73 lines
2.0 KiB
Python
73 lines
2.0 KiB
Python
import pyqtgraph as pg
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app = pg.mkQApp()
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def test_plotscene(tmpdir):
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pg.setConfigOption('foreground', (0,0,0))
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w = pg.GraphicsLayoutWidget()
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w.show()
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p1 = w.addPlot()
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p2 = w.addPlot()
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p1.plot([1,3,2,3,1,6,9,8,4,2,3,5,3], pen={'color':'k'})
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p1.setXRange(0,5)
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p2.plot([1,5,2,3,4,6,1,2,4,2,3,5,3], pen={'color':'k', 'cosmetic':False, 'width': 0.3})
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app.processEvents()
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app.processEvents()
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ex = pg.exporters.SVGExporter(w.scene())
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tf = tmpdir.join("expot.svg")
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ex.export(fileName=tf)
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# clean up after the test is done
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w.close()
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def test_simple(tmpdir):
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view = pg.GraphicsView()
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view.show()
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scene = view.sceneObj
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rect = pg.QtGui.QGraphicsRectItem(0, 0, 100, 100)
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scene.addItem(rect)
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rect.setPos(20,20)
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tr = pg.QtGui.QTransform()
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rect.setTransform(tr.translate(50, 50).rotate(30).scale(0.5, 0.5))
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rect1 = pg.QtGui.QGraphicsRectItem(0, 0, 100, 100)
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rect1.setParentItem(rect)
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rect1.setFlag(rect1.GraphicsItemFlag.ItemIgnoresTransformations)
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rect1.setPos(20, 20)
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rect1.setScale(2)
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el1 = pg.QtGui.QGraphicsEllipseItem(0, 0, 100, 100)
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el1.setParentItem(rect1)
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grp = pg.ItemGroup()
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grp.setParentItem(rect)
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tr = pg.QtGui.QTransform()
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grp.setTransform(tr.translate(200, 0).rotate(30))
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rect2 = pg.QtGui.QGraphicsRectItem(0, 0, 100, 25)
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rect2.setFlag(rect2.GraphicsItemFlag.ItemClipsChildrenToShape)
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rect2.setParentItem(grp)
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rect2.setPos(0,25)
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rect2.setRotation(30)
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el = pg.QtGui.QGraphicsEllipseItem(0, 0, 100, 50)
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tr = pg.QtGui.QTransform()
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el.setTransform(tr.translate(10, -5).scale(0.5, 2))
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el.setParentItem(rect2)
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grp2 = pg.ItemGroup()
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scene.addItem(grp2)
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grp2.setScale(100)
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rect3 = pg.QtGui.QGraphicsRectItem(0,0,2,2)
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rect3.setPen(pg.mkPen(width=1, cosmetic=False))
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grp2.addItem(rect3)
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ex = pg.exporters.SVGExporter(scene)
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tf = tmpdir.join("expot.svg")
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ex.export(fileName=tf)
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