Commit 42553854 authored by Luke Campagnola's avatar Luke Campagnola
Browse files

pg.plot() and pg.PlotWidget() now accept background argument

ImageExporter correctly handles QBrush with style=NoBrush
parent 824e4b37
......@@ -281,7 +281,7 @@ def plot(*args, **kargs):
#if len(args)+len(kargs) > 0:
#w.plot(*args, **kargs)
pwArgList = ['title', 'labels', 'name', 'left', 'right', 'top', 'bottom']
pwArgList = ['title', 'labels', 'name', 'left', 'right', 'top', 'bottom', 'background']
pwArgs = {}
dataArgs = {}
for k in kargs:
......
......@@ -17,7 +17,11 @@ class ImageExporter(Exporter):
scene = item.scene()
else:
scene = item
bg = scene.views()[0].backgroundBrush().color()
bgbrush = scene.views()[0].backgroundBrush()
bg = bgbrush.color()
if bgbrush.style() == QtCore.Qt.NoBrush:
bg.setAlpha(0)
self.params = Parameter(name='params', type='group', children=[
{'name': 'width', 'type': 'int', 'value': tr.width(), 'limits': (0, None)},
{'name': 'height', 'type': 'int', 'value': tr.height(), 'limits': (0, None)},
......
......@@ -40,10 +40,12 @@ class PlotWidget(GraphicsView):
For all
other methods, use :func:`getPlotItem <pyqtgraph.PlotWidget.getPlotItem>`.
"""
def __init__(self, parent=None, **kargs):
"""When initializing PlotWidget, all keyword arguments except *parent* are passed
def __init__(self, parent=None, background='default', **kargs):
"""When initializing PlotWidget, *parent* and *background* are passed to
:func:`GraphicsWidget.__init__() <pyqtgraph.GraphicsWidget.__init__>`
and all others are passed
to :func:`PlotItem.__init__() <pyqtgraph.PlotItem.__init__>`."""
GraphicsView.__init__(self, parent)
GraphicsView.__init__(self, parent, background=background)
self.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
self.enableMouse(False)
self.plotItem = PlotItem(**kargs)
......
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