* include/freetype/ftcache.h (FT_POINTER_TO_ULONG): New macro.

23 years ago · 6b37302d08
parent 5d506cf3c7
commit 6b37302d08
3 changed files with 11 additions and 2 deletions
--- a/5
+++ b/5
@ -1,3 +1,8 @@
+2002-10-25  David Turner  <david@freetype.org>
+
+	* include/freetype/ftcache.h (FT_POINTER_TO_ULONG): New macro.
+	(FTC_FACE_ID_HASH): Rewritten, using FT_POINTER_TO_ULONG.
+
 2002-10-22  Giuseppe Ghibò <ghibo@mandrakesoft.com>

 	* include/freetype/freetype.h (FT_Encoding): Fix entry for latin-2.
--- a/include/freetype/freetype.h
+++ b/include/freetype/freetype.h
@ -548,7 +548,7 @@ FT_BEGIN_HEADER
  /* <Values>                                                              */
  /*   ft_encoding_none    :: see @FT_ENCODING_NONE                        */
  /*   ft_encoding_unicode :: see @FT_ENCODING_UNICODE                     */
-  /*   ft_encoding_latin_2 :: see @FT_ENCODING_LATIN_2                     */
+  /*   ft_encoding_latin_2 :: see @FT_ENCODING_OLD_LATIN_2                 */
  /*   ft_encoding_symbol  :: see @FT_ENCODING_MS_SYMBOL                   */
  /*   ft_encoding_sjis    :: see @FT_ENCODING_MS_SJIS                     */
  /*   ft_encoding_gb2312  :: see @FT_ENCODING_MS_GB2312                   */
--- a/include/freetype/ftcache.h
+++ b/include/freetype/ftcache.h
@ -183,7 +183,11 @@ FT_BEGIN_HEADER
            (f1)->pix_width  == (f2)->pix_width  && \
            (f1)->pix_height == (f2)->pix_height )

-#define FTC_FACE_ID_HASH( i )  ((FT_UInt32)(FT_Pointer)( i ))
+#define FT_POINTER_TO_ULONG( p )  ((FT_ULong)(FT_Pointer)(p))
+
+#define FTC_FACE_ID_HASH( i )                              \
+          ((FT_UInt32)(( FT_POINTER_TO_ULONG( i ) >> 3 ) ^ \
+                       ( FT_POINTER_TO_ULONG( i ) << 7 ) ) )

 #define FTC_FONT_HASH( f )                              \
          (FT_UInt32)( FTC_FACE_ID_HASH((f)->face_id) ^ \