Merge pull request #8320 from rldhont/server-reactivate-print-selection-3

[Server] Reactivate the capability to print selection with Server 3.4

python/core/auto_generated/layout/qgslayoutrendercontext.sip.in

@@ -29,6 +29,7 @@ Stores information relating to the current rendering settings for a layout.
       FlagUseAdvancedEffects,
       FlagForceVectorOutput,
       FlagHideCoverageLayer,
+      FlagDrawSelection,
     };
     typedef QFlags<QgsLayoutRenderContext::Flag> Flags;
 
@@ -103,6 +104,24 @@ Returns the ``dpi`` for outputting the layout.
 .. seealso:: :py:func:`setDpi`
 %End
 
+    void setSelectionColor( const QColor &color );
+%Docstring
+Sets color that is used for drawing of selected vector features
+
+.. seealso:: :py:func:`selectionColor`
+
+.. versionadded:: 3.4
+%End
+
+    QColor selectionColor() const;
+%Docstring
+Gets color that is used for drawing of selected vector features
+
+.. seealso:: :py:func:`setSelectionColor`
+
+.. versionadded:: 3.4
+%End
+
 
     QgsLayoutMeasurementConverter &measurementConverter();
 %Docstring

src/core/layout/qgslayoutitemmap.cpp

@@ -1104,7 +1104,8 @@ QgsMapSettings QgsLayoutItemMap::mapSettings( const QgsRectangle &extent, QSizeF
   jobMapSettings.setFlag( QgsMapSettings::ForceVectorOutput, true ); // force vector output (no caching of marker images etc.)
   jobMapSettings.setFlag( QgsMapSettings::Antialiasing, mLayout->renderContext().flags() & QgsLayoutRenderContext::FlagAntialiasing );
   jobMapSettings.setFlag( QgsMapSettings::DrawEditingInfo, false );
-  jobMapSettings.setFlag( QgsMapSettings::DrawSelection, false );
+  jobMapSettings.setSelectionColor( mLayout->renderContext().selectionColor() );
+  jobMapSettings.setFlag( QgsMapSettings::DrawSelection, mLayout->renderContext().flags() & QgsLayoutRenderContext::FlagDrawSelection );
   jobMapSettings.setFlag( QgsMapSettings::UseAdvancedEffects, mLayout->renderContext().flags() & QgsLayoutRenderContext::FlagUseAdvancedEffects );
   jobMapSettings.setTransformContext( mLayout->project()->transformContext() );
   jobMapSettings.setPathResolver( mLayout->project()->pathResolver() );

src/core/layout/qgslayoutrendercontext.h

@@ -45,6 +45,7 @@ class CORE_EXPORT QgsLayoutRenderContext : public QObject
       FlagUseAdvancedEffects = 1 << 4, //!< Enable advanced effects such as blend modes.
       FlagForceVectorOutput = 1 << 5, //!< Force output in vector format where possible, even if items require rasterization to keep their correct appearance.
       FlagHideCoverageLayer = 1 << 6, //!< Hide coverage layer in outputs
+      FlagDrawSelection = 1 << 7, //!< Draw selection
     };
     Q_DECLARE_FLAGS( Flags, Flag )
 
@@ -104,6 +105,20 @@ class CORE_EXPORT QgsLayoutRenderContext : public QObject
      */
     double dpi() const;
 
+    /**
+     * Sets color that is used for drawing of selected vector features
+     * \see selectionColor()
+     * \since QGIS 3.4
+     */
+    void setSelectionColor( const QColor &color ) { mSelectionColor = color; }
+
+    /**
+     * Gets color that is used for drawing of selected vector features
+     * \see setSelectionColor()
+     * \since QGIS 3.4
+     */
+    QColor selectionColor() const { return mSelectionColor; }
+
     /**
      * Returns the layout measurement converter to be used in the layout. This converter is used
      * for translating between other measurement units and the layout's native unit.
@@ -206,6 +221,8 @@ class CORE_EXPORT QgsLayoutRenderContext : public QObject
 
     int mCurrentExportLayer = -1;
 
+    QColor mSelectionColor = Qt::yellow;
+
     QgsLayoutMeasurementConverter mMeasurementConverter;
 
     bool mIsPreviewRender = true;

src/server/services/wms/qgswmsrenderer.cpp

@@ -66,7 +66,6 @@
 #include "qgslayerrestorer.h"
 #include "qgsdxfexport.h"
 #include "qgssymbollayerutils.h"
-#include "qgslayoutitemlegend.h"
 #include "qgsserverexception.h"
 
 #include <QImage>
@@ -80,6 +79,7 @@
 #include "qgslayoutmanager.h"
 #include "qgslayoutexporter.h"
 #include "qgslayoutsize.h"
+#include "qgslayoutrendercontext.h"
 #include "qgslayoutmeasurement.h"
 #include "qgsprintlayout.h"
 #include "qgslayoutpagecollection.h"
@@ -396,6 +396,8 @@ namespace QgsWms
         if ( ok )
           exportSettings.dpi = dpi;
       }
+      // Draw selections
+      exportSettings.flags |= QgsLayoutRenderContext::FlagDrawSelection;
       QgsLayoutExporter exporter( layout.get() );
       exporter.exportToSvg( tempOutputFile.fileName(), exportSettings );
     }
@@ -413,6 +415,8 @@ namespace QgsWms
           dpi = _dpi;
       }
       exportSettings.dpi = dpi;
+      // Draw selections
+      exportSettings.flags |= QgsLayoutRenderContext::FlagDrawSelection;
       // Destination image size in px
       QgsLayoutSize layoutSize( layout->pageCollection()->page( 0 )->sizeWithUnits() );
       QgsLayoutMeasurement width( layout->convertFromLayoutUnits( layoutSize.width(), QgsUnitTypes::LayoutUnit::LayoutMillimeters ) );
@@ -435,6 +439,8 @@ namespace QgsWms
         if ( ok )
           exportSettings.dpi = dpi;
       }
+      // Draw selections
+      exportSettings.flags |= QgsLayoutRenderContext::FlagDrawSelection;
       // Export all pages
       QgsLayoutExporter exporter( layout.get() );
       exporter.exportToPdf( tempOutputFile.fileName(), exportSettings );
@@ -450,7 +456,6 @@ namespace QgsWms
 
   bool QgsRenderer::configurePrintLayout( QgsPrintLayout *c, const QgsMapSettings &mapSettings )
   {
-
     // Maps are configured first
     QList<QgsLayoutItemMap *> maps;
     c->layoutItems<QgsLayoutItemMap>( maps );
@@ -1141,6 +1146,13 @@ namespace QgsWms
 
     // enable rendering optimization
     mapSettings.setFlag( QgsMapSettings::UseRenderingOptimization );
+
+    // set selection color
+    int myRed = mProject->readNumEntry( "Gui", "/SelectionColorRedPart", 255 );
+    int myGreen = mProject->readNumEntry( "Gui", "/SelectionColorGreenPart", 255 );
+    int myBlue = mProject->readNumEntry( "Gui", "/SelectionColorBluePart", 0 );
+    int myAlpha = mProject->readNumEntry( "Gui", "/SelectionColorAlphaPart", 255 );
+    mapSettings.setSelectionColor( QColor( myRed, myGreen, myBlue, myAlpha ) );
   }
 
   QDomDocument QgsRenderer::featureInfoDocument( QList<QgsMapLayer *> &layers, const QgsMapSettings &mapSettings,

tests/src/python/test_qgsserver_wms_getprint.py

@@ -286,6 +286,7 @@ class TestQgsServerWMSGetPrint(QgsServerTestBase):
             "REQUEST": "GetPrint",
             "TEMPLATE": "layoutA4",
             "FORMAT": "png",
+            "LAYERS": "Country,Hello",
             "map0:EXTENT": "-33626185.498,-13032965.185,33978427.737,16020257.031",
             "map0:LAYERS": "Country,Hello",
             "CRS": "EPSG:3857",