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// 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
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![allow(non_upper_case_globals)]
use base::CGFloat;
use color::CGColor;
use color_space::CGColorSpace;
use core_foundation::array::{ CFArray, CFArrayRef };
use core_foundation::base::{CFRelease, CFRetain, TCFType};
use foreign_types::ForeignType;
use libc::size_t;
bitflags! {
#[repr(C)]
pub struct CGGradientDrawingOptions: u32 {
const CGGradientDrawsBeforeStartLocation = (1 << 0);
const CGGradientDrawsAfterEndLocation = (1 << 1);
}
}
foreign_type! {
#[doc(hidden)]
pub unsafe type CGGradient {
type CType = ::sys::CGGradient;
fn drop = |p| CFRelease(p as *mut _);
fn clone = |p| CFRetain(p as *const _) as *mut _;
}
}
impl CGGradient {
pub fn create_with_color_components(color_space: &CGColorSpace, components: &[CGFloat], locations: &[CGFloat], count: usize) -> CGGradient {
unsafe {
let result = CGGradientCreateWithColorComponents(color_space.as_ptr(), components.as_ptr(), locations.as_ptr(), count);
assert!(!result.is_null());
Self::from_ptr(result)
}
}
pub fn create_with_colors(color_space: &CGColorSpace, colors: &CFArray<CGColor>, locations: &[CGFloat]) -> CGGradient {
unsafe {
let result = CGGradientCreateWithColors(color_space.as_ptr(), colors.as_concrete_TypeRef(), locations.as_ptr());
assert!(!result.is_null());
Self::from_ptr(result)
}
}
}
#[link(name = "CoreGraphics", kind = "framework")]
extern {
fn CGGradientCreateWithColorComponents(color_space: ::sys::CGColorSpaceRef, components: *const CGFloat, locations: *const CGFloat, count: size_t) -> ::sys::CGGradientRef;
fn CGGradientCreateWithColors(color_space: ::sys::CGColorSpaceRef, colors: CFArrayRef, locations: *const CGFloat) -> ::sys::CGGradientRef;
}