Add CTFrame and CTFramesetter

This commit is contained in:
Ryan Leckey
2018-08-20 16:29:06 -07:00
parent f323ee0e8f
commit 7ec49da393
3 changed files with 97 additions and 0 deletions
+38
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@@ -0,0 +1,38 @@
// Copyright 2013 The Servo Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::os::raw::c_void;
use core_foundation::base::{CFTypeID, TCFType};
use core_graphics::context::{CGContext, CGContextRef};
use foreign_types::{ForeignType, ForeignTypeRef};
#[repr(C)]
pub struct __CTFrame(c_void);
pub type CTFrameRef = *const __CTFrame;
declare_TCFType! {
CTFrame, CTFrameRef
}
impl_TCFType!(CTFrame, CTFrameRef, CTFrameGetTypeID);
impl_CFTypeDescription!(CTFrame);
impl CTFrame {
pub fn draw(&self, context: &CGContextRef) {
unsafe {
CTFrameDraw(self.as_concrete_TypeRef(), context.as_ptr());
}
}
}
#[link(name = "CoreText", kind = "framework")]
extern {
fn CTFrameGetTypeID() -> CFTypeID;
fn CTFrameDraw(frame: CTFrameRef, context: *mut <CGContext as ForeignType>::CType);
}
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@@ -0,0 +1,57 @@
// Copyright 2013 The Servo Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::os::raw::c_void;
use core_foundation::attributed_string::CFAttributedStringRef;
use core_foundation::base::{CFRange, CFTypeID, TCFType};
use core_graphics::path::{CGPath, CGPathRef};
use foreign_types::{ForeignType, ForeignTypeRef};
use std::ptr::null;
use super::frame::{CTFrameRef, CTFrame};
#[repr(C)]
pub struct __CTFramesetter(c_void);
pub type CTFramesetterRef = *const __CTFramesetter;
declare_TCFType! {
CTFramesetter, CTFramesetterRef
}
impl_TCFType!(CTFramesetter, CTFramesetterRef, CTFramesetterGetTypeID);
impl_CFTypeDescription!(CTFramesetter);
impl CTFramesetter {
pub fn new_with_attributed_string(string: CFAttributedStringRef) -> Self {
unsafe {
let ptr = CTFramesetterCreateWithAttributedString(string);
CTFramesetter::wrap_under_create_rule(ptr)
}
}
pub fn create_frame(&self, string_range: CFRange, path: &CGPathRef) -> CTFrame {
unsafe {
let ptr = CTFramesetterCreateFrame(
self.as_concrete_TypeRef(), string_range, path.as_ptr(), null());
CTFrame::wrap_under_create_rule(ptr)
}
}
}
#[link(name = "CoreText", kind = "framework")]
extern {
fn CTFramesetterGetTypeID() -> CFTypeID;
fn CTFramesetterCreateWithAttributedString(string: CFAttributedStringRef) -> CTFramesetterRef;
fn CTFramesetterCreateFrame(
framesetter: CTFramesetterRef,
string_range: CFRange,
path: *mut <CGPath as ForeignType>::CType,
attributes: *const c_void,
) -> CTFrameRef;
}
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@@ -23,3 +23,5 @@ pub mod font;
pub mod font_collection;
pub mod font_descriptor;
pub mod font_manager;
pub mod frame;
pub mod framesetter;