1
2/*
3 * Copyright 2006 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10#ifndef SkDrawGroup_DEFINED
11#define SkDrawGroup_DEFINED
12
13#include "SkDrawable.h"
14#include "SkIntArray.h"
15#include "SkMemberInfo.h"
16
17class SkGroup : public SkDrawable { //interface for schema element <g>
18public:
19    DECLARE_MEMBER_INFO(Group);
20    SkGroup();
21    virtual ~SkGroup();
22    virtual bool addChild(SkAnimateMaker& , SkDisplayable* child) SK_OVERRIDE;
23    virtual bool contains(SkDisplayable* );
24    SkGroup* copy();
25    SkBool copySet(int index);
26    virtual SkDisplayable* deepCopy(SkAnimateMaker* );
27    virtual bool doEvent(SkDisplayEvent::Kind , SkEventState* state );
28    virtual bool draw(SkAnimateMaker& );
29#ifdef SK_DUMP_ENABLED
30    virtual void dump(SkAnimateMaker* );
31    virtual void dumpDrawables(SkAnimateMaker* );
32    virtual void dumpEvents();
33#endif
34    int findGroup(SkDrawable* drawable,  SkTDDrawableArray** list,
35        SkGroup** parent, SkGroup** found, SkTDDrawableArray** grandList);
36    virtual bool enable(SkAnimateMaker& );
37    SkTDDrawableArray* getChildren() { return &fChildren; }
38    SkGroup* getOriginal() { return fOriginal; }
39    virtual bool hasEnable() const;
40    virtual void initialize();
41    SkBool isACopy() { return fOriginal != NULL; }
42    void markCopyClear(int index);
43    void markCopySet(int index);
44    void markCopySize(int index);
45    bool markedForDelete(int index) const { return (fCopies[index >> 5] & 1 << (index & 0x1f)) == 0; }
46    void reset();
47    bool resolveIDs(SkAnimateMaker& maker, SkDisplayable* original, SkApply* );
48    virtual void setSteps(int steps);
49#ifdef SK_DEBUG
50    virtual void validate();
51#endif
52protected:
53    bool ifCondition(SkAnimateMaker& maker, SkDrawable* drawable,
54        SkString& conditionString);
55    SkString condition;
56    SkString enableCondition;
57    SkTDDrawableArray fChildren;
58    SkTDDrawableArray* fParentList;
59    SkTDIntArray fCopies;
60    SkGroup* fOriginal;
61private:
62    typedef SkDrawable INHERITED;
63};
64
65class SkSave: public SkGroup {
66    DECLARE_MEMBER_INFO(Save);
67    virtual bool draw(SkAnimateMaker& );
68private:
69    typedef SkGroup INHERITED;
70};
71
72#endif // SkDrawGroup_DEFINED
73