DoubleBufferSimple< T > Class Template Reference

#include <doublebuffer.h>

Public Member Functions
	DoubleBufferSimple ()
	~DoubleBufferSimple ()
	DoubleBufferSimple (const DoubleBufferSimple &other)
DoubleBufferSimple &	operator= (const DoubleBufferSimple &other)
void	resize (int size)
void	write (const typename std::vector< T >::const_iterator &begin, const typename std::vector< T >::const_iterator &cend)
std::vector< T >::iterator	getCurrent () const
std::vector< T >::const_iterator	begin () const
std::vector< T >::iterator	begin ()
unsigned int	absoluteFill () const
void	reset ()
QByteArray	serialize () const
bool	deserialize (const QByteArray &data)

Private Attributes
int	m_size
std::vector< T >	m_data
std::vector< T >::iterator	m_current

Detailed Description

template<typename T>
class DoubleBufferSimple< T >

Definition at line 29 of file doublebuffer.h.

Constructor & Destructor Documentation

DoubleBufferSimple() [1/2]

template<typename T>

DoubleBufferSimple< T >::DoubleBufferSimple ( )

inline

Definition at line 32 of file doublebuffer.h.

    {
        m_size = 0;
        m_current = m_data.end();
    }

~DoubleBufferSimple()

template<typename T>

DoubleBufferSimple< T >::~DoubleBufferSimple ( )

inline

Definition at line 38 of file doublebuffer.h.

{}

DoubleBufferSimple() [2/2]

template<typename T>

DoubleBufferSimple< T >::DoubleBufferSimple ( const DoubleBufferSimple< T > &  other )

inline

Definition at line 40 of file doublebuffer.h.

    {
        m_size = other.m_size;
        m_data = other.m_data;
        m_current = m_data.begin();
    }

Member Function Documentation

absoluteFill()

template<typename T>

unsigned int DoubleBufferSimple< T >::absoluteFill ( ) const

inline

Definition at line 96 of file doublebuffer.h.

Referenced by ScopeVis::TraceBackBuffer::absoluteFill().

{ return m_current - m_data.begin(); }

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begin() [1/2]

template<typename T>

std::vector<T>::const_iterator DoubleBufferSimple< T >::begin ( ) const

inline

Definition at line 94 of file doublebuffer.h.

Referenced by ScopeVis::TraceBackBuffer::deserialize(), ScopeVis::TraceBackBuffer::serialize(), and DoubleBufferSimple< Sample >::write().

{ return m_data.begin(); }

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begin() [2/2]

template<typename T>

std::vector<T>::iterator DoubleBufferSimple< T >::begin ( )

inline

Definition at line 95 of file doublebuffer.h.

{ return m_data.begin(); }

deserialize()

template<typename T>

bool DoubleBufferSimple< T >::deserialize ( const QByteArray &  data )

inline

Definition at line 111 of file doublebuffer.h.

Referenced by ScopeVis::TraceBackBuffer::deserialize().

    {
        SimpleDeserializer d(data);

        if(!d.isValid()) {
            return false;
        }

        if (d.getVersion() == 1)
        {
            unsigned int tmpUInt;
            QByteArray buf;

            d.readS32(1, &m_size, m_data.size()/2);
            m_data.resize(2*m_size);
            d.readU32(2, &tmpUInt, 0);
            m_current = m_data.begin() + tmpUInt;
            d.readBlob(3, &buf);
            //qDebug("DoubleBufferSimple::deserialize: m_data.size(): %u buf.size(): %d", m_data.size(), buf.size());
            //std::copy(reinterpret_cast<char *>(m_data.data()), buf.data(), buf.data() + buf.size()); // bug
            memcpy(reinterpret_cast<char *>(m_data.data()), buf.data(), buf.size());

            return true;
        }
        else
        {
            return false;
        }
    }

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getCurrent()

template<typename T>

std::vector<T>::iterator DoubleBufferSimple< T >::getCurrent ( ) const

inline

Definition at line 93 of file doublebuffer.h.

Referenced by ScopeVis::TraceBackBuffer::current(), and ScopeVis::TraceBackBuffer::TraceBackBuffer().

{ return m_current + m_size; }

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operator=()

template<typename T>

DoubleBufferSimple& DoubleBufferSimple< T >::operator= ( const DoubleBufferSimple< T > &  other )

inline

Definition at line 47 of file doublebuffer.h.

    {
        if (&other == this) {
            return *this;
        }

        m_size = other.m_size;
        m_data = other.m_data;
        m_current = m_data.begin();
        return *this;
    }

reset()

template<typename T>

void DoubleBufferSimple< T >::reset ( )

inline

Definition at line 97 of file doublebuffer.h.

Referenced by ScopeVis::TraceBackBuffer::reset().

{ m_current = m_data.begin(); }

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resize()

template<typename T>

void DoubleBufferSimple< T >::resize ( int  size )

inline

Definition at line 59 of file doublebuffer.h.

Referenced by ScopeVis::TraceBackBuffer::resize().

    {
        m_size = size;
        m_data.resize(2*size);
        m_current = m_data.begin();
    }

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serialize()

template<typename T>

QByteArray DoubleBufferSimple< T >::serialize ( ) const

inline

Definition at line 99 of file doublebuffer.h.

Referenced by ScopeVis::TraceBackBuffer::serialize().

    {
        SimpleSerializer s(1);

        QByteArray buf(reinterpret_cast<const char*>(m_data.data()), m_data.size()*sizeof(T));
        s.writeS32(1, m_size);
        s.writeU32(2, m_current - m_data.begin());
        s.writeBlob(3, buf);

        return s.final();
    }

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write()

template<typename T>

void DoubleBufferSimple< T >::write ( const typename std::vector< T >::const_iterator &  begin, const typename std::vector< T >::const_iterator &  cend  )

inline

Definition at line 66 of file doublebuffer.h.

Referenced by ScopeVis::TraceBackBuffer::write().

    {
        typename std::vector<T>::const_iterator end = cend;

        if ((end - begin) > m_size)
        {
            end = begin + m_size;
        }

        int insize = end - begin;

        std::copy(begin, end, m_current);

        if (((m_current - m_data.begin()) + insize) > m_size)
        {
            int sizeLeft = m_size - (m_current - m_data.begin());
            std::copy(begin, begin + sizeLeft, m_current + m_size);
            std::copy(begin + sizeLeft, end, m_data.begin());
            m_current = m_data.begin() + (insize - sizeLeft);
        }
        else
        {
            std::copy(begin, end, m_current + m_size);
            m_current += insize;
        }
    }

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Member Data Documentation

m_current

template<typename T>

std::vector<T>::iterator DoubleBufferSimple< T >::m_current

private

Definition at line 144 of file doublebuffer.h.

Referenced by DoubleBufferSimple< Sample >::absoluteFill(), DoubleBufferSimple< Sample >::deserialize(), DoubleBufferSimple< Sample >::DoubleBufferSimple(), DoubleBufferSimple< Sample >::getCurrent(), DoubleBufferSimple< Sample >::operator=(), DoubleBufferSimple< Sample >::reset(), DoubleBufferSimple< Sample >::resize(), DoubleBufferSimple< Sample >::serialize(), and DoubleBufferSimple< Sample >::write().

m_data

template<typename T>

std::vector<T> DoubleBufferSimple< T >::m_data

private

Definition at line 143 of file doublebuffer.h.

Referenced by DoubleBufferSimple< Sample >::absoluteFill(), DoubleBufferSimple< Sample >::begin(), DoubleBufferSimple< Sample >::deserialize(), DoubleBufferSimple< Sample >::DoubleBufferSimple(), DoubleBufferSimple< Sample >::operator=(), DoubleBufferSimple< Sample >::reset(), DoubleBufferSimple< Sample >::resize(), DoubleBufferSimple< Sample >::serialize(), and DoubleBufferSimple< Sample >::write().

m_size

template<typename T>

int DoubleBufferSimple< T >::m_size

private

Definition at line 142 of file doublebuffer.h.

Referenced by DoubleBufferSimple< Sample >::deserialize(), DoubleBufferSimple< Sample >::DoubleBufferSimple(), DoubleBufferSimple< Sample >::getCurrent(), DoubleBufferSimple< Sample >::operator=(), DoubleBufferSimple< Sample >::resize(), DoubleBufferSimple< Sample >::serialize(), and DoubleBufferSimple< Sample >::write().

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

• sdrbase/util/doublebuffer.h