00b8f6b364
BUG= R=andrew@webrtc.org Review URL: https://webrtc-codereview.appspot.com/36229004 Cr-Commit-Position: refs/heads/master@{#8517} git-svn-id: http://webrtc.googlecode.com/svn/trunk@8517 4adac7df-926f-26a2-2b94-8c16560cd09d
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/*
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* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/modules/desktop_capture/cropped_desktop_frame.h"
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namespace webrtc {
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// A DesktopFrame that is a sub-rect of another DesktopFrame.
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class CroppedDesktopFrame : public DesktopFrame {
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public:
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CroppedDesktopFrame(DesktopFrame* frame, const DesktopRect& rect);
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private:
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rtc::scoped_ptr<DesktopFrame> frame_;
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DISALLOW_COPY_AND_ASSIGN(CroppedDesktopFrame);
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};
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DesktopFrame*
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CreateCroppedDesktopFrame(DesktopFrame* frame, const DesktopRect& rect) {
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if (!DesktopRect::MakeSize(frame->size()).ContainsRect(rect)) {
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delete frame;
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return NULL;
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}
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return new CroppedDesktopFrame(frame, rect);
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}
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CroppedDesktopFrame::CroppedDesktopFrame(DesktopFrame* frame,
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const DesktopRect& rect)
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: DesktopFrame(rect.size(),
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frame->stride(),
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frame->GetFrameDataAtPos(rect.top_left()),
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frame->shared_memory()),
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frame_(frame) {
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}
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} // namespace webrtc
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