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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/snapshot/snapshot.h" | 5 #include "ui/snapshot/snapshot_hwnd_win.h" |
6 | 6 |
7 #include "base/win/scoped_gdi_object.h" | 7 #include "base/win/scoped_gdi_object.h" |
8 #include "base/win/scoped_hdc.h" | 8 #include "base/win/scoped_hdc.h" |
9 #include "base/win/scoped_select_object.h" | 9 #include "base/win/scoped_select_object.h" |
10 #include "ui/gfx/codec/png_codec.h" | 10 #include "ui/gfx/codec/png_codec.h" |
11 #include "ui/gfx/gdi_util.h" | 11 #include "ui/gfx/gdi_util.h" |
12 #include "ui/gfx/rect.h" | 12 #include "ui/gfx/rect.h" |
13 #include "ui/gfx/size.h" | 13 #include "ui/gfx/size.h" |
14 | 14 |
15 namespace { | 15 namespace { |
16 | 16 |
17 gfx::Rect GetWindowBounds(gfx::NativeWindow window_handle) { | 17 gfx::Rect GetWindowBounds(HWND window_handle) { |
18 RECT content_rect = {0, 0, 0, 0}; | 18 RECT content_rect = {0, 0, 0, 0}; |
19 if (window_handle) { | 19 if (window_handle) { |
20 ::GetWindowRect(window_handle, &content_rect); | 20 ::GetWindowRect(window_handle, &content_rect); |
21 } else { | 21 } else { |
22 MONITORINFO monitor_info = {}; | 22 MONITORINFO monitor_info = {}; |
23 monitor_info.cbSize = sizeof(monitor_info); | 23 monitor_info.cbSize = sizeof(monitor_info); |
24 if (GetMonitorInfo(MonitorFromWindow(NULL, MONITOR_DEFAULTTOPRIMARY), | 24 if (GetMonitorInfo(MonitorFromWindow(NULL, MONITOR_DEFAULTTOPRIMARY), |
25 &monitor_info)) { | 25 &monitor_info)) { |
26 content_rect = monitor_info.rcMonitor; | 26 content_rect = monitor_info.rcMonitor; |
27 } | 27 } |
28 } | 28 } |
29 content_rect.right++; // Match what PrintWindow wants. | 29 content_rect.right++; // Match what PrintWindow wants. |
30 | 30 |
31 return gfx::Rect(content_rect.right - content_rect.left, | 31 return gfx::Rect(content_rect.right - content_rect.left, |
32 content_rect.bottom - content_rect.top); | 32 content_rect.bottom - content_rect.top); |
33 } | 33 } |
34 | 34 |
35 } // namespace | 35 } // namespace |
36 | 36 |
37 namespace ui { | 37 namespace ui { |
| 38 namespace internal { |
38 | 39 |
39 bool GrabViewSnapshot(gfx::NativeView view_handle, | 40 bool GrabHwndSnapshot(HWND window_handle, |
40 std::vector<unsigned char>* png_representation, | 41 std::vector<unsigned char>* png_representation, |
41 const gfx::Rect& snapshot_bounds) { | 42 const gfx::Rect& snapshot_bounds) { |
42 return GrabWindowSnapshot(view_handle, png_representation, snapshot_bounds); | |
43 } | |
44 | |
45 bool GrabWindowSnapshot(gfx::NativeWindow window_handle, | |
46 std::vector<unsigned char>* png_representation, | |
47 const gfx::Rect& snapshot_bounds) { | |
48 DCHECK(snapshot_bounds.right() <= GetWindowBounds(window_handle).right()); | 43 DCHECK(snapshot_bounds.right() <= GetWindowBounds(window_handle).right()); |
49 DCHECK(snapshot_bounds.bottom() <= GetWindowBounds(window_handle).bottom()); | 44 DCHECK(snapshot_bounds.bottom() <= GetWindowBounds(window_handle).bottom()); |
50 | 45 |
51 // Create a memory DC that's compatible with the window. | 46 // Create a memory DC that's compatible with the window. |
52 HDC window_hdc = GetWindowDC(window_handle); | 47 HDC window_hdc = GetWindowDC(window_handle); |
53 base::win::ScopedCreateDC mem_hdc(CreateCompatibleDC(window_hdc)); | 48 base::win::ScopedCreateDC mem_hdc(CreateCompatibleDC(window_hdc)); |
54 | 49 |
55 BITMAPINFOHEADER hdr; | 50 BITMAPINFOHEADER hdr; |
56 gfx::CreateBitmapHeader(snapshot_bounds.width(), | 51 gfx::CreateBitmapHeader(snapshot_bounds.width(), |
57 snapshot_bounds.height(), | 52 snapshot_bounds.height(), |
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96 snapshot_bounds.size(), | 91 snapshot_bounds.size(), |
97 snapshot_bounds.width() * 4, true, | 92 snapshot_bounds.width() * 4, true, |
98 std::vector<gfx::PNGCodec::Comment>(), | 93 std::vector<gfx::PNGCodec::Comment>(), |
99 png_representation); | 94 png_representation); |
100 | 95 |
101 ReleaseDC(window_handle, window_hdc); | 96 ReleaseDC(window_handle, window_hdc); |
102 | 97 |
103 return true; | 98 return true; |
104 } | 99 } |
105 | 100 |
| 101 } // namespace internal |
106 } // namespace ui | 102 } // namespace ui |
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