Unit tests

qgis · Mar 21, 2021 · 97f6344 · 97f6344
1 parent 704b280
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diff --git a/tests/src/core/testqgscallout.cpp b/tests/src/core/testqgscallout.cpp
@@ -172,6 +172,9 @@ class TestQgsCallout: public QObject
     void curvedClockwise();
     void curvedCounterClockwise();
     void curvedCurvature();
+    void balloonCallout();
+    void balloonCalloutMargin();
+    void balloonCalloutWedgeWidth();
 
   private:
     bool imageCheck( const QString &testName, QImage &image, unsigned int mismatchCount = 0 );
@@ -3886,6 +3889,170 @@ void TestQgsCallout::curvedCurvature()
   QVERIFY( imageCheck( "curved_curvature", img, 20 ) );
 }
 
+void TestQgsCallout::balloonCallout()
+{
+  QSize size( 640, 480 );
+  QgsMapSettings mapSettings;
+  mapSettings.setOutputSize( size );
+  mapSettings.setExtent( vl->extent() );
+  mapSettings.setLayers( QList<QgsMapLayer *>() << vl );
+  mapSettings.setOutputDpi( 96 );
+
+  // first render the map and labeling separately
+
+  QgsMapRendererSequentialJob job( mapSettings );
+  job.start();
+  job.waitForFinished();
+
+  QImage img = job.renderedImage();
+
+  QPainter p( &img );
+  QgsRenderContext context = QgsRenderContext::fromMapSettings( mapSettings );
+  context.setPainter( &p );
+
+  QgsPalLayerSettings settings;
+  settings.fieldName = QStringLiteral( "Class" );
+  settings.placement = QgsPalLayerSettings::AroundPoint;
+  settings.dist = 7;
+
+  QgsTextFormat format;
+  format.setFont( QgsFontUtils::getStandardTestFont( QStringLiteral( "Bold" ) ).family() );
+  format.setSize( 12 );
+  format.setNamedStyle( QStringLiteral( "Bold" ) );
+  format.setColor( QColor( 200, 0, 200 ) );
+  settings.setFormat( format );
+
+  QgsBalloonCallout *callout = new QgsBalloonCallout();
+  callout->setEnabled( true );
+  callout->setFillSymbol( QgsFillSymbol::createSimple( QVariantMap( { { "color", "#ffcccc"},
+    { "outline-width", "1"}
+  } ) ) );
+  settings.setCallout( callout );
+
+  vl->setLabeling( new QgsVectorLayerSimpleLabeling( settings ) );
+  vl->setLabelsEnabled( true );
+
+  QgsDefaultLabelingEngine engine;
+  engine.setMapSettings( mapSettings );
+  engine.addProvider( new QgsVectorLayerLabelProvider( vl, QString(), true, &settings ) );
+  //engine.setFlags( QgsLabelingEngine::RenderOutlineLabels | QgsLabelingEngine::DrawLabelRectOnly );
+  engine.run( context );
+
+  p.end();
+
+  QVERIFY( imageCheck( "balloon_callout_render", img, 20 ) );
+}
+
+void TestQgsCallout::balloonCalloutMargin()
+{
+  QSize size( 640, 480 );
+  QgsMapSettings mapSettings;
+  mapSettings.setOutputSize( size );
+  mapSettings.setExtent( vl->extent() );
+  mapSettings.setLayers( QList<QgsMapLayer *>() << vl );
+  mapSettings.setOutputDpi( 96 );
+
+  // first render the map and labeling separately
+
+  QgsMapRendererSequentialJob job( mapSettings );
+  job.start();
+  job.waitForFinished();
+
+  QImage img = job.renderedImage();
+
+  QPainter p( &img );
+  QgsRenderContext context = QgsRenderContext::fromMapSettings( mapSettings );
+  context.setPainter( &p );
+
+  QgsPalLayerSettings settings;
+  settings.fieldName = QStringLiteral( "Class" );
+  settings.placement = QgsPalLayerSettings::AroundPoint;
+  settings.dist = 10;
+
+  QgsTextFormat format;
+  format.setFont( QgsFontUtils::getStandardTestFont( QStringLiteral( "Bold" ) ).family() );
+  format.setSize( 12 );
+  format.setNamedStyle( QStringLiteral( "Bold" ) );
+  format.setColor( QColor( 200, 0, 200 ) );
+  settings.setFormat( format );
+
+  QgsBalloonCallout *callout = new QgsBalloonCallout();
+  callout->setEnabled( true );
+  callout->setFillSymbol( QgsFillSymbol::createSimple( QVariantMap( { { "color", "#ffcccc"},
+    { "outline-width", "1"}
+  } ) ) );
+  callout->setMargins( QgsMargins( 1, 2, 3, 4 ) );
+  settings.setCallout( callout );
+
+  vl->setLabeling( new QgsVectorLayerSimpleLabeling( settings ) );
+  vl->setLabelsEnabled( true );
+
+  QgsDefaultLabelingEngine engine;
+  engine.setMapSettings( mapSettings );
+  engine.addProvider( new QgsVectorLayerLabelProvider( vl, QString(), true, &settings ) );
+  //engine.setFlags( QgsLabelingEngine::RenderOutlineLabels | QgsLabelingEngine::DrawLabelRectOnly );
+  engine.run( context );
+
+  p.end();
+
+  QVERIFY( imageCheck( "balloon_callout_margin", img, 20 ) );
+}
+
+void TestQgsCallout::balloonCalloutWedgeWidth()
+{
+  QSize size( 640, 480 );
+  QgsMapSettings mapSettings;
+  mapSettings.setOutputSize( size );
+  mapSettings.setExtent( vl->extent() );
+  mapSettings.setLayers( QList<QgsMapLayer *>() << vl );
+  mapSettings.setOutputDpi( 96 );
+
+  // first render the map and labeling separately
+
+  QgsMapRendererSequentialJob job( mapSettings );
+  job.start();
+  job.waitForFinished();
+
+  QImage img = job.renderedImage();
+
+  QPainter p( &img );
+  QgsRenderContext context = QgsRenderContext::fromMapSettings( mapSettings );
+  context.setPainter( &p );
+
+  QgsPalLayerSettings settings;
+  settings.fieldName = QStringLiteral( "Class" );
+  settings.placement = QgsPalLayerSettings::AroundPoint;
+  settings.dist = 10;
+
+  QgsTextFormat format;
+  format.setFont( QgsFontUtils::getStandardTestFont( QStringLiteral( "Bold" ) ).family() );
+  format.setSize( 12 );
+  format.setNamedStyle( QStringLiteral( "Bold" ) );
+  format.setColor( QColor( 200, 0, 200 ) );
+  settings.setFormat( format );
+
+  QgsBalloonCallout *callout = new QgsBalloonCallout();
+  callout->setEnabled( true );
+  callout->setFillSymbol( QgsFillSymbol::createSimple( QVariantMap( { { "color", "#ffcccc"},
+    { "outline-width", "1"}
+  } ) ) );
+  callout->setWedgeWidth( 6 );
+  settings.setCallout( callout );
+
+  vl->setLabeling( new QgsVectorLayerSimpleLabeling( settings ) );
+  vl->setLabelsEnabled( true );
+
+  QgsDefaultLabelingEngine engine;
+  engine.setMapSettings( mapSettings );
+  engine.addProvider( new QgsVectorLayerLabelProvider( vl, QString(), true, &settings ) );
+  //engine.setFlags( QgsLabelingEngine::RenderOutlineLabels | QgsLabelingEngine::DrawLabelRectOnly );
+  engine.run( context );
+
+  p.end();
+
+  QVERIFY( imageCheck( "balloon_callout_wedge_width", img, 20 ) );
+}
+
 //
 // Private helper functions not called directly by CTest
 //

diff --git a/...es/callouts/expected_balloon_callout_margin/expected_balloon_callout_margin.png b/...es/callouts/expected_balloon_callout_margin/expected_balloon_callout_margin.png
diff --git a/...es/callouts/expected_balloon_callout_render/expected_balloon_callout_render.png b/...es/callouts/expected_balloon_callout_render/expected_balloon_callout_render.png
diff --git a/...s/expected_balloon_callout_wedge_width/expected_balloon_callout_wedge_width.png b/...s/expected_balloon_callout_wedge_width/expected_balloon_callout_wedge_width.png