test/CubeView.h

   1 //
   2 // "$Id: CubeView.h 7913 2010-11-29 18:18:27Z greg.ercolano $"
   3 //
   4 // CubeView class definitions for the Fast Light Tool Kit (FLTK).
   5 //
   6 // Copyright 1998-2010 by Bill Spitzak and others.
   7 //
   8 // This library is free software; you can redistribute it and/or
   9 // modify it under the terms of the GNU Library General Public
  10 // License as published by the Free Software Foundation; either
  11 // version 2 of the License, or (at your option) any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 // Library General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU Library General Public
  19 // License along with this library; if not, write to the Free Software
  20 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  21 // USA.
  22 //
  23 // Please report all bugs and problems on the following page:
  24 //
  25 //     http://www.fltk.org/str.php
  26 //
  27
  28 #ifndef CUBEVIEW_H
  29 #define CUBEVIEW_H 1
  30 #include <config.h>
  31 #include <FL/Fl.H>
  32 #if HAVE_GL
  33 #  include <FL/Fl_Gl_Window.H>
  34 #  include <FL/gl.h>
  35 #else
  36 #  include <FL/Fl_Box.H>
  37 #endif /* HAVE_GL */
  38
  39 #include <stdlib.h>
  40
  41 #if HAVE_GL
  42 class CubeView : public Fl_Gl_Window {
  43 #else
  44 class CubeView : public Fl_Box {
  45 #endif /* HAVE_GL */
  46
  47 public:
  48     // this value determines the scaling factor used to draw the cube.
  49     double size;
  50
  51     CubeView(int x,int y,int w,int h,const char *l=0);
  52
  53     /* Set the rotation about the vertical (y ) axis.
  54      *
  55      * This function is called by the horizontal roller in CubeViewUI and the
  56      * initialize button in CubeViewUI.
  57      */
  58     void v_angle(float angle){vAng=angle;};
  59
  60     // Return the rotation about the vertical (y ) axis.
  61     float v_angle(){return vAng;};
  62
  63     /* Set the rotation about the horizontal (x ) axis.
  64      *
  65      * This function is called by the vertical roller in CubeViewUI and the
  66      * initialize button in CubeViewUI.
  67      */
  68
  69     void h_angle(float angle){hAng=angle;};
  70
  71     // the rotation about the horizontal (x ) axis.
  72     float h_angle(){return hAng;};
  73
  74     /* Sets the x shift of the cube view camera.
  75      *
  76      * This function is called by the slider in CubeViewUI and the
  77      * initialize button in CubeViewUI.
  78      */
  79     void panx(float x){xshift=x;};
  80     /* Sets the y shift of the cube view camera.
  81      *
  82      * This function is called by the slider in CubeViewUI and the
  83      * initialize button in CubeViewUI.
  84      */
  85     void pany(float y){yshift=y;};
  86
  87 #if HAVE_GL
  88     /*The widget class draw() override.
  89      *
  90      *The draw() function initialize Gl for another round o f drawing
  91      * then calls specialized functions for drawing each of the
  92      * entities displayed in the cube view.
  93      *
  94      */
  95     void draw();
  96 #endif /* HAVE_GL */
  97 private:
  98
  99     /*  Draw the cube boundaries
 100      *
 101      *Draw the faces of the cube using the boxv[] vertices, using
 102      * GL_LINE_LOOP for the faces. The color is \#defined by CUBECOLOR.
 103      */
 104 #if HAVE_GL
 105     void drawCube();
 106 #else
 107     void drawCube() { }
 108 #endif /* HAVE_GL */
 109
 110     float vAng,hAng;
 111     float xshift,yshift;
 112
 113
 114     float boxv0[3];float boxv1[3];
 115     float boxv2[3];float boxv3[3];
 116     float boxv4[3];float boxv5[3];
 117     float boxv6[3];float boxv7[3];
 118
 119 };
 120 #endif
 121
 122 //
 123 // End of "$Id: CubeView.h 7913 2010-11-29 18:18:27Z greg.ercolano $".
 124 //