internal void removeClip()
{
if (layer != null)
{
layer.Dispose();
layer = null;
}
}
public void EndDraw()
{
End();
if (_drawingLayer != null)
{
_drawingLayer.Dispose();
_drawingLayer = null;
}
}
public void StartGroup(string id, float x, float y, float width, float height, bool clipContent)
{
if (clipContent)
{
_layers.Add(id, _activeLayerRect);
if (_activeLayer != null)
{
_activeLayer.Dispose();
_activeLayer = null;
_activeLayerRect = Rect.Empty;
}
if (_session != null)
{
_activeLayerRect = new Rect(x, y, width, height);
_activeLayer = _session.CreateLayer(1.0f, _activeLayerRect);
}
}
}
public void DrawText(FormattedText formattedText, Point point, Rect?clipRect)
{
var text = formattedText.Text;
var vector = new System.Numerics.Vector2((float)point.X, (float)point.Y);
var brush = formattedText.Brush.ToWin2D(drawingSession);
var canvasTextFormat = new CanvasTextFormat
{
FontSize = formattedText.FontSize,
FontWeight = formattedText.FontWeight.ToWin2D(),
FontFamily = formattedText.FontName,
};
CanvasActiveLayer layer = null;
if (clipRect != null)
{
layer = drawingSession.CreateLayer(new CanvasSolidColorBrush(drawingSession, Colors.Black.ToWin2D()), clipRect.Value.ToWin2D());
}
drawingSession.DrawText(text, vector, brush, canvasTextFormat);
layer?.Dispose();
}