/* */
/* FreeType utility functions for bitmaps (body). */
/* */
-/* Copyright 2004, 2005, 2006, 2007, 2008, 2009 by */
+/* Copyright 2004-2009, 2011 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
int new_pitch;
FT_UInt bpp;
FT_Int i, width, height;
- unsigned char* buffer;
+ unsigned char* buffer = NULL;
width = bitmap->width;
if ( ( ( FT_PIX_ROUND( xStrength ) >> 6 ) > FT_INT_MAX ) ||
( ( FT_PIX_ROUND( yStrength ) >> 6 ) > FT_INT_MAX ) )
return FT_Err_Invalid_Argument;
-
+
xstr = (FT_Int)FT_PIX_ROUND( xStrength ) >> 6;
ystr = (FT_Int)FT_PIX_ROUND( yStrength ) >> 6;
target->pitch = source->width + pad;
+ if ( target->pitch > 0 &&
+ (FT_ULong)target->rows > FT_ULONG_MAX / target->pitch )
+ return FT_Err_Invalid_Argument;
+
if ( target->rows * target->pitch > old_size &&
FT_QREALLOC( target->buffer,
old_size, target->rows * target->pitch ) )