Add copy constructor and assignment operator for QgsDxfExport

Author: mhugent

python/CMakeLists.txt

@@ -38,6 +38,7 @@ INCLUDE_DIRECTORIES(
   ../src/core/pal
   ../src/core/composer
   ../src/core/diagram
+  ../src/core/dxf
   ../src/core/gps
   ../src/core/raster
   ../src/core/symbology-ng

src/core/dxf/qgsdxfexport.cpp

@@ -291,6 +291,23 @@ QgsDxfExport::QgsDxfExport(): mSymbologyScaleDenominator( 1.0 ), mSymbologyExpor
 {
 }
 
+QgsDxfExport::QgsDxfExport( const QgsDxfExport& dxfExport )
+{
+  *this = dxfExport;
+}
+
+QgsDxfExport& QgsDxfExport::operator=( const QgsDxfExport & dxfExport )
+{
+  mLayers = dxfExport.mLayers;
+  mSymbologyScaleDenominator = dxfExport.mSymbologyScaleDenominator;
+  mSymbologyExport = dxfExport.mSymbologyExport;
+  mMapUnits = dxfExport.mMapUnits;
+  mSymbolLayerCounter = 0; //internal counter
+  mNextHandleId = 0;
+  mBlockCounter = 0;
+  return *this;
+}
+
 QgsDxfExport::~QgsDxfExport()
 {
 }

src/core/dxf/qgsdxfexport.h

@@ -40,7 +40,9 @@ class QgsDxfExport
     };
 
     QgsDxfExport();
+    QgsDxfExport( const QgsDxfExport& dxfExport );
     ~QgsDxfExport();
+    QgsDxfExport& operator=( const QgsDxfExport& dxfExport );
 
     void addLayers( QList< QgsMapLayer* >& layers ) { mLayers = layers; }
     int writeToFile( QIODevice* d );  //maybe add progress dialog? //other parameters (e.g. scale, dpi)?
@@ -84,8 +86,6 @@ class QgsDxfExport
 
     QTextStream mTextStream;
 
-    QVector<QRgb> mDxfColorPalette;
-
     static double mDxfColors[][3];
 
     int mSymbolLayerCounter; //internal counter