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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef WebCompositorMutableState_h | |
6 #define WebCompositorMutableState_h | |
7 | |
8 #include <cstdint> | |
9 | |
10 class SkMatrix44; | |
11 | |
12 namespace blink { | |
13 | |
14 // This class wraps the compositor-owned, mutable state for a single element. | |
15 class WebCompositorMutableState { | |
16 public: | |
17 virtual ~WebCompositorMutableState() { } | |
18 | |
19 virtual double opacity() const = 0; | |
20 virtual void setOpacity(double) = 0; | |
21 | |
22 virtual const SkMatrix44& transform() const = 0; | |
23 virtual void setTransform(const SkMatrix44&) = 0; | |
24 | |
25 virtual double scrollLeft() const = 0; | |
26 virtual void setScrollLeft(double) = 0; | |
27 | |
28 virtual double scrollTop() const = 0; | |
29 virtual void setScrollTop(double) = 0; | |
30 }; | |
31 | |
32 } // namespace blink | |
33 | |
34 #endif // WebCompositorMutableState_h | |
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