def boundingRect(self):
br = UIGraphicsItem.boundingRect(self)
rng = self.getRegion()
if self.orientation == LinearRegionItem.Vertical:
br.setLeft(rng[0])
br.setRight(rng[1])
else:
br.setTop(rng[0])
br.setBottom(rng[1])
return br.normalized()
def boundingRect(self):
br = UIGraphicsItem.boundingRect(self)
rng = self.getRegion()
if self.orientation == LinearRegionItem.Vertical:
br.setLeft(rng[0])
br.setRight(rng[1])
else:
br.setTop(rng[0])
br.setBottom(rng[1])
return br.normalized()
def boundingRect(self):
br = UIGraphicsItem.boundingRect(self)
## add a 4-pixel radius around the line for mouse interaction.
#print "line bounds:", self, br
dt = self.deviceTransform()
if dt is None:
return QtCore.QRectF()
lineDir = Point(dt.map(Point(1, 0)) - dt.map(Point(0,0))) ## direction of line in pixel-space
orthoDir = Point(lineDir[1], -lineDir[0]) ## orthogonal to line in pixel-space
try:
norm = orthoDir.norm() ## direction of one pixel orthogonal to line
except ZeroDivisionError:
return br
dti = dt.inverted()[0]
px = Point(dti.map(norm)-dti.map(Point(0,0))) ## orthogonal pixel mapped back to item coords
px = px[1] ## project to y-direction
br.setBottom(-px*4)
br.setTop(px*4)
return br.normalized()
def boundingRect(self):
br = UIGraphicsItem.boundingRect(self)
## add a 4-pixel radius around the line for mouse interaction.
#print "line bounds:", self, br
dt = self.deviceTransform()
if dt is None:
return QtCore.QRectF()
lineDir = Point(dt.map(Point(1, 0)) - dt.map(Point(0,0))) ## direction of line in pixel-space
orthoDir = Point(lineDir[1], -lineDir[0]) ## orthogonal to line in pixel-space
try:
norm = orthoDir.norm() ## direction of one pixel orthogonal to line
except ZeroDivisionError:
return br
dti = dt.inverted()[0]
px = Point(dti.map(norm)-dti.map(Point(0,0))) ## orthogonal pixel mapped back to item coords
px = px[1] ## project to y-direction
br.setBottom(-px*4)
br.setTop(px*4)
return br.normalized()
