And added the typographical features for AAT.
This commit is contained in:
Pietro Gagliardi
parent
ddffce6d44
commit
4f5328ae65
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@ -0,0 +1,389 @@
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// 14 february 2017
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#import "uipriv_darwin.h"
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typedef void (*specToAATEnumFunc)(uint16_t type, uint16_t selector, void *data);
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static void boolspec(uiAttributeSpec *spec, uint16_t type, uint16_t ifTrue, uint16_t ifFalse, specToAATEnumFunc f, void *data)
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{
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if (spec->Value != 0) {
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(*f)(type, ifTrue, data);
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return;
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}
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(*f)(type, ifFalse, data);
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}
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void specToAAT(uiAttributeSpec *spec, specToAATEnumFunc f, void *data)
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{
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switch (spec->Type) {
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case uiAttributeStandardLigatures:
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boolspec(spec, kLigaturesType,
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kCommonLigaturesOnSelector,
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kCommonLigaturesOffSelector,
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f, data);
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return;
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case uiAttributeRequiredLigatures:
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boolspec(spec, kLigaturesType,
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kRequiredLigaturesOnSelector,
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kRequiredLigaturesOffSelector,
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f, data);
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return;
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case uiAttributeDiscretionaryLigatures:
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boolspec(spec, kLigaturesType,
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kRareLigaturesOnSelector,
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kRareLigaturesOffSelector,
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f, data);
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return;
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case uiAttributeContextualLigatures:
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boolspec(spec, kLigaturesType,
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kContextualLigaturesOnSelector,
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kContextualLigaturesOffSelector,
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f, data);
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return;
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case uiAttributeHistoricalLigatures:
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boolspec(spec, kLigaturesType,
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kHistoricalLigaturesOnSelector,
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kHistoricalLigaturesOffSelector,
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f, data);
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return;
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case uiAttributeUnicase:
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// TODO is this correct, or should we provide an else case?
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if (spec->Value != 0)
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// this is undocumented; it comes from Core Text's internal AAT-to-OpenType conversion table
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(*f)(kLetterCaseType, 14, data);
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return;
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// TODO make an array?
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case uiAttributeNumberSpacings:
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switch (spec->Value) {
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case uiAttributeNumberSpacingProportional:
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(*f)(kNumberSpacingType, kProportionalNumbersSelector, data);
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break;
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case uiAttributeNumberSpacingTitling:
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(*f)(kNumberSpacingType, kMonospacedNumbersSelector, data);
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break;
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}
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return;
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// TODO make an array?
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case uiAttributeSuperscripts:
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switch (spec->Value) {
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case uiAttributeSuperscriptNone:
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(*f)(kVerticalPositionType, kNormalPositionSelector, data);
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break;
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case uiAttributeSuperscriptSuperscript:
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(*f)(kVerticalPositionType, kSuperiorsSelector, data);
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break;
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case uiAttributeSuperscriptSubscript:
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(*f)(kVerticalPositionType, kInferiorsSelector, data);
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break;
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case uiAttributeSuperscriptOrdinal:
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(*f)(kVerticalPositionType, kOrdinalsSelector, data);
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break;
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case uiAttributeSuperscriptScientificInferior:
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(*f)(kVerticalPositionType, kScientificInferiorsSelector, data);
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break;
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}
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return;
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// TODO make an array?
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case uiAttributeFractionForms:
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switch (spec->Value) {
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case uiAttributeFractionFormNone:
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(*f)(kFractionsType, kNoFractionsSelector, data);
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break;
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case uiAttributeFractionFormVertical:
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(*f)(kFractionsType, kVerticalFractionsSelector, data);
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break;
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case uiAttributeFractionFormDiagonal:
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(*f)(kFractionsType, kDiagonalFractionsSelector, data);
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break;
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}
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return;
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case uiAttributeSlashedZero:
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boolspec(spec, kTypographicExtrasType,
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kSlashedZeroOnSelector,
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kSlashedZeroOffSelector,
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f, data);
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return;
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case uiAttributeMathematicalGreek:
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boolspec(spec, kMathematicalExtrasType,
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kMathematicalGreekOnSelector,
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kMathematicalGreekOffSelector,
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f, data);
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return;
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case uiAttributeOrnamentalForms:
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(*f)(kOrnamentSetsType, (uint16_t) (spec->Value), data);
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return;
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case uiAttributeSpecificCharacterForm:
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(*f)(kCharacterAlternativesType, (uint16_t) (spec->Value), data);
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return;
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case uiAttributeTitlingCapitalForms:
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// TODO is this correct, or should we provide an else case?
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if (spec->Value != 0)
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(*f)(kStyleOptionsType, kTitlingCapsSelector, data);
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return;
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// TODO make an array?
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case uiAttributeHanCharacterForms:
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switch (spec->Value) {
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case uiAttributeHanCharacterFormTraditional:
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(*f)(kCharacterShapeType, kTraditionalCharactersSelector, data);
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break;
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case uiAttributeHanCharacterFormSimplified:
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(*f)(kCharacterShapeType, kSimplifiedCharactersSelector, data);
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break;
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case uiAttributeHanCharacterFormJIS1978:
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(*f)(kCharacterShapeType, kJIS1978CharactersSelector, data);
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break;
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case uiAttributeHanCharacterFormJIS1983:
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(*f)(kCharacterShapeType, kJIS1983CharactersSelector, data);
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break;
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case uiAttributeHanCharacterFormJIS1990:
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(*f)(kCharacterShapeType, kJIS1990CharactersSelector, data);
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break;
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case uiAttributeHanCharacterFormExpert:
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(*f)(kCharacterShapeType, kExpertCharactersSelector, data);
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break;
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case uiAttributeHanCharacterFormJIS2004:
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(*f)(kCharacterShapeType, kJIS2004CharactersSelector, data);
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break;
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case uiAttributeHanCharacterFormHojo:
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(*f)(kCharacterShapeType, kHojoCharactersSelector, data);
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break;
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case uiAttributeHanCharacterFormNLC:
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(*f)(kCharacterShapeType, kNLCCharactersSelector, data);
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break;
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case uiAttributeHanCharacterFormTraditionalNames:
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(*f)(kCharacterShapeType, kTraditionalNamesCharactersSelector, data);
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break;
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}
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return;
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case uiAttributeLowercaseNumbers:
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// TODO is this correct, or should we provide an else case?
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if (spec->Value != 0)
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(*f)(kNumberCaseType, kLowerCaseNumbersSelector, data);
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return;
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case uiAttributeHanjaToHangul:
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// TODO is this correct, or should we provide an else case?
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if (spec->Value != 0)
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(*f)(kTransliterationType, kHanjaToHangulSelector, data);
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return;
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case uiAttributeGlyphAnnotations:
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(*f)(kAnnotationType, (uint16_t) (spec->Value), data);
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return;
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case uiAttributeRubyKanaForms:
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// include this for completeness
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boolspec(spec, kRubyKanaType,
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kRubyKanaSelector,
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kNoRubyKanaSelector,
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f, data);
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// this is the current one
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boolspec(spec, kRubyKanaType,
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kRubyKanaOnSelector,
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kRubyKanaOffSelector,
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f, data);
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return;
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case uiAttributeCJKRomanToitalics:
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// include this for completeness
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boolspec(spec, kItalicCJKRomanType,
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kCJKItalicRomanSelector,
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kNoCJKItalicRomanSelector,
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f, data);
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// this is the current one
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boolspec(spec, kItalicCJKRomanType,
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kCJKItalicRomanOnSelector,
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kCJKItalicRomanOffSelector,
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f, data);
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return;
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case uiAttributeCaseSensitiveForms:
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boolspec(spec, kCaseSensitiveLayoutType,
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kCaseSensitiveLayoutOnSelector,
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kCaseSensitiveLayoutOffSelector,
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f, data);
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return;
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case uiAttributeCapitalSpacing:
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boolspec(spec, kCaseSensitiveLayoutType,
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kCaseSensitiveSpacingOnSelector,
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kCaseSensitiveSpacingOffSelector,
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f, data);
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return;
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case uiAttributeAlternateHorizontalKana:
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boolspec(spec, kAlternateKanaType,
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kAlternateHorizKanaOnSelector,
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kAlternateHorizKanaOffSelector,
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f, data);
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return;
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case uiAttributeAlternateVerticalKana:
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boolspec(spec, kAlternateKanaType,
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kAlternateVertKanaOnSelector,
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kAlternateVertKanaOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative1:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltOneOnSelector,
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kStylisticAltOneOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative2:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltTwoOnSelector,
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kStylisticAltTwoOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative3:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltThreeOnSelector,
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kStylisticAltThreeOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative4:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltFourOnSelector,
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kStylisticAltFourOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative5:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltFiveOnSelector,
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kStylisticAltFiveOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative6:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltSixOnSelector,
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kStylisticAltSixOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative7:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltSevenOnSelector,
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kStylisticAltSevenOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative8:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltEightOnSelector,
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kStylisticAltEightOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative9:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltNineOnSelector,
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kStylisticAltNineOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative10:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltTenOnSelector,
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kStylisticAltTenOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative11:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltElevenOnSelector,
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kStylisticAltElevenOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative12:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltTwelveOnSelector,
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kStylisticAltTwelveOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative13:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltThirteenOnSelector,
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kStylisticAltThirteenOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative14:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltFourteenOnSelector,
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kStylisticAltFourteenOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative15:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltFifteenOnSelector,
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kStylisticAltFifteenOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative16:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltSixteenOnSelector,
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kStylisticAltSixteenOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative17:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltSeventeenOnSelector,
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kStylisticAltSeventeenOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative18:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltEighteenOnSelector,
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kStylisticAltEighteenOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative19:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltNineteenOnSelector,
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kStylisticAltNineteenOffSelector,
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f, data);
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return;
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case uiAttributeStylisticAlternative20:
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boolspec(spec, kStylisticAlternativesType,
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kStylisticAltTwentyOnSelector,
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kStylisticAltTwentyOffSelector,
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f, data);
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return;
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case uiAttributeContextualAlternates:
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boolspec(spec, kContextualAlternatesType,
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kContextualAlternatesOnSelector,
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kContextualAlternatesOffSelector,
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f, data);
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return;
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case uiAttributeSwashes:
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boolspec(spec, kContextualAlternatesType,
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kSwashAlternatesOnSelector,
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kSwashAlternatesOffSelector,
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f, data);
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return;
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case uiAttributeContextualSwashes:
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boolspec(spec, kContextualAlternatesType,
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kContextualSwashAlternatesOnSelector,
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kContextualSwashAlternatesOffSelector,
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f, data);
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return;
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// TODO use arrays?
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case uiAttributeLowercaseCapForms:
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switch (spec->Value) {
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case uiAttributeCapFormNone:
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(*f)(kLowerCaseType, kDefaultLowerCaseSelector, data);
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break;
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case uiAttributeCapFormSmallCaps:
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// include this for compatibility (some fonts that come with OS X still use this!)
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// TODO make it boolean?
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(*f)(kLetterCaseType, kSmallCapsSelector, data);
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// this is the current one
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(*f)(kLowerCaseType, kLowerCaseSmallCapsSelector, data);
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break;
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case uiAttributeCapFormPetiteCaps:
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(*f)(kLowerCaseType, kLowerCasePetiteCapsSelector, data);
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break;
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}
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return;
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// TODO use arrays?
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case uiAttributeUppercaseCapForms:
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switch (spec->Value) {
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case uiAttributeCapFormNone:
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(*f)(kUpperCaseType, kDefaultUpperCaseSelector, data);
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break;
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case uiAttributeCapFormSmallCaps:
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(*f)(kUpperCaseType, kUpperCaseSmallCapsSelector, data);
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break;
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case uiAttributeCapFormPetiteCaps:
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(*f)(kUpperCaseType, kUpperCasePetiteCapsSelector, data);
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break;
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}
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return;
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}
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}
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