1 /* 2 * Copyright (C) 2018 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 MINIKIN_MINIKIN_EXTENT_H 18 #define MINIKIN_MINIKIN_EXTENT_H 19 20 #include <ostream> 21 22 namespace minikin { 23 24 // For holding vertical extents. 25 struct MinikinExtent { MinikinExtentMinikinExtent26 MinikinExtent() : ascent(0), descent(0) {} MinikinExtentMinikinExtent27 MinikinExtent(float ascent, float descent) : ascent(ascent), descent(descent) {} 28 bool operator==(const MinikinExtent& o) const { 29 return ascent == o.ascent && descent == o.descent; 30 } 31 float ascent; // negative 32 float descent; // positive 33 resetMinikinExtent34 void reset() { ascent = descent = 0.0; } 35 extendByMinikinExtent36 void extendBy(const MinikinExtent& e) { 37 ascent = std::min(ascent, e.ascent); 38 descent = std::max(descent, e.descent); 39 } 40 }; 41 42 // For gtest output 43 inline std::ostream& operator<<(std::ostream& os, const MinikinExtent& e) { 44 return os << e.ascent << ", " << e.descent; 45 } 46 } // namespace minikin 47 48 #endif // MINIKIN_MINIKIN_EXTENT_H 49