Honor more OpenType features

styles/src/styleTree/components.ts

@@ -98,11 +98,78 @@ export interface TextProperties {
     weight?: FontWeight
     underline?: boolean
     color?: string,
-    features?: TextFeatures,
+    features?: FontFeatures,
 }
 
-interface TextFeatures {
-    calt?: boolean
+interface FontFeatures {
+    /** Contextual Alternates: Applies a second substitution feature based on a match of a character pattern within a context of surrounding patterns */
+    calt?: boolean;
+    /** Case-Sensitive Forms: Shifts various punctuation marks up to a position that works better with all-capital sequences */
+    case?: boolean;
+    /** Capital Spacing: Adjusts inter-glyph spacing for all-capital text */
+    cpsp?: boolean;
+    /** Fractions: Replaces figures separated by a slash with diagonal fractions */
+    frac?: boolean;
+    /** Standard Ligatures: Replaces a sequence of glyphs with a single glyph which is preferred for typographic purposes */
+    liga?: boolean;
+    /** Oldstyle Figures: Changes selected figures from the default or lining style to oldstyle form. */
+    onum?: boolean;
+    /** Ordinals: Replaces default alphabetic glyphs with the corresponding ordinal forms for use after figures */
+    ordn?: boolean;
+    /** Proportional Figures: Replaces figure glyphs set on uniform (tabular) widths with corresponding glyphs set on proportional widths */
+    pnum?: boolean;
+    /** Stylistic set 01 */
+    ss01?: boolean;
+    /** Stylistic set 02 */
+    ss02?: boolean;
+    /** Stylistic set 03 */
+    ss03?: boolean;
+    /** Stylistic set 04 */
+    ss04?: boolean;
+    /** Stylistic set 05 */
+    ss05?: boolean;
+    /** Stylistic set 06 */
+    ss06?: boolean;
+    /** Stylistic set 07 */
+    ss07?: boolean;
+    /** Stylistic set 08 */
+    ss08?: boolean;
+    /** Stylistic set 09 */
+    ss09?: boolean;
+    /** Stylistic set 10 */
+    ss10?: boolean;
+    /** Stylistic set 11 */
+    ss11?: boolean;
+    /** Stylistic set 12 */
+    ss12?: boolean;
+    /** Stylistic set 13 */
+    ss13?: boolean;
+    /** Stylistic set 14 */
+    ss14?: boolean;
+    /** Stylistic set 15 */
+    ss15?: boolean;
+    /** Stylistic set 16 */
+    ss16?: boolean;
+    /** Stylistic set 17 */
+    ss17?: boolean;
+    /** Stylistic set 18 */
+    ss18?: boolean;
+    /** Stylistic set 19 */
+    ss19?: boolean;
+    /** Stylistic set 20 */
+    ss20?: boolean;
+    /** Subscript: Replaces default glyphs with subscript glyphs */
+    subs?: boolean;
+    /** Superscript: Replaces default glyphs with superscript glyphs */
+    sups?: boolean;
+    /** Swash: Replaces default glyphs with swash glyphs for stylistic purposes */
+    swsh?: boolean;
+    /** Titling: Replaces default glyphs with titling glyphs for use in large-size settings */
+    titl?: boolean;
+    /** Tabular Figures: Replaces figure glyphs set on proportional widths with corresponding glyphs set on uniform (tabular) widths */
+    tnum?: boolean;
+    /** Slashed Zero: Replaces default zero with a slashed zero for better distinction between "0" and "O" */
+    zero?: boolean;
 }
 
 export function text(