def testScaleSafe(self):
""" test scaleSafe method """
view = QgsLayoutView()
view.fitInView(QRectF(0, 0, 10, 10))
scale = view.transform().m11()
view.scaleSafe(2)
self.assertAlmostEqual(view.transform().m11(), 2)
view.scaleSafe(4)
self.assertAlmostEqual(view.transform().m11(), 8)
# try to zoom in heaps
view.scaleSafe(99999999)
# assume we have hit the limit
scale = view.transform().m11()
view.scaleSafe(2)
self.assertAlmostEqual(view.transform().m11(), scale)
view.setTransform(QTransform.fromScale(1, 1))
self.assertAlmostEqual(view.transform().m11(), 1)
# test zooming out
view.scaleSafe(0.5)
self.assertAlmostEqual(view.transform().m11(), 0.5)
view.scaleSafe(0.1)
self.assertAlmostEqual(view.transform().m11(), 0.05)
# try zooming out heaps
view.scaleSafe(0.000000001)
# assume we have hit the limit
scale = view.transform().m11()
view.scaleSafe(0.5)
self.assertAlmostEqual(view.transform().m11(), scale)
def testScaleSafe(self):
""" test scaleSafe method """
view = QgsLayoutView()
view.fitInView(QRectF(0, 0, 10, 10))
scale = view.transform().m11()
view.scaleSafe(2)
self.assertAlmostEqual(view.transform().m11(), 2)
view.scaleSafe(4)
self.assertAlmostEqual(view.transform().m11(), 8)
# try to zoom in heaps
view.scaleSafe(99999999)
# assume we have hit the limit
scale = view.transform().m11()
view.scaleSafe(2)
self.assertAlmostEqual(view.transform().m11(), scale)
view.setTransform(QTransform.fromScale(1, 1))
self.assertAlmostEqual(view.transform().m11(), 1)
# test zooming out
view.scaleSafe(0.5)
self.assertAlmostEqual(view.transform().m11(), 0.5)
view.scaleSafe(0.1)
self.assertAlmostEqual(view.transform().m11(), 0.05)
# try zooming out heaps
view.scaleSafe(0.000000001)
# assume we have hit the limit
scale = view.transform().m11()
view.scaleSafe(0.5)
self.assertAlmostEqual(view.transform().m11(), scale)
def testLayoutScalePixels(self):
p = QgsProject()
l = QgsLayout(p)
l.setUnits(QgsUnitTypes.LayoutPixels)
view = QgsLayoutView()
view.setCurrentLayout(l)
view.setZoomLevel(1)
# should be no transform, since 100% with pixel units should be pixel-pixel
self.assertEqual(view.transform().m11(), 1)
view.setZoomLevel(0.5)
self.assertEqual(view.transform().m11(), 0.5)
def testLayoutScalePixels(self):
p = QgsProject()
l = QgsLayout(p)
l.setUnits(QgsUnitTypes.LayoutPixels)
view = QgsLayoutView()
view.setCurrentLayout(l)
view.setZoomLevel(1)
# should be no transform, since 100% with pixel units should be pixel-pixel
self.assertEqual(view.transform().m11(), 1)
view.setZoomLevel(0.5)
self.assertEqual(view.transform().m11(), 0.5)
