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# include/cinder/PolyLine.h

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    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