awesome-widgets/sources/awesomewidgets/graphicalitemhelper.h
Evgeniy Alekseev e5a9e99438 Replace yahoo finance to stooq (#131)
Old code is dropped to separated provider
2017-12-15 02:01:34 +03:00

63 lines
2.5 KiB
C++

/***************************************************************************
* This file is part of awesome-widgets *
* *
* awesome-widgets 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 3 of the *
* License, or (at your option) any later version. *
* *
* awesome-widgets 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 awesome-widgets. If not, see http://www.gnu.org/licenses/ *
***************************************************************************/
#ifndef GRAPHICALITEMHELPER_H
#define GRAPHICALITEMHELPER_H
#include <QColor>
#include <QObject>
#include <QPen>
class QGraphicsScene;
class GraphicalItemHelper : public QObject
{
Q_OBJECT
public:
explicit GraphicalItemHelper(QObject *_parent = nullptr, QGraphicsScene *_scene = nullptr);
virtual ~GraphicalItemHelper();
// parameters
void setParameters(const QString &_active, const QString &_inactive, const int _width,
const int _height, const int _count);
// paint methods
void paintBars(const float _value);
void paintCircle(const float _percent);
void paintGraph(const float _value);
void paintHorizontal(const float _percent);
void paintVertical(const float _percent);
// additional conversion methods
float getPercents(const float _value, const float _min, const float _max);
bool isColor(const QString &_input);
QColor stringToColor(const QString &_color);
private:
void storeValue(const float _value);
QGraphicsScene *m_scene = nullptr;
int m_count = 100;
QPen m_activePen;
QPen m_inactivePen;
int m_width = 100;
int m_height = 100;
// list of values which will be used to store data for graph type only
QList<float> m_values;
};
#endif /* GRAPHICALITEMHELPER_H */