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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use core_foundation::base::TCFType;
use core_foundation::string::{CFString, CFStringRef};
use core_text;
use core_text::font_descriptor::{CTFontDescriptor, CTFontDescriptorRef};
use std::borrow::ToOwned;
use std::mem;
pub fn for_each_available_family<F>(mut callback: F) where F: FnMut(String) {
let family_names = core_text::font_collection::get_family_names();
for strref in family_names.iter() {
let family_name_ref: CFStringRef = unsafe { mem::transmute(strref) };
let family_name_cf: CFString = unsafe { TCFType::wrap_under_get_rule(family_name_ref) };
let family_name = family_name_cf.to_string();
callback(family_name);
}
}
pub fn for_each_variation<F>(family_name: &str, mut callback: F) where F: FnMut(String) {
debug!("Looking for faces of family: {}", family_name);
let family_collection = core_text::font_collection::create_for_family(family_name);
if let Some(family_collection) = family_collection {
let family_descriptors = family_collection.get_descriptors();
for descref in family_descriptors.iter() {
let descref: CTFontDescriptorRef = unsafe { mem::transmute(descref) };
let desc: CTFontDescriptor = unsafe { TCFType::wrap_under_get_rule(descref) };
let postscript_name = desc.font_name();
callback(postscript_name);
}
}
}
pub fn system_default_family(_generic_name: &str) -> Option<String> {
None
}
pub fn last_resort_font_families() -> Vec<String> {
vec!("Arial Unicode MS".to_owned(), "Arial".to_owned())
}
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