1 /* 2 * Copyright 2013 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 #pragma once 18 19 namespace android { 20 21 class FloatRect { 22 public: 23 FloatRect() = default; 24 constexpr FloatRect(float _left, float _top, float _right, float _bottom) 25 : left(_left), top(_top), right(_right), bottom(_bottom) {} 26 27 float getWidth() const { return right - left; } 28 float getHeight() const { return bottom - top; } 29 30 FloatRect intersect(const FloatRect& other) const { 31 FloatRect intersection = { 32 // Inline to avoid tromping on other min/max defines or adding a 33 // dependency on STL 34 (left > other.left) ? left : other.left, 35 (top > other.top) ? top : other.top, 36 (right < other.right) ? right : other.right, 37 (bottom < other.bottom) ? bottom : other.bottom 38 }; 39 if (intersection.getWidth() < 0 || intersection.getHeight() < 0) { 40 return {0, 0, 0, 0}; 41 } 42 return intersection; 43 } 44 45 float left = 0.0f; 46 float top = 0.0f; 47 float right = 0.0f; 48 float bottom = 0.0f; 49 }; 50 51 inline bool operator==(const FloatRect& a, const FloatRect& b) { 52 return a.left == b.left && a.top == b.top && a.right == b.right && a.bottom == b.bottom; 53 } 54 55 } // namespace android 56
