pyqtgraph/widgets/HistogramLUTWidget.py
2012-03-01 21:55:32 -05:00

34 lines
949 B
Python

"""
Widget displaying an image histogram along with gradient editor. Can be used to adjust the appearance of images.
This is a wrapper around HistogramLUTItem
"""
from pyqtgraph.Qt import QtGui, QtCore
from GraphicsView import GraphicsView
from pyqtgraph.graphicsItems.HistogramLUTItem import HistogramLUTItem
__all__ = ['HistogramLUTWidget']
class HistogramLUTWidget(GraphicsView):
def __init__(self, parent=None, *args, **kargs):
background = kargs.get('background', 'k')
GraphicsView.__init__(self, parent, useOpenGL=False, background=background)
self.item = HistogramLUTItem(*args, **kargs)
self.setCentralItem(self.item)
self.setSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Expanding)
self.setMinimumWidth(92)
def sizeHint(self):
return QtCore.QSize(115, 200)
def __getattr__(self, attr):
return getattr(self.item, attr)