protected override void Write(MamlRenderer renderer, MathBlock obj)
{
string formulaText = string.Empty; // obj.Content.Text.Substring(obj.Content.Start, obj.Content.Length);
for (int i = 0; i < obj.Lines.Count; ++i)
{
var l = obj.Lines.Lines[i];
formulaText += l.Slice.Text.Substring(l.Slice.Start, l.Slice.Length);
}
if (string.IsNullOrEmpty(formulaText))
{
return;
}
var formulaService = Current.GetRequiredService <ILaTeXFormulaImageStreamProvider>();
var(stream, placement, offset, width, height) = formulaService.Parse(formulaText, renderer.BodyTextFontFamily, renderer.BodyTextFontSize, 192, renderer.IsIntendedForHelp1File);
if (null == stream)
{
return;
}
stream.Seek(0, SeekOrigin.Begin);
var streamHash = MemoryStreamImageProxy.ComputeStreamHash(stream);
stream.Seek(0, SeekOrigin.Begin);
try
{
renderer.StorePngImageFile(stream, streamHash);
stream.Close();
}
finally
{
stream.Dispose();
}
// now render to Maml file
string localUrl = "../media/" + streamHash + ".png";
var attributes = new Dictionary <string, string>
{
{ "src", localUrl },
{ "width", System.Xml.XmlConvert.ToString(width) },
{ "height", System.Xml.XmlConvert.ToString(height) }
};
renderer.Push(MamlElements.markup);
renderer.Push(MamlElements.a, new[] { new KeyValuePair <string, string>("href", renderer.ImageTopicFileGuid + ".htm#" + streamHash) });
renderer.Push(MamlElements.img, attributes);
renderer.PopTo(MamlElements.markup);
}
protected override void Write(MamlRenderer renderer, MathInline obj)
{
var formulaText = obj.Content.Text.Substring(obj.Content.Start, obj.Content.Length);
if (string.IsNullOrEmpty(formulaText))
{
return;
}
var formulaService = Current.GetRequiredService <ILaTeXFormulaImageStreamProvider>();
var(stream, placement, offset, width, height) = formulaService.Parse(formulaText, renderer.BodyTextFontFamily, renderer.BodyTextFontSize, 192, renderer.IsIntendedForHelp1File);
if (null == stream)
{
return;
}
stream.Seek(0, SeekOrigin.Begin);
var streamHash = MemoryStreamImageProxy.ComputeStreamHash(stream);
stream.Seek(0, SeekOrigin.Begin);
try
{
renderer.StorePngImageFile(stream, streamHash);
stream.Close();
}
finally
{
stream.Dispose();
}
// now render to Maml file
string localUrl = "../media/" + streamHash + ".png";
var attributes = new Dictionary <string, string>
{
{ "src", localUrl },
{ "width", System.Xml.XmlConvert.ToString(width) },
{ "height", System.Xml.XmlConvert.ToString(height) }
};
if (renderer.IsIntendedForHelp1File)
{
attributes.Add("align", placement);
}
else
{
attributes.Add("style", string.Format(System.Globalization.CultureInfo.InvariantCulture, "vertical-align:{0}px;", offset));
}
renderer.Push(MamlElements.markup);
renderer.Push(MamlElements.a, new[] { new KeyValuePair <string, string>("href", renderer.ImageTopicFileGuid + ".htm#" + streamHash) });
renderer.Push(MamlElements.img, attributes);
renderer.PopTo(MamlElements.markup);
}