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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 DisplayItemTransformTree_h | 5 #ifndef DisplayItemTransformTree_h |
6 #define DisplayItemTransformTree_h | 6 #define DisplayItemTransformTree_h |
7 | 7 |
8 #include "platform/PlatformExport.h" | 8 #include "platform/PlatformExport.h" |
| 9 #include "platform/geometry/FloatPoint3D.h" |
9 #include "platform/transforms/TransformationMatrix.h" | 10 #include "platform/transforms/TransformationMatrix.h" |
10 #include "public/platform/WebDisplayItemTransformTree.h" | 11 #include "public/platform/WebDisplayItemTransformTree.h" |
11 #include "wtf/Vector.h" | 12 #include "wtf/Vector.h" |
12 | 13 |
13 namespace blink { | 14 namespace blink { |
14 | 15 |
15 // Represents the hierarchy of transforms which apply to ranges of a display | 16 // Represents the hierarchy of transforms which apply to ranges of a display |
16 // item list and may be of interest to the compositor. | 17 // item list and may be of interest to the compositor. |
17 // | 18 // |
18 // This class is also the private implementation of WebDisplayItemTransformTree. | 19 // This class is also the private implementation of WebDisplayItemTransformTree. |
19 // For more detail, see WebDisplayItemTransformTree.h. | 20 // For more detail, see WebDisplayItemTransformTree.h. |
20 class PLATFORM_EXPORT DisplayItemTransformTree { | 21 class PLATFORM_EXPORT DisplayItemTransformTree { |
21 public: | 22 public: |
22 using TransformNode = WebDisplayItemTransformTree::TransformNode; | 23 using TransformNode = WebDisplayItemTransformTree::TransformNode; |
23 enum : size_t { kInvalidIndex = WebDisplayItemTransformTree::kInvalidIndex }
; | 24 enum : size_t { kInvalidIndex = WebDisplayItemTransformTree::kInvalidIndex }
; |
24 | 25 |
25 DisplayItemTransformTree(); | 26 DisplayItemTransformTree(); |
26 ~DisplayItemTransformTree(); | 27 ~DisplayItemTransformTree(); |
27 | 28 |
28 size_t nodeCount() const { return m_nodes.size(); } | 29 size_t nodeCount() const { return m_nodes.size(); } |
29 TransformNode& nodeAt(size_t index) { return m_nodes[index]; } | 30 TransformNode& nodeAt(size_t index) { return m_nodes[index]; } |
30 const TransformNode& nodeAt(size_t index) const { return m_nodes[index]; } | 31 const TransformNode& nodeAt(size_t index) const { return m_nodes[index]; } |
31 | 32 |
32 // Returns the new node index. | 33 // Returns the new node index. |
33 size_t createNewNode(size_t parentNodeIndex, const TransformationMatrix& mat
rix) | 34 size_t createNewNode(size_t parentNodeIndex, const TransformationMatrix& mat
rix, const FloatPoint3D& transformOrigin) |
34 { | 35 { |
35 ASSERT(parentNodeIndex != kInvalidIndex); | 36 ASSERT(parentNodeIndex != kInvalidIndex); |
36 m_nodes.append(TransformNode( | 37 m_nodes.append(TransformNode( |
37 parentNodeIndex, | 38 parentNodeIndex, |
38 TransformationMatrix::toSkMatrix44(matrix))); | 39 TransformationMatrix::toSkMatrix44(matrix), |
| 40 transformOrigin)); |
39 return m_nodes.size() - 1; | 41 return m_nodes.size() - 1; |
40 } | 42 } |
41 | 43 |
42 private: | 44 private: |
43 Vector<TransformNode> m_nodes; | 45 Vector<TransformNode> m_nodes; |
44 }; | 46 }; |
45 | 47 |
46 } // namespace blink | 48 } // namespace blink |
47 | 49 |
48 #endif // DisplayItemTransformTree_h | 50 #endif // DisplayItemTransformTree_h |
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