def paint(self, painter, option, widget):
if self._source is None or self._dest is None:
return
# Get level of detail
lod = option.levelOfDetailFromTransform(painter.worldTransform())
if lod < 0.1:
return
scene = self.scene()
if scene is None:
return
line = QLineF(self.source_point, self.dest_point)
if self._source != self._dest and qFuzzyCompare(line.length(), 0.):
return
# If selected, change color to red
if option.state & QStyle.State_Selected:
pen = scene.networkStyle().edgePen(selected=True)
pen.setWidthF(self.pen().widthF())
painter.setPen(pen)
else:
painter.setPen(self.pen())
painter.drawPath(self.path())
def setPlaybackRate(self, rate):
for i in range(self.rateBox.count()):
if qFuzzyCompare(rate, self.rateBox.itemData(i)):
self.rateBox.setCurrentIndex(i)
return
self.rateBox.addItem("%dx" % rate, rate)
self.rateBox.setCurrentIndex(self.rateBox.count() - 1)
def setPlaybackRate(self, rate):
for i in range(self.rateBox.count()):
if qFuzzyCompare(rate, self.rateBox.itemData(i)):
self.rateBox.setCurrentIndex(i)
return
self.rateBox.addItem("%dx" % rate, rate)
self.rateBox.setCurrentIndex(self.rateBox.count() - 1)
def setVideoSettings(self, settings):
self.selectComboBoxItem(self.ui.videoCodecBox, settings.codec())
self.selectComboBoxItem(self.ui.videoResolutionBox,
settings.resolution())
self.ui.videoQualitySlider.setValue(settings.quality())
for i in range(1, self.ui.videoFramerateBox.count()):
itemRate = self.ui.videoFramerateBox.itemData(i)
if qFuzzyCompare(itemRate, settings.frameRate()):
self.ui.videoFramerateBox.setCurrentIndex(i)
break
def setVideoSettings(self, settings):
self.selectComboBoxItem(self.ui.videoCodecBox, settings.codec())
self.selectComboBoxItem(self.ui.videoResolutionBox,
settings.resolution())
self.ui.videoQualitySlider.setValue(settings.quality())
for i in range(1, self.ui.videoFramerateBox.count()):
itemRate = self.ui.videoFramerateBox.itemData(i)
if qFuzzyCompare(itemRate, settings.frameRate()):
self.ui.videoFramerateBox.setCurrentIndex(i)
break
def paint(self, painter, option, widget):
"""
Customize line adding an arrow head
:param QPainter painter: Painter instance of the item
:param option: Painter option of the item
:param widget: Widget instance
"""
if not self.source or not self.destination:
return
line = QLineF(self.source_point, self.destination_point)
if qFuzzyCompare(line.length(), 0):
return
# Draw the line itself
color = QColor()
color.setHsv(120 - 60 / self.steps_max * self.steps,
180 + 50 / self.steps_max * self.steps,
150 + 80 / self.steps_max * self.steps)
if self.highlighted:
color.setHsv(0, 0, 0)
style = self.line_style
painter.setPen(QPen(color, 1, style, Qt.RoundCap, Qt.RoundJoin))
painter.drawLine(line)
painter.setPen(QPen(color, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
# Draw the arrows
angle = math.acos(line.dx() / line.length())
if line.dy() >= 0:
angle = (2.0 * math.pi) - angle
# arrow in the middle of the arc
hpx = line.p1().x() + (line.dx() / 2.0)
hpy = line.p1().y() + (line.dy() / 2.0)
head_point = QPointF(hpx, hpy)
painter.setPen(QPen(color, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
destination_arrow_p1 = head_point + QPointF(
math.sin(angle - math.pi / 3) * self.arrow_size,
math.cos(angle - math.pi / 3) * self.arrow_size)
destination_arrow_p2 = head_point + QPointF(
math.sin(angle - math.pi + math.pi / 3) * self.arrow_size,
math.cos(angle - math.pi + math.pi / 3) * self.arrow_size)
painter.setBrush(color)
painter.drawPolygon(QPolygonF([head_point, destination_arrow_p1, destination_arrow_p2]))
if self.metadata["confirmation_text"]:
painter.drawText(head_point, self.metadata["confirmation_text"])
def set_playback_rate(self, rate):
"""
:param rate:
:return:
"""
for i in range(self.rateBox.count()):
if qFuzzyCompare(rate, self.rateBox.itemData(i)):
self.rateBox.setCurrentIndex(i)
return
#
self.rateBox.addItem("%dx" % rate, rate)
self.rateBox.setCurrentIndex(self.rateBox.count() - 1)
def paint(self, painter, option, widget):
"""
Customize line adding an arrow head
:param QPainter painter: Painter instance of the item
:param option: Painter option of the item
:param widget: Widget instance
"""
if not self.source or not self.destination:
return
line = QLineF(self.source_point, self.destination_point)
if qFuzzyCompare(line.length(), 0):
return
# Draw the line itself
color = QColor()
style = Qt.SolidLine
if self.status == ARC_STATUS_STRONG:
color.setNamedColor('blue')
if self.status == ARC_STATUS_WEAK:
color.setNamedColor('salmon')
style = Qt.DashLine
painter.setPen(QPen(color, 1, style, Qt.RoundCap, Qt.RoundJoin))
painter.drawLine(line)
painter.setPen(QPen(color, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
# Draw the arrows
angle = math.acos(line.dx() / line.length())
if line.dy() >= 0:
angle = (2.0 * math.pi) - angle
# arrow in the middle of the arc
hpx = line.p1().x() + (line.dx() / 2.0)
hpy = line.p1().y() + (line.dy() / 2.0)
head_point = QPointF(hpx, hpy)
painter.setPen(QPen(color, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
destination_arrow_p1 = head_point + QPointF(
math.sin(angle - math.pi / 3) * self.arrow_size,
math.cos(angle - math.pi / 3) * self.arrow_size)
destination_arrow_p2 = head_point + QPointF(
math.sin(angle - math.pi + math.pi / 3) * self.arrow_size,
math.cos(angle - math.pi + math.pi / 3) * self.arrow_size)
painter.setBrush(color)
painter.drawPolygon(QPolygonF([head_point, destination_arrow_p1, destination_arrow_p2]))
if self.metadata["confirmation_text"]:
painter.drawText(head_point, self.metadata["confirmation_text"])
def paint(self, painter, option, widget):
"""
Customize line adding an arrow head
:param QPainter painter: Painter instance of the item
:param option: Painter option of the item
:param widget: Widget instance
"""
if not self.source or not self.destination:
return
line = QLineF(self.source_point, self.destination_point)
if qFuzzyCompare(line.length(), 0):
return
# Draw the line itself
color = QColor()
style = Qt.SolidLine
if self.status == ARC_STATUS_STRONG:
color.setNamedColor('blue')
if self.status == ARC_STATUS_WEAK:
color.setNamedColor('salmon')
style = Qt.DashLine
painter.setPen(QPen(color, 1, style, Qt.RoundCap, Qt.RoundJoin))
painter.drawLine(line)
painter.setPen(QPen(color, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
# Draw the arrows
angle = math.acos(line.dx() / line.length())
if line.dy() >= 0:
angle = (2.0 * math.pi) - angle
# arrow in the middle of the arc
hpx = line.p1().x() + (line.dx() / 2.0)
hpy = line.p1().y() + (line.dy() / 2.0)
head_point = QPointF(hpx, hpy)
painter.setPen(QPen(color, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
destination_arrow_p1 = head_point + QPointF(
math.sin(angle - math.pi / 3) * self.arrow_size,
math.cos(angle - math.pi / 3) * self.arrow_size)
destination_arrow_p2 = head_point + QPointF(
math.sin(angle - math.pi + math.pi / 3) * self.arrow_size,
math.cos(angle - math.pi + math.pi / 3) * self.arrow_size)
painter.setBrush(color)
painter.drawPolygon(
QPolygonF([head_point, destination_arrow_p1,
destination_arrow_p2]))
def angle(self, angle):
if not qFuzzyCompare(self.m_angle, angle):
self.m_angle = angle
self.updateMatrix()
self.angleChanged.emit()
def radius(self, radius):
if not qFuzzyCompare(self.m_radius, radius):
self.m_radius = radius
self.updateMatrix()
self.radiusChanged.emit()
