/// <summary>
/// Compute unshaped glyph run object from the specified character-based info
/// </summary>
internal sealed override GlyphRun ComputeUnshapedGlyphRun(
Point origin,
char[] characterString,
IList <double> characterAdvances
)
{
bool nullFont;
GlyphTypeface glyphTypeface = GetGlyphTypeface(out nullFont);
Invariant.Assert(glyphTypeface != null);
return(glyphTypeface.ComputeUnshapedGlyphRun(
origin,
new CharacterBufferRange(
characterString,
0, // offsetToFirstChar
characterString.Length
),
characterAdvances,
_emSize,
(float)_properties.PixelsPerDip,
_properties.FontHintingEmSize,
nullFont,
CultureMapper.GetSpecificCulture(_properties.CultureInfo),
(_shapeTypeface == null || _shapeTypeface.DeviceFont == null) ? null : _shapeTypeface.DeviceFont.Name,
_textFormattingMode
));
}