Exemplo n.º 1
0
        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);
            }
        }
Exemplo n.º 2
0
        protected override void DoPerformLayout(RenderContext context)
        {
            base.DoPerformLayout(context);

            // Setup brushes
            if (Fill != null || (Stroke != null && StrokeThickness > 0))
            {
                using (GraphicsPath path = CreateRectanglePath(_innerRect))
                {
                    if (path.PointCount == 0)
                    {
                        return;
                    }

                    PointF[] pathPoints = path.PathPoints;
                    PositionColoredTextured[] verts;

                    float centerX = _innerRect.Width / 2 + _innerRect.Left;
                    float centerY = _innerRect.Height / 2 + _innerRect.Top;
                    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, StrokeLineJoin, out verts);
                        Stroke.SetupBrush(this, ref verts, context.ZOrder, true);
                        PrimitiveBuffer.SetPrimitiveBuffer(ref _strokeContext, ref verts, PrimitiveType.TriangleList);
                    }
                    else
                    {
                        PrimitiveBuffer.DisposePrimitiveBuffer(ref _strokeContext);
                    }
                }
            }
        }
Exemplo n.º 3
0
        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);
                    }
                }
            }
        }
Exemplo n.º 4
0
        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);
            }
        }