1 /* libs/graphics/animator/SkAnimatorScript.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 SkAnimatorScript_DEFINED 19 #define SkAnimatorScript_DEFINED 20 21 #include "SkDisplayable.h" 22 #include "SkScript.h" 23 #include "SkTypedArray.h" 24 25 class SkAnimateMaker; 26 struct SkMemberInfo; 27 28 struct SkDisplayEnumMap { 29 SkDisplayTypes fType; 30 const char* fValues; 31 }; 32 33 class SkAnimatorScript : public SkScriptEngine { 34 public: 35 SkAnimatorScript(SkAnimateMaker& , SkDisplayable* , SkDisplayTypes type); 36 ~SkAnimatorScript(); 37 bool evaluate(const char* script, SkScriptValue* , SkDisplayTypes type); 38 void track(SkDisplayable* displayable) { 39 SkASSERT(fTrackDisplayable.find(displayable) < 0); 40 *fTrackDisplayable.append() = displayable; } 41 static bool EvaluateDisplayable(SkAnimateMaker& , SkDisplayable* , const char* script, SkDisplayable** ); 42 static bool EvaluateFloat(SkAnimateMaker& , SkDisplayable* , const char* script, SkScalar* ); 43 static bool EvaluateInt(SkAnimateMaker& , SkDisplayable* , const char* script, int32_t* ); 44 static bool EvaluateString(SkAnimateMaker& , SkDisplayable* , const char* script, SkString* ); 45 static bool EvaluateString(SkAnimateMaker& , SkDisplayable* , SkDisplayable* parent, const char* script, SkString* ); 46 static bool MapEnums(const char* ptr, const char* match, size_t len, int* value); 47 protected: 48 static bool Box(void* user, SkScriptValue* ); 49 static bool Eval(const char* function, size_t len, SkTDArray<SkScriptValue>& params, 50 void* callBack, SkScriptValue* ); 51 static bool EvalEnum(const char* token, size_t len, void* callBack, SkScriptValue* ); 52 static bool EvalID(const char* token, size_t len, void* callBack, SkScriptValue* ); 53 static bool EvalMember(const char* member, size_t len, void* object, void* eng, 54 SkScriptValue* value); 55 static bool EvalMemberCommon(SkScriptEngine* , const SkMemberInfo* info, 56 SkDisplayable* displayable, SkScriptValue* value); 57 static bool EvalMemberFunction(const char* member, size_t len, void* object, 58 SkTDArray<SkScriptValue>& params, void* user, SkScriptValue* value); 59 static bool EvalNamedColor(const char* token, size_t len, void* callBack, SkScriptValue* ); 60 static bool EvalRGB(const char* function, size_t len, SkTDArray<SkScriptValue>& params, 61 void* callBack, SkScriptValue* ); 62 static const SkDisplayEnumMap& GetEnumValues(SkDisplayTypes type); 63 static bool Infinity(const char* token, size_t len, void* callBack, SkScriptValue* ); 64 static bool IsFinite(const char* function, size_t len, SkTDArray<SkScriptValue>& params, 65 void* callBack, SkScriptValue* ); 66 static bool IsNaN(const char* function, size_t len, SkTDArray<SkScriptValue>& params, 67 void* callBack, SkScriptValue* ); 68 static bool NaN(const char* token, size_t len, void* callBack, SkScriptValue* ); 69 static bool Unbox(void* , SkScriptValue* scriptValue); 70 SkTDDisplayableArray fTrackDisplayable; 71 SkAnimateMaker& fMaker; 72 SkDisplayable* fParent; 73 SkDisplayable* fWorking; 74 private: 75 friend class SkDump; 76 friend struct SkScriptNAnswer; 77 #ifdef SK_SUPPORT_UNITTEST 78 public: 79 static void UnitTest(); 80 #endif 81 }; 82 83 #endif // SkAnimatorScript_DEFINED 84 85
