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test_qgsannotationlinetextitem.py
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test_qgsannotationlinetextitem.py
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"""QGIS Unit tests for QgsAnnotationLineTextItem.
From build dir, run: ctest -R PyQgsAnnotationlINETextItem -V
.. note:: This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
"""
__author__ = '(C) 2020 by Nyall Dawson'
__date__ = '10/08/2020'
__copyright__ = 'Copyright 2020, The QGIS Project'
from qgis.PyQt.QtCore import QSize
from qgis.PyQt.QtGui import QColor, QImage, QPainter
from qgis.PyQt.QtXml import QDomDocument
from qgis.core import (
Qgis,
QgsAnnotationItemEditOperationAddNode,
QgsAnnotationItemEditOperationDeleteNode,
QgsAnnotationItemEditOperationMoveNode,
QgsAnnotationItemEditOperationTranslateItem,
QgsAnnotationItemNode,
QgsAnnotationLineTextItem,
QgsCoordinateReferenceSystem,
QgsCoordinateTransform,
QgsMapSettings,
QgsPoint,
QgsPointXY,
QgsProject,
QgsReadWriteContext,
QgsRectangle,
QgsRenderContext,
QgsTextFormat,
QgsVertexId,
QgsLineString,
QgsMapUnitScale,
)
import unittest
from qgis.testing import start_app, QgisTestCase
from utilities import getTestFont, unitTestDataPath
start_app()
TEST_DATA_DIR = unitTestDataPath()
class TestQgsAnnotationLineTextItem(QgisTestCase):
@classmethod
def control_path_prefix(cls):
return "annotation_layer"
def testBasic(self):
item = QgsAnnotationLineTextItem('my text', QgsLineString(((12, 13), (13, 13.1), (14, 13))))
self.assertEqual(item.text(), 'my text')
self.assertEqual(item.geometry().asWkt(1), 'LineString (12 13, 13 13.1, 14 13)')
self.assertEqual(item.offsetFromLine(), 0)
self.assertEqual(item.offsetFromLineUnit(),
Qgis.RenderUnit.Millimeters)
item.setText('tttttt')
item.setGeometry(QgsLineString(((12, 13), (13, 13.1))))
item.setZIndex(11)
item.setOffsetFromLine(3.4)
item.setOffsetFromLineUnit(Qgis.RenderUnit.Inches)
item.setOffsetFromLineMapUnitScale(QgsMapUnitScale(5, 15))
format = QgsTextFormat()
format.setSize(37)
item.setFormat(format)
self.assertEqual(item.text(), 'tttttt')
self.assertEqual(item.geometry().asWkt(1), 'LineString (12 13, 13 13.1)')
self.assertEqual(item.zIndex(), 11)
self.assertEqual(item.format().size(), 37)
self.assertEqual(item.offsetFromLine(), 3.4)
self.assertEqual(item.offsetFromLineUnit(),
Qgis.RenderUnit.Inches)
self.assertEqual(item.offsetFromLineMapUnitScale().minScale,
5)
self.assertEqual(item.offsetFromLineMapUnitScale().maxScale,
15)
def test_nodes(self):
"""
Test nodes for item
"""
item = QgsAnnotationLineTextItem('my text', QgsLineString(((12, 13), (13, 13.1), (14, 13))))
self.assertEqual(item.nodes(), [
QgsAnnotationItemNode(QgsVertexId(0, 0, 0), QgsPointXY(12, 13),
Qgis.AnnotationItemNodeType.VertexHandle),
QgsAnnotationItemNode(QgsVertexId(0, 0, 1), QgsPointXY(13, 13.1),
Qgis.AnnotationItemNodeType.VertexHandle),
QgsAnnotationItemNode(QgsVertexId(0, 0, 2), QgsPointXY(14, 13),
Qgis.AnnotationItemNodeType.VertexHandle)
])
def test_transform(self):
item = QgsAnnotationLineTextItem('my text', QgsLineString(((12, 13), (13, 13.1), (14, 13))))
self.assertEqual(item.geometry().asWkt(1), 'LineString (12 13, 13 13.1, 14 13)')
self.assertEqual(item.applyEdit(QgsAnnotationItemEditOperationTranslateItem('', 100, 200)), Qgis.AnnotationItemEditOperationResult.Success)
self.assertEqual(item.geometry().asWkt(1), 'LineString (112 213, 113 213.1, 114 213)')
def test_apply_move_node_edit(self):
item = QgsAnnotationLineTextItem('my text', QgsLineString(((12, 13), (13, 13.1), (14, 13))))
self.assertEqual(item.geometry().asWkt(1), 'LineString (12 13, 13 13.1, 14 13)')
self.assertEqual(item.applyEdit(QgsAnnotationItemEditOperationMoveNode('', QgsVertexId(0, 0, 1), QgsPoint(13, 13.1), QgsPoint(17, 18))), Qgis.AnnotationItemEditOperationResult.Success)
self.assertEqual(item.geometry().asWkt(1), 'LineString (12 13, 17 18, 14 13)')
def test_transient_move_operation(self):
item = QgsAnnotationLineTextItem('my text', QgsLineString(((12, 13), (13, 13.1), (14, 13))))
self.assertEqual(item.geometry().asWkt(1), 'LineString (12 13, 13 13.1, 14 13)')
res = item.transientEditResults(QgsAnnotationItemEditOperationMoveNode('', QgsVertexId(0, 0, 1), QgsPoint(13, 13.1), QgsPoint(17, 18)))
self.assertEqual(res.representativeGeometry().asWkt(1), 'LineString (12 13, 17 18, 14 13)')
def test_transient_translate_operation(self):
item = QgsAnnotationLineTextItem('my text', QgsLineString(((12, 13), (13, 13.1), (14, 13))))
self.assertEqual(item.geometry().asWkt(1), 'LineString (12 13, 13 13.1, 14 13)')
res = item.transientEditResults(QgsAnnotationItemEditOperationTranslateItem('', 100, 200))
self.assertEqual(res.representativeGeometry().asWkt(1), 'LineString (112 213, 113 213.1, 114 213)')
def test_apply_delete_node_edit(self):
item = QgsAnnotationLineTextItem('my text', QgsLineString(((12, 13), (13, 13.1), (14, 13))))
self.assertEqual(item.geometry().asWkt(1), 'LineString (12 13, 13 13.1, 14 13)')
self.assertEqual(item.applyEdit(QgsAnnotationItemEditOperationDeleteNode('', QgsVertexId(0, 0, 1), QgsPoint(13, 13.1))), Qgis.AnnotationItemEditOperationResult.Success)
self.assertEqual(item.geometry().asWkt(1),
'LineString (12 13, 14 13)')
self.assertEqual(item.applyEdit(QgsAnnotationItemEditOperationDeleteNode('', QgsVertexId(0, 0, 1), QgsPoint(14, 13))), Qgis.AnnotationItemEditOperationResult.ItemCleared)
def test_apply_add_node_edit(self):
item = QgsAnnotationLineTextItem('my text', QgsLineString(((12, 13), (13, 13.1), (14, 13))))
self.assertEqual(item.applyEdit(QgsAnnotationItemEditOperationAddNode('', QgsPoint(12.5, 12.8))), Qgis.AnnotationItemEditOperationResult.Success)
self.assertEqual(item.geometry().asWkt(1),
'LineString (12 13, 12.5 13, 13 13.1, 14 13)')
def testReadWriteXml(self):
doc = QDomDocument("testdoc")
elem = doc.createElement('test')
item = QgsAnnotationLineTextItem('my text', QgsLineString(((12, 13), (13, 13.1), (14, 13))))
item.setZIndex(11)
format = QgsTextFormat()
format.setSize(37)
item.setFormat(format)
item.setUseSymbologyReferenceScale(True)
item.setSymbologyReferenceScale(5000)
item.setOffsetFromLine(3.4)
item.setOffsetFromLineUnit(Qgis.RenderUnit.Inches)
item.setOffsetFromLineMapUnitScale(QgsMapUnitScale(5, 15))
self.assertTrue(item.writeXml(elem, doc, QgsReadWriteContext()))
s2 = QgsAnnotationLineTextItem.create()
self.assertTrue(s2.readXml(elem, QgsReadWriteContext()))
self.assertEqual(s2.text(), 'my text')
self.assertEqual(s2.geometry().asWkt(1), 'LineString (12 13, 13 13.1, 14 13)')
self.assertEqual(s2.zIndex(), 11)
self.assertEqual(s2.format().size(), 37)
self.assertTrue(s2.useSymbologyReferenceScale())
self.assertEqual(s2.symbologyReferenceScale(), 5000)
self.assertEqual(s2.offsetFromLine(), 3.4)
self.assertEqual(s2.offsetFromLineUnit(),
Qgis.RenderUnit.Inches)
self.assertEqual(s2.offsetFromLineMapUnitScale().minScale,
5)
self.assertEqual(s2.offsetFromLineMapUnitScale().maxScale,
15)
def testClone(self):
item = QgsAnnotationLineTextItem('my text', QgsLineString(((12, 13), (13, 13.1), (14, 13))))
item.setZIndex(11)
format = QgsTextFormat()
format.setSize(37)
item.setFormat(format)
item.setUseSymbologyReferenceScale(True)
item.setSymbologyReferenceScale(5000)
item.setOffsetFromLine(3.4)
item.setOffsetFromLineUnit(Qgis.RenderUnit.Inches)
item.setOffsetFromLineMapUnitScale(QgsMapUnitScale(5, 15))
item2 = item.clone()
self.assertEqual(item2.text(), 'my text')
self.assertEqual(item2.geometry().asWkt(1), 'LineString (12 13, 13 13.1, 14 13)')
self.assertEqual(item2.zIndex(), 11)
self.assertEqual(item2.format().size(), 37)
self.assertTrue(item2.useSymbologyReferenceScale())
self.assertEqual(item2.symbologyReferenceScale(), 5000)
self.assertEqual(item2.offsetFromLine(), 3.4)
self.assertEqual(item2.offsetFromLineUnit(),
Qgis.RenderUnit.Inches)
self.assertEqual(item2.offsetFromLineMapUnitScale().minScale,
5)
self.assertEqual(item2.offsetFromLineMapUnitScale().maxScale,
15)
def testRenderLine(self):
item = QgsAnnotationLineTextItem('my text', QgsLineString(((12, 13), (13, 13.1), (14, 12))))
format = QgsTextFormat.fromQFont(getTestFont('Bold'))
format.setColor(QColor(255, 0, 0))
format.setOpacity(150 / 255)
format.setSize(55)
item.setFormat(format)
settings = QgsMapSettings()
settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
settings.setExtent(QgsRectangle(11.9, 11.9, 14.5, 14))
settings.setOutputSize(QSize(600, 300))
settings.setFlag(QgsMapSettings.Flag.Antialiasing, False)
rc = QgsRenderContext.fromMapSettings(settings)
rc.setScaleFactor(96 / 25.4) # 96 DPI
image = QImage(600, 300, QImage.Format.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.image_check('linetext_item', 'linetext_item', image))
def testRenderLineOffsetPositive(self):
item = QgsAnnotationLineTextItem('my text', QgsLineString(((12, 13), (13, 13.1), (14, 12))))
format = QgsTextFormat.fromQFont(getTestFont('Bold'))
format.setColor(QColor(255, 0, 0))
format.setOpacity(150 / 255)
format.setSize(55)
item.setFormat(format)
item.setOffsetFromLine(6)
settings = QgsMapSettings()
settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
settings.setExtent(QgsRectangle(11.9, 11.9, 14.5, 14))
settings.setOutputSize(QSize(600, 300))
settings.setFlag(QgsMapSettings.Flag.Antialiasing, False)
rc = QgsRenderContext.fromMapSettings(settings)
rc.setScaleFactor(96 / 25.4) # 96 DPI
image = QImage(600, 300, QImage.Format.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.image_check('linetext_item_offset_positive', 'linetext_item_offset_positive', image))
def testRenderLineOffsetNegative(self):
item = QgsAnnotationLineTextItem('my text', QgsLineString(((12, 13), (13, 13.1), (14, 12))))
format = QgsTextFormat.fromQFont(getTestFont('Bold'))
format.setColor(QColor(255, 0, 0))
format.setOpacity(150 / 255)
format.setSize(55)
item.setFormat(format)
item.setOffsetFromLine(-6)
settings = QgsMapSettings()
settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
settings.setExtent(QgsRectangle(11.9, 11.9, 14.5, 14))
settings.setOutputSize(QSize(600, 300))
settings.setFlag(QgsMapSettings.Flag.Antialiasing, False)
rc = QgsRenderContext.fromMapSettings(settings)
rc.setScaleFactor(96 / 25.4) # 96 DPI
image = QImage(600, 300, QImage.Format.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.image_check('linetext_item_offset_negative', 'linetext_item_offset_negative', image))
def testRenderLineTruncate(self):
item = QgsAnnotationLineTextItem('my text', QgsLineString(((12, 13), (13, 13.1), (14, 12))))
format = QgsTextFormat.fromQFont(getTestFont('Bold'))
format.setColor(QColor(255, 0, 0))
format.setOpacity(150 / 255)
format.setSize(75)
item.setFormat(format)
settings = QgsMapSettings()
settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
settings.setExtent(QgsRectangle(11.9, 11.9, 14.5, 14))
settings.setOutputSize(QSize(600, 300))
settings.setFlag(QgsMapSettings.Flag.Antialiasing, False)
rc = QgsRenderContext.fromMapSettings(settings)
rc.setScaleFactor(96 / 25.4) # 96 DPI
image = QImage(600, 300, QImage.Format.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.image_check('linetext_item_truncate', 'linetext_item_truncate', image))
def testRenderLineTextExpression(self):
item = QgsAnnotationLineTextItem('[% 1 + 1.5 %]', QgsLineString(((12, 13), (13, 13.1), (14, 12))))
format = QgsTextFormat.fromQFont(getTestFont('Bold'))
format.setColor(QColor(255, 0, 0))
format.setOpacity(150 / 255)
format.setSize(55)
item.setFormat(format)
settings = QgsMapSettings()
settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
settings.setExtent(QgsRectangle(11.9, 11.9, 14.5, 14))
settings.setOutputSize(QSize(600, 300))
settings.setFlag(QgsMapSettings.Flag.Antialiasing, False)
rc = QgsRenderContext.fromMapSettings(settings)
rc.setScaleFactor(96 / 25.4) # 96 DPI
image = QImage(600, 300, QImage.Format.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.image_check('linetext_item_expression', 'linetext_item_expression', image))
def testRenderWithTransform(self):
item = QgsAnnotationLineTextItem('my text', QgsLineString(
((12, 13), (13, 13.1), (14, 12))))
format = QgsTextFormat.fromQFont(getTestFont('Bold'))
format.setColor(QColor(255, 0, 0))
format.setOpacity(150 / 255)
format.setSize(55)
item.setFormat(format)
settings = QgsMapSettings()
settings.setDestinationCrs(QgsCoordinateReferenceSystem('EPSG:3857'))
settings.setExtent(QgsRectangle(1291958, 1386945, 1420709, 1532518))
settings.setOutputSize(QSize(600, 300))
settings.setFlag(QgsMapSettings.Flag.Antialiasing, False)
rc = QgsRenderContext.fromMapSettings(settings)
rc.setScaleFactor(96 / 25.4) # 96 DPI
rc.setCoordinateTransform(QgsCoordinateTransform(QgsCoordinateReferenceSystem('EPSG:4326'), settings.destinationCrs(), QgsProject.instance()))
image = QImage(600, 300, QImage.Format.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.image_check('linetext_item_transform', 'linetext_item_transform', image))
if __name__ == '__main__':
unittest.main()