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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 #ifndef UI_GFX_SURFACE_TRANSPORT_DIB_H_ | 5 #ifndef UI_GFX_SURFACE_TRANSPORT_DIB_H_ |
6 #define UI_GFX_SURFACE_TRANSPORT_DIB_H_ | 6 #define UI_GFX_SURFACE_TRANSPORT_DIB_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
| 10 #include "ui/gfx/surface/surface_export.h" |
10 | 11 |
11 #if defined(OS_WIN) || defined(OS_MACOSX) | 12 #if defined(OS_WIN) || defined(OS_MACOSX) |
12 #include "base/shared_memory.h" | 13 #include "base/shared_memory.h" |
13 #endif | 14 #endif |
14 | 15 |
15 #if defined(OS_WIN) | 16 #if defined(OS_WIN) |
16 #include <windows.h> | 17 #include <windows.h> |
17 #elif defined(USE_X11) | 18 #elif defined(USE_X11) |
18 #include "ui/base/x/x11_util.h" | 19 #include "ui/base/x/x11_util.h" |
19 #endif | 20 #endif |
20 | 21 |
21 namespace skia { | 22 namespace skia { |
22 class PlatformCanvas; | 23 class PlatformCanvas; |
23 } | 24 } |
24 | 25 |
25 // ----------------------------------------------------------------------------- | 26 // ----------------------------------------------------------------------------- |
26 // A TransportDIB is a block of memory that is used to transport pixels | 27 // A TransportDIB is a block of memory that is used to transport pixels |
27 // between processes: from the renderer process to the browser, and | 28 // between processes: from the renderer process to the browser, and |
28 // between renderer and plugin processes. | 29 // between renderer and plugin processes. |
29 // ----------------------------------------------------------------------------- | 30 // ----------------------------------------------------------------------------- |
30 class TransportDIB { | 31 class SURFACE_EXPORT TransportDIB { |
31 public: | 32 public: |
32 ~TransportDIB(); | 33 ~TransportDIB(); |
33 | 34 |
34 // Two typedefs are defined. A Handle is the type which can be sent over | 35 // Two typedefs are defined. A Handle is the type which can be sent over |
35 // the wire so that the remote side can map the transport DIB. The Id typedef | 36 // the wire so that the remote side can map the transport DIB. The Id typedef |
36 // is sufficient to identify the transport DIB when you know that the remote | 37 // is sufficient to identify the transport DIB when you know that the remote |
37 // side already may have it mapped. | 38 // side already may have it mapped. |
38 #if defined(OS_WIN) | 39 #if defined(OS_WIN) |
39 typedef HANDLE Handle; | 40 typedef HANDLE Handle; |
40 // On Windows, the Id type includes a sequence number (epoch) to solve an ABA | 41 // On Windows, the Id type includes a sequence number (epoch) to solve an ABA |
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193 void* address_; // mapped address | 194 void* address_; // mapped address |
194 XSharedMemoryId x_shm_; // X id for the shared segment | 195 XSharedMemoryId x_shm_; // X id for the shared segment |
195 Display* display_; // connection to the X server | 196 Display* display_; // connection to the X server |
196 #endif | 197 #endif |
197 size_t size_; // length, in bytes | 198 size_t size_; // length, in bytes |
198 | 199 |
199 DISALLOW_COPY_AND_ASSIGN(TransportDIB); | 200 DISALLOW_COPY_AND_ASSIGN(TransportDIB); |
200 }; | 201 }; |
201 | 202 |
202 #endif // UI_GFX_SURFACE_TRANSPORT_DIB_H_ | 203 #endif // UI_GFX_SURFACE_TRANSPORT_DIB_H_ |
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