1 /* libs/graphics/animator/SkDisplayAdd.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 SkDisplayAdd_DEFINED 19 #define SkDisplayAdd_DEFINED 20 21 #include "SkDrawable.h" 22 #include "SkMemberInfo.h" 23 24 class SkAdd : public SkDrawable { 25 DECLARE_MEMBER_INFO(Add); 26 SkAdd(); 27 28 enum Mode { 29 kMode_indirect, 30 kMode_immediate 31 }; 32 33 virtual SkDisplayable* deepCopy(SkAnimateMaker* ); 34 virtual bool draw(SkAnimateMaker& ); 35 #ifdef SK_DUMP_ENABLED 36 virtual void dump(SkAnimateMaker* ); 37 #endif 38 virtual bool enable(SkAnimateMaker& ); 39 virtual bool hasEnable() const; 40 virtual void initialize(); 41 virtual bool isDrawable() const; 42 protected: 43 // struct _A { 44 Mode mode; 45 int32_t offset; 46 SkDrawable* use; 47 SkDrawable* where; // if NULL, offset becomes index 48 // } A; 49 private: 50 typedef SkDrawable INHERITED; 51 }; 52 53 class SkClear : public SkDisplayable { 54 virtual bool enable(SkAnimateMaker& ); 55 }; 56 57 class SkMove : public SkAdd { 58 DECLARE_MEMBER_INFO(Move); 59 private: 60 typedef SkAdd INHERITED; 61 }; 62 63 class SkRemove : public SkAdd { 64 DECLARE_MEMBER_INFO(Remove); 65 SkRemove(); 66 protected: 67 SkBool fDelete; 68 private: 69 friend class SkAdd; 70 typedef SkAdd INHERITED; 71 }; 72 73 class SkReplace : public SkAdd { 74 DECLARE_MEMBER_INFO(Replace); 75 private: 76 typedef SkAdd INHERITED; 77 }; 78 79 #endif // SkDisplayAdd_DEFINED 80 81 82
