1 /* 2 * Copyright 2011 Google Inc. All Rights Reserved. 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 SFNTLY_CPP_SRC_SFNTLY_MATH_FIXED1616_H_ 18 #define SFNTLY_CPP_SRC_SFNTLY_MATH_FIXED1616_H_ 19 20 #include "sfntly/port/type.h" 21 22 namespace sfntly { 23 24 class Fixed1616 { 25 public: Integral(int32_t fixed)26 static inline int32_t Integral(int32_t fixed) { 27 return (fixed >> 16); 28 } 29 Fractional(int32_t fixed)30 static inline int32_t Fractional(int32_t fixed) { 31 return (fixed & 0xffff); 32 } 33 Fixed(int32_t integral,int32_t fractional)34 static inline int32_t Fixed(int32_t integral, int32_t fractional) { 35 return ((integral & 0xffff) << 16) | (fractional & 0xffff); 36 } 37 }; 38 39 } // namespace sfntly 40 41 #endif // SFNTLY_CPP_SRC_SFNTLY_MATH_FIXED1616_H_ 42