Added accessor for canvas bg colour

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@7876 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: timlinux

src/gui/qgsmapcanvas.cpp

@@ -941,6 +941,10 @@ void QgsMapCanvas::setCanvasColor(const QColor & theColor)
   mScene->setBackgroundBrush(bgBrush);
 } // setbgColor
 
+QColor QgsMapCanvas::canvasColor() const
+{
+  return mScene->backgroundBrush().color();
+}
 
 int QgsMapCanvas::layerCount() const
 {

src/gui/qgsmapcanvas.h

@@ -160,6 +160,8 @@ class GUI_EXPORT QgsMapCanvas : public QGraphicsView
 
     /** Write property of QColor bgColor. */
     virtual void setCanvasColor(const QColor & _newVal);
+    /** Read property of QColor bgColor. */
+    virtual QColor canvasColor() const;
 
     /** Emits signal scalChanged to update scale in main window */
     void updateScale();