public void OnGet(string font, string text, double emsize = 50)
{
if (!_typefaces.ContainsKey(font))
{
font = "Roboto-Regular.ttf";
}
if (string.IsNullOrEmpty(text))
{
text = "The quick brown fox jumps over the lazy dog";
}
var tf = _typefaces[font];
double x = emsize * 0.2;
double y = 0;
foreach (char c in text)
{
ushort glyphIndex = 0;
if (tf.CharacterToGlyphMap.ContainsKey((int)c))
{
glyphIndex = tf.CharacterToGlyphMap[(int)c];
}
double advanceWidth = tf.AdvanceWidths[glyphIndex] * emsize;
double baseline = tf.Baseline * emsize;
Glyphs.Add(new Glyph(x, y + baseline, tf.GetGlyphOutline(glyphIndex, emsize)));
x += advanceWidth;
}
Width = x + (emsize * 0.2);
Height = emsize + (emsize * 0.3);
}
public void OnGet(string font, ushort index = 0)
{
if (!_typefaces.ContainsKey(font))
{
font = "Roboto-Regular.ttf";
}
if (index < 0 || _typefaces[font].GlyphCount <= index)
{
index = 0;
}
var tf = _typefaces[font];
var emsize = 200;
var renderer = new GraphRenderer();
var typefaceGeometry = tf.GetGlyphOutline(index, emsize);
Graph = renderer.CreateGraph(
typefaceGeometry,
tf.Baseline,
tf.AdvanceWidths[index],
tf.AdvanceHeights[index],
tf.LeftSideBearings[index],
tf.RightSideBearings[index],
tf.TopSideBearings[index],
tf.BottomSideBearings[index],
emsize);
}