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qBittorrent/src/gui/properties/downloadedpiecesbar.h
Vladimir Golovnev (Glassez) ff9a281b72 Change project directory structure.
Change project directory structure according to application structure.
Change 'nox' configuration option to something more meaningful 'nogui'.
Rename 'Icons' folder to 'icons' (similar to other folders).
Partially add 'nowebui' option support.
Remove QConf project file.
2015-02-05 19:10:26 +03:00

88 lines
2.9 KiB
C++

/*
* Bittorrent Client using Qt4 and libtorrent.
* Copyright (C) 2006 Christophe Dumez
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* Contact : chris@qbittorrent.org
*/
#ifndef DOWNLOADEDPIECESBAR_H
#define DOWNLOADEDPIECESBAR_H
#include <QWidget>
#include <QPainter>
#include <QImage>
#include <cmath>
#include <libtorrent/bitfield.hpp>
#define BAR_HEIGHT 18
class DownloadedPiecesBar: public QWidget {
Q_OBJECT
Q_DISABLE_COPY(DownloadedPiecesBar)
private:
QImage image;
// I used values, bacause it should be possible to change colors in runtime
// background color
int bg_color;
// border color
int border_color;
// complete piece color
int piece_color;
// incomplete piece color
int piece_color_dl;
// buffered 256 levels gradient from bg_color to piece_color
std::vector<int> piece_colors;
// last used bitfields, uses to better resize redraw
// TODO: make a diff pieces to new pieces and update only changed pixels, speedup when update > 20x faster
libtorrent::bitfield pieces;
libtorrent::bitfield pieces_dl;
// scale bitfield vector to float vector
std::vector<float> bitfieldToFloatVector(const libtorrent::bitfield &vecin, int reqSize);
// mix two colors by light model, ratio <0, 1>
int mixTwoColors(int &rgb1, int &rgb2, float ratio);
// draw new image and replace actual image
void updateImage();
public:
DownloadedPiecesBar(QWidget *parent);
void setProgress(const libtorrent::bitfield &bf, const libtorrent::bitfield &bf_dl);
void updatePieceColors();
void clear();
void setColors(int background, int border, int complete, int incomplete);
protected:
void paintEvent(QPaintEvent *);
};
#endif // DOWNLOADEDPIECESBAR_H