QPolygonF¶

Synopsis¶

Functions¶

def __add__ (l)
def __eq__ (v)
def __iadd__ (t)
def __mul__ (, m)
def __mul__ (, m)
def __ne__ (v)
def alignOfTypedData ()
def append (t)
def at (i)
def boundingRect ()
def capacity ()
def clear ()
def constData ()
def contains (t)
def containsPoint (pt, fillRule)
def count ()
def count (t)
def data ()
def detach_helper ()
def empty ()
def endsWith (t)
def erase (abegin, aend)
def fill (t[, size=-1])
def first ()
def front ()
def indexOf (t[, from=0])
def insert (before, n, t)
def insert (i, n, t)
def insert (i, t)
def intersected (r)
def isClosed ()
def isEmpty ()
def isSharedWith (other)
def last ()
def lastIndexOf (t[, from=-1])
def mid (pos[, length=-1])
def operator[] (i)
def pop_back ()
def pop_front ()
def prepend (t)
def push_back (t)
def push_front (t)
def realloc (size, alloc)
def remove (i)
def remove (i, n)
def replace (i, t)
def reserve (size)
def resize (size)
def setSharable (sharable)
def size ()
def sizeOfTypedData ()
def squeeze ()
def startsWith (t)
def subtracted (r)
def swap (other)
def toList ()
def toPolygon ()
def translate (dx, dy)
def translate (offset)
def translated (dx, dy)
def translated (offset)
def united (r)
def value (i)
def value (i, defaultValue)

Static functions¶

def fromList (list)

Detailed Description¶

The PySide.QtGui.QPolygonF class provides a vector of points using floating point precision.

A PySide.QtGui.QPolygonF is a QVector < PySide.QtCore.QPointF >. The easiest way to add points to a PySide.QtGui.QPolygonF is to use its streaming operator, as illustrated below:
polygon = QPolygonF()
polygon << QPointF(10.4, 20.5) << QPointF(20.2, 30.2)
In addition to the functions provided by QVector , PySide.QtGui.QPolygonF provides the PySide.QtGui.QPolygonF.boundingRect() and PySide.QtGui.QPolygonF.translate() functions for geometry operations. Use the QMatrix.map() function for more general transformations of QPolygonFs.

PySide.QtGui.QPolygonF also provides the PySide.QtGui.QPolygonF.isClosed() function to determine whether a polygon’s start and end points are the same, and the PySide.QtGui.QPolygonF.toPolygon() function returning an integer precision copy of this polygon.

The PySide.QtGui.QPolygonF class is implicitly shared .

See also

QVector PySide.QtGui.QPolygon PySide.QtCore.QLineF

class PySide.QtGui.QPolygonF¶

class PySide.QtGui.QPolygonF(a)

class PySide.QtGui.QPolygonF(r)

class PySide.QtGui.QPolygonF(v)

class PySide.QtGui.QPolygonF(size)

Parameters:	size – `PySide.QtCore.int` a – `PySide.QtGui.QPolygon` r – `PySide.QtCore.QRectF` v –

Constructs a polygon with no points.

See also

QVector.isEmpty()

Constructs a float based polygon from the specified integer based polygon .

See also

PySide.QtGui.QPolygonF.toPolygon()

Constructs a copy of the given polygon .

Constructs a closed polygon from the specified rectangle .

The polygon contains the four vertices of the rectangle in clockwise order starting and ending with the top-left vertex.

See also

PySide.QtGui.QPolygonF.isClosed()

Constructs a polygon of the given size . Creates an empty polygon if size == 0.

See also

QVector.isEmpty()

PySide.QtGui.QPolygonF.alignOfTypedData()¶

Return type:	`PySide.QtCore.int`

PySide.QtGui.QPolygonF.append(t)¶

Parameters:	t – `PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.at(i)¶

Parameters:	i – `PySide.QtCore.int`
Return type:	`PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.boundingRect()¶

Return type:	`PySide.QtCore.QRectF`

Returns the bounding rectangle of the polygon, or PySide.QtCore.QRectF (0,0,0,0) if the polygon is empty.

See also

QVector.isEmpty()

PySide.QtGui.QPolygonF.capacity()¶

Return type:	`PySide.QtCore.int`

PySide.QtGui.QPolygonF.clear()¶

PySide.QtGui.QPolygonF.constData()¶

Return type:	`PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.contains(t)¶

Parameters:	t – `PySide.QtCore.QPointF`
Return type:	`PySide.QtCore.bool`

PySide.QtGui.QPolygonF.containsPoint(pt, fillRule)¶

Parameters:	pt – `PySide.QtCore.QPointF` fillRule – `PySide.QtCore.Qt.FillRule`
Return type:	`PySide.QtCore.bool`

PySide.QtGui.QPolygonF.count(t)¶

Parameters:	t – `PySide.QtCore.QPointF`
Return type:	`PySide.QtCore.int`

PySide.QtGui.QPolygonF.count()

Return type:	`PySide.QtCore.int`

PySide.QtGui.QPolygonF.data()¶

Return type:	`PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.detach_helper()¶

PySide.QtGui.QPolygonF.empty()¶

Return type:	`PySide.QtCore.bool`

PySide.QtGui.QPolygonF.endsWith(t)¶

Parameters:	t – `PySide.QtCore.QPointF`
Return type:	`PySide.QtCore.bool`

PySide.QtGui.QPolygonF.erase(abegin, aend)¶

Parameters:	abegin – `PySide.QtCore.QPointF` aend – `PySide.QtCore.QPointF`
Return type:	`PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.fill(t[, size=-1])¶

Parameters:	t – `PySide.QtCore.QPointF` size – `PySide.QtCore.int`
Return type:

PySide.QtGui.QPolygonF.first()¶

Return type:	`PySide.QtCore.QPointF`

static PySide.QtGui.QPolygonF.fromList(list)¶

Parameters:	list –
Return type:

PySide.QtGui.QPolygonF.front()¶

Return type:	`PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.indexOf(t[, from=0])¶

Parameters:	t – `PySide.QtCore.QPointF` from – `PySide.QtCore.int`
Return type:	`PySide.QtCore.int`

PySide.QtGui.QPolygonF.insert(i, n, t)¶

Parameters:	i – `PySide.QtCore.int` n – `PySide.QtCore.int` t – `PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.insert(i, t)

Parameters:	i – `PySide.QtCore.int` t – `PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.insert(before, n, t)

Parameters:	before – `PySide.QtCore.QPointF` n – `PySide.QtCore.int` t – `PySide.QtCore.QPointF`
Return type:	`PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.intersected(r)¶

Parameters:	r – `PySide.QtGui.QPolygonF`
Return type:	`PySide.QtGui.QPolygonF`

Returns a polygon which is the intersection of this polygon and r .

Set operations on polygons will treat the polygons as areas. Non-closed polygons will be treated as implicitly closed.

PySide.QtGui.QPolygonF.isClosed()¶

Return type:	`PySide.QtCore.bool`

Returns true if the polygon is closed; otherwise returns false.

A polygon is said to be closed if its start point and end point are equal.

See also

QVector.first() QVector.last()

PySide.QtGui.QPolygonF.isEmpty()¶

Return type:	`PySide.QtCore.bool`

PySide.QtGui.QPolygonF.isSharedWith(other)¶

Parameters:	other –
Return type:	`PySide.QtCore.bool`

PySide.QtGui.QPolygonF.last()¶

Return type:	`PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.lastIndexOf(t[, from=-1])¶

Parameters:	t – `PySide.QtCore.QPointF` from – `PySide.QtCore.int`
Return type:	`PySide.QtCore.int`

PySide.QtGui.QPolygonF.mid(pos[, length=-1])¶

Parameters:	pos – `PySide.QtCore.int` length – `PySide.QtCore.int`
Return type:

PySide.QtGui.QPolygonF.__ne__(v)¶

Parameters:	v –
Return type:	`PySide.QtCore.bool`

PySide.QtGui.QPolygonF.__mul__(m)¶

Parameters:	m – `PySide.QtGui.QMatrix`
Return type:	`PySide.QtGui.QPolygonF`

PySide.QtGui.QPolygonF.__mul__(m)

Parameters:	m – `PySide.QtGui.QTransform`
Return type:	`PySide.QtGui.QPolygonF`

PySide.QtGui.QPolygonF.__add__(l)¶

Parameters:	l –
Return type:

PySide.QtGui.QPolygonF.__iadd__(t)¶

Parameters:	t – `PySide.QtCore.QPointF`
Return type:

PySide.QtGui.QPolygonF.__eq__(v)¶

Parameters:	v –
Return type:	`PySide.QtCore.bool`

PySide.QtGui.QPolygonF.operator[](i)

Parameters:	i – `PySide.QtCore.int`
Return type:	`PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.pop_back()¶

PySide.QtGui.QPolygonF.pop_front()¶

PySide.QtGui.QPolygonF.prepend(t)¶

Parameters:	t – `PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.push_back(t)¶

Parameters:	t – `PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.push_front(t)¶

Parameters:	t – `PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.realloc(size, alloc)¶

Parameters:	size – `PySide.QtCore.int` alloc – `PySide.QtCore.int`

PySide.QtGui.QPolygonF.remove(i, n)¶

Parameters:	i – `PySide.QtCore.int` n – `PySide.QtCore.int`

PySide.QtGui.QPolygonF.remove(i)

Parameters:	i – `PySide.QtCore.int`

PySide.QtGui.QPolygonF.replace(i, t)¶

Parameters:	i – `PySide.QtCore.int` t – `PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.reserve(size)¶

Parameters:	size – `PySide.QtCore.int`

PySide.QtGui.QPolygonF.resize(size)¶

Parameters:	size – `PySide.QtCore.int`

PySide.QtGui.QPolygonF.setSharable(sharable)¶

Parameters:	sharable – `PySide.QtCore.bool`

PySide.QtGui.QPolygonF.size()¶

Return type:	`PySide.QtCore.int`

PySide.QtGui.QPolygonF.sizeOfTypedData()¶

Return type:	`PySide.QtCore.int`

PySide.QtGui.QPolygonF.squeeze()¶

PySide.QtGui.QPolygonF.startsWith(t)¶

Parameters:	t – `PySide.QtCore.QPointF`
Return type:	`PySide.QtCore.bool`

PySide.QtGui.QPolygonF.subtracted(r)¶

Parameters:	r – `PySide.QtGui.QPolygonF`
Return type:	`PySide.QtGui.QPolygonF`

Returns a polygon which is r subtracted from this polygon.

Set operations on polygons will treat the polygons as areas. Non-closed polygons will be treated as implicitly closed.

PySide.QtGui.QPolygonF.swap(other)¶

Parameters:	other – `PySide.QtGui.QPolygonF`

Swaps polygon other with this polygon. This operation is very fast and never fails.

PySide.QtGui.QPolygonF.toList()¶

Return type:

PySide.QtGui.QPolygonF.toPolygon()¶

Return type:	`PySide.QtGui.QPolygon`

Creates and returns a PySide.QtGui.QPolygon by converting each PySide.QtCore.QPointF to a PySide.QtCore.QPoint .

See also

QPointF.toPoint()

PySide.QtGui.QPolygonF.translate(dx, dy)¶

Parameters:	dx – `PySide.QtCore.qreal` dy – `PySide.QtCore.qreal`

This is an overloaded function.

Translates all points in the polygon by (dx , dy ).

See also

PySide.QtGui.QPolygonF.translated()

PySide.QtGui.QPolygonF.translate(offset)

Parameters:	offset – `PySide.QtCore.QPointF`

Translate all points in the polygon by the given offset .

See also

PySide.QtGui.QPolygonF.translated()

PySide.QtGui.QPolygonF.translated(dx, dy)¶

Parameters:	dx – `PySide.QtCore.qreal` dy – `PySide.QtCore.qreal`
Return type:	`PySide.QtGui.QPolygonF`

This is an overloaded function.

Returns a copy of the polygon that is translated by (dx , dy ).

See also

PySide.QtGui.QPolygonF.translate()

PySide.QtGui.QPolygonF.translated(offset)

Parameters:	offset – `PySide.QtCore.QPointF`
Return type:	`PySide.QtGui.QPolygonF`

Returns a copy of the polygon that is translated by the given offset .

See also

PySide.QtGui.QPolygonF.translate()

PySide.QtGui.QPolygonF.united(r)¶

Parameters:	r – `PySide.QtGui.QPolygonF`
Return type:	`PySide.QtGui.QPolygonF`

Returns a polygon which is the union of this polygon and r .

Set operations on polygons will treat the polygons as areas. Non-closed polygons will be treated as implicitly closed.

PySide.QtGui.QPolygonF.value(i)¶

Parameters:	i – `PySide.QtCore.int`
Return type:	`PySide.QtCore.QPointF`

PySide.QtGui.QPolygonF.value(i, defaultValue)

Parameters:	i – `PySide.QtCore.int` defaultValue – `PySide.QtCore.QPointF`
Return type:	`PySide.QtCore.QPointF`

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QPolygonF¶

Synopsis¶

Functions¶

Static functions¶

Detailed Description¶