def createenarrow(self, shape):
"""
This function creates the Arrows at the end point of a shape when the
shape is selected.
@param shape: The shape for which the Arrow shall be created.
"""
length = 20
end, end_ang = shape.get_st_en_points(1)
arrow = Arrow(startp=end,
length=length, angle=end_ang,
color=QtGui.QColor(0, 245, 100),
pencolor=QtGui.QColor(0, 180, 50),
dir=1)
arrow.hide()
return arrow
def createstarrow(self, shape):
"""
This function creates the Arrows at the end point of a shape when the
shape is selected.
@param shape: The shape for which the Arrow shall be created.
"""
length = 20
start, start_ang = shape.get_st_en_points(0)
arrow = Arrow(startp=start,
length=length,
angle=start_ang,
color=QtGui.QColor(50, 200, 255),
pencolor=QtGui.QColor(50, 100, 255))
arrow.hide()
return arrow
def createccarrow(self):
"""
createccarrow()
"""
length = 20
if self.shape.cut_cor == 40:
self.ccarrow = None
elif self.shape.cut_cor == 41:
self.ccarrow = Arrow(startp=self.startp,
length=length,
angle=self.angle + pi / 2,
color=QtGui.QColor(200, 200, 255),
pencolor=QtGui.QColor(200, 100, 255))
self.ccarrow.setParentItem(self)
else:
self.ccarrow = Arrow(startp=self.startp,
length=length,
angle=self.angle - pi / 2,
color=QtGui.QColor(200, 200, 255),
pencolor=QtGui.QColor(200, 100, 255))
self.ccarrow.setParentItem(self)
def createccarrow(self):
"""
createccarrow()
"""
length = 20
if self.shape.cut_cor == 40:
self.ccarrow = None
elif self.shape.cut_cor == 41:
self.ccarrow = Arrow(startp=self.startp,
length=length,
angle=self.angle+pi/2,
color=QtGui.QColor(200, 200, 255),
pencolor=QtGui.QColor(200, 100, 255))
self.ccarrow.setParentItem(self)
else:
self.ccarrow = Arrow(startp=self.startp,
length=length,
angle=self.angle-pi/2,
color=QtGui.QColor(200, 200, 255),
pencolor=QtGui.QColor(200, 100, 255))
self.ccarrow.setParentItem(self)
def addexprouteen(self):
"""
This function initialises the Arrows of the export route order and
its numbers.
@param shapes_st_en_points: The start and end points of the shapes.
@param route: The order of the shapes to be plotted.
"""
x_st = g.config.vars.Plane_Coordinates['axis1_start_end']
y_st = g.config.vars.Plane_Coordinates['axis2_start_end']
st = self.expprv
en = Point(x=x_st, y=y_st)
self.expcol = QtCore.Qt.darkRed
self.routearrows.append(
Arrow(startp=st, endp=en, color=self.expcol, pencolor=self.expcol))
self.addItem(self.routearrows[-1])
def addexproute(self, exp_order, layer_nr):
"""
This function initialises the Arrows of the export route order and
its numbers.
@param shapes_st_en_points: The start and end points of the shapes.
@param route: The order of the shapes to be plotted.
"""
x_st = g.config.vars.Plane_Coordinates['axis1_start_end']
y_st = g.config.vars.Plane_Coordinates['axis2_start_end']
start = Point(x=x_st, y=y_st)
ende = Point(x=x_st, y=y_st)
#shapes_st_en_points.append([start,ende])
#Print the optimised route
for shape_nr in range(len(exp_order)):
st = self.expprv
[en, dummy] = self.shapes[exp_order[shape_nr]].get_st_en_points(0)
[self.expprv,
dummy] = self.shapes[exp_order[shape_nr]].get_st_en_points(1)
# st=shapes_st_en_points[route[st_nr]][1]
# en=shapes_st_en_points[route[en_nr]][0]
self.routearrows.append(
Arrow(startp=st,
endp=en,
color=self.expcol,
pencolor=self.expcol))
self.expcol = QtCore.Qt.darkGray
self.routetext.append(
RouteText(text=("%s,%s" % (layer_nr, shape_nr + 1)),
startp=en))
#self.routetext[-1].ItemIgnoresTransformations
self.addItem(self.routetext[-1])
self.addItem(self.routearrows[-1])
class StMove(QtGui.QGraphicsLineItem):
"""
This Function generates the StartMove for each shape. It
also performs the Plotting and Export of this moves. It is linked
to the shape as its parent
"""
def __init__(self,
startp,
angle,
pencolor=QtCore.Qt.green,
shape=None,
parent=None):
"""
Initialisation of the class.
@param startp: Startpoint of the shape where to add the move.
The coordinates are given in scaled coordinates.
@param angle: Angle of the Startmove to end with.
@param pencolor: Used only for plotting purposes
@param shape: Shape for which the start move is created
@param parent: parent EntitieContent Class on which the
geometries are added.
"""
self.sc = 1
super(StMove, self).__init__()
self.startp = startp
self.endp = startp
self.angle = angle
self.shape = shape
self.parent = parent
self.allwaysshow = False
self.geos = []
self.path = QtGui.QPainterPath()
self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, False)
self.pen = QtGui.QPen(pencolor, 1, QtCore.Qt.SolidLine,
QtCore.Qt.RoundCap, QtCore.Qt.RoundJoin)
self.pen.setCosmetic(True)
self.make_start_moves()
self.createccarrow()
self.make_papath()
def contains_point(self, x, y):
"""
TODO - check as this returns a constant
"""
min_distance = float(0x7fffffff)
return min_distance
def make_start_moves(self):
"""
This function called to create the start move. It will
be generated based on the given values for start and angle.
"""
del (self.geos[:])
if g.config.machine_type == 'drag_knife':
self.make_swivelknife_move()
return
#BaseEntitie created to add the StartMoves etc. This Entitie must not
#be offset or rotated etc.
BaseEntitie = EntitieContentClass(Nr=-1,
Name='BaseEntitie',
parent=None,
children=[],
p0=Point(x=0.0, y=0.0),
pb=Point(x=0.0, y=0.0),
sca=[1, 1, 1],
rot=0.0)
self.parent = BaseEntitie
#Get the start rad. and the length of the line segment at begin.
start_rad = self.shape.LayerContent.start_radius
start_ver = start_rad
#Get tool radius based on tool diameter.
tool_rad = self.shape.LayerContent.tool_diameter / 2
#Calculate the starting point with and without compensation.
start = self.startp
angle = self.angle
if self.shape.cut_cor == 40:
self.geos.append(start)
#Cutting Compensation Left
elif self.shape.cut_cor == 41:
#Center of the Starting Radius.
Oein = start.get_arc_point(angle + pi / 2, start_rad + tool_rad)
#Start Point of the Radius
Pa_ein = Oein.get_arc_point(angle + pi, start_rad + tool_rad)
#Start Point of the straight line segment at begin.
Pg_ein = Pa_ein.get_arc_point(angle + pi / 2, start_ver)
#Get the dive point for the starting contour and append it.
start_ein = Pg_ein.get_arc_point(angle, tool_rad)
self.geos.append(start_ein)
#generate the Start Line and append it including the compensation.
start_line = LineGeo(Pg_ein, Pa_ein)
self.geos.append(start_line)
#generate the start rad. and append it.
start_rad = ArcGeo(Pa=Pa_ein,
Pe=start,
O=Oein,
r=start_rad + tool_rad,
direction=1)
self.geos.append(start_rad)
#Cutting Compensation Right
elif self.shape.cut_cor == 42:
#Center of the Starting Radius.
Oein = start.get_arc_point(angle - pi / 2, start_rad + tool_rad)
#Start Point of the Radius
Pa_ein = Oein.get_arc_point(angle + pi, start_rad + tool_rad)
#Start Point of the straight line segment at begin.
Pg_ein = Pa_ein.get_arc_point(angle - pi / 2, start_ver)
#Get the dive point for the starting contour and append it.
start_ein = Pg_ein.get_arc_point(angle, tool_rad)
self.geos.append(start_ein)
#generate the Start Line and append it including the compensation.
start_line = LineGeo(Pg_ein, Pa_ein)
self.geos.append(start_line)
#generate the start rad. and append it.
start_rad = ArcGeo(Pa=Pa_ein,
Pe=start,
O=Oein,
r=start_rad + tool_rad,
direction=0)
self.geos.append(start_rad)
def make_swivelknife_move(self):
"""
Set these variables for your tool and material
@param offset: knife tip distance from tool centerline. The radius of the
tool is used for this.
"""
offset = self.shape.LayerContent.tool_diameter / 2
dragAngle = self.shape.dragAngle
startnorm = offset * Point(1, 0, 0)
prvend, prvnorm = Point(0, 0), Point(0, 0)
first = 1
#start = self.startp
#Use The same parent as for the shape
self.parent = self.shape.parent
for geo in self.shape.geos:
if geo.type == 'LineGeo':
geo_b = deepcopy(geo)
if first:
first = 0
prvend = geo_b.Pa + startnorm
prvnorm = startnorm
norm = offset * geo_b.Pa.unit_vector(geo_b.Pe)
geo_b.Pa += norm
geo_b.Pe += norm
if not prvnorm == norm:
swivel = ArcGeo(Pa=prvend,
Pe=geo_b.Pa,
r=offset,
direction=prvnorm.cross_product(norm).z)
swivel.drag = dragAngle < abs(swivel.ext)
self.geos.append(swivel)
self.geos.append(geo_b)
prvend = geo_b.Pe
prvnorm = norm
elif geo.type == 'ArcGeo':
geo_b = deepcopy(geo)
if first:
first = 0
prvend = geo_b.Pa + startnorm
prvnorm = startnorm
if geo_b.ext > 0.0:
norma = offset * Point(cos(geo_b.s_ang + pi / 2),
sin(geo_b.s_ang + pi / 2))
norme = Point(cos(geo_b.e_ang + pi / 2),
sin(geo_b.e_ang + pi / 2))
else:
norma = offset * Point(cos(geo_b.s_ang - pi / 2),
sin(geo_b.s_ang - pi / 2))
norme = Point(cos(geo_b.e_ang - pi / 2),
sin(geo_b.e_ang - pi / 2))
geo_b.Pa += norma
if norme.x > 0:
geo_b.Pe = Point(
geo_b.Pe.x + offset / (sqrt(1 +
(norme.y / norme.x)**2)),
geo_b.Pe.y + (offset * norme.y / norme.x) /
(sqrt(1 + (norme.y / norme.x)**2)))
elif norme.x == 0:
geo_b.Pe = Point(geo_b.Pe.x, geo_b.Pe.y)
else:
geo_b.Pe = Point(
geo_b.Pe.x - offset / (sqrt(1 +
(norme.y / norme.x)**2)),
geo_b.Pe.y - (offset * norme.y / norme.x) /
(sqrt(1 + (norme.y / norme.x)**2)))
if not prvnorm == norma:
swivel = ArcGeo(Pa=prvend,
Pe=geo_b.Pa,
r=offset,
direction=prvnorm.cross_product(norma).z)
swivel.drag = dragAngle < abs(swivel.ext)
self.geos.append(swivel)
prvend = geo_b.Pe
prvnorm = offset * norme
if -pi < geo_b.ext < pi:
self.geos.append(
ArcGeo(Pa=geo_b.Pa,
Pe=geo_b.Pe,
r=sqrt(geo_b.r**2 + offset**2),
direction=geo_b.ext))
else:
geo_b = ArcGeo(Pa=geo_b.Pa,
Pe=geo_b.Pe,
r=sqrt(geo_b.r**2 + offset**2),
direction=-geo_b.ext)
geo_b.ext = -geo_b.ext
self.geos.append(geo_b)
#else:
# self.geos.append(copy(geo))
if not prvnorm == startnorm:
self.geos.append(
ArcGeo(Pa=prvend,
Pe=prvend - prvnorm + startnorm,
r=offset,
direction=prvnorm.cross_product(startnorm).z))
self.geos.insert(0, self.geos[0].Pa)
def updateCutCor(self, cutcor):
"""
This function is called to update the Cutter Correction, and therefore
the start moves, if something has changed or it needs generated for
first time.
"""
logger.debug("Updating CutterCorrection of Selected shape")
self.cutcor = cutcor
self.make_start_moves()
def updateCCplot(self):
"""
This function is called to update the Cutter Correction plotting, and
therefore the start moves, if something has changed or it needs
generated for first time.
"""
logger.debug("Updating CutterCorrection of Selected shape plotting")
if not (self.ccarrow is None):
logger.debug("Removing ccarrow from scene")
self.ccarrow.hide()
logger.debug("Parent Item: %s" % self.ccarrow.parentItem())
del (self.ccarrow)
self.ccarrow = None
self.createccarrow()
self.make_papath()
self.update()
def createccarrow(self):
"""
createccarrow()
"""
length = 20
if self.shape.cut_cor == 40:
self.ccarrow = None
elif self.shape.cut_cor == 41:
self.ccarrow = Arrow(startp=self.startp,
length=length,
angle=self.angle + pi / 2,
color=QtGui.QColor(200, 200, 255),
pencolor=QtGui.QColor(200, 100, 255))
self.ccarrow.setParentItem(self)
else:
self.ccarrow = Arrow(startp=self.startp,
length=length,
angle=self.angle - pi / 2,
color=QtGui.QColor(200, 200, 255),
pencolor=QtGui.QColor(200, 100, 255))
self.ccarrow.setParentItem(self)
def update_plot(self, startp, angle):
"""
Method is called after update of the Shapes Startpoint
@param startp: The new startpoint
@param angle: the new Angle of the Startpoint
"""
self.startp = startp
self.endp = startp
self.angle = angle
if self.shape.cut_cor == 40:
self.ccarrow = None
elif self.shape.cut_cor == 41:
self.ccarrow.updatepos(startp, angle=angle + pi / 2)
else:
self.ccarrow.updatepos(startp, angle=angle - pi / 2)
self.make_start_moves()
self.make_papath()
def make_papath(self):
"""
To be called if a Shape shall be printed to the canvas
@param canvas: The canvas to be printed in
@param pospro: The color of the shape
"""
self.hide()
del (self.path)
self.path = QtGui.QPainterPath()
for geo in self.geos:
geo.add2path(papath=self.path,
parent=self.parent,
layerContent=None)
self.show()
def setSelected(self, flag=True):
"""
Override inherited function to turn off selection of Arrows.
@param flag: The flag to enable or disable Selection
"""
if self.allwaysshow:
pass
elif flag is True:
self.show()
else:
self.hide()
self.update(self.boundingRect())
def reverseshape(self, startp, angle):
"""
Method is called when the shape direction is changed and therefore the
arrow gets new Point and direction
@param startp: The new startpoint
@param angle: The new angle of the arrow
"""
self.startp = startp
self.angle = angle
self.update_plot(startp, angle)
def setallwaysshow(self, flag=False):
"""
If the directions shall be allwaysshown the parameter will be set and
all paths will be shown.
@param flag: The flag to enable or disable Selection
"""
self.allwaysshow = flag
if flag is True:
self.show()
elif flag is True and self.isSelected():
self.show()
else:
self.hide()
self.update(self.boundingRect())
def paint(self, painter, option, widget=None):
"""
Method for painting the arrow.
"""
painter.setPen(self.pen)
painter.drawPath(self.path)
def boundingRect(self):
"""
Required method for painting. Inherited by Painterpath
@return: Gives the Bounding Box
"""
return self.path.boundingRect()
class StMove(QtGui.QGraphicsLineItem):
"""
This Function generates the StartMove for each shape. It
also performs the Plotting and Export of this moves. It is linked
to the shape of its parent
"""
def __init__(self, startp, angle,
pencolor=QtCore.Qt.green,
shape=None, parent=None):
"""
Initialisation of the class.
@param startp: Startpoint of the shape where to add the move.
The coordinates are given in scaled coordinates.
@param angle: Angle of the Startmove to end with.
@param pencolor: Used only for plotting purposes
@param shape: Shape for which the start move is created
@param parent: parent EntityContentClass on which the
geometries are added.
"""
self.sc = 1
super(StMove, self).__init__()
self.startp = startp
self.endp = startp
self.angle = angle
self.shape = shape
self.parent = parent
self.allwaysshow = False
self.geos = []
self.path = QtGui.QPainterPath()
self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, False)
self.pen = QtGui.QPen(pencolor, 1, QtCore.Qt.SolidLine,
QtCore.Qt.RoundCap, QtCore.Qt.RoundJoin)
self.pen.setCosmetic(True)
self.make_start_moves()
self.createccarrow()
self.make_papath()
def contains_point(self, point):
"""
StMove cannot be selected. Return maximal distance
"""
return float(0x7fffffff)
def make_start_moves(self):
"""
This function called to create the start move. It will
be generated based on the given values for start and angle.
"""
del(self.geos[:])
if g.config.machine_type == 'drag_knife':
self.make_swivelknife_move()
return
#BaseEntitie created to add the StartMoves etc. This Entitie must not
#be offset or rotated etc.
BaseEntitie = EntityContentClass(Nr= -1, Name='BaseEntitie',
parent=None,
children=[],
p0=Point(x=0.0, y=0.0),
pb=Point(x=0.0, y=0.0),
sca=[1, 1, 1],
rot=0.0)
self.parent = BaseEntitie
#Get the start rad. and the length of the line segment at begin.
start_rad = self.shape.LayerContent.start_radius
start_ver = start_rad
#Get tool radius based on tool diameter.
tool_rad = self.shape.LayerContent.tool_diameter/2
#Calculate the starting point with and without compensation.
start = self.startp
angle = self.angle
if self.shape.cut_cor == 40:
self.geos.append(start)
#Cutting Compensation Left
elif self.shape.cut_cor == 41:
#Center of the Starting Radius.
Oein = start.get_arc_point(angle + pi/2, start_rad + tool_rad)
#Start Point of the Radius
Pa_ein = Oein.get_arc_point(angle + pi, start_rad + tool_rad)
#Start Point of the straight line segment at begin.
Pg_ein = Pa_ein.get_arc_point(angle + pi/2, start_ver)
#Get the dive point for the starting contour and append it.
start_ein = Pg_ein.get_arc_point(angle, tool_rad)
self.geos.append(start_ein)
#generate the Start Line and append it including the compensation.
start_line = LineGeo(Pg_ein, Pa_ein)
self.geos.append(start_line)
#generate the start rad. and append it.
start_rad = ArcGeo(Ps=Pa_ein, Pe=start, O=Oein,
r=start_rad + tool_rad, direction=1)
self.geos.append(start_rad)
#Cutting Compensation Right
elif self.shape.cut_cor == 42:
#Center of the Starting Radius.
Oein = start.get_arc_point(angle - pi/2, start_rad + tool_rad)
#Start Point of the Radius
Pa_ein = Oein.get_arc_point(angle + pi, start_rad + tool_rad)
#Start Point of the straight line segment at begin.
Pg_ein = Pa_ein.get_arc_point(angle - pi/2, start_ver)
#Get the dive point for the starting contour and append it.
start_ein = Pg_ein.get_arc_point(angle, tool_rad)
self.geos.append(start_ein)
#generate the Start Line and append it including the compensation.
start_line = LineGeo(Pg_ein, Pa_ein)
self.geos.append(start_line)
#generate the start rad. and append it.
start_rad = ArcGeo(Ps=Pa_ein, Pe=start, O=Oein,
r=start_rad + tool_rad, direction=0)
self.geos.append(start_rad)
def make_swivelknife_move(self):
"""
Set these variables for your tool and material
@param offset: knife tip distance from tool centerline. The radius of the
tool is used for this.
"""
offset = self.shape.LayerContent.tool_diameter/2
dragAngle = self.shape.dragAngle
startnorm = offset*Point(1, 0, 0) # TODO make knife direction a config setting
prvend, prvnorm = Point(), Point()
first = 1
#Use The same parent as for the shape
self.parent = self.shape.parent
for geo in self.shape.geos:
if geo.type == 'LineGeo':
geo_b = deepcopy(geo)
if first:
first = 0
prvend = geo_b.Ps + startnorm
prvnorm = startnorm
if geo_b.Ps != geo_b.Pe: # TODO this "fix" should be done during import
norm = offset * geo_b.Ps.unit_vector(geo_b.Pe)
geo_b.Ps += norm
geo_b.Pe += norm
if not prvnorm == norm:
swivel = ArcGeo(Ps=prvend, Pe=geo_b.Ps, r=offset, direction=prvnorm.cross_product(norm).z)
swivel.drag = dragAngle < abs(swivel.ext)
self.geos.append(swivel)
self.geos.append(geo_b)
prvend = geo_b.Pe
prvnorm = norm
elif geo.type == 'ArcGeo':
geo_b = deepcopy(geo)
if first:
first = 0
prvend = geo_b.Ps + startnorm
prvnorm = startnorm
if geo_b.ext > 0.0:
norma = offset*Point(cos(geo_b.s_ang+pi/2), sin(geo_b.s_ang+pi/2))
norme = Point(cos(geo_b.e_ang+pi/2), sin(geo_b.e_ang+pi/2))
else:
norma = offset*Point(cos(geo_b.s_ang-pi/2), sin(geo_b.s_ang-pi/2))
norme = Point(cos(geo_b.e_ang-pi/2), sin(geo_b.e_ang-pi/2))
geo_b.Ps += norma
if norme.x > 0:
geo_b.Pe = Point(geo_b.Pe.x+offset/(sqrt(1+(norme.y/norme.x)**2)),
geo_b.Pe.y+(offset*norme.y/norme.x)/(sqrt(1+(norme.y/norme.x)**2)))
elif norme.x == 0:
geo_b.Pe = Point(geo_b.Pe.x,
geo_b.Pe.y)
else:
geo_b.Pe = Point(geo_b.Pe.x-offset/(sqrt(1+(norme.y/norme.x)**2)),
geo_b.Pe.y-(offset*norme.y/norme.x)/(sqrt(1+(norme.y/norme.x)**2)))
if prvnorm != norma:
swivel = ArcGeo(Ps=prvend, Pe=geo_b.Ps, r=offset, direction=prvnorm.cross_product(norma).z)
swivel.drag = dragAngle < abs(swivel.ext)
self.geos.append(swivel)
prvend = geo_b.Pe
prvnorm = offset*norme
if -pi < geo_b.ext < pi:
self.geos.append(ArcGeo(Ps=geo_b.Ps, Pe=geo_b.Pe, r=sqrt(geo_b.r**2+offset**2), direction=geo_b.ext))
else:
geo_b = ArcGeo(Ps=geo_b.Ps, Pe=geo_b.Pe, r=sqrt(geo_b.r**2+offset**2), direction=-geo_b.ext)
geo_b.ext = -geo_b.ext
self.geos.append(geo_b)
# TODO support different geos, or disable them in the GUI
# else:
# self.geos.append(copy(geo))
if not prvnorm == startnorm:
self.geos.append(ArcGeo(Ps=prvend, Pe=prvend-prvnorm+startnorm, r=offset, direction=prvnorm.cross_product(startnorm).z))
self.geos.insert(0, self.geos[0].Ps)
def updateCutCor(self, cutcor):
"""
This function is called to update the Cutter Correction, and therefore
the start moves, if something has changed or it needs generated for
first time.
"""
logger.debug("Updating CutterCorrection of Selected shape")
self.cutcor = cutcor
self.make_start_moves()
def updateCCplot(self):
"""
This function is called to update the Cutter Correction plotting, and
therefore the start moves, if something has changed or it needs
generated for first time.
"""
logger.debug("Updating CutterCorrection of Selected shape plotting")
if not(self.ccarrow is None):
logger.debug("Removing ccarrow from scene")
self.ccarrow.hide()
logger.debug("Parent Item: %s" %self.ccarrow.parentItem())
del(self.ccarrow)
self.ccarrow = None
self.createccarrow()
self.make_papath()
self.update()
def createccarrow(self):
"""
createccarrow()
"""
length = 20
if self.shape.cut_cor == 40:
self.ccarrow = None
elif self.shape.cut_cor == 41:
self.ccarrow = Arrow(startp=self.startp,
length=length,
angle=self.angle+pi/2,
color=QtGui.QColor(200, 200, 255),
pencolor=QtGui.QColor(200, 100, 255))
self.ccarrow.setParentItem(self)
else:
self.ccarrow = Arrow(startp=self.startp,
length=length,
angle=self.angle-pi/2,
color=QtGui.QColor(200, 200, 255),
pencolor=QtGui.QColor(200, 100, 255))
self.ccarrow.setParentItem(self)
def update_plot(self, startp, angle):
"""
Method is called after update of the Shapes Startpoint
@param startp: The new startpoint
@param angle: the new Angle of the Startpoint
"""
self.startp = startp
self.endp = startp
self.angle = angle
if self.shape.cut_cor == 40:
self.ccarrow = None
elif self.shape.cut_cor == 41:
self.ccarrow.updatepos(startp, angle=angle+pi/2)
else:
self.ccarrow.updatepos(startp, angle=angle-pi/2)
self.make_start_moves()
self.make_papath()
def make_papath(self):
"""
To be called if a Shape shall be printed to the canvas
@param canvas: The canvas to be printed in
@param pospro: The color of the shape
"""
self.hide()
del(self.path)
self.path = QtGui.QPainterPath()
for geo in self.geos:
geo.add2path(papath=self.path, parent=self.parent, layerContent=None)
self.show()
def setSelected(self, flag=True):
"""
Override inherited function to turn off selection of Arrows.
@param flag: The flag to enable or disable Selection
"""
if self.allwaysshow:
pass
elif flag is True:
self.show()
else:
self.hide()
self.update(self.boundingRect())
def reverseshape(self, startp, angle):
"""
Method is called when the shape direction is changed and therefore the
arrow gets new Point and direction
@param startp: The new startpoint
@param angle: The new angle of the arrow
"""
self.startp = startp
self.angle = angle
self.update_plot(startp, angle)
def setallwaysshow(self, flag=False):
"""
If the directions shall be allwaysshown the parameter will be set and
all paths will be shown.
@param flag: The flag to enable or disable Selection
"""
self.allwaysshow = flag
if flag is True:
self.show()
elif flag is True and self.isSelected():
self.show()
else:
self.hide()
self.update(self.boundingRect())
def paint(self, painter, option, widget=None):
"""
Method for painting the arrow.
"""
painter.setPen(self.pen)
painter.drawPath(self.path)
def boundingRect(self):
"""
Required method for painting. Inherited by Painterpath
@return: Gives the Bounding Box
"""
return self.path.boundingRect()
