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Fix #401: use the native image provider to render static GIFs

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This commit is contained in:
Paddy Xu
2020-05-31 18:14:55 +03:00
parent a7115f60b6
commit bd16583fa1
1 changed files with 16 additions and 3 deletions
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19
QuickLook.Plugin/QuickLook.Plugin.ImageViewer/AnimatedImage/Providers/GifProvider.cs
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@@ -31,9 +31,16 @@ namespace QuickLook.Plugin.ImageViewer.AnimatedImage.Providers
private Bitmap _fileHandle; private Bitmap _fileHandle;
private BitmapSource _frame; private BitmapSource _frame;
private bool _isPlaying; private bool _isPlaying;
private NativeProvider _nativeProvider;
public GifProvider(string path, MetaProvider meta) : base(path, meta) public GifProvider(string path, MetaProvider meta) : base(path, meta)
{ {
if (!ImageAnimator.CanAnimate(Image.FromFile(path)))
{
_nativeProvider = new NativeProvider(path, meta);
return;
}
_fileHandle = (Bitmap) Image.FromFile(path); _fileHandle = (Bitmap) Image.FromFile(path);
_fileHandle.SetResolution(DpiHelper.DefaultDpi * DpiHelper.GetCurrentScaleFactor().Horizontal, _fileHandle.SetResolution(DpiHelper.DefaultDpi * DpiHelper.GetCurrentScaleFactor().Horizontal,
@@ -47,11 +54,11 @@ namespace QuickLook.Plugin.ImageViewer.AnimatedImage.Providers
public override void Dispose() public override void Dispose()
{ {
if (_fileHandle == null) _nativeProvider?.Dispose();
return; _nativeProvider = null;
ImageAnimator.StopAnimate(_fileHandle, OnFrameChanged); ImageAnimator.StopAnimate(_fileHandle, OnFrameChanged);
_fileHandle.Dispose(); _fileHandle?.Dispose();
_fileHandle = null; _fileHandle = null;
_frame = null; _frame = null;
@@ -59,6 +66,9 @@ namespace QuickLook.Plugin.ImageViewer.AnimatedImage.Providers
public override Task<BitmapSource> GetThumbnail(Size renderSize) public override Task<BitmapSource> GetThumbnail(Size renderSize)
{ {
if (_nativeProvider != null)
return _nativeProvider.GetThumbnail(renderSize);
return new Task<BitmapSource>(() => return new Task<BitmapSource>(() =>
{ {
_frame = _fileHandle.ToBitmapSource(); _frame = _fileHandle.ToBitmapSource();
@@ -68,6 +78,9 @@ namespace QuickLook.Plugin.ImageViewer.AnimatedImage.Providers
public override Task<BitmapSource> GetRenderedFrame(int index) public override Task<BitmapSource> GetRenderedFrame(int index)
{ {
if (_nativeProvider != null)
return _nativeProvider.GetRenderedFrame(index);
return new Task<BitmapSource>(() => return new Task<BitmapSource>(() =>
{ {
if (!_isPlaying) if (!_isPlaying)