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