core_text/
font_manager.rs

1// Copyright 2013 The Servo Project Developers. See the COPYRIGHT
2// file at the top-level directory of this distribution.
3//
4// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
5// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
7// option. This file may not be copied, modified, or distributed
8// except according to those terms.
9
10use crate::font_descriptor::{CTFontDescriptor, CTFontDescriptorRef};
11use core_foundation::array::{CFArray, CFArrayRef};
12use core_foundation::base::TCFType;
13use core_foundation::data::{CFData, CFDataRef};
14use core_foundation::string::CFString;
15use core_foundation::url::CFURLRef;
16
17pub fn copy_available_font_family_names() -> CFArray<CFString> {
18    unsafe { TCFType::wrap_under_create_rule(CTFontManagerCopyAvailableFontFamilyNames()) }
19}
20
21pub fn create_font_descriptor(buffer: &[u8]) -> Result<CTFontDescriptor, ()> {
22    let cf_data = CFData::from_buffer(buffer);
23    unsafe {
24        let ct_font_descriptor_ref =
25            CTFontManagerCreateFontDescriptorFromData(cf_data.as_concrete_TypeRef());
26        if ct_font_descriptor_ref.is_null() {
27            return Err(());
28        }
29        Ok(CTFontDescriptor::wrap_under_create_rule(
30            ct_font_descriptor_ref,
31        ))
32    }
33}
34
35pub fn create_font_descriptor_with_data(data: CFData) -> Result<CTFontDescriptor, ()> {
36    unsafe {
37        let ct_font_descriptor_ref =
38            CTFontManagerCreateFontDescriptorFromData(data.as_concrete_TypeRef());
39        if ct_font_descriptor_ref.is_null() {
40            return Err(());
41        }
42        Ok(CTFontDescriptor::wrap_under_create_rule(
43            ct_font_descriptor_ref,
44        ))
45    }
46}
47
48extern "C" {
49    /*
50     * CTFontManager.h
51     */
52
53    // Incomplete function bindings are mostly related to CoreText font matching, which
54    // we implement in a platform-independent manner using FontMatcher.
55
56    //pub fn CTFontManagerCompareFontFamilyNames
57    pub fn CTFontManagerCopyAvailableFontURLs() -> CFArrayRef;
58    pub fn CTFontManagerCopyAvailableFontFamilyNames() -> CFArrayRef;
59    pub fn CTFontManagerCopyAvailablePostScriptNames() -> CFArrayRef;
60    pub fn CTFontManagerCreateFontDescriptorsFromURL(fileURL: CFURLRef) -> CFArrayRef;
61    pub fn CTFontManagerCreateFontDescriptorFromData(data: CFDataRef) -> CTFontDescriptorRef;
62    //pub fn CTFontManagerCreateFontRequestRunLoopSource
63    //pub fn CTFontManagerEnableFontDescriptors
64    //pub fn CTFontManagerGetAutoActivationSetting
65    //pub fn CTFontManagerGetScopeForURL
66    //pub fn CTFontManagerGetAutoActivationSetting
67    //pub fn CTFontManagerGetScopeForURL
68    pub fn CTFontManagerIsSupportedFont(fontURL: CFURLRef) -> bool;
69    //pub fn CTFontManagerRegisterFontsForURL
70    //pub fn CTFontManagerRegisterFontsForURLs
71    //pub fn CTFontManagerRegisterGraphicsFont
72    //pub fn CTFontManagerSetAutoActivationSetting
73    //pub fn CTFontManagerUnregisterFontsForURL
74    //pub fn CTFontManagerUnregisterFontsForURLs
75    //pub fn CTFontManagerUnregisterGraphicsFont
76}
core_text/font_manager.rs

core_text/
font_manager.rs
