191 lines
6.9 KiB
C
191 lines
6.9 KiB
C
_UI_ENUM(uiAttribute) {
|
|
uiAttributeFamily,
|
|
uiAttributeSize, // use Double
|
|
uiAttributeWeight,
|
|
uiAttributeItalic,
|
|
uiAttributeStretch,
|
|
uiAttributeColor, // use R, G, B, A
|
|
uiAttributeBackground, // use R, G, B, A
|
|
|
|
// TODO kerning amount
|
|
// OS X: kCTKernAttributeName
|
|
// > 0: farther (TODO from advance or standard kerning?)
|
|
// == 0: no kerning
|
|
// < 0: closer (TODO same)
|
|
// undefined: standard kerning
|
|
// Pango: pango_attr_letter_spacing_new()
|
|
// parameter meaning unspecified
|
|
// Windows: requires Platform Update, SetLetterSpacing()
|
|
// parameter meaning unspecified
|
|
|
|
uiAttributeUnderline, // enum uiDrawUnderlineStyle
|
|
// TODO what is the color in the case we don't specify it, black or the text color?
|
|
uiAttributeUnderlineColor, // enum uiDrawUnderlineColor
|
|
|
|
// TODO kCTSuperscriptAttributeName vs below
|
|
// all it does is set the below attribute so
|
|
|
|
// TODO kCTBaselineClassAttributeName, kCTBaselineInfoAttributeName, kCTBaselineReferenceInfoAttributeName
|
|
|
|
// TODO strikethroughs? (pango yes, directwrite yes, os x no)
|
|
// TODO baseline offsets? (pango yes)
|
|
// TODO size scales? (pango yes)
|
|
// TODO fallbacks (pango: enable or disable)
|
|
|
|
// TODO document that this will also enable language-specific font features (TODO on DirectWrite too?)
|
|
// TODO document that this should be strict BCP 47 form (A-Z, a-z, 0-9, and -) for maximum compatibility
|
|
uiAttributeLanguage, // BCP 47 string
|
|
|
|
// These attributes represent typographic features. Each feature
|
|
// is a separate attribute, to make composition easier. The
|
|
// availability of for each attribute are defined by the font; the
|
|
// default values are defined by the font and/or by the OS.
|
|
//
|
|
// A note about features whose parameter is an enumeration:
|
|
// OS X defines typographic features using the AAT specification
|
|
// and converts to OpenType internally when needed, whereas
|
|
// other platforms use OpenType directly. OpenType is less
|
|
// precise about what each enumeration value means than AAT
|
|
// is, so enumeration values do not necessarily represent what
|
|
// OS X expects with all fonts. In cases where they do, libui
|
|
// provides an enumeration type to use. Otherwise, the AAT
|
|
// enumeration values are provided in comments for
|
|
// documentation purposes.
|
|
|
|
// TODO kAllTypographicFeaturesType
|
|
|
|
// AAT calls these "common ligatures"
|
|
uiAttributeStandardLigatures, // 0 = off, 1 = on
|
|
uiAttributeRequiredLigatures, // 0 = off, 1 = on
|
|
// AAT calls these "rare ligatures"
|
|
uiAttributeDiscretionaryLigatures, // 0 = off, 1 = on
|
|
uiAttributeContextualLigatures, // 0 = off, 1 = on
|
|
uiAttributeHistoricalLigatures, // 0 = off, 1 = on
|
|
|
|
// TODO uiAttributeCursiveConnection, // 0 = none, 1 = some, 2 = all
|
|
|
|
uiAttributeUnicase, // 0 = off, 1 = on
|
|
|
|
// TODO uiAttributeLinguisticRearrangement, // 0 = off, 1 = on
|
|
|
|
// TODO rename this
|
|
uiAttributeNumberSpacings, // enum uiAttributeNumberSpacing
|
|
|
|
// TODO kSmartSwashType, falt and jalt
|
|
|
|
// TODO kDiacriticsType
|
|
|
|
uiAttributeSuperscripts, // enum uiAttributeSuperscript
|
|
|
|
uiAttributeFractionForms, // enum uiAttributeFractionForm
|
|
|
|
uiAttributeSlashedZero, // 0 = off, 1 = on
|
|
|
|
uiAttributeMathematicalGreek, // 0 = off, 1 = on
|
|
|
|
// AAT defines the following values:
|
|
// 0 = none
|
|
// 1 = dingbats
|
|
// 2 = pi characters
|
|
// 3 = fleurons
|
|
// 4 = decorative borders
|
|
// 5 = international symbols
|
|
// 6 = mathematical symbols
|
|
// OpenType says alphanumeric characters must(? TODO) have one form each and the bullet character U+2022 (•) can have many
|
|
uiAttributeOrnamentalForms, // an integer from 0 to a font-specified upper bound
|
|
// TODO provide a function to get the upper bound?
|
|
|
|
// AAT calls this "character alternatives" and defines the
|
|
// following values:
|
|
// 0 = none
|
|
// OpenType calls this "access all alternates".
|
|
// TODO doesn't OpenType do the same about 0?
|
|
uiAttributeSpecificCharacterForm, // an integer from 0 to a font-specified upper bound
|
|
// TODO provide a function to get the upper bound?
|
|
|
|
uiAttributeTitlingCapitalForms, // 0 = off, 1 = on
|
|
|
|
// AAT calls these "character shapes"
|
|
uiAttributeHanCharacterForms, // enum uiAttributeHanCharacterForm
|
|
|
|
// OpenType calls these "old-style"
|
|
uiAttributeLowercaseNumbers, // 0 = off, 1 = on
|
|
|
|
// TODO kTextSpacingType
|
|
// see kKanaSpacingType below
|
|
|
|
uiAttributeHanjaToHangul, // 0 = off, 1 = on
|
|
|
|
// AAT defines the following values:
|
|
// 0 = none
|
|
// 1 = box
|
|
// 2 = rounded box
|
|
// 3 = circle
|
|
// 4 = inverted circle
|
|
// 5 = parentheses
|
|
// 6 = period
|
|
// 7 = roman numeral
|
|
// 8 = diamond
|
|
// 9 = inverted box
|
|
// 10 = inverted rounded box
|
|
// TODO rename to AnnotatedForms?
|
|
uiAttributeAnnotatedGlyphForms, // an integer from 0 to a font-specified upper bound
|
|
// TODO provide a function to get the upper bound?
|
|
|
|
// TODO kKanaSpacingType
|
|
// TODO kIdeographicSpacingType
|
|
// can they be provided independently of kTextSpacingType? Core Text doesn't seem to
|
|
|
|
// TODO kUnicodeDecompositionType
|
|
|
|
uiAttributeRubyKanaForms, // 0 = off, 1 = on
|
|
|
|
// TODO kCJKVerticalRomanPlacementType
|
|
// this is 'valt' in OpenType but I don't know if I want to make it selectable or not
|
|
|
|
uiAttributeCJKRomansToItalics, // 0 = off, 1 = on
|
|
|
|
// AAT calls this "case-sensitive layout"
|
|
uiAttributeCaseSensitiveForms, // 0 = off, 1 = on
|
|
// AAT: this is called "case-sensitive spacing"
|
|
uiAttributeCapitalSpacing, // 0 = off, 1 = on
|
|
|
|
uiAttributeAlternateHorizontalKana, // 0 = off, 1 = on
|
|
uiAttributeAlternateVerticalKana, // 0 = off, 1 = on
|
|
|
|
// TODO "Alternate"? unify all this
|
|
// TODO document that these are guaranteed to be consecutive
|
|
uiAttributeStylisticAlternate1, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate2, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate3, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate4, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate5, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate6, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate7, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate8, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate9, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate10, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate11, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate12, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate13, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate14, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate15, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate16, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate17, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate18, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate19, // 0 = off, 1 = on
|
|
uiAttributeStylisticAlternate20, // 0 = off, 1 = on
|
|
|
|
uiAttributeContextualAlternates, // 0 = off, 1 = on
|
|
uiAttributeSwashes, // 0 = off, 1 = on
|
|
uiAttributeContextualSwashes, // 0 = off, 1 = on
|
|
|
|
uiAttributeLowercaseCapForms, // enum uiAttributeCapForm
|
|
uiAttributeUppercaseCapForms, // enum uiAttributeCapForm
|
|
|
|
// TODO kCJKRomanSpacingType
|
|
|
|
// TODO uiAttributeSystem, (this might not be doable with DirectWrite)
|
|
// TODO uiAttributeCustom,
|
|
};
|