def testReadWriteXml(self):
pr = QgsProject()
l = QgsLayout(pr)
pic = QgsLayoutItemPicture(l)
# mode should be saved/restored
pic.setMode(QgsLayoutItemPicture.FormatRaster)
#save original item to xml
doc = QDomDocument("testdoc")
elem = doc.createElement("test")
self.assertTrue(pic.writeXml(elem, doc, QgsReadWriteContext()))
pic2 = QgsLayoutItemPicture(l)
self.assertTrue(
pic2.readXml(elem.firstChildElement(), doc, QgsReadWriteContext()))
self.assertEqual(pic2.mode(), QgsLayoutItemPicture.FormatRaster)
pic.setMode(QgsLayoutItemPicture.FormatSVG)
elem = doc.createElement("test2")
self.assertTrue(pic.writeXml(elem, doc, QgsReadWriteContext()))
pic3 = QgsLayoutItemPicture(l)
self.assertTrue(
pic3.readXml(elem.firstChildElement(), doc, QgsReadWriteContext()))
self.assertEqual(pic3.mode(), QgsLayoutItemPicture.FormatSVG)
def testMode(self):
pic = QgsLayoutItemPicture(self.layout)
# should default to unknown
self.assertEqual(pic.mode(), QgsLayoutItemPicture.FormatUnknown)
spy = QSignalSpy(pic.changed)
pic.setMode(QgsLayoutItemPicture.FormatRaster)
self.assertEqual(pic.mode(), QgsLayoutItemPicture.FormatRaster)
self.assertEqual(len(spy), 1)
pic.setMode(QgsLayoutItemPicture.FormatRaster)
self.assertEqual(len(spy), 1)
pic.setMode(QgsLayoutItemPicture.FormatSVG)
self.assertEqual(len(spy), 3) # ideally only 2!
self.assertEqual(pic.mode(), QgsLayoutItemPicture.FormatSVG)
# set picture path without explicit format
pic.setPicturePath(self.pngImage)
self.assertEqual(pic.mode(), QgsLayoutItemPicture.FormatRaster)
pic.setPicturePath(self.svgImage)
self.assertEqual(pic.mode(), QgsLayoutItemPicture.FormatSVG)
# forced format
pic.setPicturePath(self.pngImage, QgsLayoutItemPicture.FormatSVG)
self.assertEqual(pic.mode(), QgsLayoutItemPicture.FormatSVG)
pic.setPicturePath(self.pngImage, QgsLayoutItemPicture.FormatRaster)
self.assertEqual(pic.mode(), QgsLayoutItemPicture.FormatRaster)
pic.setPicturePath(self.svgImage, QgsLayoutItemPicture.FormatSVG)
self.assertEqual(pic.mode(), QgsLayoutItemPicture.FormatSVG)
pic.setPicturePath(self.svgImage, QgsLayoutItemPicture.FormatRaster)
self.assertEqual(pic.mode(), QgsLayoutItemPicture.FormatRaster)
