test_svg.py 文件源码

def test_simple():
    tempfilename = tempfile.NamedTemporaryFile(suffix='.svg').name
    print("using %s as a temporary file" % tempfilename)
    scene = pg.QtGui.QGraphicsScene()
    #rect = pg.QtGui.QGraphicsRectItem(0, 0, 100, 100)
    #scene.addItem(rect)
    #rect.setPos(20,20)
    #rect.translate(50, 50)
    #rect.rotate(30)
    #rect.scale(0.5, 0.5)

    #rect1 = pg.QtGui.QGraphicsRectItem(0, 0, 100, 100)
    #rect1.setParentItem(rect)
    #rect1.setFlag(rect1.ItemIgnoresTransformations)
    #rect1.setPos(20, 20)
    #rect1.scale(2,2)

    #el1 = pg.QtGui.QGraphicsEllipseItem(0, 0, 100, 100)
    #el1.setParentItem(rect1)
    ##grp = pg.ItemGroup()
    #grp.setParentItem(rect)
    #grp.translate(200,0)
    ##grp.rotate(30)

    #rect2 = pg.QtGui.QGraphicsRectItem(0, 0, 100, 25)
    #rect2.setFlag(rect2.ItemClipsChildrenToShape)
    #rect2.setParentItem(grp)
    #rect2.setPos(0,25)
    #rect2.rotate(30)
    #el = pg.QtGui.QGraphicsEllipseItem(0, 0, 100, 50)
    #el.translate(10,-5)
    #el.scale(0.5,2)

    #el.setParentItem(rect2)

    grp2 = pg.ItemGroup()
    scene.addItem(grp2)
    grp2.scale(100,100)

    rect3 = pg.QtGui.QGraphicsRectItem(0,0,2,2)
    rect3.setPen(pg.mkPen(width=1, cosmetic=False))
    grp2.addItem(rect3)

    ex = pg.exporters.SVGExporter(scene)
    ex.export(fileName=tempfilename)
    os.unlink(tempfilename)