glc_polylines.cpp

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00001 /****************************************************************************
00002 
00003  This file is part of the GLC-lib library.
00004  Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
00005  http://glc-lib.sourceforge.net
00006 
00007  GLC-lib is free software; you can redistribute it and/or modify
00008  it under the terms of the GNU Lesser General Public License as published by
00009  the Free Software Foundation; either version 3 of the License, or
00010  (at your option) any later version.
00011 
00012  GLC-lib is distributed in the hope that it will be useful,
00013  but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  GNU Lesser General Public License for more details.
00016 
00017  You should have received a copy of the GNU Lesser General Public License
00018  along with GLC-lib; if not, write to the Free Software
00019  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00020 
00021  *****************************************************************************/
00023 
00024 #include "glc_polylines.h"
00025 
00026 GLC_Polylines::GLC_Polylines()
00027 : GLC_Geometry("Polyline", true)
00028 {
00029 
00030 }
00031 
00032 GLC_Polylines::GLC_Polylines(const GLC_Polylines& polyline)
00033 : GLC_Geometry(polyline)
00034 {
00035 
00036 }
00037 
00038 GLC_Polylines::~GLC_Polylines()
00039 {
00040 
00041 }
00042 
00044 // Get Functions
00046 const GLC_BoundingBox& GLC_Polylines::boundingBox()
00047 {
00048         if (NULL == GLC_Geometry::m_pBoundingBox)
00049         {
00050                 GLC_Geometry::m_pBoundingBox= new GLC_BoundingBox();
00051                 if (! m_WireData.isEmpty())
00052                 {
00053                         GLC_Geometry::m_pBoundingBox->combine(m_WireData.boundingBox());
00054                 }
00055         }
00056         return *GLC_Geometry::m_pBoundingBox;
00057 }
00058 
00059 GLC_Geometry* GLC_Polylines::clone() const
00060 {
00061         return new GLC_Polylines(*this);
00062 }
00063 
00065 // Set Functions
00067 
00068 
00069 GLC_uint GLC_Polylines::addPolyline(const QList<GLC_Point3d>& pointsList)
00070 {
00071         const int pointCount= pointsList.size();
00072         const int size= pointCount * 3;
00073         GLfloatVector data(size);
00074         for (int i= 0; i < pointCount; ++i)
00075         {
00076                 const GLC_Point3d currentPoint(pointsList.at(i));
00077                 data[i * 3]= static_cast<float>(currentPoint.x());
00078                 data[i * 3 + 1]= static_cast<float>(currentPoint.y());
00079                 data[i * 3 + 2]= static_cast<float>(currentPoint.z());
00080         }
00081         return GLC_Geometry::m_WireData.addVerticeGroup(data);
00082 }
00083 
00084 GLC_uint GLC_Polylines::addPolyline(const QList<GLC_Point3df>& pointsList)
00085 {
00086         const int pointCount= pointsList.size();
00087         const int size= pointCount * 3;
00088         GLfloatVector data(size);
00089         for (int i= 0; i < pointCount; ++i)
00090         {
00091                 const GLC_Point3df currentPoint(pointsList.at(i));
00092                 data[i * 3]= currentPoint.x();
00093                 data[i * 3 + 1]= currentPoint.y();
00094                 data[i * 3 + 2]= currentPoint.z();
00095         }
00096         return GLC_Geometry::m_WireData.addVerticeGroup(data);
00097 }
00098 
00099 GLC_Polylines& GLC_Polylines::operator=(const GLC_Polylines& polyline)
00100 {
00101         if (this != &polyline)
00102         {
00103                 GLC_Geometry::operator=(polyline);
00104         }
00105         return *this;
00106 }
00107 
00109 // OpenGL Functions
00111 void GLC_Polylines::glDraw(const GLC_RenderProperties& renderProperties)
00112 {
00113         if (!GLC_Geometry::m_WireData.isEmpty())
00114         {
00115                 GLC_Geometry::m_WireData.glDraw(renderProperties, GL_LINE_STRIP);
00116         }
00117 }
00118 

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©2005-2011 Laurent Ribon