1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License version 2 as
5 * published by the Free Software Foundation;
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
15 *
16 * Author: John Abraham <john.abraham.in@gmail.com>
17 */
18
19 #include "graphpacket.h"
20 #include "packetsview.h"
21 #include "logqt.h"
22
23 namespace netanim {
24 #define PI 3.14159265
25
26 NS_LOG_COMPONENT_DEFINE ("GraphPacket");
27
GraphPacket(QPointF fromNodePos,QPointF toNodePos)28 GraphPacket::GraphPacket (QPointF fromNodePos, QPointF toNodePos):
29 m_fromNodePos (fromNodePos),
30 m_toNodePos (toNodePos)
31 {
32 QLineF l (fromNodePos, toNodePos);
33 setLine (l);
34 setFlags (QGraphicsItem::ItemIsSelectable);
35 QPen p = pen();
36 p.setColor (Qt::blue);
37 p.setWidthF (1.5);
38 setPen(p);
39 }
40
41
42 void
paint(QPainter * painter,const QStyleOptionGraphicsItem * option,QWidget * widget)43 GraphPacket::paint (QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
44 {
45
46 painter->save();
47 QPen p;
48 p.setColor (Qt::black);
49 painter->setPen (p);
50 painter->translate (line().p2());
51 qreal angle = PI/4;
52 qreal mag = 9;
53 painter->rotate (360 - line().angle ());
54 painter->drawLine(0, 0, -mag * cos (angle), mag * sin (angle));
55 painter->drawLine(0, 0, -mag * cos (angle), -mag * sin (angle));
56 painter->restore ();
57 QGraphicsLineItem::paint(painter, option, widget);
58
59 }
60
61 }
62