TAO/tests/FL_Cube/test_i.cpp

   1 #include "test_i.h"
   2 #include <GL/gl.h>
   3
   4 Simple_Server_i::Simple_Server_i (CORBA::ORB_ptr orb,
   5                                   Simple_Window *window)
   6   :  orb_ (CORBA::ORB::_duplicate (orb)),
   7      window_ (window)
   8 {
   9 }
  10
  11 void
  12 Simple_Server_i::set_x_angle (CORBA::Long x)
  13 {
  14   this->window_->set_x_angle (x);
  15 }
  16
  17 void
  18 Simple_Server_i::set_y_angle (CORBA::Long y)
  19 {
  20   this->window_->set_y_angle (y);
  21 }
  22
  23 void
  24 Simple_Server_i::shutdown ()
  25 {
  26   this->orb_->shutdown (false);
  27 }
  28
  29 // ****************************************************************
  30
  31 Simple_Window::Simple_Window (int x, int y,
  32                               int w, int h,
  33                               const char* l)
  34   :  Fl_Gl_Window (x, y, w, h, l),
  35      x_angle_ (0),
  36      y_angle_ (0)
  37 {
  38     boxv0[0] = -0.5; boxv0[1] = -0.5; boxv0[2] = -0.5;
  39     boxv1[0] =  0.5; boxv1[1] = -0.5; boxv1[2] = -0.5;
  40     boxv2[0] =  0.5; boxv2[1] =  0.5; boxv2[2] = -0.5;
  41     boxv3[0] = -0.5; boxv3[1] =  0.5; boxv3[2] = -0.5;
  42     boxv4[0] = -0.5; boxv4[1] = -0.5; boxv4[2] =  0.5;
  43     boxv5[0] =  0.5; boxv5[1] = -0.5; boxv5[2] =  0.5;
  44     boxv6[0] =  0.5; boxv6[1] =  0.5; boxv6[2] =  0.5;
  45     boxv7[0] = -0.5; boxv7[1] =  0.5; boxv7[2] =  0.5;
  46 }
  47
  48 void
  49 Simple_Window::set_x_angle (CORBA::Long x)
  50 {
  51   this->x_angle_ = x;
  52   this->redraw ();
  53 }
  54
  55 void
  56 Simple_Window::set_y_angle (CORBA::Long y)
  57 {
  58   this->y_angle_ = y;
  59   this->redraw ();
  60 }
  61
  62 void
  63 Simple_Window::draw ()
  64 {
  65   // Based on the CubeView example in the FL toolkit.
  66
  67   if (!this->valid())
  68     {
  69       glLoadIdentity();
  70       glViewport(0, 0, this->w(), this->h());
  71       glOrtho(-2,2,-2,2,-20000,10000);
  72       glEnable(GL_BLEND);
  73       glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
  74     }
  75
  76     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  77
  78     glPushMatrix();
  79
  80     glRotatef(this->x_angle_, 0, 1, 0);
  81     glRotatef(this->y_angle_, 1, 0, 0);
  82
  83     this->draw_cube ();
  84
  85     glPopMatrix ();
  86 }
  87
  88 void
  89 Simple_Window::draw_cube ()
  90 {
  91   const float ALPHA = 0.5;
  92
  93     glBegin(GL_QUADS);
  94       glColor4f(0.0, 0.0, 1.0, ALPHA);
  95       glVertex3fv(boxv0);
  96       glVertex3fv(boxv1);
  97       glVertex3fv(boxv2);
  98       glVertex3fv(boxv3);
  99
 100       glColor4f(1.0, 1.0, 0.0, ALPHA);
 101       glVertex3fv(boxv0);
 102       glVertex3fv(boxv4);
 103       glVertex3fv(boxv5);
 104       glVertex3fv(boxv1);
 105
 106       glColor4f(0.0, 1.0, 1.0, ALPHA);
 107       glVertex3fv(boxv2);
 108       glVertex3fv(boxv6);
 109       glVertex3fv(boxv7);
 110       glVertex3fv(boxv3);
 111
 112       glColor4f(1.0, 0.0, 0.0, ALPHA);
 113       glVertex3fv(boxv4);
 114       glVertex3fv(boxv5);
 115       glVertex3fv(boxv6);
 116       glVertex3fv(boxv7);
 117
 118       glColor4f(1.0, 0.0, 1.0, ALPHA);
 119       glVertex3fv(boxv0);
 120       glVertex3fv(boxv3);
 121       glVertex3fv(boxv7);
 122       glVertex3fv(boxv4);
 123
 124       glColor4f(0.0, 1.0, 0.0, ALPHA);
 125       glVertex3fv(boxv1);
 126       glVertex3fv(boxv5);
 127       glVertex3fv(boxv6);
 128       glVertex3fv(boxv2);
 129     glEnd();
 130
 131     glColor3f(1.0, 1.0, 1.0);
 132     glBegin(GL_LINES);
 133       glVertex3fv(boxv0);
 134       glVertex3fv(boxv1);
 135
 136       glVertex3fv(boxv1);
 137       glVertex3fv(boxv2);
 138
 139       glVertex3fv(boxv2);
 140       glVertex3fv(boxv3);
 141
 142       glVertex3fv(boxv3);
 143       glVertex3fv(boxv0);
 144
 145       glVertex3fv(boxv4);
 146       glVertex3fv(boxv5);
 147
 148       glVertex3fv(boxv5);
 149       glVertex3fv(boxv6);
 150
 151       glVertex3fv(boxv6);
 152       glVertex3fv(boxv7);
 153       glVertex3fv(boxv7);
 154       glVertex3fv(boxv4);
 155
 156       glVertex3fv(boxv0);
 157       glVertex3fv(boxv4);
 158
 159       glVertex3fv(boxv1);
 160       glVertex3fv(boxv5);
 161
 162       glVertex3fv(boxv2);
 163       glVertex3fv(boxv6);
 164
 165       glVertex3fv(boxv3);
 166       glVertex3fv(boxv7);
 167     glEnd();
 168 }
 169