include/basegfx/polygon/b2dpolygontriangulator.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <basegfx/polygon/b2dpolygon.hxx>
  23 #include <basegfx/point/b2dpoint.hxx>
  24 #include <basegfx/basegfxdllapi.h>
  25
  26 #include <vector>
  27
  28 namespace basegfx { class B2DPolyPolygon; }
  29
  30 namespace basegfx::triangulator
  31 {
  32         // Simple B2D-based triangle. Main reason is to
  33         // keep the data types separated (before a B2DPolygon
  34         // was used with the convention that three points in
  35         // a row define a triangle)
  36         class BASEGFX_DLLPUBLIC B2DTriangle
  37         {
  38             // positions
  39             basegfx::B2DPoint                       maA;
  40             basegfx::B2DPoint                       maB;
  41             basegfx::B2DPoint                       maC;
  42
  43         public:
  44             B2DTriangle(
  45                 const basegfx::B2DPoint& rA,
  46                 const basegfx::B2DPoint& rB,
  47                 const basegfx::B2DPoint& rC)
  48             :   maA(rA),
  49                 maB(rB),
  50                 maC(rC)
  51             {
  52             }
  53
  54             // get positions
  55             const basegfx::B2DPoint& getA() const { return maA; }
  56             const basegfx::B2DPoint& getB() const { return maB; }
  57             const basegfx::B2DPoint& getC() const { return maC; }
  58         };
  59
  60         // typedef for a vector of B2DTriangle
  61         typedef ::std::vector< B2DTriangle > B2DTriangleVector;
  62
  63         // triangulate given polygon
  64         BASEGFX_DLLPUBLIC B2DTriangleVector triangulate(const ::basegfx::B2DPolygon& rCandidate);
  65
  66         // triangulate given PolyPolygon
  67         BASEGFX_DLLPUBLIC B2DTriangleVector triangulate(const ::basegfx::B2DPolyPolygon& rCandidate);
  68
  69 } // end of namespace basegfx::triangulator
  70
  71 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */