Use QPrinter instead of QPixmap to find out screen resolution

git-svn-id: http://svn.osgeo.org/qgis/trunk@8658 c8812cc2-4d05-0410-92ff-de0c093fc19c
qgis · Jun 20, 2008 · f609279 · f609279
1 parent aff0f86
commit f609279
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/core/qgsprojectfiletransform.cpp b/src/core/qgsprojectfiletransform.cpp
@@ -22,7 +22,7 @@
 #include "qgslogger.h"
 #include <QTextStream>
 #include <QDomDocument>
-#include <QPixmap> //to find out screen resolution
+#include <QPrinter> //to find out screen resolution
 
 typedef QgsProjectVersion PFV;
 
@@ -242,8 +242,8 @@ void QgsProjectFileTransform::transform0100to0110()
   if ( ! mDom.isNull() )
     {
       //Change 'outlinewidth' in QgsSymbol
-      QPixmap thePixmap;
-      int screenDpi = (thePixmap.logicalDpiX() + thePixmap.logicalDpiY()) / 2;
+      QPrinter myPrinter ( QPrinter::ScreenResolution ); 
+      int screenDpi = myPrinter.resolution();
       double widthScaleFactor = 25.4 / screenDpi;
 
       QDomNodeList outlineWidthList = mDom.elementsByTagName("outlinewidth");