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[base] Fix broken emboldening at small sizes.

* src/base/ftoutln.c (FT_Outline_EmboldenXY): Do not attempt to
normalize zero-length vectors.

git/fs: mount .git/fs: mount/attach disallowed

--- a/ChangeLog

+++ b/ChangeLog

@@ -1,3 +1,10 @@

+2013-01-23  Alexei Podtelezhnikov  <[email protected]>

+

+	[base] Fix broken emboldening at small sizes.

+

+	* src/base/ftoutln.c (FT_Outline_EmboldenXY): Do not attempt to

+	normalize zero-length vectors.

+

 2013-01-25  Werner Lemberg  <[email protected]>

 	Fix Savannah bug #38167.

--- a/src/base/ftoutln.c

+++ b/src/base/ftoutln.c

@@ -942,8 +942,11 @@

       in.x = v_cur.x - v_prev.x;

       in.y = v_cur.y - v_prev.y;

       l_in = FT_Vector_Length( &in );

-      in.x = FT_DivFix( in.x, l_in );

-      in.y = FT_DivFix( in.y, l_in );

+      if ( l_in )

+      {

+        in.x = FT_DivFix( in.x, l_in );

+        in.y = FT_DivFix( in.y, l_in );

+      }

       for ( n = first; n <= last; n++ )

       {

@@ -956,8 +959,11 @@

         out.x = v_next.x - v_cur.x;

         out.y = v_next.y - v_cur.y;

         l_out = FT_Vector_Length( &out );

-        out.x = FT_DivFix( out.x, l_out );

-        out.y = FT_DivFix( out.y, l_out );

+        if ( l_out )

+        {

+          out.x = FT_DivFix( out.x, l_out );

+          out.y = FT_DivFix( out.y, l_out );

+        }

         d = FT_MulFix( in.x, out.x ) + FT_MulFix( in.y, out.y );