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import pyqtgraph as pg
app = pg.mkQApp()
def test_plotscene(tmpdir):
pg.setConfigOption('foreground', (0,0,0))
w = pg.GraphicsLayoutWidget()
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())
tf = tmpdir.join("expot.svg")
ex.export(fileName=tf)
# clean up after the test is done
w.close()
def test_simple(tmpdir):
view = pg.GraphicsView()
view.show()
scene = view.sceneObj
rect = pg.QtWidgets.QGraphicsRectItem(0, 0, 100, 100)
scene.addItem(rect)
rect.setPos(20,20)
tr = pg.QtGui.QTransform()
rect.setTransform(tr.translate(50, 50).rotate(30).scale(0.5, 0.5))
rect1 = pg.QtWidgets.QGraphicsRectItem(0, 0, 100, 100)
rect1.setParentItem(rect)
rect1.setFlag(rect1.GraphicsItemFlag.ItemIgnoresTransformations)
rect1.setPos(20, 20)
rect1.setScale(2)
el1 = pg.QtWidgets.QGraphicsEllipseItem(0, 0, 100, 100)
el1.setParentItem(rect1)
grp = pg.ItemGroup()
grp.setParentItem(rect)
tr = pg.QtGui.QTransform()
grp.setTransform(tr.translate(200, 0).rotate(30))
rect2 = pg.QtWidgets.QGraphicsRectItem(0, 0, 100, 25)
rect2.setFlag(rect2.GraphicsItemFlag.ItemClipsChildrenToShape)
rect2.setParentItem(grp)
rect2.setPos(0,25)
rect2.setRotation(30)
el = pg.QtWidgets.QGraphicsEllipseItem(0, 0, 100, 50)
tr = pg.QtGui.QTransform()
el.setTransform(tr.translate(10, -5).scale(0.5, 2))
el.setParentItem(rect2)
grp2 = pg.ItemGroup()
scene.addItem(grp2)
grp2.setScale(100)
rect3 = pg.QtWidgets.QGraphicsRectItem(0,0,2,2)
rect3.setPen(pg.mkPen(width=1, cosmetic=False))
grp2.addItem(rect3)
ex = pg.exporters.SVGExporter(scene)
tf = tmpdir.join("expot.svg")
ex.export(fileName=tf)
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