Update.

[universe.git] / universe.cc

diff --git a/universe.cc b/universe.cc
index 4549461..92b7a1b 100644 (file)
--- a/universe.cc
+++ b/universe.cc
@@ -1,22 +1,13 @@
 
-////////////////////////////////////////////////////////////////////////////////
-// This program is free software; you can redistribute it and/or              //
-// modify it under the terms of the GNU General Public License                //
-// version 2 as published by the Free Software Foundation.                    //
-//                                                                            //
-// This program is distributed in the hope that it will be useful, but        //
-// WITHOUT ANY WARRANTY; without even the implied warranty of                 //
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU          //
-// General Public License for more details.                                   //
-//                                                                            //
-// Written and (C) by François Fleuret                                        //
-// Contact <francois.fleuret@epfl.ch> for comments & bug reports              //
-////////////////////////////////////////////////////////////////////////////////
+// Written and (C) by Francois Fleuret
+// Contact <francois.fleuret@idiap.ch> for comments & bug reports
+
+#include <string.h>
 
 #include "universe.h"
 
 Universe::Universe(int nb_max_polygons,
-                   scalar_t xmax, scalar_t ymax) : _xmax(xmax), _ymax(ymax),
+                   scalar_t width, scalar_t height) : _width(width), _height(height),
                                                    _nb_max_polygons(nb_max_polygons), _nb_polygons(0) {
   _polygons = new Polygon *[_nb_max_polygons];
   for(int n = 0; n < _nb_max_polygons; n++) _polygons[n] = 0;
@@ -44,7 +35,7 @@ void Universe::add_polygon(Polygon *p) {
     }
     _polygons[_nb_polygons++] = p;
   } else {
-    cerr << "To many polygons!" << endl;
+    cerr << "Too many polygons!" << endl;
     exit(1);
   }
 }
@@ -113,7 +104,7 @@ bool Universe::update(scalar_t dt) {
   bool result = false;
   apply_collision_forces(dt);
   for(int n = 0; n < _nb_polygons; n++) if(_polygons[n]) {
-    _polygons[n]->apply_border_forces(dt, _xmax, _ymax);
+    _polygons[n]->apply_border_forces(dt, _width, _height);
     result |= _polygons[n]->update(dt);
   }
   return result;
@@ -125,23 +116,50 @@ Polygon *Universe::pick_polygon(scalar_t x, scalar_t y) {
   return 0;
 }
 
-void Universe::print_fig(ostream &os) {
-  os << "#FIG 3.2" << endl;
-  os << "Portrait" << endl;
-  os << "Center" << endl;
-  os << "Metric" << endl;
-  os << "A4      " << endl;
-  os << "100.00" << endl;
-  os << "Single" << endl;
-  os << "-2" << endl;
-  os << "1200 2" << endl;
-  for(int n = 0; n < _nb_polygons; n++) if(_polygons[n]) _polygons[n]->print_fig(os);
+void Universe::print_xfig(XFigTracer *tracer) {
+  for(int n = 0; n < _nb_polygons; n++) {
+    if(_polygons[n]) {
+      _polygons[n]->color_xfig(tracer);
+    }
+  }
+  for(int n = 0; n < _nb_polygons; n++) {
+    if(_polygons[n]) {
+      _polygons[n]->print_xfig(tracer);
+    }
+  }
 }
 
+#ifdef X11_SUPPORT
 void Universe::draw(SimpleWindow *window) {
-  for(int n = 0; n < _nb_polygons; n++) if(_polygons[n]) _polygons[n]->draw(window);
-  for(int n = 0; n < _nb_polygons; n++) if(_polygons[n]) _polygons[n]->draw_contours(window);
+  for(int n = 0; n < _nb_polygons; n++) {
+    if(_polygons[n]) {
+      _polygons[n]->draw(window);
+    }
+  }
+
+  for(int n = 0; n < _nb_polygons; n++) {
+    if(_polygons[n]) {
+      _polygons[n]->draw_contours(window);
+    }
+  }
+}
+#endif
+
+#ifdef CAIRO_SUPPORT
+void Universe::draw(cairo_t *context_resource) {
+  for(int n = 0; n < _nb_polygons; n++) {
+    if(_polygons[n]) {
+      _polygons[n]->draw(context_resource);
+    }
+  }
+
+  for(int n = 0; n < _nb_polygons; n++) {
+    if(_polygons[n]) {
+      _polygons[n]->draw_contours(context_resource);
+    }
+  }
 }
+#endif
 
 void Universe::apply_collision_forces(scalar_t dt) {
   const int nb_axis = 2;