Subtract off the block's base point coordinate from the insert translation

pcbnew/import_gfx/dxf_import_plugin.cpp

@@ -483,8 +483,8 @@ void DXF_IMPORT_PLUGIN::addInsert( const DL_InsertData& aData )
     VECTOR3D insertCoords      = ocsToWcs( arbAxis, VECTOR3D( aData.ipx, aData.ipy, aData.ipz ) );
 
     VECTOR2D translation( mapX( insertCoords.x ), mapY( insertCoords.y ) );
+    translation -= VECTOR2D( mapX( block->m_baseX ), mapY( block->m_baseY ) );
 
-    // TODO: implement handling of scale
 
     for( auto& shape : block->m_buffer.GetShapes() )
     {

pcbnew/import_gfx/dxf_import_plugin.h

@@ -139,15 +139,15 @@ class DXF_IMPORT_BLOCK
 {
 public:
     wxString m_name;
-    double m_x, m_y;
+    double m_baseX, m_baseY;
 
     GRAPHICS_IMPORTER_BUFFER m_buffer;
 
     DXF_IMPORT_BLOCK( wxString aName, double aX, double aY )
     {
         m_name = aName;
-        m_x = aX;
-        m_y = aY;
+        m_baseX = aX;
+        m_baseY = aY;
     }
 };