Updating to OpenType 1.3.
* include/freetype/internal/tttypes.h (TT_CMap0, TT_CMap2, TT_CMap4,
TT_CMap6): Adding field `language'.
(TT_CMapTable): Removing field `language'.
Type of `length' field changed to FT_ULong.
Adding fields for cmaps format 8, 10, and 12.
(TT_CMapGroup): New auxiliary structure.
(TT_CMap8_12, TT_CMap10): New structures.
* include/freetype/tttables.h (TT_HoriHeader, TT_VertHeader):
Removed last element of `Reserved' array.
* include/freetype/ttnameid.h (TT_PLATFORM_CUSTOM, TT_MS_ID_UCS_4,
TT_NAME_ID_CID_FINDFONT_NAME): New macros.
* src/sfnt/ttcmap.c (TT_CharMap_Load): Updated loading of `language'
field to the new structures.
Fixed freeing of arrays in case of unsuccessful loads.
Added support for loading format 8, 10, and 12 cmaps.
(TT_CharMap_Free): Added support for freeing format 8, 10, and 12
cmaps.
(code_to_index4): Small improvement.
(code_to_index6): Ditto.
(code_to_index8_12, code_to_index10): New functions.
* src/sfnt/ttload.c (TT_Load_Metrics_Header): Updated to new
structure.
(TT_Load_CMap): Ditto.
* src/sfnt/sfobjs.c (tt_encodings): Add MS UCS4 table (before MS
Unicode).
* src/type1/t1driver.c (t1_get_name_index): Fix compiler warning.
diff --git a/ChangeLog b/ChangeLog
index 689616c..0b49557 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,39 @@
+2001-08-12 Werner Lemberg <wl@gnu.org>
+
+ Updating to OpenType 1.3.
+
+ * include/freetype/internal/tttypes.h (TT_CMap0, TT_CMap2, TT_CMap4,
+ TT_CMap6): Adding field `language'.
+ (TT_CMapTable): Removing field `language'.
+ Type of `length' field changed to FT_ULong.
+ Adding fields for cmaps format 8, 10, and 12.
+ (TT_CMapGroup): New auxiliary structure.
+ (TT_CMap8_12, TT_CMap10): New structures.
+ * include/freetype/tttables.h (TT_HoriHeader, TT_VertHeader):
+ Removed last element of `Reserved' array.
+ * include/freetype/ttnameid.h (TT_PLATFORM_CUSTOM, TT_MS_ID_UCS_4,
+ TT_NAME_ID_CID_FINDFONT_NAME): New macros.
+
+ * src/sfnt/ttcmap.c (TT_CharMap_Load): Updated loading of `language'
+ field to the new structures.
+ Fixed freeing of arrays in case of unsuccessful loads.
+ Added support for loading format 8, 10, and 12 cmaps.
+ (TT_CharMap_Free): Added support for freeing format 8, 10, and 12
+ cmaps.
+ (code_to_index4): Small improvement.
+ (code_to_index6): Ditto.
+ (code_to_index8_12, code_to_index10): New functions.
+ * src/sfnt/ttload.c (TT_Load_Metrics_Header): Updated to new
+ structure.
+ (TT_Load_CMap): Ditto.
+
+ * src/sfnt/sfobjs.c (tt_encodings): Add MS UCS4 table (before MS
+ Unicode).
+
+2001-08-11 Werner Lemberg <wl@gnu.org>
+
+ * src/type1/t1driver.c (t1_get_name_index): Fix compiler warning.
+
2001-08-09 Tom Kacvinsky <tjk@ams.org>
* src/cff/cffdrivr.c (get_cff_glyph_name): Renamed to
diff --git a/include/freetype/freetype.h b/include/freetype/freetype.h
index 3c65a98..eb5a595 100644
--- a/include/freetype/freetype.h
+++ b/include/freetype/freetype.h
@@ -2376,7 +2376,7 @@
/* */
FT_EXPORT( FT_UInt )
FT_Get_Name_Index( FT_Face face,
- FT_String* glyph_name);
+ FT_String* glyph_name );
diff --git a/include/freetype/internal/tttypes.h b/include/freetype/internal/tttypes.h
index bcaeebf..5014e22 100644
--- a/include/freetype/internal/tttypes.h
+++ b/include/freetype/internal/tttypes.h
@@ -922,6 +922,8 @@
typedef struct TT_CMap0_
{
+ FT_ULong language; /* for Mac fonts (originally ushort) */
+
FT_Byte* glyphIdArray;
} TT_CMap0;
@@ -941,6 +943,8 @@
typedef struct TT_CMap2_
{
+ FT_ULong language; /* for Mac fonts (originally ushort) */
+
FT_UShort* subHeaderKeys;
/* high byte mapping table */
/* value = subHeader index * 8 */
@@ -966,14 +970,16 @@
typedef struct TT_CMap4_
{
- FT_UShort segCountX2; /* number of segments * 2 */
- FT_UShort searchRange; /* these parameters can be used */
- FT_UShort entrySelector; /* for a binary search */
+ FT_ULong language; /* for Mac fonts (originally ushort) */
+
+ FT_UShort segCountX2; /* number of segments * 2 */
+ FT_UShort searchRange; /* these parameters can be used */
+ FT_UShort entrySelector; /* for a binary search */
FT_UShort rangeShift;
TT_CMap4Segment* segments;
FT_UShort* glyphIdArray;
- FT_UShort numGlyphId; /* control value */
+ FT_UShort numGlyphId; /* control value */
TT_CMap4Segment* last_segment; /* last used segment; this is a small */
/* cache to potentially increase speed */
@@ -984,6 +990,8 @@
typedef struct TT_CMap6_
{
+ FT_ULong language; /* for Mac fonts (originally ushort) */
+
FT_UShort firstCode; /* first character code of subrange */
FT_UShort entryCount; /* number of character codes in subrange */
@@ -992,6 +1000,48 @@
} TT_CMap6;
+ /* auxiliary table for format 8 and 12 */
+
+ typedef struct TT_CMapGroup_
+ {
+ FT_ULong startCharCode;
+ FT_ULong endCharCode;
+ FT_ULong startGlyphID;
+
+ } TT_CMapGroup;
+
+
+ /* FreeType handles format 8 and 12 identically. It is not necessary to
+ cover mixed 16bit and 32bit codes since FreeType always uses FT_ULong
+ for input character codes -- converting Unicode surrogates to 32bit
+ character codes must be done by the application. */
+
+ typedef struct TT_CMap8_12_
+ {
+ FT_ULong language; /* for Mac fonts */
+
+ FT_ULong nGroups;
+ TT_CMapGroup* groups;
+
+ TT_CMapGroup* last_group; /* last used group; this is a small */
+ /* cache to potentially increase speed */
+ } TT_CMap8_12;
+
+
+ /* format 10 */
+
+ typedef struct TT_CMap10_
+ {
+ FT_ULong language; /* for Mac fonts */
+
+ FT_ULong startCharCode; /* first character covered */
+ FT_ULong numChars; /* number of characters covered */
+
+ FT_UShort* glyphs;
+
+ } TT_CMap10;
+
+
typedef struct TT_CMapTable_ TT_CMapTable;
@@ -1006,18 +1056,19 @@
FT_UShort platformID;
FT_UShort platformEncodingID;
FT_UShort format;
- FT_UShort length;
- FT_UShort version;
+ FT_ULong length; /* must be ulong for formats 8, 10, and 12 */
FT_Bool loaded;
FT_ULong offset;
union
{
- TT_CMap0 cmap0;
- TT_CMap2 cmap2;
- TT_CMap4 cmap4;
- TT_CMap6 cmap6;
+ TT_CMap0 cmap0;
+ TT_CMap2 cmap2;
+ TT_CMap4 cmap4;
+ TT_CMap6 cmap6;
+ TT_CMap8_12 cmap8_12;
+ TT_CMap10 cmap10;
} c;
TT_CharMap_Func get_index;
diff --git a/include/freetype/ttnameid.h b/include/freetype/ttnameid.h
index 8646192..10ea50d 100644
--- a/include/freetype/ttnameid.h
+++ b/include/freetype/ttnameid.h
@@ -35,6 +35,7 @@
#define TT_PLATFORM_MACINTOSH 1
#define TT_PLATFORM_ISO 2 /* deprecated */
#define TT_PLATFORM_MICROSOFT 3
+#define TT_PLATFORM_CUSTOM 4
/* artificial values defined ad-hoc by FreeType */
#define TT_PLATFORM_ADOBE 7
@@ -46,7 +47,7 @@
/* the name records of the TTF `name' table if the `platform' identifier */
/* code is TT_PLATFORM_APPLE_UNICODE. */
/* */
-#define TT_APPLE_ID_DEFAULT 0
+#define TT_APPLE_ID_DEFAULT 0 /* Unicode 1.0 */
#define TT_APPLE_ID_UNICODE_1_1 1 /* specify Hangul at U+34xx */
#define TT_APPLE_ID_ISO_10646 2 /* deprecated */
#define TT_APPLE_ID_UNICODE_2_0 3 /* or later */
@@ -113,13 +114,14 @@
/* the name records of the TTF `name' table if the `platform' identifier */
/* code is TT_PLATFORM_MICROSOFT. */
/* */
-#define TT_MS_ID_SYMBOL_CS 0
-#define TT_MS_ID_UNICODE_CS 1
-#define TT_MS_ID_SJIS 2
-#define TT_MS_ID_GB2312 3
-#define TT_MS_ID_BIG_5 4
-#define TT_MS_ID_WANSUNG 5
-#define TT_MS_ID_JOHAB 6
+#define TT_MS_ID_SYMBOL_CS 0
+#define TT_MS_ID_UNICODE_CS 1
+#define TT_MS_ID_SJIS 2
+#define TT_MS_ID_GB2312 3
+#define TT_MS_ID_BIG_5 4
+#define TT_MS_ID_WANSUNG 5
+#define TT_MS_ID_JOHAB 6
+#define TT_MS_ID_UCS_4 10
/*************************************************************************/
@@ -551,6 +553,9 @@
/* The following code is new as of 2000-01-21 */
#define TT_NAME_ID_SAMPLE_TEXT 19
+/* This is new in OpenType 1.3 */
+#define TT_NAME_ID_CID_FINDFONT_NAME 20
+
/*************************************************************************/
/* */
diff --git a/include/freetype/tttables.h b/include/freetype/tttables.h
index d364256..d638a21 100644
--- a/include/freetype/tttables.h
+++ b/include/freetype/tttables.h
@@ -187,7 +187,7 @@
FT_Short caret_Slope_Run;
FT_Short caret_Offset;
- FT_Short Reserved[5];
+ FT_Short Reserved[4];
FT_Short metric_Data_Format;
FT_UShort number_Of_HMetrics;
@@ -271,7 +271,11 @@
/* caret_Slope_Run :: The run coefficient of the cursor's */
/* slope. */
/* */
- /* Reserved :: 10 reserved bytes. */
+ /* caret_Offset :: The cursor's offset for slanted fonts. */
+ /* This value is `reserved' in vmtx */
+ /* version 1.0. */
+ /* */
+ /* Reserved :: 8 reserved bytes. */
/* */
/* metric_Data_Format :: Always 0. */
/* */
@@ -309,7 +313,7 @@
FT_Short caret_Slope_Run;
FT_Short caret_Offset;
- FT_Short Reserved[5];
+ FT_Short Reserved[4];
FT_Short metric_Data_Format;
FT_UShort number_Of_VMetrics;
diff --git a/src/base/ftobjs.c b/src/base/ftobjs.c
index c7454a5..b41562a 100644
--- a/src/base/ftobjs.c
+++ b/src/base/ftobjs.c
@@ -1847,8 +1847,8 @@
if ( face && FT_HAS_GLYPH_NAMES( face ) )
{
/* now, lookup for glyph name */
- FT_Driver driver = face->driver;
- FT_Module_Class* clazz = FT_MODULE_CLASS( driver );
+ FT_Driver driver = face->driver;
+ FT_Module_Class* clazz = FT_MODULE_CLASS( driver );
if ( clazz->get_interface )
diff --git a/src/cff/cffdrivr.c b/src/cff/cffdrivr.c
index 76f04ab..c8270f8 100644
--- a/src/cff/cffdrivr.c
+++ b/src/cff/cffdrivr.c
@@ -328,6 +328,7 @@
/* */
/* <Input> */
/* face :: A handle to the source face object. */
+ /* */
/* glyph_name :: The glyph name. */
/* */
/* <Return> */
@@ -337,14 +338,15 @@
cff_get_name_index( CFF_Face face,
FT_String* glyph_name )
{
- CFF_Font* cff;
- CFF_Charset* charset;
- PSNames_Interface* psnames;
- FT_String* name;
- FT_UShort sid;
- FT_UInt i;
+ CFF_Font* cff;
+ CFF_Charset* charset;
+ PSNames_Interface* psnames;
+ FT_String* name;
+ FT_UShort sid;
+ FT_UInt i;
- cff = face->extra.data;
+
+ cff = face->extra.data;
charset = &cff->charset;
psnames = (PSNames_Interface*)FT_Get_Module_Interface(
@@ -354,7 +356,7 @@
{
sid = charset->sids[i];
- if (sid > 390)
+ if ( sid > 390 )
name = CFF_Get_Name( &cff->string_index, sid - 391 );
else
name = (FT_String *)psnames->adobe_std_strings( sid );
@@ -366,6 +368,7 @@
return 0;
}
+
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
diff --git a/src/sfnt/sfobjs.c b/src/sfnt/sfobjs.c
index 36f1dc4..f4966be 100644
--- a/src/sfnt/sfobjs.c
+++ b/src/sfnt/sfobjs.c
@@ -150,6 +150,7 @@
{ TT_PLATFORM_MACINTOSH, TT_MAC_ID_ROMAN, ft_encoding_apple_roman },
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_SYMBOL_CS, ft_encoding_symbol },
+ { TT_PLATFORM_MICROSOFT, TT_MS_ID_UCS_4, ft_encoding_unicode },
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_UNICODE_CS, ft_encoding_unicode },
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_SJIS, ft_encoding_sjis },
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_GB2312, ft_encoding_gb2312 },
diff --git a/src/sfnt/ttcmap.c b/src/sfnt/ttcmap.c
index d1f6d92..64dd3bb 100644
--- a/src/sfnt/ttcmap.c
+++ b/src/sfnt/ttcmap.c
@@ -50,6 +50,14 @@
code_to_index6( TT_CMapTable* charmap,
FT_ULong char_code );
+ FT_CALLBACK_DEF( FT_UInt )
+ code_to_index8_12( TT_CMapTable* charmap,
+ FT_ULong char_code );
+
+ FT_CALLBACK_DEF( FT_UInt )
+ code_to_index10( TT_CMapTable* charmap,
+ FT_ULong char_code );
+
/*************************************************************************/
/* */
@@ -79,19 +87,23 @@
TT_CMapTable* cmap,
FT_Stream stream )
{
- FT_Error error;
- FT_Memory memory;
- FT_UShort num_SH, num_Seg, i;
+ FT_Error error;
+ FT_Memory memory;
+ FT_UShort num_SH, num_Seg, i;
+ FT_ULong j, n;
- FT_UShort u, l;
+ FT_UShort u, l;
- TT_CMap0* cmap0;
- TT_CMap2* cmap2;
- TT_CMap4* cmap4;
- TT_CMap6* cmap6;
+ TT_CMap0* cmap0;
+ TT_CMap2* cmap2;
+ TT_CMap4* cmap4;
+ TT_CMap6* cmap6;
+ TT_CMap8_12* cmap8_12;
+ TT_CMap10* cmap10;
TT_CMap2SubHeader* cmap2sub;
TT_CMap4Segment* segments;
+ TT_CMapGroup* groups;
if ( cmap->loaded )
@@ -107,9 +119,10 @@
case 0:
cmap0 = &cmap->c.cmap0;
- if ( ALLOC( cmap0->glyphIdArray, 256L ) ||
+ if ( READ_UShort( cmap0->language ) ||
+ ALLOC( cmap0->glyphIdArray, 256L ) ||
FILE_Read( cmap0->glyphIdArray, 256L ) )
- goto Fail;
+ goto Fail;
cmap->get_index = code_to_index0;
break;
@@ -121,9 +134,11 @@
/* allocate subheader keys */
if ( ALLOC_ARRAY( cmap2->subHeaderKeys, 256, FT_UShort ) ||
- ACCESS_Frame( 512L ) )
+ ACCESS_Frame( 2L + 512L ) )
goto Fail;
+ cmap2->language = GET_UShort();
+
for ( i = 0; i < 256; i++ )
{
u = (FT_UShort)( GET_UShort() / 8 );
@@ -144,7 +159,10 @@
num_SH + 1,
TT_CMap2SubHeader ) ||
ACCESS_Frame( ( num_SH + 1 ) * 8L ) )
+ {
+ FREE( cmap2->subHeaderKeys );
goto Fail;
+ }
cmap2sub = cmap2->subHeaders;
@@ -166,7 +184,11 @@
if ( ALLOC_ARRAY( cmap2->glyphIdArray, l, FT_UShort ) ||
ACCESS_Frame( l * 2L ) )
+ {
+ FREE( cmap2->subHeaders );
+ FREE( cmap2->subHeaderKeys );
goto Fail;
+ }
for ( i = 0; i < l; i++ )
cmap2->glyphIdArray[i] = GET_UShort();
@@ -181,9 +203,10 @@
/* load header */
- if ( ACCESS_Frame( 8L ) )
+ if ( ACCESS_Frame( 10L ) )
goto Fail;
+ cmap4->language = GET_UShort();
cmap4->segCountX2 = GET_UShort();
cmap4->searchRange = GET_UShort();
cmap4->entrySelector = GET_UShort();
@@ -226,24 +249,28 @@
if ( ALLOC_ARRAY( cmap4->glyphIdArray, l, FT_UShort ) ||
ACCESS_Frame( l * 2L ) )
+ {
+ FREE( cmap4->segments );
goto Fail;
+ }
for ( i = 0; i < l; i++ )
cmap4->glyphIdArray[i] = GET_UShort();
FORGET_Frame();
- cmap->get_index = code_to_index4;
-
cmap4->last_segment = cmap4->segments;
+
+ cmap->get_index = code_to_index4;
break;
case 6:
cmap6 = &cmap->c.cmap6;
- if ( ACCESS_Frame( 4L ) )
+ if ( ACCESS_Frame( 6L ) )
goto Fail;
+ cmap6->language = GET_UShort();
cmap6->firstCode = GET_UShort();
cmap6->entryCount = GET_UShort();
@@ -251,10 +278,8 @@
l = cmap6->entryCount;
- if ( ALLOC_ARRAY( cmap6->glyphIdArray,
- cmap6->entryCount,
- FT_Short ) ||
- ACCESS_Frame( l * 2L ) )
+ if ( ALLOC_ARRAY( cmap6->glyphIdArray, l, FT_Short ) ||
+ ACCESS_Frame( l * 2L ) )
goto Fail;
for ( i = 0; i < l; i++ )
@@ -264,6 +289,73 @@
cmap->get_index = code_to_index6;
break;
+ case 8:
+ case 12:
+ cmap8_12 = &cmap->c.cmap8_12;
+
+ if ( ACCESS_Frame( 8L ) )
+ goto Fail;
+
+ cmap->length = GET_ULong();
+ cmap8_12->language = GET_ULong();
+
+ FORGET_Frame();
+
+ if ( cmap->format == 8 )
+ if ( FILE_Skip( 8192L ) )
+ goto Fail;
+
+ if ( READ_ULong( cmap8_12->nGroups ) )
+ goto Fail;
+
+ n = cmap8_12->nGroups;
+
+ if ( ALLOC_ARRAY( cmap8_12->groups, n, TT_CMapGroup ) ||
+ ACCESS_Frame( n * 3 * 4L ) )
+ goto Fail;
+
+ groups = cmap8_12->groups;
+
+ for ( j = 0; j < n; j++ )
+ {
+ groups[j].startCharCode = GET_ULong();
+ groups[j].endCharCode = GET_ULong();
+ groups[j].startGlyphID = GET_ULong();
+ }
+
+ FORGET_Frame();
+
+ cmap8_12->last_group = cmap8_12->groups;
+
+ cmap->get_index = code_to_index8_12;
+ break;
+
+ case 10:
+ cmap10 = &cmap->c.cmap10;
+
+ if ( ACCESS_Frame( 16L ) )
+ goto Fail;
+
+ cmap->length = GET_ULong();
+ cmap10->language = GET_ULong();
+ cmap10->startCharCode = GET_ULong();
+ cmap10->numChars = GET_ULong();
+
+ FORGET_Frame();
+
+ n = cmap10->numChars;
+
+ if ( ALLOC_ARRAY( cmap10->glyphs, n, FT_Short ) ||
+ ACCESS_Frame( n * 2L ) )
+ goto Fail;
+
+ for ( j = 0; j < n; j++ )
+ cmap10->glyphs[j] = GET_UShort();
+
+ FORGET_Frame();
+ cmap->get_index = code_to_index10;
+ break;
+
default: /* corrupt character mapping table */
return SFNT_Err_Invalid_CharMap_Format;
@@ -327,6 +419,17 @@
cmap->c.cmap6.entryCount = 0;
break;
+ case 8:
+ case 12:
+ FREE( cmap->c.cmap8_12.groups );
+ cmap->c.cmap8_12.nGroups = 0;
+ break;
+
+ case 10:
+ FREE( cmap->c.cmap10.glyphs );
+ cmap->c.cmap10.numChars = 0;
+ break;
+
default:
/* invalid table format, do nothing */
;
@@ -456,23 +559,23 @@
cmap4 = &cmap->c.cmap4;
result = 0;
segCount = cmap4->segCountX2 / 2;
- seg4 = cmap4->segments;
- limit = seg4 + segCount;
+ limit = cmap4->segments + segCount;
- /* check against the last segment */
+ /* first, check against the last used segment */
+
seg4 = cmap4->last_segment;
/* the following is equivalent to performing two tests, as in */
/* */
/* if ( charCode >= seg4->startCount && charCode <= seg4->endCount ) */
/* */
- /* Yes, that's a bit strange, but it's faster, and the idea behind */
- /* the cache is to significantly speed up charcode to glyph index */
+ /* This is a bit strange, but it is faster, and the idea behind the */
+ /* cache is to significantly speed up charcode to glyph index */
/* conversion. */
- if ( (FT_ULong)(charCode - seg4->startCount) <
- (FT_ULong)(seg4->endCount - seg4->startCount) )
- goto Found;
+ if ( (FT_ULong)( charCode - seg4->startCount ) <
+ (FT_ULong)( seg4->endCount - seg4->startCount ) )
+ goto Found1;
for ( seg4 = cmap4->segments; seg4 < limit; seg4++ )
{
@@ -487,9 +590,10 @@
}
return 0;
- Found:
+ Found:
cmap4->last_segment = seg4;
+ Found1:
/* if the idRangeOffset is 0, we can compute the glyph index */
/* directly */
@@ -503,8 +607,8 @@
+ ( seg4 - cmap4->segments )
- segCount );
- if ( index1 < (FT_UInt)cmap4->numGlyphId &&
- cmap4->glyphIdArray[index1] != 0 )
+ if ( index1 < (FT_UInt)cmap4->numGlyphId &&
+ cmap4->glyphIdArray[index1] != 0 )
result = ( cmap4->glyphIdArray[index1] + seg4->idDelta ) & 0xFFFF;
}
@@ -536,11 +640,113 @@
cmap6 = &cmap->c.cmap6;
- result = 0;
charCode -= cmap6->firstCode;
if ( charCode < (FT_UInt)cmap6->entryCount )
- result = cmap6->glyphIdArray[charCode];
+ result = cmap6->glyphIdArray[charCode];
+
+ return result;
+ }
+
+
+ /*************************************************************************/
+ /* */
+ /* <Function> */
+ /* code_to_index8_12 */
+ /* */
+ /* <Description> */
+ /* Converts the (possibly 32bit) character code into a glyph index. */
+ /* Uses format 8 or 12. */
+ /* */
+ /* <Input> */
+ /* charCode :: The wanted character code. */
+ /* cmap8_12 :: A pointer to a cmap table in format 8 or 12. */
+ /* */
+ /* <Return> */
+ /* Glyph index into the glyphs array. 0 if the glyph does not exist. */
+ /* */
+ FT_CALLBACK_DEF( FT_UInt )
+ code_to_index8_12( TT_CMapTable* cmap,
+ FT_ULong charCode )
+ {
+ TT_CMap8_12* cmap8_12;
+ TT_CMapGroup *group, *limit;
+
+
+ cmap8_12 = &cmap->c.cmap8_12;
+ limit = cmap8_12->groups + cmap8_12->nGroups;
+
+ /* first, check against the last used group */
+
+ group = cmap8_12->last_group;
+
+ /* the following is equivalent to performing two tests, as in */
+ /* */
+ /* if ( charCode >= group->startCharCode && */
+ /* charCode <= group->endCharCode ) */
+ /* */
+ /* This is a bit strange, but it is faster, and the idea behind the */
+ /* cache is to significantly speed up charcode to glyph index */
+ /* conversion. */
+
+ if ( (FT_ULong)( charCode - group->startCharCode ) <
+ (FT_ULong)( group->endCharCode - group->startCharCode ) )
+ goto Found1;
+
+ for ( group = cmap8_12->groups; group < limit; group++ )
+ {
+ /* the ranges are sorted in increasing order. If we are out of */
+ /* the range here, the char code isn't in the charmap, so exit. */
+
+ if ( charCode > group->endCharCode )
+ continue;
+
+ if ( charCode >= group->startCharCode )
+ goto Found;
+ }
+ return 0;
+
+ Found:
+ cmap8_12->last_group = group;
+
+ Found1:
+ return group->startGlyphID + (FT_UInt)( charCode - group->startCharCode );
+ }
+
+
+ /*************************************************************************/
+ /* */
+ /* <Function> */
+ /* code_to_index10 */
+ /* */
+ /* <Description> */
+ /* Converts the (possibly 32bit) character code into a glyph index. */
+ /* Uses format 10. */
+ /* */
+ /* <Input> */
+ /* charCode :: The wanted character code. */
+ /* cmap10 :: A pointer to a cmap table in format 10. */
+ /* */
+ /* <Return> */
+ /* Glyph index into the glyphs array. 0 if the glyph does not exist. */
+ /* */
+ FT_CALLBACK_DEF( FT_UInt )
+ code_to_index10( TT_CMapTable* cmap,
+ FT_ULong charCode )
+ {
+ TT_CMap10* cmap10;
+ FT_UInt result = 0;
+
+
+ cmap10 = &cmap->c.cmap10;
+ charCode -= cmap10->startCharCode;
+
+ /* the overflow trick for comparison works here also since the number */
+ /* of glyphs (even if numChars is specified as ULong in the specs) in */
+ /* an OpenType font is limited to 64k */
+
+ if ( charCode < cmap10->numChars )
+ result = cmap10->glyphs[charCode];
return result;
}
diff --git a/src/sfnt/ttload.c b/src/sfnt/ttload.c
index ab55342..6946636 100644
--- a/src/sfnt/ttload.c
+++ b/src/sfnt/ttload.c
@@ -840,11 +840,11 @@
FT_FRAME_SHORT ( xMax_Extent ),
FT_FRAME_SHORT ( caret_Slope_Rise ),
FT_FRAME_SHORT ( caret_Slope_Run ),
+ FT_FRAME_SHORT ( caret_Offset ),
FT_FRAME_SHORT ( Reserved[0] ),
FT_FRAME_SHORT ( Reserved[1] ),
FT_FRAME_SHORT ( Reserved[2] ),
FT_FRAME_SHORT ( Reserved[3] ),
- FT_FRAME_SHORT ( Reserved[4] ),
FT_FRAME_SHORT ( metric_Data_Format ),
FT_FRAME_USHORT( number_Of_HMetrics ),
FT_FRAME_END
@@ -1144,7 +1144,6 @@
FT_FRAME_START( 6 ),
FT_FRAME_USHORT( format ),
FT_FRAME_USHORT( length ),
- FT_FRAME_USHORT( version ),
FT_FRAME_END
};
diff --git a/src/type1/t1driver.c b/src/type1/t1driver.c
index fbde5ec..40a1d38 100644
--- a/src/type1/t1driver.c
+++ b/src/type1/t1driver.c
@@ -70,6 +70,7 @@
return T1_Err_Ok;
}
+
/*************************************************************************/
/* */
/* <Function> */
@@ -81,6 +82,7 @@
/* */
/* <Input> */
/* face :: A handle to the source face object. */
+ /* */
/* glyph_name :: The glyph name. */
/* */
/* <Return> */
@@ -90,15 +92,16 @@
t1_get_name_index( T1_Face face,
FT_String* glyph_name )
{
- FT_UInt i;
+ FT_Int i;
FT_String* gname;
+
for ( i = 0; i < face->type1.num_glyphs; i++ )
{
gname = face->type1.glyph_names[i];
if ( !strcmp( glyph_name, gname ) )
- return i;
+ return (FT_UInt)i;
}
return 0;