private IHighlighter CreateHighlighterFromNode(XmlNode highlighterNode)
{
var ret = new CommonHighlighter();
if (highlighterNode.HasChildNodes)
{
Int32 idx = 0;
foreach (XmlNode child in highlighterNode.SelectNodes("style"))
{
var style = new HighlightStyle();
if (child.HasChildNodes)
{
foreach (XmlNode grandchild in child.ChildNodes)
{
if (grandchild.NodeType == XmlNodeType.Comment)
{
continue;
}
switch (grandchild.Name)
{
case "foreground":
style.Foreground = CommonUtilities.ColorFromHexString(grandchild.InnerText);
break;
case "background":
style.Background = CommonUtilities.ColorFromHexString(grandchild.InnerText);
break;
case "fontstyle":
if (_fontStyleMap.ContainsKey(grandchild.InnerText))
{
style.FontStyle = _fontStyleMap[grandchild.InnerText];
}
break;
case "fontweight":
if (_fontWeightMap.ContainsKey(grandchild.InnerText))
{
style.FontWeight = _fontWeightMap[grandchild.InnerText];
}
break;
case "fontstretch":
if (_fontStretchMap.ContainsKey(grandchild.InnerText))
{
style.FontStretch = _fontStretchMap[grandchild.InnerText];
}
break;
default:
break;
}
}
}
ret.StyleMap.Add(idx, style);
++idx;
}
}
return(ret);
}
public void Render(DrawingContext drawingContext, RenderContext renderContext)
{
Int32 lineCount = _editor.Document.LineCount;
Int32 lineNumberCount = GetLineNumberCount(lineCount);
Typeface typeface = TypefaceGenerator.GetInstance().GenerateTypeface(_editor.GlyphOption.FontFamily, FontStyles.Normal, FontWeights.Normal, FontStretches.Normal);
GlyphTypeface glyphTypeface = TypefaceGenerator.GetInstance().GenerateGlyphTypeface(_editor.GlyphOption.FontFamily, FontStyles.Normal, FontWeights.Normal, FontStretches.Normal);
UInt16 indice = glyphTypeface.CharacterToGlyphMap['0'];
Double characterWidth = glyphTypeface.AdvanceWidths[indice] * _editor.GlyphOption.FontSize;
Double characterHeight = glyphTypeface.AdvanceHeights[indice] * _editor.GlyphOption.FontSize;
Double maxNumberWidth = Math.Max(lineNumberCount * characterWidth, 3 * characterWidth);
Point renderOffset = new Point(renderContext.Offset.X - _editor.HorizontalOffset, _editor._lineRenderer.RenderOffset.Y + _editor.Padding.Top);
var brush = new SolidColorBrush(CommonUtilities.ColorFromHexString("#FF7D7D7D"));
foreach (VisualLine visualLine in _editor._lineRenderer.VisibleLines)
{
var formattedText = new FormattedText(visualLine.Line.LineNumber.ToString(), CultureInfo.CurrentCulture, FlowDirection.LeftToRight, typeface, _editor.GlyphOption.FontSize, brush);
Point actualRenderOffset = renderOffset;
actualRenderOffset.X += maxNumberWidth - formattedText.Width;
actualRenderOffset.Y += (_editor.GlyphOption.LineHeight - characterHeight);
drawingContext.DrawText(formattedText, actualRenderOffset);
renderOffset.Y += _editor.GlyphOption.LineHeight;
}
drawingContext.DrawLine(new Pen(brush, 2.0), new Point(_editor._lineRenderer.RenderOffset.X + maxNumberWidth + 5.0, _editor._lineRenderer.RenderOffset.Y), new Point(_editor._lineRenderer.RenderOffset.X + maxNumberWidth + 5.0, 2000.0));
RenderWidth = maxNumberWidth + 10.0;
renderContext.PushTranslation(RenderWidth, 0.0);
}
