public void PaintMarker(GdiRenderer renderer, GraphicsWrapper gr, SvgMarkerPosition markerPos, SvgStyleableElement refElement) { ISharpMarkerHost markerHostElm = (ISharpMarkerHost)refElement; SvgMarkerElement markerElm = (SvgMarkerElement) element; PointF[] vertexPositions = markerHostElm.MarkerPositions; int start; int len; // Choose which part of the position array to use switch (markerPos) { case SvgMarkerPosition.Start: start = 0; len = 1; break; case SvgMarkerPosition.Mid: start = 1; len = vertexPositions.Length - 2; break; default: // == MarkerPosition.End start = vertexPositions.Length-1; len = 1; break; } for ( int i = start; i<start+len; i++ ) { PointF point = vertexPositions[i]; GraphicsContainerWrapper gc = gr.BeginContainer(); gr.TranslateTransform(point.X, point.Y); if ( markerElm.OrientType.AnimVal.Equals(SvgMarkerOrient.Angle) ) { gr.RotateTransform((float)markerElm.OrientAngle.AnimVal.Value); } else { float angle; switch(markerPos) { case SvgMarkerPosition.Start: angle = markerHostElm.GetStartAngle(i + 1); break; case SvgMarkerPosition.Mid: //angle = (markerHostElm.GetEndAngle(i) + markerHostElm.GetStartAngle(i + 1)) / 2; angle = SvgNumber.CalcAngleBisection(markerHostElm.GetEndAngle(i), markerHostElm.GetStartAngle(i + 1)); break; default: angle = markerHostElm.GetEndAngle(i); break; } gr.RotateTransform(angle); } if ( markerElm.MarkerUnits.AnimVal.Equals(SvgMarkerUnit.StrokeWidth) ) { SvgLength strokeWidthLength = new SvgLength(refElement, "stroke-width", SvgLengthSource.Css, SvgLengthDirection.Viewport, "1"); float strokeWidth = (float)strokeWidthLength.Value; gr.ScaleTransform(strokeWidth, strokeWidth); } SvgPreserveAspectRatio spar = (SvgPreserveAspectRatio)markerElm.PreserveAspectRatio.AnimVal; float[] translateAndScale = spar.FitToViewBox( (SvgRect)markerElm.ViewBox.AnimVal, new SvgRect( 0, 0, (float)markerElm.MarkerWidth.AnimVal.Value, (float)markerElm.MarkerHeight.AnimVal.Value) ); gr.TranslateTransform( -(float)markerElm.RefX.AnimVal.Value * translateAndScale[2], -(float)markerElm.RefY.AnimVal.Value * translateAndScale[3] ); gr.ScaleTransform(translateAndScale[2], translateAndScale[3]); Clip(gr); markerElm.RenderChildren(renderer); gr.EndContainer(gc); } }
public void PaintMarker(GdiRenderer renderer, GraphicsWrapper gr, SvgMarkerPosition markerPos, SvgStyleableElement refElement) { ISharpMarkerHost markerHostElm = (ISharpMarkerHost)refElement; SvgMarkerElement markerElm = (SvgMarkerElement)element; PointF[] vertexPositions = markerHostElm.MarkerPositions; int start; int len; // Choose which part of the position array to use switch (markerPos) { case SvgMarkerPosition.Start: start = 0; len = 1; break; case SvgMarkerPosition.Mid: start = 1; len = vertexPositions.Length - 2; break; default: // == MarkerPosition.End start = vertexPositions.Length - 1; len = 1; break; } for (int i = start; i < start + len; i++) { PointF point = vertexPositions[i]; GraphicsContainerWrapper gc = gr.BeginContainer(); gr.TranslateTransform(point.X, point.Y); if (markerElm.OrientType.AnimVal.Equals(SvgMarkerOrient.Angle)) { gr.RotateTransform((float)markerElm.OrientAngle.AnimVal.Value); } else { float angle; switch (markerPos) { case SvgMarkerPosition.Start: angle = markerHostElm.GetStartAngle(i + 1); break; case SvgMarkerPosition.Mid: //angle = (markerHostElm.GetEndAngle(i) + markerHostElm.GetStartAngle(i + 1)) / 2; angle = SvgNumber.CalcAngleBisection(markerHostElm.GetEndAngle(i), markerHostElm.GetStartAngle(i + 1)); break; default: angle = markerHostElm.GetEndAngle(i); break; } gr.RotateTransform(angle); } if (markerElm.MarkerUnits.AnimVal.Equals(SvgMarkerUnit.StrokeWidth)) { SvgLength strokeWidthLength = new SvgLength(refElement, "stroke-width", SvgLengthSource.Css, SvgLengthDirection.Viewport, "1"); float strokeWidth = (float)strokeWidthLength.Value; gr.ScaleTransform(strokeWidth, strokeWidth); } SvgPreserveAspectRatio spar = (SvgPreserveAspectRatio)markerElm.PreserveAspectRatio.AnimVal; float[] translateAndScale = spar.FitToViewBox( (SvgRect)markerElm.ViewBox.AnimVal, new SvgRect( 0, 0, (float)markerElm.MarkerWidth.AnimVal.Value, (float)markerElm.MarkerHeight.AnimVal.Value) ); gr.TranslateTransform( -(float)markerElm.RefX.AnimVal.Value * translateAndScale[2], -(float)markerElm.RefY.AnimVal.Value * translateAndScale[3] ); gr.ScaleTransform(translateAndScale[2], translateAndScale[3]); Clip(gr); markerElm.RenderChildren(renderer); gr.EndContainer(gc); } }
public override void AfterRender(ISvgRenderer renderer) { GraphicsWrapper graphics = ((GdiRenderer)renderer).GraphicsWrapper; graphics.EndContainer(graphicsContainer); }
public override void Render(ISvgRenderer renderer) { GdiRenderer gdiRenderer = renderer as GdiRenderer; GraphicsWrapper graphics = gdiRenderer.GraphicsWrapper; if (!(element is SvgClipPathElement) && !(element.ParentNode is SvgClipPathElement)) { SvgStyleableElement styleElm = element as SvgStyleableElement; if (styleElm != null) { string sVisibility = styleElm.GetPropertyValue("visibility"); string sDisplay = styleElm.GetPropertyValue("display"); if (element is ISharpGDIPath && sVisibility != "hidden" && sDisplay != "none") { GraphicsPath gp = ((ISharpGDIPath)element).GetGraphicsPath(); if (gp != null) { Clip(graphics); GdiSvgPaint fillPaint = new GdiSvgPaint(styleElm, "fill"); Brush brush = fillPaint.GetBrush(gp); GdiSvgPaint strokePaint = new GdiSvgPaint(styleElm, "stroke"); Pen pen = strokePaint.GetPen(gp); if (brush != null) { if (brush is PathGradientBrush) { GradientPaintServer gps = fillPaint.PaintServer as GradientPaintServer; //GraphicsContainer container = graphics.BeginContainer(); graphics.SetClip(gps.GetRadialGradientRegion(gp.GetBounds()), CombineMode.Exclude); SolidBrush tempBrush = new SolidBrush(((PathGradientBrush)brush).InterpolationColors.Colors[0]); graphics.FillPath(this, tempBrush, gp); tempBrush.Dispose(); graphics.ResetClip(); //graphics.EndContainer(container); } graphics.FillPath(this, brush, gp); brush.Dispose(); } if (pen != null) { if (pen.Brush is PathGradientBrush) { GradientPaintServer gps = strokePaint.PaintServer as GradientPaintServer; GraphicsContainerWrapper container = graphics.BeginContainer(); graphics.SetClip(gps.GetRadialGradientRegion(gp.GetBounds()), CombineMode.Exclude); SolidBrush tempBrush = new SolidBrush(((PathGradientBrush)pen.Brush).InterpolationColors.Colors[0]); Pen tempPen = new Pen(tempBrush, pen.Width); graphics.DrawPath(this, tempPen, gp); tempPen.Dispose(); tempBrush.Dispose(); graphics.EndContainer(container); } graphics.DrawPath(this, pen, gp); pen.Dispose(); } } } PaintMarkers(gdiRenderer, styleElm, graphics); } } }