1 /* libs/graphics/animator/SkDrawGradient.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 SkDrawGradient_DEFINED 19 #define SkDrawGradient_DEFINED 20 21 #include "SkDrawColor.h" 22 #include "SkDrawShader.h" 23 #include "SkIntArray.h" 24 25 class SkUnitMapper; 26 27 class SkGradient : public SkDrawShader { 28 DECLARE_PRIVATE_MEMBER_INFO(Gradient); 29 SkGradient(); 30 virtual ~SkGradient(); 31 virtual bool add(SkAnimateMaker& , SkDisplayable* child); 32 #ifdef SK_DUMP_ENABLED 33 virtual void dumpRest(SkAnimateMaker*); 34 #endif 35 virtual void onEndElement(SkAnimateMaker& ); 36 protected: 37 SkTDScalarArray offsets; 38 SkString unitMapper; 39 SkTDColorArray fColors; 40 SkTDDrawColorArray fDrawColors; 41 SkUnitMapper* fUnitMapper; 42 int addPrelude(); 43 private: 44 typedef SkDrawShader INHERITED; 45 }; 46 47 class SkLinearGradient : public SkGradient { 48 DECLARE_MEMBER_INFO(LinearGradient); 49 SkLinearGradient(); 50 virtual void onEndElement(SkAnimateMaker& ); 51 #ifdef SK_DUMP_ENABLED 52 virtual void dump(SkAnimateMaker*); 53 #endif 54 virtual SkShader* getShader(); 55 protected: 56 SkTDScalarArray points; 57 private: 58 typedef SkGradient INHERITED; 59 }; 60 61 class SkRadialGradient : public SkGradient { 62 DECLARE_MEMBER_INFO(RadialGradient); 63 SkRadialGradient(); 64 #ifdef SK_DUMP_ENABLED 65 virtual void dump(SkAnimateMaker*); 66 #endif 67 virtual SkShader* getShader(); 68 protected: 69 SkPoint center; 70 SkScalar radius; 71 private: 72 typedef SkGradient INHERITED; 73 }; 74 75 #endif // SkDrawGradient_DEFINED 76 77