void
CanvasHit::move_event(double dx, double dy)
{
- move (dx, dy);
-
-#if 0
- cerr << "Move event by " << dx << " " << dy << endl;
-
- points->coords[0] += dx;
- points->coords[1] += dy;
-
- points->coords[2] += dx;
- points->coords[3] += dy;
-
- points->coords[4] += dx;
- points->coords[5] += dy;
-
- points->coords[6] += dx;
- points->coords[7] += dy;
-
- cerr << "Coords now " << endl
- << '\t' << points->coords[0] << ", " << points->coords[1] << endl
- << '\t' << points->coords[2] << ", " << points->coords[3] << endl
- << '\t' << points->coords[4] << ", " << points->coords[5] << endl
- << '\t' << points->coords[6] << ", " << points->coords[7] << endl
- ;
-
- if (_text) {
- _text->property_x() = _text->property_x() + dx;
- _text->property_y() = _text->property_y() + dy;
- }
-
- hide ();
- show ();
- // request_update ();
-#endif
+ move_by (dx, dy);
}
} // namespace Gnome
Diamond::Diamond(Group& group, double height)
: Polygon(group)
+ , _x (0)
+ , _y (0)
+ , _h (height)
{
points = gnome_canvas_points_new (4);
g_object_set (gobj(), "points", points, NULL);
- set_height (height);
+ move_to (0, 0);
}
Diamond::~Diamond ()
}
void
-Diamond::set_height(double height)
+Diamond::set_height (double height)
{
- double x1, y1, x2, y2;
-
- get_bounds (x1, y1, x2, y2);
+ _h = height;
+ move_to (_x, _y);
+}
+
+void
+Diamond::move_to (double x, double y)
+{
+ _x = x;
+ _y = y;
- points->coords[0] = x1;
- points->coords[1] = y1 + height*2.0;
+ points->coords[0] = _x;
+ points->coords[1] = _y + (_h * 2.0);
- points->coords[2] = x2 + height;
- points->coords[3] = y1 + height;
+ points->coords[2] = _x + _h;
+ points->coords[3] = _y + _h;
- points->coords[4] = x1;
- points->coords[5] = y2;
-
- points->coords[6] = x2 -height;
- points->coords[7] = y2 + height;
+ points->coords[4] = _x;
+ points->coords[5] = _y;
+ points->coords[6] = _x - _h;
+ points->coords[7] = _y + _h;
+
g_object_set (gobj(), "points", points, NULL);
}
+void
+Diamond::move_by (double dx, double dy)
+{
+ points->coords[0] += dx;
+ points->coords[1] += dy;
+
+ points->coords[2] += dx;
+ points->coords[3] += dy;
+
+ points->coords[4] += dx;
+ points->coords[5] += dy;
+
+ points->coords[6] += dx;
+ points->coords[7] += dy;
+
+ g_object_set (gobj(), "points", points, NULL);
+}