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      1 /* libs/graphics/animator/SkAnimateBase.h
      2 **
      3 ** Copyright 2006, The Android Open Source Project
      4 **
      5 ** Licensed under the Apache License, Version 2.0 (the "License");
      6 ** you may not use this file except in compliance with the License.
      7 ** You may obtain a copy of the License at
      8 **
      9 **     http://www.apache.org/licenses/LICENSE-2.0
     10 **
     11 ** Unless required by applicable law or agreed to in writing, software
     12 ** distributed under the License is distributed on an "AS IS" BASIS,
     13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14 ** See the License for the specific language governing permissions and
     15 ** limitations under the License.
     16 */
     17 
     18 #ifndef SkAnimateBase_DEFINED
     19 #define SkAnimateBase_DEFINED
     20 
     21 #include "SkDisplayable.h"
     22 #include "SkMath.h"
     23 #include "SkMemberInfo.h"
     24 #include "SkTypedArray.h"
     25 
     26 class SkApply;
     27 class SkDrawable;
     28 
     29 class SkAnimateBase : public SkDisplayable {
     30 public:
     31     DECLARE_MEMBER_INFO(AnimateBase);
     32     SkAnimateBase();
     33     virtual ~SkAnimateBase();
     34     virtual int components();
     35     virtual SkDisplayable* deepCopy(SkAnimateMaker* );
     36     virtual void dirty();
     37 #ifdef SK_DUMP_ENABLED
     38     virtual void dump(SkAnimateMaker* );
     39 #endif
     40     int entries() { return fValues.count() / components(); }
     41     virtual bool hasExecute() const;
     42     bool isDynamic() const { return SkToBool(fDynamic); }
     43     virtual SkDisplayable* getParent() const;
     44     virtual bool getProperty(int index, SkScriptValue* value) const;
     45     SkMSec getStart() const { return fStart; }
     46     SkOperand* getValues() { return fValues.begin(); }
     47     SkDisplayTypes getValuesType() { return fValues.getType(); }
     48     virtual void onEndElement(SkAnimateMaker& );
     49     void packARGB(SkScalar [], int count, SkTDOperandArray* );
     50     virtual void refresh(SkAnimateMaker& );
     51     void setChanged(bool changed) { fChanged = changed; }
     52     void setHasEndEvent() { fHasEndEvent = true; }
     53     virtual bool setParent(SkDisplayable* );
     54     virtual bool setProperty(int index, SkScriptValue& value);
     55     void setTarget(SkAnimateMaker& );
     56     virtual bool targetNeedsInitialization() const;
     57 protected:
     58     SkMSec begin;
     59     SkTDScalarArray blend;
     60     SkMSec dur;
     61     // !!! make field part of a union with fFieldInfo, or fValues, something known later?
     62     SkString field; // temporary; once target is known, this is reset
     63     SkString formula;
     64     SkString from;
     65     SkString lval;
     66     SkScalar repeat;
     67     SkString target;    // temporary; once target is known, this is reset
     68     SkString to;
     69     SkApply* fApply;
     70     const SkMemberInfo* fFieldInfo;
     71     int fFieldOffset;
     72     SkMSec fStart;  // corrected time when this apply was enabled
     73     SkDrawable* fTarget;
     74     SkTypedArray fValues;
     75     unsigned fChanged : 1; // true when value referenced by script has changed
     76     unsigned fDelayed : 1;  // enabled, but undrawn pending delay
     77     unsigned fDynamic : 1;
     78     unsigned fHasEndEvent : 1;
     79     unsigned fHasValues : 1;        // set if 'values' passed instead of 'to'
     80     unsigned fMirror : 1;
     81     unsigned fReset : 1;
     82     unsigned fResetPending : 1;
     83     unsigned fTargetIsScope : 1;
     84 private:
     85     typedef SkDisplayable INHERITED;
     86     friend class SkActive;
     87     friend class SkApply;
     88     friend class SkDisplayList;
     89 };
     90 
     91 #endif // SkAnimateBase_DEFINED
     92