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;
}
}
}
