From 7ec49da39368d45537decaed93ba4ff24c7182b1 Mon Sep 17 00:00:00 2001
From: Ryan Leckey <leckey.ryan@gmail.com>
Date: Mon, 20 Aug 2018 16:29:06 -0700
Subject: [PATCH] Add CTFrame and CTFramesetter

---
 core-text/src/frame.rs       | 38 ++++++++++++++++++++++++
 core-text/src/framesetter.rs | 57 ++++++++++++++++++++++++++++++++++++
 core-text/src/lib.rs         |  2 ++
 3 files changed, 97 insertions(+)
 create mode 100644 core-text/src/frame.rs
 create mode 100644 core-text/src/framesetter.rs

diff --git a/core-text/src/frame.rs b/core-text/src/frame.rs
new file mode 100644
index 0000000..3336f2c
--- /dev/null
+++ b/core-text/src/frame.rs
@@ -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);
+}
\ No newline at end of file
diff --git a/core-text/src/framesetter.rs b/core-text/src/framesetter.rs
new file mode 100644
index 0000000..cde767c
--- /dev/null
+++ b/core-text/src/framesetter.rs
@@ -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;
+}
\ No newline at end of file
diff --git a/core-text/src/lib.rs b/core-text/src/lib.rs
index 401146a..fbd0be1 100644
--- a/core-text/src/lib.rs
+++ b/core-text/src/lib.rs
@@ -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;