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 "SkADrawable.h"
14 #include "SkIntArray.h"
15 #include "SkMemberInfo.h"
16 
17 class SkGroup : public SkADrawable { //interface for schema element <g>
18 public:
19     DECLARE_MEMBER_INFO(Group);
20     SkGroup();
21     virtual ~SkGroup();
22     bool addChild(SkAnimateMaker& , SkDisplayable* child) override;
23     bool contains(SkDisplayable* ) override;
24     SkGroup* copy();
25     SkBool copySet(int index);
26     SkDisplayable* deepCopy(SkAnimateMaker* ) override;
27     bool doEvent(SkDisplayEvent::Kind , SkEventState* state ) override;
28     bool draw(SkAnimateMaker& ) override;
29 #ifdef SK_DUMP_ENABLED
30     void dump(SkAnimateMaker* ) override;
31     virtual void dumpDrawables(SkAnimateMaker* );
32     void dumpEvents() override;
33 #endif
34     int findGroup(SkADrawable* drawable,  SkTDDrawableArray** list,
35         SkGroup** parent, SkGroup** found, SkTDDrawableArray** grandList);
36     bool enable(SkAnimateMaker& ) override;
getChildren()37     SkTDDrawableArray* getChildren() { return &fChildren; }
getOriginal()38     SkGroup* getOriginal() { return fOriginal; }
39     bool hasEnable() const override;
40     void initialize() override;
isACopy()41     SkBool isACopy() { return fOriginal != nullptr; }
42     void markCopyClear(int index);
43     void markCopySet(int index);
44     void markCopySize(int index);
markedForDelete(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* ) override;
48     void setSteps(int steps) override;
49 #ifdef SK_DEBUG
50     void validate() override;
51 #endif
52 protected:
53     bool ifCondition(SkAnimateMaker& maker, SkADrawable* drawable,
54         SkString& conditionString);
55     SkString condition;
56     SkString enableCondition;
57     SkTDDrawableArray fChildren;
58     SkTDDrawableArray* fParentList;
59     SkTDIntArray fCopies;
60     SkGroup* fOriginal;
61 private:
62     typedef SkADrawable INHERITED;
63 };
64 
65 class SkSave: public SkGroup {
66     DECLARE_MEMBER_INFO(Save);
67     bool draw(SkAnimateMaker& ) override;
68 private:
69     typedef SkGroup INHERITED;
70 };
71 
72 #endif // SkDrawGroup_DEFINED
73