Source code for pyqtgraph.widgets.HistogramLUTWidget

"""
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 ..Qt import QtGui, QtCore
from .GraphicsView import GraphicsView
from ..graphicsItems.HistogramLUTItem import HistogramLUTItem

__all__ = ['HistogramLUTWidget']


[docs]class HistogramLUTWidget(GraphicsView):
[docs] def __init__(self, parent=None, *args, **kargs): background = kargs.get('background', 'default') 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(95)
def sizeHint(self): return QtCore.QSize(115, 200) def __getattr__(self, attr): return getattr(self.item, attr)