qBittorrent
pieceavailabilitybar.h
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1 /*
2  * Bittorrent Client using Qt and libtorrent.
3  * Copyright (C) 2006 Christophe Dumez <chris@qbittorrent.org>
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  *
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.
14  *
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  *
19  * In addition, as a special exception, the copyright holders give permission to
20  * link this program with the OpenSSL project's "OpenSSL" library (or with
21  * modified versions of it that use the same license as the "OpenSSL" library),
22  * and distribute the linked executables. You must obey the GNU General Public
23  * License in all respects for all of the code used other than "OpenSSL". If you
24  * modify file(s), you may extend this exception to your version of the file(s),
25  * but you are not obligated to do so. If you do not wish to do so, delete this
26  * exception statement from your version.
27  */
28 
29 #pragma once
30 
31 #include "piecesbar.h"
32 
33 class PieceAvailabilityBar final : public PiecesBar
34 {
35  using base = PiecesBar;
36  Q_OBJECT
37  Q_DISABLE_COPY_MOVE(PieceAvailabilityBar)
38 
39 public:
40  PieceAvailabilityBar(QWidget *parent);
41 
42  void setAvailability(const QVector<int> &avail);
43 
44  // PiecesBar interface
45  void clear() override;
46 
47 private:
48  bool updateImage(QImage &image) override;
49  QString simpleToolTipText() const override;
50 
51  // last used int vector, uses to better resize redraw
52  // TODO: make a diff pieces to new pieces and update only changed pixels, speedup when update > 20x faster
53  QVector<int> m_pieces;
54 
55  // scale int vector to float vector
56  QVector<float> intToFloatVector(const QVector<int> &vecin, int reqSize);
57 };
PieceAvailabilityBar(QWidget *parent)
void setAvailability(const QVector< int > &avail)
QString simpleToolTipText() const override
QVector< float > intToFloatVector(const QVector< int > &vecin, int reqSize)
bool updateImage(QImage &image) override
PiecesBar(QWidget *parent=nullptr)
Definition: piecesbar.cpp:113