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1 /* | 1 /* |
2 * Copyright (C) 2008 Alex Mathews <possessedpenguinbob@gmail.com> | 2 * Copyright (C) 2008 Alex Mathews <possessedpenguinbob@gmail.com> |
3 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> | 3 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> |
4 * | 4 * |
5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
9 * | 9 * |
10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 * Library General Public License for more details. | 13 * Library General Public License for more details. |
14 * | 14 * |
15 * You should have received a copy of the GNU Library General Public License | 15 * You should have received a copy of the GNU Library General Public License |
16 * along with this library; see the file COPYING.LIB. If not, write to | 16 * along with this library; see the file COPYING.LIB. If not, write to |
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
18 * Boston, MA 02110-1301, USA. | 18 * Boston, MA 02110-1301, USA. |
19 */ | 19 */ |
20 | 20 |
21 #ifndef SVGFilterBuilder_h | 21 #ifndef SVGFilterBuilder_h |
22 #define SVGFilterBuilder_h | 22 #define SVGFilterBuilder_h |
23 | 23 |
24 #include "platform/graphics/filters/FilterEffect.h" | 24 #include "platform/graphics/filters/FilterEffect.h" |
| 25 #include "platform/heap/Handle.h" |
25 #include "wtf/HashMap.h" | 26 #include "wtf/HashMap.h" |
26 #include "wtf/HashSet.h" | 27 #include "wtf/HashSet.h" |
27 #include "wtf/PassRefPtr.h" | 28 #include "wtf/PassRefPtr.h" |
28 #include "wtf/text/AtomicStringHash.h" | 29 #include "wtf/text/AtomicStringHash.h" |
29 #include "wtf/text/WTFString.h" | 30 #include "wtf/text/WTFString.h" |
30 | 31 |
31 namespace blink { | 32 namespace blink { |
32 | 33 |
33 class RenderObject; | 34 class RenderObject; |
34 | 35 |
35 class SVGFilterBuilder : public RefCounted<SVGFilterBuilder> { | 36 class SVGFilterBuilder final : public RefCountedWillBeGarbageCollectedFinalized<
SVGFilterBuilder> { |
36 public: | 37 public: |
37 typedef HashSet<FilterEffect*> FilterEffectSet; | 38 typedef WillBeHeapHashSet<RawPtrWillBeMember<FilterEffect> > FilterEffectSet
; |
38 | 39 |
39 static PassRefPtr<SVGFilterBuilder> create(PassRefPtr<FilterEffect> sourceGr
aphic, PassRefPtr<FilterEffect> sourceAlpha) { return adoptRef(new SVGFilterBuil
der(sourceGraphic, sourceAlpha)); } | 40 static PassRefPtrWillBeRawPtr<SVGFilterBuilder> create(PassRefPtrWillBeRawPt
r<FilterEffect> sourceGraphic, PassRefPtrWillBeRawPtr<FilterEffect> sourceAlpha) |
| 41 { |
| 42 return adoptRefWillBeNoop(new SVGFilterBuilder(sourceGraphic, sourceAlph
a)); |
| 43 } |
40 | 44 |
41 void add(const AtomicString& id, PassRefPtr<FilterEffect>); | 45 void add(const AtomicString& id, PassRefPtrWillBeRawPtr<FilterEffect>); |
42 | 46 |
43 FilterEffect* getEffectById(const AtomicString& id) const; | 47 FilterEffect* getEffectById(const AtomicString& id) const; |
44 FilterEffect* lastEffect() const { return m_lastEffect.get(); } | 48 FilterEffect* lastEffect() const { return m_lastEffect.get(); } |
45 | 49 |
46 void appendEffectToEffectReferences(PassRefPtr<FilterEffect>, RenderObject*)
; | 50 void appendEffectToEffectReferences(PassRefPtrWillBeRawPtr<FilterEffect>, Re
nderObject*); |
47 | 51 |
48 inline FilterEffectSet& effectReferences(FilterEffect* effect) | 52 inline FilterEffectSet& effectReferences(FilterEffect* effect) |
49 { | 53 { |
50 // Only allowed for effects belongs to this builder. | 54 // Only allowed for effects belongs to this builder. |
51 ASSERT(m_effectReferences.contains(effect)); | 55 ASSERT(m_effectReferences.contains(effect)); |
52 return m_effectReferences.find(effect)->value; | 56 return m_effectReferences.find(effect)->value; |
53 } | 57 } |
54 | 58 |
55 // Required to change the attributes of a filter during an svgAttributeChang
ed. | 59 // Required to change the attributes of a filter during an svgAttributeChang
ed. |
56 inline FilterEffect* effectByRenderer(RenderObject* object) { return m_effec
tRenderer.get(object); } | 60 inline FilterEffect* effectByRenderer(RenderObject* object) { return m_effec
tRenderer.get(object); } |
57 | 61 |
58 void clearEffects(); | 62 void clearEffects(); |
59 void clearResultsRecursive(FilterEffect*); | 63 void clearResultsRecursive(FilterEffect*); |
60 | 64 |
| 65 void trace(Visitor*); |
| 66 |
61 private: | 67 private: |
62 SVGFilterBuilder(PassRefPtr<FilterEffect> sourceGraphic, PassRefPtr<FilterEf
fect> sourceAlpha); | 68 SVGFilterBuilder(PassRefPtrWillBeRawPtr<FilterEffect> sourceGraphic, PassRef
PtrWillBeRawPtr<FilterEffect> sourceAlpha); |
63 | 69 |
64 inline void addBuiltinEffects() | 70 inline void addBuiltinEffects() |
65 { | 71 { |
66 HashMap<AtomicString, RefPtr<FilterEffect> >::iterator end = m_builtinEf
fects.end(); | 72 NamedFilterEffectMap::iterator end = m_builtinEffects.end(); |
67 for (HashMap<AtomicString, RefPtr<FilterEffect> >::iterator iterator = m
_builtinEffects.begin(); iterator != end; ++iterator) | 73 for (NamedFilterEffectMap::iterator iterator = m_builtinEffects.begin();
iterator != end; ++iterator) |
68 m_effectReferences.add(iterator->value, FilterEffectSet()); | 74 m_effectReferences.add(iterator->value, FilterEffectSet()); |
69 } | 75 } |
70 | 76 |
71 HashMap<AtomicString, RefPtr<FilterEffect> > m_builtinEffects; | 77 typedef WillBeHeapHashMap<AtomicString, RefPtrWillBeMember<FilterEffect> > N
amedFilterEffectMap; |
72 HashMap<AtomicString, RefPtr<FilterEffect> > m_namedEffects; | 78 |
| 79 NamedFilterEffectMap m_builtinEffects; |
| 80 NamedFilterEffectMap m_namedEffects; |
73 // The value is a list, which contains those filter effects, | 81 // The value is a list, which contains those filter effects, |
74 // which depends on the key filter effect. | 82 // which depends on the key filter effect. |
75 HashMap<RefPtr<FilterEffect>, FilterEffectSet> m_effectReferences; | 83 WillBeHeapHashMap<RefPtrWillBeMember<FilterEffect>, FilterEffectSet> m_effec
tReferences; |
76 HashMap<RenderObject*, FilterEffect*> m_effectRenderer; | 84 WillBeHeapHashMap<RenderObject*, RawPtrWillBeMember<FilterEffect> > m_effect
Renderer; |
77 | 85 |
78 RefPtr<FilterEffect> m_lastEffect; | 86 RefPtrWillBeMember<FilterEffect> m_lastEffect; |
79 }; | 87 }; |
80 | 88 |
81 } // namespace blink | 89 } // namespace blink |
82 | 90 |
83 #endif // SVGFilterBuilder_h | 91 #endif // SVGFilterBuilder_h |
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