Unit test for georeferencing output

qgis · Aug 19, 2019 · 79f796e · 79f796e
1 parent 71ccfed
commit 79f796e
Showing 1 changed file with 55 additions and 0 deletions.
diff --git a/tests/src/core/testqgsgeopdfexport.cpp b/tests/src/core/testqgsgeopdfexport.cpp
@@ -57,6 +57,7 @@ class TestQgsGeoPdfExport : public QObject
     void testCollectingFeatures();
     void testComposition();
     void testMetadata();
+    void testGeoref();
 
   private:
 
@@ -311,5 +312,59 @@ void TestQgsGeoPdfExport::testMetadata()
 
 }
 
+void TestQgsGeoPdfExport::testGeoref()
+{
+  if ( !QgsAbstractGeoPdfExporter::geoPDFCreationAvailable() )
+  {
+    QSKIP( "This test requires GeoPDF creation abilities", SkipSingle );
+  }
+
+  TestGeoPdfExporter geoPdfExporter;
+  // test creation of the composition xml with georeferencing
+
+  QList< QgsAbstractGeoPdfExporter::ComponentLayerDetail > renderedLayers;
+  QgsAbstractGeoPdfExporter::ExportDetails details;
+  QString composition = geoPdfExporter.createCompositionXml( renderedLayers, details );
+  QgsDebugMsg( composition );
+  QDomDocument doc;
+  doc.setContent( composition );
+  QCOMPARE( doc.elementsByTagName( QStringLiteral( "Georeferencing" ) ).count(), 0 );
+
+  // with points
+  QgsAbstractGeoPdfExporter::GeoReferencedSection section;
+  section.crs = QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:4283" ) );
+  section.pageBoundsMm = QgsRectangle( 0, 0, 253.2, 222.25 );
+  section.controlPoints.append( QgsAbstractGeoPdfExporter::ControlPoint( QgsPointXY( 0, 0 ), QgsPointXY( -122.4, 53.6 ) ) );
+  section.controlPoints.append( QgsAbstractGeoPdfExporter::ControlPoint( QgsPointXY( 253.2, 0 ), QgsPointXY( -78, 53.6 ) ) );
+  section.controlPoints.append( QgsAbstractGeoPdfExporter::ControlPoint( QgsPointXY( 253.2, 222.25 ), QgsPointXY( -78, 14.6 ) ) );
+  section.controlPoints.append( QgsAbstractGeoPdfExporter::ControlPoint( QgsPointXY( 0, 222.25 ), QgsPointXY( -122.4, 14.6 ) ) );
+  details.georeferencedSections << section;
+
+  composition = geoPdfExporter.createCompositionXml( renderedLayers, details );
+  QgsDebugMsg( composition );
+  doc.setContent( composition );
+  QCOMPARE( doc.elementsByTagName( QStringLiteral( "SRS" ) ).at( 0 ).toElement().text(), QStringLiteral( "EPSG:4283" ) );
+  QCOMPARE( doc.elementsByTagName( QStringLiteral( "BoundingBox" ) ).at( 0 ).toElement().attribute( QStringLiteral( "x1" ) ), QStringLiteral( "0" ) );
+  QCOMPARE( doc.elementsByTagName( QStringLiteral( "BoundingBox" ) ).at( 0 ).toElement().attribute( QStringLiteral( "x2" ) ), QStringLiteral( "717.732" ) );
+  QCOMPARE( doc.elementsByTagName( QStringLiteral( "BoundingBox" ) ).at( 0 ).toElement().attribute( QStringLiteral( "y1" ) ), QStringLiteral( "0" ) );
+  QCOMPARE( doc.elementsByTagName( QStringLiteral( "BoundingBox" ) ).at( 0 ).toElement().attribute( QStringLiteral( "y2" ) ), QStringLiteral( "630" ) );
+
+  QDomNodeList cps = doc.elementsByTagName( QStringLiteral( "ControlPoint" ) );
+  QCOMPARE( cps.count(), 4 );
+  QDomElement cp1;
+  for ( int i = 0; i < 4; ++i )
+  {
+    if ( cps.at( i ).toElement().attribute( QStringLiteral( "GeoX" ) ) == QStringLiteral( "-122.4" )
+         && cps.at( i ).toElement().attribute( QStringLiteral( "GeoY" ) ) == QStringLiteral( "53.6" ) )
+    {
+      cp1 = cps.at( i ).toElement();
+      break;
+    }
+  }
+  QVERIFY( !cp1.isNull() );
+  QCOMPARE( cp1.attribute( QStringLiteral( "x" ) ), QStringLiteral( "0" ) );
+  QCOMPARE( cp1.attribute( QStringLiteral( "y" ) ), QStringLiteral( "-2.83465" ) );
+}
+
 QGSTEST_MAIN( TestQgsGeoPdfExport )
 #include "testqgsgeopdfexport.moc"