def testBasic(self):
item = QgsAnnotationLineItem(
QgsLineString(
[QgsPoint(12, 13),
QgsPoint(14, 13),
QgsPoint(14, 15)]))
self.assertEqual(item.geometry().asWkt(),
'LineString (12 13, 14 13, 14 15)')
item.setGeometry(
QgsLineString(
[QgsPoint(22, 23),
QgsPoint(24, 23),
QgsPoint(24, 25)]))
item.setZIndex(11)
self.assertEqual(item.geometry().asWkt(),
'LineString (22 23, 24 23, 24 25)')
self.assertEqual(item.zIndex(), 11)
item.setSymbol(
QgsLineSymbol.createSimple({
'color': '#ffff00',
'line_width': '3'
}))
self.assertEqual(item.symbol()[0].color(), QColor(255, 255, 0))
def testRenderCurve(self):
item = QgsAnnotationLineItem(
QgsCircularString(QgsPoint(12, 13.2), QgsPoint(14, 13.4),
QgsPoint(14, 15)))
item.setSymbol(
QgsLineSymbol.createSimple({
'color': '#ffff00',
'line_width': '3'
}))
settings = QgsMapSettings()
settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
settings.setExtent(QgsRectangle(10, 10, 18, 18))
settings.setOutputSize(QSize(300, 300))
settings.setFlag(QgsMapSettings.Antialiasing, False)
rc = QgsRenderContext.fromMapSettings(settings)
image = QImage(200, 200, QImage.Format_ARGB32)
image.setDotsPerMeterX(int(96 / 25.4 * 1000))
image.setDotsPerMeterY(int(96 / 25.4 * 1000))
image.fill(QColor(255, 255, 255))
painter = QPainter(image)
rc.setPainter(painter)
try:
item.render(rc, None)
finally:
painter.end()
self.assertTrue(
self.imageCheck('line_circularstring', 'line_circularstring',
image))
def testReadWriteXml(self):
doc = QDomDocument("testdoc")
elem = doc.createElement('test')
item = QgsAnnotationLineItem(
QgsLineString(
[QgsPoint(12, 13),
QgsPoint(14, 13),
QgsPoint(14, 15)]))
item.setSymbol(
QgsLineSymbol.createSimple({
'color': '#ffff00',
'line_width': '3'
}))
item.setZIndex(11)
item.setUseSymbologyReferenceScale(True)
item.setSymbologyReferenceScale(5000)
self.assertTrue(item.writeXml(elem, doc, QgsReadWriteContext()))
s2 = QgsAnnotationLineItem.create()
self.assertTrue(s2.readXml(elem, QgsReadWriteContext()))
self.assertEqual(s2.geometry().asWkt(),
'LineString (12 13, 14 13, 14 15)')
self.assertEqual(s2.symbol()[0].color(), QColor(255, 255, 0))
self.assertEqual(s2.zIndex(), 11)
self.assertTrue(s2.useSymbologyReferenceScale())
self.assertEqual(s2.symbologyReferenceScale(), 5000)
def testRenderWithTransform(self):
item = QgsAnnotationLineItem(QgsLineString([QgsPoint(11, 13), QgsPoint(12, 13), QgsPoint(12, 15)]))
item.setSymbol(QgsLineSymbol.createSimple({'color': '#ffff00', 'line_width': '3'}))
settings = QgsMapSettings()
settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
settings.setExtent(QgsRectangle(1250958, 1386945, 1420709, 1532518))
settings.setOutputSize(QSize(300, 300))
settings.setFlag(QgsMapSettings.Antialiasing, False)
rc = QgsRenderContext.fromMapSettings(settings)
rc.setCoordinateTransform(QgsCoordinateTransform(QgsCoordinateReferenceSystem('EPSG:4326'), settings.destinationCrs(), QgsProject.instance()))
image = QImage(200, 200, QImage.Format_ARGB32)
image.setDotsPerMeterX(96 / 25.4 * 1000)
image.setDotsPerMeterY(96 / 25.4 * 1000)
image.fill(QColor(255, 255, 255))
painter = QPainter(image)
rc.setPainter(painter)
try:
item.render(rc, None)
finally:
painter.end()
self.assertTrue(self.imageCheck('linestring_item_transform', 'linestring_item_transform', image))
def testClone(self):
item = QgsAnnotationLineItem(
QgsLineString(
[QgsPoint(12, 13),
QgsPoint(14, 13),
QgsPoint(14, 15)]))
item.setSymbol(
QgsLineSymbol.createSimple({
'color': '#ffff00',
'line_width': '3'
}))
item.setZIndex(11)
item.setUseSymbologyReferenceScale(True)
item.setSymbologyReferenceScale(5000)
item2 = item.clone()
self.assertEqual(item2.geometry().asWkt(),
'LineString (12 13, 14 13, 14 15)')
self.assertEqual(item2.symbol()[0].color(), QColor(255, 255, 0))
self.assertEqual(item2.zIndex(), 11)
self.assertTrue(item2.useSymbologyReferenceScale())
self.assertEqual(item2.symbologyReferenceScale(), 5000)
