本文整理汇总了Python中qgis.gui.QgsLayoutView.transform方法的典型用法代码示例。如果您正苦于以下问题:Python QgsLayoutView.transform方法的具体用法?Python QgsLayoutView.transform怎么用?Python QgsLayoutView.transform使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.gui.QgsLayoutView
的用法示例。
在下文中一共展示了QgsLayoutView.transform方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: testScaleSafe
# 需要导入模块: from qgis.gui import QgsLayoutView [as 别名]
# 或者: from qgis.gui.QgsLayoutView import transform [as 别名]
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)
示例2: testLayoutScalePixels
# 需要导入模块: from qgis.gui import QgsLayoutView [as 别名]
# 或者: from qgis.gui.QgsLayoutView import transform [as 别名]
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)