private List <Polygon> RenderString(TextToolOptions options, Vector offset)
{
var fontfamily = new FontFamily(options.Font.FontFamily.Name);
var typeface = FindTypeface(options, fontfamily, EmptySynonymMap) ??
FindTypeface(options, fontfamily, SynonymMap) ?? fontfamily.GetTypefaces().First();
var decorations = new TextDecorationCollection();
if (options.Font.Strikeout)
{
decorations.Add(TextDecorations.Strikethrough);
}
if (options.Font.Underline)
{
decorations.Add(TextDecorations.Underline);
}
const double sizeFactor = 0.1;
var formattedText = new FormattedText(options.Text, CultureInfo.InvariantCulture,
FlowDirection.LeftToRight, typeface, options.Font.SizeInPoints * sizeFactor, Brushes.Black, 1)
{
LineHeight = options.LineHeight * options.Font.SizeInPoints * sizeFactor
};
formattedText.SetTextDecorations(decorations);
var smoothness = options.Smoothness;
var geom = formattedText.BuildGeometry(new Point(0, 0));
List <Polygon> polys;
try
{
(polys, smoothness) = BuildPolygons(geom, offset, smoothness);
}
catch (PolygonException)
{
var opt = TextToolOptions.Default;
opt.Text = "Unable to render\nthis font without\ntopology errors.";
return(RenderString(opt, offset));
}
try
{
FinalizePolygons(polys);
return(polys);
}
catch (TopologyException)
{
var opt = options;
opt.Smoothness = smoothness;
return(RenderString(opt, offset));
}
}
public void MouseDown(MouseEventArgs mouseData)
{
switch (mouseData.Button)
{
case MouseButtons.Left:
_writing = true;
_currentTextPolygons = new List <Polygon>();
LevEditor.RedrawScene();
var result = TextToolForm.ShowDefault(_currentOptions, HandleChange);
_writing = false;
if (result.HasValue)
{
_currentOptions = result.Value;
MarkAllAs(VectorMark.None);
var rendered = RenderString(_currentOptions, CurrentPos);
Lev.Polygons.AddRange(rendered);
if (rendered.Count > 0)
{
LevEditor.Modified = true;
}
LevEditor.UpdateSelectionInfo();
}
LevEditor.RedrawScene();
break;
case MouseButtons.None:
break;
case MouseButtons.Right:
break;
case MouseButtons.Middle:
break;
case MouseButtons.XButton1:
break;
case MouseButtons.XButton2:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
private static Typeface FindTypeface(TextToolOptions options, FontFamily fontfamily,
Dictionary <string, string> synonymMap)
{
Typeface typeface = null;
foreach (var familyTypeface in fontfamily.GetTypefaces())
{
var faceName = familyTypeface.FaceNames[XmlLanguage.GetLanguage("en-US")];
var styleName =
options.Font.Style.ToString()
.Replace(",", "")
.Replace("Underline", "")
.Replace("Strikeout", "")
.Trim();
var fixedStyleName = familyTypeface.Weight + " " + familyTypeface.Style;
if (familyTypeface.Style.ToString() == styleName)
{
typeface = familyTypeface;
break;
}
if (fixedStyleName == options.FontStyleName)
{
typeface = familyTypeface;
break;
}
if (fixedStyleName == options.FontStyleName.Replace(faceName, "").Trim())
{
typeface = familyTypeface;
break;
}
if (synonymMap.Any(v => faceName == styleName.Replace(v.Key, v.Value)))
{
typeface = familyTypeface;
break;
}
}
return(typeface);
}
private void HandleChange(TextToolOptions obj)
{
_currentTextPolygons = RenderString(obj, CurrentPos);
LevEditor.RedrawScene();
}