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 "cinder/Rect.h" 00027 #include "cinder/Path2d.h" 00028 00029 #include <vector> 00030 00031 namespace cinder { 00032 00033 class Shape2d { 00034 public: 00035 void moveTo( const Vec2f &p ); 00036 void moveTo( float x, float y ) { moveTo( Vec2f( x, y ) ); } 00037 void lineTo( const Vec2f &p ); 00038 void lineTo( float x, float y ) { lineTo( Vec2f( x, y ) ); } 00039 void quadTo( const Vec2f &p1, const Vec2f &p2 ); 00040 void quadTo( float x1, float y1, float x2, float y2 ) { quadTo( Vec2f( x1, y1 ), Vec2f( x2, y2 ) ); } 00041 void curveTo( const Vec2f &p1, const Vec2f &p2, const Vec2f &p3 ); 00042 void curveTo( float x1, float y1, float x2, float y2, float x3, float y3 ) { curveTo( Vec2f( x1, y1 ), Vec2f( x2, y2 ), Vec2f( x3, y3 ) ); } 00043 void close(); 00044 00045 bool empty() const { return mContours.empty(); } 00046 void clear() { mContours.clear(); } 00047 size_t getNumContours() const { return mContours.size(); } 00048 00049 const Path2d& getContour( size_t i ) const { return mContours[i]; } 00050 Path2d& getContour( size_t i ) { return mContours[i]; } 00051 00052 const Vec2f& getCurrentPoint() const { return mContours.back().getCurrentPoint(); } 00053 00054 void removeContour( size_t i ) { mContours.erase( mContours.begin() + i ); } 00055 00057 Rectf calcBoundingBox() const; 00058 00060 00064 template<typename IT> 00065 void iterate( IT &it ) 00066 { 00067 bool stop = false; 00068 for( std::vector<Path2d>::const_iterator contourIt = mContours.begin(); contourIt != mContours.end(); ++contourIt ) { 00069 size_t pt = 0; 00070 for( std::vector<Path2d::SegmentType>::const_iterator segIt = contourIt->mSegments.begin(); segIt != contourIt->mSegments.end(); ++segIt ) { 00071 if( ! it( *segIt, &contourIt->mPoints[pt], ( pt > 0 ) ? &contourIt->mPoints[pt-1] : 0 ) ) { 00072 stop = true; 00073 break; 00074 } 00075 pt += Path2d::sSegmentTypePointCounts[*segIt]; 00076 } 00077 if( stop ) break; 00078 else if( contourIt->isClosed() ) { 00079 if( ! it( Path2d::CLOSE, contourIt->empty() ? NULL : &contourIt->mPoints[0], ( pt > 0 ) ? &contourIt->mPoints[pt-1] : 0 ) ) 00080 break; 00081 } 00082 } 00083 } 00084 00085 private: 00086 std::vector<Path2d> mContours; 00087 }; 00088 00089 } // namespace cinder