ class MatrixImageFile extends MatrixFile {
return thumbnailFile; return thumbnailFile;
} }
static Uint8List? _resize(List<dynamic> arguments) { static Uint8List? _resize(_ResizeArguments arguments) {
final bytes = arguments[0] as Uint8List; final image = decodeImage(arguments.bytes);
final maxDimension = arguments[1] as int;
final fileName = arguments[2] as String;
final image = decodeImage(bytes);
final resized = copyResize(image!, final resized = copyResize(image!,
height: image.height > image.width ? maxDimension : null, height: image.height > image.width ? arguments.maxDimension : null,
width: image.width >= image.height ? maxDimension : null); width: image.width >= image.height ? arguments.maxDimension : null);
final encoded = encodeNamedImage(resized, fileName); final encoded = encodeNamedImage(resized, arguments.fileName);
if (encoded == null) return null; if (encoded == null) return null;
return Uint8List.fromList(encoded); return Uint8List.fromList(encoded);
} }
} }
class _ResizeArguments {
final Uint8List bytes;
final int maxDimension;
final String fileName;
const _ResizeArguments({
required this.bytes,
required this.maxDimension,
required this.fileName,
});
}
class MatrixVideoFile extends MatrixFile { class MatrixVideoFile extends MatrixFile {
int? width; int? width;
int? height; int? height;