python类setConfigOption()的实例源码

def test_plotscene():
    tempfilename = tempfile.NamedTemporaryFile(suffix='.svg').name
    print("using %s as a temporary file" % tempfilename)
    pg.setConfigOption('foreground', (0,0,0))
    w = pg.GraphicsWindow()
    w.show()        
    p1 = w.addPlot()
    p2 = w.addPlot()
    p1.plot([1,3,2,3,1,6,9,8,4,2,3,5,3], pen={'color':'k'})
    p1.setXRange(0,5)
    p2.plot([1,5,2,3,4,6,1,2,4,2,3,5,3], pen={'color':'k', 'cosmetic':False, 'width': 0.3})
    app.processEvents()
    app.processEvents()

    ex = pg.exporters.SVGExporter(w.scene())
    ex.export(fileName=tempfilename)
    # clean up after the test is done
    os.unlink(tempfilename)

def test_plotscene():
    tempfilename = tempfile.NamedTemporaryFile(suffix='.svg').name
    print("using %s as a temporary file" % tempfilename)
    pg.setConfigOption('foreground', (0,0,0))
    w = pg.GraphicsWindow()
    w.show()        
    p1 = w.addPlot()
    p2 = w.addPlot()
    p1.plot([1,3,2,3,1,6,9,8,4,2,3,5,3], pen={'color':'k'})
    p1.setXRange(0,5)
    p2.plot([1,5,2,3,4,6,1,2,4,2,3,5,3], pen={'color':'k', 'cosmetic':False, 'width': 0.3})
    app.processEvents()
    app.processEvents()

    ex = pg.exporters.SVGExporter(w.scene())
    ex.export(fileName=tempfilename)
    # clean up after the test is done
    os.unlink(tempfilename)

def __init__(self, parent=None):
        pyqtgraph.setConfigOption('background', 'w') #before loading widget
        super(ExampleApp, self).__init__(parent)
        self.setupUi(self)
        self.grECG.plotItem.showGrid(True, True, 0.7)
        self.btnSave.clicked.connect(self.saveFig)
        self.btnSite.clicked.connect(self.website)
        stamp="DIY ECG by Scott Harden"
        self.stamp = pyqtgraph.TextItem(stamp,anchor=(-.01,1),color=(150,150,150),
                                        fill=pyqtgraph.mkBrush('w'))
        self.ear = swhear.Ear(chunk=int(100)) # determines refresh rate
        # optionally you can manually set the audio input device to use like this:
        # self.ear = swhear.Ear(chunk=int(100), device=5) # use audio input device 5
        if len(self.ear.valid_input_devices()):
            self.ear.stream_start()
            self.lblDevice.setText(self.ear.msg)
            self.update()

def __init__(self, parent=None):
        pyqtgraph.setConfigOption('background', 'w') #before loading widget
        super(ExampleApp, self).__init__(parent)
        self.setupUi(self)
        self.grFFT.plotItem.showGrid(True, True, 0.7)
        self.grPCM.plotItem.showGrid(True, True, 0.7)
        self.maxFFT=0
        self.maxPCM=0
        self.ear = SWHear.SWHear(rate=44100,updatesPerSecond=20)
        self.ear.stream_start()

def __init__(self, parent=None):
        pyqtgraph.setConfigOption('background', 'w') #before loading widget
        super(ExampleApp, self).__init__(parent)
        self.setupUi(self)
        self.btnAdd.clicked.connect(self.update)
        self.grPlot.plotItem.showGrid(True, True, 0.7)