1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SkUnitMapper_DEFINED 18 #define SkUnitMapper_DEFINED 19 20 #include "SkRefCnt.h" 21 #include "SkScalar.h" 22 23 #include "SkFlattenable.h" 24 25 class SkUnitMapper : public SkFlattenable { 26 public: 27 SkUnitMapper() {} 28 29 /** Given a value in [0..0xFFFF], return a value in the same range. 30 */ 31 virtual uint16_t mapUnit16(uint16_t x) = 0; 32 33 protected: 34 SkUnitMapper(SkFlattenableReadBuffer& rb) : SkFlattenable(rb) {} 35 }; 36 37 #endif 38 39
