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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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/surface/transport_dib.h" | 5 #include "ui/surface/transport_dib.h" |
| 6 | 6 |
| 7 #include <windows.h> | 7 #include <windows.h> |
| 8 #include <stddef.h> |
| 9 #include <stdint.h> |
| 8 | 10 |
| 9 #include <limits> | 11 #include <limits> |
| 10 | 12 |
| 11 #include "base/logging.h" | 13 #include "base/logging.h" |
| 12 #include "base/memory/scoped_ptr.h" | 14 #include "base/memory/scoped_ptr.h" |
| 13 #include "base/sys_info.h" | 15 #include "base/sys_info.h" |
| 14 #include "skia/ext/platform_canvas.h" | 16 #include "skia/ext/platform_canvas.h" |
| 15 | 17 |
| 16 TransportDIB::TransportDIB() | 18 TransportDIB::TransportDIB() |
| 17 : size_(0) { | 19 : size_(0) { |
| 18 } | 20 } |
| 19 | 21 |
| 20 TransportDIB::~TransportDIB() { | 22 TransportDIB::~TransportDIB() { |
| 21 } | 23 } |
| 22 | 24 |
| 23 TransportDIB::TransportDIB(base::SharedMemoryHandle handle) | 25 TransportDIB::TransportDIB(base::SharedMemoryHandle handle) |
| 24 : shared_memory_(handle, false /* read write */), size_(0) {} | 26 : shared_memory_(handle, false /* read write */), size_(0) {} |
| 25 | 27 |
| 26 // static | 28 // static |
| 27 TransportDIB* TransportDIB::Create(size_t size, uint32 sequence_num) { | 29 TransportDIB* TransportDIB::Create(size_t size, uint32_t sequence_num) { |
| 28 TransportDIB* dib = new TransportDIB; | 30 TransportDIB* dib = new TransportDIB; |
| 29 | 31 |
| 30 if (!dib->shared_memory_.CreateAnonymous(size)) { | 32 if (!dib->shared_memory_.CreateAnonymous(size)) { |
| 31 delete dib; | 33 delete dib; |
| 32 return NULL; | 34 return NULL; |
| 33 } | 35 } |
| 34 | 36 |
| 35 dib->size_ = size; | 37 dib->size_ = size; |
| 36 dib->sequence_num_ = sequence_num; | 38 dib->sequence_num_ = sequence_num; |
| 37 | 39 |
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| 89 return false; | 91 return false; |
| 90 } | 92 } |
| 91 | 93 |
| 92 size_ = shared_memory_.mapped_size(); | 94 size_ = shared_memory_.mapped_size(); |
| 93 return true; | 95 return true; |
| 94 } | 96 } |
| 95 | 97 |
| 96 void* TransportDIB::memory() const { | 98 void* TransportDIB::memory() const { |
| 97 return shared_memory_.memory(); | 99 return shared_memory_.memory(); |
| 98 } | 100 } |
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