1 /*
2  *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #ifndef MODULES_DESKTOP_CAPTURE_CROPPED_DESKTOP_FRAME_H_
12 #define MODULES_DESKTOP_CAPTURE_CROPPED_DESKTOP_FRAME_H_
13 
14 #include <memory>
15 
16 #include "modules/desktop_capture/desktop_frame.h"
17 #include "modules/desktop_capture/desktop_geometry.h"
18 #include "rtc_base/system/rtc_export.h"
19 
20 namespace webrtc {
21 
22 // Creates a DesktopFrame to contain only the area of |rect| in the original
23 // |frame|.
24 // |frame| should not be nullptr. |rect| is in |frame| coordinate, i.e.
25 // |frame|->top_left() does not impact the area of |rect|.
26 // Returns nullptr frame if |rect| is not contained by the bounds of |frame|.
27 std::unique_ptr<DesktopFrame> RTC_EXPORT
28 CreateCroppedDesktopFrame(std::unique_ptr<DesktopFrame> frame,
29                           const DesktopRect& rect);
30 
31 }  // namespace webrtc
32 
33 #endif  // MODULES_DESKTOP_CAPTURE_CROPPED_DESKTOP_FRAME_H_
34