QVision: Qt's Image, Video and Computer Vision Library

00001 /*
00002  *      Copyright (C) 2011, 2012. PARP Research Group.
00003  *      <http://perception.inf.um.es>
00004  *      University of Murcia, Spain.
00005  *
00006  *      This file is part of the QVision library.
00007  *
00008  *      QVision is free software: you can redistribute it and/or modify
00009  *      it under the terms of the GNU Lesser General Public License as
00010  *      published by the Free Software Foundation, version 3 of the License.
00011  *
00012  *      QVision 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
00018  *      License along with QVision. If not, see <http://www.gnu.org/licenses/>.
00019  */
00020 
00025 #include <qvblockprogramming/qvguiblocks/qvcanvas.h>
00026 
00027 #ifndef DOXYGEN_IGNORE_THIS
00028 
00029 class QV3DArrow: public QV3DModel
00030         {
00031         private:
00032                 const double pointLength, pointWidth, trunkLength, trunkWidth;
00033                 const int sections;
00034                 const QColor color;
00035 
00036                 void glDrawDisk(const double firstHeight, const double firstWidth,
00037                                 const double secondHeight, const double secondWidth,
00038                                 const int sections)
00039                         {
00040                         glBegin(GL_TRIANGLE_STRIP);
00041 
00042                         for (double x = 0; x <= 2*PI; x += 2*PI/(double)sections)
00043                                 {
00044                                 glVertex3d(firstWidth * sin(x), firstWidth * cos(x), firstHeight);
00045                                 glVertex3d(secondWidth * sin(x), secondWidth * cos(x), secondHeight);
00046                                 }
00047                         glEnd();
00048                         }
00049 
00050         public:
00051                 QV3DArrow(      const double pointLength = 128, const double pointWidth = 24,
00052                                 const double trunkLength = 256, const double trunkWidth = 10,
00053                                 const int sections = 10, const QColor & color = Qt::red): QV3DModel(),
00054                         pointLength(pointLength), pointWidth(pointWidth), trunkLength(trunkLength), trunkWidth(trunkWidth),
00055                         sections(sections), color(color)
00056                         {
00057                         }
00058 
00059                 void paint(QGLWidget &glWidget)
00060                         {
00061                         glWidget.qglColor(color);
00062                         glDrawDisk(0, 0, 0, trunkWidth, sections);                                      // Trunk base
00063                         glDrawDisk(0, trunkWidth, trunkLength, trunkWidth, sections);                   // Trunk
00064                         glDrawDisk(trunkLength, 0, trunkLength, pointWidth, sections);                  // Point base
00065                         glDrawDisk(trunkLength, pointWidth, trunkLength+pointLength, 0, sections);      // Point
00066                         };
00067         };
00068 
00069 class QV3DCoordinateCenter: public QV3DModel
00070         {
00071         private:
00072                 QV3DArrow xAxis, yAxis, zAxis;
00073         public:
00074                 QV3DCoordinateCenter(const double axisSizes = 400):QV3DModel(),
00075                         xAxis(axisSizes/4, axisSizes/20, axisSizes/2, axisSizes/45, 10, Qt::red),
00076                         yAxis(axisSizes/4, axisSizes/20, axisSizes/2, axisSizes/45, 10, Qt::green),
00077                         zAxis(axisSizes/4, axisSizes/20, axisSizes/2, axisSizes/45, 10, Qt::blue)
00078                         { }
00079 
00080                 void paint(QGLWidget &glWidget)
00081                         {
00082                         // Z axis
00083                         zAxis.paint(glWidget);
00084 
00085                         // Y axis
00086                         glPushMatrix();
00087                         glMultMatrixd(QVMatrix::rotationMatrix3dXAxis(PI/2).transpose().getReadData());
00088                         yAxis.paint(glWidget);
00089                         glPopMatrix();
00090 
00091                         // X axis
00092                         glPushMatrix();
00093                         glMultMatrixd(QVMatrix::rotationMatrix3dYAxis(-PI/2).transpose().getReadData());
00094                         xAxis.paint(glWidget);
00095                         glPopMatrix();
00096 
00097                         //glShadeModel(GL_SMOOTH);
00098                         //glShadeModel(GL_FLAT);
00099                         //drawSphere(0.5, 50, 50);
00100                         };
00101         };
00102 #endif
00103
examples/AugmentedReality/qv3dobjects.h
