2012-04-19 14:35:52 +08:00
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/* libs/graphics/animator/SkDrawGroup.h
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**
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** Copyright 2006, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#ifndef SkDrawGroup_DEFINED
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#define SkDrawGroup_DEFINED
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#include "SkDrawable.h"
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#include "SkIntArray.h"
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#include "SkMemberInfo.h"
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class SkGroup : public SkDrawable { //interface for schema element <g>
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public:
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DECLARE_MEMBER_INFO(Group);
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SkGroup();
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virtual ~SkGroup();
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virtual bool add(SkAnimateMaker& , SkDisplayable* child);
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virtual bool contains(SkDisplayable* );
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SkGroup* copy();
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SkBool copySet(int index);
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virtual SkDisplayable* deepCopy(SkAnimateMaker* );
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virtual bool doEvent(SkDisplayEvent::Kind , SkEventState* state );
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virtual bool draw(SkAnimateMaker& );
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#ifdef SK_DUMP_ENABLED
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virtual void dump(SkAnimateMaker* );
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virtual void dumpDrawables(SkAnimateMaker* );
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virtual void dumpEvents();
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#endif
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int findGroup(SkDrawable* drawable, SkTDDrawableArray** list,
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SkGroup** parent, SkGroup** found, SkTDDrawableArray** grandList);
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virtual bool enable(SkAnimateMaker& );
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SkTDDrawableArray* getChildren() { return &fChildren; }
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SkGroup* getOriginal() { return fOriginal; }
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virtual bool hasEnable() const;
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virtual void initialize();
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SkBool isACopy() { return fOriginal != NULL; }
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void markCopyClear(int index);
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void markCopySet(int index);
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void markCopySize(int index);
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bool markedForDelete(int index) const { return (fCopies[index >> 5] & 1 << (index & 0x1f)) == 0; }
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void reset();
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bool resolveIDs(SkAnimateMaker& maker, SkDisplayable* original, SkApply* );
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virtual void setSteps(int steps);
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#ifdef SK_DEBUG
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virtual void validate();
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#endif
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protected:
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bool ifCondition(SkAnimateMaker& maker, SkDrawable* drawable,
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SkString& conditionString);
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SkString condition;
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SkString enableCondition;
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SkTDDrawableArray fChildren;
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SkTDDrawableArray* fParentList;
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SkTDIntArray fCopies;
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SkGroup* fOriginal;
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private:
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typedef SkDrawable INHERITED;
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};
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class SkSave: public SkGroup {
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DECLARE_MEMBER_INFO(Save);
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virtual bool draw(SkAnimateMaker& );
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private:
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typedef SkGroup INHERITED;
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};
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#endif // SkDrawGroup_DEFINED
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