public override void VisitTextElement(SvgTextElement element)
{
base.VisitTextElement(element);
var fonts = SystemFonts.Collection;
fonts.TryGet(DefaultFont, out FontFamily family);
foreach (var f in element.Style.FontFamily.Value)
{
var fontName = f;
if (fontName.Equals("sans-serif"))
{
fontName = DefaultSansSerifFont;
}
else if (fontName.Equals("serif"))
{
fontName = DefaultSerifFont;
}
if (fonts.TryGet(fontName, out family))
{
break;
}
}
if (family == null)
{
fonts.TryGet(DefaultFont, out family);
}
var fontSize = element.Style.FontSize.Value.Value;
var origin = new PointF(element.X?.Value ?? 0, element.Y?.Value ?? 0);
var font = new Font(family, fontSize);
var visitor = new SvgTextSpanTextVisitor();
element.Accept(visitor);
var text = visitor.Text;
// offset by the ascender to account for fonts render origin of top left
var ascender = ((font.FontMetrics.Ascender * font.Size) / (font.FontMetrics.UnitsPerEm * 72)) * 72;
var render = new TextOptions(font)
{
Dpi = 72,
Origin = origin - new PointF(0, ascender),
HorizontalAlignment = element.Style.TextAnchor.Value.AsHorizontalAlignment()
};
var glyphs = TextBuilder.GenerateGlyphs(text, render);
foreach (var p in glyphs)
{
this.RenderShapeToCanvas(element, p);
}
}
public override void VisitTextElement(SvgTextElement element)
{
base.VisitTextElement(element);
var fonts = SystemFonts.Collection;
FontFamily family = null;
foreach (var f in element.Style.FontFamily.Value)
{
var fontName = f;
if (fontName.Equals("sans-serif"))
{
fontName = DefaultSansSerifFont;
}
else if (fontName.Equals("serif"))
{
fontName = DefaultSerifFont;
}
if (fonts.TryFind(fontName, out family))
{
break;
}
}
if (ReferenceEquals(family, null)) //FontFamily overrides == operator and can't handle 'null' value on the left.
{
family = fonts.Find(DefaultFont);
}
var fontSize = element.Style.FontSize.Value.Value;
var origin = new PointF(element.X?.Value ?? 0, element.Y?.Value ?? 0);
var font = family.CreateFont(fontSize);
var visitor = new SvgTextSpanTextVisitor();
element.Accept(visitor);
var text = visitor.Text;
// offset by the ascender to account for fonts render origin of top left
var ascender = ((font.Ascender * font.Size) / (font.EmSize * 72)) * 72;
var render = new RendererOptions(font, 72, origin - new PointF(0, ascender))
{
HorizontalAlignment = element.Style.TextAnchor.Value.AsHorizontalAlignment()
};
var glyphs = TextBuilder.GenerateGlyphs(text, render);
foreach (var p in glyphs)
{
this.RenderShapeToCanvas(element, p);
}
}
