/// <summary>Use this to build all font-variant features.</summary>
public static List <OpenTypeFeature> GetAllFeatures(TextRenderingProperty trp)
{
// Feature set:
List <OpenTypeFeature> features = new List <OpenTypeFeature>();
// Get the cs:
ComputedStyle cs = trp.RenderData.computedStyle;
// Load each variant property into features:
FontVariantCaps.LoadInto(trp, features, cs);
FontVariantAlternates.LoadInto(trp, features, cs);
FontVariantEastAsian.LoadInto(trp, features, cs);
FontVariantLigatures.LoadInto(trp, features, cs);
FontVariantNumeric.LoadInto(trp, features, cs);
FontVariantPosition.LoadInto(trp, features, cs);
FontFeatureSettings.LoadInto(trp, features, cs);
return(features);
}
protected override Spec.Value GetSpecification()
{
/*
* normal | none |
* [
* <common-lig-values> ||
* <discretionary-lig-values> ||
* <historical-lig-values> ||
* <contextual-alt-values> ||
* stylistic( <feature-value-name> ) ||
* historical-forms ||
* styleset( <feature-value-name># ) ||
* character-variant( <feature-value-name># ) ||
* swash( <feature-value-name> ) ||
* ornaments( <feature-value-name> ) ||
* annotation( <feature-value-name> ) ||
* [ small-caps | all-small-caps | petite-caps | all-petite-caps | unicase | titling-caps ] ||
* <numeric-figure-values> ||
* <numeric-spacing-values> ||
* <numeric-fraction-values> ||
* ordinal ||
* slashed-zero ||
* <east-asian-variant-values> ||
* <east-asian-width-values> ||
* ruby
* ]
*
* where
* <common-lig-values> = [ common-ligatures | no-common-ligatures ]
* <discretionary-lig-values> = [ discretionary-ligatures | no-discretionary-ligatures ]
* <historical-lig-values> = [ historical-ligatures | no-historical-ligatures ]
* <contextual-alt-values> = [ contextual | no-contextual ]
* <feature-value-name> = IDENT
* <numeric-figure-values> = [ lining-nums | oldstyle-nums ]
* <numeric-spacing-values> = [ proportional-nums | tabular-nums ]
* <numeric-fraction-values> = [ diagonal-fractions | stacked-fractions ]
* <east-asian-variant-values> = [ jis78 | jis83 | jis90 | jis04 | simplified | traditional ]
* <east-asian-width-values> = [ full-width | proportional-width ]
*/
return(new Spec.OneOf(
new Spec.Literal("normal"),
new Spec.Literal("none"),
new Spec.AnyOf(
// - Alternatives -
new Spec.PropertyAlt(this, "font-variant-alternates",
FontVariantAlternates.InternalSpec()
),
// - Caps -
new Spec.PropertyAlt(this, "font-variant-caps",
new Spec.OneOf(
new Spec.Literal("small-caps"),
new Spec.Literal("all-small-caps"),
new Spec.Literal("petite-caps"),
new Spec.Literal("all-petite-caps"),
new Spec.Literal("unicase"),
new Spec.Literal("titling-caps")
)
),
// - Numeric -
new Spec.PropertyAlt(this, "font-variant-numeric",
FontVariantNumeric.InternalSpec()
),
// - Ligatures -
new Spec.PropertyAlt(this, "font-variant-ligatures",
FontVariantLigatures.InternalSpec()
),
// - East Asian -
new Spec.PropertyAlt(this, "font-variant-east-asian",
FontVariantEastAsian.InternalSpec()
)
)
));
}
public FontVariantNumeric()
{
IsTextual = true;
GlobalProperty = this;
RelativeTo = ValueRelativity.FontSize;
}