[symbology] add diamond ellipse marker

Author: nirvn

src/core/symbology-ng/qgsellipsesymbollayerv2.cpp

@@ -597,6 +597,14 @@ void QgsEllipseSymbolLayerV2::preparePath( const QString& symbolName, QgsSymbolV
   {
     mPainterPath.addRect( QRectF( -size.width() / 2.0, -size.height() / 2.0, size.width(), size.height() ) );
   }
+  else if ( symbolName == "diamond" )
+  {
+    mPainterPath.moveTo( -size.width() / 2.0, 0 );
+    mPainterPath.lineTo( 0, size.height() / 2.0 );
+    mPainterPath.lineTo( size.width() / 2.0, 0 );
+    mPainterPath.lineTo( 0, -size.height() / 2.0 );
+    mPainterPath.lineTo( -size.width() / 2.0, 0 );
+  }
   else if ( symbolName == "cross" )
   {
     mPainterPath.moveTo( 0, -size.height() / 2.0 );

src/gui/qgsdatadefinedbutton.cpp

@@ -896,7 +896,7 @@ QString QgsDataDefinedButton::fillStyleDesc()
 
 QString QgsDataDefinedButton::markerStyleDesc()
 {
-  return trString() + QLatin1String( "[<b>circle</b>|<b>rectangle</b>|<b>cross</b>|<b>triangle"
+  return trString() + QLatin1String( "[<b>circle</b>|<b>rectangle</b>|<b>diamond</b>|<b>cross</b>|<b>triangle"
                                      "</b>|<b>right_half_triangle</b>|<b>left_half_triangle</b>|<b>semi_circle</b>]" );
 }
 

src/gui/symbology-ng/qgsellipsesymbollayerv2widget.cpp

@@ -46,7 +46,7 @@ QgsEllipseSymbolLayerV2Widget::QgsEllipseSymbolLayerV2Widget( const QgsVectorLay
   mRotationSpinBox->setClearValue( 0.0 );
 
   QStringList names;
-  names << "circle" << "rectangle" << "cross" << "triangle" << "right_half_triangle" << "left_half_triangle" << "semi_circle";
+  names << "circle" << "rectangle" << "diamond" << "cross" << "triangle" << "right_half_triangle" << "left_half_triangle" << "semi_circle";
   QSize iconSize = mShapeListWidget->iconSize();
 
   Q_FOREACH ( const QString& name, names )