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implementation can accurately capture updated regions. Especially in ScreenCapturerWinDirectx, which has a specific updated region spreading logic and cannot be tested through regular code path. So we need a controllable ScreenDrawer to draw some basic shapes on the screen. And a platform independent test case can use the ScreenDrawer to test a ScreenCapturer. So this change addes a ScreenDrawer virtual class, and its Windows implementation ScreenDrawerWin. A disabled gtest ScreenDrawerTest.DrawRectangles is also added to manually test whether ScreenDrawer can work on a certain platform. BUG=314516 TBR=kjellander@webrtc.org Review-Url: https://codereview.webrtc.org/2210443002 Cr-Commit-Position: refs/heads/master@{#13788}
Name: WebRTC URL: http://www.webrtc.org Version: 90 License: BSD License File: LICENSE Description: WebRTC provides real time voice and video processing functionality to enable the implementation of PeerConnection/MediaStream. Third party code used in this project is described in the file LICENSE_THIRD_PARTY.