本文整理汇总了Python中PyQt4.QtGui.QGraphicsPolygonItem.__init__方法的典型用法代码示例。如果您正苦于以下问题：Python QGraphicsPolygonItem.__init__方法的具体用法？Python QGraphicsPolygonItem.__init__怎么用？Python QGraphicsPolygonItem.__init__使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PyQt4.QtGui.QGraphicsPolygonItem的用法示例。
在下文中一共展示了QGraphicsPolygonItem.__init__方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
# 需要导入模块: from PyQt4.QtGui import QGraphicsPolygonItem [as 别名]
# 或者: from PyQt4.QtGui.QGraphicsPolygonItem import __init__ [as 别名]
def __init__(self, parent, fromView, toView, distributedObjects):
""" Constructor
@param parent parent for the QGraphicsPolygonItem-Constructor
@param fromView datagraph.htmlvariableview.HtmlVariableView, starting point of the Pointer
@param toView datagraph.htmlvariableview.HtmlVariableView, end point of the Pointer
@param distributedObjects distributedobjects.DistributedObjects, the DistributedObjects-Instance
fromView and toView are QGraphicsWebViews
"""
QGraphicsPolygonItem.__init__(self, parent)
self.fromView = fromView
fromView.addOutgoingPointer(self)
self.toView = toView
toView.addIncomingPointer(self)
self.distributedObjects = distributedObjects
self.setBrush( QBrush( self.bgcolor ) )
self.setPen( QPen(self.fgcolor,1) )
QObject.connect(self.fromView, SIGNAL('geometryChanged()'), self.render)
QObject.connect(self.toView, SIGNAL('geometryChanged()'), self.render)
QObject.connect(self.fromView, SIGNAL('xChanged()'), self.render)
QObject.connect(self.fromView, SIGNAL('yChanged()'), self.render)
QObject.connect(self.toView, SIGNAL('xChanged()'), self.render)
QObject.connect(self.toView, SIGNAL('yChanged()'), self.render)
QObject.connect(self.fromView, SIGNAL('deleting()'), self.delete)
QObject.connect(self.toView, SIGNAL('deleting()'), self.delete)
self.render()示例2: __init__
# 需要导入模块: from PyQt4.QtGui import QGraphicsPolygonItem [as 别名]
# 或者: from PyQt4.QtGui.QGraphicsPolygonItem import __init__ [as 别名]
def __init__(self, parent):
points = QPolygonF()
self._mediator = ArrowMediator()
for poly in (QPointF(7,0), QPointF(-7,7), QPointF(-5,2), QPointF(-11,2),
QPointF(-11,-2), QPointF(-5,-2), QPointF(-7,-7)):
points.append(poly)
QGraphicsPolygonItem.__init__(self, points, parent)
self.setPen(Qt.darkCyan)
self.setBrush(Qt.cyan)示例3: __init__
# 需要导入模块: from PyQt4.QtGui import QGraphicsPolygonItem [as 别名]
# 或者: from PyQt4.QtGui.QGraphicsPolygonItem import __init__ [as 别名]
def __init__(self, poly = None, dim = None):
if not poly:
if not dim:
raise ValueError("need to set bounding rect!")
else:
poly = []
for i in range(10):
poly.append(planar.Point(
random.randint(dim.left(),dim.right()),
random.randint(dim.top(),dim.bottom())))
poly = planar.Polygon.convex_hull(poly)
poly = QPolygonF([QPointF(p.x,p.y) for p in poly])
QGraphicsPolygonItem.__init__(self, poly)
self.setConnectors([(0,random.random()),(len(poly)//2,random.random())])示例4: __init__
# 需要导入模块: from PyQt4.QtGui import QGraphicsPolygonItem [as 别名]
# 或者: from PyQt4.QtGui.QGraphicsPolygonItem import __init__ [as 别名]
def __init__(self, world):
QGraphicsPolygonItem.__init__(self)
#############################
### Build graph
#############################
graph = pydot.Dot()
graph.set_node_defaults(color = 'red', fontcolor = 'red', label = '\<orphan\>')
graph.set('overlap', 'prism')
# build adjacency graph from world
for area in world.areas:
# create node for each room
node = pydot.Node(area.id)
node.set( 'label', area.name )
if area == world.player.currentArea:
node.set( 'color', 'blue' )
node.set( 'fontcolor', 'blue' )
else:
node.set( 'color', 'black' )
node.set( 'fontcolor', 'black' )
graph.add_node(node)
# link to adjacent rooms
for feature in area.features:
for action in feature.actions:
finalEvent = None
for event in action.events:
if type(event) == events.PlayerMoveEvent:
finalEvent = pydot.Edge( src=area.id, dst=event.properties['destination'] )
if finalEvent is not None:
graph.add_edge( finalEvent )
################################
### Generate SVG from graph
################################
ps = graph.create_svg(prog='neato')
#########################################
### Build graphics items from SVG
#########################################
# build xml tree
ns = {'svg': 'http://www.w3.org/2000/svg'}
doc = ET.fromstring(ps)
# grab the root node properties
rootNode = doc.xpath('/svg:svg/svg:g[1]', namespaces=ns)[0]
polygon = rootNode.xpath('./svg:polygon', namespaces=ns)[0]
pointStr = polygon.xpath('./@points', namespaces=ns)[0]
penColor = QString(polygon.xpath('./@stroke', namespaces=ns)[0])
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)
#.........这里部分代码省略.........