return new Polygon(_mass, _red, _green, _blue, _relative_x, _relative_y, _nb_vertices);
}
-void Polygon::print_fig(ostream &os) {
- os << "2 2 0 1 0 7 50 -1 20 0.000 0 0 -1 0 0 " << _nb_vertices + 1 << endl;
- os << " ";
- for(int n = 0; n < _nb_vertices; n++) os << " " << int(_x[n]*10) << " " << int(_y[n]*10);
- os << " " << int(_x[0]*10) << " " << int(_y[0]*10);
- os << endl;
+#ifdef XFIG_SUPPORT
+void Polygon::color_xfig(XFigTracer *tracer) {
+ tracer->add_color(int(255 * _red), int(255 * _green), int(255 * _blue));
}
+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) {
window->color(_red, _green, _blue);
int x[_nb_vertices], y[_nb_vertices];
y[n] = int(_y[n]);
}
window->color(0.0, 0.0, 0.0);
- for(int n = 0; n < _nb_vertices; n++)
+ // window->color(1.0, 1.0, 1.0);
+ for(int n = 0; n < _nb_vertices; n++) {
window->draw_line(x[n], y[n], x[(n+1)%_nb_vertices], y[(n+1)%_nb_vertices]);
+ }
+}
+#endif
+
+void Polygon::draw(Canvas *canvas) {
+ canvas->set_drawing_color(_red, _green, _blue);
+ canvas->draw_polygon(1, _nb_vertices, _x, _y);
+}
+
+void Polygon::draw_contours(Canvas *canvas) {
+ canvas->set_drawing_color(0.0, 0.0, 0.0);
+ canvas->draw_polygon(0, _nb_vertices, _x, _y);
}
void Polygon::set_vertex(int k, scalar_t x, scalar_t y) {
_relative_x[index[(k+1)%nb]] - _relative_x[index[m]],
_relative_y[index[(k+1)%nb]] - _relative_y[index[m]]);
- if(a1 * a2 > 0 && best_split < 0 || (abs(a1 - a2) < best_split)) {
+ if((a1 * a2 > 0 && best_split < 0) || (abs(a1 - a2) < best_split)) {
best_n = n; best_m = m;
best_split = abs(a1 - a2);
}
_nb_polygons = nb_polygons;
- a = _relative_x[_nb_vertices - 1] * _relative_y[0] - _relative_x[0] * _relative_y[_nb_vertices - 1];
+ a = _relative_x[_nb_vertices - 1] * _relative_y[0]
+ - _relative_x[0] * _relative_y[_nb_vertices - 1];
+
for(int n = 0; n < _nb_vertices - 1; n++)
a += _relative_x[n] * _relative_y[n+1] - _relative_x[n+1] * _relative_y[n];
a *= 0.5;
return false;
}
-