private void AddTSpanElementRun(SvgTSpanElement element, ref Point ctp, bool isVertical, bool isSingleLine) { WpfTextPlacement placement = WpfTextRenderer.GetCurrentTextPosition(element, ctp); ctp = placement.Location; double rotate = placement.Rotation; if (!placement.HasPositions) { placement = null; // render it useless } string sBaselineShift = element.GetPropertyValue("baseline-shift").Trim(); double shiftBy = 0; if (sBaselineShift.Length > 0) { double textFontSize = WpfTextRenderer.GetComputedFontSize(_textElement); if (sBaselineShift.EndsWith("%")) { shiftBy = SvgNumber.ParseNumber(sBaselineShift.Substring(0, sBaselineShift.Length - 1)) / 100f * textFontSize; } else if (sBaselineShift == "sub") { shiftBy = -0.6F * textFontSize; } else if (sBaselineShift == "super") { shiftBy = 0.6F * textFontSize; } else if (sBaselineShift == "baseline") { shiftBy = 0; } else { shiftBy = SvgNumber.ParseNumber(sBaselineShift); } } foreach (XmlNode child in element.ChildNodes) { if (child.NodeType == XmlNodeType.Text) { if (isVertical) { ctp.X += shiftBy; if (isSingleLine) { RenderSingleLineTextV(element, ref ctp, WpfTextRenderer.GetText(element, child), rotate, placement); } else { RenderTextRunV(element, ref ctp, WpfTextRenderer.GetText(element, child), rotate, placement); } ctp.X -= shiftBy; } else { ctp.Y -= shiftBy; if (isSingleLine) { RenderSingleLineTextH(element, ref ctp, WpfTextRenderer.GetText(element, child), rotate, placement); } else { RenderTextRunH(element, ref ctp, WpfTextRenderer.GetText(element, child), rotate, placement); } ctp.Y += shiftBy; } } } }
private void AddTSpanElementPath(SvgTSpanElement element, ref PointF ctp) { ctp = GetCurrentTextPosition(element, ctp); string sBaselineShift = element.GetPropertyValue("baseline-shift").Trim(); double shiftBy = 0; if (sBaselineShift.Length > 0) { SvgTextElement textElement = (SvgTextElement)element.SelectSingleNode("ancestor::svg:text", element.OwnerDocument.NamespaceManager); float textFontSize = GetComputedFontSize(textElement); if (sBaselineShift.EndsWith("%")) { shiftBy = SvgNumber.ParseNumber(sBaselineShift.Substring(0, sBaselineShift.Length - 1)) / 100 * textFontSize; } else if (sBaselineShift == "sub") { shiftBy = -0.6F * textFontSize; } else if (sBaselineShift == "super") { shiftBy = 0.6F * textFontSize; } else if (sBaselineShift == "baseline") { shiftBy = 0; } else { shiftBy = SvgNumber.ParseNumber(sBaselineShift); } } foreach (XmlNode child in element.ChildNodes) { if (child.NodeType == XmlNodeType.Text) { ctp.Y -= (float)shiftBy; AddGraphicsPath(element, ref ctp, GetText(element, child)); ctp.Y += (float)shiftBy; } } }
private void RenderTSpanPath(SvgTSpanElement element, WpfTextOnPathDrawing pathDrawing, ref Point ctp) { WpfTextPlacement placement = GetCurrentTextPosition(element, ctp); ctp = placement.Location; double rotate = placement.Rotation; if (!placement.HasPositions) { placement = null; // Render it useless. } string sBaselineShift = element.GetPropertyValue("baseline-shift").Trim(); double shiftBy = 0; if (sBaselineShift.Length > 0) { SvgTextElement textElement = (SvgTextElement)element.SelectSingleNode("ancestor::svg:text", element.OwnerDocument.NamespaceManager); double textFontSize = GetComputedFontSize(textElement); if (sBaselineShift.EndsWith("%")) { shiftBy = SvgNumber.ParseNumber(sBaselineShift.Substring(0, sBaselineShift.Length - 1)) / 100f * textFontSize; } else if (sBaselineShift == "sub") { shiftBy = -0.6F * textFontSize; } else if (sBaselineShift == "super") { shiftBy = 0.6F * textFontSize; } else if (sBaselineShift == "baseline") { shiftBy = 0; } else { shiftBy = SvgNumber.ParseNumber(sBaselineShift); } } foreach (XmlNode child in element.ChildNodes) { if (child.NodeType == XmlNodeType.Text) { ctp.Y -= shiftBy; RenderTextPath(element, pathDrawing, GetText(element, child), new Point(ctp.X, ctp.Y), rotate, placement); ctp.Y += shiftBy; } } }