def __init__(self, source, dest):
QtWidgets.QGraphicsItem.__init__(self)
self.setAcceptedMouseButtons(Qt.NoButton)
self.source = source
self.dest = dest
self.commit = source.commit
self.setZValue(-2)
dest_pt = Commit.item_bbox.center()
self.source_pt = self.mapFromItem(self.source, dest_pt)
self.dest_pt = self.mapFromItem(self.dest, dest_pt)
self.line = QtCore.QLineF(self.source_pt, self.dest_pt)
width = self.dest_pt.x() - self.source_pt.x()
height = self.dest_pt.y() - self.source_pt.y()
rect = QtCore.QRectF(self.source_pt, QtCore.QSizeF(width, height))
self.bound = rect.normalized()
# Choose a new color for new branch edges
if self.source.x() < self.dest.x():
color = EdgeColor.cycle()
line = Qt.SolidLine
elif self.source.x() != self.dest.x():
color = EdgeColor.current()
line = Qt.SolidLine
else:
color = EdgeColor.current()
line = Qt.SolidLine
self.pen = QtGui.QPen(color, 4.0, line, Qt.SquareCap, Qt.RoundJoin)
def __init__(self, port, graph, hOffset, color, connectionPointType):
super(PortCircle, self).__init__(port)
self.__port = port
self._graph = graph
self._connectionPointType = connectionPointType
self.__connections = set()
self._supportsOnlySingleConnections = connectionPointType == 'In'
self.setSizePolicy(QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed))
size = QtCore.QSizeF(self.__diameter, self.__diameter)
self.setPreferredSize(size)
self.setWindowFrameMargins(0, 0, 0, 0)
self.transform().translate(self.__radius * hOffset, 0)
self.__defaultPen = QtGui.QPen(QtGui.QColor(25, 25, 25), 1.0)
self.__hoverPen = QtGui.QPen(QtGui.QColor(255, 255, 100), 1.5)
self._ellipseItem = QtWidgets.QGraphicsEllipseItem(self)
self._ellipseItem.setPen(self.__defaultPen)
self._ellipseItem.setPos(size.width()/2, size.height()/2)
self._ellipseItem.setRect(
-self.__radius,
-self.__radius,
self.__diameter,
self.__diameter,
)
if connectionPointType == 'In':
self._ellipseItem.setStartAngle(270 * 16)
self._ellipseItem.setSpanAngle(180 * 16)
self.setColor(color)
self.setAcceptHoverEvents(True)
def updateBar(self):
#w=g.win
w = self.w
width_pixels = self.getValue('width_pixels')
location = self.getValue('location')
orientation = self.getValue('orientation')
view = w.view
textRect = w.scaleBarLabel.boundingRect()
textWidth = textRect.width() * view.viewPixelSize()[0]
textHeight = textRect.height() * view.viewPixelSize()[1]
show_label = self.getValue('show_label')
if location == 'Top Left':
barPoint = QtCore.QPoint(0, 1.3 * textHeight)
w.scaleBarLabel.setPos(
QtCore.QPointF(width_pixels / 2 - textWidth / 2, 0))
elif location == 'Top Right':
barPoint = QtCore.QPoint(self.width - width_pixels,
1.3 * textHeight)
w.scaleBarLabel.setPos(
QtCore.QPointF(self.width - width_pixels / 2 - textWidth / 2,
0))
elif location == 'Lower Right':
barPoint = QtCore.QPoint(self.width - width_pixels,
self.height - 1.3 * textHeight)
w.scaleBarLabel.setPos(
QtCore.QPointF(self.width - width_pixels / 2 - textWidth / 2,
self.height - textHeight))
elif location == 'Lower Left':
barPoint = QtCore.QPoint(0, self.height - 1.3 * textHeight)
w.scaleBarLabel.setPos(
QtCore.QPointF(
QtCore.QPointF(width_pixels / 2 - textWidth / 2,
self.height - textHeight)))
if orientation == 'horizontal':
w.scaleBarLabel.bar.setRect(
QtCore.QRectF(barPoint,
QtCore.QSizeF(width_pixels, textHeight / 4)))
elif orientation == 'vertical':
w.scaleBarLabel.bar.setRect(
QtCore.QRectF(barPoint,
QtCore.QSizeF(textHeight / 4, width_pixels)))
if show_label == False:
w.scaleBarLabel.hide()
def calibrate(self):
''' Require the user to aim the curson in the top left and bottom right corners to set the boundaries of the controller
'''
self.setFixedSize(self.size())
self.reset()
aimRect = QtCore.QRectF(self.graphicsView.mapToScene(0, 0),
self.graphicsView.mapToScene(20, 20))
aim = QtWidgets.QGraphicsRectItem(aimRect)
aim.setBrush(QtGui.QColor(255, 0, 0))
self.scene.addItem(aim)
font = QtGui.QFont("Helvetica", 15, 3)
ti = self.scene.addText(
'Position the laser in optimal top\n left, then press any key',
font=font)
self.scene.keyPressEvent = lambda ev: setattr(
self.scene, 'tempRect',
QtCore.QRectF(self.scene.galvo.pos, QtCore.QSizeF()))
while not hasattr(self.scene, 'tempRect'):
QtWidgets.qApp.processEvents()
time.sleep(.01)
aimRect.moveTo(
self.graphicsView.mapToScene(self.graphicsView.width() - 20,
self.graphicsView.height() - 20))
aim.setRect(aimRect)
self.scene.keyPressEvent = lambda ev: self.scene.tempRect.setSize(
QtCore.QSizeF(self.scene.galvo.pos.x() - self.scene.tempRect.x(),
self.scene.galvo.pos.y() - self.scene.tempRect.y()))
ti.setPlainText(
'Now position the laser in optimal bottom \n right, and press a key'
)
while self.scene.tempRect.isEmpty():
app.processEvents()
time.sleep(.01)
self.scene.removeItem(aim)
self.scene.keyPressEvent = lambda ev: GalvoScene.keyPressEvent(
self.scene, ev)
self.scene.galvo.setBounds(self.scene.tempRect)
del self.scene.tempRect
self.scene.removeItem(ti)
self.setMaximumSize(2000, 2000)
self.setMinimumSize(0, 0)
def image_scene_rect(self):
return QtCore.QRectF(self.graphics_pixmap.pos(),
QtCore.QSizeF(self.pixmap.size()))
def textSize(self):
return QtCore.QSizeF(self.__textItem.textWidth(),
self.__font.pointSizeF())
def textSize(self):
return QtCore.QSizeF(
self.__fontMetrics.width(self.__text),
self.__fontMetrics.height()
)
def textSize(self):
return QtCore.QSizeF(
self.__textItem.textWidth(),
self.__font.pointSizeF() + self.__labelBottomSpacing)
def __call__(self,
unit,
width_units,
width_pixels,
font_size,
color,
background,
location,
orientation,
show=True,
show_label=True,
keepSourceWindow=None):
#w=g.win
w = self.w
if show:
if hasattr(w, 'scaleBarLabel') and w.scaleBarLabel is not None:
w.view.removeItem(w.scaleBarLabel.bar)
w.view.removeItem(w.scaleBarLabel)
try:
w.view.sigResized.disconnect(self.updateBar)
except:
pass
if location == 'Top Left':
anchor = (0, 0)
pos = [0, 0]
elif location == 'Top Right':
anchor = (0, 0)
pos = [self.width, 0]
elif location == 'Lower Right':
anchor = (0, 0)
pos = [self.width, self.height]
elif location == 'Lower Left':
anchor = (0, 0)
pos = [0, self.height]
if unit == 'micro':
unitText = 'μm'
elif unit == 'nano':
unitText = 'nm'
elif unit == 'pixels':
unitText = 'px'
w.scaleBarLabel = pg.TextItem(
anchor=anchor,
html=
"<span style='font-size: {}pt;color:{};background-color:{};'>{} {}</span>"
.format(font_size, color, background, width_units, unitText))
w.scaleBarLabel.setPos(pos[0], pos[1])
w.scaleBarLabel.flika_properties = {
item['name']: item['value']
for item in self.items
}
w.view.addItem(w.scaleBarLabel)
if color == 'White':
color255 = [255, 255, 255, 255]
elif color == 'Black':
color255 = [0, 0, 0, 255]
textRect = w.scaleBarLabel.boundingRect()
if location == 'Top Left':
barPoint = QtCore.QPoint(0, textRect.height())
elif location == 'Top Right':
barPoint = QtCore.QPoint(-width_pixels, textRect.height())
elif location == 'Lower Right':
barPoint = QtCore.QPoint(-width_pixels, -textRect.height())
elif location == 'Lower Left':
barPoint = QtCore.QPoint(0, -textRect.height())
if orientation == 'horizontal':
bar = QtWidgets.QGraphicsRectItem(
QtCore.QRectF(
barPoint,
QtCore.QSizeF(width_pixels, int(font_size / 3))))
elif orientation == 'vertical':
bar = QtWidgets.QGraphicsRectItem(
QtCore.QRectF(
barPoint,
QtCore.QSizeF(int(font_size / 3), width_pixels)))
bar.setPen(pg.mkPen(color255))
bar.setBrush(pg.mkBrush(color255))
w.view.addItem(bar)
#bar.setParentItem(w.scaleBarLabel)
w.scaleBarLabel.bar = bar
w.view.sigResized.connect(self.updateBar)
self.updateBar()
else:
if hasattr(w, 'scaleBarLabel') and w.scaleBarLabel is not None:
w.view.removeItem(w.scaleBarLabel.bar)
w.view.removeItem(w.scaleBarLabel)
w.scaleBarLabel = None
w.view.sigResized.disconnect(self.updateBar)
return None
"QPushButton": QtWidgets.QPushButton(),
},
"PyQt_pickable": {
"QByteArray": QtCore.QByteArray(bytes(range(256))),
"QColor": QtGui.QColor(10, 20, 30, 40),
## "QChar": # n'a plus l'air d'exister dans PyQt5
"QDate": QtCore.QDate(2020, 10, 31),
"QDateTime": QtCore.QDateTime(2020, 10, 31, 20, 30),
"QKeySequence": QtGui.QKeySequence(),
## "QLatin1Char": # n'a plus l'air d'exister dans PyQt5
## "QLatin1String"# n'a plus l'air d'exister dans PyQt5
"QLine": QtCore.QLine(QtCore.QPoint(0, 1), QtCore.QPoint(2, 3)),
"QLineF": QtCore.QLineF(QtCore.QPoint(0.0, 1.1), QtCore.QPoint(2.2, 3.3)),
"QPen": QtGui.QPen(),
"QBrush": QtGui.QBrush(),
"QPoint": QtCore.QPoint(0, 1),
"QPointF": QtCore.QPointF(0.0, 1.1),
"QPolygon": QtGui.QPolygon([QtCore.QPoint(0, 1), QtCore.QPoint(2, 3)]),
"QPolygonF": QtGui.QPolygonF([QtCore.QPoint(0.0, 1.1), QtCore.QPoint(2.2, 3.3)]),
"QRect": QtCore.QRect(QtCore.QPoint(0, 1), QtCore.QPoint(2, 3)),
"QRectF": QtCore.QRectF(QtCore.QPoint(0.0, 1.1), QtCore.QPoint(2.2, 3.3)),
"QSize": QtCore.QSize(10, 20),
"QSizeF": QtCore.QSizeF(10.5, 20.5),
## "QMatrix": # Support for the deprecated QMatrix class has been removed
## "QString": # n'a plus l'air d'exister dans PyQt5
"QTime": QtCore.QTime(20, 30),
"QTransform": QtGui.QTransform(), # pas reducable dans documentation ?
"QVector3D": QtGui.QVector3D(), # pas reducable dans documentation ?
},
}
