protected void PerformLayoutBackground(RectangleF innerBorderRect, RenderContext context)
{
// Setup background brush
if (Background != null)
{
// TODO: Draw background only in the inner rectangle (outer rect minus BorderThickness)
using (GraphicsPath path = CreateBorderRectPath(innerBorderRect))
{
// Some backgrounds might not be closed (subclasses sometimes create open background shapes,
// for example GroupBox). To create a completely filled background, we need a closed figure.
path.CloseFigure();
PositionColoredTextured[] verts;
float centerX, centerY;
PointF[] pathPoints = path.PathPoints;
TriangulateHelper.CalcCentroid(pathPoints, out centerX, out centerY);
TriangulateHelper.FillPolygon_TriangleList(pathPoints, centerX, centerY, 1, out verts);
Background.SetupBrush(this, ref verts, context.ZOrder, true);
PrimitiveBuffer.SetPrimitiveBuffer(ref _backgroundContext, ref verts, PrimitiveType.TriangleList);
}
}
else
{
PrimitiveBuffer.DisposePrimitiveBuffer(ref _backgroundContext);
}
}
protected override void DoPerformLayout(RenderContext context)
{
base.DoPerformLayout(context);
// Setup brushes
if (Fill != null || (Stroke != null && StrokeThickness > 0))
{
using (GraphicsPath path = GetEllipse(_innerRect.ToDrawingRectF()))
{
PositionColoredTextured[] verts;
float centerX;
float centerY;
PointF[] pathPoints = path.PathPoints;
TriangulateHelper.CalcCentroid(pathPoints, out centerX, out centerY);
if (Fill != null)
{
TriangulateHelper.FillPolygon_TriangleList(pathPoints, centerX, centerY, 1, out verts);
Fill.SetupBrush(this, ref verts, context.ZOrder, true);
PrimitiveBuffer.SetPrimitiveBuffer(ref _fillContext, ref verts, PrimitiveType.TriangleList);
}
else
{
PrimitiveBuffer.DisposePrimitiveBuffer(ref _fillContext);
}
if (Stroke != null && StrokeThickness > 0)
{
TriangulateHelper.TriangulateStroke_TriangleList(pathPoints, (float)StrokeThickness, true, 1, PenLineJoin.Bevel, out verts);
Stroke.SetupBrush(this, ref verts, context.ZOrder, true);
PrimitiveBuffer.SetPrimitiveBuffer(ref _strokeContext, ref verts, PrimitiveType.TriangleList);
}
else
{
PrimitiveBuffer.DisposePrimitiveBuffer(ref _strokeContext);
}
}
}
}
protected override void DoPerformLayout(RenderContext context)
{
base.DoPerformLayout(context);
if (Stroke != null && StrokeThickness > 0)
{
using (GraphicsPath path = GetLine(_innerRect))
{
float centerX;
float centerY;
PointF[] pathPoints = path.PathPoints;
TriangulateHelper.CalcCentroid(pathPoints, out centerX, out centerY);
PositionColoredTextured[] verts;
TriangulateHelper.FillPolygon_TriangleList(pathPoints, centerX, centerY, 1, out verts);
Stroke.SetupBrush(this, ref verts, context.ZOrder, true);
PrimitiveBuffer.SetPrimitiveBuffer(ref _strokeContext, ref verts, PrimitiveType.TriangleList);
}
}
else
{
PrimitiveBuffer.DisposePrimitiveBuffer(ref _strokeContext);
}
}