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Python QPolygonF.moveTo方法代碼示例

本文整理匯總了Python中PyQt4.QtGui.QPolygonF.moveTo方法的典型用法代碼示例。如果您正苦於以下問題:Python QPolygonF.moveTo方法的具體用法?Python QPolygonF.moveTo怎麽用?Python QPolygonF.moveTo使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在PyQt4.QtGui.QPolygonF的用法示例。


在下文中一共展示了QPolygonF.moveTo方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: __init__

# 需要導入模塊: from PyQt4.QtGui import QPolygonF [as 別名]
# 或者: from PyQt4.QtGui.QPolygonF import moveTo [as 別名]

#.........這裏部分代碼省略.........
		fillColor = QString(polygon.xpath('./@fill', namespaces=ns)[0])

		# parse root polygon path
		path = QPolygonF()
		for pair in pointStr.split(' '):
			dims = pair.split(',')
			point = QPointF( float(dims[0]), float(dims[1]) )
			path.append(point)
		self.setPolygon(path)

		# fill in root node colors
		if QColor.isValidColor(penColor):
			self.setPen( QColor(penColor) )
		if QColor.isValidColor(fillColor):
			self.setBrush( QColor(fillColor) )

		# build each graph node
		for xmlNode in rootNode.xpath('./svg:g', namespaces=ns):

			group = QGraphicsRectItem(self)
			group.setPen( Qt.transparent )
			group.setBrush( Qt.transparent )


			if xmlNode.attrib['class'] == 'node':

				# find the area object
				name = xmlNode.xpath('./svg:title', namespaces=ns)[0].text
				group.setData( 0, QString(world.areas[world.areaLookup[name]].id) )
				
				# get the ellipse info
				ellipseNode = xmlNode.xpath('./svg:ellipse', namespaces=ns)[0]
				elProps = { k: float(ellipseNode.attrib[k]) for k in ['cx', 'cy', 'rx', 'ry']}
				rect = QRectF( elProps['cx']-elProps['rx'], elProps['cy']-elProps['ry'], 2*elProps['rx'], 2*elProps['ry'])
				penColor = QString(ellipseNode.attrib['stroke'])
				ellipseItem = QGraphicsEllipseItem(rect, group)
				if QColor.isValidColor(penColor):
					ellipseItem.setPen( QColor(penColor) )

				# get the text info
				textNode = xmlNode.xpath('./svg:text', namespaces=ns)[0]
				text = textNode.text
				textItem = QGraphicsTextItem(text, group)
				penColor = textNode.attrib.get('fill', 'black')
				nodePoint = QPointF(float(textNode.attrib['x']), float(textNode.attrib['y']))
				textItem.setPos( nodePoint - textItem.boundingRect().center() + QPointF(0.0,-4.0))
				if QColor.isValidColor(penColor):
					textItem.setDefaultTextColor( QColor(penColor) )

				group.setRect( ellipseItem.boundingRect() )
				group.setFlags( QGraphicsRectItem.ItemIsSelectable )

			elif xmlNode.attrib['class'] == 'edge':

 				# parse the line portion of the arrow
 				line = xmlNode.xpath('./svg:path', namespaces=ns)[0]
				path = QPainterPath()

				# pull info from xml file
				linePath = line.attrib['d']
				lineColor = line.attrib['stroke']
					
				# parse path coords
				points = re.findall( '(-?\d+\.\d+),(-?\d+\.\d+)', linePath )
				if len(points) != 4:
					continue
				startPoint = QPointF( float(points[0][0]), float(points[0][1]) )
				path.moveTo(startPoint)
				curvePoints = []
				for pointCoord in points[1:]:
					curvePoints.append( QPointF(float(pointCoord[0]), float(pointCoord[1])) )
				path.cubicTo( curvePoints[0], curvePoints[1], curvePoints[2] )

				# construct path item
				pathItem = QGraphicsPathItem(path, group)
				if QColor.isValidColor(lineColor):
					pathItem.setPen( QColor(lineColor) )

				polyNode = xmlNode.xpath('./svg:polygon', namespaces=ns)[0]

				# pull info from xml file
				pointStr = polyNode.xpath('./@points', namespaces=ns)[0]
				penColor = QString(polyNode.xpath('./@stroke', namespaces=ns)[0])
				fillColor = QString(polyNode.xpath('./@fill', namespaces=ns)[0])

				# parse polygon path
				path = QPolygonF()
				for pair in pointStr.split(' '):
					dims = pair.split(',')
					point = QPointF( float(dims[0]), float(dims[1]) )
					path.append(point)

				# construct polygon item
				polygonItem = QGraphicsPolygonItem(path, group)
				if QColor.isValidColor(penColor):
					polygonItem.setPen( QColor(penColor) )
				if QColor.isValidColor(fillColor):
					polygonItem.setBrush( QColor(fillColor) )

				group.setRect( pathItem.boundingRect() and polygonItem.boundingRect() )
開發者ID:stevenvergenz,項目名稱:pyVenture,代碼行數:104,代碼來源:svgsubitem.py


注:本文中的PyQt4.QtGui.QPolygonF.moveTo方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。