Avoid null pointer dereference

[lyx.git] / src / graphics / GraphicsParams.h

diff --git a/src/graphics/GraphicsParams.h b/src/graphics/GraphicsParams.h
index 86cc9dc9b16daeb648fde7454c1bfc3c4fb6d5f2..e05bb67c5a4c4e12f7a97959b14bfcc1a2e8ae70 100644 (file)
--- a/src/graphics/GraphicsParams.h
+++ b/src/graphics/GraphicsParams.h
@@ -15,6 +15,7 @@
 #define GRAPHICSPARAMS_H
 
 #include "support/FileName.h"
+#include "support/Length.h"
 
 #include <string>
 #include <iosfwd>
@@ -36,15 +37,16 @@ public:
        /// 0 0 0 0 is empty!
        bool empty() const;
 
-       unsigned int xl;
-       unsigned int yb;
-       unsigned int xr;
-       unsigned int yt;
+       Length xl;
+       Length yb;
+       Length xr;
+       Length yt;
 };
 
 bool operator==(BoundingBox const &, BoundingBox const &);
 bool operator!=(BoundingBox const &, BoundingBox const &);
 
+/// output bounding box in LyX file format
 std::ostream & operator<<(std::ostream &, BoundingBox const &);