protected override bool OnPaint(PaintEventArgs eventArgs, Rectangle viewPort, AmbientTheme ambientTheme)
{
bool messageHandled = false;
if (this.draggedDesignerImages != null && DropTargetDesigner is FreeformActivityDesigner)
{
using (Region clipRegion = new Region(ActivityDesignerPaint.GetDesignerPath(ParentView.RootDesigner, false)))
{
Region oldRegion = eventArgs.Graphics.Clip;
eventArgs.Graphics.Clip = clipRegion;
Point[] locations = GetDesignerLocations(DragInitiationPoint, this.movedDesignerImagePoint, DraggedActivities);
Debug.Assert(locations.Length == DraggedActivities.Count);
Debug.Assert(this.draggedDesignerImages.Count == DraggedActivities.Count);
for (int i = 0; i < this.draggedDesignerImages.Count; i++)
{
Size imageSize = this.draggedDesignerImages[i].Size;
ActivityDesignerPaint.DrawImage(eventArgs.Graphics, this.draggedDesignerImages[i], new Rectangle(new Point(locations[i].X - 2 * ambientTheme.Margin.Width, locations[i].Y - 2 * ambientTheme.Margin.Height), imageSize), new Rectangle(Point.Empty, imageSize), DesignerContentAlignment.Fill, 0.4f, false);
}
eventArgs.Graphics.Clip = oldRegion;
}
}
else
{
messageHandled = base.OnPaint(eventArgs, viewPort, ambientTheme);
}
return(messageHandled);
}
public override void OnPaint(PaintEventArgs e, ViewPortData viewPortData)
{
Graphics graphics = e.Graphics;
Bitmap memoryBitmap = viewPortData.MemoryBitmap;
Rectangle rect = new Rectangle(Point.Empty, memoryBitmap.Size);
graphics.FillRectangle(AmbientTheme.WorkspaceBackgroundBrush, rect);
if (((base.parentView.RootDesigner != null) && (base.parentView.RootDesigner.Bounds.Width >= 0)) && (base.parentView.RootDesigner.Bounds.Height >= 0))
{
GraphicsContainer container = graphics.BeginContainer();
Matrix matrix = new Matrix();
matrix.Scale(viewPortData.Scaling.Width, viewPortData.Scaling.Height, MatrixOrder.Prepend);
Point[] pts = new Point[] { viewPortData.LogicalViewPort.Location };
matrix.TransformPoints(pts);
matrix.Translate((float)(-pts[0].X + viewPortData.ShadowDepth.Width), (float)(-pts[0].Y + viewPortData.ShadowDepth.Height), MatrixOrder.Append);
graphics.Transform = matrix;
using (Region region = new Region(ActivityDesignerPaint.GetDesignerPath(base.parentView.RootDesigner, false)))
{
Region clip = graphics.Clip;
graphics.Clip = region;
AmbientTheme ambientTheme = WorkflowTheme.CurrentTheme.AmbientTheme;
graphics.FillRectangle(Brushes.White, base.parentView.RootDesigner.Bounds);
if (ambientTheme.WorkflowWatermarkImage != null)
{
ActivityDesignerPaint.DrawImage(graphics, ambientTheme.WorkflowWatermarkImage, base.parentView.RootDesigner.Bounds, new Rectangle(Point.Empty, ambientTheme.WorkflowWatermarkImage.Size), ambientTheme.WatermarkAlignment, 0.25f, false);
}
graphics.Clip = clip;
}
graphics.EndContainer(container);
}
}
//
public override void OnPaint(PaintEventArgs e, ViewPortData viewPortData)
{
Graphics graphics = e.Graphics;
Debug.Assert(graphics != null);
//Get the drawing canvas
Bitmap memoryBitmap = viewPortData.MemoryBitmap;
Debug.Assert(memoryBitmap != null);
//Fill the background using the workspace color so that we communicate the paging concept
Rectangle workspaceRectangle = new Rectangle(Point.Empty, memoryBitmap.Size);
graphics.FillRectangle(AmbientTheme.WorkspaceBackgroundBrush, workspaceRectangle);
if (this.parentView.RootDesigner != null &&
this.parentView.RootDesigner.Bounds.Width >= 0 && this.parentView.RootDesigner.Bounds.Height >= 0)
{
GraphicsContainer graphicsState = graphics.BeginContainer();
//Create the scaling matrix
Matrix transformationMatrix = new Matrix();
transformationMatrix.Scale(viewPortData.Scaling.Width, viewPortData.Scaling.Height, MatrixOrder.Prepend);
//When we draw on the viewport we draw in scaled and translated.
//So that we minimize the calls to DrawImage
//Make sure that we scale down the logical view port origin in order to take care of scaling factor
//Before we select the transform factor we make sure that logicalviewport origin is scaled down
Point[] logicalViewPortOrigin = new Point[] { viewPortData.LogicalViewPort.Location };
transformationMatrix.TransformPoints(logicalViewPortOrigin);
//For performance improvement and to eliminate one extra DrawImage...we draw the designers on the viewport
//bitmap with visual depth consideration
transformationMatrix.Translate(-logicalViewPortOrigin[0].X + viewPortData.ShadowDepth.Width, -logicalViewPortOrigin[0].Y + viewPortData.ShadowDepth.Height, MatrixOrder.Append);
//Select the transform into viewport graphics.
//Viewport bitmap has the scaled and translated designers which we then map to
//the actual graphics based on page layout
graphics.Transform = transformationMatrix;
using (Region clipRegion = new Region(ActivityDesignerPaint.GetDesignerPath(this.parentView.RootDesigner, false)))
{
Region oldRegion = graphics.Clip;
graphics.Clip = clipRegion;
AmbientTheme ambientTheme = WorkflowTheme.CurrentTheme.AmbientTheme;
graphics.FillRectangle(Brushes.White, this.parentView.RootDesigner.Bounds);
if (ambientTheme.WorkflowWatermarkImage != null)
{
ActivityDesignerPaint.DrawImage(graphics, ambientTheme.WorkflowWatermarkImage, this.parentView.RootDesigner.Bounds, new Rectangle(Point.Empty, ambientTheme.WorkflowWatermarkImage.Size), ambientTheme.WatermarkAlignment, AmbientTheme.WatermarkTransparency, false);
}
graphics.Clip = oldRegion;
}
graphics.EndContainer(graphicsState);
}
}
protected override bool OnPaint(PaintEventArgs eventArgs, Rectangle viewPort, AmbientTheme ambientTheme)
{
bool flag = false;
if ((this.draggedDesignerImages != null) && (base.DropTargetDesigner is FreeformActivityDesigner))
{
using (Region region = new Region(ActivityDesignerPaint.GetDesignerPath(base.ParentView.RootDesigner, false)))
{
Region clip = eventArgs.Graphics.Clip;
eventArgs.Graphics.Clip = region;
Point[] pointArray = GetDesignerLocations(base.DragInitiationPoint, this.movedDesignerImagePoint, base.DraggedActivities);
for (int i = 0; i < this.draggedDesignerImages.Count; i++)
{
Size size = this.draggedDesignerImages[i].Size;
ActivityDesignerPaint.DrawImage(eventArgs.Graphics, this.draggedDesignerImages[i], new Rectangle(new Point(pointArray[i].X - (2 * ambientTheme.Margin.Width), pointArray[i].Y - (2 * ambientTheme.Margin.Height)), size), new Rectangle(Point.Empty, size), DesignerContentAlignment.Fill, 0.4f, false);
}
eventArgs.Graphics.Clip = clip;
return(flag);
}
}
return(base.OnPaint(eventArgs, viewPort, ambientTheme));
}
