public override void RenderAllStrokes(RenderingContext context, IEnumerable <Identifier> excluded, Rect?clipRect)
{
lock (mDryStrokeLock)
{
foreach (var stroke in mDryStrokes)
{
if (excluded == null || !excluded.Contains(stroke.Id))
{
// Draw current stroke
context.SetTarget(mRenderer.CurrentStrokeLayer);
context.ClearColor(Colors.Transparent);
DoRenderStroke(context, stroke, mRenderer.TranslationLayerPainted);
// Blend stroke to Scene Layer
context.SetTarget(mRenderer.SceneLayer);
context.DrawLayer(mRenderer.CurrentStrokeLayer, null, Ink.Rendering.BlendMode.SourceOver);
// Blend Current Stroke to All Strokes Layer
context.SetTarget(mRenderer.AllStrokesLayer);
context.DrawLayer(mRenderer.CurrentStrokeLayer, null, Ink.Rendering.BlendMode.SourceOver);
}
}
}
}
public void RenderSelectedStrokes(IEnumerable <Identifier> selectedStrokeIds)
{
if (!StrokeHandler.IsSelecting)
{
throw new InvalidOperationException("Unexpected call to RenderSelectedStrokes");
}
RenderingContext.SetTarget(TranslationLayer);
RenderingContext.ClearColor(MediaColor.FromArgb(27, 0, 0, 0)); // Black transparent background
RenderingContext.TransformMatrix = StrokeHandler.TransformationMatrix;
// Draw the selected strokes
Rect rect = StrokeHandler.DoRenderSelectedStrokes(RenderingContext, selectedStrokeIds);
if (selectedStrokeIds.Count() == 0)
{
TranslationLayerPainted = false;
}
else
{
TranslationLayerPainted = true;
}
RenderingContext.TransformMatrix = Matrix3x2.Identity;
}
private void ReconstructScene(Rect clipRect)
{
// Reconstruct the scene under the current stroke (only within the updated rect)
RenderingContext.SetTarget(SceneLayer, clipRect);
RenderingContext.ClearColor(StrokeHandler.BackgroundColor);
RenderingContext.DrawLayerAtPoint(AllStrokesLayer, clipRect, new Point(clipRect.X, clipRect.Y), Ink.Rendering.BlendMode.SourceOver);
// Blend the current stroke on top (only within the updated rect)
RenderingContext.DrawLayerAtPoint(PrelimPathLayer, clipRect, new Point(clipRect.X, clipRect.Y), Ink.Rendering.BlendMode.SourceOver);
}
private void BlendCurrentStrokesLayerToAllStrokesLayer()
{
RenderingContext.SetTarget(AllStrokesLayer);
RenderingContext.DrawLayer(CurrentStrokeLayer, null, Ink.Rendering.BlendMode.SourceOver);
RenderingContext.SetTarget(CurrentStrokeLayer);
RenderingContext.ClearColor(Colors.Transparent);
DirtyRectManager.Reset();
}
/// <summary>
/// Redraw all saved strokes
/// </summary>
/// <param name="clipRect">Optional clipping rectangle</param>
public void RedrawAllStrokes(IEnumerable <Identifier> excluded, Rect?clipRect)
{
RenderingContext.SetTarget(AllStrokesLayer, clipRect);
RenderingContext.ClearColor(StrokeHandler.BackgroundColor);
StrokeHandler.RenderAllStrokes(RenderingContext, excluded, clipRect);
// Clear CurrentStroke to prepare for next draw
RenderingContext.SetTarget(CurrentStrokeLayer);
RenderingContext.ClearColor(Colors.Transparent);
RenderBackbuffer();
// Present backbuffer to the screen
PresentGraphics();
}
/// <summary>
/// Clears all layers
/// </summary>
public void ClearLayers()
{
RenderingContext.SetTarget(BackBufferLayer);
RenderingContext.ClearColor(StrokeHandler.BackgroundColor);
RenderingContext.SetTarget(SceneLayer);
RenderingContext.ClearColor(StrokeHandler.BackgroundColor);
RenderingContext.SetTarget(AllStrokesLayer);
RenderingContext.ClearColor(Colors.Transparent);
RenderingContext.SetTarget(PrelimPathLayer);
RenderingContext.ClearColor(Colors.Transparent);
RenderingContext.SetTarget(CurrentStrokeLayer);
RenderingContext.ClearColor(Colors.Transparent);
RenderingContext.SetTarget(TranslationLayer);
RenderingContext.ClearColor(Colors.Transparent);
}
