/* * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "third_party/blink/renderer/platform/geometry/float_polygon.h" #include <memory> #include "third_party/blink/renderer/platform/wtf/math_extras.h" namespace blink { static inline bool AreCollinearPoints(const gfx::PointF& p0, const gfx::PointF& p1, const gfx::PointF& p2) { … } static inline bool AreCoincidentPoints(const gfx::PointF& p0, const gfx::PointF& p1) { … } static inline unsigned NextVertexIndex(unsigned vertex_index, unsigned n_vertices, bool clockwise) { … } static unsigned FindNextEdgeVertexIndex(const FloatPolygon& polygon, unsigned vertex_index1, bool clockwise) { … } FloatPolygon::FloatPolygon(Vector<gfx::PointF> vertices) : … { … } bool FloatPolygon::OverlappingEdges( float min_y, float max_y, Vector<const FloatPolygonEdge*>& result) const { … } bool VertexPair::Intersection(const VertexPair& other, gfx::PointF& point) const { … } } // namespace blink