53 lines
1.4 KiB
Dart
53 lines
1.4 KiB
Dart
/// Workaround until [File] in dart:io and dart:html is unified
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import 'dart:typed_data';
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import 'package:image/image.dart';
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import 'package:matrix_file_e2ee/matrix_file_e2ee.dart';
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class MatrixFile {
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Uint8List bytes;
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String path;
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/// If this file is an Image, this will resize it to the
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/// given width and height. Otherwise returns false.
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/// At least width or height must be set!
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/// The bytes will be encoded as jpg.
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Future<bool> resize({
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int width,
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int height,
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int quality = 50,
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}) async {
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if (width == null && height == null) {
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throw ('At least width or height must be set!');
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}
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Image image;
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try {
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image = decodeImage(bytes);
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} catch (_) {
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return false;
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}
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var resizedImage = image;
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if (image.width > width) {
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resizedImage = copyResize(image, width: width);
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}
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if (image.height > height) {
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resizedImage = copyResize(image, height: height);
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}
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bytes = encodeJpg(resizedImage, quality: quality);
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return true;
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}
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/// Encrypts this file, changes the [bytes] and returns the
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/// encryption information as an [EncryptedFile].
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Future<EncryptedFile> encrypt() async {
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var encryptFile2 = encryptFile(bytes);
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final encryptedFile = await encryptFile2;
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bytes = encryptedFile.data;
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return encryptedFile;
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}
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MatrixFile({this.bytes, String path}) : path = path.toLowerCase();
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int get size => bytes.length;
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}
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