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https://gitlab.com/famedly/fluffychat.git
synced 2024-11-07 20:49:28 +01:00
chore: Adjust image and thumbnail compression
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parent
7d6af9bf59
commit
08601b351c
@ -29,11 +29,7 @@ class _SendFileDialogState extends State<SendFileDialog> {
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Future<void> _send() async {
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var file = widget.file;
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if (file is MatrixImageFile && !origImage) {
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try {
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file = await file.resizeImage();
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} catch (e) {
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// couldn't resize
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}
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file = await file.resizeImage(quality: 40, max: 1200);
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}
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await widget.room.sendFileEventWithThumbnail(file);
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}
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@ -10,11 +10,23 @@ import 'package:image/image.dart';
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import 'package:matrix/matrix.dart';
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extension ResizeImage on MatrixFile {
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static const int max = 1200;
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static const int max = 800;
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static const int quality = 20;
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Future<MatrixImageFile> resizeImage({bool calcBlurhash = true}) async {
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final bytes = await compute<Uint8List, Uint8List>(resizeBytes, this.bytes);
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Future<MatrixImageFile> resizeImage({
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bool calcBlurhash = true,
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int max = ResizeImage.max,
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int quality = ResizeImage.quality,
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}) async {
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final bytes = mimeType == 'image/gif'
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? this.bytes
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: await compute<_ResizeBytesConfig, Uint8List>(
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resizeBytes,
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_ResizeBytesConfig(
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this.bytes,
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max: max,
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quality: quality,
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));
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final blurhash = calcBlurhash
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? await compute<Uint8List, BlurHash>(createBlurHash, bytes)
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: null;
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@ -31,17 +43,29 @@ Future<BlurHash> createBlurHash(Uint8List file) async {
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return BlurHash.encode(image, numCompX: 4, numCompY: 3);
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}
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Future<Uint8List> resizeBytes(Uint8List file) async {
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var image = decodeImage(file)!;
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Future<Uint8List> resizeBytes(_ResizeBytesConfig config) async {
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var image = decodeImage(config.bytes)!;
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// Is file already smaller than max? Then just return.
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if (math.max(image.width, image.height) > ResizeImage.max) {
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if (math.max(image.width, image.height) > config.max) {
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// Use the larger side to resize.
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final useWidth = image.width >= image.height;
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image = useWidth
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? copyResize(image, width: ResizeImage.max)
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: copyResize(image, height: ResizeImage.max);
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? copyResize(image, width: config.max)
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: copyResize(image, height: config.max);
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}
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return Uint8List.fromList(encodeJpg(image, quality: ResizeImage.quality));
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return Uint8List.fromList(encodeJpg(image, quality: config.quality));
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}
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class _ResizeBytesConfig {
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final Uint8List bytes;
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final int max;
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final int quality;
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const _ResizeBytesConfig(
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this.bytes, {
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this.max = ResizeImage.max,
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this.quality = ResizeImage.quality,
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});
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}
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@ -29,16 +29,12 @@ extension RoomSendFileExtension on Room {
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bool waitUntilSent,
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}) async {
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MatrixFile thumbnail;
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try {
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if (file is MatrixImageFile) {
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thumbnail = await file.resizeImage();
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if (file is MatrixImageFile) {
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thumbnail = await file.resizeImage();
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if (thumbnail.size > file.size ~/ 2) {
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thumbnail = null;
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}
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if (thumbnail.size > file.size ~/ 2) {
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thumbnail = null;
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}
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} catch (e) {
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// send no thumbnail
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}
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return sendFileEvent(
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