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/* libs/graphics/animator/SkAnimateActive.h
**
** Copyright 2006, Google Inc.
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#ifndef SkAnimateActive_DEFINED
#define SkAnimateActive_DEFINED
#include "SkDisplayApply.h"
#include "SkOperandInterpolator.h"
#include "SkIntArray.h"
class SkAnimateMaker;
class SkActive {
public:
SkActive(SkApply& , SkAnimateMaker& );
~SkActive();
void advance();
void append(SkApply* );
void calcDurations(int index);
void create(SkDrawable* scope, SkMSec time);
bool draw() { return immediate(false); }
bool enable() { return immediate(true); }
void init( );
SkMSec getTime(SkMSec inTime, int animatorIndex);
void pickUp(SkActive* existing);
void reset() { fDrawIndex = 0; }
void setInterpolator(int index, SkOperand* from);
void start();
#ifdef SK_DEBUG
void validate();
#endif
private:
void appendSave(int oldCount);
void fixInterpolator(SkBool save);
bool immediate(bool enable);
bool initializeSave();
void initState(SkApply* , int offset);
void resetInterpolators();
void resetState();
void restoreInterpolatorValues(int index);
void saveInterpolatorValues(int index);
void setSteps(int steps);
struct SkState {
// void bumpSave();
SkMSec getRelativeTime(SkMSec time);
SkApply::Mode fMode;
SkApply::Transition fTransition;
SkBool8 fPickup;
SkBool8 fRestore;
SkBool8 fStarted;
SkBool8 fUnpostedEndEvent;
S32 fSteps;
SkMSec fBegin;
SkMSec fStartTime;
SkMSec fDuration;
SkMSec fSave;
SkMSec fTicks;
};
SkActive& operator= (const SkActive& );
SkTDArray<SkOperandInterpolator*> fInterpolators;
SkApply& fApply;
SkTDArray<SkState> fState; // one per animator
SkTDOperandPtrArray fSaveRestore; // if apply has restore="true"
SkTDOperandPtrArray fSaveInterpolators;
SkTDAnimateArray fAnimators;
SkMSec fMaxTime; // greatest of all animation durations; only used by immediate mode
SkAnimateMaker& fMaker;
int fDrawIndex;
int fDrawMax;
friend class SkApply;
};
#endif // SkAnimateActive_DEFINED