1 files changed, 119 insertions, 0 deletions
diff --git a/modules/freetype2/src/pcf/pcfutil.c b/modules/freetype2/src/pcf/pcfutil.c
new file mode 100644
index 0000000000..9575726916
--- /dev/null
+++ b/modules/freetype2/src/pcf/pcfutil.c
@@ -0,0 +1,119 @@
+/*
+
+Copyright 1990, 1994, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+/* $XFree86: xc/lib/font/util/utilbitmap.c,v 1.3 1999/08/22 08:58:58 dawes Exp $ */
+
+/*
+ * Author:  Keith Packard, MIT X Consortium
+ */
+
+/* Modified for use with FreeType */
+
+
+#include "pcfutil.h"
+
+
+  /*
+   * Invert bit order within each BYTE of an array.
+   */
+
+  FT_LOCAL_DEF( void )
+  BitOrderInvert( unsigned char*  buf,
+                  size_t          nbytes )
+  {
+    for ( ; nbytes > 0; nbytes--, buf++ )
+    {
+      unsigned int  val = *buf;
+
+
+      val = ( ( val >> 1 ) & 0x55 ) | ( ( val << 1 ) & 0xAA );
+      val = ( ( val >> 2 ) & 0x33 ) | ( ( val << 2 ) & 0xCC );
+      val = ( ( val >> 4 ) & 0x0F ) | ( ( val << 4 ) & 0xF0 );
+
+      *buf = (unsigned char)val;
+    }
+  }
+
+
+#if defined( __clang__ )                                            || \
+    ( defined( __GNUC__ )                                          &&  \
+      ( __GNUC__ > 4 || ( __GNUC__ == 4 && __GNUC_MINOR__ >= 8 ) ) )
+
+#define BSWAP16( x )  __builtin_bswap16( x )
+#define BSWAP32( x )  __builtin_bswap32( x )
+
+#elif defined( _MSC_VER ) && _MSC_VER >= 1300
+
+#pragma intrinsic( _byteswap_ushort )
+#pragma intrinsic( _byteswap_ulong )
+
+#define BSWAP16( x )  _byteswap_ushort( x )
+#define BSWAP32( x )  _byteswap_ulong( x )
+
+#else
+
+#define BSWAP16( x )                             \
+        (FT_UInt16)( ( ( ( x ) >> 8 ) & 0xff ) | \
+                     ( ( ( x ) & 0xff ) << 8 ) )
+#define BSWAP32( x )                   \
+        (FT_UInt32)( ( ( ( x ) & 0xff000000u ) >> 24 ) | \
+                     ( ( ( x ) & 0x00ff0000u ) >> 8  ) | \
+                     ( ( ( x ) & 0x0000ff00u ) << 8  ) | \
+                     ( ( ( x ) & 0x000000ffu ) << 24 ) )
+
+#endif
+
+  /*
+   * Invert byte order within each 16-bits of an array.
+   */
+
+  FT_LOCAL_DEF( void )
+  TwoByteSwap( unsigned char*  buf,
+               size_t          nbytes )
+  {
+    FT_UInt16*  b = (FT_UInt16*)buf;
+
+
+    for ( ; nbytes >= 2; nbytes -= 2, b++ )
+      *b = BSWAP16( *b );
+  }
+
+  /*
+   * Invert byte order within each 32-bits of an array.
+   */
+
+  FT_LOCAL_DEF( void )
+  FourByteSwap( unsigned char*  buf,
+                size_t          nbytes )
+  {
+    FT_UInt32*  b = (FT_UInt32*)buf;
+
+
+    for ( ; nbytes >= 4; nbytes -= 4, b++ )
+      *b = BSWAP32( *b );
+  }
+
+
+/* END */