def cursorForEffect(self, effectName):
"""Return an instance of QCursor customized for the given effectName.
TODO: this could be moved to the EffectTool class so that effects can manage
per-widget cursors, possibly turning them off or making them dynamic
"""
if not effectName in self.effectCursors:
baseImage = qt.QImage(":/Icons/AnnotationPointWithArrow.png")
effectImage = qt.QImage(self.effectIconFiles[effectName])
width = max(baseImage.width(), effectImage.width())
pad = -9
height = pad + baseImage.height() + effectImage.height()
width = height = max(width, height)
center = int(width / 2)
cursorImage = qt.QImage(width, height, qt.QImage().Format_ARGB32)
painter = qt.QPainter()
cursorImage.fill(0)
painter.begin(cursorImage)
point = qt.QPoint(center - (baseImage.width() / 2), 0)
painter.drawImage(point, baseImage)
point.setX(center - (effectImage.width() / 2))
point.setY(cursorImage.height() - effectImage.height())
painter.drawImage(point, effectImage)
painter.end()
cursorPixmap = qt.QPixmap()
cursorPixmap = cursorPixmap.fromImage(cursorImage)
self.effectCursors[effectName] = qt.QCursor(
cursorPixmap, center, 0)
return self.effectCursors[effectName]
def __init__(self,
parent=None,
width=400,
height=400,
showWidget=False,
scale=False):
super(LayerReveal, self).__init__()
self.width = width
self.height = height
self.showWidget = showWidget
self.scale = scale
self.renderer = None
# utility Qt instances for use in methods
self.gray = qt.QColor()
self.gray.setRedF(0.5)
self.gray.setGreenF(0.5)
self.gray.setBlueF(0.5)
# a painter to use for various jobs
self.painter = qt.QPainter()
# make a qwidget display
if self.showWidget:
self.frame = qt.QFrame(parent)
mw = slicer.util.mainWindow()
self.frame.setGeometry(mw.x, mw.y, self.width, self.height)
self.frameLayout = qt.QVBoxLayout(self.frame)
self.label = qt.QLabel()
self.frameLayout.addWidget(self.label)
self.frame.show()
# make an image actor in the slice view
self.vtkImage = vtk.vtkImageData()
self.mrmlUtils = slicer.qMRMLUtils()
self.imageMapper = vtk.vtkImageMapper()
self.imageMapper.SetColorLevel(128)
self.imageMapper.SetColorWindow(255)
if vtk.VTK_MAJOR_VERSION <= 5:
self.imageMapper.SetInput(self.vtkImage)
else:
self.imageMapper.SetInputData(self.vtkImage)
self.actor2D = vtk.vtkActor2D()
self.actor2D.SetMapper(self.imageMapper)
def paintEvent(self, e):
qp = qt.QPainter()
qp.begin(self)
self.drawLines(qp)
qp.end()
def __init__(self,parent=None,width=400,height=400,showWidget=False,scale=False):
super(ROIManager,self).__init__()
self.width = width
self.height = height
self.showWidget = showWidget
self.scale = scale
self.renderer = None
self.ROIRadius = 20.0
self.minValueBG=0
self.maxValueBG=0
self.minValueFG=0
self.maxValueFG=0
self.probeWidget = None
self.drawOverlay = 0
# utility Qt instances for use in methods
self.gray = qt.QColor()
self.gray.setRedF(0.5)
self.gray.setGreenF(0.5)
self.gray.setBlueF(0.5)
# a painter to use for various jobs
self.painter = qt.QPainter()
# make a qwidget display
if self.showWidget:
self.frame = qt.QFrame(parent)
mw = slicer.util.mainWindow()
self.frame.setGeometry(mw.x, mw.y, self.width, self.height)
self.frameLayout = qt.QVBoxLayout(self.frame)
self.label = qt.QLabel()
self.frameLayout.addWidget(self.label)
self.frame.show()
# make an image actor in the slice view
self.vtkImage = vtk.vtkImageData()
self.mrmlUtils = slicer.qMRMLUtils()
self.imageMapper = vtk.vtkImageMapper()
self.imageMapper.SetColorLevel(128)
self.imageMapper.SetColorWindow(255)
if vtk.VTK_MAJOR_VERSION <= 5:
self.imageMapper.SetInput(self.vtkImage)
else:
self.imageMapper.SetInputData(self.vtkImage)
self.actor2D = vtk.vtkActor2D()
self.actor2D.SetMapper(self.imageMapper)
# make a circle actor
self.circle = vtk.vtkRegularPolygonSource()
self.circle.SetNumberOfSides(50)
self.circle.SetRadius(5)
self.circle.SetCenter(0,0,0)
self.circle.GeneratePolylineOn()
self.circle.GeneratePolygonOff()
self.circle.Update()
self.mapper = vtk.vtkPolyDataMapper2D()
self.actor = vtk.vtkActor2D()
if vtk.VTK_MAJOR_VERSION <= 5:
self.mapper.SetInput(self.circle.GetOutput())
else:
self.mapper.SetInputConnection(self.circle.GetOutputPort())
self.actor.SetMapper(self.mapper)
property_ = self.actor.GetProperty()
property_.SetColor(1,1,0)
property_.SetLineWidth(1)
