# QPainterPathStroker Class Reference
## [[QtGui](index.htm) module]
该QPainterPathStroker类是用来产生可填写概述对于给定的画家路径。[More...](#details)
### Methods
* `__init__ (self)`
* `Qt.PenCapStyle capStyle (self)`
* `QPainterPath createStroke (self, QPainterPath path)`
* `float curveThreshold (self)`
* `float dashOffset (self)`
* `list-of-float dashPattern (self)`
* `Qt.PenJoinStyle joinStyle (self)`
* `float miterLimit (self)`
* `setCapStyle (self, Qt.PenCapStyle style)`
* `setCurveThreshold (self, float threshold)`
* `setDashOffset (self, float offset)`
* `setDashPattern (self, Qt.PenStyle)`
* `setDashPattern (self, list-of-float dashPattern)`
* `setJoinStyle (self, Qt.PenJoinStyle style)`
* `setMiterLimit (self, float length)`
* `setWidth (self, float width)`
* `float width (self)`
* * *
## Detailed Description
该QPainterPathStroker类是用来产生可填写概述对于给定的画家路径。
通过调用[createStroke](qpainterpathstroker.html#createStroke)（ ）函数，传递一个给定的[QPainterPath](qpainterpath.html)作为参数，表示给定路径的轮廓的新画家路径被创建。新创建的画家路径然后可以填充绘制原画师路径的轮廓。
您可以控制各种设计方面使用以下功能的概述（宽度，帽样式，加入风格和虚线样式） ：
* [setWidth](qpainterpathstroker.html#setWidth)()
* [setCapStyle](qpainterpathstroker.html#setCapStyle)()
* [setJoinStyle](qpainterpathstroker.html#setJoinStyle)()
* [setDashPattern](qpainterpathstroker.html#setDashPattern)()
该[setDashPattern](qpainterpathstroker.html#setDashPattern)（ ）函数接受一个既[Qt.PenStyle](qt.html#PenStyle-enum)对象和模式作为参数向量表示。
此外，您可以指定一个曲线的阈值时，控制与曲线绘制的粒度，使用[setCurveThreshold](qpainterpathstroker.html#setCurveThreshold)（）函数。预设的阈值是一个很好的调整值（ 0.25 ） ，并且通常你不需要修改它。但是，您可以通过降低它的价值使曲线的外观更光滑。
您还可以控制斜接限制使用生成的轮廓[setMiterLimit](qpainterpathstroker.html#setMiterLimit)（）函数。斜接限制说明如何远离每个加盟斜角连接可以延长。在宽的单位是所指定的限制，因此pixelwise斜接限制会`miterlimit * width`。此值仅用于联接风格[Qt.MiterJoin](qt.html#PenJoinStyle-enum)。
通过所产生的画家路径[createStroke](qpainterpathstroker.html#createStroke)（ ）函数应该只用于概述给定的画家路径。否则可能会导致意外行为。生成的轮廓也需要[Qt.WindingFill](qt.html#FillRule-enum)排除这是默认设置。
* * *
## Method Documentation
```
QPainterPathStroker.__init__ (self)
```
创建一个新的司炉。
```
Qt.PenCapStyle QPainterPathStroker.capStyle (self)
```
[
返回生成轮廓的端点样式。
](qt.html#PenCapStyle-enum)
[**See also**](qt.html#PenCapStyle-enum) [setCapStyle](qpainterpathstroker.html#setCapStyle)（ ） 。
```
QPainterPath QPainterPathStroker.createStroke (self, QPainterPath path)
```
[
产生一个新的路径就是代表给定的轮廓可填写区域_path_。
](qpainterpath.html)
[轮廓的各个方面的设计都是基于抚摩的属性：](qpainterpath.html)[width](qpainterpathstroker.html#width)（ ）[capStyle](qpainterpathstroker.html#capStyle)（ ）[joinStyle](qpainterpathstroker.html#joinStyle)（ ）[dashPattern](qpainterpathstroker.html#dashPattern)（ ）[curveThreshold](qpainterpathstroker.html#curveThreshold)（）和[miterLimit](qpainterpathstroker.html#miterLimit)（ ） 。
生成的路径应该只用于概述给定的画家路径。否则可能会导致意外行为。生成的轮廓也需要[Qt.WindingFill](qt.html#FillRule-enum)排除这是默认设置。
```
float QPainterPathStroker.curveThreshold (self)
```
返回生成的轮廓曲线扁平化的门槛。
**See also** [setCurveThreshold](qpainterpathstroker.html#setCurveThreshold)（ ） 。
```
float QPainterPathStroker.dashOffset (self)
```
返回冲刺的轮廓产生偏移。
**See also** [setDashOffset](qpainterpathstroker.html#setDashOffset)（ ） 。
```
list-of-float QPainterPathStroker.dashPattern (self)
```
返回生成的轮廓虚线样式。
**See also** [setDashPattern](qpainterpathstroker.html#setDashPattern)（ ） 。
```
Qt.PenJoinStyle QPainterPathStroker.joinStyle (self)
```
[
返回生成的轮廓线的连接样式。
](qt.html#PenJoinStyle-enum)
[**See also**](qt.html#PenJoinStyle-enum) [setJoinStyle](qpainterpathstroker.html#setJoinStyle)（ ） 。
```
float QPainterPathStroker.miterLimit (self)
```
返回斜接限制为生成的轮廓。
**See also** [setMiterLimit](qpainterpathstroker.html#setMiterLimit)（ ） 。
```
QPainterPathStroker.setCapStyle (self, Qt.PenCapStyle style)
```
设置生成的轮廓的帽子风格_style_。如果一个虚线样式设置，图案各部分是受帽_style_。
**See also** [capStyle](qpainterpathstroker.html#capStyle)（ ） 。
```
QPainterPathStroker.setCurveThreshold (self, float threshold)
```
指定曲线变平_threshold_，控制与所生成的轮廓'曲线绘制的粒度。
预设的阈值是一个很好的调整值（ 0.25 ） ，并且通常你不需要修改它。但是，您可以通过降低它的价值使曲线的外观更光滑。
**See also** [curveThreshold](qpainterpathstroker.html#curveThreshold)（ ） 。
```
QPainterPathStroker.setDashOffset (self, float offset)
```
设置破折号所生成的轮廓，以抵消_offset_。
请参阅该文档[QPen.setDashOffset](qpen.html#setDashOffset)（ ）为破折号的描述偏移。
**See also** [dashOffset](qpainterpathstroker.html#dashOffset)（ ） 。
```
QPainterPathStroker.setDashPattern (self, Qt.PenStyle)
```
设置所生成的轮廓的虚线样式_style_。
**See also** [dashPattern](qpainterpathstroker.html#dashPattern)（ ） 。
```
QPainterPathStroker.setDashPattern (self, list-of-float dashPattern)
```
这是一个重载函数。
设置所生成的轮廓的虚线样式_dashPattern_。此功能使得它可以指定自定义虚线样式。
向量中的每个元素都包含在行程短划线和空格的长度，用连字符和空格之间的第一个元素的第一个破折号，在第二个元素的第一个空间，并为每个下列成对的元素交替的开始。
该载体可含有的元素，在这种情况下，最后一个元素将通过当图案重复第一元件的长度延伸的一个奇数。
```
QPainterPathStroker.setJoinStyle (self, Qt.PenJoinStyle style)
```
设置生成的轮廓的风格加入到_style_。
**See also** [joinStyle](qpainterpathstroker.html#joinStyle)（ ） 。
```
QPainterPathStroker.setMiterLimit (self, float length)
```
设置生成的轮廓的斜接限制_limit_。
斜接限制说明如何远离每个加盟斜角连接可以延长。被指定在当前设置的宽度为单位的限制。所以pixelwise斜接限制会`miterlimit * width`。
此值仅用于联接风格[Qt.MiterJoin](qt.html#PenJoinStyle-enum)。
**See also** [miterLimit](qpainterpathstroker.html#miterLimit)（ ） 。
```
QPainterPathStroker.setWidth (self, float width)
```
设置所生成的轮廓画家路径的宽度_width_。
所生成的轮廓将延长约50％的_width_为给定的输入路径的原始轮廓的每一侧。
**See also** [width](qpainterpathstroker.html#width)（ ） 。
```
float QPainterPathStroker.width (self)
```
返回生成的轮廓的宽度。
**See also** [setWidth](qpainterpathstroker.html#setWidth)（ ） 。
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- 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