public IGeometryImpl BuildGlyphRunGeometry(GlyphRun glyphRun)
{
if (glyphRun.GlyphTypeface.PlatformImpl is not GlyphTypefaceImpl glyphTypeface)
{
throw new InvalidOperationException("PlatformImpl can't be null.");
}
var pathGeometry = new SharpDX.Direct2D1.PathGeometry(Direct2D1Factory);
using (var sink = pathGeometry.Open())
{
var glyphs = new short[glyphRun.GlyphIndices.Count];
for (int i = 0; i < glyphRun.GlyphIndices.Count; i++)
{
glyphs[i] = (short)glyphRun.GlyphIndices[i];
}
glyphTypeface.FontFace.GetGlyphRunOutline((float)glyphRun.FontRenderingEmSize, glyphs, null, null, false, !glyphRun.IsLeftToRight, sink);
sink.Close();
}
var(baselineOriginX, baselineOriginY) = glyphRun.BaselineOrigin;
var transformedGeometry = new SharpDX.Direct2D1.TransformedGeometry(
Direct2D1Factory,
pathGeometry,
new RawMatrix3x2(1.0f, 0.0f, 0.0f, 1.0f, (float)baselineOriginX, (float)baselineOriginY));
return(new TransformedGeometryWrapper(transformedGeometry));
}
public IGlyphRunImpl CreateGlyphRun(GlyphRun glyphRun, out double width)
{
var glyphTypeface = (GlyphTypefaceImpl)glyphRun.GlyphTypeface.PlatformImpl;
var glyphCount = glyphRun.GlyphIndices.Length;
var run = new SharpDX.DirectWrite.GlyphRun
{
FontFace = glyphTypeface.FontFace,
FontSize = (float)glyphRun.FontRenderingEmSize
};
var indices = new short[glyphCount];
for (var i = 0; i < glyphCount; i++)
{
indices[i] = (short)glyphRun.GlyphIndices[i];
}
run.Indices = indices;
run.Advances = new float[glyphCount];
width = 0;
for (var i = 0; i < glyphCount; i++)
{
run.Advances[i] = (float)glyphRun.GlyphAdvances[i];
width += run.Advances[i];
}
run.Offsets = new GlyphOffset[glyphCount];
for (var i = 0; i < glyphCount; i++)
{
var offset = glyphRun.GlyphOffsets[i];
run.Offsets[i] = new GlyphOffset
{
AdvanceOffset = (float)offset.X,
AscenderOffset = (float)offset.Y
};
}
return(new GlyphRunImpl(run));
}
public IGlyphRunImpl CreateGlyphRun(GlyphRun glyphRun)
{
var glyphTypeface = (GlyphTypefaceImpl)glyphRun.GlyphTypeface.PlatformImpl;
var glyphCount = glyphRun.GlyphIndices.Length;
var run = new SharpDX.DirectWrite.GlyphRun
{
FontFace = glyphTypeface.FontFace,
FontSize = (float)glyphRun.FontRenderingEmSize
};
var indices = new short[glyphCount];
for (var i = 0; i < glyphCount; i++)
{
indices[i] = (short)glyphRun.GlyphIndices[i];
}
run.Indices = indices;
run.Advances = new float[glyphCount];
var scale = (float)(glyphRun.FontRenderingEmSize / glyphTypeface.DesignEmHeight);
if (glyphRun.GlyphAdvances.IsEmpty)
{
for (var i = 0; i < glyphCount; i++)
{
var advance = glyphTypeface.GetGlyphAdvance(glyphRun.GlyphIndices[i]) * scale;
run.Advances[i] = advance;
}
}
else
{
for (var i = 0; i < glyphCount; i++)
{
var advance = (float)glyphRun.GlyphAdvances[i];
run.Advances[i] = advance;
}
}
if (glyphRun.GlyphOffsets.IsEmpty)
{
return(new GlyphRunImpl(run));
}
run.Offsets = new GlyphOffset[glyphCount];
for (var i = 0; i < glyphCount; i++)
{
var(x, y) = glyphRun.GlyphOffsets[i];
run.Offsets[i] = new GlyphOffset
{
AdvanceOffset = (float)x,
AscenderOffset = (float)y
};
}
return(new GlyphRunImpl(run));
}
