QTessellatorPrivate::Vertices Struct Reference

Public Types
enum	{ default_alloc = 128 }

Public Functions
void	done ()
void	init (int maxVertices)
Vertex *	next (Vertex *v)
const Vertex *	next (const Vertex *v) const
int	nextPos (const Vertex *v) const
Vertex *	operator[] (int i)
const Vertex *	operator[] (int i) const
int	position (const Vertex *v) const
Vertex *	prev (Vertex *v)
const Vertex *	prev (const Vertex *v) const
int	prevPos (const Vertex *v) const
	Vertices ()
	~Vertices ()

Public Variables
int	allocated
int	nPoints
Vertex **	sorted
Vertex *	storage

Detailed Description

Definition at line 175 of file qtessellator.cpp.

Enumerations

anonymous enum

anonymous enum

Enumerator
default_alloc

Definition at line 176 of file qtessellator.cpp.

{ default_alloc = 128 };

Constructors and Destructors

Vertices()

QTessellatorPrivate::Vertices::Vertices

(

)

Definition at line 549 of file qtessellator.cpp.

{
    storage = 0;
    sorted = 0;
    allocated = 0;
    nPoints = 0;
}

~Vertices()

QTessellatorPrivate::Vertices::~Vertices

(

)

Definition at line 557 of file qtessellator.cpp.

{
    if (storage) {
        free(storage);
        free(sorted);
    }
}

Functions

done()

void QTessellatorPrivate::Vertices::done

(

)

Definition at line 575 of file qtessellator.cpp.

{
    if (allocated > default_alloc) {
        free(storage);
        free(sorted);
        storage = 0;
        sorted = 0;
        allocated = 0;
    }
}

init()

void QTessellatorPrivate::Vertices::init

(

int

maxVertices

)

Definition at line 565 of file qtessellator.cpp.

{
    if (!storage || maxVertices > allocated) {
        int size = qMax((int)default_alloc, maxVertices);
        storage = q_check_ptr((Vertex *)realloc(storage, size*sizeof(Vertex)));
        sorted = q_check_ptr((Vertex **)realloc(sorted, size*sizeof(Vertex *)));
        allocated = maxVertices;
    }
}

next() [1/2]

Vertex* QTessellatorPrivate::Vertices::next ( Vertex *  v )

inline

Definition at line 189 of file qtessellator.cpp.

Referenced by QTessellatorPrivate::addEdges(), QTessellatorPrivate::cancelCoincidingEdges(), QTessellatorPrivate::Edge::Edge(), and fillTrapezoid().

                                {
            ++v;
            if (v == storage + nPoints)
                v = storage;
            return v;
        }

next() [2/2]

const Vertex* QTessellatorPrivate::Vertices::next ( const Vertex *  v ) const

inline

Definition at line 195 of file qtessellator.cpp.

                                                  {
            ++v;
            if (v == storage + nPoints)
                v = storage;
            return v;
        }

nextPos()

int QTessellatorPrivate::Vertices::nextPos ( const Vertex *  v ) const

inline

Definition at line 201 of file qtessellator.cpp.

Referenced by QTessellatorPrivate::addIntersection().

                                           {
            ++v;
            if (v == storage + nPoints)
                return 0;
            return v - storage;
        }

operator[]() [1/2]

Vertex* QTessellatorPrivate::Vertices::operator[] ( int  i )

inline

Definition at line 184 of file qtessellator.cpp.

{ return storage + i; }

operator[]() [2/2]

const Vertex* QTessellatorPrivate::Vertices::operator[] ( int  i ) const

inline

Definition at line 185 of file qtessellator.cpp.

{ return storage + i; }

position()

int QTessellatorPrivate::Vertices::position ( const Vertex *  v ) const

inline

Definition at line 186 of file qtessellator.cpp.

Referenced by QTessellatorPrivate::addEdges(), and QTessellatorPrivate::removeEdges().

                                            {
            return v - storage;
        }

prev() [1/2]

Vertex* QTessellatorPrivate::Vertices::prev ( Vertex *  v )

inline

Definition at line 207 of file qtessellator.cpp.

Referenced by QTessellatorPrivate::cancelCoincidingEdges().

                                {
            if (v == storage)
                v = storage + nPoints;
            --v;
            return v;
        }

prev() [2/2]

const Vertex* QTessellatorPrivate::Vertices::prev ( const Vertex *  v ) const

inline

Definition at line 213 of file qtessellator.cpp.

                                                  {
            if (v == storage)
                v = storage + nPoints;
            --v;
            return v;
        }

prevPos()

int QTessellatorPrivate::Vertices::prevPos ( const Vertex *  v ) const

inline

Definition at line 219 of file qtessellator.cpp.

Referenced by QTessellatorPrivate::addEdges(), QTessellatorPrivate::addIntersection(), and QTessellatorPrivate::removeEdges().

                                           {
            if (v == storage)
                v = storage + nPoints;
            --v;
            return v - storage;
        }

Properties

allocated

int QTessellatorPrivate::Vertices::allocated

Definition at line 226 of file qtessellator.cpp.

nPoints

int QTessellatorPrivate::Vertices::nPoints

Definition at line 225 of file qtessellator.cpp.

Referenced by QTessellatorPrivate::addEdges(), QTessellatorPrivate::cancelCoincidingEdges(), QTessellatorPrivate::collectAndSortVertices(), and QTessellatorPrivate::removeEdges().

sorted

Vertex** QTessellatorPrivate::Vertices::sorted

Definition at line 182 of file qtessellator.cpp.

Referenced by QTessellatorPrivate::addEdges(), QTessellatorPrivate::cancelCoincidingEdges(), QTessellatorPrivate::collectAndSortVertices(), and QTessellatorPrivate::removeEdges().

storage

Vertex* QTessellatorPrivate::Vertices::storage

Definition at line 181 of file qtessellator.cpp.

Referenced by QTessellatorPrivate::collectAndSortVertices().

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

• /src/gui/painting/qtessellator.cpp