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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #include "webrtc/modules/desktop_capture/win/screen_capturer_win_gdi.h" | 11 #include "webrtc/modules/desktop_capture/win/screen_capturer_win_gdi.h" |
12 | 12 |
13 #include <utility> | 13 #include <utility> |
14 | 14 |
15 #include "webrtc/base/checks.h" | 15 #include "webrtc/base/checks.h" |
16 #include "webrtc/base/logging.h" | 16 #include "webrtc/base/logging.h" |
17 #include "webrtc/base/timeutils.h" | 17 #include "webrtc/base/timeutils.h" |
18 #include "webrtc/modules/desktop_capture/desktop_capture_options.h" | 18 #include "webrtc/modules/desktop_capture/desktop_capture_options.h" |
19 #include "webrtc/modules/desktop_capture/desktop_frame.h" | 19 #include "webrtc/modules/desktop_capture/desktop_frame.h" |
20 #include "webrtc/modules/desktop_capture/desktop_frame_win.h" | 20 #include "webrtc/modules/desktop_capture/desktop_frame_win.h" |
21 #include "webrtc/modules/desktop_capture/desktop_region.h" | 21 #include "webrtc/modules/desktop_capture/desktop_region.h" |
22 #include "webrtc/modules/desktop_capture/mouse_cursor.h" | 22 #include "webrtc/modules/desktop_capture/mouse_cursor.h" |
23 #include "webrtc/modules/desktop_capture/win/cursor.h" | 23 #include "webrtc/modules/desktop_capture/win/cursor.h" |
24 #include "webrtc/modules/desktop_capture/win/desktop.h" | 24 #include "webrtc/modules/desktop_capture/win/desktop.h" |
25 #include "webrtc/modules/desktop_capture/win/screen_capture_utils.h" | 25 #include "webrtc/modules/desktop_capture/win/screen_capture_utils.h" |
26 #include "webrtc/system_wrappers/include/logging.h" | |
27 | 26 |
28 namespace webrtc { | 27 namespace webrtc { |
29 | 28 |
30 namespace { | 29 namespace { |
31 | 30 |
32 // Constants from dwmapi.h. | 31 // Constants from dwmapi.h. |
33 const UINT DWM_EC_DISABLECOMPOSITION = 0; | 32 const UINT DWM_EC_DISABLECOMPOSITION = 0; |
34 const UINT DWM_EC_ENABLECOMPOSITION = 1; | 33 const UINT DWM_EC_ENABLECOMPOSITION = 1; |
35 | 34 |
36 const wchar_t kDwmapiLibraryName[] = L"dwmapi.dll"; | 35 const wchar_t kDwmapiLibraryName[] = L"dwmapi.dll"; |
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212 queue_.current_frame()->GetUnderlyingFrame()); | 211 queue_.current_frame()->GetUnderlyingFrame()); |
213 HGDIOBJ previous_object = SelectObject(memory_dc_, current->bitmap()); | 212 HGDIOBJ previous_object = SelectObject(memory_dc_, current->bitmap()); |
214 if (!previous_object || previous_object == HGDI_ERROR) { | 213 if (!previous_object || previous_object == HGDI_ERROR) { |
215 return false; | 214 return false; |
216 } | 215 } |
217 | 216 |
218 bool result = (BitBlt(memory_dc_, 0, 0, screen_rect.width(), | 217 bool result = (BitBlt(memory_dc_, 0, 0, screen_rect.width(), |
219 screen_rect.height(), desktop_dc_, screen_rect.left(), screen_rect.top(), | 218 screen_rect.height(), desktop_dc_, screen_rect.left(), screen_rect.top(), |
220 SRCCOPY | CAPTUREBLT) != FALSE); | 219 SRCCOPY | CAPTUREBLT) != FALSE); |
221 if (!result) { | 220 if (!result) { |
222 LOG_GLE(LS_WARNING) << "BitBlt failed"; | |
223 } | 221 } |
224 | 222 |
225 // Select back the previously selected object to that the device contect | 223 // Select back the previously selected object to that the device contect |
226 // could be destroyed independently of the bitmap if needed. | 224 // could be destroyed independently of the bitmap if needed. |
227 SelectObject(memory_dc_, previous_object); | 225 SelectObject(memory_dc_, previous_object); |
228 | 226 |
229 return result; | 227 return result; |
230 } | 228 } |
231 | 229 |
232 } // namespace webrtc | 230 } // namespace webrtc |
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