[ci] Add lines to better understand changes in labeling engine test (#…

…42844)
qgis · Apr 18, 2021 · b6e354f · b6e354f
1 parent 7c96ec8
commit b6e354f
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Showing 42 changed files with 20 additions and 20 deletions.
diff --git a/tests/src/core/testqgslabelingengine.cpp b/tests/src/core/testqgslabelingengine.cpp
@@ -976,7 +976,7 @@ void TestQgsLabelingEngine::testParallelLabelSmallFeature()
   settings.placement = QgsPalLayerSettings::Line;
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "linestring?crs=epsg:3148&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsVectorLayerLabelProvider *provider = new QgsVectorLayerLabelProvider( vl2.get(), QStringLiteral( "test" ), true, &settings );
   QgsFeature f( vl2->fields(), 1 );
@@ -1099,7 +1099,7 @@ void TestQgsLabelingEngine::testTouchingParts()
   // if treated individually, none of these parts are long enough for the label to fit -- but the label should be rendered if the mergeLines setting is true,
   // because the parts should be merged into a single linestring
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "MultiLineString?crs=epsg:3946&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -1284,7 +1284,7 @@ void TestQgsLabelingEngine::testCurvedLabelsWithTinySegments()
   settings.placement = QgsPalLayerSettings::Curved;
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:3946&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -1343,7 +1343,7 @@ void TestQgsLabelingEngine::testCurvedLabelCorrectLinePlacement()
   settings.maxCurvedCharAngleOut = 99;
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:4326&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -1409,7 +1409,7 @@ void TestQgsLabelingEngine::testCurvedLabelNegativeDistance()
   settings.dist = -5;
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:3946&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -1462,7 +1462,7 @@ void TestQgsLabelingEngine::testCurvedLabelOnSmallLineNearCenter()
   settings.labelPerPart = false;
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:3946&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -1516,7 +1516,7 @@ void TestQgsLabelingEngine::testRepeatDistanceWithSmallLine()
   settings.repeatDistance = 55;
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:3946&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -1570,7 +1570,7 @@ void TestQgsLabelingEngine::testParallelPlacementPreferAbove()
   settings.labelPerPart = false;
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:3946&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -1864,7 +1864,7 @@ void TestQgsLabelingEngine::drawUnplaced()
 
   // test a label with 0 candidates (line is too short for label)
   std::unique_ptr< QgsVectorLayer> vl3( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:4326&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl3->setRenderer( new QgsNullSymbolRenderer() );
+  vl3->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
   f.setGeometry( QgsGeometry::fromWkt( QStringLiteral( "LineString(-6.250851540391068 60.6, -6.250851640391068 60.6 )" ) ) );
   QVERIFY( vl3->dataProvider()->addFeature( f ) );
 
@@ -2543,7 +2543,7 @@ void TestQgsLabelingEngine::curvedOverrun()
   settings.lineSettings().setOverrunDistance( 0 );
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:3946&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -2616,7 +2616,7 @@ void TestQgsLabelingEngine::parallelOverrun()
   settings.lineSettings().setOverrunDistance( 0 );
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:3946&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -2946,7 +2946,7 @@ void TestQgsLabelingEngine::testMapUnitLetterSpacing()
   settings.setFormat( format );
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:3946&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -3000,7 +3000,7 @@ void TestQgsLabelingEngine::testMapUnitWordSpacing()
   settings.setFormat( format );
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:3946&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -3137,7 +3137,7 @@ void TestQgsLabelingEngine::testLineAnchorParallel()
   settings.lineSettings().setLineAnchorPercent( 0.0 );
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:3946&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -3201,7 +3201,7 @@ void TestQgsLabelingEngine::testLineAnchorParallelConstraints()
   settings.lineSettings().setAnchorType( QgsLabelLineSettings::AnchorType::HintOnly );
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:3946&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -3283,7 +3283,7 @@ void TestQgsLabelingEngine::testLineAnchorCurved()
   settings.lineSettings().setLineAnchorPercent( 0.0 );
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:3946&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -3347,7 +3347,7 @@ void TestQgsLabelingEngine::testLineAnchorCurvedConstraints()
   settings.lineSettings().setAnchorType( QgsLabelLineSettings::AnchorType::HintOnly );
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:3946&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -3429,7 +3429,7 @@ void TestQgsLabelingEngine::testLineAnchorHorizontal()
   settings.lineSettings().setLineAnchorPercent( 0.0 );
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:3946&field=id:integer" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << 1 );
@@ -3493,7 +3493,7 @@ void TestQgsLabelingEngine::testLineAnchorHorizontalConstraints()
   settings.lineSettings().setAnchorType( QgsLabelLineSettings::AnchorType::HintOnly );
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:3946&field=l:string" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << QVariant() );
@@ -3641,7 +3641,7 @@ void TestQgsLabelingEngine::testShowAllLabelsWhenALabelHasNoCandidates()
   settings.lineSettings().setOverrunDistance( 50 );
 
   std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( QStringLiteral( "LineString?crs=epsg:23700&field=l:string" ), QStringLiteral( "vl" ), QStringLiteral( "memory" ) ) );
-  vl2->setRenderer( new QgsNullSymbolRenderer() );
+  vl2->setRenderer( new QgsSingleSymbolRenderer( QgsLineSymbol::createSimple( { {QStringLiteral( "color" ), QStringLiteral( "#000000" )}, {QStringLiteral( "outline_width" ), 0.6} } ) ) );
 
   QgsFeature f;
   f.setAttributes( QgsAttributes() << QVariant() );

diff --git a/...images/labelingengine/expected_curved_anchor_end/expected_curved_anchor_end.png b/...images/labelingengine/expected_curved_anchor_end/expected_curved_anchor_end.png
diff --git a/...es/labelingengine/expected_curved_anchor_start/expected_curved_anchor_start.png b/...es/labelingengine/expected_curved_anchor_start/expected_curved_anchor_start.png
diff --git a/...elingengine/expected_curved_hint_anchor_end/expected_curved_hint_anchor_end.png b/...elingengine/expected_curved_hint_anchor_end/expected_curved_hint_anchor_end.png
diff --git a/...gengine/expected_curved_hint_anchor_start/expected_curved_hint_anchor_start.png b/...gengine/expected_curved_hint_anchor_start/expected_curved_hint_anchor_start.png
diff --git a/...gengine/expected_curved_strict_anchor_end/expected_curved_strict_anchor_end.png b/...gengine/expected_curved_strict_anchor_end/expected_curved_strict_anchor_end.png
diff --git a/...ine/expected_curved_strict_anchor_start/expected_curved_strict_anchor_start.png b/...ine/expected_curved_strict_anchor_start/expected_curved_strict_anchor_start.png
diff --git a/...abelingengine/expected_horizontal_anchor_end/expected_horizontal_anchor_end.png b/...abelingengine/expected_horizontal_anchor_end/expected_horizontal_anchor_end.png
diff --git a/...ingengine/expected_horizontal_anchor_start/expected_horizontal_anchor_start.png b/...ingengine/expected_horizontal_anchor_start/expected_horizontal_anchor_start.png
diff --git a/...ine/expected_horizontal_hint_anchor_end/expected_horizontal_hint_anchor_end.png b/...ine/expected_horizontal_hint_anchor_end/expected_horizontal_hint_anchor_end.png
diff --git a/...expected_horizontal_hint_anchor_start/expected_horizontal_hint_anchor_start.png b/...expected_horizontal_hint_anchor_start/expected_horizontal_hint_anchor_start.png
diff --git a/...expected_horizontal_strict_anchor_end/expected_horizontal_strict_anchor_end.png b/...expected_horizontal_strict_anchor_end/expected_horizontal_strict_anchor_end.png
diff --git a/...cted_horizontal_strict_anchor_start/expected_horizontal_strict_anchor_start.png b/...cted_horizontal_strict_anchor_start/expected_horizontal_strict_anchor_start.png
diff --git a/.../expected_label_curved_label_above_1/v1/expected_label_curved_label_above_1.png b/.../expected_label_curved_label_above_1/v1/expected_label_curved_label_above_1.png
diff --git a/.../expected_label_curved_label_above_1/v2/expected_label_curved_label_above_1.png b/.../expected_label_curved_label_above_1/v2/expected_label_curved_label_above_1.png
diff --git a/.../expected_label_curved_label_below_1/v1/expected_label_curved_label_below_1.png b/.../expected_label_curved_label_below_1/v1/expected_label_curved_label_below_1.png
diff --git a/.../expected_label_curved_label_below_1/v2/expected_label_curved_label_below_1.png b/.../expected_label_curved_label_below_1/v2/expected_label_curved_label_below_1.png
diff --git a/...abel_curved_label_small_segments/expected_label_curved_label_small_segments.png b/...abel_curved_label_small_segments/expected_label_curved_label_small_segments.png
diff --git a/...curved_label_small_segments/expected_label_curved_label_small_segments_mask.png b/...curved_label_small_segments/expected_label_curved_label_small_segments_mask.png
diff --git a/...cted_label_curved_negative_distance/expected_label_curved_negative_distance.png b/...cted_label_curved_negative_distance/expected_label_curved_negative_distance.png
diff --git a/...label_curved_negative_distance/expected_label_curved_negative_distance_mask.png b/...label_curved_negative_distance/expected_label_curved_negative_distance_mask.png
diff --git a/...ingengine/expected_label_curved_no_overrun/expected_label_curved_no_overrun.png b/...ingengine/expected_label_curved_no_overrun/expected_label_curved_no_overrun.png
diff --git a/...belingengine/expected_label_curved_overrun/v1/expected_label_curved_overrun.png b/...belingengine/expected_label_curved_overrun/v1/expected_label_curved_overrun.png
diff --git a/...belingengine/expected_label_curved_overrun/v2/expected_label_curved_overrun.png b/...belingengine/expected_label_curved_overrun/v2/expected_label_curved_overrun.png
diff --git a/..._curved_small_feature_centered/expected_label_curved_small_feature_centered.png b/..._curved_small_feature_centered/expected_label_curved_small_feature_centered.png
diff --git a/...ed_small_feature_centered/expected_label_curved_small_feature_centered_mask.png b/...ed_small_feature_centered/expected_label_curved_small_feature_centered_mask.png
diff --git a/...cted_label_letter_spacing_map_units/expected_label_letter_spacing_map_units.png b/...cted_label_letter_spacing_map_units/expected_label_letter_spacing_map_units.png
diff --git a/...cted_label_multipart_touching_lines/expected_label_multipart_touching_lines.png b/...cted_label_multipart_touching_lines/expected_label_multipart_touching_lines.png
diff --git a/...label_multipart_touching_lines/expected_label_multipart_touching_lines_mask.png b/...label_multipart_touching_lines/expected_label_multipart_touching_lines_mask.png
diff --git a/...elingengine/expected_label_parallel_overrun/expected_label_parallel_overrun.png b/...elingengine/expected_label_parallel_overrun/expected_label_parallel_overrun.png
diff --git a/...eat_distance_with_small_line/expected_label_repeat_distance_with_small_line.png b/...eat_distance_with_small_line/expected_label_repeat_distance_with_small_line.png
diff --git a/...istance_with_small_line/expected_label_repeat_distance_with_small_line_mask.png b/...istance_with_small_line/expected_label_repeat_distance_with_small_line_mask.png
diff --git a/...expected_label_word_spacing_map_units/expected_label_word_spacing_map_units.png b/...expected_label_word_spacing_map_units/expected_label_word_spacing_map_units.png
diff --git a/...es/labelingengine/expected_parallel_anchor_end/expected_parallel_anchor_end.png b/...es/labelingengine/expected_parallel_anchor_end/expected_parallel_anchor_end.png
diff --git a/...abelingengine/expected_parallel_anchor_start/expected_parallel_anchor_start.png b/...abelingengine/expected_parallel_anchor_start/expected_parallel_anchor_start.png
diff --git a/...gengine/expected_parallel_hint_anchor_end/expected_parallel_hint_anchor_end.png b/...gengine/expected_parallel_hint_anchor_end/expected_parallel_hint_anchor_end.png
diff --git a/...ine/expected_parallel_hint_anchor_start/expected_parallel_hint_anchor_start.png b/...ine/expected_parallel_hint_anchor_start/expected_parallel_hint_anchor_start.png
diff --git a/...abelingengine/expected_parallel_prefer_above/expected_parallel_prefer_above.png b/...abelingengine/expected_parallel_prefer_above/expected_parallel_prefer_above.png
diff --git a/...ngengine/expected_parallel_prefer_above/expected_parallel_prefer_above_mask.png b/...ngengine/expected_parallel_prefer_above/expected_parallel_prefer_above_mask.png
diff --git a/...ine/expected_parallel_strict_anchor_end/expected_parallel_strict_anchor_end.png b/...ine/expected_parallel_strict_anchor_end/expected_parallel_strict_anchor_end.png
diff --git a/...expected_parallel_strict_anchor_start/expected_parallel_strict_anchor_start.png b/...expected_parallel_strict_anchor_start/expected_parallel_strict_anchor_start.png
diff --git a/...w_all_labels_when_no_candidates/expected_show_all_labels_when_no_candidates.png b/...w_all_labels_when_no_candidates/expected_show_all_labels_when_no_candidates.png