ScopeVisXY Class Reference

#include <scopevisxy.h>

Inheritance diagram for ScopeVisXY:

Collaboration diagram for ScopeVisXY:

Public Member Functions
	ScopeVisXY (TVScreen *tvScreen)
virtual	~ScopeVisXY ()
virtual void	feed (const SampleVector::const_iterator &begin, const SampleVector::const_iterator &end, bool positiveOnly)
virtual void	start ()
virtual void	stop ()
virtual bool	handleMessage (const Message &message)
	Processing of a message. Returns true if message has actually been processed. More...
void	setScale (float scale)
void	setStroke (int stroke)
void	setDecay (int decay)
void	setPixelsPerFrame (int pixelsPerFrame)
void	setPlotRGB (const QRgb &plotRGB)
void	setGridRGB (const QRgb &gridRGB)
void	addGraticulePoint (const std::complex< float > &z)
void	calculateGraticule (int rows, int cols)
void	clearGraticule ()
Public Member Functions inherited from BasebandSampleSink
	BasebandSampleSink ()
virtual	~BasebandSampleSink ()
MessageQueue *	getInputMessageQueue ()
	Get the queue for asynchronous inbound communication. More...
virtual void	setMessageQueueToGUI (MessageQueue *queue)
MessageQueue *	getMessageQueueToGUI ()

Private Member Functions
void	drawGraticule ()

Private Attributes
TVScreen *	m_tvScreen
float	m_scale
int	m_cols
int	m_rows
int	m_pixelsPerFrame
int	m_pixelCount
int	m_alphaTrace
	this is the stroke value [0:255] More...
int	m_alphaReset
	alpha channel of screen blanking (blackening) is 255 minus decay value [0:255] More...
QRgb	m_plotRGB
QRgb	m_gridRGB
std::vector< std::complex< float > >	m_graticule
std::vector< int >	m_graticuleRows
std::vector< int >	m_graticuleCols

Additional Inherited Members
Protected Slots inherited from BasebandSampleSink
void	handleInputMessages ()
Protected Attributes inherited from BasebandSampleSink
MessageQueue	m_inputMessageQueue
	Queue for asynchronous inbound communication. More...
MessageQueue *	m_guiMessageQueue
	Input message queue to the GUI. More...

Detailed Description

Definition at line 32 of file scopevisxy.h.

Constructor & Destructor Documentation

ScopeVisXY()

ScopeVisXY::ScopeVisXY

(

TVScreen *

tvScreen

)

Definition at line 25 of file scopevisxy.cpp.

References m_pixelsPerFrame, m_tvScreen, TVScreen::setAlphaBlend(), and setPixelsPerFrame().

                                         :
    m_tvScreen(tvScreen),
    m_scale(1.0),
    m_cols(0),
    m_rows(0),
    m_pixelsPerFrame(480),
    m_pixelCount(0),
    m_alphaTrace(128),
    m_alphaReset(128),
    m_plotRGB(qRgb(0, 255, 0)),
    m_gridRGB(qRgb(255, 255 ,255))
{
    setObjectName("ScopeVisXY");
    setPixelsPerFrame(m_pixelsPerFrame);
    m_tvScreen->setAlphaBlend(true);
}

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~ScopeVisXY()

ScopeVisXY::~ScopeVisXY ( )

virtual

Definition at line 42 of file scopevisxy.cpp.

{
}

Member Function Documentation

addGraticulePoint()

void ScopeVisXY::addGraticulePoint

(

const std::complex< float > &

z

)

Definition at line 111 of file scopevisxy.cpp.

References m_graticule.

Referenced by DSDDemodGUI::DSDDemodGUI().

                                                             {
    m_graticule.push_back(z);
}

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calculateGraticule()

void ScopeVisXY::calculateGraticule	(	int	rows,
		int	cols
	)

Definition at line 119 of file scopevisxy.cpp.

References m_graticule, m_graticuleCols, and m_graticuleRows.

Referenced by DSDDemodGUI::DSDDemodGUI(), and feed().

{
    m_graticuleRows.clear();
    m_graticuleCols.clear();

    std::vector<std::complex<float> >::const_iterator grIt = m_graticule.begin();

    for (; grIt != m_graticule.end(); ++grIt)
    {
        int y = rows * ((1.0 - grIt->imag()) / 2.0);
        int x = cols * ((1.0 + grIt->real()) / 2.0);

        for (int d = -4; d <= 4; ++d)
        {
            m_graticuleRows.push_back(y+d);
            m_graticuleCols.push_back(x);
            m_graticuleRows.push_back(y);
            m_graticuleCols.push_back(x+d);
        }
    }
}

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clearGraticule()

void ScopeVisXY::clearGraticule

(

)

Definition at line 115 of file scopevisxy.cpp.

References m_graticule.

                                {
    m_graticule.clear();
}

drawGraticule()

void ScopeVisXY::drawGraticule ( )

private

Definition at line 141 of file scopevisxy.cpp.

References m_graticuleCols, m_graticuleRows, m_gridRGB, m_tvScreen, TVScreen::selectRow(), and TVScreen::setDataColor().

Referenced by feed().

{
    std::vector<int>::const_iterator rowIt = m_graticuleRows.begin();
    std::vector<int>::const_iterator colIt = m_graticuleCols.begin();

    for(; (rowIt != m_graticuleRows.end()) && (colIt != m_graticuleCols.end()); ++rowIt, ++colIt)
    {
        m_tvScreen->selectRow(*rowIt);
        m_tvScreen->setDataColor(*colIt, qRed(m_gridRGB), qGreen(m_gridRGB), qBlue(m_gridRGB));
    }
}

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feed()

void ScopeVisXY::feed ( const SampleVector::const_iterator &  begin, const SampleVector::const_iterator &  end, bool  positiveOnly  )

virtual

Implements BasebandSampleSink.

Definition at line 53 of file scopevisxy.cpp.

References calculateGraticule(), drawGraticule(), TVScreen::getSize(), m_alphaReset, m_alphaTrace, m_cols, m_pixelCount, m_pixelsPerFrame, m_plotRGB, m_rows, m_scale, m_tvScreen, TVScreen::renderImage(), TVScreen::resetImage(), SDR_RX_SCALEF, TVScreen::selectRow(), and TVScreen::setDataColor().

{
    (void) positiveOnly;
    SampleVector::const_iterator begin(cbegin);

    while (begin < end)
    {
        float x = m_scale * (begin->m_real/SDR_RX_SCALEF);
        float y = m_scale * (begin->m_imag/SDR_RX_SCALEF);

        int row = m_rows * ((1.0 - y) / 2.0);
        int col = m_cols * ((1.0 + x) / 2.0);

        row = row < 0 ? 0 : row >= m_rows ? m_rows-1 : row;
        col = col < 0 ? 0 : col >= m_cols ? m_cols-1 : col;

        m_tvScreen->selectRow(row);
        m_tvScreen->setDataColor(col, qRed(m_plotRGB), qGreen(m_plotRGB), qBlue(m_plotRGB), m_alphaTrace);

        ++begin;
        m_pixelCount++;

        if (m_pixelCount == m_pixelsPerFrame)
        {
            int rows, cols;
            m_tvScreen->getSize(rows, cols);

            if ((rows != m_rows) || (cols != m_cols))
            {
                calculateGraticule(rows, cols);
                m_rows = rows;
                m_cols = cols;
            }

            m_tvScreen->renderImage(0);
            m_tvScreen->update();
            std::this_thread::sleep_for(std::chrono::microseconds(5000));
            m_tvScreen->resetImage(m_alphaReset);
            drawGraticule();
            m_pixelCount = 0;
        }
    }
}

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handleMessage()

bool ScopeVisXY::handleMessage ( const Message &  cmd )

virtual

Processing of a message. Returns true if message has actually been processed.

Implements BasebandSampleSink.

Definition at line 105 of file scopevisxy.cpp.

{
    (void) message;
    return false;
}

setDecay()

void ScopeVisXY::setDecay ( int  decay )

inline

Definition at line 44 of file scopevisxy.h.

Referenced by DSDDemodGUI::displaySettings(), and DSDDemodGUI::on_traceDecay_valueChanged().

{ m_alphaReset = 255 - decay; }

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setGridRGB()

void ScopeVisXY::setGridRGB ( const QRgb &  gridRGB )

inline

Definition at line 48 of file scopevisxy.h.

Referenced by DSDDemodGUI::DSDDemodGUI().

{ m_gridRGB = gridRGB; }

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setPixelsPerFrame()

void ScopeVisXY::setPixelsPerFrame

(

int

pixelsPerFrame

)

Definition at line 46 of file scopevisxy.cpp.

References m_pixelCount, m_pixelsPerFrame, m_tvScreen, and TVScreen::setAlphaReset().

Referenced by DSDDemodGUI::displaySettings(), DSDDemodGUI::DSDDemodGUI(), DSDDemodGUI::on_traceLength_valueChanged(), and ScopeVisXY().

{
   m_pixelsPerFrame = pixelsPerFrame;
   m_pixelCount = 0;
   m_tvScreen->setAlphaReset();
}

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setPlotRGB()

void ScopeVisXY::setPlotRGB ( const QRgb &  plotRGB )

inline

Definition at line 47 of file scopevisxy.h.

Referenced by DSDDemodGUI::DSDDemodGUI().

{ m_plotRGB = plotRGB; }

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setScale()

void ScopeVisXY::setScale ( float  scale )

inline

Definition at line 42 of file scopevisxy.h.

Referenced by DSDDemodGUI::DSDDemodGUI().

{ m_scale = scale; }

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setStroke()

void ScopeVisXY::setStroke ( int  stroke )

inline

Definition at line 43 of file scopevisxy.h.

Referenced by DSDDemodGUI::displaySettings(), and DSDDemodGUI::on_traceStroke_valueChanged().

{ m_alphaTrace = stroke; }

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start()

void ScopeVisXY::start ( )

virtual

Implements BasebandSampleSink.

Definition at line 97 of file scopevisxy.cpp.

{
}

stop()

void ScopeVisXY::stop ( )

virtual

Implements BasebandSampleSink.

Definition at line 101 of file scopevisxy.cpp.

{
}

Member Data Documentation

m_alphaReset

int ScopeVisXY::m_alphaReset

private

alpha channel of screen blanking (blackening) is 255 minus decay value [0:255]

Definition at line 64 of file scopevisxy.h.

Referenced by feed().

m_alphaTrace

int ScopeVisXY::m_alphaTrace

private

this is the stroke value [0:255]

Definition at line 63 of file scopevisxy.h.

Referenced by feed().

m_cols

int ScopeVisXY::m_cols

private

Definition at line 59 of file scopevisxy.h.

Referenced by feed().

m_graticule

std::vector<std::complex<float> > ScopeVisXY::m_graticule

private

Definition at line 67 of file scopevisxy.h.

Referenced by addGraticulePoint(), calculateGraticule(), and clearGraticule().

m_graticuleCols

std::vector<int> ScopeVisXY::m_graticuleCols

private

Definition at line 69 of file scopevisxy.h.

Referenced by calculateGraticule(), and drawGraticule().

m_graticuleRows

std::vector<int> ScopeVisXY::m_graticuleRows

private

Definition at line 68 of file scopevisxy.h.

Referenced by calculateGraticule(), and drawGraticule().

m_gridRGB

QRgb ScopeVisXY::m_gridRGB

private

Definition at line 66 of file scopevisxy.h.

Referenced by drawGraticule().

m_pixelCount

int ScopeVisXY::m_pixelCount

private

Definition at line 62 of file scopevisxy.h.

Referenced by feed(), and setPixelsPerFrame().

m_pixelsPerFrame

int ScopeVisXY::m_pixelsPerFrame

private

Definition at line 61 of file scopevisxy.h.

Referenced by feed(), ScopeVisXY(), and setPixelsPerFrame().

m_plotRGB

QRgb ScopeVisXY::m_plotRGB

private

Definition at line 65 of file scopevisxy.h.

Referenced by feed().

m_rows

int ScopeVisXY::m_rows

private

Definition at line 60 of file scopevisxy.h.

Referenced by feed().

m_scale

float ScopeVisXY::m_scale

private

Definition at line 58 of file scopevisxy.h.

Referenced by feed().

m_tvScreen

TVScreen* ScopeVisXY::m_tvScreen

private

Definition at line 57 of file scopevisxy.h.

Referenced by drawGraticule(), feed(), ScopeVisXY(), and setPixelsPerFrame().

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The documentation for this class was generated from the following files:

• sdrgui/dsp/scopevisxy.h
• sdrgui/dsp/scopevisxy.cpp