Tests for grid blending, grid color labels, vector feature blending and vector layer transparency

Author: nyalldawson

tests/src/core/testqgsblendmodes.cpp

@@ -45,12 +45,15 @@ class TestQgsBlendModes: public QObject
     void cleanup() {};// will be called after every testfunction.
 
     void vectorBlending();
+    void featureBlending();
+    void vectorLayerTransparency();
     void rasterBlending();
   private:
     bool imageCheck( QString theType ); //as above
     QgsMapRenderer * mpMapRenderer;
     QgsMapLayer * mpPointsLayer;
     QgsMapLayer * mpPolysLayer;
+    QgsVectorLayer * mpLinesLayer;
     QgsRasterLayer* mRasterLayer1;
     QgsRasterLayer* mRasterLayer2;
     QString mTestDataDir;
@@ -85,6 +88,14 @@ void TestQgsBlendModes::initTestCase()
   QgsMapLayerRegistry::instance()->addMapLayers(
     QList<QgsMapLayer *>() << mpPolysLayer );
 
+  //create a line layer that will be used in tests
+  QString myLinesFileName = mTestDataDir + "lines.shp";
+  QFileInfo myLineFileInfo( myLinesFileName );
+  mpLinesLayer = new QgsVectorLayer( myLineFileInfo.filePath(),
+                                     myLineFileInfo.completeBaseName(), "ogr" );
+  QgsMapLayerRegistry::instance()->addMapLayers(
+    QList<QgsMapLayer *>() << mpLinesLayer );
+
   //create two raster layers
   QFileInfo rasterFileInfo( mTestDataDir +  "landsat.tif" );
   mRasterLayer1 = new QgsRasterLayer( rasterFileInfo.filePath(),
@@ -121,6 +132,35 @@ void TestQgsBlendModes::vectorBlending()
   QVERIFY( imageCheck( "vector_blendmodes" ) );
 }
 
+void TestQgsBlendModes::featureBlending()
+{
+  //Add two vector layers
+  QStringList myLayers;
+  myLayers << mpLinesLayer->id();
+  myLayers << mpPolysLayer->id();
+  mpMapRenderer->setLayerSet( myLayers );
+
+  //Set feature blending modes for point layer
+  mpLinesLayer->setFeatureBlendMode( QPainter::CompositionMode_Plus );
+  mpMapRenderer->setExtent( mpPointsLayer->extent() );
+  QVERIFY( imageCheck( "vector_featureblendmodes" ) );
+}
+
+void TestQgsBlendModes::vectorLayerTransparency()
+{
+  //Add two vector layers
+  QStringList myLayers;
+  myLayers << mpLinesLayer->id();
+  myLayers << mpPolysLayer->id();
+  mpMapRenderer->setLayerSet( myLayers );
+  mpLinesLayer->setFeatureBlendMode( QPainter::CompositionMode_SourceOver );
+
+  //Set feature blending modes for point layer
+  mpLinesLayer->setLayerTransparency( 50 );
+  mpMapRenderer->setExtent( mpPointsLayer->extent() );
+  QVERIFY( imageCheck( "vector_layertransparency" ) );
+}
+
 void TestQgsBlendModes::rasterBlending()
 {
   //Add two raster layers to map renderer

tests/src/core/testqgscomposermap.cpp

@@ -107,13 +107,16 @@ void TestQgsComposerMap::grid()
   mComposerMap->setGridIntervalY( 2000 );
   mComposerMap->setShowGridAnnotation( true );
   mComposerMap->setGridPenWidth( 0.5 );
+  mComposerMap->setGridPenColor( QColor( 0, 255, 0 ) );
   mComposerMap->setGridAnnotationPrecision( 0 );
   mComposerMap->setGridAnnotationPosition( QgsComposerMap::Disabled, QgsComposerMap::Left );
   mComposerMap->setGridAnnotationPosition( QgsComposerMap::OutsideMapFrame, QgsComposerMap::Right );
   mComposerMap->setGridAnnotationPosition( QgsComposerMap::Disabled, QgsComposerMap::Top );
   mComposerMap->setGridAnnotationPosition( QgsComposerMap::OutsideMapFrame, QgsComposerMap::Bottom );
   mComposerMap->setGridAnnotationDirection( QgsComposerMap::Horizontal, QgsComposerMap::Right );
   mComposerMap->setGridAnnotationDirection( QgsComposerMap::Horizontal, QgsComposerMap::Bottom );
+  mComposerMap->setAnnotationFontColor( QColor( 255, 0, 0, 150 ) );
+  mComposerMap->setGridBlendMode( QPainter::CompositionMode_Overlay );
   QgsCompositionChecker checker( "Composer map grid", mComposition, QString( QString( TEST_DATA_DIR ) + QDir::separator() +
                                  "control_images" + QDir::separator() + "expected_composermap" + QDir::separator() + "composermap_landsat_grid.png" ) );
   bool testResult = checker.testComposition();
@@ -200,6 +203,10 @@ void TestQgsComposerMap::uniqueId()
 
 void TestQgsComposerMap::zebraStyle()
 {
+  mComposerMap->setGridPenColor( QColor( 0, 0, 0 ) );
+  mComposerMap->setAnnotationFontColor( QColor( 0, 0, 0, 0 ) );
+  mComposerMap->setGridBlendMode( QPainter::CompositionMode_SourceOver );
+
   mComposerMap->setGridFrameStyle( QgsComposerMap::Zebra );
   mComposerMap->setGridEnabled( true );