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
  12 void
  13 Simple_Server_i::set_x_angle (CORBA::Long x)
  14 {
  15   this->window_->set_x_angle (x);
  16 }
  17
  18 void
  19 Simple_Server_i::set_y_angle (CORBA::Long y)
  20 {
  21   this->window_->set_y_angle (y);
  22 }
  23
  24 void
  25 Simple_Server_i::shutdown (void)
  26 {
  27   this->orb_->shutdown (0);
  28 }
  29
  30 // ****************************************************************
  31
  32 Simple_Window::Simple_Window (int x, int y,
  33                               int w, int h,
  34                               const char* l)
  35   :  Fl_Gl_Window (x, y, w, h, l),
  36      x_angle_ (0),
  37      y_angle_ (0)
  38 {
  39     boxv0[0] = -0.5; boxv0[1] = -0.5; boxv0[2] = -0.5;
  40     boxv1[0] =  0.5; boxv1[1] = -0.5; boxv1[2] = -0.5;
  41     boxv2[0] =  0.5; boxv2[1] =  0.5; boxv2[2] = -0.5;
  42     boxv3[0] = -0.5; boxv3[1] =  0.5; boxv3[2] = -0.5;
  43     boxv4[0] = -0.5; boxv4[1] = -0.5; boxv4[2] =  0.5;
  44     boxv5[0] =  0.5; boxv5[1] = -0.5; boxv5[2] =  0.5;
  45     boxv6[0] =  0.5; boxv6[1] =  0.5; boxv6[2] =  0.5;
  46     boxv7[0] = -0.5; boxv7[1] =  0.5; boxv7[2] =  0.5;
  47 }
  48
  49 void
  50 Simple_Window::set_x_angle (CORBA::Long x)
  51 {
  52   this->x_angle_ = x;
  53   this->redraw ();
  54 }
  55
  56 void
  57 Simple_Window::set_y_angle (CORBA::Long y)
  58 {
  59   this->y_angle_ = y;
  60   this->redraw ();
  61 }
  62
  63 void
  64 Simple_Window::draw (void)
  65 {
  66   // Based on the CubeView example in the FL toolkit.
  67
  68   if (!this->valid())
  69     {
  70       glLoadIdentity();
  71       glViewport(0, 0, this->w(), this->h());
  72       glOrtho(-2,2,-2,2,-20000,10000);
  73       glEnable(GL_BLEND);
  74       glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
  75     }
  76
  77     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  78
  79     glPushMatrix();
  80
  81     glRotatef(this->x_angle_, 0, 1, 0);
  82     glRotatef(this->y_angle_, 1, 0, 0);
  83
  84     this->draw_cube ();
  85
  86     glPopMatrix ();
  87 }
  88
  89 void
  90 Simple_Window::draw_cube (void)
  91 {
  92   const float ALPHA = 0.5;
  93
  94     glBegin(GL_QUADS);
  95       glColor4f(0.0, 0.0, 1.0, ALPHA);
  96       glVertex3fv(boxv0);
  97       glVertex3fv(boxv1);
  98       glVertex3fv(boxv2);
  99       glVertex3fv(boxv3);
 100
 101       glColor4f(1.0, 1.0, 0.0, ALPHA);
 102       glVertex3fv(boxv0);
 103       glVertex3fv(boxv4);
 104       glVertex3fv(boxv5);
 105       glVertex3fv(boxv1);
 106
 107       glColor4f(0.0, 1.0, 1.0, ALPHA);
 108       glVertex3fv(boxv2);
 109       glVertex3fv(boxv6);
 110       glVertex3fv(boxv7);
 111       glVertex3fv(boxv3);
 112
 113       glColor4f(1.0, 0.0, 0.0, ALPHA);
 114       glVertex3fv(boxv4);
 115       glVertex3fv(boxv5);
 116       glVertex3fv(boxv6);
 117       glVertex3fv(boxv7);
 118
 119       glColor4f(1.0, 0.0, 1.0, ALPHA);
 120       glVertex3fv(boxv0);
 121       glVertex3fv(boxv3);
 122       glVertex3fv(boxv7);
 123       glVertex3fv(boxv4);
 124
 125       glColor4f(0.0, 1.0, 0.0, ALPHA);
 126       glVertex3fv(boxv1);
 127       glVertex3fv(boxv5);
 128       glVertex3fv(boxv6);
 129       glVertex3fv(boxv2);
 130     glEnd();
 131
 132     glColor3f(1.0, 1.0, 1.0);
 133     glBegin(GL_LINES);
 134       glVertex3fv(boxv0);
 135       glVertex3fv(boxv1);
 136
 137       glVertex3fv(boxv1);
 138       glVertex3fv(boxv2);
 139
 140       glVertex3fv(boxv2);
 141       glVertex3fv(boxv3);
 142
 143       glVertex3fv(boxv3);
 144       glVertex3fv(boxv0);
 145
 146       glVertex3fv(boxv4);
 147       glVertex3fv(boxv5);
 148
 149       glVertex3fv(boxv5);
 150       glVertex3fv(boxv6);
 151
 152       glVertex3fv(boxv6);
 153       glVertex3fv(boxv7);
 154       glVertex3fv(boxv7);
 155       glVertex3fv(boxv4);
 156
 157       glVertex3fv(boxv0);
 158       glVertex3fv(boxv4);
 159
 160       glVertex3fv(boxv1);
 161       glVertex3fv(boxv5);
 162
 163       glVertex3fv(boxv2);
 164       glVertex3fv(boxv6);
 165
 166       glVertex3fv(boxv3);
 167       glVertex3fv(boxv7);
 168     glEnd();
 169 }
 170