mirror of
https://github.com/zed-industries/zed.git
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Honor more OpenType features
This commit is contained in:
Antonio Scandurra
parent
9181ac9872
commit
f9d793cb4a
@ -24,6 +24,39 @@ pub type GlyphId = u32;
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#[derive(Copy, Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize, JsonSchema)]
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pub struct Features {
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pub calt: Option<bool>,
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pub case: Option<bool>,
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pub cpsp: Option<bool>,
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pub frac: Option<bool>,
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pub liga: Option<bool>,
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pub onum: Option<bool>,
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pub ordn: Option<bool>,
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pub pnum: Option<bool>,
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pub ss01: Option<bool>,
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pub ss02: Option<bool>,
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pub ss03: Option<bool>,
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pub ss04: Option<bool>,
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pub ss05: Option<bool>,
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pub ss06: Option<bool>,
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pub ss07: Option<bool>,
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pub ss08: Option<bool>,
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pub ss09: Option<bool>,
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pub ss10: Option<bool>,
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pub ss11: Option<bool>,
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pub ss12: Option<bool>,
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pub ss13: Option<bool>,
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pub ss14: Option<bool>,
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pub ss15: Option<bool>,
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pub ss16: Option<bool>,
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pub ss17: Option<bool>,
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pub ss18: Option<bool>,
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pub ss19: Option<bool>,
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pub ss20: Option<bool>,
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pub subs: Option<bool>,
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pub sups: Option<bool>,
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pub swsh: Option<bool>,
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pub titl: Option<bool>,
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pub tnum: Option<bool>,
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pub zero: Option<bool>,
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}
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#[derive(Clone, Debug)]
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@ -16,29 +16,19 @@ use core_foundation::{
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array::CFIndex,
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attributed_string::{CFAttributedStringRef, CFMutableAttributedString},
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base::{CFRange, TCFType},
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number::CFNumber,
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string::CFString,
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};
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use core_graphics::{
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base::{kCGImageAlphaPremultipliedLast, CGGlyph},
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color_space::CGColorSpace,
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context::CGContext,
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geometry::CGAffineTransform,
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};
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use core_text::{
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font::{CTFont, CTFontRef},
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font_descriptor::{
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CTFontDescriptor, CTFontDescriptorCreateCopyWithFeature, CTFontDescriptorRef,
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},
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line::CTLine,
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string_attributes::kCTFontAttributeName,
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};
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use core_text::{font::CTFont, line::CTLine, string_attributes::kCTFontAttributeName};
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use font_kit::{
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font::Font, handle::Handle, hinting::HintingOptions, source::SystemSource,
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sources::mem::MemSource,
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handle::Handle, hinting::HintingOptions, source::SystemSource, sources::mem::MemSource,
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};
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use parking_lot::RwLock;
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use std::{cell::RefCell, char, cmp, convert::TryFrom, ffi::c_void, ptr, sync::Arc};
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use std::{cell::RefCell, char, cmp, convert::TryFrom, ffi::c_void, sync::Arc};
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#[allow(non_upper_case_globals)]
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const kCGImageAlphaOnly: u32 = 7;
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@ -147,16 +137,7 @@ impl FontSystemState {
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.or_else(|_| self.system_source.select_family_by_name(name))?;
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for font in family.fonts() {
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let mut font = font.load()?;
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if let Some(calt) = features.calt {
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let value = if calt {
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open_type::kContextualAlternatesOnSelector
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} else {
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open_type::kContextualAlternatesOffSelector
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};
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font = toggle_open_type_feature(&font, open_type::kContextualAlternatesType, value);
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}
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open_type::apply_features(&mut font, features);
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let font_id = FontId(self.fonts.len());
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font_ids.push(font_id);
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let postscript_name = font.postscript_name().unwrap();
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@ -512,33 +493,6 @@ extern "C" {
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start_index: CFIndex,
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width: f64,
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) -> CFIndex;
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fn CTFontCreateCopyWithAttributes(
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font: CTFontRef,
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size: CGFloat,
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matrix: *const CGAffineTransform,
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attributes: CTFontDescriptorRef,
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) -> CTFontRef;
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}
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fn toggle_open_type_feature(font: &Font, type_identifier: i32, selector_identifier: i32) -> Font {
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let native_font = font.native_font();
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unsafe {
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let new_descriptor = CTFontDescriptorCreateCopyWithFeature(
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native_font.copy_descriptor().as_concrete_TypeRef(),
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CFNumber::from(type_identifier).as_concrete_TypeRef(),
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CFNumber::from(selector_identifier).as_concrete_TypeRef(),
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);
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let new_descriptor = CTFontDescriptor::wrap_under_create_rule(new_descriptor);
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let new_font = CTFontCreateCopyWithAttributes(
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font.native_font().as_concrete_TypeRef(),
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0.0,
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ptr::null(),
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new_descriptor.as_concrete_TypeRef(),
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);
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let new_font = CTFont::wrap_under_create_rule(new_font);
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Font::from_native_font(new_font)
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}
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}
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#[cfg(test)]
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@ -1,83 +1,395 @@
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#![allow(unused, non_upper_case_globals)]
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pub const kAltHalfWidthTextSelector: i32 = 6;
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pub const kAltProportionalTextSelector: i32 = 5;
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pub const kAlternateHorizKanaOffSelector: i32 = 1;
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pub const kAlternateHorizKanaOnSelector: i32 = 0;
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pub const kAlternateKanaType: i32 = 34;
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pub const kAlternateVertKanaOffSelector: i32 = 3;
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pub const kAlternateVertKanaOnSelector: i32 = 2;
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pub const kCaseSensitiveLayoutOffSelector: i32 = 1;
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pub const kCaseSensitiveLayoutOnSelector: i32 = 0;
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pub const kCaseSensitiveLayoutType: i32 = 33;
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pub const kCaseSensitiveSpacingOffSelector: i32 = 3;
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pub const kCaseSensitiveSpacingOnSelector: i32 = 2;
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pub const kContextualAlternatesOffSelector: i32 = 1;
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pub const kContextualAlternatesOnSelector: i32 = 0;
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pub const kContextualAlternatesType: i32 = 36;
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pub const kContextualLigaturesOffSelector: i32 = 19;
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pub const kContextualLigaturesOnSelector: i32 = 18;
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pub const kContextualSwashAlternatesOffSelector: i32 = 5;
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pub const kContextualSwashAlternatesOnSelector: i32 = 4;
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pub const kDefaultLowerCaseSelector: i32 = 0;
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pub const kDefaultUpperCaseSelector: i32 = 0;
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pub const kHistoricalLigaturesOffSelector: i32 = 21;
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pub const kHistoricalLigaturesOnSelector: i32 = 20;
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pub const kHojoCharactersSelector: i32 = 12;
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pub const kJIS2004CharactersSelector: i32 = 11;
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pub const kLowerCasePetiteCapsSelector: i32 = 2;
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pub const kLowerCaseSmallCapsSelector: i32 = 1;
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pub const kLowerCaseType: i32 = 37;
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pub const kMathematicalGreekOffSelector: i32 = 11;
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pub const kMathematicalGreekOnSelector: i32 = 10;
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pub const kNLCCharactersSelector: i32 = 13;
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pub const kQuarterWidthTextSelector: i32 = 4;
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pub const kScientificInferiorsSelector: i32 = 4;
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pub const kStylisticAltEightOffSelector: i32 = 17;
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pub const kStylisticAltEightOnSelector: i32 = 16;
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pub const kStylisticAltEighteenOffSelector: i32 = 37;
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pub const kStylisticAltEighteenOnSelector: i32 = 36;
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pub const kStylisticAltElevenOffSelector: i32 = 23;
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pub const kStylisticAltElevenOnSelector: i32 = 22;
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pub const kStylisticAltFifteenOffSelector: i32 = 31;
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pub const kStylisticAltFifteenOnSelector: i32 = 30;
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pub const kStylisticAltFiveOffSelector: i32 = 11;
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pub const kStylisticAltFiveOnSelector: i32 = 10;
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pub const kStylisticAltFourOffSelector: i32 = 9;
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pub const kStylisticAltFourOnSelector: i32 = 8;
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pub const kStylisticAltFourteenOffSelector: i32 = 29;
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pub const kStylisticAltFourteenOnSelector: i32 = 28;
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pub const kStylisticAltNineOffSelector: i32 = 19;
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pub const kStylisticAltNineOnSelector: i32 = 18;
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pub const kStylisticAltNineteenOffSelector: i32 = 39;
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pub const kStylisticAltNineteenOnSelector: i32 = 38;
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pub const kStylisticAltOneOffSelector: i32 = 3;
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pub const kStylisticAltOneOnSelector: i32 = 2;
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pub const kStylisticAltSevenOffSelector: i32 = 15;
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pub const kStylisticAltSevenOnSelector: i32 = 14;
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pub const kStylisticAltSeventeenOffSelector: i32 = 35;
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pub const kStylisticAltSeventeenOnSelector: i32 = 34;
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pub const kStylisticAltSixOffSelector: i32 = 13;
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pub const kStylisticAltSixOnSelector: i32 = 12;
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pub const kStylisticAltSixteenOffSelector: i32 = 33;
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pub const kStylisticAltSixteenOnSelector: i32 = 32;
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pub const kStylisticAltTenOffSelector: i32 = 21;
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pub const kStylisticAltTenOnSelector: i32 = 20;
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pub const kStylisticAltThirteenOffSelector: i32 = 27;
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pub const kStylisticAltThirteenOnSelector: i32 = 26;
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pub const kStylisticAltThreeOffSelector: i32 = 7;
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pub const kStylisticAltThreeOnSelector: i32 = 6;
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pub const kStylisticAltTwelveOffSelector: i32 = 25;
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pub const kStylisticAltTwelveOnSelector: i32 = 24;
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pub const kStylisticAltTwentyOffSelector: i32 = 41;
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pub const kStylisticAltTwentyOnSelector: i32 = 40;
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pub const kStylisticAltTwoOffSelector: i32 = 5;
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pub const kStylisticAltTwoOnSelector: i32 = 4;
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pub const kStylisticAlternativesType: i32 = 35;
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pub const kSwashAlternatesOffSelector: i32 = 3;
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pub const kSwashAlternatesOnSelector: i32 = 2;
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pub const kThirdWidthTextSelector: i32 = 3;
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pub const kTraditionalNamesCharactersSelector: i32 = 14;
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pub const kUpperCasePetiteCapsSelector: i32 = 2;
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pub const kUpperCaseSmallCapsSelector: i32 = 1;
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pub const kUpperCaseType: i32 = 38;
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use std::ptr;
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use crate::fonts::Features;
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use cocoa::appkit::CGFloat;
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use core_foundation::{base::TCFType, number::CFNumber};
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use core_graphics::geometry::CGAffineTransform;
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use core_text::{
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font::{CTFont, CTFontRef},
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font_descriptor::{
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CTFontDescriptor, CTFontDescriptorCreateCopyWithFeature, CTFontDescriptorRef,
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},
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};
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use font_kit::font::Font;
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const kCaseSensitiveLayoutOffSelector: i32 = 1;
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const kCaseSensitiveLayoutOnSelector: i32 = 0;
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const kCaseSensitiveLayoutType: i32 = 33;
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const kCaseSensitiveSpacingOffSelector: i32 = 3;
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const kCaseSensitiveSpacingOnSelector: i32 = 2;
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const kCharacterAlternativesType: i32 = 17;
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const kCommonLigaturesOffSelector: i32 = 3;
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const kCommonLigaturesOnSelector: i32 = 2;
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const kContextualAlternatesOffSelector: i32 = 1;
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const kContextualAlternatesOnSelector: i32 = 0;
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const kContextualAlternatesType: i32 = 36;
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const kContextualLigaturesOffSelector: i32 = 19;
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const kContextualLigaturesOnSelector: i32 = 18;
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const kContextualSwashAlternatesOffSelector: i32 = 5;
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const kContextualSwashAlternatesOnSelector: i32 = 4;
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const kDefaultLowerCaseSelector: i32 = 0;
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const kDefaultUpperCaseSelector: i32 = 0;
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const kDiagonalFractionsSelector: i32 = 2;
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const kFractionsType: i32 = 11;
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const kHistoricalLigaturesOffSelector: i32 = 21;
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const kHistoricalLigaturesOnSelector: i32 = 20;
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const kHojoCharactersSelector: i32 = 12;
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const kInferiorsSelector: i32 = 2;
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const kJIS2004CharactersSelector: i32 = 11;
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const kLigaturesType: i32 = 1;
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const kLowerCasePetiteCapsSelector: i32 = 2;
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const kLowerCaseSmallCapsSelector: i32 = 1;
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const kLowerCaseType: i32 = 37;
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const kLowerCaseNumbersSelector: i32 = 0;
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const kMathematicalGreekOffSelector: i32 = 11;
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const kMathematicalGreekOnSelector: i32 = 10;
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const kMonospacedNumbersSelector: i32 = 0;
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const kNLCCharactersSelector: i32 = 13;
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const kNoFractionsSelector: i32 = 0;
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const kNormalPositionSelector: i32 = 0;
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const kNoStyleOptionsSelector: i32 = 0;
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const kNumberCaseType: i32 = 21;
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const kNumberSpacingType: i32 = 6;
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const kOrdinalsSelector: i32 = 3;
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const kProportionalNumbersSelector: i32 = 1;
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const kQuarterWidthTextSelector: i32 = 4;
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const kScientificInferiorsSelector: i32 = 4;
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const kSlashedZeroOffSelector: i32 = 5;
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const kSlashedZeroOnSelector: i32 = 4;
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const kStyleOptionsType: i32 = 19;
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const kStylisticAltEighteenOffSelector: i32 = 37;
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const kStylisticAltEighteenOnSelector: i32 = 36;
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const kStylisticAltEightOffSelector: i32 = 17;
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const kStylisticAltEightOnSelector: i32 = 16;
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const kStylisticAltElevenOffSelector: i32 = 23;
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const kStylisticAltElevenOnSelector: i32 = 22;
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const kStylisticAlternativesType: i32 = 35;
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const kStylisticAltFifteenOffSelector: i32 = 31;
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const kStylisticAltFifteenOnSelector: i32 = 30;
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const kStylisticAltFiveOffSelector: i32 = 11;
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const kStylisticAltFiveOnSelector: i32 = 10;
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const kStylisticAltFourOffSelector: i32 = 9;
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const kStylisticAltFourOnSelector: i32 = 8;
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const kStylisticAltFourteenOffSelector: i32 = 29;
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const kStylisticAltFourteenOnSelector: i32 = 28;
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const kStylisticAltNineOffSelector: i32 = 19;
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const kStylisticAltNineOnSelector: i32 = 18;
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const kStylisticAltNineteenOffSelector: i32 = 39;
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const kStylisticAltNineteenOnSelector: i32 = 38;
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const kStylisticAltOneOffSelector: i32 = 3;
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const kStylisticAltOneOnSelector: i32 = 2;
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const kStylisticAltSevenOffSelector: i32 = 15;
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const kStylisticAltSevenOnSelector: i32 = 14;
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const kStylisticAltSeventeenOffSelector: i32 = 35;
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const kStylisticAltSeventeenOnSelector: i32 = 34;
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const kStylisticAltSixOffSelector: i32 = 13;
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const kStylisticAltSixOnSelector: i32 = 12;
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const kStylisticAltSixteenOffSelector: i32 = 33;
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const kStylisticAltSixteenOnSelector: i32 = 32;
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const kStylisticAltTenOffSelector: i32 = 21;
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const kStylisticAltTenOnSelector: i32 = 20;
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const kStylisticAltThirteenOffSelector: i32 = 27;
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const kStylisticAltThirteenOnSelector: i32 = 26;
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const kStylisticAltThreeOffSelector: i32 = 7;
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const kStylisticAltThreeOnSelector: i32 = 6;
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const kStylisticAltTwelveOffSelector: i32 = 25;
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const kStylisticAltTwelveOnSelector: i32 = 24;
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const kStylisticAltTwentyOffSelector: i32 = 41;
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const kStylisticAltTwentyOnSelector: i32 = 40;
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const kStylisticAltTwoOffSelector: i32 = 5;
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const kStylisticAltTwoOnSelector: i32 = 4;
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const kSuperiorsSelector: i32 = 1;
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const kSwashAlternatesOffSelector: i32 = 3;
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const kSwashAlternatesOnSelector: i32 = 2;
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const kTitlingCapsSelector: i32 = 4;
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const kTypographicExtrasType: i32 = 14;
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const kVerticalFractionsSelector: i32 = 1;
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const kVerticalPositionType: i32 = 10;
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pub fn apply_features(font: &mut Font, features: &Features) {
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// See https://chromium.googlesource.com/chromium/src/+/66.0.3359.158/third_party/harfbuzz-ng/src/hb-coretext.cc
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// for a reference implementation.
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toggle_open_type_feature(
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font,
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features.calt,
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kContextualAlternatesType,
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kContextualAlternatesOnSelector,
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kContextualAlternatesOffSelector,
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);
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toggle_open_type_feature(
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font,
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features.case,
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kCaseSensitiveLayoutType,
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kCaseSensitiveLayoutOnSelector,
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kCaseSensitiveLayoutOffSelector,
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);
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toggle_open_type_feature(
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font,
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features.cpsp,
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kCaseSensitiveLayoutType,
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kCaseSensitiveSpacingOnSelector,
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kCaseSensitiveSpacingOffSelector,
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);
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toggle_open_type_feature(
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font,
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features.frac,
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kFractionsType,
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kDiagonalFractionsSelector,
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kNoFractionsSelector,
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);
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toggle_open_type_feature(
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font,
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features.liga,
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kLigaturesType,
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kCommonLigaturesOnSelector,
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kCommonLigaturesOffSelector,
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);
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toggle_open_type_feature(
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font,
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features.onum,
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kNumberCaseType,
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kLowerCaseNumbersSelector,
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2,
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);
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toggle_open_type_feature(
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font,
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features.ordn,
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kVerticalPositionType,
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kOrdinalsSelector,
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kNormalPositionSelector,
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);
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toggle_open_type_feature(
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font,
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features.pnum,
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kNumberSpacingType,
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kProportionalNumbersSelector,
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4,
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);
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toggle_open_type_feature(
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font,
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features.ss01,
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kStylisticAlternativesType,
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kStylisticAltOneOnSelector,
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kStylisticAltOneOffSelector,
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);
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toggle_open_type_feature(
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font,
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features.ss02,
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kStylisticAlternativesType,
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kStylisticAltTwoOnSelector,
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kStylisticAltTwoOffSelector,
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);
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toggle_open_type_feature(
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font,
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features.ss03,
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kStylisticAlternativesType,
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kStylisticAltThreeOnSelector,
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kStylisticAltThreeOffSelector,
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);
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toggle_open_type_feature(
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font,
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features.ss04,
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kStylisticAlternativesType,
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kStylisticAltFourOnSelector,
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kStylisticAltFourOffSelector,
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);
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toggle_open_type_feature(
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font,
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features.ss05,
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kStylisticAlternativesType,
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||||
kStylisticAltFiveOnSelector,
|
||||
kStylisticAltFiveOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.ss06,
|
||||
kStylisticAlternativesType,
|
||||
kStylisticAltSixOnSelector,
|
||||
kStylisticAltSixOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.ss07,
|
||||
kStylisticAlternativesType,
|
||||
kStylisticAltSevenOnSelector,
|
||||
kStylisticAltSevenOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.ss08,
|
||||
kStylisticAlternativesType,
|
||||
kStylisticAltEightOnSelector,
|
||||
kStylisticAltEightOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.ss09,
|
||||
kStylisticAlternativesType,
|
||||
kStylisticAltNineOnSelector,
|
||||
kStylisticAltNineOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.ss10,
|
||||
kStylisticAlternativesType,
|
||||
kStylisticAltTenOnSelector,
|
||||
kStylisticAltTenOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.ss11,
|
||||
kStylisticAlternativesType,
|
||||
kStylisticAltElevenOnSelector,
|
||||
kStylisticAltElevenOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.ss12,
|
||||
kStylisticAlternativesType,
|
||||
kStylisticAltTwelveOnSelector,
|
||||
kStylisticAltTwelveOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.ss13,
|
||||
kStylisticAlternativesType,
|
||||
kStylisticAltThirteenOnSelector,
|
||||
kStylisticAltThirteenOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.ss14,
|
||||
kStylisticAlternativesType,
|
||||
kStylisticAltFourteenOnSelector,
|
||||
kStylisticAltFourteenOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.ss15,
|
||||
kStylisticAlternativesType,
|
||||
kStylisticAltFifteenOnSelector,
|
||||
kStylisticAltFifteenOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.ss16,
|
||||
kStylisticAlternativesType,
|
||||
kStylisticAltSixteenOnSelector,
|
||||
kStylisticAltSixteenOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.ss17,
|
||||
kStylisticAlternativesType,
|
||||
kStylisticAltSeventeenOnSelector,
|
||||
kStylisticAltSeventeenOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.ss18,
|
||||
kStylisticAlternativesType,
|
||||
kStylisticAltEighteenOnSelector,
|
||||
kStylisticAltEighteenOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.ss19,
|
||||
kStylisticAlternativesType,
|
||||
kStylisticAltNineteenOnSelector,
|
||||
kStylisticAltNineteenOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.ss20,
|
||||
kStylisticAlternativesType,
|
||||
kStylisticAltTwentyOnSelector,
|
||||
kStylisticAltTwentyOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.subs,
|
||||
kVerticalPositionType,
|
||||
kInferiorsSelector,
|
||||
kNormalPositionSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.sups,
|
||||
kVerticalPositionType,
|
||||
kSuperiorsSelector,
|
||||
kNormalPositionSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.swsh,
|
||||
kContextualAlternatesType,
|
||||
kSwashAlternatesOnSelector,
|
||||
kSwashAlternatesOffSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.titl,
|
||||
kStyleOptionsType,
|
||||
kTitlingCapsSelector,
|
||||
kNoStyleOptionsSelector,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.tnum,
|
||||
kNumberSpacingType,
|
||||
kMonospacedNumbersSelector,
|
||||
4,
|
||||
);
|
||||
toggle_open_type_feature(
|
||||
font,
|
||||
features.zero,
|
||||
kTypographicExtrasType,
|
||||
kSlashedZeroOnSelector,
|
||||
kSlashedZeroOffSelector,
|
||||
);
|
||||
}
|
||||
|
||||
fn toggle_open_type_feature(
|
||||
font: &mut Font,
|
||||
enabled: Option<bool>,
|
||||
type_identifier: i32,
|
||||
on_selector_identifier: i32,
|
||||
off_selector_identifier: i32,
|
||||
) {
|
||||
if let Some(enabled) = enabled {
|
||||
let native_font = font.native_font();
|
||||
unsafe {
|
||||
let selector_identifier = if enabled {
|
||||
on_selector_identifier
|
||||
} else {
|
||||
off_selector_identifier
|
||||
};
|
||||
let new_descriptor = CTFontDescriptorCreateCopyWithFeature(
|
||||
native_font.copy_descriptor().as_concrete_TypeRef(),
|
||||
CFNumber::from(type_identifier).as_concrete_TypeRef(),
|
||||
CFNumber::from(selector_identifier).as_concrete_TypeRef(),
|
||||
);
|
||||
let new_descriptor = CTFontDescriptor::wrap_under_create_rule(new_descriptor);
|
||||
let new_font = CTFontCreateCopyWithAttributes(
|
||||
font.native_font().as_concrete_TypeRef(),
|
||||
0.0,
|
||||
ptr::null(),
|
||||
new_descriptor.as_concrete_TypeRef(),
|
||||
);
|
||||
let new_font = CTFont::wrap_under_create_rule(new_font);
|
||||
*font = Font::from_native_font(new_font);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[link(name = "CoreText", kind = "framework")]
|
||||
extern "C" {
|
||||
fn CTFontCreateCopyWithAttributes(
|
||||
font: CTFontRef,
|
||||
size: CGFloat,
|
||||
matrix: *const CGAffineTransform,
|
||||
attributes: CTFontDescriptorRef,
|
||||
) -> CTFontRef;
|
||||
}
|
||||
|
||||
@ -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(
|
||||
|
||||
Loading…
Reference in New Issue
Block a user