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ImageView can now be initialized with custom view and image objects

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This commit is contained in:
Luke Campagnola 2012-08-03 00:29:05 -04:00
parent e4e3a636f3
commit b88f0a22a2
2 changed files with 23 additions and 5 deletions
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3
graphicsItems/PlotItem/PlotItem.py
View File

@ -73,6 +73,7 @@ class PlotItem(GraphicsWidget):
:func:`enableAutoRange <pyqtgraph.ViewBox.enableAutoRange>`,
:func:`disableAutoRange <pyqtgraph.ViewBox.disableAutoRange>`,
:func:`setAspectLocked <pyqtgraph.ViewBox.setAspectLocked>`,
:func:`invertY <pyqtgraph.ViewBox.invertY>`,
:func:`register <pyqtgraph.ViewBox.register>`,
:func:`unregister <pyqtgraph.ViewBox.unregister>`
@ -188,7 +189,7 @@ class PlotItem(GraphicsWidget):
for m in [
'setXRange', 'setYRange', 'setXLink', 'setYLink', 'setAutoPan', 'setAutoVisible',
'setRange', 'autoRange', 'viewRect', 'viewRange', 'setMouseEnabled',
'enableAutoRange', 'disableAutoRange', 'setAspectLocked',
'enableAutoRange', 'disableAutoRange', 'setAspectLocked', 'invertY',
'register', 'unregister']: ## NOTE: If you update this list, please update the class docstring as well.
setattr(self, m, getattr(self.vb, m))

25
imageview/ImageView.py
View File

@ -67,7 +67,12 @@ class ImageView(QtGui.QWidget):
sigTimeChanged = QtCore.Signal(object, object)
sigProcessingChanged = QtCore.Signal(object)
def __init__(self, parent=None, name="ImageView", *args):
def __init__(self, parent=None, name="ImageView", view=None, imageItem=None, *args):
"""
By default, this class creates an :class:`ImageItem <pyqtgraph.ImageItem>` to display image data
and a :class:`ViewBox <pyqtgraph.ViewBox>` to contain the ImageItem. Custom items may be given instead
by specifying the *view* and/or *imageItem* arguments.
"""
QtGui.QWidget.__init__(self, parent, *args)
self.levelMax = 4096
self.levelMin = 0
@ -89,7 +94,10 @@ class ImageView(QtGui.QWidget):
#self.ui.graphicsView.setAspectLocked(True)
#self.ui.graphicsView.invertY()
#self.ui.graphicsView.enableMouse()
self.view = ViewBox()
if view is None:
self.view = ViewBox()
else:
self.view = view
self.ui.graphicsView.setCentralItem(self.view)
self.view.setAspectLocked(True)
self.view.invertY()
@ -101,7 +109,10 @@ class ImageView(QtGui.QWidget):
#self.ui.gradientWidget.setTickColor(self.ticks[1], QtGui.QColor(255,255,255))
#self.ui.gradientWidget.setOrientation('right')
self.imageItem = ImageItem()
if imageItem is None:
self.imageItem = ImageItem()
else:
self.imageItem = imageItem
self.view.addItem(self.imageItem)
self.currentIndex = 0
@ -668,4 +679,10 @@ class ImageView(QtGui.QWidget):
#return self.levelMin + (self.levelMax-self.levelMin) * self.ui.gradientWidget.tickValue(self.ticks[0])
##return self.levelMin + ((self.levelMax-self.levelMin) / self.ui.blackSlider.maximum()) * self.ui.blackSlider.value()
def getView(self):
"""Return the ViewBox (or other compatible object) which displays the ImageItem"""
return self.view
def getImageItem(self):
"""Return the ImageItem for this ImageView."""
return self.imageItem