/// <summary>
/// Gets the glyphs for the given codepoint.
/// </summary>
/// <param name="codePoint">The code point of the character.</param>
/// <param name="support">Options for enabling color font support during layout and rendering.</param>
/// <returns>Returns the glyph</returns>
public IEnumerable <Glyph> GetGlyphs(CodePoint codePoint, ColorFontSupport support)
{
foreach (GlyphMetrics metrics in this.FontMetrics.GetGlyphMetrics(codePoint, support))
{
yield return(new(metrics, this.Size));
}
}
public GlyphInstance[] GetGlyphLayers(int codePoint, ColorFontSupport colorFontOptions)
{
GlyphInstance glyph = this.MainFont.GetGlyph(codePoint);
if (glyph.GlyphType == GlyphType.Fallback)
{
foreach (var f in this.FallbackFonts)
{
var g = f.GetGlyph(codePoint);
if (g.GlyphType != GlyphType.Fallback)
{
glyph = g;
break;
}
}
}
if (glyph == null)
{
return(Array.Empty <GlyphInstance>());
}
if (colorFontOptions == ColorFontSupport.MicrosoftColrFormat)
{
if (glyph.Font.TryGetColoredVectors(glyph.Index, out var layers))
{
return(layers);
}
}
return(new[] { glyph });
}
public void CanLoadMacintoshGlyphs()
{
Font font = new FontCollection()
.AddCollection(TestFonts.HelveticaTTCFile)
.First(x => x.GetAvailableStyles().Contains(FontStyle.Regular)).CreateFont(12);
const ColorFontSupport support = ColorFontSupport.None;
Glyph[] a = font.GetGlyphs(new CodePoint('A'), support).ToArray();
Glyph[] x = font.GetGlyphs(new CodePoint('x'), support).ToArray();
Glyph ga = Assert.Single(a);
Glyph gx = Assert.Single(x);
Assert.NotEqual(ga, gx);
Assert.Equal(1366, ga.GlyphMetrics.AdvanceWidth);
Assert.Equal(2048, ga.GlyphMetrics.AdvanceHeight);
Assert.Equal(1024, gx.GlyphMetrics.AdvanceWidth);
Assert.Equal(2048, gx.GlyphMetrics.AdvanceHeight);
}
/// <summary>
/// Gets the glyph metrics for a given code point and glyph id.
/// </summary>
/// <param name="codePoint">The Unicode codepoint.</param>
/// <param name="glyphId">
/// The previously matched or substituted glyph id for the codepoint in the face.
/// If this value equals <value>0</value> the default fallback metrics are returned.
/// </param>
/// <param name="support">Options for enabling color font support during layout and rendering.</param>
/// <returns>The <see cref="IEnumerable{GlyphMetrics}"/>.</returns>
internal abstract IEnumerable <GlyphMetrics> GetGlyphMetrics(CodePoint codePoint, ushort glyphId, ColorFontSupport support);
/// <summary> /// Gets the glyph metrics for a given code point. /// </summary> /// <param name="codePoint">The Unicode code point to get the glyph for.</param> /// <param name="support">Options for enabling color font support during layout and rendering.</param> /// <returns>The glyph metrics to find.</returns> public abstract IEnumerable <GlyphMetrics> GetGlyphMetrics(CodePoint codePoint, ColorFontSupport support);
/// <inheritdoc /> public override IEnumerable <GlyphMetrics> GetGlyphMetrics(CodePoint codePoint, ColorFontSupport support) => this.metrics.Value.GetGlyphMetrics(codePoint, support);
/// <inheritdoc /> internal override IEnumerable <GlyphMetrics> GetGlyphMetrics(CodePoint codePoint, ushort glyphId, ColorFontSupport support) => this.metrics.Value.GetGlyphMetrics(codePoint, glyphId, support);
/// <inheritdoc/>
internal override IEnumerable <GlyphMetrics> GetGlyphMetrics(CodePoint codePoint, ushort glyphId, ColorFontSupport support)
{
GlyphType glyphType = GlyphType.Standard;
if (glyphId == 0)
{
// A glyph was not found in this face for the previously matched
// codepoint. Set to fallback.
glyphType = GlyphType.Fallback;
}
if (support == ColorFontSupport.MicrosoftColrFormat &&
this.TryGetColoredVectors(codePoint, glyphId, out GlyphMetrics[]? metrics))
/// <inheritdoc/>
public override IEnumerable <GlyphMetrics> GetGlyphMetrics(CodePoint codePoint, ColorFontSupport support)
{
this.TryGetGlyphId(codePoint, out ushort glyphId);
return(this.GetGlyphMetrics(codePoint, glyphId, support));
}
