def __init__(self, node, parent, parameter_str, interface):
"""Constructor
:Parameters:
- `node` (Node) - node that own the widget
- `parent` (QWidget) - parent widget
- `parameter_str` (str) - the parameter key the widget is associated to
- `interface` (Ismth) - instance of interface object
"""
QtGui.QMainWindow.__init__(self, parent)
IInterfaceWidget.__init__(self, node, parent, parameter_str, interface)
self.setMinimumSize(100, 50)
#ui
self._lab = ScalableLabel()
self.setCentralWidget(self._lab)
self._bot_toolbar = QtGui.QToolBar("slider")
self._img_slider = QtGui.QSlider(QtCore.Qt.Horizontal)
self._img_slider.setEnabled(False)
QtCore.QObject.connect(self._img_slider,
QtCore.SIGNAL("valueChanged(int)"),
self.slice_changed)
self._bot_toolbar.addWidget(self._img_slider)
self.addToolBar(QtCore.Qt.BottomToolBarArea, self._bot_toolbar)
self._bot_toolbar.hide()
#update
self.notify(node, ("input_modified", self.param_str))
def __init__(self, node, parent, parameter_str, interface):
"""Constructor
:Parameters:
- `node` (Node) - node that own the widget
- `parent` (QWidget) - parent widget
- `parameter_str` (str) - the parameter key the widget is associated to
- `interface` (Ismth) - instance of interface object
"""
QtGui.QMainWindow.__init__(self,parent)
IInterfaceWidget.__init__(self,node,parent,parameter_str,interface)
self.setMinimumSize(100,50)
#ui
self._lab = ScalableLabel()
self.setCentralWidget(self._lab)
self._bot_toolbar = QtGui.QToolBar("slider")
self._img_slider = QtGui.QSlider(QtCore.Qt.Horizontal)
self._img_slider.setEnabled(False)
QtCore.QObject.connect(self._img_slider,
QtCore.SIGNAL("valueChanged(int)"),
self.slice_changed)
self._bot_toolbar.addWidget(self._img_slider)
self.addToolBar(QtCore.Qt.BottomToolBarArea,self._bot_toolbar)
self._bot_toolbar.hide()
#update
self.notify(node,("input_modified",self.param_str) )
class IImageWidget(IInterfaceWidget, QtGui.QMainWindow):
"""Interface for images expressed as array of triplet of values
"""
__interface__ = IImage
__metaclass__ = make_metaclass()
def __init__(self, node, parent, parameter_str, interface):
"""Constructor
:Parameters:
- `node` (Node) - node that own the widget
- `parent` (QWidget) - parent widget
- `parameter_str` (str) - the parameter key the widget is associated to
- `interface` (Ismth) - instance of interface object
"""
QtGui.QMainWindow.__init__(self, parent)
IInterfaceWidget.__init__(self, node, parent, parameter_str, interface)
self.setMinimumSize(100, 50)
#ui
self._lab = ScalableLabel()
self.setCentralWidget(self._lab)
self._bot_toolbar = QtGui.QToolBar("slider")
self._img_slider = QtGui.QSlider(QtCore.Qt.Horizontal)
self._img_slider.setEnabled(False)
QtCore.QObject.connect(self._img_slider,
QtCore.SIGNAL("valueChanged(int)"),
self.slice_changed)
self._bot_toolbar.addWidget(self._img_slider)
self.addToolBar(QtCore.Qt.BottomToolBarArea, self._bot_toolbar)
self._bot_toolbar.hide()
#update
self.notify(node, ("input_modified", self.param_str))
@lock_notify
def notify(self, sender, event):
"""Notification sent by node
"""
if event[0] == "input_modified":
self.set_image(self.node.get_input(self.param_str))
def set_image(self, img):
"""Change the displayed image
"""
self._img = img
if img is None:
self._lab.setText("no pix")
self._img_slider.setEnabled(False)
self._bot_toolbar.hide()
else:
if len(img.shape) == 3:
self._lab.setPixmap(to_pix(img))
self._img_slider.setEnabled(False)
self._bot_toolbar.hide()
elif len(img.shape) == 4:
ind = min(self._img_slider.value(), img.shape[2] - 1)
self._img_slider.setRange(0, img.shape[2] - 1)
self._img_slider.setEnabled(True)
self.slice_changed(ind)
self._bot_toolbar.show()
else:
msg = "Don't know how to display more than 3D images"
raise UserWarning(msg)
self.update()
def slice_changed(self, ind):
self._lab.setPixmap(to_pix(self._img[:, :, ind]))
class IImageWidget (IInterfaceWidget, QtGui.QMainWindow) :
"""Interface for images expressed as array of triplet of values
"""
__interface__ = IImage
__metaclass__ = make_metaclass()
def __init__(self, node, parent, parameter_str, interface):
"""Constructor
:Parameters:
- `node` (Node) - node that own the widget
- `parent` (QWidget) - parent widget
- `parameter_str` (str) - the parameter key the widget is associated to
- `interface` (Ismth) - instance of interface object
"""
QtGui.QMainWindow.__init__(self,parent)
IInterfaceWidget.__init__(self,node,parent,parameter_str,interface)
self.setMinimumSize(100,50)
#ui
self._lab = ScalableLabel()
self.setCentralWidget(self._lab)
self._bot_toolbar = QtGui.QToolBar("slider")
self._img_slider = QtGui.QSlider(QtCore.Qt.Horizontal)
self._img_slider.setEnabled(False)
QtCore.QObject.connect(self._img_slider,
QtCore.SIGNAL("valueChanged(int)"),
self.slice_changed)
self._bot_toolbar.addWidget(self._img_slider)
self.addToolBar(QtCore.Qt.BottomToolBarArea,self._bot_toolbar)
self._bot_toolbar.hide()
#update
self.notify(node,("input_modified",self.param_str) )
@lock_notify
def notify(self, sender, event):
"""Notification sent by node
"""
if event[0] == "input_modified" :
self.set_image(self.node.get_input(self.param_str))
def set_image (self, img) :
"""Change the displayed image
"""
self._img = img
if img is None :
self._lab.setText("no pix")
self._img_slider.setEnabled(False)
self._bot_toolbar.hide()
else :
if len(img.shape) == 3 :
self._lab.setPixmap(to_pix(img) )
self._img_slider.setEnabled(False)
self._bot_toolbar.hide()
elif len(img.shape) == 4 :
ind = min(self._img_slider.value(),img.shape[2] - 1)
self._img_slider.setRange(0,img.shape[2] - 1)
self._img_slider.setEnabled(True)
self.slice_changed(ind)
self._bot_toolbar.show()
else :
msg = "Don't know how to display more than 3D images"
raise UserWarning(msg)
self.update()
def slice_changed (self, ind) :
self._lab.setPixmap(to_pix(self._img[:,:,ind]) )
