(MFrame): New member dpi.

diff --git a/src/internal-gui.h b/src/internal-gui.h
index dff7d04..3e35497 100644 (file)
--- a/src/internal-gui.h
+++ b/src/internal-gui.h
@@ -72,6 +72,9 @@ struct MFrame
   /** Logical OR of enum MDeviceType.  */
   int device_type;
 
+  /** Resolution (dots per inch) of the device.  */
+  int dpi;
+
   /** Correction of functions to manipulate the device.  */
   MDeviceDriver *driver;