Lars Bergstrom
92 lines
3.0 KiB
Rust
92 lines
3.0 KiB
Rust
// Copyright 2013 The Servo Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use core_foundation::base::{CFRelease, CFTypeID, TCFType};
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use libc::{c_void, size_t};
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use std::cast;
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use std::ptr;
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pub type CGDataProviderGetBytesCallback = *u8;
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pub type CGDataProviderReleaseInfoCallback = *u8;
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pub type CGDataProviderRewindCallback = *u8;
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pub type CGDataProviderSkipBytesCallback = *u8;
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pub type CGDataProviderSkipForwardCallback = *u8;
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pub type CGDataProviderGetBytePointerCallback = *u8;
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pub type CGDataProviderGetBytesAtOffsetCallback = *u8;
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pub type CGDataProviderReleaseBytePointerCallback = *u8;
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pub type CGDataProviderReleaseDataCallback = *u8;
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pub type CGDataProviderGetBytesAtPositionCallback = *u8;
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struct __CGDataProvider;
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pub type CGDataProviderRef = *__CGDataProvider;
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pub struct CGDataProvider {
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obj: CGDataProviderRef,
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}
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impl Drop for CGDataProvider {
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fn drop(&mut self) {
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unsafe {
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CFRelease(self.as_CFTypeRef())
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}
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}
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}
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impl TCFType<CGDataProviderRef> for CGDataProvider {
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fn as_concrete_TypeRef(&self) -> CGDataProviderRef {
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self.obj
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}
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unsafe fn wrap_under_create_rule(obj: CGDataProviderRef) -> CGDataProvider {
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CGDataProvider {
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obj: obj,
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}
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}
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#[inline]
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fn type_id(_: Option<CGDataProvider>) -> CFTypeID {
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unsafe {
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CGDataProviderGetTypeID()
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}
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}
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}
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impl CGDataProvider {
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pub fn from_buffer(buffer: &[u8]) -> CGDataProvider {
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unsafe {
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let result = CGDataProviderCreateWithData(ptr::null(),
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cast::transmute(buffer.as_ptr()),
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buffer.len() as u64,
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ptr::null());
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TCFType::wrap_under_create_rule(result)
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}
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}
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}
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#[link(name = "ApplicationServices", kind = "framework")]
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extern {
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//fn CGDataProviderCopyData
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//fn CGDataProviderCreateDirect
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//fn CGDataProviderCreateSequential
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//fn CGDataProviderCreateWithCFData
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fn CGDataProviderCreateWithData(info: *c_void,
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data: *c_void,
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size: size_t,
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releaseData: CGDataProviderReleaseDataCallback
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) -> CGDataProviderRef;
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//fn CGDataProviderCreateWithFilename(filename: *c_char) -> CGDataProviderRef;
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//fn CGDataProviderCreateWithURL
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fn CGDataProviderGetTypeID() -> CFTypeID;
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//fn CGDataProviderRelease(provider: CGDataProviderRef);
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//fn CGDataProviderRetain(provider: CGDataProviderRef) -> CGDataProviderRef;
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}
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