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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 EffectPaintPropertyNode_h | 5 #ifndef EffectPaintPropertyNode_h |
6 #define EffectPaintPropertyNode_h | 6 #define EffectPaintPropertyNode_h |
7 | 7 |
8 #include "platform/PlatformExport.h" | 8 #include "platform/PlatformExport.h" |
9 #include "wtf/PassRefPtr.h" | 9 #include "wtf/PassRefPtr.h" |
10 #include "wtf/RefCounted.h" | 10 #include "wtf/RefCounted.h" |
11 #include "wtf/RefPtr.h" | 11 #include "wtf/RefPtr.h" |
12 | 12 |
13 #include <iosfwd> | 13 #include <iosfwd> |
14 | 14 |
15 namespace blink { | 15 namespace blink { |
16 | 16 |
17 // A paint effect created by the opacity css property along with a reference to | 17 // A paint effect created by the opacity css property along with a reference to |
18 // the parent effect node, or nullptr for the root. | 18 // the parent effect node, or nullptr for the root. |
19 // TODO(pdr): Support more effects than just opacity. | 19 // TODO(pdr): Support more effects than just opacity. |
20 class PLATFORM_EXPORT EffectPaintPropertyNode : public RefCounted<EffectPaintPro
pertyNode> { | 20 class PLATFORM_EXPORT EffectPaintPropertyNode : public RefCounted<EffectPaintPro
pertyNode> { |
21 public: | 21 public: |
22 static PassRefPtr<EffectPaintPropertyNode> create(float opacity, PassRefPtr<
EffectPaintPropertyNode> parent = nullptr) | 22 static PassRefPtr<EffectPaintPropertyNode> create(PassRefPtr<EffectPaintProp
ertyNode> parent, float opacity) |
23 { | 23 { |
24 return adoptRef(new EffectPaintPropertyNode(opacity, parent)); | 24 return adoptRef(new EffectPaintPropertyNode(parent, opacity)); |
| 25 } |
| 26 |
| 27 void update(PassRefPtr<EffectPaintPropertyNode> parent, float opacity) |
| 28 { |
| 29 m_parent = parent; |
| 30 m_opacity = opacity; |
25 } | 31 } |
26 | 32 |
27 float opacity() const { return m_opacity; } | 33 float opacity() const { return m_opacity; } |
28 | 34 |
29 // Parent effect or nullptr if this is the root effect. | 35 // Parent effect or nullptr if this is the root effect. |
30 const EffectPaintPropertyNode* parent() const { return m_parent.get(); } | 36 const EffectPaintPropertyNode* parent() const { return m_parent.get(); } |
31 | 37 |
32 private: | 38 private: |
33 EffectPaintPropertyNode(float opacity, PassRefPtr<EffectPaintPropertyNode> p
arent) | 39 EffectPaintPropertyNode(PassRefPtr<EffectPaintPropertyNode> parent, float op
acity) |
34 : m_opacity(opacity), m_parent(parent) { } | 40 : m_parent(parent), m_opacity(opacity) { } |
35 | 41 |
36 const float m_opacity; | |
37 RefPtr<EffectPaintPropertyNode> m_parent; | 42 RefPtr<EffectPaintPropertyNode> m_parent; |
| 43 float m_opacity; |
38 }; | 44 }; |
39 | 45 |
40 // Redeclared here to avoid ODR issues. | 46 // Redeclared here to avoid ODR issues. |
41 // See platform/testing/PaintPrinters.h. | 47 // See platform/testing/PaintPrinters.h. |
42 void PrintTo(const EffectPaintPropertyNode&, std::ostream*); | 48 void PrintTo(const EffectPaintPropertyNode&, std::ostream*); |
43 | 49 |
44 } // namespace blink | 50 } // namespace blink |
45 | 51 |
46 #endif // EffectPaintPropertyNode_h | 52 #endif // EffectPaintPropertyNode_h |
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