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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 "webkit/plugins/ppapi/ppb_image_data_impl.h" | 5 #include "webkit/plugins/ppapi/ppb_image_data_impl.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 #include <limits> | 8 #include <limits> |
| 9 | 9 |
| 10 #include "base/logging.h" | 10 #include "base/logging.h" |
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| 99 return PP_TRUE; | 99 return PP_TRUE; |
| 100 } | 100 } |
| 101 | 101 |
| 102 void* PPB_ImageData_Impl::Map() { | 102 void* PPB_ImageData_Impl::Map() { |
| 103 if (!mapped_canvas_.get()) { | 103 if (!mapped_canvas_.get()) { |
| 104 mapped_canvas_.reset(platform_image_->Map()); | 104 mapped_canvas_.reset(platform_image_->Map()); |
| 105 if (!mapped_canvas_.get()) | 105 if (!mapped_canvas_.get()) |
| 106 return NULL; | 106 return NULL; |
| 107 } | 107 } |
| 108 const SkBitmap& bitmap = | 108 const SkBitmap& bitmap = |
| 109 mapped_canvas_->getTopPlatformDevice().accessBitmap(true); | 109 mapped_canvas_->getTopDevice().accessBitmap(true); |
| 110 | 110 |
| 111 // Our platform bitmaps are set to opaque by default, which we don't want. | 111 // Our platform bitmaps are set to opaque by default, which we don't want. |
| 112 const_cast<SkBitmap&>(bitmap).setIsOpaque(false); | 112 const_cast<SkBitmap&>(bitmap).setIsOpaque(false); |
| 113 | 113 |
| 114 bitmap.lockPixels(); | 114 bitmap.lockPixels(); |
| 115 return bitmap.getAddr32(0, 0); | 115 return bitmap.getAddr32(0, 0); |
| 116 } | 116 } |
| 117 | 117 |
| 118 void PPB_ImageData_Impl::Unmap() { | 118 void PPB_ImageData_Impl::Unmap() { |
| 119 // This is currently unimplemented, which is OK. The data will just always | 119 // This is currently unimplemented, which is OK. The data will just always |
| 120 // be around once it's mapped. Chrome's TransportDIB isn't currently | 120 // be around once it's mapped. Chrome's TransportDIB isn't currently |
| 121 // unmappable without freeing it, but this may be something we want to support | 121 // unmappable without freeing it, but this may be something we want to support |
| 122 // in the future to save some memory. | 122 // in the future to save some memory. |
| 123 } | 123 } |
| 124 | 124 |
| 125 int PPB_ImageData_Impl::GetSharedMemoryHandle(uint32* byte_count) const { | 125 int PPB_ImageData_Impl::GetSharedMemoryHandle(uint32* byte_count) const { |
| 126 return platform_image_->GetSharedMemoryHandle(byte_count); | 126 return platform_image_->GetSharedMemoryHandle(byte_count); |
| 127 } | 127 } |
| 128 | 128 |
| 129 const SkBitmap* PPB_ImageData_Impl::GetMappedBitmap() const { | 129 const SkBitmap* PPB_ImageData_Impl::GetMappedBitmap() const { |
| 130 if (!mapped_canvas_.get()) | 130 if (!mapped_canvas_.get()) |
| 131 return NULL; | 131 return NULL; |
| 132 return &mapped_canvas_->getTopPlatformDevice().accessBitmap(false); | 132 return &mapped_canvas_->getTopDevice().accessBitmap(false); |
| 133 } | 133 } |
| 134 | 134 |
| 135 void PPB_ImageData_Impl::Swap(PPB_ImageData_Impl* other) { | 135 void PPB_ImageData_Impl::Swap(PPB_ImageData_Impl* other) { |
| 136 swap(other->platform_image_, platform_image_); | 136 swap(other->platform_image_, platform_image_); |
| 137 swap(other->mapped_canvas_, mapped_canvas_); | 137 swap(other->mapped_canvas_, mapped_canvas_); |
| 138 std::swap(other->format_, format_); | 138 std::swap(other->format_, format_); |
| 139 std::swap(other->width_, width_); | 139 std::swap(other->width_, width_); |
| 140 std::swap(other->height_, height_); | 140 std::swap(other->height_, height_); |
| 141 } | 141 } |
| 142 | 142 |
| 143 } // namespace ppapi | 143 } // namespace ppapi |
| 144 } // namespace webkit | 144 } // namespace webkit |
| 145 | 145 |
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