def realRender(self, painter, renderPath): # TODO/PORT: Still needs work.
"""
TOWRITE
:param `painter`: TOWRITE
:type `painter`: `QPainter`_
:param `renderPath`: TOWRITE
:type `renderPath`: `QPainterPath`_
"""
color1 = self.objectColor() #QColor # lighter color
color2 = color1.darker(150) #QColor # darker color
# If we have a dark color, lighten it
darkness = color1.lightness() #int
threshold = 32 #int #TODO: This number may need adjusted or maybe just add it to settings.
if darkness < threshold:
color2 = color1
if not darkness:
color1 = QColor(threshold, threshold, threshold) # lighter() does not affect pure black
else :
color1 = color2.lighter(100 + threshold)
count = renderPath.elementCount() # int
for i in range(0, count - 1): # for(int i = 0; i < count-1; ++i);
elem = renderPath.elementAt(i) # QPainterPath::Element
next = renderPath.elementAt(i + 1) # QPainterPath::Element
if next.isMoveTo():
continue
elemPath = QPainterPath()
elemPath.moveTo(elem.x, elem.y)
elemPath.lineTo(next.x, next.y)
renderPen = QPen(QColor(0, 0, 0, 0))
renderPen.setWidthF(0)
painter.setPen(renderPen)
stroker = QPainterPathStroker()
stroker.setWidth(0.35)
stroker.setCapStyle(Qt.RoundCap)
stroker.setJoinStyle(Qt.RoundJoin)
realPath = stroker.createStroke(elemPath) # QPainterPath
painter.drawPath(realPath)
grad = QLinearGradient(elemPath.pointAtPercent(0.5), elemPath.pointAtPercent(0.0))
grad.setColorAt(0, color1)
grad.setColorAt(1, color2)
grad.setSpread(QGradient.ReflectSpread)
painter.fillPath(realPath, QBrush(grad))
def set_shape(self, width, height):
''' Define the symbol shape '''
circ = min(width, height)
path = QPainterPath()
path.addEllipse(0, 0, circ, circ)
point1 = path.pointAtPercent(0.625)
point2 = path.pointAtPercent(0.125)
point3 = path.pointAtPercent(0.875)
point4 = path.pointAtPercent(0.375)
path.moveTo(point1)
path.lineTo(point2)
path.moveTo(point3)
path.lineTo(point4)
self.setPath(path)
# call Join superclass, otherwise symbol will take Join shape
super(Join, self).set_shape(circ, circ)
def set_shape(self, width, height):
''' Define the symbol shape '''
circ = min(width, height)
path = QPainterPath()
path.addEllipse(0, 0, circ, circ)
point1 = path.pointAtPercent(0.625)
point2 = path.pointAtPercent(0.125)
point3 = path.pointAtPercent(0.875)
point4 = path.pointAtPercent(0.375)
path.moveTo(point1)
path.lineTo(point2)
path.moveTo(point3)
path.lineTo(point4)
self.setPath(path)
# call Join superclass, otherwise symbol will take Join shape
super(Join, self).set_shape(circ, circ)
def reshape(self):
''' Update the connection or arrow shape '''
shape = QPainterPath()
shape.moveTo(self.start_point)
for point in self.middle_points:
shape.lineTo(point)
shape.lineTo(self.end_point)
# If required draw an arrow head (e.g. in SDL NEXTSTATE and JOIN)
if self.child.arrow_head:
self.draw_arrow_head(shape, origin='head',
kind=self.child.arrow_head)
if self.child.arrow_tail:
shape.moveTo(shape.pointAtPercent(0))
self.draw_arrow_head(shape, origin='tail',
kind=self.child.arrow_head)
self.setPath(shape)
def reshape(self):
''' Update the connection or arrow shape '''
shape = QPainterPath()
shape.moveTo(self.start_point)
for point in self.middle_points:
shape.lineTo(point)
shape.lineTo(self.end_point)
# If required draw an arrow head (e.g. in SDL NEXTSTATE and JOIN)
if self.child.arrow_head:
self.draw_arrow_head(shape, origin='head',
kind=self.child.arrow_head)
if self.child.arrow_tail:
shape.moveTo(shape.pointAtPercent(0))
self.draw_arrow_head(shape, origin='tail',
kind=self.child.arrow_head)
self.setPath(shape)
