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//////////////////////////////////////////////////////////////////////
// plotter.h: interface for the CPlotter class.
//
// History:
// 2010-09-15 Initial creation MSW
// 2011-03-27 Initial release
/////////////////////////////////////////////////////////////////////
#ifndef PLOTTER_H
#define PLOTTER_H
#include <QtGui>
#include <QFrame>
#include <QImage>
#include "interface/sdrinterface.h"
#define VERT_DIVS 14 //specify grid screen divisions
#define HORZ_DIVS 10
#define MAX_TXT 128
class CPlotter : public QFrame
{
Q_OBJECT
public:
explicit CPlotter(QWidget *parent = 0);
~CPlotter();
QSize minimumSizeHint() const;
QSize sizeHint() const;
void SetSdrInterface(CSdrInterface* ptr){m_pSdrInterface = ptr;}
void draw(); //call to draw new fft data onto screen plot
void SetRunningState(bool running){m_Running = running;}
void SetClickResolution(int clickres){m_ClickResolution=clickres;}
void SetFilterClickResolution(int clickres){m_FilterClickResolution=clickres;}
void SetPercent2DScreen(int percent){m_Percent2DScreen=percent; m_Size = QSize(0,0);resizeEvent(NULL);}
void SetCenterFreq(quint64 f){m_CenterFreq=f;}
void SetDemodCenterFreq(quint64 f){m_DemodCenterFreq=f;}
void SetHiLowCutFrequencies(int LowCut, int HiCut){m_DemodLowCutFreq = LowCut; m_DemodHiCutFreq = HiCut;}
void SetDemodRanges(int FLowCmin, int FLowCmax, int FHiCmin, int FHiCmax, bool symetric);
void SetSpanFreq(quint32 s){m_Span=(qint32)s;}
void SetMaxdB(int max){m_MaxdB=max;}
void SetADOverload(bool ADOverLoad){m_ADOverLoad = ADOverLoad;m_ADOverloadOneShotCounter=0;}
void SetdBStepSize(int stepsz){m_dBStepSize=stepsz;}
void EnableCurText(bool enable){m_UseCursorText=enable;}
void UpdateOverlay(){DrawOverlay();}
char m_RdsCall[MAX_TXT];
char m_RdsText[MAX_TXT];
signals:
void NewCenterFreq(qint64 f);
void NewDemodFreq(qint64 f);
void NewLowCutFreq(int f);
void NewHighCutFreq(int f);
public slots:
protected:
//re-implemented widget event handlers
void paintEvent(QPaintEvent *event);
void resizeEvent(QResizeEvent* event);
void mouseMoveEvent(QMouseEvent * event);
void mousePressEvent(QMouseEvent * event);
void mouseReleaseEvent(QMouseEvent * event);
void wheelEvent( QWheelEvent * event );
private:
enum eCapturetype {
NONE,
LEFT,
CENTER,
RIGHT
};
void DrawOverlay();
void MakeFrequencyStrs();
int XfromFreq(qint64 freq);
qint64 FreqfromX(int x);
qint64 RoundFreq(qint64 freq, int resolution);
bool IsPointCloseTo(int x, int xr, int delta){return ((x > (xr-delta) ) && ( x<(xr+delta)) );}
void ClampDemodParameters();
void DisplayCursorFreq(QPoint pt, qint64 freq);
eCapturetype m_CursorCaptured;
QPixmap m_2DPixmap;
QPixmap m_OverlayPixmap;
QPixmap m_WaterfallPixmap;
QColor m_ColorTbl[256];
QSize m_Size;
QString m_Str;
QString m_HDivText[HORZ_DIVS+1];
bool m_Running;
bool m_ADOverLoad;
bool m_UseCursorText;
qint64 m_CenterFreq;
qint64 m_DemodCenterFreq;
int m_DemodHiCutFreq;
int m_DemodLowCutFreq;
int m_DemodFreqX; //screen coordinate x position
int m_DemodHiCutFreqX; //screen coordinate x position
int m_DemodLowCutFreqX; //screen coordinate x position
int m_CursorCaptureDelta;
int m_GrabPosition;
int m_Percent2DScreen;
int m_ADOverloadOneShotCounter;
int m_FLowCmin;
int m_FLowCmax;
int m_FHiCmin;
int m_FHiCmax;
bool m_symetric;
qint32 m_Span;
qint32 m_MaxdB;
qint32 m_MindB;
qint32 m_dBStepSize;
qint32 m_FreqUnits;
int m_ClickResolution;
int m_FilterClickResolution;
quint32 m_LastSampleRate;
CSdrInterface* m_pSdrInterface;
};
#endif // PLOTTER_H
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