15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2008 Alex Mathews <possessedpenguinbob@gmail.com> 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef SVGFilterBuilder_h 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define SVGFilterBuilder_h 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 24a854de003a23bf3c7f95ec0f8154ada64092ff5cTorne (Richard Coles)#include "platform/graphics/filters/FilterEffect.h" 25f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles)#include "wtf/HashMap.h" 26f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles)#include "wtf/HashSet.h" 27f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles)#include "wtf/PassRefPtr.h" 28f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles)#include "wtf/text/AtomicStringHash.h" 29f5e4ad553afbc08dd2e729bb77e937a9a94d5827Torne (Richard Coles)#include "wtf/text/WTFString.h" 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 31c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class RenderObject; 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class SVGFilterBuilder : public RefCounted<SVGFilterBuilder> { 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) typedef HashSet<FilterEffect*> FilterEffectSet; 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) static PassRefPtr<SVGFilterBuilder> create(PassRefPtr<FilterEffect> sourceGraphic, PassRefPtr<FilterEffect> sourceAlpha) { return adoptRef(new SVGFilterBuilder(sourceGraphic, sourceAlpha)); } 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void add(const AtomicString& id, PassRefPtr<FilterEffect>); 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FilterEffect* getEffectById(const AtomicString& id) const; 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) FilterEffect* lastEffect() const { return m_lastEffect.get(); } 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void appendEffectToEffectReferences(PassRefPtr<FilterEffect>, RenderObject*); 475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) inline FilterEffectSet& effectReferences(FilterEffect* effect) 495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Only allowed for effects belongs to this builder. 515c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) ASSERT(m_effectReferences.contains(effect)); 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) return m_effectReferences.find(effect)->value; 535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // Required to change the attributes of a filter during an svgAttributeChanged. 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) inline FilterEffect* effectByRenderer(RenderObject* object) { return m_effectRenderer.get(object); } 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void clearEffects(); 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) void clearResultsRecursive(FilterEffect*); 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) SVGFilterBuilder(PassRefPtr<FilterEffect> sourceGraphic, PassRefPtr<FilterEffect> sourceAlpha); 635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) inline void addBuiltinEffects() 655c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) { 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) HashMap<AtomicString, RefPtr<FilterEffect> >::iterator end = m_builtinEffects.end(); 675c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) for (HashMap<AtomicString, RefPtr<FilterEffect> >::iterator iterator = m_builtinEffects.begin(); iterator != end; ++iterator) 685c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) m_effectReferences.add(iterator->value, FilterEffectSet()); 695c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 705c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 715c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) HashMap<AtomicString, RefPtr<FilterEffect> > m_builtinEffects; 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) HashMap<AtomicString, RefPtr<FilterEffect> > m_namedEffects; 735c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // The value is a list, which contains those filter effects, 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) // which depends on the key filter effect. 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) HashMap<RefPtr<FilterEffect>, FilterEffectSet> m_effectReferences; 765c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) HashMap<RenderObject*, FilterEffect*> m_effectRenderer; 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 785c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) RefPtr<FilterEffect> m_lastEffect; 795c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 8002772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 81c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 825c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 835c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // SVGFilterBuilder_h 84