mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-17 13:51:47 -05:00
98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
|
|
// written by Christian Daniel //
|
|
// //
|
|
// 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 as version 3 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 V3 for more details. //
|
|
// //
|
|
// You should have received a copy of the GNU General Public License //
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef INCLUDE_SCALEENGINE_H
|
|
#define INCLUDE_SCALEENGINE_H
|
|
|
|
#include <QFont>
|
|
#include <QString>
|
|
#include <QList>
|
|
#include "dsp/physicalunit.h"
|
|
#include "export.h"
|
|
|
|
class SDRGUI_API ScaleEngine {
|
|
public:
|
|
struct Tick {
|
|
float pos;
|
|
bool major;
|
|
float textPos;
|
|
float textSize;
|
|
QString text;
|
|
};
|
|
typedef QList<Tick> TickList;
|
|
|
|
ScaleEngine();
|
|
|
|
void setOrientation(Qt::Orientation orientation);
|
|
void setFont(const QFont& font);
|
|
void setSize(float size);
|
|
float getSize() { return m_size; }
|
|
void setRange(Unit::Physical physicalUnit, float rangeMin, float rangeMax);
|
|
float getRange() const { return m_rangeMax - m_rangeMin; }
|
|
float getRangeMin() const { return m_rangeMin; }
|
|
float getRangeMax() const { return m_rangeMax; }
|
|
void setMakeOpposite(bool makeOpposite) { m_makeOpposite = makeOpposite; }
|
|
void setFixedDecimalPlaces(int decimalPlaces) { m_fixedDecimalPlaces =decimalPlaces; }
|
|
|
|
float getPosFromValue(double value);
|
|
float getValueFromPos(double pos);
|
|
const TickList& getTickList();
|
|
|
|
QString getRangeMinStr();
|
|
QString getRangeMaxStr();
|
|
|
|
float getScaleWidth();
|
|
|
|
private:
|
|
// base configuration
|
|
Qt::Orientation m_orientation;
|
|
QFont m_font;
|
|
float m_charSize;
|
|
|
|
// graph configuration
|
|
float m_size;
|
|
Unit::Physical m_physicalUnit;
|
|
float m_rangeMin;
|
|
float m_rangeMax;
|
|
|
|
// calculated values
|
|
bool m_recalc;
|
|
double m_scale;
|
|
QString m_unitStr;
|
|
TickList m_tickList;
|
|
double m_majorTickValueDistance;
|
|
double m_firstMajorTickValue;
|
|
int m_numMinorTicks;
|
|
int m_decimalPlaces;
|
|
int m_fixedDecimalPlaces;
|
|
bool m_makeOpposite; // will show -value instead of value
|
|
|
|
QString formatTick(double value, int decimalPlaces);
|
|
void calcCharSize();
|
|
void calcScaleFactor();
|
|
double calcMajorTickUnits(double distance, int* retDecimalPlaces);
|
|
int calcTickTextSize(double distance);
|
|
void forceTwoTicks();
|
|
void reCalc();
|
|
|
|
double majorTickValue(int tick);
|
|
double minorTickValue(int tick);
|
|
};
|
|
|
|
#endif // INCLUDE_SCALEENGINE_H
|