protected override void Dispose(bool disposing)
{
this.owner = null;
this.document = null;
this.overlays = null;
base.Dispose(disposing);
}
public DocumentRenderer(DocumentCanvasLayer owner) : base(owner.Document.Size())
{
Validate.IsNotNull <DocumentCanvasLayer>(owner, "owner");
this.owner = owner;
this.document = this.owner.Document;
Validate.IsNotNull <Document>(this.document, "this.document");
this.overlays = new ConcurrentDictionary <Layer, DocumentLayerOverlay>();
}
public DocumentCanvasLayerView(DocumentCanvasLayer owner, PaintDotNet.Canvas.CanvasView canvasView, IList <DocumentCanvasTileCache> tileCaches)
{
Validate.Begin().IsNotNull <DocumentCanvasLayer>(owner, "owner").IsNotNull <PaintDotNet.Canvas.CanvasView>(canvasView, "canvasView").IsNotNull <IList <DocumentCanvasTileCache> >(tileCaches, "tileCaches").Check();
this.owner = owner;
this.document = this.owner.Document;
this.canvasView = canvasView;
this.canvasView.IsVisibleChanged += new ValueChangedEventHandler <bool>(this.OnCanvasViewIsVisibleChanged);
this.tileCaches = tileCaches;
this.mipLayers = new DocumentCanvasLayerViewMipLayer[this.tileCaches.Count];
for (int i = 0; i < this.mipLayers.Length; i++)
{
this.mipLayers[i] = new DocumentCanvasLayerViewMipLayer(this, this.tileCaches[i].TileMathHelper.TileEdgeLog2, i, this.tileCaches[i]);
}
this.deviceBitmapPool = new ObjectPool <SizeInt32, IDeviceBitmap>(new Func <SizeInt32, IDeviceBitmap>(this.CreateDeviceBitmap), new Action <SizeInt32, IDeviceBitmap>(this.DisposeDeviceBitmap));
this.mipLayerZOrder = new List <DocumentCanvasLayerViewMipLayer>();
}
public void Render(IDrawingContext dc, RectFloat clipRect)
{
if ((!this.beforeRenderCalled || this.renderCalled) || this.afterRenderCalled)
{
throw new PaintDotNet.InternalErrorException();
}
this.renderCalled = true;
using (dc.UseAntialiasMode(AntialiasMode.Aliased))
{
double scaleRatio = this.canvasView.ScaleRatio;
double d = this.ConvertScaleRatioToMipLevel(scaleRatio);
int num3 = (int)Math.Floor(d);
bool flag = Math.Abs((double)(d - Math.Round(d, MidpointRounding.AwayFromZero))) < 0.01;
bool isHighQualityScalingEnabled = DocumentCanvasLayer.GetIsHighQualityScalingEnabled(this.canvasView);
for (int i = this.mipLayerZOrder.Count - 1; i >= 0; i--)
{
DocumentCanvasLayerViewMipLayer layer = this.mipLayerZOrder[i];
if (layer.MipLevel == 0)
{
if (flag)
{
layer.Render(dc, clipRect, 1f, BitmapInterpolationMode.NearestNeighbor);
}
else if (scaleRatio < 1.0)
{
layer.Render(dc, clipRect, 1f, isHighQualityScalingEnabled ? BitmapInterpolationMode.Linear : BitmapInterpolationMode.NearestNeighbor);
}
else
{
layer.Render(dc, clipRect, 1f, BitmapInterpolationMode.NearestNeighbor);
if ((scaleRatio < 2.0) & isHighQualityScalingEnabled)
{
double num5 = d - num3;
double num6 = 1.0 - (((1.0 - num5) * (1.0 - num5)) * (1.0 - num5));
double num7 = DoubleUtil.Clamp(num6, 0.0, 1.0);
layer.Render(dc, clipRect, (float)num7, BitmapInterpolationMode.Linear);
}
}
}
else
{
layer.Render(dc, clipRect, 1f, isHighQualityScalingEnabled ? BitmapInterpolationMode.Linear : BitmapInterpolationMode.NearestNeighbor);
}
}
}
}
public DocumentCanvasTileCache(DocumentCanvasLayer owner, IBitmapSource <ColorBgra32> source, int sourceTileEdgeLog2, int mipLevel, bool highQuality)
{
Validate.Begin().IsNotNull <DocumentCanvasLayer>(owner, "owner").IsNotNull <IBitmapSource <ColorBgra32> >(source, "source").Check();
if (sourceTileEdgeLog2 < 0)
{
ExceptionUtil.ThrowArgumentOutOfRangeException("sourceTileEdgeLog2");
}
if (mipLevel < 0)
{
ExceptionUtil.ThrowArgumentOutOfRangeException("mipLevel");
}
this.syncContext = SynchronizationContext.Current;
this.owner = owner;
this.source = source;
this.sourceSize = this.source.Size;
this.sourceBounds = this.source.Bounds();
this.isHighQuality = highQuality;
this.tileMathHelper = new PaintDotNet.Rendering.TileMathHelper(this.sourceSize.Width, this.sourceSize.Height, sourceTileEdgeLog2);
this.mipLevel = mipLevel;
this.tileIsValid = ArrayUtil.Create2D <bool>(this.tileMathHelper.TileRows, this.tileMathHelper.TileColumns);
this.invalidTileOffsets = new DequeSet <PointInt32>();
this.tileBuffers = ArrayUtil.Create2D <IBitmap <ColorPbgra32> >(this.tileMathHelper.TileRows, this.tileMathHelper.TileColumns);
for (int i = 0; i < this.tileMathHelper.TileRows; i++)
{
for (int j = 0; j < this.tileMathHelper.TileColumns; j++)
{
this.invalidTileOffsets.TryEnqueue(new PointInt32(j, i));
}
}
this.tilesRenderQueue = new DequeSet <PointInt32>();
this.tilesRenderingSet = new HashSet <PointInt32>();
this.tilesRenderingCancelledSet = new ConcurrentSet <PointInt32>();
this.tilesRenderedQueue = new ConcurrentDequeDictionary <PointInt32, RenderedTileInfo>();
this.processTileRenderQueueCallback = new SendOrPostCallback(this.ProcessTileRenderQueueCallback);
this.processTileRenderedQueueCallback = new SendOrPostCallback(this.ProcessTileRenderedQueueCallback);
this.workItemDispatcher = WorkItemDispatcher.Default;
this.workItemQueue = new EditableDataWorkItemQueue <PointInt32>(this.workItemDispatcher, new Action <PointInt32>(this.RenderTileWorkItem));
}
