Add a couple of missing attach_buffers() calls after _ports has been changed. I...
[ardour2.git] / gtk2_ardour / diamond.cc
blob4ed7fa9ebc7a071c65899c2f4fb8661a5a81d1e5
1 /*
2 Copyright (C) 2007 Paul Davis
3 Author: David Robillard
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "diamond.h"
22 using namespace Gnome::Canvas;
23 using namespace Gnome::Art;
25 Diamond::Diamond(Group& group, double height)
26 : Polygon(group)
27 , _x (0)
28 , _y (0)
29 , _h (height)
31 points = gnome_canvas_points_new (4);
32 move_to (0, 0);
35 Diamond::~Diamond ()
37 gnome_canvas_points_free (points);
40 void
41 Diamond::set_height (double height)
43 _h = height;
44 move_to (_x, _y);
47 void
48 Diamond::move_to (double x, double y)
50 _x = x;
51 _y = y;
53 points->coords[0] = _x;
54 points->coords[1] = _y + (_h * 2.0);
56 points->coords[2] = _x + _h;
57 points->coords[3] = _y + _h;
59 points->coords[4] = _x;
60 points->coords[5] = _y;
62 points->coords[6] = _x - _h;
63 points->coords[7] = _y + _h;
65 g_object_set (gobj(), "points", points, NULL);
68 void
69 Diamond::move_by (double dx, double dy)
71 points->coords[0] += dx;
72 points->coords[1] += dy;
74 points->coords[2] += dx;
75 points->coords[3] += dy;
77 points->coords[4] += dx;
78 points->coords[5] += dy;
80 points->coords[6] += dx;
81 points->coords[7] += dy;
83 g_object_set (gobj(), "points", points, NULL);