# QRectF Class Reference
## [[QtCore](index.htm) module]
該QRectF類定義使用浮點精度在平面的矩形。[More...](#details)
### Methods
* `__init__ (self)`
* `__init__ (self, QPointF?atopLeft, QSizeF?asize)`
* `__init__ (self, QPointF?atopLeft, QPointF?abottomRight)`
* `__init__ (self, float?aleft, float?atop, float?awidth, float?aheight)`
* `__init__ (self, QRect?r)`
* `__init__ (self, QRectF)`
* `adjust (self, float?xp1, float?yp1, float?xp2, float?yp2)`
* `QRectF adjusted (self, float?xp1, float?yp1, float?xp2, float?yp2)`
* `float bottom (self)`
* `QPointF bottomLeft (self)`
* `QPointF bottomRight (self)`
* `QPointF center (self)`
* `bool contains (self, QPointF?p)`
* `bool contains (self, QRectF?r)`
* `bool contains (self, float?ax, float?ay)`
* `(float?xp1, float?yp1, float?xp2, float?yp2) getCoords (self)`
* `(float?ax, float?ay, float?aaw, float?aah) getRect (self)`
* `float height (self)`
* `QRectF intersect (self, QRectF?r)`
* `QRectF intersected (self, QRectF?r)`
* `bool intersects (self, QRectF?r)`
* `bool isEmpty (self)`
* `bool isNull (self)`
* `bool isValid (self)`
* `float left (self)`
* `moveBottom (self, float?pos)`
* `moveBottomLeft (self, QPointF?p)`
* `moveBottomRight (self, QPointF?p)`
* `moveCenter (self, QPointF?p)`
* `moveLeft (self, float?pos)`
* `moveRight (self, float?pos)`
* `moveTo (self, float?ax, float?ay)`
* `moveTo (self, QPointF?p)`
* `moveTop (self, float?pos)`
* `moveTopLeft (self, QPointF?p)`
* `moveTopRight (self, QPointF?p)`
* `QRectF normalized (self)`
* `float right (self)`
* `setBottom (self, float?pos)`
* `setBottomLeft (self, QPointF?p)`
* `setBottomRight (self, QPointF?p)`
* `setCoords (self, float?xp1, float?yp1, float?xp2, float?yp2)`
* `setHeight (self, float?ah)`
* `setLeft (self, float?pos)`
* `setRect (self, float?ax, float?ay, float?aaw, float?aah)`
* `setRight (self, float?pos)`
* `setSize (self, QSizeF?s)`
* `setTop (self, float?pos)`
* `setTopLeft (self, QPointF?p)`
* `setTopRight (self, QPointF?p)`
* `setWidth (self, float?aw)`
* `setX (self, float?pos)`
* `setY (self, float?pos)`
* `QSizeF size (self)`
* `QRect toAlignedRect (self)`
* `float top (self)`
* `QPointF topLeft (self)`
* `QPointF topRight (self)`
* `QRect toRect (self)`
* `translate (self, float?dx, float?dy)`
* `translate (self, QPointF?p)`
* `QRectF translated (self, float?dx, float?dy)`
* `QRectF translated (self, QPointF?p)`
* `QRectF unite (self, QRectF?r)`
* `QRectF united (self, QRectF?r)`
* `float width (self)`
* `float x (self)`
* `float y (self)`
### Special Methods
* `QRectF __and__ (self, QRectF?r)`
* `int __bool__ (self)`
* `int __contains__ (self, QPointF?p)`
* `int __contains__ (self, QRectF?r)`
* `bool __eq__ (self, QRectF?r2)`
* `QRectF __iand__ (self, QRectF?r)`
* `QRectF __ior__ (self, QRectF?r)`
* `bool __ne__ (self, QRectF?r2)`
* `QRectF __or__ (self, QRectF?r)`
* `str __repr__ (self)`
* * *
## Detailed Description
這個類可以醃制。
該QRectF類定義使用浮點精度在平面的矩形。
一個矩形,通常表示為左上角和尺寸。一個QRectF的大小(寬度和高度)總是等于其形成的基礎,它呈現的數學矩形。
甲QRectF可以用一組左,上,寬度和高度的整數,或者從一個被構造[QPoint](qpoint.html)和[QSize](qsize.html)。下面的代碼創建兩個相同的矩形。
```
QRectF r1(100, 200, 11, 16);
QRectF r2([QPoint](qpoint.html)(100, 200), [QSize](qsize.html)(11, 16));
```
還有一個第三個構造函數從創建QRectF[QRect](qrect.html)和一個相應[toRect](qrectf.html#toRect)( )函數返回一個[QRect](qrect.html)在此基礎上矩形的值的對象(注意,在返回的矩形的坐標被四舍五入到最接近的整數。)
該QRectF類提供了返回的各種矩形坐標函數的集合,使操縱這些。 QRectF還提供功能,以矩形相對移動到不同的坐標。此外,還有一個[moveTo](qrectf.html#moveTo)( )函數,移動矩形,留下它的左上角在給定的坐標。或者,所述[translate](qrectf.html#translate)()函數使矩形給定的偏移量相對于當前位置,并且[translated](qrectf.html#translated)( )函數返回這個矩形的翻譯件。
該[size](qrectf.html#size)( )函數返回rectange的尺寸為[QSize](qsize.html)。的尺寸也可以單獨使用檢索到的[width](qrectf.html#width)()和[height](qrectf.html#height)()函數。操控方面使用[setSize](qrectf.html#setSize)( )[setWidth](qrectf.html#setWidth)()或[setHeight](qrectf.html#setHeight)()函數。可替換地,大小可以通過應用或功能設定矩形的坐標,例如被改變,[setBottom](qrectf.html#setBottom)()或[setRight](qrectf.html#setRight)( ) 。
該[contains](qrectf.html#contains)( )函數告訴一個給定的點是否是里面的矩形或沒有了,[intersects](qrectf.html#intersects)如果這個矩形相交與給定的矩形( )函數返回True (否則返回False ) 。該QRectF類還提供了[intersected](qrectf.html#intersected)()函數返回相交的矩形,并在[united](qrectf.html#united)( )函數將返回一個封裝給定的矩形,這個矩形:
|  |  |
| [intersected](qrectf.html#intersected)() | [united](qrectf.html#united)() |
該[isEmpty](qrectf.html#isEmpty)如果該矩形的寬度或高度小于或等于,大于0 , ()函數返回真。需要注意的是一個空矩形是無效的:在[isValid](qrectf.html#isValid)如果寬度和高度大于0 ( )函數返回True。一個空矩形([isNull](qrectf.html#isNull)()== TRUE) ,另一方面,也將寬度和高度設置為0。
注意,由于該方法[QRect](qrect.html)和QRectF定義,一個空QRectF在本質上以同樣的方式定義為[QRect](qrect.html)。
最后,相比QRectF對象可以被串流播放,以及。
### Rendering
當使用一個[anti-aliased](qpainter.html#RenderHint-enum)畫家, QRectF的邊界線將對稱地在數學矩形的邊界線的兩側呈現。但使用一個別名畫家(默認值)時,其他規則。
然后,用一個像素寬的畫筆繪制時QRectF的邊界線將呈現給正確的和數學矩形的邊界線下方。
當與兩個像素寬畫筆繪制邊界線會由數學矩形被分割在中間。這將是這種情況時的筆被設置成偶數個像素,而與像素數為奇數的筆繪制,備用像素將呈現向右和數學矩形中的一個像素的情況下。
|  |  |
| Logical representation | One pixel wide pen |
|  |  |
| Two pixel wide pen | Three pixel wide pen |
### Coordinates
該QRectF類提供了返回的各種矩形坐標函數的集合,使操縱這些。 QRectF還提供功能,以矩形相對移動到不同的坐標。
例如:[bottom](qrectf.html#bottom)( )[setBottom](qrectf.html#setBottom)()和[moveBottom](qrectf.html#moveBottom)( )函數:[bottom](qrectf.html#bottom)()返回矩形的底邊的y坐標,[setBottom](qrectf.html#setBottom)()設置矩形的底邊給定的y坐標(它可能會改變高度,但決不會改變矩形的頂邊)和[moveBottom](qrectf.html#moveBottom)( )移動整個矩形垂直,使矩形的底邊在給定的y坐標和尺寸不變。

另外,也可以使用偏移量添加到該矩形的坐標[adjust](qrectf.html#adjust)()函數,以及檢索使用基于原來的1調整一個新的矩形的[adjusted](qrectf.html#adjusted)()函數。如果其中的寬度和高度為負時,用[normalized](qrectf.html#normalized)()函數來檢索其中的角部被交換的矩形。
此外, QRectF提供[getCoords](qrectf.html#getCoords)()函數,其提取的矩形的左上角和右下角的位置,并且[getRect](qrectf.html#getRect)( )函數,它提取矩形的左上角,寬度和高度。使用[setCoords](qrectf.html#setCoords)()和[setRect](qrectf.html#setRect)( )函數來處理矩形的坐標和尺寸一氣呵成。
* * *
## Method Documentation
```
QRectF.__init__ (self)
```
構造一個空矩形。
**See also** [isNull](qrectf.html#isNull)( ) 。
```
QRectF.__init__ (self, QPointF?atopLeft, QSizeF?asize)
```
構造一個矩形與給定_topLeft_角部和所述定_size_。
**See also** [setTopLeft](qrectf.html#setTopLeft)()和[setSize](qrectf.html#setSize)( ) 。
```
QRectF.__init__ (self, QPointF?atopLeft, QPointF?abottomRight)
```
構造一個矩形與給定_topLeft_和_bottomRight_角落。
此功能被引入Qt的4.3 。
**See also** [setTopLeft](qrectf.html#setTopLeft)()和[setBottomRight](qrectf.html#setBottomRight)( ) 。
```
QRectF.__init__ (self, float?aleft, float?atop, float?awidth, float?aheight)
```
構造一個矩形(_x_,_y_)作為它的左上角和給定的_width_和_height_。
**See also** [setRect](qrectf.html#setRect)( ) 。
```
QRectF.__init__ (self, QRect?r)
```
構造一個[QRectF](qrectf.html)從給定的矩形[QRect](qrect.html) _rectangle_。
**See also** [toRect](qrectf.html#toRect)( ) 。
```
QRectF.__init__ (self, QRectF)
```
```
QRectF.adjust (self, float?xp1, float?yp1, float?xp2, float?yp2)
```
添加_dx1_,_dy1_,_dx2_和_dy2_分別以矩形的現有的坐標。
**See also** [adjusted](qrectf.html#adjusted)()和[setRect](qrectf.html#setRect)( ) 。
```
QRectF QRectF.adjusted (self, float?xp1, float?yp1, float?xp2, float?yp2)
```
[
返回一個新的矩形_dx1_,_dy1_,_dx2_和_dy2_分別加入到這個矩形的現有坐標。
](qrectf.html)
[**See also**](qrectf.html) [adjust](qrectf.html#adjust)( ) 。
```
float QRectF.bottom (self)
```
返回矩形的底邊的y坐標。
**See also** [setBottom](qrectf.html#setBottom)( )[bottomLeft](qrectf.html#bottomLeft)()和[bottomRight](qrectf.html#bottomRight)( ) 。
```
QPointF QRectF.bottomLeft (self)
```
[
返回矩形的左下角的位置。
](qpointf.html)
[**See also**](qpointf.html) [setBottomLeft](qrectf.html#setBottomLeft)( )[bottom](qrectf.html#bottom)()和[left](qrectf.html#left)( ) 。
```
QPointF QRectF.bottomRight (self)
```
[
返回矩形的右下角的位置。
](qpointf.html)
[**See also**](qpointf.html) [setBottomRight](qrectf.html#setBottomRight)( )[bottom](qrectf.html#bottom)()和[right](qrectf.html#right)( ) 。
```
QPointF QRectF.center (self)
```
[
返回矩形的中心點。
](qpointf.html)
[**See also**](qpointf.html) [moveCenter](qrectf.html#moveCenter)( ) 。
```
bool QRectF.contains (self, QPointF?p)
```
返回True如果給定的_point_是內部或矩形的邊緣,否則返回False 。
**See also** [intersects](qrectf.html#intersects)( ) 。
```
bool QRectF.contains (self, QRectF?r)
```
這是一個重載函數。
返回True如果點(_x_,_y_)是內部或矩形的邊緣,否則返回False 。
```
bool QRectF.contains (self, float?ax, float?ay)
```
這是一個重載函數。
返回True如果給定的_rectangle_是這個矩形里面,否則返回False 。
```
(float?xp1, float?yp1, float?xp2, float?yp2) QRectF.getCoords (self)
```
提取矩形的左上角的位置*_x1_和*_y1_和右下角為*的位置_x2_和*_y2_。
**See also** [setCoords](qrectf.html#setCoords)()和[getRect](qrectf.html#getRect)( ) 。
```
(float?ax, float?ay, float?aaw, float?aah) QRectF.getRect (self)
```
提取矩形的左上角的位置*_x_和*_y_,其尺寸*_width_和*_height_。
**See also** [setRect](qrectf.html#setRect)()和[getCoords](qrectf.html#getCoords)( ) 。
```
float QRectF.height (self)
```
返回該矩形的高度。
**See also** [setHeight](qrectf.html#setHeight)( )[width](qrectf.html#width)()和[size](qrectf.html#size)( ) 。
```
QRectF QRectF.intersect (self, QRectF?r)
```
[](qrectf.html)
```
QRectF QRectF.intersected (self, QRectF?r)
```
[
返回此矩形的交集和給定的_rectangle_。需要注意的是`r.intersected(s)`相當于`r & s`。

這個函數中引入了Qt 4.2中。
](qrectf.html)
[**See also**](qrectf.html) [intersects](qrectf.html#intersects)( )[united](qrectf.html#united)()和[operator&=](qrectf.html#operator-and-eq)( ) 。
```
bool QRectF.intersects (self, QRectF?r)
```
如果這個矩形相交與給定的,則返回True_rectangle_(即它們之間有重疊的非空白區域) ,否則返回False 。
相交的矩形可使用檢索到的[intersected](qrectf.html#intersected)()函數。
**See also** [contains](qrectf.html#contains)( ) 。
```
bool QRectF.isEmpty (self)
```
返回True如果矩形為空,否則返回False 。
一個空矩形有[width](qrectf.html#width)()\u003c = 0或[height](qrectf.html#height)()\u003c = 0 。一個空矩形是無效的(即,參考isEmpty ( ) == ())。
使用[normalized](qrectf.html#normalized)()函數來檢索其中的角部被交換的矩形。
**See also** [isNull](qrectf.html#isNull)( )[isValid](qrectf.html#isValid)()和[normalized](qrectf.html#normalized)( ) 。
```
bool QRectF.isNull (self)
```
返回True如果矩形為空矩形,否則返回False 。
空矩形具有的寬度和高度設置為0。一個空的矩形也是空的,因此無效。
**See also** [isEmpty](qrectf.html#isEmpty)()和[isValid](qrectf.html#isValid)( ) 。
```
bool QRectF.isValid (self)
```
返回True如果矩形是有效的,否則返回False 。
一個有效的矩形有一個[width](qrectf.html#width)()\u003e 0和[height](qrectf.html#height)()\u003e 0 。請注意,就像十字路口不平凡的操作沒有定義無效矩形。一個有效的矩形不為空(即參考isValid ( ) == ())。
**See also** [isNull](qrectf.html#isNull)( )[isEmpty](qrectf.html#isEmpty)()和[normalized](qrectf.html#normalized)( ) 。
```
float QRectF.left (self)
```
返回矩形的左邊緣的x坐標。相當于[x](qrectf.html#x)( ) 。
**See also** [setLeft](qrectf.html#setLeft)( )[topLeft](qrectf.html#topLeft)()和[bottomLeft](qrectf.html#bottomLeft)( ) 。
```
QRectF.moveBottom (self, float?pos)
```
移動矩形垂直,使矩形的底邊在給定的_y_協調。矩形的尺寸是不變的。
**See also** [bottom](qrectf.html#bottom)( )[setBottom](qrectf.html#setBottom)()和[moveTop](qrectf.html#moveTop)( ) 。
```
QRectF.moveBottomLeft (self, QPointF?p)
```
移動矩形,留下左下角在給定的_position_。矩形的尺寸是不變的。
**See also** [setBottomLeft](qrectf.html#setBottomLeft)( )[moveBottom](qrectf.html#moveBottom)()和[moveLeft](qrectf.html#moveLeft)( ) 。
```
QRectF.moveBottomRight (self, QPointF?p)
```
移動矩形,留下右下角的定_position_。矩形的尺寸是不變的。
**See also** [setBottomRight](qrectf.html#setBottomRight)( )[moveBottom](qrectf.html#moveBottom)()和[moveRight](qrectf.html#moveRight)( ) 。
```
QRectF.moveCenter (self, QPointF?p)
```
移動矩形,而使中心點在給定的_position_。矩形的尺寸是不變的。
**See also** [center](qrectf.html#center)( ) 。
```
QRectF.moveLeft (self, float?pos)
```
水平移動矩形,使矩形的左邊緣在給定的_x_協調。矩形的尺寸是不變的。
**See also** [left](qrectf.html#left)( )[setLeft](qrectf.html#setLeft)()和[moveRight](qrectf.html#moveRight)( ) 。
```
QRectF.moveRight (self, float?pos)
```
水平移動矩形,使矩形的右邊緣在給定的_x_協調。矩形的尺寸是不變的。
**See also** [right](qrectf.html#right)( )[setRight](qrectf.html#setRight)()和[moveLeft](qrectf.html#moveLeft)( ) 。
```
QRectF.moveTo (self, float?ax, float?ay)
```
移動矩形,留下左上角的指定位置(_x_,_y_) 。矩形的尺寸是不變的。
**See also** [translate](qrectf.html#translate)()和[moveTopLeft](qrectf.html#moveTopLeft)( ) 。
```
QRectF.moveTo (self, QPointF?p)
```
這是一個重載函數。
移動矩形,留下左上角在給定的_position_。
```
QRectF.moveTop (self, float?pos)
```
移動矩形垂直,使矩形的頂線在給定的_y_協調。矩形的尺寸是不變的。
**See also** [top](qrectf.html#top)( )[setTop](qrectf.html#setTop)()和[moveBottom](qrectf.html#moveBottom)( ) 。
```
QRectF.moveTopLeft (self, QPointF?p)
```
移動矩形,留下左上角在給定的_position_。矩形的尺寸是不變的。
**See also** [setTopLeft](qrectf.html#setTopLeft)( )[moveTop](qrectf.html#moveTop)()和[moveLeft](qrectf.html#moveLeft)( ) 。
```
QRectF.moveTopRight (self, QPointF?p)
```
移動矩形,留下右上角的定_position_。矩形的尺寸是不變的。
**See also** [setTopRight](qrectf.html#setTopRight)( )[moveTop](qrectf.html#moveTop)()和[moveRight](qrectf.html#moveRight)( ) 。
```
QRectF QRectF.normalized (self)
```
[
返回一個歸一化的矩形,即,具有一個非負的寬度和高度的矩形。
](qrectf.html)
[If](qrectf.html) [width](qrectf.html#width)()\u003c 0的函數交換的左右角部,并且交換的頂部和底部邊角,如果[height](qrectf.html#height)()\u003c 0 。
**See also** [isValid](qrectf.html#isValid)()和[isEmpty](qrectf.html#isEmpty)( ) 。
```
float QRectF.right (self)
```
返回矩形的右邊緣的x坐標。
**See also** [setRight](qrectf.html#setRight)( )[topRight](qrectf.html#topRight)()和[bottomRight](qrectf.html#bottomRight)( ) 。
```
QRectF.setBottom (self, float?pos)
```
設置的矩形的底部邊緣與給定的_y_協調。可能會改變高度,但決不會改變矩形的上邊緣。
**See also** [bottom](qrectf.html#bottom)()和[moveBottom](qrectf.html#moveBottom)( ) 。
```
QRectF.setBottomLeft (self, QPointF?p)
```
設置矩形的左下角給定的_position_。可以改變大小,但決不會改變矩形的右上角。
**See also** [bottomLeft](qrectf.html#bottomLeft)()和[moveBottomLeft](qrectf.html#moveBottomLeft)( ) 。
```
QRectF.setBottomRight (self, QPointF?p)
```
設置矩形的右下角為給定的_position_。可以改變大小,但決不會改變矩形的左上角。
**See also** [bottomRight](qrectf.html#bottomRight)()和[moveBottomRight](qrectf.html#moveBottomRight)( ) 。
```
QRectF.setCoords (self, float?xp1, float?yp1, float?xp2, float?yp2)
```
設置矩形的左上角的坐標為(_x1_,_y1_)和其右下角的坐標(_x2_,_y2_) 。
**See also** [getCoords](qrectf.html#getCoords)()和[setRect](qrectf.html#setRect)( ) 。
```
QRectF.setHeight (self, float?ah)
```
設置了矩形的高度為給定的_height_。底部邊緣被改變,但不頂一個。
**See also** [height](qrectf.html#height)()和[setSize](qrectf.html#setSize)( ) 。
```
QRectF.setLeft (self, float?pos)
```
設置了矩形的左邊緣到給定的_x_協調。可能會改變寬度,但決不會改變矩形的右邊緣。
相當于[setX](qrectf.html#setX)( ) 。
**See also** [left](qrectf.html#left)()和[moveLeft](qrectf.html#moveLeft)( ) 。
```
QRectF.setRect (self, float?ax, float?ay, float?aaw, float?aah)
```
設置矩形的左上角的坐標為(_x_,_y_) ,并且其大小為給定的_width_和_height_。
**See also** [getRect](qrectf.html#getRect)()和[setCoords](qrectf.html#setCoords)( ) 。
```
QRectF.setRight (self, float?pos)
```
設置了矩形的右邊緣到給定的_x_協調。可能會改變寬度,但決不會改變矩形的左邊緣。
**See also** [right](qrectf.html#right)()和[moveRight](qrectf.html#moveRight)( ) 。
```
QRectF.setSize (self, QSizeF?s)
```
設置了矩形的大小給定的_size_。在左上角不移動。
**See also** [size](qrectf.html#size)( )[setWidth](qrectf.html#setWidth)()和[setHeight](qrectf.html#setHeight)( ) 。
```
QRectF.setTop (self, float?pos)
```
設置了矩形的頂邊到給定的_y_協調。可能會改變高度,但決不會改變矩形的底邊。
相當于[setY](qrectf.html#setY)( ) 。
**See also** [top](qrectf.html#top)()和[moveTop](qrectf.html#moveTop)( ) 。
```
QRectF.setTopLeft (self, QPointF?p)
```
設置的矩形的左上角的給定_position_。可以改變大小,但決不會改變矩形的右下角。
**See also** [topLeft](qrectf.html#topLeft)()和[moveTopLeft](qrectf.html#moveTopLeft)( ) 。
```
QRectF.setTopRight (self, QPointF?p)
```
設置矩形的右上角,以給定的_position_。可以改變大小,但決不會改變矩形的左下角。
**See also** [topRight](qrectf.html#topRight)()和[moveTopRight](qrectf.html#moveTopRight)( ) 。
```
QRectF.setWidth (self, float?aw)
```
設置了矩形的寬度與給定_width_。右邊緣被改變,但不是左1 。
**See also** [width](qrectf.html#width)()和[setSize](qrectf.html#setSize)( ) 。
```
QRectF.setX (self, float?pos)
```
設置了矩形的左邊緣到給定的_x_協調。可能會改變寬度,但決不會改變矩形的右邊緣。
相當于[setLeft](qrectf.html#setLeft)( ) 。
**See also** [x](qrectf.html#x)( )[setY](qrectf.html#setY)()和[setTopLeft](qrectf.html#setTopLeft)( ) 。
```
QRectF.setY (self, float?pos)
```
設置了矩形的頂邊到給定的_y_協調。可能會改變高度,但決不會改變矩形的底邊。
相當于[setTop](qrectf.html#setTop)( ) 。
**See also** [y](qrectf.html#y)( )[setX](qrectf.html#setX)()和[setTopLeft](qrectf.html#setTopLeft)( ) 。
```
QSizeF QRectF.size (self)
```
[
返回矩形的大小。
](qsizef.html)
[**See also**](qsizef.html) [setSize](qrectf.html#setSize)( )[width](qrectf.html#width)()和[height](qrectf.html#height)( ) 。
```
QRect QRectF.toAlignedRect (self)
```
[](qrect.html)
[返回](qrect.html)[QRect](qrect.html)基于這個矩形是可能的最小整數矩形完全包含此矩形的值。
此功能被引入Qt的4.3 。
**See also** [toRect](qrectf.html#toRect)( ) 。
```
float QRectF.top (self)
```
返回矩形的上邊緣的y坐標。相當于[y](qrectf.html#y)( ) 。
**See also** [setTop](qrectf.html#setTop)( )[topLeft](qrectf.html#topLeft)()和[topRight](qrectf.html#topRight)( ) 。
```
QPointF QRectF.topLeft (self)
```
[
返回矩形的左上角的位置。
](qpointf.html)
[**See also**](qpointf.html) [setTopLeft](qrectf.html#setTopLeft)( )[top](qrectf.html#top)()和[left](qrectf.html#left)( ) 。
```
QPointF QRectF.topRight (self)
```
[
返回矩形的右上角的位置。
](qpointf.html)
[**See also**](qpointf.html) [setTopRight](qrectf.html#setTopRight)( )[top](qrectf.html#top)()和[right](qrectf.html#right)( ) 。
```
QRect QRectF.toRect (self)
```
[](qrect.html)
[返回](qrect.html)[QRect](qrect.html)在此基礎上矩形的值。請注意,在返回的矩形坐標四舍五入到最接近的整數。
**See also** [QRectF](qrectf.html#QRectF)()和[toAlignedRect](qrectf.html#toAlignedRect)( ) 。
```
QRectF.translate (self, float?dx, float?dy)
```
移動矩形_dx_沿x軸和_dy_沿著y軸,相對于當前位置。正值移動矩形向右,向下。
**See also** [moveTopLeft](qrectf.html#moveTopLeft)( )[moveTo](qrectf.html#moveTo)()和[translated](qrectf.html#translated)( ) 。
```
QRectF.translate (self, QPointF?p)
```
這是一個重載函數。
移動矩形_offset_。[x()](qpointf.html#x)沿x軸和_offset_。[y()](qpointf.html#y)沿著y軸,相對于當前位置。
```
QRectF QRectF.translated (self, float?dx, float?dy)
```
[
返回矩形的副本被翻譯_dx_沿x軸和_dy_沿著y軸,相對于當前位置。正值移動矩形向右和向下。
](qrectf.html)
[**See also**](qrectf.html) [translate](qrectf.html#translate)( ) 。
```
QRectF QRectF.translated (self, QPointF?p)
```
[
這是一個重載函數。
](qrectf.html)
[返回矩形的副本被翻譯_offset_。](qrectf.html)[x()](qpointf.html#x)沿x軸和_offset_。[y()](qpointf.html#y)沿著y軸,相對于當前位置。
```
QRectF QRectF.unite (self, QRectF?r)
```
[](qrectf.html)
```
QRectF QRectF.united (self, QRectF?r)
```
[
返回此矩形的邊框和給定_rectangle_。

這個函數中引入了Qt 4.2中。
](qrectf.html)
[**See also**](qrectf.html) [intersected](qrectf.html#intersected)( ) 。
```
float QRectF.width (self)
```
返回矩形的寬度。
**See also** [setWidth](qrectf.html#setWidth)( )[height](qrectf.html#height)()和[size](qrectf.html#size)( ) 。
```
float QRectF.x (self)
```
返回矩形的左邊緣的x坐標。相當于[left](qrectf.html#left)( ) 。
**See also** [setX](qrectf.html#setX)( )[y](qrectf.html#y)()和[topLeft](qrectf.html#topLeft)( ) 。
```
float QRectF.y (self)
```
返回矩形的上邊緣的y坐標。相當于[top](qrectf.html#top)( ) 。
**See also** [setY](qrectf.html#setY)( )[x](qrectf.html#x)()和[topLeft](qrectf.html#topLeft)( ) 。
```
QRectF QRectF.__and__ (self, QRectF?r)
```
[
```
int QRectF.__bool__ (self)
```
```
int QRectF.__contains__ (self, QPointF?p)
```
```
int QRectF.__contains__ (self, QRectF?r)
```
```
bool QRectF.__eq__ (self, QRectF?r2)
```
](qrectf.html)
```
QRectF QRectF.__iand__ (self, QRectF?r)
```
[](qrectf.html)
```
QRectF QRectF.__ior__ (self, QRectF?r)
```
[
```
bool QRectF.__ne__ (self, QRectF?r2)
```
](qrectf.html)
```
QRectF QRectF.__or__ (self, QRectF?r)
```
[
```
str QRectF.__repr__ (self)
```
](qrectf.html)
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- QStylePainter Class Reference
- QSvgGenerator Class Reference
- QSvgRenderer Class Reference
- QSvgWidget Class Reference
- QSwipeGesture Class Reference
- QSyntaxHighlighter Class Reference
- QSysInfo Class Reference
- QSystemLocale Class Reference
- QSystemSemaphore Class Reference
- QSystemTrayIcon Class Reference
- Qt Class Reference
- QTabBar Class Reference
- QTabletEvent Class Reference
- QTableView Class Reference
- QTableWidget Class Reference
- QTableWidgetItem Class Reference
- QTableWidgetSelectionRange Class Reference
- QTabWidget Class Reference
- QTapAndHoldGesture Class Reference
- QTapGesture Class Reference
- QTcpServer Class Reference
- QTcpSocket Class Reference
- QTemporaryFile Class Reference
- QTest Class Reference
- QTextBlock Class Reference
- QTextBlockFormat Class Reference
- QTextBlockGroup Class Reference
- QTextBlockUserData Class Reference
- QTextBoundaryFinder Class Reference
- QTextBrowser Class Reference
- QTextCharFormat Class Reference
- QTextCodec Class Reference
- QTextCursor Class Reference
- QTextDecoder Class Reference
- QTextDocument Class Reference
- QTextDocumentFragment Class Reference
- QTextDocumentWriter Class Reference
- QTextEdit Class Reference
- QTextEncoder Class Reference
- QTextFormat Class Reference
- QTextFragment Class Reference
- QTextFrame Class Reference
- QTextFrameFormat Class Reference
- QTextImageFormat Class Reference
- QTextInlineObject Class Reference
- QTextItem Class Reference
- QTextLayout Class Reference
- QTextLength Class Reference
- QTextLine Class Reference
- QTextList Class Reference
- QTextListFormat Class Reference
- QTextObject Class Reference
- QTextObjectInterface Class Reference
- QTextOption Class Reference
- QTextStream Class Reference
- QTextTable Class Reference
- QTextTableCell Class Reference
- QTextTableCellFormat Class Reference
- QTextTableFormat Class Reference
- QThread Class Reference
- QThreadPool Class Reference
- QTime Class Reference
- QTimeEdit Class Reference
- QTimeLine Class Reference
- QTimer Class Reference
- QTimerEvent Class Reference
- QToolBar Class Reference
- QToolBox Class Reference
- QToolButton Class Reference
- QToolTip Class Reference
- QTouchEvent Class Reference
- Reference
- QTransform Class Reference
- QTranslator Class Reference
- QTreeView Class Reference
- QTreeWidget Class Reference
- QTreeWidgetItem Class Reference
- QTreeWidgetItemIterator Class Reference
- QUdpSocket Class Reference
- QUndoCommand Class Reference
- QUndoGroup Class Reference
- QUndoStack Class Reference
- QUndoView Class Reference
- QUrl Class Reference
- QUrlInfo Class Reference
- QUuid Class Reference
- QValidator Class Reference
- QVariant Class Reference
- QVariantAnimation Class Reference
- QVBoxLayout Class Reference
- QVector2D Class Reference
- QVector3D Class Reference
- QVector4D Class Reference
- QVideoFrame Class Reference
- QVideoSurfaceFormat Class Reference
- QWaitCondition Class Reference
- QWebDatabase Class Reference
- QWebElement Class Reference
- QWebElementCollection Class Reference
- QWebFrame Class Reference
- QWebHistory Class Reference
- QWebHistoryInterface Class Reference
- QWebHistoryItem Class Reference
- QWebHitTestResult Class Reference
- QWebInspector Class Reference
- QWebPage Class Reference
- QWebPluginFactory Class Reference
- QWebSecurityOrigin Class Reference
- QWebSettings Class Reference
- QWebView Class Reference
- QWhatsThis Class Reference
- QWhatsThisClickedEvent Class Reference
- QWheelEvent Class Reference
- QWidget Class Reference
- QWidgetAction Class Reference
- QWidgetItem Class Reference
- QWindowStateChangeEvent Class Reference
- QWizard Class Reference
- QWizardPage Class Reference
- QWorkspace Class Reference
- QWriteLocker Class Reference
- QX11EmbedContainer Class Reference
- QX11EmbedWidget Class Reference
- QX11Info Class Reference
- QXmlAttributes Class Reference
- QXmlContentHandler Class Reference
- QXmlDeclHandler Class Reference
- QXmlDefaultHandler Class Reference
- QXmlDTDHandler Class Reference
- QXmlEntityResolver Class Reference
- QXmlErrorHandler Class Reference
- QXmlFormatter Class Reference
- QXmlInputSource Class Reference
- QXmlItem Class Reference
- QXmlLexicalHandler Class Reference
- QXmlLocator Class Reference
- QXmlName Class Reference
- QXmlNamePool Class Reference
- QXmlNamespaceSupport Class Reference
- QXmlNodeModelIndex Class Reference
- QXmlParseException Class Reference
- QXmlQuery Class Reference
- QXmlReader Class Reference
- QXmlResultItems Class Reference
- QXmlSchema Class Reference
- QXmlSchemaValidator Class Reference
- QXmlSerializer Class Reference
- QXmlSimpleReader Class Reference
- QXmlStreamAttribute Class Reference
- QXmlStreamAttributes Class Reference
- QXmlStreamEntityDeclaration Class Reference
- QXmlStreamEntityResolver Class Reference
- QXmlStreamNamespaceDeclaration Class Reference
- QXmlStreamNotationDeclaration Class Reference
- QXmlStreamReader Class Reference
- QXmlStreamWriter Class Reference