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/*
* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef MODULES_DESKTOP_CAPTURE_MAC_DESKTOP_FRAME_CGIMAGE_H_
#define MODULES_DESKTOP_CAPTURE_MAC_DESKTOP_FRAME_CGIMAGE_H_
#include <CoreGraphics/CoreGraphics.h>
#include <memory>
#include "modules/desktop_capture/desktop_frame.h"
#include "sdk/objc/helpers/scoped_cftyperef.h"
namespace webrtc {
class DesktopFrameCGImage final : public DesktopFrame {
public:
// Create an image containing a snapshot of the display at the time this is
// being called.
static std::unique_ptr<DesktopFrameCGImage> CreateForDisplay(
CGDirectDisplayID display_id);
// Create an image containing a snaphot of the given window at the time this
// is being called. This also works when the window is overlapped or in
// another workspace.
static std::unique_ptr<DesktopFrameCGImage> CreateForWindow(
CGWindowID window_id);
~DesktopFrameCGImage() override;
DesktopFrameCGImage(const DesktopFrameCGImage&) = delete;
DesktopFrameCGImage& operator=(const DesktopFrameCGImage&) = delete;
private:
static std::unique_ptr<DesktopFrameCGImage> CreateFromCGImage(
rtc::ScopedCFTypeRef<CGImageRef> cg_image);
// This constructor expects `cg_image` to hold a non-null CGImageRef.
DesktopFrameCGImage(DesktopSize size,
int stride,
uint8_t* data,
rtc::ScopedCFTypeRef<CGImageRef> cg_image,
rtc::ScopedCFTypeRef<CFDataRef> cg_data);
const rtc::ScopedCFTypeRef<CGImageRef> cg_image_;
const rtc::ScopedCFTypeRef<CFDataRef> cg_data_;
};
} // namespace webrtc
#endif // MODULES_DESKTOP_CAPTURE_MAC_DESKTOP_FRAME_CGIMAGE_H_
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