private void OnCanvasViewIsHighQualityScalingEnabledChanged(object sender, ValueChangedEventArgs <bool> e) { if (!base.CheckAccess()) { PaintDotNet.Canvas.Canvas owner = base.Owner; if ((owner != null) && (owner.Dispatcher != null)) { try { object[] args = new object[] { sender, e }; base.Owner.Dispatcher.BeginInvoke(new Action <object, ValueChangedEventArgs <bool> >(this.OnCanvasViewIsHighQualityScalingEnabledChanged), args); } catch (Exception) { } } } else if (!base.IsDisposed) { CanvasView key = (CanvasView)sender; if (this.documentCanvasLayerViews.ContainsKey(key)) { this.RecreateDocumentCanvasLayerView(key); key.Invalidate(key.GetCanvasBounds()); } } }
private void OnCanvasChanged(PaintDotNet.Canvas.Canvas oldValue, PaintDotNet.Canvas.Canvas newValue) { if (oldValue != null) { oldValue.Invalidated -= new EventHandler <CanvasInvalidatedEventArgs>(this.OnCanvasInvalidated); } if (newValue != null) { newValue.Invalidated += new EventHandler <CanvasInvalidatedEventArgs>(this.OnCanvasInvalidated); } this.CanvasChanged.Raise <PaintDotNet.Canvas.Canvas>(this, oldValue, newValue); }
private bool OnLayoutImpl() { Rectangle clientRectangle = base.ClientRectangle; Size size = clientRectangle.Size; if ((size.Width >= 0) && (size.Height >= 0)) { RectDouble viewportRect = clientRectangle.ToRectDouble(); SizeDouble num2 = size.ToSizeDouble(); int horizontalScrollBarHeight = SystemInformation.HorizontalScrollBarHeight; int verticalScrollBarWidth = SystemInformation.VerticalScrollBarWidth; PaintDotNet.Canvas.Canvas canvas = this.canvasControl.Canvas; PaintDotNet.Canvas.CanvasView canvasView = this.canvasControl.CanvasView; SizeDouble canvasSize = canvasView.CanvasSize; RectDouble canvasBounds = canvasView.GetCanvasBounds(); SizeDouble viewportSize = canvasView.ViewportSize; SizeDouble num9 = canvasView.ViewportCanvasBounds.Size; PointDouble viewportCanvasOffset = canvasView.ViewportCanvasOffset; PointDouble viewportCanvasOffsetMin = canvasView.ViewportCanvasOffsetMin; PointDouble viewportCanvasOffsetMax = canvasView.ViewportCanvasOffsetMax; SizeDouble num14 = canvasView.ConvertViewportToCanvas(viewportRect).Size; SizeDouble num15 = new SizeDouble(Math.Max((double)0.0, (double)(num2.Width - verticalScrollBarWidth)), Math.Max((double)0.0, (double)(num2.Height - horizontalScrollBarHeight))); RectDouble num16 = new RectDouble(viewportRect.Location, num15); SizeDouble num18 = canvasView.ConvertViewportToCanvas(num16).Size; ThicknessDouble frameCanvasPadding = canvasView.FrameCanvasPadding; RectDouble framedCanvasBounds = canvasView.FramedCanvasBounds; bool flag = false; bool flag2 = false; if ((this.canvasControl == null) || (canvasView.ScaleBasis == ScaleBasis.FitToViewport)) { flag = false; flag2 = false; } else { if (framedCanvasBounds.Width > num14.Width) { flag = true; if (framedCanvasBounds.Height > num18.Height) { flag2 = true; } } if (framedCanvasBounds.Height > num14.Height) { flag2 = true; if (framedCanvasBounds.Width > num18.Width) { flag = true; } } } int num21 = size.Width - (flag2 ? verticalScrollBarWidth : 0); int width = Math.Max(0, num21); int num23 = size.Height - (flag ? horizontalScrollBarHeight : 0); int height = Math.Max(0, num23); Rectangle rectangle2 = new Rectangle(0, 0, width, height); double scaleRatio = canvasView.ScaleRatio; this.canvasControl.Bounds = rectangle2; this.canvasControl.PerformLayout(); canvasView.CoerceValue(PaintDotNet.Canvas.CanvasView.ScaleRatioProperty); if ((canvasView.ScaleRatio != scaleRatio) || (canvasView.ViewportSize != viewportSize)) { return(false); } if (flag) { Rectangle newBounds = new Rectangle(0, size.Height - horizontalScrollBarHeight, size.Width - (flag2 ? verticalScrollBarWidth : 0), horizontalScrollBarHeight); int min = this.ConvertToScrollBar(viewportCanvasOffsetMin.X); int max = this.ConvertToScrollBar(viewportCanvasOffsetMax.X + num9.Width); int newLargeChange = this.ConvertToScrollBar(num9.Width); int newSmallChange = this.ConvertToScrollBar(num9.Width / 10.0); int newValue = Int32Util.Clamp(this.ConvertToScrollBar(viewportCanvasOffset.X), min, max); UpdateScrollBar(this.hScrollBar, newBounds, min, max, newLargeChange, newSmallChange, newValue); } if (flag2) { Rectangle rectangle4 = new Rectangle(size.Width - verticalScrollBarWidth, 0, verticalScrollBarWidth, size.Height - (flag ? horizontalScrollBarHeight : 0)); int num31 = this.ConvertToScrollBar(viewportCanvasOffsetMin.Y); int num32 = this.ConvertToScrollBar(viewportCanvasOffsetMax.Y + num9.Height); int num33 = this.ConvertToScrollBar(num9.Height); int num34 = this.ConvertToScrollBar(num9.Height / 10.0); int num35 = Int32Util.Clamp(this.ConvertToScrollBar(viewportCanvasOffset.Y), num31, num32); UpdateScrollBar(this.vScrollBar, rectangle4, num31, num32, num33, num34, num35); } this.hScrollBar.Visible = flag; this.vScrollBar.Visible = flag2; } return(true); }
protected virtual void OnCanvasChanged(PaintDotNet.Canvas.Canvas oldValue, PaintDotNet.Canvas.Canvas newValue) { }