src/gui/properties/pieceavailabilitybar.h

   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     Q_OBJECT
  36     Q_DISABLE_COPY_MOVE(PieceAvailabilityBar)
  37
  38     using base = PiecesBar;
  39
  40 public:
  41     PieceAvailabilityBar(QWidget *parent);
  42
  43     void setAvailability(const QVector<int> &avail);
  44
  45     // PiecesBar interface
  46     void clear() override;
  47
  48 private:
  49     bool updateImage(QImage &image) override;
  50     QString simpleToolTipText() const override;
  51
  52     // last used int vector, uses to better resize redraw
  53     // TODO: make a diff pieces to new pieces and update only changed pixels, speedup when update > 20x faster
  54     QVector<int> m_pieces;
  55
  56     // scale int vector to float vector
  57     QVector<float> intToFloatVector(const QVector<int> &vecin, int reqSize);
  58 };