60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
/*
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Copyright (C) 2007 Paul Davis
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Author: Dave Robillard
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "diamond.h"
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using namespace Gnome::Canvas;
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using namespace Gnome::Art;
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Diamond::Diamond(Group& group, double height)
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: Polygon(group)
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{
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points = gnome_canvas_points_new (4);
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g_object_set (gobj(), "points", points, NULL);
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set_height (height);
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}
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Diamond::~Diamond ()
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{
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gnome_canvas_points_free (points);
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}
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void
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Diamond::set_height(double height)
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{
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double x1, y1, x2, y2;
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get_bounds (x1, y1, x2, y2);
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points->coords[0] = x1;
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points->coords[1] = y1 + height*2.0;
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points->coords[2] = x2 + height;
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points->coords[3] = y1 + height;
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points->coords[4] = x1;
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points->coords[5] = y2;
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points->coords[6] = x2 -height;
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points->coords[7] = y2 + height;
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g_object_set (gobj(), "points", points, NULL);
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}
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