X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=polygon.cc;h=35bbd9cbe0c429aab6ba7bd5eff0d7dc6a089123;hb=599bf3fa2eb01b05ec677b628e65adb2fe4f91c3;hp=4068919f64fe79a98698347fe7e1cb485216ca78;hpb=b7ccc22341ca20668e98bad96c3d10ea77a47cc2;p=universe.git

diff --git a/polygon.cc b/polygon.cc
index 4068919..35bbd9c 100644
--- a/polygon.cc
+++ b/polygon.cc
@@ -2,9 +2,13 @@
 // Written and (C) by Francois Fleuret
 // Contact <francois.fleuret@idiap.ch> for comments & bug reports
 
+#include <iostream>
+
 #include <cmath>
 #include "polygon.h"
 
+using namespace std;
+
 static const scalar_t dl = 20.0;
 static const scalar_t repulsion_constant = 0.2;
 static const scalar_t dissipation = 0.5;
@@ -47,6 +51,7 @@ Polygon *Polygon::clone() {
   return new Polygon(_mass, _red, _green, _blue, _relative_x, _relative_y, _nb_vertices);
 }
 
+#ifdef XFIG_SUPPORT
 void Polygon::color_xfig(XFigTracer *tracer) {
   tracer->add_color(int(255 * _red), int(255 * _green), int(255 * _blue));
 }
@@ -55,6 +60,7 @@ void Polygon::print_xfig(XFigTracer *tracer) {
   tracer->draw_polygon(int(255 * _red), int(255 * _green), int(255 * _blue),
                        _nb_vertices, _x, _y);
 }
+#endif
 
 #ifdef X11_SUPPORT
 void Polygon::draw(SimpleWindow *window) {