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-rw-r--r--src/cff/cffobjs.c134
1 files changed, 87 insertions, 47 deletions
diff --git a/src/cff/cffobjs.c b/src/cff/cffobjs.c
index bd56c4b..f8b07c3 100644
--- a/src/cff/cffobjs.c
+++ b/src/cff/cffobjs.c
@@ -4,7 +4,8 @@
/* */
/* OpenType objects manager (body). */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */
+/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, */
+/* 2010 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -24,8 +25,6 @@
#include FT_TRUETYPE_IDS_H
#include FT_TRUETYPE_TAGS_H
#include FT_INTERNAL_SFNT_H
-#include FT_SERVICE_POSTSCRIPT_CMAPS_H
-#include FT_INTERNAL_POSTSCRIPT_HINTS_H
#include "cffobjs.h"
#include "cffload.h"
#include "cffcmap.h"
@@ -58,7 +57,7 @@
{
CFF_Face face = (CFF_Face)size->root.face;
CFF_Font font = (CFF_Font)face->extra.data;
- PSHinter_Service pshinter = (PSHinter_Service)font->pshinter;
+ PSHinter_Service pshinter = font->pshinter;
FT_Module module;
@@ -349,7 +348,7 @@
{
CFF_Face face = (CFF_Face)slot->face;
CFF_Font font = (CFF_Font)face->extra.data;
- PSHinter_Service pshinter = (PSHinter_Service)font->pshinter;
+ PSHinter_Service pshinter = font->pshinter;
if ( pshinter )
@@ -395,6 +394,41 @@
}
+ /* Strip all subset prefixes of the form `ABCDEF+'. Usually, there */
+ /* is only one, but font names like `APCOOG+JFABTD+FuturaBQ-Bold' */
+ /* have been seen in the wild. */
+
+ static void
+ remove_subset_prefix( FT_String* name )
+ {
+ FT_Int32 idx = 0;
+ FT_Int32 length = strlen( name ) + 1;
+ FT_Bool continue_search = 1;
+
+
+ while ( continue_search )
+ {
+ if ( length >= 7 && name[6] == '+' )
+ {
+ for ( idx = 0; idx < 6; idx++ )
+ {
+ /* ASCII uppercase letters */
+ if ( !( 'A' <= name[idx] && name[idx] <= 'Z' ) )
+ continue_search = 0;
+ }
+
+ if ( continue_search )
+ {
+ for ( idx = 7; idx < length; idx++ )
+ name[idx - 7] = name[idx];
+ }
+ }
+ else
+ continue_search = 0;
+ }
+ }
+
+
FT_LOCAL_DEF( FT_Error )
cff_face_init( FT_Stream stream,
FT_Face cffface, /* CFF_Face */
@@ -412,14 +446,6 @@
FT_Library library = cffface->driver->root.library;
-#if 0
- FT_FACE_FIND_GLOBAL_SERVICE( face, sfnt, SFNT );
- FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_NAMES );
- FT_FACE_FIND_GLOBAL_SERVICE( face, pshinter, POSTSCRIPT_HINTER );
-
- if ( !sfnt )
- goto Bad_Format;
-#else
sfnt = (SFNT_Service)FT_Get_Module_Interface(
library, "sfnt" );
if ( !sfnt )
@@ -429,7 +455,6 @@
pshinter = (PSHinter_Service)FT_Get_Module_Interface(
library, "pshinter" );
-#endif
/* create input stream from resource */
if ( FT_STREAM_SEEK( 0 ) )
@@ -514,7 +539,7 @@
goto Exit;
cff->pshinter = pshinter;
- cff->psnames = (void*)psnames;
+ cff->psnames = psnames;
cffface->face_index = face_index;
@@ -678,24 +703,22 @@
(FT_Short)( dict->underline_thickness >> 16 );
/* retrieve font family & style name */
- cffface->family_name = cff_index_get_name( &cff->name_index,
- face_index );
-
+ cffface->family_name = cff_index_get_name( cff, face_index );
if ( cffface->family_name )
{
- char* full = cff_index_get_sid_string( &cff->string_index,
- dict->full_name,
- psnames );
+ char* full = cff_index_get_sid_string( cff,
+ dict->full_name );
char* fullp = full;
char* family = cffface->family_name;
- char* family_name = 0;
+ char* family_name = NULL;
+ remove_subset_prefix( cffface->family_name );
+
if ( dict->family_name )
{
- family_name = cff_index_get_sid_string( &cff->string_index,
- dict->family_name,
- psnames);
+ family_name = cff_index_get_sid_string( cff,
+ dict->family_name );
if ( family_name )
family = family_name;
}
@@ -738,23 +761,18 @@
}
break;
}
-
- if ( family_name )
- FT_FREE( family_name );
- FT_FREE( full );
}
}
else
{
char *cid_font_name =
- cff_index_get_sid_string( &cff->string_index,
- dict->cid_font_name,
- psnames );
+ cff_index_get_sid_string( cff,
+ dict->cid_font_name );
/* do we have a `/FontName' for a CID-keyed font? */
if ( cid_font_name )
- cffface->family_name = cid_font_name;
+ cffface->family_name = cff_strcpy( memory, cid_font_name );
}
if ( style_name )
@@ -797,16 +815,14 @@
flags |= FT_STYLE_FLAG_ITALIC;
{
- char *weight = cff_index_get_sid_string( &cff->string_index,
- dict->weight,
- psnames );
+ char *weight = cff_index_get_sid_string( cff,
+ dict->weight );
if ( weight )
if ( !ft_strcmp( weight, "Bold" ) ||
!ft_strcmp( weight, "Black" ) )
flags |= FT_STYLE_FLAG_BOLD;
- FT_FREE( weight );
}
/* double check */
@@ -849,13 +865,14 @@
{
cmap = cffface->charmaps[nn];
- /* Windows Unicode (3,1)? */
- if ( cmap->platform_id == 3 && cmap->encoding_id == 1 )
+ /* Windows Unicode? */
+ if ( cmap->platform_id == TT_PLATFORM_MICROSOFT &&
+ cmap->encoding_id == TT_MS_ID_UNICODE_CS )
goto Skip_Unicode;
- /* Deprecated Unicode platform id? */
- if ( cmap->platform_id == 0 )
- goto Skip_Unicode; /* Standard Unicode (deprecated) */
+ /* Apple Unicode platform id? */
+ if ( cmap->platform_id == TT_PLATFORM_APPLE_UNICODE )
+ goto Skip_Unicode; /* Apple Unicode */
}
/* since CID-keyed fonts don't contain glyph names, we can't */
@@ -863,28 +880,51 @@
if ( pure_cff && cff->top_font.font_dict.cid_registry != 0xFFFFU )
goto Exit;
+#ifdef FT_MAX_CHARMAP_CACHEABLE
+ if ( nn + 1 > FT_MAX_CHARMAP_CACHEABLE )
+ {
+ FT_ERROR(( "cff_face_init: no Unicode cmap is found, "
+ "and too many subtables (%d) to add synthesized cmap\n",
+ nn ));
+ goto Exit;
+ }
+#endif
+
/* we didn't find a Unicode charmap -- synthesize one */
cmaprec.face = cffface;
- cmaprec.platform_id = 3;
- cmaprec.encoding_id = 1;
+ cmaprec.platform_id = TT_PLATFORM_MICROSOFT;
+ cmaprec.encoding_id = TT_MS_ID_UNICODE_CS;
cmaprec.encoding = FT_ENCODING_UNICODE;
nn = (FT_UInt)cffface->num_charmaps;
- FT_CMap_New( &FT_CFF_CMAP_UNICODE_CLASS_REC_GET, NULL, &cmaprec, NULL );
+ error = FT_CMap_New( &FT_CFF_CMAP_UNICODE_CLASS_REC_GET, NULL,
+ &cmaprec, NULL );
+ if ( error && FT_Err_No_Unicode_Glyph_Name != error )
+ goto Exit;
+ error = FT_Err_Ok;
/* if no Unicode charmap was previously selected, select this one */
if ( cffface->charmap == NULL && nn != (FT_UInt)cffface->num_charmaps )
cffface->charmap = cffface->charmaps[nn];
Skip_Unicode:
+#ifdef FT_MAX_CHARMAP_CACHEABLE
+ if ( nn > FT_MAX_CHARMAP_CACHEABLE )
+ {
+ FT_ERROR(( "cff_face_init: Unicode cmap is found, "
+ "but too many preceding subtables (%d) to access\n",
+ nn - 1 ));
+ goto Exit;
+ }
+#endif
if ( encoding->count > 0 )
{
FT_CMap_Class clazz;
cmaprec.face = cffface;
- cmaprec.platform_id = 7; /* Adobe platform id */
+ cmaprec.platform_id = TT_PLATFORM_ADOBE; /* Adobe platform id */
if ( encoding->offset == 0 )
{
@@ -905,7 +945,7 @@
clazz = &FT_CFF_CMAP_ENCODING_CLASS_REC_GET;
}
- FT_CMap_New( clazz, NULL, &cmaprec, NULL );
+ error = FT_CMap_New( clazz, NULL, &cmaprec, NULL );
}
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 09:18:09 +0000