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rename image provider

This commit is contained in:
niuhuan 2021-11-06 15:01:25 +08:00
parent 0963ad1247
commit 173c19d557
3 changed files with 26 additions and 26 deletions
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2
lib/screens/FilePhotoViewScreen.dart
View File

@ -14,7 +14,7 @@ class FilePhotoViewScreen extends StatelessWidget {
body: Stack( body: Stack(
children: [ children: [
PhotoView( PhotoView(
imageProvider: PicaFileImageProvider(filePath), imageProvider: ResourceFileImageProvider(filePath),
), ),
InkWell( InkWell(
onTap: () => Navigator.of(context).pop(), onTap: () => Navigator.of(context).pop(),

4
lib/screens/components/ImageReader.dart
View File

@ -713,7 +713,7 @@ class _GalleryReaderState extends State<_GalleryReader> {
if (item.downloadLocalPath != null) { if (item.downloadLocalPath != null) {
return PhotoViewGalleryPageOptions( return PhotoViewGalleryPageOptions(
imageProvider: imageProvider:
PicaDownloadFileImageProvider(item.downloadLocalPath!), ResourceDownloadFileImageProvider(item.downloadLocalPath!),
errorBuilder: (b, e, s) { errorBuilder: (b, e, s) {
print("$e,$s"); print("$e,$s");
return LayoutBuilder( return LayoutBuilder(
@ -726,7 +726,7 @@ class _GalleryReaderState extends State<_GalleryReader> {
); );
} }
return PhotoViewGalleryPageOptions( return PhotoViewGalleryPageOptions(
imageProvider: PicaRemoteImageProvider(item.fileServer, item.path), imageProvider: ResourceRemoteImageProvider(item.fileServer, item.path),
errorBuilder: (b, e, s) { errorBuilder: (b, e, s) {
print("$e,$s"); print("$e,$s");
return LayoutBuilder( return LayoutBuilder(

46
lib/screens/components/Images.dart
View File

@ -7,14 +7,14 @@ import 'dart:io';
import 'dart:ui' as ui show Codec; import 'dart:ui' as ui show Codec;
// 从本地加载图片 // 从本地加载图片
class PicaFileImageProvider extends ImageProvider<PicaFileImageProvider> { class ResourceFileImageProvider extends ImageProvider<ResourceFileImageProvider> {
final String path; final String path;
final double scale; final double scale;
PicaFileImageProvider(this.path, {this.scale = 1.0}); ResourceFileImageProvider(this.path, {this.scale = 1.0});
@override @override
ImageStreamCompleter load(PicaFileImageProvider key, DecoderCallback decode) { ImageStreamCompleter load(ResourceFileImageProvider key, DecoderCallback decode) {
return MultiFrameImageStreamCompleter( return MultiFrameImageStreamCompleter(
codec: _loadAsync(key), codec: _loadAsync(key),
scale: key.scale, scale: key.scale,
@ -22,11 +22,11 @@ class PicaFileImageProvider extends ImageProvider<PicaFileImageProvider> {
} }
@override @override
Future<PicaFileImageProvider> obtainKey(ImageConfiguration configuration) { Future<ResourceFileImageProvider> obtainKey(ImageConfiguration configuration) {
return SynchronousFuture<PicaFileImageProvider>(this); return SynchronousFuture<ResourceFileImageProvider>(this);
} }
Future<ui.Codec> _loadAsync(PicaFileImageProvider key) async { Future<ui.Codec> _loadAsync(ResourceFileImageProvider key) async {
assert(key == this); assert(key == this);
return PaintingBinding.instance! return PaintingBinding.instance!
.instantiateImageCodec(await File(path).readAsBytes()); .instantiateImageCodec(await File(path).readAsBytes());
@ -35,7 +35,7 @@ class PicaFileImageProvider extends ImageProvider<PicaFileImageProvider> {
@override @override
bool operator ==(dynamic other) { bool operator ==(dynamic other) {
if (other.runtimeType != runtimeType) return false; if (other.runtimeType != runtimeType) return false;
final PicaFileImageProvider typedOther = other; final ResourceFileImageProvider typedOther = other;
return path == typedOther.path && scale == typedOther.scale; return path == typedOther.path && scale == typedOther.scale;
} }
@ -50,16 +50,16 @@ class PicaFileImageProvider extends ImageProvider<PicaFileImageProvider> {
} }
// 从本地加载图片 // 从本地加载图片
class PicaDownloadFileImageProvider class ResourceDownloadFileImageProvider
extends ImageProvider<PicaDownloadFileImageProvider> { extends ImageProvider<ResourceDownloadFileImageProvider> {
final String path; final String path;
final double scale; final double scale;
PicaDownloadFileImageProvider(this.path, {this.scale = 1.0}); ResourceDownloadFileImageProvider(this.path, {this.scale = 1.0});
@override @override
ImageStreamCompleter load( ImageStreamCompleter load(
PicaDownloadFileImageProvider key, DecoderCallback decode) { ResourceDownloadFileImageProvider key, DecoderCallback decode) {
return MultiFrameImageStreamCompleter( return MultiFrameImageStreamCompleter(
codec: _loadAsync(key), codec: _loadAsync(key),
scale: key.scale, scale: key.scale,
@ -67,12 +67,12 @@ class PicaDownloadFileImageProvider
} }
@override @override
Future<PicaDownloadFileImageProvider> obtainKey( Future<ResourceDownloadFileImageProvider> obtainKey(
ImageConfiguration configuration) { ImageConfiguration configuration) {
return SynchronousFuture<PicaDownloadFileImageProvider>(this); return SynchronousFuture<ResourceDownloadFileImageProvider>(this);
} }
Future<ui.Codec> _loadAsync(PicaDownloadFileImageProvider key) async { Future<ui.Codec> _loadAsync(ResourceDownloadFileImageProvider key) async {
assert(key == this); assert(key == this);
return PaintingBinding.instance!.instantiateImageCodec( return PaintingBinding.instance!.instantiateImageCodec(
await File(await method.downloadImagePath(path)).readAsBytes()); await File(await method.downloadImagePath(path)).readAsBytes());
@ -81,7 +81,7 @@ class PicaDownloadFileImageProvider
@override @override
bool operator ==(dynamic other) { bool operator ==(dynamic other) {
if (other.runtimeType != runtimeType) return false; if (other.runtimeType != runtimeType) return false;
final PicaDownloadFileImageProvider typedOther = other; final ResourceDownloadFileImageProvider typedOther = other;
return path == typedOther.path && scale == typedOther.scale; return path == typedOther.path && scale == typedOther.scale;
} }
@ -96,16 +96,16 @@ class PicaDownloadFileImageProvider
} }
// 从远端加载图片 暂时未使用 (现在都是先获取路径然后再通过file显示) // 从远端加载图片 暂时未使用 (现在都是先获取路径然后再通过file显示)
class PicaRemoteImageProvider extends ImageProvider<PicaRemoteImageProvider> { class ResourceRemoteImageProvider extends ImageProvider<ResourceRemoteImageProvider> {
final String fileServer; final String fileServer;
final String path; final String path;
final double scale; final double scale;
PicaRemoteImageProvider(this.fileServer, this.path, {this.scale = 1.0}); ResourceRemoteImageProvider(this.fileServer, this.path, {this.scale = 1.0});
@override @override
ImageStreamCompleter load( ImageStreamCompleter load(
PicaRemoteImageProvider key, DecoderCallback decode) { ResourceRemoteImageProvider key, DecoderCallback decode) {
return MultiFrameImageStreamCompleter( return MultiFrameImageStreamCompleter(
codec: _loadAsync(key), codec: _loadAsync(key),
scale: key.scale, scale: key.scale,
@ -113,11 +113,11 @@ class PicaRemoteImageProvider extends ImageProvider<PicaRemoteImageProvider> {
} }
@override @override
Future<PicaRemoteImageProvider> obtainKey(ImageConfiguration configuration) { Future<ResourceRemoteImageProvider> obtainKey(ImageConfiguration configuration) {
return SynchronousFuture<PicaRemoteImageProvider>(this); return SynchronousFuture<ResourceRemoteImageProvider>(this);
} }
Future<ui.Codec> _loadAsync(PicaRemoteImageProvider key) async { Future<ui.Codec> _loadAsync(ResourceRemoteImageProvider key) async {
assert(key == this); assert(key == this);
var downloadTo = await method.remoteImageData(fileServer, path); var downloadTo = await method.remoteImageData(fileServer, path);
return PaintingBinding.instance! return PaintingBinding.instance!
@ -127,7 +127,7 @@ class PicaRemoteImageProvider extends ImageProvider<PicaRemoteImageProvider> {
@override @override
bool operator ==(dynamic other) { bool operator ==(dynamic other) {
if (other.runtimeType != runtimeType) return false; if (other.runtimeType != runtimeType) return false;
final PicaRemoteImageProvider typedOther = other; final ResourceRemoteImageProvider typedOther = other;
return fileServer == typedOther.fileServer && return fileServer == typedOther.fileServer &&
path == typedOther.path && path == typedOther.path &&
scale == typedOther.scale; scale == typedOther.scale;
@ -280,7 +280,7 @@ Widget buildLoading(double? width, double? height) {
Widget buildFile(String file, double? width, double? height, Widget buildFile(String file, double? width, double? height,
{BoxFit fit = BoxFit.cover}) { {BoxFit fit = BoxFit.cover}) {
return Image( return Image(
image: PicaFileImageProvider(file), image: ResourceFileImageProvider(file),
width: width, width: width,
height: height, height: height,
errorBuilder: (a, b, c) { errorBuilder: (a, b, c) {