/// <summary>
/// Creates a new VisualLineElementTextRunProperties instance that copies its values
/// from the specified <paramref name="textRunProperties"/>.
/// For the <see cref="TextDecorations"/> and <see cref="TextEffects"/> collections, deep copies
/// are created if those collections are not frozen.
/// </summary>
public VisualLineElementTextRunProperties(TextRunProperties textRunProperties)
{
if (textRunProperties == null)
throw new ArgumentNullException("textRunProperties");
backgroundBrush = textRunProperties.BackgroundBrush;
baselineAlignment = textRunProperties.BaselineAlignment;
cultureInfo = textRunProperties.CultureInfo;
fontHintingEmSize = textRunProperties.FontHintingEmSize;
fontRenderingEmSize = textRunProperties.FontRenderingEmSize;
foregroundBrush = textRunProperties.ForegroundBrush;
typeface = textRunProperties.Typeface;
textDecorations = textRunProperties.TextDecorations;
if (textDecorations != null && !textDecorations.IsFrozen) {
textDecorations = textDecorations.Clone();
}
textEffects = textRunProperties.TextEffects;
if (textEffects != null && !textEffects.IsFrozen) {
textEffects = textEffects.Clone();
}
typographyProperties = textRunProperties.TypographyProperties;
numberSubstitution = textRunProperties.NumberSubstitution;
}
/// <summary>
/// Sets the <see cref="TypographyProperties"/>.
/// </summary>
public void SetTypographyProperties(TextRunTypographyProperties value)
{
typographyProperties = value;
}
private static DWriteFontFeature[] CreateDWriteFontFeatures(TextRunTypographyProperties textRunTypographyProperties)
{
if (textRunTypographyProperties != null)
{
if (textRunTypographyProperties.CachedFeatureSet != null)
{
return textRunTypographyProperties.CachedFeatureSet;
}
else
{
List<DWriteFontFeature> fontFeatures = new List<DWriteFontFeature>((int)CustomOpenTypeFeatures.Count);
if (textRunTypographyProperties.CapitalSpacing)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.CapitalSpacing, 1));
}
if (textRunTypographyProperties.CaseSensitiveForms)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.CaseSensitiveForms, 1));
}
if (textRunTypographyProperties.ContextualAlternates)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.ContextualAlternates, 1));
}
if (textRunTypographyProperties.ContextualLigatures)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.ContextualLigatures, 1));
}
if (textRunTypographyProperties.DiscretionaryLigatures)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.DiscretionaryLigatures, 1));
}
if (textRunTypographyProperties.HistoricalForms)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.HistoricalForms, 1));
}
if (textRunTypographyProperties.HistoricalLigatures)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.HistoricalLigatures, 1));
}
if (textRunTypographyProperties.Kerning)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.Kerning, 1));
}
if (textRunTypographyProperties.MathematicalGreek)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.MathematicalGreek, 1));
}
if (textRunTypographyProperties.SlashedZero)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.SlashedZero, 1));
}
if (textRunTypographyProperties.StandardLigatures)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StandardLigatures, 1));
}
if (textRunTypographyProperties.StylisticSet1)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet1, 1));
}
if (textRunTypographyProperties.StylisticSet10)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet10, 1));
}
if (textRunTypographyProperties.StylisticSet11)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet11, 1));
}
if (textRunTypographyProperties.StylisticSet12)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet12, 1));
}
if (textRunTypographyProperties.StylisticSet13)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet13, 1));
}
if (textRunTypographyProperties.StylisticSet14)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet14, 1));
}
if (textRunTypographyProperties.StylisticSet15)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet15, 1));
}
if (textRunTypographyProperties.StylisticSet16)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet16, 1));
}
if (textRunTypographyProperties.StylisticSet17)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet17, 1));
}
if (textRunTypographyProperties.StylisticSet18)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet18, 1));
}
if (textRunTypographyProperties.StylisticSet19)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet19, 1));
}
if (textRunTypographyProperties.StylisticSet2)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet2, 1));
}
if (textRunTypographyProperties.StylisticSet20)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet20, 1));
}
if (textRunTypographyProperties.StylisticSet3)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet3, 1));
}
if (textRunTypographyProperties.StylisticSet4)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet4, 1));
}
if (textRunTypographyProperties.StylisticSet5)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet5, 1));
}
if (textRunTypographyProperties.StylisticSet6)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet6, 1));
}
if (textRunTypographyProperties.StylisticSet7)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet7, 1));
}
if (textRunTypographyProperties.StylisticSet8)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet8, 1));
}
if (textRunTypographyProperties.StylisticSet9)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticSet9, 1));
}
if (textRunTypographyProperties.EastAsianExpertForms)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.ExpertForms, 1));
}
if (textRunTypographyProperties.AnnotationAlternates > 0)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.AlternateAnnotationForms, checked((uint)textRunTypographyProperties.AnnotationAlternates)));
}
if (textRunTypographyProperties.ContextualSwashes > 0)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.ContextualSwash, checked((uint)textRunTypographyProperties.ContextualSwashes)));
}
if (textRunTypographyProperties.StylisticAlternates > 0)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.StylisticAlternates, checked((uint)textRunTypographyProperties.StylisticAlternates)));
}
if (textRunTypographyProperties.StandardSwashes > 0)
{
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.Swash, checked((uint)textRunTypographyProperties.StandardSwashes)));
}
switch (textRunTypographyProperties.Capitals)
{
case FontCapitals.AllPetiteCaps: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.PetiteCapitals, 1));
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.PetiteCapitalsFromCapitals, 1));
break;
case FontCapitals.AllSmallCaps: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.SmallCapitals, 1));
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.SmallCapitalsFromCapitals, 1));
break;
case FontCapitals.PetiteCaps: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.PetiteCapitals, 1));
break;
case FontCapitals.SmallCaps: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.SmallCapitals, 1));
break;
case FontCapitals.Titling: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.Titling, 1));
break;
case FontCapitals.Unicase: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.Unicase, 1));
break;
}
switch (textRunTypographyProperties.EastAsianLanguage)
{
case FontEastAsianLanguage.Simplified: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.SimplifiedForms, 1));
break;
case FontEastAsianLanguage.Traditional: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.TraditionalForms, 1));
break;
case FontEastAsianLanguage.TraditionalNames: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.TraditionalNameForms, 1));
break;
case FontEastAsianLanguage.NlcKanji: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.NLCKanjiForms, 1));
break;
case FontEastAsianLanguage.HojoKanji: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.HojoKanjiForms, 1));
break;
case FontEastAsianLanguage.Jis78: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.JIS78Forms, 1));
break;
case FontEastAsianLanguage.Jis83: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.JIS83Forms, 1));
break;
case FontEastAsianLanguage.Jis90: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.JIS90Forms, 1));
break;
case FontEastAsianLanguage.Jis04: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.JIS04Forms, 1));
break;
}
switch (textRunTypographyProperties.Fraction)
{
case FontFraction.Stacked: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.AlternativeFractions, 1));
break;
case FontFraction.Slashed: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.Fractions, 1));
break;
}
switch (textRunTypographyProperties.NumeralAlignment)
{
case FontNumeralAlignment.Proportional: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.ProportionalFigures, 1));
break;
case FontNumeralAlignment.Tabular: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.TabularFigures, 1));
break;
}
switch (textRunTypographyProperties.NumeralStyle)
{
case FontNumeralStyle.Lining: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.LiningFigures, 1));
break;
case FontNumeralStyle.OldStyle: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.OldStyleFigures, 1));
break;
}
switch (textRunTypographyProperties.Variants)
{
case FontVariants.Inferior: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.ScientificInferiors, 1));
break;
case FontVariants.Ordinal: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.Ordinals, 1));
break;
case FontVariants.Ruby: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.RubyNotationForms, 1));
break;
case FontVariants.Subscript: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.Subscript, 1));
break;
case FontVariants.Superscript: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.Superscript, 1));
break;
}
switch (textRunTypographyProperties.EastAsianWidths)
{
case FontEastAsianWidths.Proportional:
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.ProportionalWidths, 1));
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.ProportionalAlternateWidth, 1));
break;
case FontEastAsianWidths.Full: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.FullWidth, 1));
break;
case FontEastAsianWidths.Half:
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.HalfWidth, 1));
fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.AlternateHalfWidth, 1));
break;
case FontEastAsianWidths.Third: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.ThirdWidths, 1));
break;
case FontEastAsianWidths.Quarter: fontFeatures.Add(new DWriteFontFeature(Text.TextInterface.DWriteFontFeatureTag.QuarterWidths, 1));
break;
}
textRunTypographyProperties.CachedFeatureSet = fontFeatures.ToArray();
return textRunTypographyProperties.CachedFeatureSet;
}
}
return null;
}
/// <summary>
/// Compile feature set from the linked list of LSRuns.
/// TypographyProperties should be either all null or all not-null.
/// First is used for internal purposes, also can be used by simple clients.
/// </summary>
internal static void CompileFeatureSet(
TextRunTypographyProperties textRunTypographyProperties,
uint totalLength,
out DWriteFontFeature[][] fontFeatures,
out uint[] fontFeatureRanges
)
{
//
// Quick check for null properties
// Run properties should be all null or all not null
//
if (textRunTypographyProperties == null)
{
fontFeatures = null;
fontFeatureRanges = null;
}
else
{
// End of quick check. We will process custom features now.
fontFeatures = new DWriteFontFeature[1][];
fontFeatureRanges = new uint[1];
fontFeatures[0] = CreateDWriteFontFeatures(textRunTypographyProperties);
fontFeatureRanges[0] = totalLength;
}
}
static bool Equals(TextRunTypographyProperties a, TextRunTypographyProperties b) {
if (a == b)
return true;
if (a == null || b == null)
return false;
return a.Equals(b);
}
