1 /* 2 * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following 13 * disclaimer in the documentation and/or other materials 14 * provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 19 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 20 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 21 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 27 * OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef ShapeInterval_h 31 #define ShapeInterval_h 32 33 #include "wtf/Vector.h" 34 35 namespace WebCore { 36 37 struct ShapeInterval { 38 public: 39 float x1; 40 float x2; 41 42 ShapeInterval(float x1 = 0, float x2 = 0) 43 : x1(x1) 44 , x2(x2) 45 { 46 } 47 48 bool intersect(const ShapeInterval&, ShapeInterval&) const; 49 }; 50 51 void sortShapeIntervals(Vector<ShapeInterval>&); 52 void mergeShapeIntervals(const Vector<ShapeInterval>&, const Vector<ShapeInterval>&, Vector<ShapeInterval>&); 53 void intersectShapeIntervals(const Vector<ShapeInterval>&, const Vector<ShapeInterval>&, Vector<ShapeInterval>&); 54 void subtractShapeIntervals(const Vector<ShapeInterval>&, const Vector<ShapeInterval>&, Vector<ShapeInterval>&); 55 56 } // namespace WebCore 57 58 #endif // ShapeInterval_h 59
