public async Task ReadFromAsync(IRandomAccessStream imageStream)
{
if ((_canvas == null) || IsDisposed)
{
return;
}
CanvasControl canvas = _canvas;
if (_cBitmap != null)
{
_cBitmap.Dispose();
_cBitmap = null;
}
// TODO: Remove this catch after the Fix in Win2d
try
{
_cBitmap = await CanvasBitmap.LoadAsync(canvas, imageStream);
}
catch (InvalidCastException)
{
}
if (!IsDisposed)
{
await canvas.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => canvas.Invalidate()).AsTask().ConfigureAwait(false);
}
}
/// <summary>
/// Resizes the IImageSurface with the given size and redraws the IImageSurface by loading
/// image from the new Uri.
/// </summary>
/// <param name="uri">Uri of the image to be loaded onto the IImageSurface.</param>
/// <param name="size">New size of the IImageSurface</param>
/// <param name="options">The image's resize and alignment options in the allocated space.</param>
/// <returns>Task</returns>
public Task RedrawAsync(Uri uri, Size size, ImageSurfaceOptions options)
{
// If the given Uri differs from the previously stored Uri or if the ImageSurface was
// directly created from a CanvasBitmap, dispose the existing canvasBitmap
if ((_uri != null && !_uri.IsEqualTo(uri)) ||
(_uri == null && _canvasBitmap != null))
{
_canvasBitmap?.Dispose();
_canvasBitmap = null;
_raiseLoadCompletedEvent = uri != null;
}
// Set the image options
Options = options;
// Resize the surface only if AutoResize option is disabled
if (!Options.AutoResize)
{
// resize the IImageSurface
_generator.ResizeDrawingSurface(_surfaceLock, _surface, size);
// Set the size
Size = _surface?.Size ?? new Size(0, 0);
}
// Set the new Uri of the image to be loaded
_uri = uri;
// Reload the IImageSurface
return(RedrawSurfaceAsync());
}
public void Dispose()
{
RenderTarget?.Dispose();
RenderTarget = null;
RenderTargetSurface?.Dispose();
RenderTargetSurface = null;
}
/// <summary>
/// Redraws the SurfaceImage by loading image from the new Uri
/// </summary>
/// <param name="uri">Uri of the image to be loaded on to the image surface.</param>
/// <returns>Task</returns>
public Task RedrawAsync(Uri uri)
{
// If the given Uri differs from the previously stored Uri
// dispose the existing canvasBitmap
if (!_uri.IsEqualTo(uri))
{
_canvasBitmap?.Dispose();
_canvasBitmap = null;
}
// Set the new Uri of the image to be loaded
_uri = uri;
// Reload the SurfaceImage
return(RedrawSurfaceImageInternalAsync());
}
private void ThisUnloaded(object sender, RoutedEventArgs e)
{
DisplayInformation.DisplayContentsInvalidated -= DisplayInformation_DisplayContentsInvalidated;
_canvas?.RemoveFromVisualTree();
_canvas = null;
// dispose buffers
_buffer.Dispose();
_tmpBuffer.Dispose();
_background.Dispose();
foreach (var buffer in _undoBuffer)
{
buffer.Value.Dispose();
}
foreach (var buffer in _redoBuffer)
{
buffer.Value.Dispose();
}
foreach (var layer in _layers)
{
layer.Image.Dispose();
}
_undoBuffer.Clear();
_redoBuffer.Clear();
_layers.Clear();
_buffer = null;
_tmpBuffer = null;
_background = null;
}
private async Task AddThumbnail_FreeResource(StackPanel stackPanel, CanvasBitmap canvasBitmap, string effectName)
{
InMemoryRandomAccessStream randomAccessStream = new InMemoryRandomAccessStream();
if (canvasBitmap != null)
{
await canvasBitmap.SaveAsync(randomAccessStream, CanvasBitmapFileFormat.Png);
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.SetSource(randomAccessStream);
Image image = new Image();
image.Width = simplePhotoEditor.thumbnailSize;
image.Height = simplePhotoEditor.thumbnailSize;
image.Margin = new Thickness(10, 5, 10, 5);
image.Source = bitmapImage;
TextBlock textBlock = new TextBlock();
textBlock.Text = effectName;
textBlock.Margin = new Thickness(1, 1, 1, 10);
textBlock.TextAlignment = TextAlignment.Center;
StackPanel stackPanelBlock = new StackPanel();
stackPanelBlock.Orientation = Orientation.Vertical;
stackPanelBlock.Children.Add(image);
stackPanelBlock.Children.Add(textBlock);
stackPanelBlock.Tapped += Image_Tapped;
stackPanel.Children.Add(stackPanelBlock);
canvasBitmap.Dispose();
canvasBitmap = null;
}
}
public IImage Downsize(float maxWidthOrHeight, bool disposeOriginal = false)
{
if (Width > maxWidthOrHeight || Height > maxWidthOrHeight)
{
using (var memoryStream = new InMemoryRandomAccessStream())
{
Save(memoryStream.AsStreamForWrite());
memoryStream.Seek(0);
// ReSharper disable once AccessToDisposedClosure
var newBitmap = AsyncPump.Run(async() => await CanvasBitmap.LoadAsync(_creator, memoryStream, 96));
using (var memoryStream2 = new InMemoryRandomAccessStream())
{
// ReSharper disable once AccessToDisposedClosure
AsyncPump.Run(async() => await newBitmap.SaveAsync(memoryStream2, CanvasBitmapFileFormat.Png));
memoryStream2.Seek(0);
var newImage = W2DGraphicsService.Instance.LoadImageFromStream(memoryStream2.AsStreamForRead());
if (disposeOriginal)
{
_bitmap.Dispose();
}
return(newImage);
}
}
}
return(this);
}
/// <summary>
/// 设置图片
/// </summary>
/// <param name="file"></param>
public async Task SetImage(StorageFile file)
{
File = file;
CanvasBitmap?.Dispose();
CanvasBitmap = await CanvasBitmap.LoadAsync(CanvasDevice, await file.OpenAsync(FileAccessMode.Read));
Upload = true;
}
/// <summary>
/// 设置图片
/// </summary>
/// <param name="stream"></param>
/// <returns></returns>
public async Task SetImage(IRandomAccessStream stream)
{
CanvasBitmap?.Dispose();
CanvasBitmap = await CanvasBitmap.LoadAsync(CanvasDevice, stream);
await WaterBerbouPelJicayweeno("");
Upload = true;
}
public void Dispose()
{
if (tempSurface != null)
{
bound = default(Rect);
tempSurface.Dispose();
blur.Dispose();
canDraw = false;
}
}
private void SvgAnimPlayer_Unloaded(object sender, RoutedEventArgs e)
{
lock (_lockobj)
{
_win2DSvg?.Dispose();
_win2DSvg = null;
_handBitmap?.Dispose();
_handBitmap = null;
};
}
private void Eyedropper_Unloaded(object sender, RoutedEventArgs e)
{
UnhookEvents();
if (_popup != null)
{
_popup.IsOpen = false;
}
_appScreenshot?.Dispose();
_appScreenshot = null;
}
public void Dispose()
{
if (surfaceLoaded && bitmap != null)
{
bitmap.Dispose();
surfaceLoaded = false;
}
freeParticles.Clear();
ActiveParticles.Clear();
}
public void ResetBitmapResources()
{
if (canvasBitmap != null)
{
canvasBitmap.Dispose();
canvasBitmap = null;
}
if (canvasRenderTarget != null)
{
canvasRenderTarget.Dispose();
canvasRenderTarget = null;
}
if (canvasRenderTargetPreview != null)
{
canvasRenderTargetPreview.Dispose();
canvasRenderTargetPreview = null;
}
}
public void ConvertEmptyASCII(int width, int height)
{
CanvasVisibility = Visibility.Collapsed;
ASCIIText = GetEmptyText(width, height);
TextWidth = width;
TextHeight = height;
if (canvasBitmap != null)
{
canvasBitmap.Dispose();
canvasBitmap = null;
}
}
/// <summary>
/// 设置图片
/// </summary>
/// <param name="file"></param>
public async Task SetImage(StorageFile file)
{
File = file;
CanvasBitmap?.Dispose();
ImageFile = GetFileImage(file);
if (ImageFile != ImageEnum.Gif)
{
CanvasBitmap = await CanvasBitmap.LoadAsync(CanvasDevice, await file.OpenAsync(FileAccessMode.Read));
}
Upload = true;
}
private void DisposeLiveviewImageBitmap()
{
rwLock.EnterWriteLock();
try
{
LiveviewImageBitmap?.Dispose();
LiveviewImageBitmap = null;
}
finally
{
rwLock.ExitWriteLock();
}
}
private void Eyedropper_Unloaded(object sender, RoutedEventArgs e)
{
UnhookEvents();
if (_popup != null)
{
_popup.IsOpen = false;
}
_appScreenshot?.Dispose();
_appScreenshot = null;
Window.Current.CoreWindow.PointerCursor = DefaultCursor;
}
//Dispose variables and clear memory
void DisposeVariables()
{
try
{
Debug.WriteLine("Setting the last background task run date.");
vApplicationSettings["BgStatusLastRunDate"] = DateTimeNow.ToString(vCultureInfoEng);
Debug.WriteLine("Disposing variables and clearing memory.");
if (Win2DCanvasDevice != null)
{
Win2DCanvasDevice.Dispose();
}
if (Win2DCanvasRenderTarget != null)
{
Win2DCanvasRenderTarget.Dispose();
}
if (Win2DCanvasBitmap != null)
{
Win2DCanvasBitmap.Dispose();
}
if (Win2DCanvasImageBrush != null)
{
Win2DCanvasImageBrush.Dispose();
}
if (Win2DCanvasTextFormatTitle != null)
{
Win2DCanvasTextFormatTitle.Dispose();
}
if (Win2DCanvasTextFormatBody != null)
{
Win2DCanvasTextFormatBody.Dispose();
}
if (Win2DCanvasTextFormatSub != null)
{
Win2DCanvasTextFormatSub.Dispose();
}
if (Win2DCanvasTextFormatTextLeft != null)
{
Win2DCanvasTextFormatTextLeft.Dispose();
}
if (Win2DCanvasTextFormatTextRight != null)
{
Win2DCanvasTextFormatTextRight.Dispose();
}
if (Win2DCanvasTextFormatTextCenter != null)
{
Win2DCanvasTextFormatTextCenter.Dispose();
}
}
catch { }
}
protected override void OnNavigatedFrom(NavigationEventArgs e)
{
_radialConfiguration.IsMenuSuppressed = false;
_radialController.RotationChanged -= RadialController_RotationChanged;
_radialController.ScreenContactStarted -= RadialController_ScreenContactStarted;
_radialController.ScreenContactEnded -= RadialController_ScreenContactEnded;
_radialController.ButtonPressed -= RadialController_ButtonPressed;
_radialController.ButtonReleased -= RadialController_ButtonReleased;
_effect.Dispose();
_canvasBitmap.Dispose();
_canvasRenderTarget.Dispose();
}
/// <summary>
/// Resizes and redraws the IImageMaskSurface using the given CanvasBitmap's alpha values with the given padding
/// using the given options.
/// </summary>
/// <param name="surfaceBitmap">Image whose alpha values are to be used to create the mask.</param>
/// <param name="size">New size of the IImageMaskSurface.</param>
/// <param name="padding">The padding between the IImageMaskSurface outer bounds and the bounds of the area where
/// the mask, created from the loaded image's alpha values, should be rendered.</param>
/// <param name="options">The image's resize, alignment and blur radius options in the allocated space.</param>
public void Redraw(CanvasBitmap surfaceBitmap, Size size, Thickness padding, ImageSurfaceOptions options)
{
if (_canvasBitmap != surfaceBitmap)
{
// Dispose the previous canvas bitmap resource (if any)
if (_canvasBitmap != null)
{
_canvasBitmap.Dispose();
_canvasBitmap = null;
}
if (surfaceBitmap != null)
{
// No need to copy again if _canvasBitmap and surfaceBitmap are same
if (_canvasBitmap != surfaceBitmap)
{
// Copy the surface bitmap onto _canvasBitmap
_canvasBitmap = CanvasBitmap.CreateFromBytes(_generator.Device,
surfaceBitmap.GetPixelBytes(),
(int)surfaceBitmap.Bounds.Width,
(int)surfaceBitmap.Bounds.Height,
surfaceBitmap.Format);
}
}
else
{
_canvasBitmap = null;
}
}
_uri = null;
_raiseLoadCompletedEvent = false;
// Set the options
Options = options;
// Resize if required
if (Size != size)
{
// resize the IImageMaskSurface
_generator.ResizeDrawingSurface(_surfaceLock, _surface, size);
// Set the size
Size = _surface?.Size ?? new Size(0, 0);
}
// Set the mask padding
MaskPadding = padding;
// Redraw the IImageMaskSurface
RedrawSurface();
}
private static async Task CropImageWithShapeAsync(WriteableBitmap writeableBitmap, IRandomAccessStream stream, Rect croppedRect, BitmapFileFormat bitmapFileFormat, CropShape cropShape)
{
var device = CanvasDevice.GetSharedDevice();
var clipGeometry = CreateClipGeometry(device, cropShape, new Size(croppedRect.Width, croppedRect.Height));
if (clipGeometry == null)
{
return;
}
CanvasBitmap sourceBitmap = null;
using (var randomAccessStream = new InMemoryRandomAccessStream())
{
await CropImageAsync(writeableBitmap, randomAccessStream, croppedRect, bitmapFileFormat);
sourceBitmap = await CanvasBitmap.LoadAsync(device, randomAccessStream);
}
using (var offScreen = new CanvasRenderTarget(device, (float)croppedRect.Width, (float)croppedRect.Height, 96f))
{
using (var drawingSession = offScreen.CreateDrawingSession())
using (var markCommandList = new CanvasCommandList(device))
{
using (var markDrawingSession = markCommandList.CreateDrawingSession())
{
markDrawingSession.FillGeometry(clipGeometry, Colors.Black);
}
var alphaMaskEffect = new AlphaMaskEffect
{
Source = sourceBitmap,
AlphaMask = markCommandList
};
drawingSession.DrawImage(alphaMaskEffect);
alphaMaskEffect.Dispose();
}
clipGeometry.Dispose();
sourceBitmap.Dispose();
var pixelBytes = offScreen.GetPixelBytes();
var bitmapEncoder = await BitmapEncoder.CreateAsync(GetEncoderId(bitmapFileFormat), stream);
bitmapEncoder.SetPixelData(BitmapPixelFormat.Bgra8, BitmapAlphaMode.Premultiplied, offScreen.SizeInPixels.Width, offScreen.SizeInPixels.Height, 96.0, 96.0, pixelBytes);
await bitmapEncoder.FlushAsync();
}
}
private void OnUnloaded(object sender, RoutedEventArgs e)
{
Subscribe(false);
_canvas.CreateResources -= OnCreateResources;
_canvas.Draw -= OnDraw;
_canvas.Unloaded -= OnUnloaded;
_canvas.RemoveFromVisualTree();
_canvas = null;
Dispose();
//_animation?.Dispose();
_animation = null;
_bitmap?.Dispose();
_bitmap = null;
}
/// <summary>
/// Resizes and redraws the IImageSurface using the given CanvasBitmap using the given options.
/// </summary>
/// <param name="surfaceBitmap">Image whose alpha values are to be used to create the mask.</param>
/// <param name="size">New size of the IImageSurface.</param>
/// <param name="options">The image's resize, alignment options in the allocated space.</param>
public void Redraw(CanvasBitmap surfaceBitmap, Size size, ImageSurfaceOptions options)
{
if (_canvasBitmap != surfaceBitmap)
{
// Dispose the previous canvas bitmap resource (if any)
if (_canvasBitmap != null)
{
_canvasBitmap.Dispose();
_canvasBitmap = null;
}
if (surfaceBitmap != null)
{
if (_canvasBitmap != surfaceBitmap)
{
// Copy the surface bitmap onto _canvasBitmap
_canvasBitmap = CanvasBitmap.CreateFromBytes(_generator.Device,
surfaceBitmap.GetPixelBytes(),
(int)surfaceBitmap.Bounds.Width,
(int)surfaceBitmap.Bounds.Height,
surfaceBitmap.Format);
}
}
else
{
_canvasBitmap = null;
}
}
_uri = null;
_raiseLoadCompletedEvent = false;
// Set the options
Options = options;
// Resize the surface only if AutoResize option is disabled
if (!Options.AutoResize && Size != size)
{
// resize the IImageMaskSurface
_generator.ResizeDrawingSurface(_surfaceLock, _surface, size);
// Set the size
Size = _surface?.Size ?? new Size(0, 0);
}
// Redraw the IImageMaskSurface
RedrawSurface();
}
private void OnCreateResources(CanvasControl sender, CanvasCreateResourcesEventArgs args)
{
if (_bitmap != null)
{
_bitmap.Dispose();
}
var buffer = ArrayPool <byte> .Shared.Rent(256 * 256 * 4);
_bitmap = CanvasBitmap.CreateFromBytes(sender, buffer, _frameSize.Width, _frameSize.Height, DirectXPixelFormat.B8G8R8A8UIntNormalized);
ArrayPool <byte> .Shared.Return(buffer);
if (args.Reason == CanvasCreateResourcesReason.FirstTime)
{
OnSourceChanged(UriToPath(Source), _source);
Invalidate();
}
}
public void Dispose()
{
RenderTarget?.Dispose();
RenderTarget = null;
}
