private void Init(string name)
{
// Get a GlyphTypeface either from a system typeface or from a
// file path.
if (name != null)
{
m_gtf = GetGlyphTypeface(name);
}
// If not found, look for other possible emoji fonts such as
// the Firefox one. Fall back to Arial, a font available since
// Windows 3.1 \o/
foreach (var f in m_fallback_fonts)
{
m_gtf = m_gtf ?? GetGlyphTypeface(f);
}
// Read the actual font data using Typography.OpenFont
using (var s = m_gtf.GetFontStream())
{
var r = new Typography.OpenFont.OpenFontReader();
m_openfont = r.Read(s, Typography.OpenFont.ReadFlags.Full);
}
// Create a layout for glyphs
m_layout = new GlyphLayout();
m_layout.ScriptLang = ScriptLangs.Default;
m_layout.Typeface = m_openfont;
m_layout.PositionTechnique = PositionTechnique.OpenFont;
m_layout.FontSizeInPoints = 0.75f; // 1 pixel
#if FALSE // debug stuff
var font = m_openfont;
GlyphIndexList gl = new GlyphIndexList();
gl.Add(font.LookupIndex(0x1f431)); // U+1F431 CAT FACE
gl.Add(font.LookupIndex(0x200d)); // U+200D ZERO WIDTH JOINER
gl.Add(font.LookupIndex(0x1f453)); // U+1F453 EYEGLASSES
//gl.Add(font.LookupIndex(0x1f46a)); // U+1F46A FAMILY
//gl.Add(font.LookupIndex(0x1f3fe)); // U+1F3FE EMOJI MODIFIER FITZPATRICK TYPE-5
foreach (var lookup_table in font.GSUBTable.LookupList)
{
lookup_table.DoSubstitution(gl, 0, gl.Count);
}
#endif
}
private void Init(string name)
{
m_gtf = GetGlyphTypeface(first_candidate: name);
if (m_gtf == null)
{
return;
}
// Read the actual font data using Typography.OpenFont
using (var s = m_gtf.GetFontStream())
{
var r = new Typography.OpenFont.OpenFontReader();
m_openfont = r.Read(s, Typography.OpenFont.ReadFlags.Full);
}
// Create a layout for glyphs
m_layout = new GlyphLayout();
m_layout.ScriptLang = ScriptLangs.Default;
m_layout.Typeface = m_openfont;
m_layout.PositionTechnique = PositionTechnique.OpenFont;
#if FALSE // debug stuff
var font = m_openfont;
GlyphIndexList gl = new GlyphIndexList();
gl.Add(font.LookupIndex(0x1f431)); // U+1F431 CAT FACE
gl.Add(font.LookupIndex(0x200d)); // U+200D ZERO WIDTH JOINER
gl.Add(font.LookupIndex(0x1f453)); // U+1F453 EYEGLASSES
//gl.Add(font.LookupIndex(0x1f46a)); // U+1F46A FAMILY
//gl.Add(font.LookupIndex(0x1f3fe)); // U+1F3FE EMOJI MODIFIER FITZPATRICK TYPE-5
foreach (var lookup_table in font.GSUBTable.LookupList)
{
lookup_table.DoSubstitution(gl, 0, gl.Count);
}
#endif
}
