QDataBuffer< Type > Class Template Reference

#include <qdatabuffer_p.h>

Public Functions
void	add (const Type &t)
Type &	at (int i)
const Type &	at (int i) const
Type *	data () const
Type &	first ()
const Type &	first () const
bool	isEmpty () const
Type &	last ()
const Type &	last () const
QDataBuffer &	operator<< (const Type &t)
void	pop_back ()
	QDataBuffer (int res)
void	reserve (int size)
void	reset ()
void	resize (int size)
void	shrink (int size)
int	size () const
void	swap (QDataBuffer< Type > &other)
	~QDataBuffer ()

Properties
Type *	buffer
int	capacity
int	siz

Detailed Description

template<typename Type>
class QDataBuffer< Type >

Definition at line 60 of file qdatabuffer_p.h.

Constructors and Destructors

QDataBuffer()

template<typename Type>

QDataBuffer< Type >::QDataBuffer ( int  res )

inline

Definition at line 63 of file qdatabuffer_p.h.

    {
        capacity = res;
        if (res)
            buffer = (Type*) qMalloc(capacity * sizeof(Type));
        else
            buffer = 0;
        siz = 0;
    }

~QDataBuffer()

template<typename Type>

QDataBuffer< Type >::~QDataBuffer ( )

inline

Definition at line 73 of file qdatabuffer_p.h.

    {
        if (buffer)
            qFree(buffer);
    }

Functions

add()

template<typename Type>

void QDataBuffer< Type >::add ( const Type &  t )

inline

Definition at line 93 of file qdatabuffer_p.h.

Referenced by QGL2PEXVertexArray::addCentroid(), QGL2PEXVertexArray::addClosingLine(), QGL2PEXVertexArray::addPath(), QPolygonClipper< qt_float_point, qt_float_point, float >::clipPolygon(), QTriangulatingStroker::emitLineSegment(), QTriangulatingStroker::endCap(), QTriangulatingStroker::endCapOrJoinClosed(), QIntersectionFinder::hasIntersections(), QTriangulatingStroker::join(), QOutlineMapper::lineTo(), QGL2PEXVertexArray::lineToArray(), QTriangulatingStroker::moveTo(), QDataBuffer< GLfloat >::operator<<(), and QOpenGLPaintEnginePrivate::updateDepthClip().

                                   {
        reserve(siz + 1);
        buffer[siz] = t;
        ++siz;
    }

at() [1/2]

template<typename Type>

Type& QDataBuffer< Type >::at ( int  i )

inline

Definition at line 86 of file qdatabuffer_p.h.

Referenced by QGL2PEXVertexArray::addClosingLine(), QPolygonClipper< qt_float_point, qt_float_point, float >::clipPolygon(), QOutlineMapper::closeSubpath(), QTriangulatingStroker::endCap(), QTriangulatingStroker::endCapOrJoinClosed(), QOutlineMapper::endOutline(), QWingedEdge::insert(), QTriangulatingStroker::join(), QPathSegments::lineAt(), QPathSegments::mergePoints(), QTriangulator< T >::SimpleToMonotone::monotoneDecomposition(), QTriangulatingStroker::moveTo(), QSubpathForwardIterator::next(), QSubpathBackwardIterator::next(), QSubpathFlatIterator::next(), QTriangulator< T >::ComplexToSimple::Event::operator<(), and QPathSegments::pointAt().

{ Q_ASSERT(i >= 0 && i < siz); return buffer[i]; }

at() [2/2]

template<typename Type>

const Type& QDataBuffer< Type >::at ( int  i ) const

inline

Definition at line 87 of file qdatabuffer_p.h.

{ Q_ASSERT(i >= 0 && i < siz); return buffer[i]; }

data()

template<typename Type>

Type* QDataBuffer< Type >::data ( ) const

inline

Definition at line 84 of file qdatabuffer_p.h.

Referenced by QPolygonClipper< qt_float_point, qt_float_point, float >::clipPolygon(), QOutlineMapper::convertElements(), QOutlineMapper::convertPath(), QOutlineMapper::elementTypes(), QOutlineMapper::endOutline(), QGL2PaintEngineExPrivate::transferMode(), and QTriangulatingStroker::vertices().

{ return buffer; }

first() [1/2]

template<typename Type>

Type& QDataBuffer< Type >::first ( )

inline

Definition at line 90 of file qdatabuffer_p.h.

{ Q_ASSERT(!isEmpty()); return buffer[0]; }

first() [2/2]

template<typename Type>

const Type& QDataBuffer< Type >::first ( ) const

inline

Definition at line 91 of file qdatabuffer_p.h.

{ Q_ASSERT(!isEmpty()); return buffer[0]; }

isEmpty()

template<typename Type>

bool QDataBuffer< Type >::isEmpty ( ) const

inline

Definition at line 81 of file qdatabuffer_p.h.

Referenced by QDataBuffer< GLfloat >::first(), QWingedEdge::insert(), QDataBuffer< GLfloat >::last(), and QTriangulator< T >::ComplexToSimple::Event::operator<().

{ return siz==0; }

last() [1/2]

template<typename Type>

Type& QDataBuffer< Type >::last ( )

inline

Definition at line 88 of file qdatabuffer_p.h.

Referenced by QGL2PEXVertexArray::addClosingLine(), QWingedEdge::insert(), and QTriangulator< T >::SimpleToMonotone::monotoneDecomposition().

{ Q_ASSERT(!isEmpty()); return buffer[siz-1]; }

last() [2/2]

template<typename Type>

const Type& QDataBuffer< Type >::last ( ) const

inline

Definition at line 89 of file qdatabuffer_p.h.

{ Q_ASSERT(!isEmpty()); return buffer[siz-1]; }

operator<<()

template<typename Type>

QDataBuffer& QDataBuffer< Type >::operator<< ( const Type &  t )

inline

Definition at line 135 of file qdatabuffer_p.h.

{ add(t); return *this; }

pop_back()

template<typename Type>

void QDataBuffer< Type >::pop_back ( )

inline

Definition at line 99 of file qdatabuffer_p.h.

                           {
        Q_ASSERT(siz > 0);
        --siz;
    }

reserve()

template<typename Type>

void QDataBuffer< Type >::reserve ( int  size )

inline

Definition at line 109 of file qdatabuffer_p.h.

Referenced by QDataBuffer< GLfloat >::add(), QDashedStrokeProcessor::process(), and QDataBuffer< GLfloat >::resize().

                                  {
        if (size > capacity) {
            if (capacity == 0)
                capacity = 1;
            while (capacity < size)
                capacity *= 2;
            buffer = (Type*) qRealloc(buffer, capacity * sizeof(Type));
        }
    }

reset()

template<typename Type>

void QDataBuffer< Type >::reset ( )

inline

Definition at line 79 of file qdatabuffer_p.h.

Referenced by QOutlineMapper::beginOutline(), QGL2PEXVertexArray::clear(), QPolygonClipper< qt_float_point, qt_float_point, float >::clipPolygon(), QTriangulator< T >::MonotoneToTriangles::decompose(), QWingedEdge::intersectAndAdd(), QTriangulatingStroker::process(), and QDashedStrokeProcessor::process().

{ siz = 0; }

resize()

template<typename Type>

void QDataBuffer< Type >::resize ( int  size )

inline

Definition at line 104 of file qdatabuffer_p.h.

Referenced by QOutlineMapper::convertPath(), QTriangulatingStroker::moveTo(), QTriangulator< T >::ComplexToSimple::removeUnusedPoints(), and QTriangulator< T >::SimpleToMonotone::removeZeroLengthEdges().

                                 {
        reserve(size);
        siz = size;
    }

shrink()

template<typename Type>

void QDataBuffer< Type >::shrink ( int  size )

inline

Definition at line 119 of file qdatabuffer_p.h.

                                 {
        capacity = size;
        if (size)
            buffer = (Type*) qRealloc(buffer, capacity * sizeof(Type));
        else {
            qFree(buffer);
            buffer = 0;
        }
    }

size()

template<typename Type>

int QDataBuffer< Type >::size ( ) const

inline

Definition at line 83 of file qdatabuffer_p.h.

Referenced by QWingedEdge::addEdge(), QGL2PEXVertexArray::addPath(), QPathSegments::addPoint(), QPolygonClipper< qt_float_point, qt_float_point, float >::clipPolygon(), QOutlineMapper::closeSubpath(), QOutlineMapper::convertElements(), QTriangulator< T >::MonotoneToTriangles::decompose(), QOutlineMapper::elementTypes(), QTriangulatingStroker::endCap(), QTriangulatingStroker::endCapOrJoinClosed(), QOutlineMapper::endOutline(), QSubpathForwardIterator::hasNext(), QSubpathFlatIterator::hasNext(), QWingedEdge::insert(), QTriangulatingStroker::join(), QPathSegments::mergePoints(), QTriangulator< T >::SimpleToMonotone::monotoneDecomposition(), QTriangulatingStroker::moveTo(), QOutlineMapper::moveTo(), QSubpathBackwardIterator::next(), QTriangulator< T >::ComplexToSimple::Event::operator<(), QPathSegments::points(), QDataBuffer< GLfloat >::resize(), QDataBuffer< GLfloat >::shrink(), and QTriangulatingStroker::vertexCount().

{ return siz; }

swap()

template<typename Type>

void QDataBuffer< Type >::swap ( QDataBuffer< Type > &  other )

inline

Definition at line 129 of file qdatabuffer_p.h.

                                               {
        qSwap(capacity, other.capacity);
        qSwap(siz, other.siz);
        qSwap(buffer, other.buffer);
    }

Properties

buffer

template<typename Type>

Type* QDataBuffer< Type >::buffer

private

Definition at line 140 of file qdatabuffer_p.h.

Referenced by QDataBuffer< GLfloat >::add(), QDataBuffer< GLfloat >::at(), QDataBuffer< GLfloat >::data(), QDataBuffer< GLfloat >::first(), QDataBuffer< GLfloat >::last(), QDataBuffer< GLfloat >::QDataBuffer(), QDataBuffer< GLfloat >::reserve(), QDataBuffer< GLfloat >::shrink(), QDataBuffer< GLfloat >::swap(), and QDataBuffer< GLfloat >::~QDataBuffer().

capacity

template<typename Type>

int QDataBuffer< Type >::capacity

private

Definition at line 138 of file qdatabuffer_p.h.

Referenced by QDataBuffer< GLfloat >::QDataBuffer(), QDataBuffer< GLfloat >::reserve(), QDataBuffer< GLfloat >::shrink(), and QDataBuffer< GLfloat >::swap().

siz

template<typename Type>

int QDataBuffer< Type >::siz

private

Definition at line 139 of file qdatabuffer_p.h.

Referenced by QDataBuffer< GLfloat >::add(), QDataBuffer< GLfloat >::at(), QDataBuffer< GLfloat >::isEmpty(), QDataBuffer< GLfloat >::last(), QDataBuffer< GLfloat >::pop_back(), QDataBuffer< GLfloat >::QDataBuffer(), QDataBuffer< GLfloat >::reset(), QDataBuffer< GLfloat >::resize(), QDataBuffer< GLfloat >::size(), and QDataBuffer< GLfloat >::swap().

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

• /src/gui/painting/qdatabuffer_p.h