code cleanup
This commit is contained in:
Luke Campagnola
parent
99363d0496
commit
79eebe1c02
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@ -113,7 +113,6 @@ class ROI(GraphicsObject):
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sigRemoveRequested = QtCore.Signal(object)
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def __init__(self, pos, size=Point(1, 1), angle=0.0, invertible=False, maxBounds=None, snapSize=1.0, scaleSnap=False, translateSnap=False, rotateSnap=False, parent=None, pen=None, movable=True, removable=False):
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#QObjectWorkaround.__init__(self)
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GraphicsObject.__init__(self, parent)
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self.setAcceptedMouseButtons(QtCore.Qt.NoButton)
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pos = Point(pos)
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@ -148,7 +147,6 @@ class ROI(GraphicsObject):
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self.translateSnap = translateSnap
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self.rotateSnap = rotateSnap
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self.scaleSnap = scaleSnap
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#self.setFlag(self.ItemIsSelectable, True)
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def getState(self):
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return self.stateCopy()
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@ -268,7 +266,6 @@ class ROI(GraphicsObject):
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raise TypeError("update argument must be bool")
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self.state['angle'] = angle
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tr = QtGui.QTransform()
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#tr.rotate(-angle * 180 / np.pi)
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tr.rotate(angle)
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self.setTransform(tr)
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if update:
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@ -316,20 +313,14 @@ class ROI(GraphicsObject):
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newState = self.stateCopy()
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newState['pos'] = newState['pos'] + pt
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## snap position
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#snap = kargs.get('snap', None)
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#if (snap is not False) and not (snap is None and self.translateSnap is False):
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snap = kargs.get('snap', None)
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if snap is None:
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snap = self.translateSnap
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if snap is not False:
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newState['pos'] = self.getSnapPosition(newState['pos'], snap=snap)
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#d = ev.scenePos() - self.mapToScene(self.pressPos)
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if self.maxBounds is not None:
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r = self.stateRect(newState)
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#r0 = self.sceneTransform().mapRect(self.boundingRect())
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d = Point(0,0)
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if self.maxBounds.left() > r.left():
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d[0] = self.maxBounds.left() - r.left()
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@ -341,12 +332,9 @@ class ROI(GraphicsObject):
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d[1] = self.maxBounds.bottom() - r.bottom()
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newState['pos'] += d
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#self.state['pos'] = newState['pos']
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update = kargs.get('update', True)
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finish = kargs.get('finish', True)
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self.setPos(newState['pos'], update=update, finish=finish)
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#if 'update' not in kargs or kargs['update'] is True:
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#self.stateChanged()
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def rotate(self, angle, update=True, finish=True):
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"""
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@ -629,7 +617,6 @@ class ROI(GraphicsObject):
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for h in self.handles:
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h['item'].hide()
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def hoverEvent(self, ev):
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hover = False
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if not ev.isExit():
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@ -870,10 +857,8 @@ class ROI(GraphicsObject):
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r = self.stateRect(newState)
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if not self.maxBounds.contains(r):
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return
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#self.setTransform(tr)
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self.setPos(newState['pos'], update=False)
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self.setAngle(ang, update=False)
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#self.state = newState
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## If this is a free-rotate handle, its distance from the center may change.
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@ -898,7 +883,6 @@ class ROI(GraphicsObject):
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if ang is None:
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return
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if self.rotateSnap or (modifiers & QtCore.Qt.ControlModifier):
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#ang = round(ang / (np.pi/12.)) * (np.pi/12.)
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ang = round(ang / 15.) * 15.
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hs = abs(h['pos'][scaleAxis] - c[scaleAxis])
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@ -949,9 +933,6 @@ class ROI(GraphicsObject):
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if h['item'] in self.childItems():
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p = h['pos']
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h['item'].setPos(h['pos'] * self.state['size'])
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#else:
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# trans = self.state['pos']-self.lastState['pos']
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# h['item'].setPos(h['pos'] + h['item'].parentItem().mapFromParent(trans))
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self.update()
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self.sigRegionChanged.emit(self)
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@ -971,12 +952,10 @@ class ROI(GraphicsObject):
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def stateRect(self, state):
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r = QtCore.QRectF(0, 0, state['size'][0], state['size'][1])
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tr = QtGui.QTransform()
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#tr.rotate(-state['angle'] * 180 / np.pi)
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tr.rotate(-state['angle'])
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r = tr.mapRect(r)
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return r.adjusted(state['pos'][0], state['pos'][1], state['pos'][0], state['pos'][1])
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def getSnapPosition(self, pos, snap=None):
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## Given that pos has been requested, return the nearest snap-to position
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## optionally, snap may be passed in to specify a rectangular snap grid.
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@ -996,7 +975,6 @@ class ROI(GraphicsObject):
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return QtCore.QRectF(0, 0, self.state['size'][0], self.state['size'][1]).normalized()
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def paint(self, p, opt, widget):
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# p.save()
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# Note: don't use self.boundingRect here, because subclasses may need to redefine it.
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r = QtCore.QRectF(0, 0, self.state['size'][0], self.state['size'][1]).normalized()
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@ -1005,7 +983,6 @@ class ROI(GraphicsObject):
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p.translate(r.left(), r.top())
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p.scale(r.width(), r.height())
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p.drawRect(0, 0, 1, 1)
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# p.restore()
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def getArraySlice(self, data, img, axes=(0,1), returnSlice=True):
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"""Return a tuple of slice objects that can be used to slice the region
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@ -1133,11 +1110,8 @@ class ROI(GraphicsObject):
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lvx = np.sqrt(vx.x()**2 + vx.y()**2)
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lvy = np.sqrt(vy.x()**2 + vy.y()**2)
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#pxLen = img.width() / float(data.shape[axes[0]])
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##img.width is number of pixels, not width of item.
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##need pxWidth and pxHeight instead of pxLen ?
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#sx = pxLen / lvx
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#sy = pxLen / lvy
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sx = 1.0 / lvx
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sy = 1.0 / lvy
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@ -1167,7 +1141,6 @@ class ROI(GraphicsObject):
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if width == 0 or height == 0:
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return np.empty((width, height), dtype=float)
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# QImage(width, height, format)
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im = QtGui.QImage(width, height, QtGui.QImage.Format_ARGB32)
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im.fill(0x0)
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p = QtGui.QPainter(im)
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@ -1197,27 +1170,6 @@ class ROI(GraphicsObject):
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t1 = SRTTransform(relativeTo)
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t2 = SRTTransform(st)
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return t2/t1
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#st = self.getState()
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### rotation
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#ang = (st['angle']-relativeTo['angle']) * 180. / 3.14159265358
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#rot = QtGui.QTransform()
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#rot.rotate(-ang)
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### We need to come up with a universal transformation--one that can be applied to other objects
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### such that all maintain alignment.
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### More specifically, we need to turn the ROI's position and angle into
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### a rotation _around the origin_ and a translation.
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#p0 = Point(relativeTo['pos'])
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### base position, rotated
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#p1 = rot.map(p0)
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#trans = Point(st['pos']) - p1
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#return trans, ang
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def applyGlobalTransform(self, tr):
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st = self.getState()
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@ -1239,8 +1191,6 @@ class Handle(UIGraphicsItem):
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Handles may be dragged to change the position, size, orientation, or other
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properties of the ROI they are attached to.
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"""
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types = { ## defines number of sides, start angle for each handle type
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't': (4, np.pi/4),
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@ -1255,9 +1205,6 @@ class Handle(UIGraphicsItem):
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sigRemoveRequested = QtCore.Signal(object) # self
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def __init__(self, radius, typ=None, pen=(200, 200, 220), parent=None, deletable=False):
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#print " create item with parent", parent
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#self.bounds = QtCore.QRectF(-1e-10, -1e-10, 2e-10, 2e-10)
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#self.setFlags(self.ItemIgnoresTransformations | self.ItemSendsScenePositionChanges)
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self.rois = []
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self.radius = radius
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self.typ = typ
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@ -1276,7 +1223,6 @@ class Handle(UIGraphicsItem):
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self.deletable = deletable
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if deletable:
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self.setAcceptedMouseButtons(QtCore.Qt.RightButton)
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#self.updateShape()
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self.setZValue(11)
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def connectROI(self, roi):
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@ -1285,13 +1231,6 @@ class Handle(UIGraphicsItem):
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def disconnectROI(self, roi):
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self.rois.remove(roi)
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#for i, r in enumerate(self.roi):
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#if r[0] == roi:
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#self.roi.pop(i)
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#def close(self):
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#for r in self.roi:
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#r.removeHandle(self)
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def setDeletable(self, b):
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self.deletable = b
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@ -1317,21 +1256,12 @@ class Handle(UIGraphicsItem):
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else:
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self.currentPen = self.pen
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self.update()
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#if (not ev.isExit()) and ev.acceptDrags(QtCore.Qt.LeftButton):
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#self.currentPen = fn.mkPen(255, 255,0)
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#else:
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#self.currentPen = self.pen
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#self.update()
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def mouseClickEvent(self, ev):
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## right-click cancels drag
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if ev.button() == QtCore.Qt.RightButton and self.isMoving:
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self.isMoving = False ## prevents any further motion
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self.movePoint(self.startPos, finish=True)
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#for r in self.roi:
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#r[0].cancelMove()
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ev.accept()
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elif int(ev.button() & self.acceptedMouseButtons()) > 0:
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ev.accept()
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@ -1340,12 +1270,6 @@ class Handle(UIGraphicsItem):
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self.sigClicked.emit(self, ev)
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else:
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ev.ignore()
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#elif self.deletable:
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#ev.accept()
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#self.raiseContextMenu(ev)
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#else:
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#ev.ignore()
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def buildMenu(self):
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menu = QtGui.QMenu()
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@ -1416,36 +1340,10 @@ class Handle(UIGraphicsItem):
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self.path.lineTo(x, y)
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def paint(self, p, opt, widget):
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### determine rotation of transform
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#m = self.sceneTransform()
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##mi = m.inverted()[0]
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#v = m.map(QtCore.QPointF(1, 0)) - m.map(QtCore.QPointF(0, 0))
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#va = np.arctan2(v.y(), v.x())
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### Determine length of unit vector in painter's coords
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##size = mi.map(Point(self.radius, self.radius)) - mi.map(Point(0, 0))
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##size = (size.x()*size.x() + size.y() * size.y()) ** 0.5
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#size = self.radius
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#bounds = QtCore.QRectF(-size, -size, size*2, size*2)
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#if bounds != self.bounds:
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#self.bounds = bounds
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#self.prepareGeometryChange()
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p.setRenderHints(p.Antialiasing, True)
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p.setPen(self.currentPen)
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#p.rotate(va * 180. / 3.1415926)
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#p.drawPath(self.path)
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p.drawPath(self.shape())
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#ang = self.startAng + va
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#dt = 2*np.pi / self.sides
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#for i in range(0, self.sides):
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#x1 = size * cos(ang)
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#y1 = size * sin(ang)
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#x2 = size * cos(ang+dt)
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#y2 = size * sin(ang+dt)
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#ang += dt
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#p.drawLine(Point(x1, y1), Point(x2, y2))
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def shape(self):
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if self._shape is None:
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@ -1457,18 +1355,10 @@ class Handle(UIGraphicsItem):
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return self._shape
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def boundingRect(self):
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#print 'roi:', self.roi
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s1 = self.shape()
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#print " s1:", s1
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#s2 = self.shape()
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#print " s2:", s2
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return self.shape().boundingRect()
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def generateShape(self):
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## determine rotation of transform
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#m = self.sceneTransform() ## Qt bug: do not access sceneTransform() until we know this object has a scene.
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#mi = m.inverted()[0]
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dt = self.deviceTransform()
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if dt is None:
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@ -1486,22 +1376,15 @@ class Handle(UIGraphicsItem):
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return dti.map(tr.map(self.path))
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def viewTransformChanged(self):
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GraphicsObject.viewTransformChanged(self)
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self._shape = None ## invalidate shape, recompute later if requested.
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self.update()
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#def itemChange(self, change, value):
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#if change == self.ItemScenePositionHasChanged:
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#self.updateShape()
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class TestROI(ROI):
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def __init__(self, pos, size, **args):
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#QtGui.QGraphicsRectItem.__init__(self, pos[0], pos[1], size[0], size[1])
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ROI.__init__(self, pos, size, **args)
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#self.addTranslateHandle([0, 0])
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self.addTranslateHandle([0.5, 0.5])
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self.addScaleHandle([1, 1], [0, 0])
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self.addScaleHandle([0, 0], [1, 1])
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@ -1511,7 +1394,6 @@ class TestROI(ROI):
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self.addRotateHandle([0, 1], [1, 1])
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class RectROI(ROI):
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"""
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Rectangular ROI subclass with a single scale handle at the top-right corner.
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@ -1530,14 +1412,12 @@ class RectROI(ROI):
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"""
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def __init__(self, pos, size, centered=False, sideScalers=False, **args):
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#QtGui.QGraphicsRectItem.__init__(self, 0, 0, size[0], size[1])
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ROI.__init__(self, pos, size, **args)
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if centered:
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center = [0.5, 0.5]
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else:
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center = [0, 0]
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#self.addTranslateHandle(center)
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self.addScaleHandle([1, 1], center)
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if sideScalers:
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self.addScaleHandle([1, 0.5], [center[0], 0.5])
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@ -1646,7 +1526,6 @@ class MultiRectROI(QtGui.QGraphicsObject):
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rgn = l.getArrayRegion(arr, img, axes=axes, **kwds)
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if rgn is None:
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continue
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#return None
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rgns.append(rgn)
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#print l.state['size']
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@ -1731,7 +1610,6 @@ class EllipseROI(ROI):
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"""
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def __init__(self, pos, size, **args):
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#QtGui.QGraphicsRectItem.__init__(self, 0, 0, size[0], size[1])
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self.path = None
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ROI.__init__(self, pos, size, **args)
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self.sigRegionChanged.connect(self._clearPath)
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@ -1835,22 +1713,14 @@ class PolygonROI(ROI):
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if pos is None:
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pos = [0,0]
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ROI.__init__(self, pos, [1,1], **args)
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#ROI.__init__(self, positions[0])
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for p in positions:
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self.addFreeHandle(p)
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self.setZValue(1000)
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print("Warning: PolygonROI is deprecated. Use PolyLineROI instead.")
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def listPoints(self):
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return [p['item'].pos() for p in self.handles]
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#def movePoint(self, *args, **kargs):
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#ROI.movePoint(self, *args, **kargs)
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#self.prepareGeometryChange()
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#for h in self.handles:
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#h['pos'] = h['item'].pos()
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def paint(self, p, *args):
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p.setRenderHint(QtGui.QPainter.Antialiasing)
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p.setPen(self.currentPen)
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@ -1877,7 +1747,6 @@ class PolygonROI(ROI):
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sc['pos'] = Point(self.state['pos'])
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sc['size'] = Point(self.state['size'])
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sc['angle'] = self.state['angle']
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#sc['handles'] = self.handles
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return sc
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@ -2097,7 +1966,6 @@ class LineSegmentROI(ROI):
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pos = [0,0]
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ROI.__init__(self, pos, [1,1], **args)
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#ROI.__init__(self, positions[0])
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if len(positions) > 2:
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raise Exception("LineSegmentROI must be defined by exactly 2 positions. For more points, use PolyLineROI.")
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@ -2193,7 +2061,6 @@ class CrosshairROI(ROI):
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def __init__(self, pos=None, size=None, **kargs):
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if size == None:
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#size = [100e-6,100e-6]
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size=[1,1]
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if pos == None:
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pos = [0,0]
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