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1 /* | 1 /* |
2 * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. | 2 * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above | 8 * 1. Redistributions of source code must retain the above |
9 * copyright notice, this list of conditions and the following | 9 * copyright notice, this list of conditions and the following |
10 * disclaimer. | 10 * disclaimer. |
11 * 2. Redistributions in binary form must reproduce the above | 11 * 2. Redistributions in binary form must reproduce the above |
12 * copyright notice, this list of conditions and the following | 12 * copyright notice, this list of conditions and the following |
13 * disclaimer in the documentation and/or other materials | 13 * disclaimer in the documentation and/or other materials |
14 * provided with the distribution. | 14 * provided with the distribution. |
15 * | 15 * |
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY | 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY |
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE | 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE |
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, | 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, |
21 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 21 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
25 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF | 25 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF |
26 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 26 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
27 * SUCH DAMAGE. | 27 * SUCH DAMAGE. |
28 */ | 28 */ |
29 | 29 |
30 #ifndef PaintLayerFilterInfo_h | 30 #ifndef PaintLayerResourceInfo_h |
31 #define PaintLayerFilterInfo_h | 31 #define PaintLayerResourceInfo_h |
32 | 32 |
33 #include "core/svg/SVGResourceClient.h" | 33 #include "core/svg/SVGResourceClient.h" |
34 #include "platform/heap/Handle.h" | 34 #include "platform/heap/Handle.h" |
35 #include "wtf/Noncopyable.h" | 35 #include "wtf/Noncopyable.h" |
36 | 36 |
37 namespace blink { | 37 namespace blink { |
38 | 38 |
39 class FilterEffect; | 39 class FilterEffect; |
40 class PaintLayer; | 40 class PaintLayer; |
41 | 41 |
42 // PaintLayerFilterInfo holds the filter information for painting. | 42 // PaintLayerResourceInfo holds the filter information for painting |
43 // https://drafts.fxtf.org/filters/ | 43 // https://drafts.fxtf.org/filters/. It also acts as the resource client for |
| 44 // change notifications from <clipPath> elements for the clip-path property. |
44 // | 45 // |
45 // Because PaintLayer is not allocated for SVG objects, SVG filters (both | 46 // Because PaintLayer is not allocated for SVG objects, SVG filters (both |
46 // software and hardware-accelerated) use a different code path to paint the | 47 // software and hardware-accelerated) use a different code path to paint the |
47 // filters (SVGFilterPainter), but both code paths use the same abstraction for | 48 // filters (SVGFilterPainter), but both code paths use the same abstraction for |
48 // painting non-hardware accelerated filters (FilterEffect). Hardware | 49 // painting non-hardware accelerated filters (FilterEffect). Hardware |
49 // accelerated CSS filters use CompositorFilterOperations, that is backed by cc. | 50 // accelerated CSS filters use CompositorFilterOperations, that is backed by cc. |
50 // | 51 class PaintLayerResourceInfo final |
51 class PaintLayerFilterInfo final | 52 : public GarbageCollectedFinalized<PaintLayerResourceInfo>, |
52 : public GarbageCollectedFinalized<PaintLayerFilterInfo>, | |
53 public SVGResourceClient { | 53 public SVGResourceClient { |
54 WTF_MAKE_NONCOPYABLE(PaintLayerFilterInfo); | 54 WTF_MAKE_NONCOPYABLE(PaintLayerResourceInfo); |
55 USING_GARBAGE_COLLECTED_MIXIN(PaintLayerFilterInfo); | 55 USING_GARBAGE_COLLECTED_MIXIN(PaintLayerResourceInfo); |
56 | 56 |
57 public: | 57 public: |
58 explicit PaintLayerFilterInfo(PaintLayer*); | 58 explicit PaintLayerResourceInfo(PaintLayer*); |
59 ~PaintLayerFilterInfo() override; | 59 ~PaintLayerResourceInfo() override; |
60 | 60 |
61 void setLastEffect(FilterEffect*); | 61 void setLastEffect(FilterEffect*); |
62 FilterEffect* lastEffect() const; | 62 FilterEffect* lastEffect() const; |
63 void invalidateFilterChain(); | 63 void invalidateFilterChain(); |
64 | 64 |
65 void clearLayer() { m_layer = nullptr; } | 65 void clearLayer() { m_layer = nullptr; } |
66 | 66 |
67 TreeScope* treeScope() override; | 67 TreeScope* treeScope() override; |
68 | 68 |
69 void resourceContentChanged() override; | 69 void resourceContentChanged() override; |
70 void resourceElementChanged() override; | 70 void resourceElementChanged() override; |
71 | 71 |
72 DECLARE_TRACE(); | 72 DECLARE_TRACE(); |
73 | 73 |
74 private: | 74 private: |
75 // |clearLayer| must be called before *m_layer becomes invalid. | 75 // |clearLayer| must be called before *m_layer becomes invalid. |
76 PaintLayer* m_layer; | 76 PaintLayer* m_layer; |
77 Member<FilterEffect> m_lastEffect; | 77 Member<FilterEffect> m_lastEffect; |
78 }; | 78 }; |
79 | 79 |
80 } // namespace blink | 80 } // namespace blink |
81 | 81 |
82 #endif // PaintLayerFilterInfo_h | 82 #endif // PaintLayerResourceInfo_h |
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