00001 /* 00002 Copyright (c) 2011, The Cinder Project: http://libcinder.org 00003 All rights reserved. 00004 00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that 00006 the following conditions are met: 00007 00008 * Redistributions of source code must retain the above copyright notice, this list of conditions and 00009 the following disclaimer. 00010 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and 00011 the following disclaimer in the documentation and/or other materials provided with the distribution. 00012 00013 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED 00014 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00015 PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 00016 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00017 TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00018 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00019 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00020 POSSIBILITY OF SUCH DAMAGE. 00021 */ 00022 00023 #pragma once 00024 00025 #include "cinder/Cinder.h" 00026 #include "cinder/TriMesh.h" 00027 #include "cinder/PolyLine.h" 00028 #include "cinder/Shape2d.h" 00029 #include "cinder/Path2d.h" 00030 00031 struct TESStesselator; 00032 00033 namespace cinder { 00034 00036 class Triangulator { 00037 public: 00038 typedef enum Winding { WINDING_ODD, WINDING_NONZERO, WINDING_POSITIVE, WINDING_NEGATIVE, WINDING_ABS_GEQ_TWO } Winding; 00039 00041 Triangulator(); 00043 Triangulator( const Path2d &path, float approximationScale = 1.0f ); 00045 Triangulator( const Shape2d &shape, float approximationScale = 1.0f ); 00047 Triangulator( const PolyLine2f &polyLine ); 00048 00050 void addShape( const Shape2d &path, float approximationScale = 1.0f ); 00052 void addPath( const Path2d &path, float approximationScale = 1.0f ); 00054 void addPolyLine( const PolyLine2f &polyLine ); 00055 00057 TriMesh2d calcMesh( Winding winding = WINDING_ODD ); 00058 00059 class Exception : public ci::Exception { 00060 }; 00061 00062 protected: 00063 void allocate(); 00064 00065 int mAllocated; 00066 std::shared_ptr<TESStesselator> mTess; 00067 }; 00068 00069 } // namespace cinder