private void AddGraphicsPath(SvgTextContentElement element, ref PointF ctp, string text) { if (text.Length == 0) { return; } float emSize = GetComputedFontSize(element); FontFamily family = GetGDIFontFamily(element, emSize); int style = GetGDIFontStyle(element); StringFormat sf = GetGDIStringFormat(element); GraphicsPath textGeometry = new GraphicsPath(); float xCorrection = 0; if (sf.Alignment == StringAlignment.Near) { xCorrection = emSize * 1 / 6; } else if (sf.Alignment == StringAlignment.Far) { xCorrection = -emSize * 1 / 6; } float yCorrection = (float)(family.GetCellAscent(FontStyle.Regular)) / (float)(family.GetEmHeight(FontStyle.Regular)) * emSize; // TODO: font property PointF p = new PointF(ctp.X - xCorrection, ctp.Y - yCorrection); textGeometry.AddString(text, family, style, emSize, p, sf); if (!textGeometry.GetBounds().IsEmpty) { float bboxWidth = textGeometry.GetBounds().Width; if (sf.Alignment == StringAlignment.Center) { bboxWidth /= 2; } else if (sf.Alignment == StringAlignment.Far) { bboxWidth = 0; } ctp.X += bboxWidth + emSize / 4; } GdiSvgPaint fillPaint = new GdiSvgPaint(element, "fill"); Brush brush = fillPaint.GetBrush(textGeometry); GdiSvgPaint strokePaint = new GdiSvgPaint(element, "stroke"); Pen pen = strokePaint.GetPen(textGeometry); if (brush != null) { if (brush is PathGradientBrush) { GdiGradientFill gps = fillPaint.PaintFill as GdiGradientFill; _graphics.SetClip(gps.GetRadialGradientRegion(textGeometry.GetBounds()), CombineMode.Exclude); SolidBrush tempBrush = new SolidBrush(((PathGradientBrush)brush).InterpolationColors.Colors[0]); _graphics.FillPath(this, tempBrush, textGeometry); tempBrush.Dispose(); _graphics.ResetClip(); } _graphics.FillPath(this, brush, textGeometry); brush.Dispose(); } if (pen != null) { if (pen.Brush is PathGradientBrush) { GdiGradientFill gps = strokePaint.PaintFill as GdiGradientFill; GdiGraphicsContainer container = _graphics.BeginContainer(); _graphics.SetClip(gps.GetRadialGradientRegion(textGeometry.GetBounds()), CombineMode.Exclude); SolidBrush tempBrush = new SolidBrush(((PathGradientBrush)pen.Brush).InterpolationColors.Colors[0]); Pen tempPen = new Pen(tempBrush, pen.Width); _graphics.DrawPath(this, tempPen, textGeometry); tempPen.Dispose(); tempBrush.Dispose(); _graphics.EndContainer(container); } _graphics.DrawPath(this, pen, textGeometry); pen.Dispose(); } textGeometry.Dispose(); }
public override void Render(GdiGraphicsRenderer renderer) { GdiGraphicsWrapper graphics = renderer.GraphicsWrapper; SvgRenderingHint hint = element.RenderingHint; if (hint != SvgRenderingHint.Shape || hint == SvgRenderingHint.Clipping) { return; } if (element.ParentNode is SvgClipPathElement) { return; } SvgStyleableElement styleElm = (SvgStyleableElement)element; string sVisibility = styleElm.GetPropertyValue("visibility"); string sDisplay = styleElm.GetPropertyValue("display"); if (string.Equals(sVisibility, "hidden") || string.Equals(sDisplay, "none")) { return; } GraphicsPath gp = CreatePath(element); 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) { GdiGradientFill gps = fillPaint.PaintFill as GdiGradientFill; 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.FillPath(this, brush, gp); brush.Dispose(); brush = null; } if (pen != null) { if (pen.Brush is PathGradientBrush) { GdiGradientFill gps = strokePaint.PaintFill as GdiGradientFill; GdiGraphicsContainer 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(); pen = null; } gp.Dispose(); gp = null; } PaintMarkers(renderer, styleElm, graphics); }