def addColorLayer(self, layer=None, name='Unnamed', tip='',
color=None, alpha=0.5):
'''
add a [layer], a np.array (2d or 3d), as colour overlay to the image
'''
if layer is None:
s = self.image.shape
if len(s) == 4: # multi layer color image
s = s[1:-1]
elif len(s) == 3:
if s[-1] == 3: # single layer color image
s = s[:-1]
else: # multi layer grey image
s = s[1:]
layer = np.zeros(shape=s)
if isColor(layer):
layer = toGray(layer)
if color is None:
# set colour as function of the number of colorItems:
color = pg.intColor(len(self.cItems)).rgb()
cItem = ColorLayerItem(layer,
imageWidget=self,
color=color,
alpha=alpha
)
name = incrementName(list(self.cItems.keys()), name)
self.cItems[name] = cItem
self.view.addItem(cItem)
self.sigOverlayAdded.emit(cItem, name, tip)
return cItem
def addColorLayer(self, layer=None, name='Unnamed', tip='',
color=None, alpha=0.5):
'''
add a [layer], a np.array (2d or 3d), as colour overlay to the image
'''
if layer is None:
s = self.image.shape
if len(s) == 4: # multi layer color image
s = s[1:-1]
elif len(s) == 3:
if s[-1] == 3: # single layer color image
s = s[:-1]
else: #multi layer grey image
s = s[1:]
layer = np.zeros(shape=s)
if isColor(layer):
layer = toGray(layer)
if color is None:
#set colour as function of the number of colorItems:
color = pg.intColor(len(self.cItems)).rgb()
cItem = ColorLayerItem(layer,
imageWidget=self,
color=color,
alpha=alpha
)
name = incrementName(self.cItems.keys(), name)
self.cItems[name] = cItem
self.view.addItem(cItem)
self.sigOverlayAdded.emit(cItem, name, tip)
return cItem
def __init__(self, origQtGuiClass, *args, **kwargs):
self.save_only_last_log = True #means: only the last log event would be
#saved if not QtRec.save_history
self.log_childs_inst = {}
self.log_childs_name = {}
self._logparent = None
# take the log-name if given, elsewise use the class name
name = kwargs.get('logname')
if name:
kwargs.pop('logname')
else:
name = self.__class__.__name__
# for logging it's sometimes more usefull to use a instance-parent
# than given through self.parent()
p = kwargs.get('logparent')
if p:
self._logparent = p
kwargs.pop('logparent')
# init base class here after all foreign contents from kwargs are removed
origQtGuiClass.__init__(self, *args, **kwargs)
if not p:
p = self.parent()
if p:
while p:
# find closest parent that is an instance of QtRecBase
# add this instance as child with an individual name to that
# parents log-child-list
#TODO1 invalid widget überspringen - wenn es keinen valid parent gibt: fehlermeldung
if isinstance(p,QtRecBase):
name = incrementName(p.log_childs_name.keys(), name)
p.log_childs_inst[self] = name
p.log_childs_name[name] = self
break
p = p.parent()
#the top QGuiObject must be a window
elif self == self.window():
# add this window to the windows known by QtRec
QtRec.core._windows.append(self)
else:
raise NameError('parent not given')
