def test_simple():
tempfilename = tempfile.NamedTemporaryFile(suffix='.svg').name
print("using %s as a temporary file" % tempfilename)
view = pg.GraphicsView()
view.show()
scene = view.sceneObj
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)
def test_simple(tmpdir):
view = pg.GraphicsView()
view.show()
scene = view.sceneObj
rect = pg.QtGui.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.QtGui.QGraphicsRectItem(0, 0, 100, 100)
rect1.setParentItem(rect)
rect1.setFlag(rect1.GraphicsItemFlag.ItemIgnoresTransformations)
rect1.setPos(20, 20)
rect1.setScale(2)
el1 = pg.QtGui.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.QtGui.QGraphicsRectItem(0, 0, 100, 25)
rect2.setFlag(rect2.GraphicsItemFlag.ItemClipsChildrenToShape)
rect2.setParentItem(grp)
rect2.setPos(0, 25)
rect2.setRotation(30)
el = pg.QtGui.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.QtGui.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)
def makeGraph(self):
#g1 = pg.GraphItem(pos=self.pos, adj=self.links[self.rope], pen=0.2, symbol=None)
brushes = np.where(self.fixed, pg.mkBrush(0,0,0,255), pg.mkBrush(50,50,200,255))
g2 = pg.GraphItem(pos=self.pos, adj=self.links[self.push & self.pull], pen=0.5, brush=brushes, symbol='o', size=(self.mass**0.33), pxMode=False)
p = pg.ItemGroup()
#p.addItem(g1)
p.addItem(g2)
return p
def test_simple(self):
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.SVGExporter(scene)
ex.export(fileName='test.svg')
def __init__(self, **opts):
defOpts = {'movable': False, 'scalable': False}
defOpts.update(opts)
item = pg.ItemGroup()
CanvasItem.__init__(self, item, **defOpts)
roi1 = pg.RectROI((posx, posy), size, pen=9)
roi2 = pg.RectROI((posx, posy), size, pen=9)
roi1.addScaleHandle([0, 0], [1, 1])
roi2.addScaleHandle([0, 0], [1, 1])
roi1.addScaleRotateHandle([1, 0], [1, 1])
roi2.addScaleRotateHandle([1, 0], [1, 1])
# Convert OpenCV-style transform to Qt-style.
# First, swap x <=> y
qtmat = warpmat[[1, 0, 2]][:, [1, 0, 2]]
# Transpose and build QTransform:
elements = np.array(qtmat).T.flatten()
roitrans = pg.QtGui.QTransform(*elements)
transitem = pg.ItemGroup()
transitem.setTransform(roitrans)
roi2.setParentItem(transitem)
vb1.addItem(roi1)
vb2.addItem(transitem)
# This method will handle ROI region changes
def regionChanged(source):
"""This method will handle ROI region changes."""
# 'source' refers to the ROI that was moved by the user;
# 'target' will be the other ROI.
target = roi2 if source == roi1 else roi1
