00001 /* 00002 Copyright (c) 2010, The Barbarian Group 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/Vector.h" 00026 #include <vector> 00027 00028 namespace cinder { 00029 00030 template<typename T> 00031 class PolyLine { 00032 public: 00033 PolyLine() : mClosed( false ) {} 00034 PolyLine( const std::vector<T> &aPoints ) : mPoints( aPoints ), mClosed( false ) {} 00035 00036 const std::vector<T>& getPoints() const { return mPoints; } 00037 std::vector<T>& getPoints() { return mPoints; } 00038 00039 // STL-like convenience functions for iterating points 00040 typedef typename std::vector<T>::const_iterator const_iterator; 00041 typedef typename std::vector<T>::iterator iterator; 00042 00043 size_t size() const { return mPoints.size(); } 00044 00045 void push_back( const T &v ) { mPoints.push_back( v ); } 00046 iterator begin() { return mPoints.begin(); } 00047 const_iterator begin() const { return mPoints.begin(); } 00048 iterator end() { return mPoints.end(); } 00049 const_iterator end() const { return mPoints.end(); } 00050 00051 void setClosed( bool aClosed = true ) { mClosed = aClosed; } 00052 bool isClosed() const { return mClosed; } 00053 00054 T getPosition( float t ) const; 00055 T getDerivative( float t ) const; 00056 00057 private: 00058 std::vector<T> mPoints; 00059 bool mClosed; 00060 }; 00061 00062 //typedef PolyLine<Vec2f> PolyLine2f; 00063 00064 } // namespace cinder