michael@0: 
michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #ifndef SkDisplayAdd_DEFINED
michael@0: #define SkDisplayAdd_DEFINED
michael@0: 
michael@0: #include "SkDrawable.h"
michael@0: #include "SkMemberInfo.h"
michael@0: 
michael@0: class SkAdd : public SkDrawable {
michael@0:     DECLARE_MEMBER_INFO(Add);
michael@0:     SkAdd();
michael@0: 
michael@0:     enum Mode {
michael@0:         kMode_indirect,
michael@0:         kMode_immediate
michael@0:     };
michael@0: 
michael@0:     virtual SkDisplayable* deepCopy(SkAnimateMaker* );
michael@0:     virtual bool draw(SkAnimateMaker& );
michael@0: #ifdef SK_DUMP_ENABLED
michael@0:     virtual void dump(SkAnimateMaker* );
michael@0: #endif
michael@0:     virtual bool enable(SkAnimateMaker& );
michael@0:     virtual bool hasEnable() const;
michael@0:     virtual void initialize();
michael@0:     virtual bool isDrawable() const;
michael@0: protected:
michael@0: //  struct _A {
michael@0:         Mode mode;
michael@0:         int32_t offset;
michael@0:         SkDrawable* use;
michael@0:         SkDrawable* where;  // if NULL, offset becomes index
michael@0: //  } A;
michael@0: private:
michael@0:     typedef SkDrawable INHERITED;
michael@0: };
michael@0: 
michael@0: class SkClear : public SkDisplayable {
michael@0:     virtual bool enable(SkAnimateMaker& );
michael@0: };
michael@0: 
michael@0: class SkMove : public SkAdd {
michael@0:     DECLARE_MEMBER_INFO(Move);
michael@0: private:
michael@0:     typedef SkAdd INHERITED;
michael@0: };
michael@0: 
michael@0: class SkRemove : public SkAdd {
michael@0:     DECLARE_MEMBER_INFO(Remove);
michael@0:     SkRemove();
michael@0: protected:
michael@0:     SkBool fDelete;
michael@0: private:
michael@0:     friend class SkAdd;
michael@0:     typedef SkAdd INHERITED;
michael@0: };
michael@0: 
michael@0: class SkReplace : public SkAdd {
michael@0:     DECLARE_MEMBER_INFO(Replace);
michael@0: private:
michael@0:     typedef SkAdd INHERITED;
michael@0: };
michael@0: 
michael@0: #endif // SkDisplayAdd_DEFINED