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authorscuri <scuri>2009-10-20 17:20:18 +0000
committerscuri <scuri>2009-10-20 17:20:18 +0000
commit27a4f9c4ac45ff65f941964f7351b64b1e6a9f35 (patch)
tree2f68c5d9ce5bf6cbc320ac17aef0a65a3ceb99a1 /src/freetype2/sfnt
parent2b70507615b2611fce4294c65bec7264644e2665 (diff)
*** empty log message ***
Diffstat (limited to 'src/freetype2/sfnt')
-rw-r--r--src/freetype2/sfnt/sfdriver.c215
-rw-r--r--src/freetype2/sfnt/sfdriver.h2
-rw-r--r--src/freetype2/sfnt/sfnt.c1
-rw-r--r--src/freetype2/sfnt/sfntpic.c101
-rw-r--r--src/freetype2/sfnt/sfntpic.h88
-rw-r--r--src/freetype2/sfnt/sfobjs.c292
-rw-r--r--src/freetype2/sfnt/ttbdf.c16
-rw-r--r--src/freetype2/sfnt/ttcmap.c1437
-rw-r--r--src/freetype2/sfnt/ttcmap.h40
-rw-r--r--src/freetype2/sfnt/ttcmapc.h55
-rw-r--r--src/freetype2/sfnt/ttkern.c42
-rw-r--r--src/freetype2/sfnt/ttload.c197
-rw-r--r--src/freetype2/sfnt/ttmtx.c21
-rw-r--r--src/freetype2/sfnt/ttpost.c16
-rw-r--r--src/freetype2/sfnt/ttsbit.c30
-rw-r--r--src/freetype2/sfnt/ttsbit.h4
-rw-r--r--src/freetype2/sfnt/ttsbit0.c179
17 files changed, 2190 insertions, 546 deletions
diff --git a/src/freetype2/sfnt/sfdriver.c b/src/freetype2/sfnt/sfdriver.c
index 5ba22a6..1d157b7 100644
--- a/src/freetype2/sfnt/sfdriver.c
+++ b/src/freetype2/sfnt/sfdriver.c
@@ -4,7 +4,7 @@
/* */
/* High-level SFNT driver interface (body). */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007 by */
+/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -17,12 +17,14 @@
#include <ft2build.h>
+#include FT_INTERNAL_DEBUG_H
#include FT_INTERNAL_SFNT_H
#include FT_INTERNAL_OBJECTS_H
#include "sfdriver.h"
#include "ttload.h"
#include "sfobjs.h"
+#include "sfntpic.h"
#include "sferrors.h"
@@ -48,6 +50,15 @@
#include FT_SERVICE_SFNT_H
#include FT_SERVICE_TT_CMAP_H
+ /*************************************************************************/
+ /* */
+ /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
+ /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
+ /* messages during execution. */
+ /* */
+#undef FT_COMPONENT
+#define FT_COMPONENT trace_sfdriver
+
/*
* SFNT TABLE SERVICE
@@ -103,27 +114,28 @@
sfnt_table_info( TT_Face face,
FT_UInt idx,
FT_ULong *tag,
+ FT_ULong *offset,
FT_ULong *length )
{
- if ( !tag || !length )
+ if ( !tag || !offset || !length )
return SFNT_Err_Invalid_Argument;
if ( idx >= face->num_tables )
return SFNT_Err_Table_Missing;
*tag = face->dir_tables[idx].Tag;
+ *offset = face->dir_tables[idx].Offset;
*length = face->dir_tables[idx].Length;
return SFNT_Err_Ok;
}
- static const FT_Service_SFNT_TableRec sfnt_service_sfnt_table =
- {
+ FT_DEFINE_SERVICE_SFNT_TABLEREC(sfnt_service_sfnt_table,
(FT_SFNT_TableLoadFunc)tt_face_load_any,
(FT_SFNT_TableGetFunc) get_sfnt_table,
(FT_SFNT_TableInfoFunc)sfnt_table_info
- };
+ )
#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
@@ -151,11 +163,43 @@
}
- static const FT_Service_GlyphDictRec sfnt_service_glyph_dict =
+ static FT_UInt
+ sfnt_get_name_index( TT_Face face,
+ FT_String* glyph_name )
{
+ FT_Face root = &face->root;
+ FT_UInt i, max_gid = FT_UINT_MAX;
+
+
+ if ( root->num_glyphs < 0 )
+ return 0;
+ else if ( ( FT_ULong ) root->num_glyphs < FT_UINT_MAX )
+ max_gid = ( FT_UInt ) root->num_glyphs;
+ else
+ FT_TRACE0(( "Ignore glyph names for invalid GID 0x%08x - 0x%08x\n",
+ FT_UINT_MAX, root->num_glyphs ));
+
+ for ( i = 0; i < max_gid; i++ )
+ {
+ FT_String* gname;
+ FT_Error error = tt_face_get_ps_name( face, i, &gname );
+
+
+ if ( error )
+ continue;
+
+ if ( !ft_strcmp( glyph_name, gname ) )
+ return i;
+ }
+
+ return 0;
+ }
+
+
+ FT_DEFINE_SERVICE_GLYPHDICTREC(sfnt_service_glyph_dict,
(FT_GlyphDict_GetNameFunc) sfnt_get_glyph_name,
- (FT_GlyphDict_NameIndexFunc)NULL
- };
+ (FT_GlyphDict_NameIndexFunc)sfnt_get_name_index
+ )
#endif /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */
@@ -275,19 +319,17 @@
return result;
}
- static const FT_Service_PsFontNameRec sfnt_service_ps_name =
- {
+ FT_DEFINE_SERVICE_PSFONTNAMEREC(sfnt_service_ps_name,
(FT_PsName_GetFunc)sfnt_get_ps_name
- };
+ )
/*
* TT CMAP INFO
*/
- static const FT_Service_TTCMapsRec tt_service_get_cmap_info =
- {
+ FT_DEFINE_SERVICE_TTCMAPSREC(tt_service_get_cmap_info,
(TT_CMap_Info_GetFunc)tt_get_cmap_info
- };
+ )
#ifdef TT_CONFIG_OPTION_BDF
@@ -328,11 +370,10 @@
}
- static const FT_Service_BDFRec sfnt_service_bdf =
- {
+ FT_DEFINE_SERVICE_BDFRec(sfnt_service_bdf,
(FT_BDF_GetCharsetIdFunc) sfnt_get_charset_id,
- (FT_BDF_GetPropertyFunc) tt_face_find_bdf_prop,
- };
+ (FT_BDF_GetPropertyFunc) tt_face_find_bdf_prop
+ )
#endif /* TT_CONFIG_OPTION_BDF */
@@ -341,29 +382,46 @@
* SERVICE LIST
*/
- static const FT_ServiceDescRec sfnt_services[] =
- {
- { FT_SERVICE_ID_SFNT_TABLE, &sfnt_service_sfnt_table },
- { FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &sfnt_service_ps_name },
-#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
- { FT_SERVICE_ID_GLYPH_DICT, &sfnt_service_glyph_dict },
-#endif
-#ifdef TT_CONFIG_OPTION_BDF
- { FT_SERVICE_ID_BDF, &sfnt_service_bdf },
+#if defined TT_CONFIG_OPTION_POSTSCRIPT_NAMES && defined TT_CONFIG_OPTION_BDF
+ FT_DEFINE_SERVICEDESCREC5(sfnt_services,
+ FT_SERVICE_ID_SFNT_TABLE, &FT_SFNT_SERVICE_SFNT_TABLE_GET,
+ FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &FT_SFNT_SERVICE_PS_NAME_GET,
+ FT_SERVICE_ID_GLYPH_DICT, &FT_SFNT_SERVICE_GLYPH_DICT_GET,
+ FT_SERVICE_ID_BDF, &FT_SFNT_SERVICE_BDF_GET,
+ FT_SERVICE_ID_TT_CMAP, &FT_TT_SERVICE_GET_CMAP_INFO_GET
+ )
+#elif defined TT_CONFIG_OPTION_POSTSCRIPT_NAMES
+ FT_DEFINE_SERVICEDESCREC4(sfnt_services,
+ FT_SERVICE_ID_SFNT_TABLE, &FT_SFNT_SERVICE_SFNT_TABLE_GET,
+ FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &FT_SFNT_SERVICE_PS_NAME_GET,
+ FT_SERVICE_ID_GLYPH_DICT, &FT_SFNT_SERVICE_GLYPH_DICT_GET,
+ FT_SERVICE_ID_TT_CMAP, &FT_TT_SERVICE_GET_CMAP_INFO_GET
+ )
+#elif defined TT_CONFIG_OPTION_BDF
+ FT_DEFINE_SERVICEDESCREC4(sfnt_services,
+ FT_SERVICE_ID_SFNT_TABLE, &FT_SFNT_SERVICE_SFNT_TABLE_GET,
+ FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &FT_SFNT_SERVICE_PS_NAME_GET,
+ FT_SERVICE_ID_BDF, &FT_SFNT_SERVICE_BDF_GET,
+ FT_SERVICE_ID_TT_CMAP, &FT_TT_SERVICE_GET_CMAP_INFO_GET
+ )
+#else
+ FT_DEFINE_SERVICEDESCREC3(sfnt_services,
+ FT_SERVICE_ID_SFNT_TABLE, &FT_SFNT_SERVICE_SFNT_TABLE_GET,
+ FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &FT_SFNT_SERVICE_PS_NAME_GET,
+ FT_SERVICE_ID_TT_CMAP, &FT_TT_SERVICE_GET_CMAP_INFO_GET
+ )
#endif
- { FT_SERVICE_ID_TT_CMAP, &tt_service_get_cmap_info },
-
- { NULL, NULL }
- };
FT_CALLBACK_DEF( FT_Module_Interface )
sfnt_get_interface( FT_Module module,
const char* module_interface )
{
+ FT_Library library = module->library;
+ FT_UNUSED(library);
FT_UNUSED( module );
- return ft_service_list_lookup( sfnt_services, module_interface );
+ return ft_service_list_lookup( FT_SFNT_SERVICES_GET, module_interface );
}
@@ -494,10 +552,18 @@
#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
+#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
+#define PUT_EMBEDDED_BITMAPS(a) a
+#else
+#define PUT_EMBEDDED_BITMAPS(a) 0
+#endif
+#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
+#define PUT_PS_NAMES(a) a
+#else
+#define PUT_PS_NAMES(a) 0
+#endif
- static
- const SFNT_Interface sfnt_interface =
- {
+ FT_DEFINE_SFNT_INTERFACE(sfnt_interface,
tt_face_goto_table,
sfnt_init_face,
@@ -507,10 +573,8 @@
tt_face_load_any,
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
- tt_face_load_sfnt_header_stub,
- tt_face_load_directory_stub,
-#endif
+ tt_face_load_sfnt_header_stub, /* FT_CONFIG_OPTION_OLD_INTERNALS */
+ tt_face_load_directory_stub, /* FT_CONFIG_OPTION_OLD_INTERNALS */
tt_face_load_head,
tt_face_load_hhea,
@@ -522,53 +586,32 @@
tt_face_load_name,
tt_face_free_name,
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
- tt_face_load_hdmx_stub,
- tt_face_free_hdmx_stub,
-#endif
+ tt_face_load_hdmx_stub, /* FT_CONFIG_OPTION_OLD_INTERNALS */
+ tt_face_free_hdmx_stub, /* FT_CONFIG_OPTION_OLD_INTERNALS */
tt_face_load_kern,
tt_face_load_gasp,
tt_face_load_pclt,
-#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
/* see `ttload.h' */
- tt_face_load_bhed,
-#else
- 0,
-#endif
+ PUT_EMBEDDED_BITMAPS(tt_face_load_bhed),
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
- tt_face_set_sbit_strike_stub,
- tt_face_load_sbit_stub,
+ tt_face_set_sbit_strike_stub, /* FT_CONFIG_OPTION_OLD_INTERNALS */
+ tt_face_load_sbit_stub, /* FT_CONFIG_OPTION_OLD_INTERNALS */
- tt_find_sbit_image,
- tt_load_sbit_metrics,
-#endif
+ tt_find_sbit_image, /* FT_CONFIG_OPTION_OLD_INTERNALS */
+ tt_load_sbit_metrics, /* FT_CONFIG_OPTION_OLD_INTERNALS */
-#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
- tt_face_load_sbit_image,
-#else
- 0,
-#endif
+ PUT_EMBEDDED_BITMAPS(tt_face_load_sbit_image),
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
- tt_face_free_sbit_stub,
-#endif
+ tt_face_free_sbit_stub, /* FT_CONFIG_OPTION_OLD_INTERNALS */
-#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
/* see `ttpost.h' */
- tt_face_get_ps_name,
- tt_face_free_ps_names,
-#else
- 0,
- 0,
-#endif
+ PUT_PS_NAMES(tt_face_get_ps_name),
+ PUT_PS_NAMES(tt_face_free_ps_names),
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
- tt_face_load_charmap_stub,
- tt_face_free_charmap_stub,
-#endif
+ tt_face_load_charmap_stub, /* FT_CONFIG_OPTION_OLD_INTERNALS */
+ tt_face_free_charmap_stub, /* FT_CONFIG_OPTION_OLD_INTERNALS */
/* since version 2.1.8 */
@@ -579,27 +622,19 @@
tt_face_load_font_dir,
tt_face_load_hmtx,
-#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
/* see `ttsbit.h' and `sfnt.h' */
- tt_face_load_eblc,
- tt_face_free_eblc,
+ PUT_EMBEDDED_BITMAPS(tt_face_load_eblc),
+ PUT_EMBEDDED_BITMAPS(tt_face_free_eblc),
- tt_face_set_sbit_strike,
- tt_face_load_strike_metrics,
-#else
- 0,
- 0,
- 0,
- 0,
-#endif
+ PUT_EMBEDDED_BITMAPS(tt_face_set_sbit_strike),
+ PUT_EMBEDDED_BITMAPS(tt_face_load_strike_metrics),
tt_face_get_metrics
- };
+ )
- FT_CALLBACK_TABLE_DEF
- const FT_Module_Class sfnt_module_class =
- {
+ FT_DEFINE_MODULE(sfnt_module_class,
+
0, /* not a font driver or renderer */
sizeof( FT_ModuleRec ),
@@ -607,12 +642,12 @@
0x10000L, /* driver version 1.0 */
0x20000L, /* driver requires FreeType 2.0 or higher */
- (const void*)&sfnt_interface, /* module specific interface */
+ (const void*)&FT_SFNT_INTERFACE_GET, /* module specific interface */
(FT_Module_Constructor)0,
(FT_Module_Destructor) 0,
(FT_Module_Requester) sfnt_get_interface
- };
+ )
/* END */
diff --git a/src/freetype2/sfnt/sfdriver.h b/src/freetype2/sfnt/sfdriver.h
index 92db796..5de25d5 100644
--- a/src/freetype2/sfnt/sfdriver.h
+++ b/src/freetype2/sfnt/sfdriver.h
@@ -27,7 +27,7 @@
FT_BEGIN_HEADER
- FT_EXPORT_VAR( const FT_Module_Class ) sfnt_module_class;
+ FT_DECLARE_MODULE( sfnt_module_class )
FT_END_HEADER
diff --git a/src/freetype2/sfnt/sfnt.c b/src/freetype2/sfnt/sfnt.c
index 45a820b..fc507b4 100644
--- a/src/freetype2/sfnt/sfnt.c
+++ b/src/freetype2/sfnt/sfnt.c
@@ -19,6 +19,7 @@
#define FT_MAKE_OPTION_SINGLE_OBJECT
#include <ft2build.h>
+#include "sfntpic.c"
#include "ttload.c"
#include "ttmtx.c"
#include "ttcmap.c"
diff --git a/src/freetype2/sfnt/sfntpic.c b/src/freetype2/sfnt/sfntpic.c
new file mode 100644
index 0000000..fd3cf4e
--- /dev/null
+++ b/src/freetype2/sfnt/sfntpic.c
@@ -0,0 +1,101 @@
+/***************************************************************************/
+/* */
+/* sfntpic.c */
+/* */
+/* The FreeType position independent code services for sfnt module. */
+/* */
+/* Copyright 2009 by */
+/* Oran Agra and Mickey Gabel. */
+/* */
+/* This file is part of the FreeType project, and may only be used, */
+/* modified, and distributed under the terms of the FreeType project */
+/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
+/* this file you indicate that you have read the license and */
+/* understand and accept it fully. */
+/* */
+/***************************************************************************/
+
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include FT_INTERNAL_OBJECTS_H
+#include "sfntpic.h"
+
+#ifdef FT_CONFIG_OPTION_PIC
+
+ /* forward declaration of PIC init functions from sfdriver.c */
+ FT_Error FT_Create_Class_sfnt_services( FT_Library, FT_ServiceDescRec**);
+ void FT_Destroy_Class_sfnt_services( FT_Library, FT_ServiceDescRec*);
+ void FT_Init_Class_sfnt_service_bdf( FT_Service_BDFRec*);
+ void FT_Init_Class_sfnt_interface( FT_Library, SFNT_Interface*);
+ void FT_Init_Class_sfnt_service_glyph_dict( FT_Library, FT_Service_GlyphDictRec*);
+ void FT_Init_Class_sfnt_service_ps_name( FT_Library, FT_Service_PsFontNameRec*);
+ void FT_Init_Class_tt_service_get_cmap_info( FT_Library, FT_Service_TTCMapsRec*);
+ void FT_Init_Class_sfnt_service_sfnt_table( FT_Service_SFNT_TableRec*);
+
+ /* forward declaration of PIC init functions from ttcmap.c */
+ FT_Error FT_Create_Class_tt_cmap_classes( FT_Library, TT_CMap_Class**);
+ void FT_Destroy_Class_tt_cmap_classes( FT_Library, TT_CMap_Class*);
+
+ void
+ sfnt_module_class_pic_free( FT_Library library )
+ {
+ FT_PIC_Container* pic_container = &library->pic_container;
+ FT_Memory memory = library->memory;
+ if ( pic_container->sfnt )
+ {
+ sfntModulePIC* container = (sfntModulePIC*)pic_container->sfnt;
+ if(container->sfnt_services)
+ FT_Destroy_Class_sfnt_services(library, container->sfnt_services);
+ container->sfnt_services = NULL;
+ if(container->tt_cmap_classes)
+ FT_Destroy_Class_tt_cmap_classes(library, container->tt_cmap_classes);
+ container->tt_cmap_classes = NULL;
+ FT_FREE( container );
+ pic_container->sfnt = NULL;
+ }
+ }
+
+
+ FT_Error
+ sfnt_module_class_pic_init( FT_Library library )
+ {
+ FT_PIC_Container* pic_container = &library->pic_container;
+ FT_Error error = FT_Err_Ok;
+ sfntModulePIC* container;
+ FT_Memory memory = library->memory;
+
+ /* allocate pointer, clear and set global container pointer */
+ if ( FT_ALLOC ( container, sizeof ( *container ) ) )
+ return error;
+ FT_MEM_SET( container, 0, sizeof(*container) );
+ pic_container->sfnt = container;
+
+ /* initialize pointer table - this is how the module usually expects this data */
+ error = FT_Create_Class_sfnt_services(library, &container->sfnt_services);
+ if(error)
+ goto Exit;
+ error = FT_Create_Class_tt_cmap_classes(library, &container->tt_cmap_classes);
+ if(error)
+ goto Exit;
+ FT_Init_Class_sfnt_service_glyph_dict(library, &container->sfnt_service_glyph_dict);
+ FT_Init_Class_sfnt_service_ps_name(library, &container->sfnt_service_ps_name);
+ FT_Init_Class_tt_service_get_cmap_info(library, &container->tt_service_get_cmap_info);
+ FT_Init_Class_sfnt_service_sfnt_table(&container->sfnt_service_sfnt_table);
+#ifdef TT_CONFIG_OPTION_BDF
+ FT_Init_Class_sfnt_service_bdf(&container->sfnt_service_bdf);
+#endif
+ FT_Init_Class_sfnt_interface(library, &container->sfnt_interface);
+
+Exit:
+ if(error)
+ sfnt_module_class_pic_free(library);
+ return error;
+ }
+
+
+
+#endif /* FT_CONFIG_OPTION_PIC */
+
+
+/* END */
diff --git a/src/freetype2/sfnt/sfntpic.h b/src/freetype2/sfnt/sfntpic.h
new file mode 100644
index 0000000..6943b42
--- /dev/null
+++ b/src/freetype2/sfnt/sfntpic.h
@@ -0,0 +1,88 @@
+/***************************************************************************/
+/* */
+/* sfntpic.h */
+/* */
+/* The FreeType position independent code services for sfnt module. */
+/* */
+/* Copyright 2009 by */
+/* Oran Agra and Mickey Gabel. */
+/* */
+/* This file is part of the FreeType project, and may only be used, */
+/* modified, and distributed under the terms of the FreeType project */
+/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
+/* this file you indicate that you have read the license and */
+/* understand and accept it fully. */
+/* */
+/***************************************************************************/
+
+
+#ifndef __SFNTPIC_H__
+#define __SFNTPIC_H__
+
+
+FT_BEGIN_HEADER
+
+#include FT_INTERNAL_PIC_H
+
+ #ifndef FT_CONFIG_OPTION_PIC
+#define FT_SFNT_SERVICES_GET sfnt_services
+#define FT_SFNT_SERVICE_GLYPH_DICT_GET sfnt_service_glyph_dict
+#define FT_SFNT_SERVICE_PS_NAME_GET sfnt_service_ps_name
+#define FT_TT_SERVICE_GET_CMAP_INFO_GET tt_service_get_cmap_info
+#define FT_SFNT_SERVICES_GET sfnt_services
+#define FT_TT_CMAP_CLASSES_GET tt_cmap_classes
+#define FT_SFNT_SERVICE_SFNT_TABLE_GET sfnt_service_sfnt_table
+#define FT_SFNT_SERVICE_BDF_GET sfnt_service_bdf
+#define FT_SFNT_INTERFACE_GET sfnt_interface
+
+#else /* FT_CONFIG_OPTION_PIC */
+
+/* some include files required for members of sfntModulePIC */
+#include FT_SERVICE_GLYPH_DICT_H
+#include FT_SERVICE_POSTSCRIPT_NAME_H
+#include FT_SERVICE_SFNT_H
+#include FT_SERVICE_TT_CMAP_H
+#ifdef TT_CONFIG_OPTION_BDF
+#include "ttbdf.h"
+#include FT_SERVICE_BDF_H
+#endif
+#include FT_INTERNAL_DEBUG_H
+#include FT_INTERNAL_STREAM_H
+#include FT_INTERNAL_SFNT_H
+#include "ttcmap.h"
+
+typedef struct sfntModulePIC_
+ {
+ FT_ServiceDescRec* sfnt_services;
+ FT_Service_GlyphDictRec sfnt_service_glyph_dict;
+ FT_Service_PsFontNameRec sfnt_service_ps_name;
+ FT_Service_TTCMapsRec tt_service_get_cmap_info;
+ TT_CMap_Class* tt_cmap_classes;
+ FT_Service_SFNT_TableRec sfnt_service_sfnt_table;
+#ifdef TT_CONFIG_OPTION_BDF
+ FT_Service_BDFRec sfnt_service_bdf;
+#endif
+ SFNT_Interface sfnt_interface;
+ } sfntModulePIC;
+
+#define GET_PIC(lib) ((sfntModulePIC*)((lib)->pic_container.sfnt))
+#define FT_SFNT_SERVICES_GET (GET_PIC(library)->sfnt_services)
+#define FT_SFNT_SERVICE_GLYPH_DICT_GET (GET_PIC(library)->sfnt_service_glyph_dict)
+#define FT_SFNT_SERVICE_PS_NAME_GET (GET_PIC(library)->sfnt_service_ps_name)
+#define FT_TT_SERVICE_GET_CMAP_INFO_GET (GET_PIC(library)->tt_service_get_cmap_info)
+#define FT_SFNT_SERVICES_GET (GET_PIC(library)->sfnt_services)
+#define FT_TT_CMAP_CLASSES_GET (GET_PIC(library)->tt_cmap_classes)
+#define FT_SFNT_SERVICE_SFNT_TABLE_GET (GET_PIC(library)->sfnt_service_sfnt_table)
+#define FT_SFNT_SERVICE_BDF_GET (GET_PIC(library)->sfnt_service_bdf)
+#define FT_SFNT_INTERFACE_GET (GET_PIC(library)->sfnt_interface)
+
+#endif /* FT_CONFIG_OPTION_PIC */
+
+/* */
+
+FT_END_HEADER
+
+#endif /* __SFNTPIC_H__ */
+
+
+/* END */
diff --git a/src/freetype2/sfnt/sfobjs.c b/src/freetype2/sfnt/sfobjs.c
index cc90110..cef3cd9 100644
--- a/src/freetype2/sfnt/sfobjs.c
+++ b/src/freetype2/sfnt/sfobjs.c
@@ -4,7 +4,7 @@
/* */
/* SFNT object management (base). */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007 by */
+/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -123,14 +123,20 @@
/* */
/* nameid :: The name id of the name record to return. */
/* */
+ /* <InOut> */
+ /* name :: The address of a string pointer. NULL if no name is */
+ /* present. */
+ /* */
/* <Return> */
- /* Character string. NULL if no name is present. */
+ /* FreeType error code. 0 means success. */
/* */
- static FT_String*
- tt_face_get_name( TT_Face face,
- FT_UShort nameid )
+ static FT_Error
+ tt_face_get_name( TT_Face face,
+ FT_UShort nameid,
+ FT_String** name )
{
FT_Memory memory = face->root.memory;
+ FT_Error error = SFNT_Err_Ok;
FT_String* result = NULL;
FT_UShort n;
TT_NameEntryRec* rec;
@@ -145,6 +151,8 @@
TT_NameEntry_ConvertFunc convert;
+ FT_ASSERT( name );
+
rec = face->name_table.names;
for ( n = 0; n < face->num_names; n++, rec++ )
{
@@ -256,11 +264,8 @@
{
if ( rec->string == NULL )
{
- FT_Error error = SFNT_Err_Ok;
FT_Stream stream = face->name_table.stream;
- FT_UNUSED( error );
-
if ( FT_QNEW_ARRAY ( rec->string, rec->stringLength ) ||
FT_STREAM_SEEK( rec->stringOffset ) ||
@@ -277,7 +282,8 @@
}
Exit:
- return result;
+ *name = result;
+ return error;
}
@@ -285,7 +291,7 @@
sfnt_find_encoding( int platform_id,
int encoding_id )
{
- typedef struct TEncoding
+ typedef struct TEncoding_
{
int platform_id;
int encoding_id;
@@ -363,11 +369,12 @@
if ( FT_READ_ULONG( tag ) )
return error;
- if ( tag != 0x00010000UL &&
- tag != TTAG_ttcf &&
- tag != FT_MAKE_TAG( 'O', 'T', 'T', 'O' ) &&
- tag != TTAG_true &&
- tag != 0x00020000UL )
+ if ( tag != 0x00010000UL &&
+ tag != TTAG_ttcf &&
+ tag != TTAG_OTTO &&
+ tag != TTAG_true &&
+ tag != TTAG_typ1 &&
+ tag != 0x00020000UL )
return SFNT_Err_Unknown_File_Format;
face->ttc_header.tag = TTAG_ttcf;
@@ -401,7 +408,7 @@
face->ttc_header.version = 1 << 16;
face->ttc_header.count = 1;
- if ( FT_NEW( face->ttc_header.offsets) )
+ if ( FT_NEW( face->ttc_header.offsets ) )
return error;
face->ttc_header.offsets[0] = offset;
@@ -451,7 +458,7 @@
face_index = 0;
if ( face_index >= face->ttc_header.count )
- return SFNT_Err_Bad_Argument;
+ return SFNT_Err_Invalid_Argument;
if ( FT_STREAM_SEEK( face->ttc_header.offsets[face_index] ) )
return error;
@@ -461,7 +468,8 @@
if ( error )
return error;
- face->root.num_faces = face->ttc_header.count;
+ face->root.num_faces = face->ttc_header.count;
+ face->root.face_index = face_index;
return error;
}
@@ -498,6 +506,13 @@
FT_TRACE3(( "\n" )); \
} while ( 0 )
+#define GET_NAME( id, field ) \
+ do { \
+ error = tt_face_get_name( face, TT_NAME_ID_##id, field ); \
+ if ( error ) \
+ goto Exit; \
+ } while ( 0 )
+
FT_LOCAL_DEF( FT_Error )
sfnt_load_face( FT_Stream stream,
@@ -506,7 +521,10 @@
FT_Int num_params,
FT_Parameter* params )
{
- FT_Error error, psnames_error;
+ FT_Error error;
+#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
+ FT_Error psnames_error;
+#endif
FT_Bool has_outline;
FT_Bool is_apple_sbit;
@@ -581,7 +599,10 @@
/* don't check for errors */
LOAD_( name );
LOAD_( post );
+
+#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
psnames_error = error;
+#endif
/* do not load the metrics headers and tables if this is an Apple */
/* sbit font file */
@@ -660,19 +681,20 @@
face->os2.version = 0xFFFFU;
}
-
}
/* the optional tables */
- /* embedded bitmap support. */
+ /* embedded bitmap support */
if ( sfnt->load_eblc )
{
LOAD_( eblc );
if ( error )
{
- /* return an error if this font file has no outlines */
- if ( error == SFNT_Err_Table_Missing && has_outline )
+ /* a font which contains neither bitmaps nor outlines is */
+ /* still valid (although rather useless in most cases); */
+ /* however, you can find such stripped fonts in PDFs */
+ if ( error == SFNT_Err_Table_Missing )
error = SFNT_Err_Ok;
else
goto Exit;
@@ -692,26 +714,43 @@
LOAD_( gasp );
LOAD_( kern );
- error = SFNT_Err_Ok;
-
face->root.num_glyphs = face->max_profile.numGlyphs;
- face->root.family_name = tt_face_get_name( face,
- TT_NAME_ID_PREFERRED_FAMILY );
- if ( !face->root.family_name )
- face->root.family_name = tt_face_get_name( face,
- TT_NAME_ID_FONT_FAMILY );
+ /* Bit 8 of the `fsSelection' field in the `OS/2' table denotes */
+ /* a WWS-only font face. `WWS' stands for `weight', width', and */
+ /* `slope', a term used by Microsoft's Windows Presentation */
+ /* Foundation (WPF). This flag has been introduced in version */
+ /* 1.5 of the OpenType specification (May 2008). */
- face->root.style_name = tt_face_get_name( face,
- TT_NAME_ID_PREFERRED_SUBFAMILY );
- if ( !face->root.style_name )
- face->root.style_name = tt_face_get_name( face,
- TT_NAME_ID_FONT_SUBFAMILY );
+ if ( face->os2.version != 0xFFFFU && face->os2.fsSelection & 256 )
+ {
+ GET_NAME( PREFERRED_FAMILY, &face->root.family_name );
+ if ( !face->root.family_name )
+ GET_NAME( FONT_FAMILY, &face->root.family_name );
+
+ GET_NAME( PREFERRED_SUBFAMILY, &face->root.style_name );
+ if ( !face->root.style_name )
+ GET_NAME( FONT_SUBFAMILY, &face->root.style_name );
+ }
+ else
+ {
+ GET_NAME( WWS_FAMILY, &face->root.family_name );
+ if ( !face->root.family_name )
+ GET_NAME( PREFERRED_FAMILY, &face->root.family_name );
+ if ( !face->root.family_name )
+ GET_NAME( FONT_FAMILY, &face->root.family_name );
+
+ GET_NAME( WWS_SUBFAMILY, &face->root.style_name );
+ if ( !face->root.style_name )
+ GET_NAME( PREFERRED_SUBFAMILY, &face->root.style_name );
+ if ( !face->root.style_name )
+ GET_NAME( FONT_SUBFAMILY, &face->root.style_name );
+ }
/* now set up root fields */
{
- FT_Face root = &face->root;
- FT_Int32 flags = root->face_flags;
+ FT_Face root = &face->root;
+ FT_Long flags = root->face_flags;
/*********************************************************************/
@@ -727,7 +766,7 @@
FT_FACE_FLAG_HORIZONTAL; /* horizontal data */
#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
- if ( psnames_error == SFNT_Err_Ok &&
+ if ( psnames_error == SFNT_Err_Ok &&
face->postscript.FormatType != 0x00030000L )
flags |= FT_FACE_FLAG_GLYPH_NAMES;
#endif
@@ -759,19 +798,26 @@
/* */
/* Compute style flags. */
/* */
+
flags = 0;
if ( has_outline == TRUE && face->os2.version != 0xFFFFU )
{
- /* we have an OS/2 table; use the `fsSelection' field */
- if ( face->os2.fsSelection & 1 )
+ /* We have an OS/2 table; use the `fsSelection' field. Bit 9 */
+ /* indicates an oblique font face. This flag has been */
+ /* introduced in version 1.5 of the OpenType specification. */
+
+ if ( face->os2.fsSelection & 512 ) /* bit 9 */
+ flags |= FT_STYLE_FLAG_ITALIC;
+ else if ( face->os2.fsSelection & 1 ) /* bit 0 */
flags |= FT_STYLE_FLAG_ITALIC;
- if ( face->os2.fsSelection & 32 )
+ if ( face->os2.fsSelection & 32 ) /* bit 5 */
flags |= FT_STYLE_FLAG_BOLD;
}
else
{
/* this is an old Mac font, use the header field */
+
if ( face->header.Mac_Style & 1 )
flags |= FT_STYLE_FLAG_BOLD;
@@ -816,12 +862,78 @@
}
}
+#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
+
+ /*
+ * Now allocate the root array of FT_Bitmap_Size records and
+ * populate them. Unfortunately, it isn't possible to indicate bit
+ * depths in the FT_Bitmap_Size record. This is a design error.
+ */
+ {
+ FT_UInt i, count;
+
+
+#ifndef FT_CONFIG_OPTION_OLD_INTERNALS
+ count = face->sbit_num_strikes;
+#else
+ count = (FT_UInt)face->num_sbit_strikes;
+#endif
+
+ if ( count > 0 )
+ {
+ FT_Memory memory = face->root.stream->memory;
+ FT_UShort em_size = face->header.Units_Per_EM;
+ FT_Short avgwidth = face->os2.xAvgCharWidth;
+ FT_Size_Metrics metrics;
+
+
+ if ( em_size == 0 || face->os2.version == 0xFFFFU )
+ {
+ avgwidth = 0;
+ em_size = 1;
+ }
+
+ if ( FT_NEW_ARRAY( root->available_sizes, count ) )
+ goto Exit;
+
+ for ( i = 0; i < count; i++ )
+ {
+ FT_Bitmap_Size* bsize = root->available_sizes + i;
+
+
+ error = sfnt->load_strike_metrics( face, i, &metrics );
+ if ( error )
+ goto Exit;
+
+ bsize->height = (FT_Short)( metrics.height >> 6 );
+ bsize->width = (FT_Short)(
+ ( avgwidth * metrics.x_ppem + em_size / 2 ) / em_size );
+
+ bsize->x_ppem = metrics.x_ppem << 6;
+ bsize->y_ppem = metrics.y_ppem << 6;
+
+ /* assume 72dpi */
+ bsize->size = metrics.y_ppem << 6;
+ }
+
+ root->face_flags |= FT_FACE_FLAG_FIXED_SIZES;
+ root->num_fixed_sizes = (FT_Int)count;
+ }
+ }
+
+#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
+
+ /* a font with no bitmaps and no outlines is scalable; */
+ /* it has only empty glyphs then */
+ if ( !FT_HAS_FIXED_SIZES( root ) && !FT_IS_SCALABLE( root ) )
+ root->face_flags |= FT_FACE_FLAG_SCALABLE;
+
/*********************************************************************/
/* */
/* Set up metrics. */
/* */
- if ( has_outline == TRUE )
+ if ( FT_IS_SCALABLE( root ) )
{
/* XXX What about if outline header is missing */
/* (e.g. sfnt wrapped bitmap)? */
@@ -874,10 +986,9 @@
/* this computation is based on various versions of Times New Roman */
if ( face->horizontal.Line_Gap == 0 )
root->height = (FT_Short)( ( root->height * 115 + 50 ) / 100 );
-#endif
+#endif /* 0 */
#if 0
-
/* some fonts have the OS/2 "sTypoAscender", "sTypoDescender" & */
/* "sTypoLineGap" fields set to 0, like ARIALNB.TTF */
if ( face->os2.version != 0xFFFFU && root->ascender )
@@ -892,80 +1003,21 @@
if ( height > root->height )
root->height = height;
}
-
#endif /* 0 */
- root->max_advance_width = face->horizontal.advance_Width_Max;
-
- root->max_advance_height = (FT_Short)( face->vertical_info
- ? face->vertical.advance_Height_Max
- : root->height );
+ root->max_advance_width = face->horizontal.advance_Width_Max;
+ root->max_advance_height = (FT_Short)( face->vertical_info
+ ? face->vertical.advance_Height_Max
+ : root->height );
- root->underline_position = face->postscript.underlinePosition;
+ /* See http://www.microsoft.com/OpenType/OTSpec/post.htm -- */
+ /* Adjust underline position from top edge to centre of */
+ /* stroke to convert TrueType meaning to FreeType meaning. */
+ root->underline_position = face->postscript.underlinePosition -
+ face->postscript.underlineThickness / 2;
root->underline_thickness = face->postscript.underlineThickness;
}
-#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
-
- /*
- * Now allocate the root array of FT_Bitmap_Size records and
- * populate them. Unfortunately, it isn't possible to indicate bit
- * depths in the FT_Bitmap_Size record. This is a design error.
- */
- {
- FT_UInt i, count;
-
-
-#if !defined FT_CONFIG_OPTION_OLD_INTERNALS
- count = face->sbit_num_strikes;
-#else
- count = (FT_UInt)face->num_sbit_strikes;
-#endif
-
- if ( count > 0 )
- {
- FT_Memory memory = face->root.stream->memory;
- FT_UShort em_size = face->header.Units_Per_EM;
- FT_Short avgwidth = face->os2.xAvgCharWidth;
- FT_Size_Metrics metrics;
-
-
- if ( em_size == 0 || face->os2.version == 0xFFFFU )
- {
- avgwidth = 0;
- em_size = 1;
- }
-
- if ( FT_NEW_ARRAY( root->available_sizes, count ) )
- goto Exit;
-
- for ( i = 0; i < count; i++ )
- {
- FT_Bitmap_Size* bsize = root->available_sizes + i;
-
-
- error = sfnt->load_strike_metrics( face, i, &metrics );
- if ( error )
- goto Exit;
-
- bsize->height = (FT_Short)( metrics.height >> 6 );
- bsize->width = (FT_Short)(
- ( avgwidth * metrics.x_ppem + em_size / 2 ) / em_size );
-
- bsize->x_ppem = metrics.x_ppem << 6;
- bsize->y_ppem = metrics.y_ppem << 6;
-
- /* assume 72dpi */
- bsize->size = metrics.y_ppem << 6;
- }
-
- root->face_flags |= FT_FACE_FLAG_FIXED_SIZES;
- root->num_fixed_sizes = (FT_Int)count;
- }
- }
-
-#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
-
}
Exit:
@@ -977,14 +1029,21 @@
#undef LOAD_
#undef LOADM_
+#undef GET_NAME
FT_LOCAL_DEF( void )
sfnt_done_face( TT_Face face )
{
- FT_Memory memory = face->root.memory;
- SFNT_Service sfnt = (SFNT_Service)face->sfnt;
+ FT_Memory memory;
+ SFNT_Service sfnt;
+
+ if ( !face )
+ return;
+
+ memory = face->root.memory;
+ sfnt = (SFNT_Service)face->sfnt;
if ( sfnt )
{
@@ -1023,7 +1082,7 @@
}
/* freeing the horizontal metrics */
-#if !defined FT_CONFIG_OPTION_OLD_INTERNALS
+#ifndef FT_CONFIG_OPTION_OLD_INTERNALS
{
FT_Stream stream = FT_FACE_STREAM( face );
@@ -1051,7 +1110,8 @@
face->gasp.numRanges = 0;
/* freeing the name table */
- sfnt->free_name( face );
+ if ( sfnt )
+ sfnt->free_name( face );
/* freeing family and style name */
FT_FREE( face->root.family_name );
diff --git a/src/freetype2/sfnt/ttbdf.c b/src/freetype2/sfnt/ttbdf.c
index 6c95387..206cece 100644
--- a/src/freetype2/sfnt/ttbdf.c
+++ b/src/freetype2/sfnt/ttbdf.c
@@ -84,7 +84,7 @@
FT_Byte* p = bdf->table;
FT_UInt version = FT_NEXT_USHORT( p );
FT_UInt num_strikes = FT_NEXT_USHORT( p );
- FT_UInt32 strings = FT_NEXT_ULONG ( p );
+ FT_ULong strings = FT_NEXT_ULONG ( p );
FT_UInt count;
FT_Byte* strike;
@@ -141,13 +141,13 @@
const char* property_name,
BDF_PropertyRec *aprop )
{
- TT_BDF bdf = &face->bdf;
- FT_Size size = FT_FACE(face)->size;
- FT_Error error = 0;
- FT_Byte* p;
- FT_UInt count;
- FT_Byte* strike;
- FT_UInt property_len;
+ TT_BDF bdf = &face->bdf;
+ FT_Size size = FT_FACE(face)->size;
+ FT_Error error = 0;
+ FT_Byte* p;
+ FT_UInt count;
+ FT_Byte* strike;
+ FT_Offset property_len;
aprop->type = BDF_PROPERTY_TYPE_NONE;
diff --git a/src/freetype2/sfnt/ttcmap.c b/src/freetype2/sfnt/ttcmap.c
index 854d567..26ea83c 100644
--- a/src/freetype2/sfnt/ttcmap.c
+++ b/src/freetype2/sfnt/ttcmap.c
@@ -4,7 +4,7 @@
/* */
/* TrueType character mapping table (cmap) support (body). */
/* */
-/* Copyright 2002, 2003, 2004, 2005, 2006, 2007 by */
+/* Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -25,6 +25,7 @@
#include FT_INTERNAL_STREAM_H
#include "ttload.h"
#include "ttcmap.h"
+#include "sfntpic.h"
/*************************************************************************/
@@ -39,11 +40,13 @@
#define TT_PEEK_SHORT FT_PEEK_SHORT
#define TT_PEEK_USHORT FT_PEEK_USHORT
+#define TT_PEEK_UINT24 FT_PEEK_UOFF3
#define TT_PEEK_LONG FT_PEEK_LONG
#define TT_PEEK_ULONG FT_PEEK_ULONG
#define TT_NEXT_SHORT FT_NEXT_SHORT
#define TT_NEXT_USHORT FT_NEXT_USHORT
+#define TT_NEXT_UINT24 FT_NEXT_UOFF3
#define TT_NEXT_LONG FT_NEXT_LONG
#define TT_NEXT_ULONG FT_NEXT_ULONG
@@ -122,7 +125,7 @@
}
- FT_CALLBACK_DEF( FT_UInt )
+ FT_CALLBACK_DEF( FT_UInt32 )
tt_cmap0_char_next( TT_CMap cmap,
FT_UInt32 *pchar_code )
{
@@ -132,7 +135,7 @@
FT_UInt gindex = 0;
- table += 6; /* go to glyph ids */
+ table += 6; /* go to glyph IDs */
while ( ++charcode < 256 )
{
gindex = table[charcode];
@@ -155,28 +158,27 @@
FT_Byte* p = cmap->data + 4;
- cmap_info->format = 0;
+ cmap_info->format = 0;
cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p );
return SFNT_Err_Ok;
}
- FT_CALLBACK_TABLE_DEF
- const TT_CMap_ClassRec tt_cmap0_class_rec =
- {
- {
+ FT_DEFINE_TT_CMAP(tt_cmap0_class_rec,
sizeof ( TT_CMapRec ),
(FT_CMap_InitFunc) tt_cmap_init,
(FT_CMap_DoneFunc) NULL,
(FT_CMap_CharIndexFunc)tt_cmap0_char_index,
- (FT_CMap_CharNextFunc) tt_cmap0_char_next
- },
+ (FT_CMap_CharNextFunc) tt_cmap0_char_next,
+
+ NULL, NULL, NULL, NULL, NULL
+ ,
0,
(TT_CMap_ValidateFunc) tt_cmap0_validate,
(TT_CMap_Info_GetFunc) tt_cmap0_get_info
- };
+ )
#endif /* TT_CONFIG_CMAP_FORMAT_0 */
@@ -227,7 +229,7 @@
/* language 4 USHORT Mac language code */
/* keys 6 USHORT[256] sub-header keys */
/* subs 518 SUBHEAD[NSUBS] sub-headers array */
- /* glyph_ids 518+NSUB*8 USHORT[] glyph id array */
+ /* glyph_ids 518+NSUB*8 USHORT[] glyph ID array */
/* */
/* The `keys' table is used to map charcode high-bytes to sub-headers. */
/* The value of `NSUBS' is the number of sub-headers defined in the */
@@ -256,14 +258,14 @@
/* */
/* * The value of `offset' is read. This is a _byte_ distance from the */
/* location of the `offset' field itself into a slice of the */
- /* `glyph_ids' table. Let's call it `slice' (it's a USHORT[] too). */
+ /* `glyph_ids' table. Let's call it `slice' (it is a USHORT[] too). */
/* */
/* * The value `slice[char.lo - first]' is read. If it is 0, there is */
/* no glyph for the charcode. Otherwise, the value of `delta' is */
/* added to it (modulo 65536) to form a new glyph index. */
/* */
/* It is up to the validation routine to check that all offsets fall */
- /* within the glyph ids table (and not within the `subs' table itself or */
+ /* within the glyph IDs table (and not within the `subs' table itself or */
/* outside of the CMap). */
/* */
@@ -278,7 +280,7 @@
FT_UInt n, max_subs;
FT_Byte* keys; /* keys table */
FT_Byte* subs; /* sub-headers */
- FT_Byte* glyph_ids; /* glyph id array */
+ FT_Byte* glyph_ids; /* glyph ID array */
if ( table + length > valid->limit || length < 6 + 512 )
@@ -324,6 +326,10 @@
delta = TT_NEXT_SHORT( p );
offset = TT_NEXT_USHORT( p );
+ /* many Dynalab fonts have empty sub-headers */
+ if ( code_count == 0 )
+ continue;
+
/* check range within 0..255 */
if ( valid->level >= FT_VALIDATE_PARANOID )
{
@@ -338,7 +344,7 @@
if ( ids < glyph_ids || ids + code_count*2 > table + length )
FT_INVALID_OFFSET;
- /* check glyph ids */
+ /* check glyph IDs */
if ( valid->level >= FT_VALIDATE_TIGHT )
{
FT_Byte* limit = p + code_count * 2;
@@ -389,7 +395,7 @@
sub = subs; /* jump to first sub-header */
/* check that the sub-header for this byte is 0, which */
- /* indicates that it's really a valid one-byte value */
+ /* indicates that it is really a valid one-byte value */
/* Otherwise, return 0 */
/* */
p += char_lo * 2;
@@ -454,7 +460,7 @@
}
- FT_CALLBACK_DEF( FT_UInt )
+ FT_CALLBACK_DEF( FT_UInt32 )
tt_cmap2_char_next( TT_CMap cmap,
FT_UInt32 *pcharcode )
{
@@ -528,28 +534,27 @@
FT_Byte* p = cmap->data + 4;
- cmap_info->format = 2;
+ cmap_info->format = 2;
cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p );
return SFNT_Err_Ok;
}
- FT_CALLBACK_TABLE_DEF
- const TT_CMap_ClassRec tt_cmap2_class_rec =
- {
- {
+ FT_DEFINE_TT_CMAP(tt_cmap2_class_rec,
sizeof ( TT_CMapRec ),
(FT_CMap_InitFunc) tt_cmap_init,
(FT_CMap_DoneFunc) NULL,
(FT_CMap_CharIndexFunc)tt_cmap2_char_index,
- (FT_CMap_CharNextFunc) tt_cmap2_char_next
- },
+ (FT_CMap_CharNextFunc) tt_cmap2_char_next,
+
+ NULL, NULL, NULL, NULL, NULL
+ ,
2,
(TT_CMap_ValidateFunc) tt_cmap2_validate,
(TT_CMap_Info_GetFunc) tt_cmap2_get_info
- };
+ )
#endif /* TT_CONFIG_CMAP_FORMAT_2 */
@@ -595,14 +600,14 @@
/* each segment; can be */
/* zero */
/* */
- /* glyphIds 16+NUM_SEGS*8 USHORT[] array of glyph id */
+ /* glyphIds 16+NUM_SEGS*8 USHORT[] array of glyph ID */
/* ranges */
/* */
/* Character codes are modelled by a series of ordered (increasing) */
/* intervals called segments. Each segment has start and end codes, */
/* provided by the `startCount' and `endCount' arrays. Segments must */
- /* not be overlapping and the last segment should always contain the */
- /* `0xFFFF' endCount. */
+ /* not overlap, and the last segment should always contain the value */
+ /* 0xFFFF for `endCount'. */
/* */
/* The fields `searchRange', `entrySelector' and `rangeShift' are better */
/* ignored (they are traces of over-engineering in the TrueType */
@@ -615,14 +620,14 @@
/* charcode within the segment is obtained by adding the value of */
/* `idDelta' directly to the charcode, modulo 65536. */
/* */
- /* Otherwise, a glyph index is taken from the glyph ids sub-array for */
+ /* Otherwise, a glyph index is taken from the glyph IDs sub-array for */
/* the segment, and the value of `idDelta' is added to it. */
/* */
/* */
- /* Finally, note that certain fonts contain invalid charmaps that */
- /* contain end=0xFFFF, start=0xFFFF, delta=0x0001, offset=0xFFFF at the */
- /* of their charmaps (e.g. opens___.ttf which comes with OpenOffice.org) */
- /* we need special code to deal with them correctly... */
+ /* Finally, note that a lot of fonts contain an invalid last segment, */
+ /* where `start' and `end' are correctly set to 0xFFFF but both `delta' */
+ /* and `offset' are incorrect (e.g., `opens___.ttf' which comes with */
+ /* OpenOffice.org). We need special code to deal with them correctly. */
/* */
#ifdef TT_CONFIG_CMAP_FORMAT_4
@@ -654,7 +659,7 @@
p = table + 6;
cmap->num_ranges = FT_PEEK_USHORT( p ) >> 1;
- cmap->cur_charcode = 0xFFFFFFFFUL;
+ cmap->cur_charcode = (FT_UInt32)0xFFFFFFFFUL;
cmap->cur_gindex = 0;
return SFNT_Err_Ok;
@@ -687,6 +692,23 @@
p += num_ranges * 2;
offset = FT_PEEK_USHORT( p );
+ /* some fonts have an incorrect last segment; */
+ /* we have to catch it */
+ if ( range_index >= num_ranges - 1 &&
+ cmap->cur_start == 0xFFFFU &&
+ cmap->cur_end == 0xFFFFU )
+ {
+ TT_Face face = (TT_Face)cmap->cmap.cmap.charmap.face;
+ FT_Byte* limit = face->cmap_table + face->cmap_size;
+
+
+ if ( offset && p + offset + 2 > limit )
+ {
+ cmap->cur_delta = 1;
+ offset = 0;
+ }
+ }
+
if ( offset != 0xFFFFU )
{
cmap->cur_values = offset ? p + offset : NULL;
@@ -715,7 +737,7 @@
if ( cmap->cur_charcode >= 0xFFFFUL )
goto Fail;
- charcode = cmap->cur_charcode + 1;
+ charcode = (FT_UInt)cmap->cur_charcode + 1;
if ( charcode < cmap->cur_start )
charcode = cmap->cur_start;
@@ -777,7 +799,7 @@
}
Fail:
- cmap->cur_charcode = 0xFFFFFFFFUL;
+ cmap->cur_charcode = (FT_UInt32)0xFFFFFFFFUL;
cmap->cur_gindex = 0;
}
@@ -825,7 +847,7 @@
/* */
if ( valid->level >= FT_VALIDATE_PARANOID )
{
- /* check the values of 'searchRange', 'entrySelector', 'rangeShift' */
+ /* check the values of `searchRange', `entrySelector', `rangeShift' */
FT_UInt search_range = TT_NEXT_USHORT( p );
FT_UInt entry_selector = TT_NEXT_USHORT( p );
FT_UInt range_shift = TT_NEXT_USHORT( p );
@@ -852,7 +874,7 @@
offsets = deltas + num_segs * 2;
glyph_ids = offsets + num_segs * 2;
- /* check last segment, its end count must be FFFF */
+ /* check last segment; its end count value must be 0xFFFF */
if ( valid->level >= FT_VALIDATE_PARANOID )
{
p = ends + ( num_segs - 1 ) * 2;
@@ -861,9 +883,9 @@
}
{
- FT_UInt start, end, offset, n;
- FT_UInt last_start = 0, last_end = 0;
- FT_Int delta;
+ FT_UInt start, end, offset, n;
+ FT_UInt last_start = 0, last_end = 0;
+ FT_Int delta;
FT_Byte* p_start = starts;
FT_Byte* p_end = ends;
FT_Byte* p_delta = deltas;
@@ -881,10 +903,10 @@
if ( start > end )
FT_INVALID_DATA;
- /* this test should be performed at default validation level; */
- /* unfortunately, some popular Asian fonts present overlapping */
- /* ranges in their charmaps */
- /* */
+ /* this test should be performed at default validation level; */
+ /* unfortunately, some popular Asian fonts have overlapping */
+ /* ranges in their charmaps */
+ /* */
if ( start <= last_end && n > 0 )
{
if ( valid->level >= FT_VALIDATE_TIGHT )
@@ -892,7 +914,7 @@
else
{
/* allow overlapping segments, provided their start points */
- /* and end points, respectively, are in ascending order. */
+ /* and end points, respectively, are in ascending order */
/* */
if ( last_start > start || last_end > end )
error |= TT_CMAP_FLAG_UNSORTED;
@@ -903,16 +925,27 @@
if ( offset && offset != 0xFFFFU )
{
- p += offset; /* start of glyph id array */
+ p += offset; /* start of glyph ID array */
- /* check that we point within the glyph ids table only */
+ /* check that we point within the glyph IDs table only */
if ( valid->level >= FT_VALIDATE_TIGHT )
{
if ( p < glyph_ids ||
p + ( end - start + 1 ) * 2 > table + length )
FT_INVALID_DATA;
}
- else
+ /* Some fonts handle the last segment incorrectly. In */
+ /* theory, 0xFFFF might point to an ordinary glyph -- */
+ /* a cmap 4 is versatile and could be used for any */
+ /* encoding, not only Unicode. However, reality shows */
+ /* that far too many fonts are sloppy and incorrectly */
+ /* set all fields but `start' and `end' for the last */
+ /* segment if it contains only a single character. */
+ /* */
+ /* We thus omit the test here, delaying it to the */
+ /* routines which actually access the cmap. */
+ else if ( n != num_segs - 1 ||
+ !( start == 0xFFFFU && end == 0xFFFFU ) )
{
if ( p < glyph_ids ||
p + ( end - start + 1 ) * 2 > valid->limit )
@@ -940,12 +973,12 @@
}
else if ( offset == 0xFFFFU )
{
- /* Some fonts (erroneously?) use a range offset of 0xFFFF */
+ /* some fonts (erroneously?) use a range offset of 0xFFFF */
/* to mean missing glyph in cmap table */
/* */
- if ( valid->level >= FT_VALIDATE_PARANOID ||
- n != num_segs - 1 ||
- !( start == 0xFFFFU && end == 0xFFFFU && delta == 0x1U ) )
+ if ( valid->level >= FT_VALIDATE_PARANOID ||
+ n != num_segs - 1 ||
+ !( start == 0xFFFFU && end == 0xFFFFU ) )
FT_INVALID_DATA;
}
@@ -959,9 +992,9 @@
static FT_UInt
- tt_cmap4_char_map_linear( TT_CMap cmap,
- FT_UInt* pcharcode,
- FT_Bool next )
+ tt_cmap4_char_map_linear( TT_CMap cmap,
+ FT_UInt32* pcharcode,
+ FT_Bool next )
{
FT_UInt num_segs2, start, end, offset;
FT_Int delta;
@@ -1003,6 +1036,22 @@
p += num_segs2;
offset = TT_PEEK_USHORT( p );
+ /* some fonts have an incorrect last segment; */
+ /* we have to catch it */
+ if ( i >= num_segs - 1 &&
+ start == 0xFFFFU && end == 0xFFFFU )
+ {
+ TT_Face face = (TT_Face)cmap->cmap.charmap.face;
+ FT_Byte* limit = face->cmap_table + face->cmap_size;
+
+
+ if ( offset && p + offset + 2 > limit )
+ {
+ delta = 1;
+ offset = 0;
+ }
+ }
+
if ( offset == 0xFFFFU )
continue;
@@ -1032,14 +1081,14 @@
static FT_UInt
- tt_cmap4_char_map_binary( TT_CMap cmap,
- FT_UInt* pcharcode,
- FT_Bool next )
+ tt_cmap4_char_map_binary( TT_CMap cmap,
+ FT_UInt32* pcharcode,
+ FT_Bool next )
{
FT_UInt num_segs2, start, end, offset;
FT_Int delta;
FT_UInt max, min, mid, num_segs;
- FT_UInt charcode = *pcharcode;
+ FT_UInt charcode = (FT_UInt)*pcharcode;
FT_UInt gindex = 0;
FT_Byte* p;
@@ -1082,6 +1131,22 @@
p += num_segs2;
offset = TT_PEEK_USHORT( p );
+ /* some fonts have an incorrect last segment; */
+ /* we have to catch it */
+ if ( mid >= num_segs - 1 &&
+ start == 0xFFFFU && end == 0xFFFFU )
+ {
+ TT_Face face = (TT_Face)cmap->cmap.charmap.face;
+ FT_Byte* limit = face->cmap_table + face->cmap_size;
+
+
+ if ( offset && p + offset + 2 > limit )
+ {
+ delta = 1;
+ offset = 0;
+ }
+ }
+
/* search the first segment containing `charcode' */
if ( cmap->flags & TT_CMAP_FLAG_OVERLAPPING )
{
@@ -1265,7 +1330,7 @@
}
- FT_CALLBACK_DEF( FT_UInt )
+ FT_CALLBACK_DEF( FT_UInt32 )
tt_cmap4_char_next( TT_CMap cmap,
FT_UInt32 *pchar_code )
{
@@ -1305,27 +1370,26 @@
FT_Byte* p = cmap->data + 4;
- cmap_info->format = 4;
+ cmap_info->format = 4;
cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p );
return SFNT_Err_Ok;
}
- FT_CALLBACK_TABLE_DEF
- const TT_CMap_ClassRec tt_cmap4_class_rec =
- {
- {
+ FT_DEFINE_TT_CMAP(tt_cmap4_class_rec,
sizeof ( TT_CMap4Rec ),
(FT_CMap_InitFunc) tt_cmap4_init,
(FT_CMap_DoneFunc) NULL,
(FT_CMap_CharIndexFunc)tt_cmap4_char_index,
- (FT_CMap_CharNextFunc) tt_cmap4_char_next
- },
+ (FT_CMap_CharNextFunc) tt_cmap4_char_next,
+
+ NULL, NULL, NULL, NULL, NULL
+ ,
4,
(TT_CMap_ValidateFunc) tt_cmap4_validate,
(TT_CMap_Info_GetFunc) tt_cmap4_get_info
- };
+ )
#endif /* TT_CONFIG_CMAP_FORMAT_4 */
@@ -1351,7 +1415,7 @@
/* */
/* first 6 USHORT first segment code */
/* count 8 USHORT segment size in chars */
- /* glyphIds 10 USHORT[count] glyph ids */
+ /* glyphIds 10 USHORT[count] glyph IDs */
/* */
/* A very simplified segment mapping. */
/* */
@@ -1417,7 +1481,7 @@
}
- FT_CALLBACK_DEF( FT_UInt )
+ FT_CALLBACK_DEF( FT_UInt32 )
tt_cmap6_char_next( TT_CMap cmap,
FT_UInt32 *pchar_code )
{
@@ -1465,28 +1529,27 @@
FT_Byte* p = cmap->data + 4;
- cmap_info->format = 6;
+ cmap_info->format = 6;
cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p );
return SFNT_Err_Ok;
}
- FT_CALLBACK_TABLE_DEF
- const TT_CMap_ClassRec tt_cmap6_class_rec =
- {
- {
+ FT_DEFINE_TT_CMAP(tt_cmap6_class_rec,
sizeof ( TT_CMapRec ),
(FT_CMap_InitFunc) tt_cmap_init,
(FT_CMap_DoneFunc) NULL,
(FT_CMap_CharIndexFunc)tt_cmap6_char_index,
- (FT_CMap_CharNextFunc) tt_cmap6_char_next
- },
+ (FT_CMap_CharNextFunc) tt_cmap6_char_next,
+
+ NULL, NULL, NULL, NULL, NULL
+ ,
6,
(TT_CMap_ValidateFunc) tt_cmap6_validate,
(TT_CMap_Info_GetFunc) tt_cmap6_get_info
- };
+ )
#endif /* TT_CONFIG_CMAP_FORMAT_6 */
@@ -1496,7 +1559,7 @@
/***** *****/
/***** FORMAT 8 *****/
/***** *****/
- /***** It's hard to completely understand what the OpenType spec *****/
+ /***** It is hard to completely understand what the OpenType spec *****/
/***** says about this format, but here is my conclusion. *****/
/***** *****/
/***** The purpose of this format is to easily map UTF-16 text to *****/
@@ -1511,7 +1574,7 @@
/***** `char_hi' and `char_lo' must be in the Surrogates Area. *****/
/***** Area. *****/
/***** *****/
- /***** The 'is32' table embedded in the charmap indicates whether a *****/
+ /***** The `is32' table embedded in the charmap indicates whether a *****/
/***** given 16-bit value is in the surrogates area or not. *****/
/***** *****/
/***** So, for any given `char_code', we can assert the following: *****/
@@ -1538,11 +1601,11 @@
/* is32 12 BYTE[8192] 32-bitness bitmap */
/* count 8204 ULONG number of groups */
/* */
- /* This header is followed by 'count' groups of the following format: */
+ /* This header is followed by `count' groups of the following format: */
/* */
/* start 0 ULONG first charcode */
/* end 4 ULONG last charcode */
- /* startId 8 ULONG start glyph id for the group */
+ /* startId 8 ULONG start glyph ID for the group */
/* */
#ifdef TT_CONFIG_CMAP_FORMAT_8
@@ -1561,7 +1624,7 @@
FT_INVALID_TOO_SHORT;
length = TT_NEXT_ULONG( p );
- if ( table + length > valid->limit || length < 8208 )
+ if ( length > (FT_UInt32)( valid->limit - table ) || length < 8192 + 16 )
FT_INVALID_TOO_SHORT;
is32 = table + 12;
@@ -1671,7 +1734,7 @@
}
- FT_CALLBACK_DEF( FT_UInt )
+ FT_CALLBACK_DEF( FT_UInt32 )
tt_cmap8_char_next( TT_CMap cmap,
FT_UInt32 *pchar_code )
{
@@ -1719,28 +1782,27 @@
FT_Byte* p = cmap->data + 8;
- cmap_info->format = 8;
+ cmap_info->format = 8;
cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p );
return SFNT_Err_Ok;
}
- FT_CALLBACK_TABLE_DEF
- const TT_CMap_ClassRec tt_cmap8_class_rec =
- {
- {
+ FT_DEFINE_TT_CMAP(tt_cmap8_class_rec,
sizeof ( TT_CMapRec ),
(FT_CMap_InitFunc) tt_cmap_init,
(FT_CMap_DoneFunc) NULL,
(FT_CMap_CharIndexFunc)tt_cmap8_char_index,
- (FT_CMap_CharNextFunc) tt_cmap8_char_next
- },
+ (FT_CMap_CharNextFunc) tt_cmap8_char_next,
+
+ NULL, NULL, NULL, NULL, NULL
+ ,
8,
(TT_CMap_ValidateFunc) tt_cmap8_validate,
(TT_CMap_Info_GetFunc) tt_cmap8_get_info
- };
+ )
#endif /* TT_CONFIG_CMAP_FORMAT_8 */
@@ -1787,7 +1849,8 @@
p = table + 16;
count = TT_NEXT_ULONG( p );
- if ( table + length > valid->limit || length < 20 + count * 2 )
+ if ( length > (FT_ULong)( valid->limit - table ) ||
+ length < 20 + count * 2 )
FT_INVALID_TOO_SHORT;
/* check glyph indices */
@@ -1829,7 +1892,7 @@
}
- FT_CALLBACK_DEF( FT_UInt )
+ FT_CALLBACK_DEF( FT_UInt32 )
tt_cmap10_char_next( TT_CMap cmap,
FT_UInt32 *pchar_code )
{
@@ -1868,28 +1931,27 @@
FT_Byte* p = cmap->data + 8;
- cmap_info->format = 10;
+ cmap_info->format = 10;
cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p );
return SFNT_Err_Ok;
}
- FT_CALLBACK_TABLE_DEF
- const TT_CMap_ClassRec tt_cmap10_class_rec =
- {
- {
+ FT_DEFINE_TT_CMAP(tt_cmap10_class_rec,
sizeof ( TT_CMapRec ),
(FT_CMap_InitFunc) tt_cmap_init,
(FT_CMap_DoneFunc) NULL,
(FT_CMap_CharIndexFunc)tt_cmap10_char_index,
- (FT_CMap_CharNextFunc) tt_cmap10_char_next
- },
+ (FT_CMap_CharNextFunc) tt_cmap10_char_next,
+
+ NULL, NULL, NULL, NULL, NULL
+ ,
10,
(TT_CMap_ValidateFunc) tt_cmap10_validate,
(TT_CMap_Info_GetFunc) tt_cmap10_get_info
- };
+ )
#endif /* TT_CONFIG_CMAP_FORMAT_10 */
@@ -1920,7 +1982,7 @@
/* */
/* start 0 ULONG first charcode */
/* end 4 ULONG last charcode */
- /* startId 8 ULONG start glyph id for the group */
+ /* startId 8 ULONG start glyph ID for the group */
/* */
#ifdef TT_CONFIG_CMAP_FORMAT_12
@@ -1970,7 +2032,8 @@
p = table + 12;
num_groups = TT_NEXT_ULONG( p );
- if ( table + length > valid->limit || length < 16 + 12 * num_groups )
+ if ( length > (FT_ULong)( valid->limit - table ) ||
+ length < 16 + 12 * num_groups )
FT_INVALID_TOO_SHORT;
/* check groups, they must be in increasing order */
@@ -2147,7 +2210,7 @@
}
- FT_CALLBACK_DEF( FT_UInt )
+ FT_CALLBACK_DEF( FT_UInt32 )
tt_cmap12_char_next( TT_CMap cmap,
FT_UInt32 *pchar_code )
{
@@ -2165,8 +2228,10 @@
if ( cmap12->valid )
{
gindex = cmap12->cur_gindex;
+
+ /* XXX: check cur_charcode overflow is expected */
if ( gindex )
- *pchar_code = cmap12->cur_charcode;
+ *pchar_code = (FT_UInt32)cmap12->cur_charcode;
}
else
gindex = 0;
@@ -2174,7 +2239,8 @@
else
gindex = tt_cmap12_char_map_binary( cmap, pchar_code, 1 );
- return gindex;
+ /* XXX: check gindex overflow is expected */
+ return (FT_UInt32)gindex;
}
@@ -2185,66 +2251,1138 @@
FT_Byte* p = cmap->data + 8;
- cmap_info->format = 12;
+ cmap_info->format = 12;
cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p );
return SFNT_Err_Ok;
}
- FT_CALLBACK_TABLE_DEF
- const TT_CMap_ClassRec tt_cmap12_class_rec =
- {
- {
+ FT_DEFINE_TT_CMAP(tt_cmap12_class_rec,
sizeof ( TT_CMap12Rec ),
(FT_CMap_InitFunc) tt_cmap12_init,
(FT_CMap_DoneFunc) NULL,
(FT_CMap_CharIndexFunc)tt_cmap12_char_index,
- (FT_CMap_CharNextFunc) tt_cmap12_char_next
- },
+ (FT_CMap_CharNextFunc) tt_cmap12_char_next,
+
+ NULL, NULL, NULL, NULL, NULL
+ ,
12,
(TT_CMap_ValidateFunc) tt_cmap12_validate,
(TT_CMap_Info_GetFunc) tt_cmap12_get_info
+ )
+
+#endif /* TT_CONFIG_CMAP_FORMAT_12 */
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** FORMAT 13 *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ /*************************************************************************/
+ /* */
+ /* TABLE OVERVIEW */
+ /* -------------- */
+ /* */
+ /* NAME OFFSET TYPE DESCRIPTION */
+ /* */
+ /* format 0 USHORT must be 13 */
+ /* reserved 2 USHORT reserved */
+ /* length 4 ULONG length in bytes */
+ /* language 8 ULONG Mac language code */
+ /* count 12 ULONG number of groups */
+ /* 16 */
+ /* */
+ /* This header is followed by `count' groups of the following format: */
+ /* */
+ /* start 0 ULONG first charcode */
+ /* end 4 ULONG last charcode */
+ /* glyphId 8 ULONG glyph ID for the whole group */
+ /* */
+
+#ifdef TT_CONFIG_CMAP_FORMAT_13
+
+ typedef struct TT_CMap13Rec_
+ {
+ TT_CMapRec cmap;
+ FT_Bool valid;
+ FT_ULong cur_charcode;
+ FT_UInt cur_gindex;
+ FT_ULong cur_group;
+ FT_ULong num_groups;
+
+ } TT_CMap13Rec, *TT_CMap13;
+
+
+ FT_CALLBACK_DEF( FT_Error )
+ tt_cmap13_init( TT_CMap13 cmap,
+ FT_Byte* table )
+ {
+ cmap->cmap.data = table;
+
+ table += 12;
+ cmap->num_groups = FT_PEEK_ULONG( table );
+
+ cmap->valid = 0;
+
+ return SFNT_Err_Ok;
+ }
+
+
+ FT_CALLBACK_DEF( FT_Error )
+ tt_cmap13_validate( FT_Byte* table,
+ FT_Validator valid )
+ {
+ FT_Byte* p;
+ FT_ULong length;
+ FT_ULong num_groups;
+
+
+ if ( table + 16 > valid->limit )
+ FT_INVALID_TOO_SHORT;
+
+ p = table + 4;
+ length = TT_NEXT_ULONG( p );
+
+ p = table + 12;
+ num_groups = TT_NEXT_ULONG( p );
+
+ if ( length > (FT_ULong)( valid->limit - table ) ||
+ length < 16 + 12 * num_groups )
+ FT_INVALID_TOO_SHORT;
+
+ /* check groups, they must be in increasing order */
+ {
+ FT_ULong n, start, end, glyph_id, last = 0;
+
+
+ for ( n = 0; n < num_groups; n++ )
+ {
+ start = TT_NEXT_ULONG( p );
+ end = TT_NEXT_ULONG( p );
+ glyph_id = TT_NEXT_ULONG( p );
+
+ if ( start > end )
+ FT_INVALID_DATA;
+
+ if ( n > 0 && start <= last )
+ FT_INVALID_DATA;
+
+ if ( valid->level >= FT_VALIDATE_TIGHT )
+ {
+ if ( glyph_id >= TT_VALID_GLYPH_COUNT( valid ) )
+ FT_INVALID_GLYPH_ID;
+ }
+
+ last = end;
+ }
+ }
+
+ return SFNT_Err_Ok;
+ }
+
+
+ /* search the index of the charcode next to cmap->cur_charcode */
+ /* cmap->cur_group should be set up properly by caller */
+ /* */
+ static void
+ tt_cmap13_next( TT_CMap13 cmap )
+ {
+ FT_Byte* p;
+ FT_ULong start, end, glyph_id, char_code;
+ FT_ULong n;
+ FT_UInt gindex;
+
+
+ if ( cmap->cur_charcode >= 0xFFFFFFFFUL )
+ goto Fail;
+
+ char_code = cmap->cur_charcode + 1;
+
+ n = cmap->cur_group;
+
+ for ( n = cmap->cur_group; n < cmap->num_groups; n++ )
+ {
+ p = cmap->cmap.data + 16 + 12 * n;
+ start = TT_NEXT_ULONG( p );
+ end = TT_NEXT_ULONG( p );
+ glyph_id = TT_PEEK_ULONG( p );
+
+ if ( char_code < start )
+ char_code = start;
+
+ if ( char_code <= end )
+ {
+ gindex = (FT_UInt)glyph_id;
+
+ if ( gindex )
+ {
+ cmap->cur_charcode = char_code;;
+ cmap->cur_gindex = gindex;
+ cmap->cur_group = n;
+
+ return;
+ }
+ }
+ }
+
+ Fail:
+ cmap->valid = 0;
+ }
+
+
+ static FT_UInt
+ tt_cmap13_char_map_binary( TT_CMap cmap,
+ FT_UInt32* pchar_code,
+ FT_Bool next )
+ {
+ FT_UInt gindex = 0;
+ FT_Byte* p = cmap->data + 12;
+ FT_UInt32 num_groups = TT_PEEK_ULONG( p );
+ FT_UInt32 char_code = *pchar_code;
+ FT_UInt32 start, end;
+ FT_UInt32 max, min, mid;
+
+
+ if ( !num_groups )
+ return 0;
+
+ /* make compiler happy */
+ mid = num_groups;
+ end = 0xFFFFFFFFUL;
+
+ if ( next )
+ char_code++;
+
+ min = 0;
+ max = num_groups;
+
+ /* binary search */
+ while ( min < max )
+ {
+ mid = ( min + max ) >> 1;
+ p = cmap->data + 16 + 12 * mid;
+
+ start = TT_NEXT_ULONG( p );
+ end = TT_NEXT_ULONG( p );
+
+ if ( char_code < start )
+ max = mid;
+ else if ( char_code > end )
+ min = mid + 1;
+ else
+ {
+ gindex = (FT_UInt)TT_PEEK_ULONG( p );
+
+ break;
+ }
+ }
+
+ if ( next )
+ {
+ TT_CMap13 cmap13 = (TT_CMap13)cmap;
+
+
+ /* if `char_code' is not in any group, then `mid' is */
+ /* the group nearest to `char_code' */
+ /* */
+
+ if ( char_code > end )
+ {
+ mid++;
+ if ( mid == num_groups )
+ return 0;
+ }
+
+ cmap13->valid = 1;
+ cmap13->cur_charcode = char_code;
+ cmap13->cur_group = mid;
+
+ if ( !gindex )
+ {
+ tt_cmap13_next( cmap13 );
+
+ if ( cmap13->valid )
+ gindex = cmap13->cur_gindex;
+ }
+ else
+ cmap13->cur_gindex = gindex;
+
+ if ( gindex )
+ *pchar_code = cmap13->cur_charcode;
+ }
+
+ return gindex;
+ }
+
+
+ FT_CALLBACK_DEF( FT_UInt )
+ tt_cmap13_char_index( TT_CMap cmap,
+ FT_UInt32 char_code )
+ {
+ return tt_cmap13_char_map_binary( cmap, &char_code, 0 );
+ }
+
+
+ FT_CALLBACK_DEF( FT_UInt32 )
+ tt_cmap13_char_next( TT_CMap cmap,
+ FT_UInt32 *pchar_code )
+ {
+ TT_CMap13 cmap13 = (TT_CMap13)cmap;
+ FT_UInt gindex;
+
+
+ if ( cmap13->cur_charcode >= 0xFFFFFFFFUL )
+ return 0;
+
+ /* no need to search */
+ if ( cmap13->valid && cmap13->cur_charcode == *pchar_code )
+ {
+ tt_cmap13_next( cmap13 );
+ if ( cmap13->valid )
+ {
+ gindex = cmap13->cur_gindex;
+ if ( gindex )
+ *pchar_code = cmap13->cur_charcode;
+ }
+ else
+ gindex = 0;
+ }
+ else
+ gindex = tt_cmap13_char_map_binary( cmap, pchar_code, 1 );
+
+ return gindex;
+ }
+
+
+ FT_CALLBACK_DEF( FT_Error )
+ tt_cmap13_get_info( TT_CMap cmap,
+ TT_CMapInfo *cmap_info )
+ {
+ FT_Byte* p = cmap->data + 8;
+
+
+ cmap_info->format = 13;
+ cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p );
+
+ return SFNT_Err_Ok;
+ }
+
+
+ FT_CALLBACK_TABLE_DEF
+ const TT_CMap_ClassRec tt_cmap13_class_rec =
+ {
+ {
+ sizeof ( TT_CMap13Rec ),
+
+ (FT_CMap_InitFunc) tt_cmap13_init,
+ (FT_CMap_DoneFunc) NULL,
+ (FT_CMap_CharIndexFunc)tt_cmap13_char_index,
+ (FT_CMap_CharNextFunc) tt_cmap13_char_next,
+
+ NULL, NULL, NULL, NULL, NULL
+ },
+ 13,
+ (TT_CMap_ValidateFunc) tt_cmap13_validate,
+ (TT_CMap_Info_GetFunc) tt_cmap13_get_info
};
+#endif /* TT_CONFIG_CMAP_FORMAT_13 */
-#endif /* TT_CONFIG_CMAP_FORMAT_12 */
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** FORMAT 14 *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
- static const TT_CMap_Class tt_cmap_classes[] =
+ /*************************************************************************/
+ /* */
+ /* TABLE OVERVIEW */
+ /* -------------- */
+ /* */
+ /* NAME OFFSET TYPE DESCRIPTION */
+ /* */
+ /* format 0 USHORT must be 14 */
+ /* length 2 ULONG table length in bytes */
+ /* numSelector 6 ULONG number of variation sel. records */
+ /* */
+ /* Followed by numSelector records, each of which looks like */
+ /* */
+ /* varSelector 0 UINT24 Unicode codepoint of sel. */
+ /* defaultOff 3 ULONG offset to a default UVS table */
+ /* describing any variants to be found in */
+ /* the normal Unicode subtable. */
+ /* nonDefOff 7 ULONG offset to a non-default UVS table */
+ /* describing any variants not in the */
+ /* standard cmap, with GIDs here */
+ /* (either offset may be 0 NULL) */
+ /* */
+ /* Selectors are sorted by code point. */
+ /* */
+ /* A default Unicode Variation Selector (UVS) subtable is just a list of */
+ /* ranges of code points which are to be found in the standard cmap. No */
+ /* glyph IDs (GIDs) here. */
+ /* */
+ /* numRanges 0 ULONG number of ranges following */
+ /* */
+ /* A range looks like */
+ /* */
+ /* uniStart 0 UINT24 code point of the first character in */
+ /* this range */
+ /* additionalCnt 3 UBYTE count of additional characters in this */
+ /* range (zero means a range of a single */
+ /* character) */
+ /* */
+ /* Ranges are sorted by `uniStart'. */
+ /* */
+ /* A non-default Unicode Variation Selector (UVS) subtable is a list of */
+ /* mappings from codepoint to GID. */
+ /* */
+ /* numMappings 0 ULONG number of mappings */
+ /* */
+ /* A range looks like */
+ /* */
+ /* uniStart 0 UINT24 code point of the first character in */
+ /* this range */
+ /* GID 3 USHORT and its GID */
+ /* */
+ /* Ranges are sorted by `uniStart'. */
+
+#ifdef TT_CONFIG_CMAP_FORMAT_14
+
+ typedef struct TT_CMap14Rec_
{
-#ifdef TT_CONFIG_CMAP_FORMAT_0
- &tt_cmap0_class_rec,
-#endif
+ TT_CMapRec cmap;
+ FT_ULong num_selectors;
-#ifdef TT_CONFIG_CMAP_FORMAT_2
- &tt_cmap2_class_rec,
-#endif
+ /* This array is used to store the results of various
+ * cmap 14 query functions. The data is overwritten
+ * on each call to these functions.
+ */
+ FT_UInt32 max_results;
+ FT_UInt32* results;
+ FT_Memory memory;
-#ifdef TT_CONFIG_CMAP_FORMAT_4
- &tt_cmap4_class_rec,
-#endif
+ } TT_CMap14Rec, *TT_CMap14;
-#ifdef TT_CONFIG_CMAP_FORMAT_6
- &tt_cmap6_class_rec,
-#endif
-#ifdef TT_CONFIG_CMAP_FORMAT_8
- &tt_cmap8_class_rec,
-#endif
+ FT_CALLBACK_DEF( void )
+ tt_cmap14_done( TT_CMap14 cmap )
+ {
+ FT_Memory memory = cmap->memory;
-#ifdef TT_CONFIG_CMAP_FORMAT_10
- &tt_cmap10_class_rec,
-#endif
-#ifdef TT_CONFIG_CMAP_FORMAT_12
- &tt_cmap12_class_rec,
-#endif
+ cmap->max_results = 0;
+ if ( memory != NULL && cmap->results != NULL )
+ FT_FREE( cmap->results );
+ }
+
+
+ static FT_Error
+ tt_cmap14_ensure( TT_CMap14 cmap,
+ FT_UInt32 num_results,
+ FT_Memory memory )
+ {
+ FT_UInt32 old_max = cmap->max_results;
+ FT_Error error = 0;
+
+
+ if ( num_results > cmap->max_results )
+ {
+ cmap->memory = memory;
+
+ if ( FT_QRENEW_ARRAY( cmap->results, old_max, num_results ) )
+ return error;
+
+ cmap->max_results = num_results;
+ }
+
+ return error;
+ }
+
+
+ FT_CALLBACK_DEF( FT_Error )
+ tt_cmap14_init( TT_CMap14 cmap,
+ FT_Byte* table )
+ {
+ cmap->cmap.data = table;
+
+ table += 6;
+ cmap->num_selectors = FT_PEEK_ULONG( table );
+ cmap->max_results = 0;
+ cmap->results = NULL;
+
+ return SFNT_Err_Ok;
+ }
+
+
+ FT_CALLBACK_DEF( FT_Error )
+ tt_cmap14_validate( FT_Byte* table,
+ FT_Validator valid )
+ {
+ FT_Byte* p = table + 2;
+ FT_ULong length = TT_NEXT_ULONG( p );
+ FT_ULong num_selectors = TT_NEXT_ULONG( p );
+
+
+ if ( length > (FT_ULong)( valid->limit - table ) ||
+ length < 10 + 11 * num_selectors )
+ FT_INVALID_TOO_SHORT;
+
+ /* check selectors, they must be in increasing order */
+ {
+ /* we start lastVarSel at 1 because a variant selector value of 0
+ * isn't valid.
+ */
+ FT_ULong n, lastVarSel = 1;
+
+
+ for ( n = 0; n < num_selectors; n++ )
+ {
+ FT_ULong varSel = TT_NEXT_UINT24( p );
+ FT_ULong defOff = TT_NEXT_ULONG( p );
+ FT_ULong nondefOff = TT_NEXT_ULONG( p );
+
+
+ if ( defOff >= length || nondefOff >= length )
+ FT_INVALID_TOO_SHORT;
+
+ if ( varSel < lastVarSel )
+ FT_INVALID_DATA;
+
+ lastVarSel = varSel + 1;
+
+ /* check the default table (these glyphs should be reached */
+ /* through the normal Unicode cmap, no GIDs, just check order) */
+ if ( defOff != 0 )
+ {
+ FT_Byte* defp = table + defOff;
+ FT_ULong numRanges = TT_NEXT_ULONG( defp );
+ FT_ULong i;
+ FT_ULong lastBase = 0;
+
+
+ if ( defp + numRanges * 4 > valid->limit )
+ FT_INVALID_TOO_SHORT;
+
+ for ( i = 0; i < numRanges; ++i )
+ {
+ FT_ULong base = TT_NEXT_UINT24( defp );
+ FT_ULong cnt = FT_NEXT_BYTE( defp );
+
+
+ if ( base + cnt >= 0x110000UL ) /* end of Unicode */
+ FT_INVALID_DATA;
+
+ if ( base < lastBase )
+ FT_INVALID_DATA;
+
+ lastBase = base + cnt + 1U;
+ }
+ }
+
+ /* and the non-default table (these glyphs are specified here) */
+ if ( nondefOff != 0 ) {
+ FT_Byte* ndp = table + nondefOff;
+ FT_ULong numMappings = TT_NEXT_ULONG( ndp );
+ FT_ULong i, lastUni = 0;
+
+
+ if ( numMappings * 4 > (FT_ULong)( valid->limit - ndp ) )
+ FT_INVALID_TOO_SHORT;
+
+ for ( i = 0; i < numMappings; ++i )
+ {
+ FT_ULong uni = TT_NEXT_UINT24( ndp );
+ FT_ULong gid = TT_NEXT_USHORT( ndp );
+
+
+ if ( uni >= 0x110000UL ) /* end of Unicode */
+ FT_INVALID_DATA;
+
+ if ( uni < lastUni )
+ FT_INVALID_DATA;
+
+ lastUni = uni + 1U;
+
+ if ( valid->level >= FT_VALIDATE_TIGHT &&
+ gid >= TT_VALID_GLYPH_COUNT( valid ) )
+ FT_INVALID_GLYPH_ID;
+ }
+ }
+ }
+ }
+
+ return SFNT_Err_Ok;
+ }
+
+
+ FT_CALLBACK_DEF( FT_UInt )
+ tt_cmap14_char_index( TT_CMap cmap,
+ FT_UInt32 char_code )
+ {
+ FT_UNUSED( cmap );
+ FT_UNUSED( char_code );
+
+ /* This can't happen */
+ return 0;
+ }
+
+
+ FT_CALLBACK_DEF( FT_UInt32 )
+ tt_cmap14_char_next( TT_CMap cmap,
+ FT_UInt32 *pchar_code )
+ {
+ FT_UNUSED( cmap );
+
+ /* This can't happen */
+ *pchar_code = 0;
+ return 0;
+ }
+
+
+ FT_CALLBACK_DEF( FT_Error )
+ tt_cmap14_get_info( TT_CMap cmap,
+ TT_CMapInfo *cmap_info )
+ {
+ FT_UNUSED( cmap );
+
+ cmap_info->format = 14;
+ /* subtable 14 does not define a language field */
+ cmap_info->language = 0xFFFFFFFFUL;
+
+ return SFNT_Err_Ok;
+ }
+
+
+ static FT_UInt
+ tt_cmap14_char_map_def_binary( FT_Byte *base,
+ FT_UInt32 char_code )
+ {
+ FT_UInt32 numRanges = TT_PEEK_ULONG( base );
+ FT_UInt32 max, min;
+
+
+ min = 0;
+ max = numRanges;
+
+ base += 4;
+
+ /* binary search */
+ while ( min < max )
+ {
+ FT_UInt32 mid = ( min + max ) >> 1;
+ FT_Byte* p = base + 4 * mid;
+ FT_ULong start = TT_NEXT_UINT24( p );
+ FT_UInt cnt = FT_NEXT_BYTE( p );
+
+
+ if ( char_code < start )
+ max = mid;
+ else if ( char_code > start+cnt )
+ min = mid + 1;
+ else
+ return TRUE;
+ }
+
+ return FALSE;
+ }
+
+
+ static FT_UInt
+ tt_cmap14_char_map_nondef_binary( FT_Byte *base,
+ FT_UInt32 char_code )
+ {
+ FT_UInt32 numMappings = TT_PEEK_ULONG( base );
+ FT_UInt32 max, min;
+
+
+ min = 0;
+ max = numMappings;
+
+ base += 4;
+
+ /* binary search */
+ while ( min < max )
+ {
+ FT_UInt32 mid = ( min + max ) >> 1;
+ FT_Byte* p = base + 5 * mid;
+ FT_UInt32 uni = (FT_UInt32)TT_NEXT_UINT24( p );
+
+
+ if ( char_code < uni )
+ max = mid;
+ else if ( char_code > uni )
+ min = mid + 1;
+ else
+ return TT_PEEK_USHORT( p );
+ }
+
+ return 0;
+ }
+
+
+ static FT_Byte*
+ tt_cmap14_find_variant( FT_Byte *base,
+ FT_UInt32 variantCode )
+ {
+ FT_UInt32 numVar = TT_PEEK_ULONG( base );
+ FT_UInt32 max, min;
+
+
+ min = 0;
+ max = numVar;
+
+ base += 4;
+
+ /* binary search */
+ while ( min < max )
+ {
+ FT_UInt32 mid = ( min + max ) >> 1;
+ FT_Byte* p = base + 11 * mid;
+ FT_ULong varSel = TT_NEXT_UINT24( p );
+
+
+ if ( variantCode < varSel )
+ max = mid;
+ else if ( variantCode > varSel )
+ min = mid + 1;
+ else
+ return p;
+ }
+
+ return NULL;
+ }
+
+
+ FT_CALLBACK_DEF( FT_UInt )
+ tt_cmap14_char_var_index( TT_CMap cmap,
+ TT_CMap ucmap,
+ FT_UInt32 charcode,
+ FT_UInt32 variantSelector)
+ {
+ FT_Byte* p = tt_cmap14_find_variant( cmap->data + 6, variantSelector );
+ FT_ULong defOff;
+ FT_ULong nondefOff;
+
+
+ if ( !p )
+ return 0;
+
+ defOff = TT_NEXT_ULONG( p );
+ nondefOff = TT_PEEK_ULONG( p );
+
+ if ( defOff != 0 &&
+ tt_cmap14_char_map_def_binary( cmap->data + defOff, charcode ) )
+ {
+ /* This is the default variant of this charcode. GID not stored */
+ /* here; stored in the normal Unicode charmap instead. */
+ return ucmap->cmap.clazz->char_index( &ucmap->cmap, charcode );
+ }
+
+ if ( nondefOff != 0 )
+ return tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff,
+ charcode );
+
+ return 0;
+ }
+
+
+ FT_CALLBACK_DEF( FT_Int )
+ tt_cmap14_char_var_isdefault( TT_CMap cmap,
+ FT_UInt32 charcode,
+ FT_UInt32 variantSelector )
+ {
+ FT_Byte* p = tt_cmap14_find_variant( cmap->data + 6, variantSelector );
+ FT_ULong defOff;
+ FT_ULong nondefOff;
+
+
+ if ( !p )
+ return -1;
+
+ defOff = TT_NEXT_ULONG( p );
+ nondefOff = TT_NEXT_ULONG( p );
+
+ if ( defOff != 0 &&
+ tt_cmap14_char_map_def_binary( cmap->data + defOff, charcode ) )
+ return 1;
+
+ if ( nondefOff != 0 &&
+ tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff,
+ charcode ) != 0 )
+ return 0;
+
+ return -1;
+ }
+
+
+ FT_CALLBACK_DEF( FT_UInt32* )
+ tt_cmap14_variants( TT_CMap cmap,
+ FT_Memory memory )
+ {
+ TT_CMap14 cmap14 = (TT_CMap14)cmap;
+ FT_UInt32 count = cmap14->num_selectors;
+ FT_Byte* p = cmap->data + 10;
+ FT_UInt32* result;
+ FT_UInt32 i;
+
+
+ if ( tt_cmap14_ensure( cmap14, ( count + 1 ), memory ) )
+ return NULL;
+
+ result = cmap14->results;
+ for ( i = 0; i < count; ++i )
+ {
+ result[i] = (FT_UInt32)TT_NEXT_UINT24( p );
+ p += 8;
+ }
+ result[i] = 0;
+
+ return result;
+ }
+
+
+ FT_CALLBACK_DEF( FT_UInt32 * )
+ tt_cmap14_char_variants( TT_CMap cmap,
+ FT_Memory memory,
+ FT_UInt32 charCode )
+ {
+ TT_CMap14 cmap14 = (TT_CMap14) cmap;
+ FT_UInt32 count = cmap14->num_selectors;
+ FT_Byte* p = cmap->data + 10;
+ FT_UInt32* q;
+
+
+ if ( tt_cmap14_ensure( cmap14, ( count + 1 ), memory ) )
+ return NULL;
+
+ for ( q = cmap14->results; count > 0; --count )
+ {
+ FT_UInt32 varSel = TT_NEXT_UINT24( p );
+ FT_ULong defOff = TT_NEXT_ULONG( p );
+ FT_ULong nondefOff = TT_NEXT_ULONG( p );
+
+
+ if ( ( defOff != 0 &&
+ tt_cmap14_char_map_def_binary( cmap->data + defOff,
+ charCode ) ) ||
+ ( nondefOff != 0 &&
+ tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff,
+ charCode ) != 0 ) )
+ {
+ q[0] = varSel;
+ q++;
+ }
+ }
+ q[0] = 0;
+
+ return cmap14->results;
+ }
+
+
+ static FT_UInt
+ tt_cmap14_def_char_count( FT_Byte *p )
+ {
+ FT_UInt32 numRanges = (FT_UInt32)TT_NEXT_ULONG( p );
+ FT_UInt tot = 0;
+
+
+ p += 3; /* point to the first `cnt' field */
+ for ( ; numRanges > 0; numRanges-- )
+ {
+ tot += 1 + p[0];
+ p += 4;
+ }
+
+ return tot;
+ }
+
+
+ static FT_UInt32*
+ tt_cmap14_get_def_chars( TT_CMap cmap,
+ FT_Byte* p,
+ FT_Memory memory )
+ {
+ TT_CMap14 cmap14 = (TT_CMap14) cmap;
+ FT_UInt32 numRanges;
+ FT_UInt cnt;
+ FT_UInt32* q;
+
+
+ cnt = tt_cmap14_def_char_count( p );
+ numRanges = (FT_UInt32)TT_NEXT_ULONG( p );
+
+ if ( tt_cmap14_ensure( cmap14, ( cnt + 1 ), memory ) )
+ return NULL;
+
+ for ( q = cmap14->results; numRanges > 0; --numRanges )
+ {
+ FT_UInt32 uni = (FT_UInt32)TT_NEXT_UINT24( p );
+
+
+ cnt = FT_NEXT_BYTE( p ) + 1;
+ do
+ {
+ q[0] = uni;
+ uni += 1;
+ q += 1;
+ } while ( --cnt != 0 );
+ }
+ q[0] = 0;
+
+ return cmap14->results;
+ }
+
+ static FT_UInt32*
+ tt_cmap14_get_nondef_chars( TT_CMap cmap,
+ FT_Byte *p,
+ FT_Memory memory )
+ {
+ TT_CMap14 cmap14 = (TT_CMap14) cmap;
+ FT_UInt32 numMappings;
+ FT_UInt i;
+ FT_UInt32 *ret;
+
+
+ numMappings = (FT_UInt32)TT_NEXT_ULONG( p );
+
+ if ( tt_cmap14_ensure( cmap14, ( numMappings + 1 ), memory ) )
+ return NULL;
+
+ ret = cmap14->results;
+ for ( i = 0; i < numMappings; ++i )
+ {
+ ret[i] = (FT_UInt32)TT_NEXT_UINT24( p );
+ p += 2;
+ }
+ ret[i] = 0;
+
+ return ret;
+ }
+
+
+ FT_CALLBACK_DEF( FT_UInt32 * )
+ tt_cmap14_variant_chars( TT_CMap cmap,
+ FT_Memory memory,
+ FT_UInt32 variantSelector )
+ {
+ FT_Byte *p = tt_cmap14_find_variant( cmap->data + 6,
+ variantSelector );
+ FT_UInt32 *ret;
+ FT_Int i;
+ FT_ULong defOff;
+ FT_ULong nondefOff;
+
+
+ if ( !p )
+ return NULL;
+
+ defOff = TT_NEXT_ULONG( p );
+ nondefOff = TT_NEXT_ULONG( p );
+
+ if ( defOff == 0 && nondefOff == 0 )
+ return NULL;
+
+ if ( defOff == 0 )
+ return tt_cmap14_get_nondef_chars( cmap, cmap->data + nondefOff,
+ memory );
+ else if ( nondefOff == 0 )
+ return tt_cmap14_get_def_chars( cmap, cmap->data + defOff,
+ memory );
+ else
+ {
+ /* Both a default and a non-default glyph set? That's probably not */
+ /* good font design, but the spec allows for it... */
+ TT_CMap14 cmap14 = (TT_CMap14) cmap;
+ FT_UInt32 numRanges;
+ FT_UInt32 numMappings;
+ FT_UInt32 duni;
+ FT_UInt32 dcnt;
+ FT_UInt32 nuni;
+ FT_Byte* dp;
+ FT_UInt di, ni, k;
+
+
+ p = cmap->data + nondefOff;
+ dp = cmap->data + defOff;
+
+ numMappings = (FT_UInt32)TT_NEXT_ULONG( p );
+ dcnt = tt_cmap14_def_char_count( dp );
+ numRanges = (FT_UInt32)TT_NEXT_ULONG( dp );
+
+ if ( numMappings == 0 )
+ return tt_cmap14_get_def_chars( cmap, cmap->data + defOff,
+ memory );
+ if ( dcnt == 0 )
+ return tt_cmap14_get_nondef_chars( cmap, cmap->data + nondefOff,
+ memory );
+
+ if ( tt_cmap14_ensure( cmap14, ( dcnt + numMappings + 1 ), memory ) )
+ return NULL;
+
+ ret = cmap14->results;
+ duni = (FT_UInt32)TT_NEXT_UINT24( dp );
+ dcnt = FT_NEXT_BYTE( dp );
+ di = 1;
+ nuni = (FT_UInt32)TT_NEXT_UINT24( p );
+ p += 2;
+ ni = 1;
+ i = 0;
+
+ for ( ;; )
+ {
+ if ( nuni > duni + dcnt )
+ {
+ for ( k = 0; k <= dcnt; ++k )
+ ret[i++] = duni + k;
+
+ ++di;
+
+ if ( di > numRanges )
+ break;
+
+ duni = (FT_UInt32)TT_NEXT_UINT24( dp );
+ dcnt = FT_NEXT_BYTE( dp );
+ }
+ else
+ {
+ if ( nuni < duni )
+ ret[i++] = nuni;
+ /* If it is within the default range then ignore it -- */
+ /* that should not have happened */
+ ++ni;
+ if ( ni > numMappings )
+ break;
+
+ nuni = (FT_UInt32)TT_NEXT_UINT24( p );
+ p += 2;
+ }
+ }
+
+ if ( ni <= numMappings )
+ {
+ /* If we get here then we have run out of all default ranges. */
+ /* We have read one non-default mapping which we haven't stored */
+ /* and there may be others that need to be read. */
+ ret[i++] = nuni;
+ while ( ni < numMappings )
+ {
+ ret[i++] = (FT_UInt32)TT_NEXT_UINT24( p );
+ p += 2;
+ ++ni;
+ }
+ }
+ else if ( di <= numRanges )
+ {
+ /* If we get here then we have run out of all non-default */
+ /* mappings. We have read one default range which we haven't */
+ /* stored and there may be others that need to be read. */
+ for ( k = 0; k <= dcnt; ++k )
+ ret[i++] = duni + k;
+
+ while ( di < numRanges )
+ {
+ duni = (FT_UInt32)TT_NEXT_UINT24( dp );
+ dcnt = FT_NEXT_BYTE( dp );
+
+ for ( k = 0; k <= dcnt; ++k )
+ ret[i++] = duni + k;
+ ++di;
+ }
+ }
+
+ ret[i] = 0;
+
+ return ret;
+ }
+ }
+
+
+ FT_DEFINE_TT_CMAP(tt_cmap14_class_rec,
+ sizeof ( TT_CMap14Rec ),
+
+ (FT_CMap_InitFunc) tt_cmap14_init,
+ (FT_CMap_DoneFunc) tt_cmap14_done,
+ (FT_CMap_CharIndexFunc)tt_cmap14_char_index,
+ (FT_CMap_CharNextFunc) tt_cmap14_char_next,
+
+ /* Format 14 extension functions */
+ (FT_CMap_CharVarIndexFunc) tt_cmap14_char_var_index,
+ (FT_CMap_CharVarIsDefaultFunc)tt_cmap14_char_var_isdefault,
+ (FT_CMap_VariantListFunc) tt_cmap14_variants,
+ (FT_CMap_CharVariantListFunc) tt_cmap14_char_variants,
+ (FT_CMap_VariantCharListFunc) tt_cmap14_variant_chars
+ ,
+ 14,
+ (TT_CMap_ValidateFunc)tt_cmap14_validate,
+ (TT_CMap_Info_GetFunc)tt_cmap14_get_info
+ )
+
+#endif /* TT_CONFIG_CMAP_FORMAT_14 */
+
+
+#ifndef FT_CONFIG_OPTION_PIC
+
+ static const TT_CMap_Class tt_cmap_classes[] =
+ {
+#define TTCMAPCITEM(a) &a,
+#include "ttcmapc.h"
NULL,
};
+#else /*FT_CONFIG_OPTION_PIC*/
+
+ void FT_Destroy_Class_tt_cmap_classes(FT_Library library, TT_CMap_Class* clazz)
+ {
+ FT_Memory memory = library->memory;
+ if ( clazz )
+ FT_FREE( clazz );
+ }
+
+ FT_Error FT_Create_Class_tt_cmap_classes(FT_Library library, TT_CMap_Class** output_class)
+ {
+ TT_CMap_Class* clazz;
+ TT_CMap_ClassRec* recs;
+ FT_Error error;
+ FT_Memory memory = library->memory;
+ int i = 0;
+
+#define TTCMAPCITEM(a) i++;
+#include "ttcmapc.h"
+
+ /* allocate enough space for both the pointers +terminator and the class instances */
+ if ( FT_ALLOC( clazz, sizeof(*clazz)*(i+1)+sizeof(TT_CMap_ClassRec)*i ) )
+ return error;
+
+ /* the location of the class instances follows the array of pointers */
+ recs = (TT_CMap_ClassRec*) (((char*)clazz)+(sizeof(*clazz)*(i+1)));
+ i=0;
+
+#undef TTCMAPCITEM
+#define TTCMAPCITEM(a) \
+ FT_Init_Class_##a(&recs[i]); \
+ clazz[i] = &recs[i]; \
+ i++;
+#include "ttcmapc.h"
+
+ clazz[i] = NULL;
+
+ *output_class = clazz;
+ return FT_Err_Ok;
+ }
+
+#endif /*FT_CONFIG_OPTION_PIC*/
+
/* parse the `cmap' table and build the corresponding TT_CMap objects */
/* in the current face */
@@ -2256,6 +3394,8 @@
FT_Byte* limit = table + face->cmap_size;
FT_UInt volatile num_cmaps;
FT_Byte* volatile p = table;
+ FT_Library library = FT_FACE_LIBRARY(face);
+ FT_UNUSED(library);
if ( p + 4 > limit )
@@ -2265,7 +3405,8 @@
if ( TT_NEXT_USHORT( p ) != 0 )
{
p -= 2;
- FT_ERROR(( "tt_face_build_cmaps: unsupported `cmap' table format = %d\n",
+ FT_ERROR(( "tt_face_build_cmaps:"
+ " unsupported `cmap' table format = %d\n",
TT_PEEK_USHORT( p ) ));
return SFNT_Err_Invalid_Table;
}
@@ -2288,7 +3429,7 @@
{
FT_Byte* volatile cmap = table + offset;
volatile FT_UInt format = TT_PEEK_USHORT( cmap );
- const TT_CMap_Class* volatile pclazz = tt_cmap_classes;
+ const TT_CMap_Class* volatile pclazz = FT_TT_CMAP_CLASSES_GET;
TT_CMap_Class volatile clazz;
@@ -2318,6 +3459,10 @@
FT_CMap ttcmap;
+ /* It might make sense to store the single variation selector */
+ /* cmap somewhere special. But it would have to be in the */
+ /* public FT_FaceRec, and we can't change that. */
+
if ( !FT_CMap_New( (FT_CMap_Class)clazz,
cmap, &charmap, &ttcmap ) )
{
@@ -2328,12 +3473,18 @@
}
else
{
- FT_ERROR(( "tt_face_build_cmaps:" ));
- FT_ERROR(( " broken cmap sub-table ignored!\n" ));
+ FT_TRACE0(( "tt_face_build_cmaps:"
+ " broken cmap sub-table ignored\n" ));
}
break;
}
}
+
+ if ( *pclazz == NULL )
+ {
+ FT_TRACE0(( "tt_face_build_cmaps:"
+ " unsupported cmap sub-table ignored\n" ));
+ }
}
}
diff --git a/src/freetype2/sfnt/ttcmap.h b/src/freetype2/sfnt/ttcmap.h
index a10a3e2..15a4a21 100644
--- a/src/freetype2/sfnt/ttcmap.h
+++ b/src/freetype2/sfnt/ttcmap.h
@@ -55,6 +55,46 @@ FT_BEGIN_HEADER
} TT_CMap_ClassRec;
+#ifndef FT_CONFIG_OPTION_PIC
+
+#define FT_DEFINE_TT_CMAP(class_, size_, init_, done_, char_index_, \
+ char_next_, char_var_index_, char_var_default_, variant_list_, \
+ charvariant_list_,variantchar_list_, \
+ format_, validate_, get_cmap_info_) \
+ FT_CALLBACK_TABLE_DEF \
+ const TT_CMap_ClassRec class_ = \
+ { \
+ {size_, init_, done_, char_index_, \
+ char_next_, char_var_index_, char_var_default_, variant_list_, \
+ charvariant_list_, variantchar_list_}, \
+ format_, validate_, get_cmap_info_ \
+ };
+
+#else /* FT_CONFIG_OPTION_PIC */
+
+#define FT_DEFINE_TT_CMAP(class_, size_, init_, done_, char_index_, \
+ char_next_, char_var_index_, char_var_default_, variant_list_, \
+ charvariant_list_,variantchar_list_, \
+ format_, validate_, get_cmap_info_) \
+ void \
+ FT_Init_Class_##class_( TT_CMap_ClassRec* clazz ) \
+ { \
+ clazz->clazz.size = size_; \
+ clazz->clazz.init = init_; \
+ clazz->clazz.done = done_; \
+ clazz->clazz.char_index = char_index_; \
+ clazz->clazz.char_next = char_next_; \
+ clazz->clazz.char_var_index = char_var_index_; \
+ clazz->clazz.char_var_default = char_var_default_; \
+ clazz->clazz.variant_list = variant_list_; \
+ clazz->clazz.charvariant_list = charvariant_list_; \
+ clazz->clazz.variantchar_list = variantchar_list_; \
+ clazz->format = format_; \
+ clazz->validate = validate_; \
+ clazz->get_cmap_info = get_cmap_info_; \
+ }
+
+#endif /* FT_CONFIG_OPTION_PIC */
typedef struct TT_ValidatorRec_
{
diff --git a/src/freetype2/sfnt/ttcmapc.h b/src/freetype2/sfnt/ttcmapc.h
new file mode 100644
index 0000000..4c9c6a5
--- /dev/null
+++ b/src/freetype2/sfnt/ttcmapc.h
@@ -0,0 +1,55 @@
+/***************************************************************************/
+/* */
+/* ttcmapc.h */
+/* */
+/* TT CMAP classes definitions (specification only). */
+/* */
+/* Copyright 2009 by */
+/* Oran Agra and Mickey Gabel. */
+/* */
+/* This file is part of the FreeType project, and may only be used, */
+/* modified, and distributed under the terms of the FreeType project */
+/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
+/* this file you indicate that you have read the license and */
+/* understand and accept it fully. */
+/* */
+/***************************************************************************/
+
+
+#ifdef TT_CONFIG_CMAP_FORMAT_0
+ TTCMAPCITEM(tt_cmap0_class_rec)
+#endif
+
+#ifdef TT_CONFIG_CMAP_FORMAT_2
+ TTCMAPCITEM(tt_cmap2_class_rec)
+#endif
+
+#ifdef TT_CONFIG_CMAP_FORMAT_4
+ TTCMAPCITEM(tt_cmap4_class_rec)
+#endif
+
+#ifdef TT_CONFIG_CMAP_FORMAT_6
+ TTCMAPCITEM(tt_cmap6_class_rec)
+#endif
+
+#ifdef TT_CONFIG_CMAP_FORMAT_8
+ TTCMAPCITEM(tt_cmap8_class_rec)
+#endif
+
+#ifdef TT_CONFIG_CMAP_FORMAT_10
+ TTCMAPCITEM(tt_cmap10_class_rec)
+#endif
+
+#ifdef TT_CONFIG_CMAP_FORMAT_12
+ TTCMAPCITEM(tt_cmap12_class_rec)
+#endif
+
+#ifdef TT_CONFIG_CMAP_FORMAT_13
+ TTCMAPCITEM(tt_cmap13_class_rec)
+#endif
+
+#ifdef TT_CONFIG_CMAP_FORMAT_14
+ TTCMAPCITEM(tt_cmap14_class_rec)
+#endif
+
+ /* END */
diff --git a/src/freetype2/sfnt/ttkern.c b/src/freetype2/sfnt/ttkern.c
index 28e52c3..c154080 100644
--- a/src/freetype2/sfnt/ttkern.c
+++ b/src/freetype2/sfnt/ttkern.c
@@ -5,7 +5,7 @@
/* Load the basic TrueType kerning table. This doesn't handle */
/* kerning data within the GPOS table at the moment. */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007 by */
+/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -22,7 +22,6 @@
#include FT_INTERNAL_STREAM_H
#include FT_TRUETYPE_TAGS_H
#include "ttkern.h"
-#include "ttload.h"
#include "sferrors.h"
@@ -60,14 +59,16 @@
if ( table_size < 4 ) /* the case of a malformed table */
{
- FT_ERROR(( "kerning table is too small - ignored\n" ));
+ FT_ERROR(( "tt_face_load_kern:"
+ " kerning table is too small - ignored\n" ));
error = SFNT_Err_Table_Missing;
goto Exit;
}
if ( FT_FRAME_EXTRACT( table_size, face->kern_table ) )
{
- FT_ERROR(( "could not extract kerning table\n" ));
+ FT_ERROR(( "tt_face_load_kern:"
+ " could not extract kerning table\n" ));
goto Exit;
}
@@ -86,7 +87,7 @@
{
FT_UInt num_pairs, length, coverage;
FT_Byte* p_next;
- FT_UInt32 mask = 1UL << nn;
+ FT_UInt32 mask = (FT_UInt32)1UL << nn;
if ( p + 6 > p_limit )
@@ -103,6 +104,9 @@
p_next += length;
+ if ( p_next > p_limit ) /* handle broken table */
+ p_next = p_limit;
+
/* only use horizontal kerning tables */
if ( ( coverage & ~8 ) != 0x0001 ||
p + 8 > p_limit )
@@ -111,8 +115,8 @@
num_pairs = FT_NEXT_USHORT( p );
p += 6;
- if ( p + 6 * num_pairs > p_limit )
- goto NextTable;
+ if ( ( p_next - p ) / 6 < (int)num_pairs ) /* handle broken count */
+ num_pairs = (FT_UInt)( ( p_next - p ) / 6 );
avail |= mask;
@@ -122,8 +126,8 @@
*/
if ( num_pairs > 0 )
{
- FT_UInt count;
- FT_UInt old_pair;
+ FT_ULong count;
+ FT_ULong old_pair;
old_pair = FT_NEXT_ULONG( p );
@@ -181,18 +185,22 @@
FT_Int result = 0;
FT_UInt count, mask = 1;
FT_Byte* p = face->kern_table;
+ FT_Byte* p_limit = p + face->kern_table_size;
p += 4;
mask = 0x0001;
- for ( count = face->num_kern_tables; count > 0; count--, mask <<= 1 )
+ for ( count = face->num_kern_tables;
+ count > 0 && p + 6 <= p_limit;
+ count--, mask <<= 1 )
{
FT_Byte* base = p;
FT_Byte* next = base;
FT_UInt version = FT_NEXT_USHORT( p );
FT_UInt length = FT_NEXT_USHORT( p );
FT_UInt coverage = FT_NEXT_USHORT( p );
+ FT_UInt num_pairs;
FT_Int value = 0;
FT_UNUSED( version );
@@ -200,21 +208,27 @@
next = base + length;
+ if ( next > p_limit ) /* handle broken table */
+ next = p_limit;
+
if ( ( face->kern_avail_bits & mask ) == 0 )
goto NextTable;
if ( p + 8 > next )
goto NextTable;
+ num_pairs = FT_NEXT_USHORT( p );
+ p += 6;
+
+ if ( ( next - p ) / 6 < (int)num_pairs ) /* handle broken count */
+ num_pairs = (FT_UInt)( ( next - p ) / 6 );
+
switch ( coverage >> 8 )
{
case 0:
{
- FT_UInt num_pairs = FT_NEXT_USHORT( p );
- FT_ULong key0 = TT_KERN_INDEX( left_glyph, right_glyph );
-
+ FT_ULong key0 = TT_KERN_INDEX( left_glyph, right_glyph );
- p += 6;
if ( face->kern_order_bits & mask ) /* binary search */
{
diff --git a/src/freetype2/sfnt/ttload.c b/src/freetype2/sfnt/ttload.c
index abe0278..f08f640 100644
--- a/src/freetype2/sfnt/ttload.c
+++ b/src/freetype2/sfnt/ttload.c
@@ -5,7 +5,7 @@
/* Load the basic TrueType tables, i.e., tables that can be either in */
/* TTF or OTF fonts (body). */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007 by */
+/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -58,6 +58,9 @@
{
TT_Table entry;
TT_Table limit;
+#ifdef FT_DEBUG_LEVEL_TRACE
+ FT_Bool zero_length = FALSE;
+#endif
FT_TRACE4(( "tt_face_lookup_table: %08p, `%c%c%c%c' -- ",
@@ -72,17 +75,28 @@
for ( ; entry < limit; entry++ )
{
- /* For compatibility with Windows, we consider 0-length */
- /* tables the same as missing tables. */
- if ( entry->Tag == tag && entry->Length != 0 )
- {
- FT_TRACE4(( "found table.\n" ));
- return entry;
+ /* For compatibility with Windows, we consider */
+ /* zero-length tables the same as missing tables. */
+ if ( entry->Tag == tag ) {
+ if ( entry->Length != 0 )
+ {
+ FT_TRACE4(( "found table.\n" ));
+ return entry;
+ }
+#ifdef FT_DEBUG_LEVEL_TRACE
+ zero_length = TRUE;
+#endif
}
}
- FT_TRACE4(( "could not find table!\n" ));
- return 0;
+#ifdef FT_DEBUG_LEVEL_TRACE
+ if ( zero_length )
+ FT_TRACE4(( "ignoring empty table\n" ));
+ else
+ FT_TRACE4(( "could not find table\n" ));
+#endif
+
+ return NULL;
}
@@ -124,7 +138,7 @@
*length = table->Length;
if ( FT_STREAM_SEEK( table->Offset ) )
- goto Exit;
+ goto Exit;
}
else
error = SFNT_Err_Table_Missing;
@@ -134,27 +148,30 @@
}
- /* Here, we */
- /* */
- /* - check that `num_tables' is valid */
- /* - look for a `head' table, check its size, and parse it to check */
- /* whether its `magic' field is correctly set */
- /* */
- /* When checking directory entries, ignore the tables `glyx' and `locx' */
- /* which are hacked-out versions of `glyf' and `loca' in some PostScript */
- /* Type 42 fonts, and which are generally invalid. */
- /* */
+ /* Here, we */
+ /* */
+ /* - check that `num_tables' is valid (and adjust it if necessary) */
+ /* */
+ /* - look for a `head' table, check its size, and parse it to check */
+ /* whether its `magic' field is correctly set */
+ /* */
+ /* - errors (except errors returned by stream handling) */
+ /* */
+ /* SFNT_Err_Unknown_File_Format: */
+ /* no table is defined in directory, it is not sfnt-wrapped */
+ /* data */
+ /* SFNT_Err_Table_Missing: */
+ /* table directory is valid, but essential tables */
+ /* (head/bhed/SING) are missing */
+ /* */
static FT_Error
check_table_dir( SFNT_Header sfnt,
FT_Stream stream )
{
- FT_Error error;
- FT_UInt nn;
- FT_UInt has_head = 0, has_sing = 0, has_meta = 0;
- FT_ULong offset = sfnt->offset + 12;
-
- const FT_ULong glyx_tag = FT_MAKE_TAG( 'g', 'l', 'y', 'x' );
- const FT_ULong locx_tag = FT_MAKE_TAG( 'l', 'o', 'c', 'x' );
+ FT_Error error;
+ FT_UInt nn, valid_entries = 0;
+ FT_UInt has_head = 0, has_sing = 0, has_meta = 0;
+ FT_ULong offset = sfnt->offset + 12;
static const FT_Frame_Field table_dir_entry_fields[] =
{
@@ -170,12 +187,8 @@
};
- if ( sfnt->num_tables == 0 ||
- offset + sfnt->num_tables * 16 > stream->size )
- return SFNT_Err_Unknown_File_Format;
-
if ( FT_STREAM_SEEK( offset ) )
- return error;
+ goto Exit;
for ( nn = 0; nn < sfnt->num_tables; nn++ )
{
@@ -183,12 +196,23 @@
if ( FT_STREAM_READ_FIELDS( table_dir_entry_fields, &table ) )
- return error;
+ {
+ nn--;
+ FT_TRACE2(( "check_table_dir:"
+ " can read only %d table%s in font (instead of %d)\n",
+ nn, nn == 1 ? "" : "s", sfnt->num_tables ));
+ sfnt->num_tables = nn;
+ break;
+ }
- if ( table.Offset + table.Length > stream->size &&
- table.Tag != glyx_tag &&
- table.Tag != locx_tag )
- return SFNT_Err_Unknown_File_Format;
+ /* we ignore invalid tables */
+ if ( table.Offset + table.Length > stream->size )
+ {
+ FT_TRACE2(( "check_table_dir: table entry %d invalid\n", nn ));
+ continue;
+ }
+ else
+ valid_entries++;
if ( table.Tag == TTAG_head || table.Tag == TTAG_bhed )
{
@@ -210,17 +234,26 @@
*
*/
if ( table.Length < 0x36 )
- return SFNT_Err_Unknown_File_Format;
+ {
+ FT_TRACE2(( "check_table_dir: `head' table too small\n" ));
+ error = SFNT_Err_Table_Missing;
+ goto Exit;
+ }
if ( FT_STREAM_SEEK( table.Offset + 12 ) ||
FT_READ_ULONG( magic ) )
- return error;
+ goto Exit;
if ( magic != 0x5F0F3CF5UL )
- return SFNT_Err_Unknown_File_Format;
+ {
+ FT_TRACE2(( "check_table_dir:"
+ " no magic number found in `head' table\n"));
+ error = SFNT_Err_Table_Missing;
+ goto Exit;
+ }
if ( FT_STREAM_SEEK( offset + ( nn + 1 ) * 16 ) )
- return error;
+ goto Exit;
}
else if ( table.Tag == TTAG_SING )
has_sing = 1;
@@ -228,11 +261,34 @@
has_meta = 1;
}
+ sfnt->num_tables = valid_entries;
+
+ if ( sfnt->num_tables == 0 )
+ {
+ FT_TRACE2(( "check_table_dir: no tables found\n" ));
+ error = SFNT_Err_Unknown_File_Format;
+ goto Exit;
+ }
+
/* if `sing' and `meta' tables are present, there is no `head' table */
if ( has_head || ( has_sing && has_meta ) )
- return SFNT_Err_Ok;
+ {
+ error = SFNT_Err_Ok;
+ goto Exit;
+ }
else
- return SFNT_Err_Unknown_File_Format;
+ {
+ FT_TRACE2(( "check_table_dir:" ));
+#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
+ FT_TRACE2(( " neither `head', `bhed', nor `sing' table found\n" ));
+#else
+ FT_TRACE2(( " neither `head' nor `sing' table found\n" ));
+#endif
+ error = SFNT_Err_Table_Missing;
+ }
+
+ Exit:
+ return error;
}
@@ -266,7 +322,7 @@
FT_Error error;
FT_Memory memory = stream->memory;
TT_TableRec* entry;
- TT_TableRec* limit;
+ FT_Int nn;
static const FT_Frame_Field offset_table_fields[] =
{
@@ -290,7 +346,7 @@
if ( FT_READ_ULONG( sfnt.format_tag ) ||
FT_STREAM_READ_FIELDS( offset_table_fields, &sfnt ) )
- return error;
+ goto Exit;
/* many fonts don't have these fields set correctly */
#if 0
@@ -301,51 +357,59 @@
/* load the table directory */
- FT_TRACE2(( "-- Tables count: %12u\n", sfnt.num_tables ));
- FT_TRACE2(( "-- Format version: %08lx\n", sfnt.format_tag ));
+ FT_TRACE2(( "-- Number of tables: %10u\n", sfnt.num_tables ));
+ FT_TRACE2(( "-- Format version: 0x%08lx\n", sfnt.format_tag ));
/* check first */
error = check_table_dir( &sfnt, stream );
if ( error )
{
- FT_TRACE2(( "tt_face_load_font_dir: invalid table directory!\n" ));
+ FT_TRACE2(( "tt_face_load_font_dir:"
+ " invalid table directory for TrueType\n" ));
- return error;
+ goto Exit;
}
face->num_tables = sfnt.num_tables;
face->format_tag = sfnt.format_tag;
if ( FT_QNEW_ARRAY( face->dir_tables, face->num_tables ) )
- return error;
+ goto Exit;
if ( FT_STREAM_SEEK( sfnt.offset + 12 ) ||
FT_FRAME_ENTER( face->num_tables * 16L ) )
- return error;
+ goto Exit;
entry = face->dir_tables;
- limit = entry + face->num_tables;
- for ( ; entry < limit; entry++ )
+ for ( nn = 0; nn < sfnt.num_tables; nn++ )
{
entry->Tag = FT_GET_TAG4();
entry->CheckSum = FT_GET_ULONG();
entry->Offset = FT_GET_LONG();
entry->Length = FT_GET_LONG();
- FT_TRACE2(( " %c%c%c%c - %08lx - %08lx\n",
- (FT_Char)( entry->Tag >> 24 ),
- (FT_Char)( entry->Tag >> 16 ),
- (FT_Char)( entry->Tag >> 8 ),
- (FT_Char)( entry->Tag ),
- entry->Offset,
- entry->Length ));
+ /* ignore invalid tables */
+ if ( entry->Offset + entry->Length > stream->size )
+ continue;
+ else
+ {
+ FT_TRACE2(( " %c%c%c%c - %08lx - %08lx\n",
+ (FT_Char)( entry->Tag >> 24 ),
+ (FT_Char)( entry->Tag >> 16 ),
+ (FT_Char)( entry->Tag >> 8 ),
+ (FT_Char)( entry->Tag ),
+ entry->Offset,
+ entry->Length ));
+ entry++;
+ }
}
FT_FRAME_EXIT();
FT_TRACE2(( "table directory loaded\n\n" ));
+ Exit:
return error;
}
@@ -618,6 +682,17 @@
if ( maxProfile->maxFunctionDefs == 0 )
maxProfile->maxFunctionDefs = 64;
+
+ /* we add 4 phantom points later */
+ if ( maxProfile->maxTwilightPoints > ( 0xFFFFU - 4 ) )
+ {
+ FT_TRACE0(( "tt_face_load_maxp:"
+ " too much twilight points in `maxp' table;\n"
+ " "
+ " some glyphs might be rendered incorrectly\n" ));
+
+ maxProfile->maxTwilightPoints = 0xFFFFU - 4;
+ }
}
FT_TRACE3(( "numGlyphs: %u\n", maxProfile->numGlyphs ));
@@ -707,7 +782,7 @@
if ( storage_start > storage_limit )
{
- FT_ERROR(( "invalid `name' table\n" ));
+ FT_ERROR(( "tt_face_load_name: invalid `name' table\n" ));
error = SFNT_Err_Name_Table_Missing;
goto Exit;
}
diff --git a/src/freetype2/sfnt/ttmtx.c b/src/freetype2/sfnt/ttmtx.c
index 286bd0c..53e6ac7 100644
--- a/src/freetype2/sfnt/ttmtx.c
+++ b/src/freetype2/sfnt/ttmtx.c
@@ -4,7 +4,7 @@
/* */
/* Load the metrics tables common to TTF and OTF fonts (body). */
/* */
-/* Copyright 2006, 2007 by */
+/* Copyright 2006, 2007, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -60,7 +60,7 @@
/* <Return> */
/* FreeType error code. 0 means success. */
/* */
-#if !defined FT_CONFIG_OPTION_OLD_INTERNALS
+#ifndef FT_CONFIG_OPTION_OLD_INTERNALS
FT_LOCAL_DEF( FT_Error )
tt_face_load_hmtx( TT_Face face,
@@ -97,7 +97,7 @@
return error;
}
-#else /* !OPTIMIZE_MEMORY || OLD_INTERNALS */
+#else /* !FT_CONFIG_OPTION_OLD_INTERNALS */
FT_LOCAL_DEF( FT_Error )
tt_face_load_hmtx( TT_Face face,
@@ -161,7 +161,9 @@
if ( num_shorts < 0 )
{
- FT_ERROR(( "%cmtx has more metrics than glyphs.\n" ));
+ FT_TRACE0(( "tt_face_load_hmtx:"
+ " %cmtx has more metrics than glyphs.\n",
+ vertical ? "v" : "h" ));
/* Adobe simply ignores this problem. So we shall do the same. */
#if 0
@@ -229,7 +231,7 @@
return error;
}
-#endif /* !OPTIMIZE_MEMORY || OLD_INTERNALS */
+#endif /* !FT_CONFIG_OPTION_OLD_INTERNALS */
/*************************************************************************/
@@ -341,7 +343,7 @@
/* */
/* advance :: The advance width resp. advance height. */
/* */
-#if !defined FT_CONFIG_OPTION_OLD_INTERNALS
+#ifndef FT_CONFIG_OPTION_OLD_INTERNALS
FT_LOCAL_DEF( FT_Error )
tt_face_get_metrics( TT_Face face,
@@ -420,7 +422,7 @@
return SFNT_Err_Ok;
}
-#else /* OLD_INTERNALS */
+#else /* !FT_CONFIG_OPTION_OLD_INTERNALS */
FT_LOCAL_DEF( FT_Error )
tt_face_get_metrics( TT_Face face,
@@ -431,7 +433,8 @@
{
void* v = &face->vertical;
void* h = &face->horizontal;
- TT_HoriHeader* header = vertical ? (TT_HoriHeader*)v : h;
+ TT_HoriHeader* header = vertical ? (TT_HoriHeader*)v
+ : (TT_HoriHeader*)h;
TT_LongMetrics longs_m;
FT_UShort k = header->number_Of_HMetrics;
@@ -459,7 +462,7 @@
return SFNT_Err_Ok;
}
-#endif /* !OPTIMIZE_MEMORY || OLD_INTERNALS */
+#endif /* !FT_CONFIG_OPTION_OLD_INTERNALS */
/* END */
diff --git a/src/freetype2/sfnt/ttpost.c b/src/freetype2/sfnt/ttpost.c
index 1e61636..aa0bf1e 100644
--- a/src/freetype2/sfnt/ttpost.c
+++ b/src/freetype2/sfnt/ttpost.c
@@ -5,7 +5,7 @@
/* Postcript name table processing for TrueType and OpenType fonts */
/* (body). */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2006, 2007 by */
+/* Copyright 1996-2001, 2002, 2003, 2006, 2007, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -29,7 +29,6 @@
#include FT_INTERNAL_STREAM_H
#include FT_TRUETYPE_TAGS_H
#include "ttpost.h"
-#include "ttload.h"
#include "sferrors.h"
@@ -62,11 +61,11 @@
/* table of Mac names. Thus, it is possible to build a version of */
/* FreeType without the Type 1 driver & PSNames module. */
-#define MAC_NAME( x ) tt_post_default_names[x]
+#define MAC_NAME( x ) ( (FT_String*)tt_post_default_names[x] )
/* the 258 default Mac PS glyph names */
- static const FT_String* tt_post_default_names[258] =
+ static const FT_String* const tt_post_default_names[258] =
{
/* 0 */
".notdef", ".null", "CR", "space", "exclam",
@@ -416,13 +415,14 @@
/* tt_face_get_ps_name */
/* */
/* <Description> */
- /* Gets the PostScript glyph name of a glyph. */
+ /* Get the PostScript glyph name of a glyph. */
/* */
/* <Input> */
/* face :: A handle to the parent face. */
/* */
/* idx :: The glyph index. */
/* */
+ /* <InOut> */
/* PSname :: The address of a string pointer. Will be NULL in case */
/* of error, otherwise it is a pointer to the glyph name. */
/* */
@@ -436,9 +436,9 @@
FT_UInt idx,
FT_String** PSname )
{
- FT_Error error;
- TT_Post_Names names;
- FT_Fixed format;
+ FT_Error error;
+ TT_Post_Names names;
+ FT_Fixed format;
#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES
FT_Service_PsCMaps psnames;
diff --git a/src/freetype2/sfnt/ttsbit.c b/src/freetype2/sfnt/ttsbit.c
index eff49da..833bb2a 100644
--- a/src/freetype2/sfnt/ttsbit.c
+++ b/src/freetype2/sfnt/ttsbit.c
@@ -4,7 +4,7 @@
/* */
/* TrueType and OpenType embedded bitmap support (body). */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007 by */
+/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -24,11 +24,11 @@
* Alas, the memory-optimized sbit loader can't be used when implementing
* the `old internals' hack
*/
-#if !defined FT_CONFIG_OPTION_OLD_INTERNALS
+#ifndef FT_CONFIG_OPTION_OLD_INTERNALS
#include "ttsbit0.c"
-#else /* !FT_CONFIG_OPTION_OLD_INTERNALS */
+#else /* FT_CONFIG_OPTION_OLD_INTERNALS */
#include <ft2build.h>
#include FT_INTERNAL_DEBUG_H
@@ -83,7 +83,8 @@
FT_Int line_bits,
FT_Bool byte_padded,
FT_Int x_offset,
- FT_Int y_offset )
+ FT_Int y_offset,
+ FT_Int source_height )
{
FT_Byte* line_buff;
FT_Int line_incr;
@@ -116,7 +117,7 @@
acc = 0; /* clear accumulator */
loaded = 0; /* no bits were loaded */
- for ( height = target->rows; height > 0; height-- )
+ for ( height = source_height; height > 0; height-- )
{
FT_Byte* cur = line_buff; /* current write cursor */
FT_Int count = line_bits; /* # of bits to extract per line */
@@ -382,8 +383,9 @@
break;
case 5:
- error = Load_SBit_Const_Metrics( range, stream ) ||
- Load_SBit_Range_Codes( range, stream, 0 );
+ error = Load_SBit_Const_Metrics( range, stream );
+ if ( !error )
+ error = Load_SBit_Range_Codes( range, stream, 0 );
break;
default:
@@ -492,7 +494,7 @@
if ( version != 0x00020000L ||
num_strikes >= 0x10000L )
{
- FT_ERROR(( "tt_face_load_sbit_strikes: invalid table version!\n" ));
+ FT_ERROR(( "tt_face_load_sbit_strikes: invalid table version\n" ));
error = SFNT_Err_Invalid_File_Format;
goto Exit;
@@ -771,7 +773,7 @@
Found:
/* return successfully! */
*arange = range;
- return 0;
+ return SFNT_Err_Ok;
}
}
@@ -1229,7 +1231,7 @@
/* the sbit blitter doesn't make a difference between pixmap */
/* depths. */
blit_sbit( map, (FT_Byte*)stream->cursor, line_bits, pad_bytes,
- x_offset * pix_bits, y_offset );
+ x_offset * pix_bits, y_offset, metrics->height );
FT_FRAME_EXIT();
}
@@ -1323,7 +1325,11 @@
range->image_format, metrics, stream );
case 8: /* compound format */
- FT_Stream_Skip( stream, 1L );
+ if ( FT_STREAM_SKIP( 1L ) )
+ {
+ error = SFNT_Err_Invalid_Stream_Skip;
+ goto Exit;
+ }
/* fallthrough */
case 9:
@@ -1495,7 +1501,7 @@
return error;
}
-#endif /* !FT_CONFIG_OPTION_OLD_INTERNALS */
+#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
/* END */
diff --git a/src/freetype2/sfnt/ttsbit.h b/src/freetype2/sfnt/ttsbit.h
index c6067c0..7ea2af1 100644
--- a/src/freetype2/sfnt/ttsbit.h
+++ b/src/freetype2/sfnt/ttsbit.h
@@ -4,7 +4,7 @@
/* */
/* TrueType and OpenType embedded bitmap support (specification). */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007 by */
+/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -45,7 +45,7 @@ FT_BEGIN_HEADER
FT_ULong strike_index,
FT_Size_Metrics* metrics );
-#if defined FT_CONFIG_OPTION_OLD_INTERNALS
+#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
FT_LOCAL( FT_Error )
tt_find_sbit_image( TT_Face face,
FT_UInt glyph_index,
diff --git a/src/freetype2/sfnt/ttsbit0.c b/src/freetype2/sfnt/ttsbit0.c
index f8adc64..38bcf21 100644
--- a/src/freetype2/sfnt/ttsbit0.c
+++ b/src/freetype2/sfnt/ttsbit0.c
@@ -5,7 +5,7 @@
/* TrueType and OpenType embedded bitmap support (body). */
/* This is a heap-optimized version. */
/* */
-/* Copyright 2005, 2006, 2007 by */
+/* Copyright 2005, 2006, 2007, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -39,65 +39,16 @@
#define FT_COMPONENT trace_ttsbit
- static const FT_Frame_Field tt_sbit_line_metrics_fields[] =
- {
-#undef FT_STRUCTURE
-#define FT_STRUCTURE TT_SBit_LineMetricsRec
-
- /* no FT_FRAME_START */
- FT_FRAME_CHAR( ascender ),
- FT_FRAME_CHAR( descender ),
- FT_FRAME_BYTE( max_width ),
-
- FT_FRAME_CHAR( caret_slope_numerator ),
- FT_FRAME_CHAR( caret_slope_denominator ),
- FT_FRAME_CHAR( caret_offset ),
-
- FT_FRAME_CHAR( min_origin_SB ),
- FT_FRAME_CHAR( min_advance_SB ),
- FT_FRAME_CHAR( max_before_BL ),
- FT_FRAME_CHAR( min_after_BL ),
- FT_FRAME_CHAR( pads[0] ),
- FT_FRAME_CHAR( pads[1] ),
- FT_FRAME_END
- };
-
- static const FT_Frame_Field tt_strike_start_fields[] =
- {
-#undef FT_STRUCTURE
-#define FT_STRUCTURE TT_SBit_StrikeRec
-
- /* no FT_FRAME_START */
- FT_FRAME_ULONG( ranges_offset ),
- FT_FRAME_SKIP_LONG,
- FT_FRAME_ULONG( num_ranges ),
- FT_FRAME_ULONG( color_ref ),
- FT_FRAME_END
- };
-
- static const FT_Frame_Field tt_strike_end_fields[] =
- {
- /* no FT_FRAME_START */
- FT_FRAME_USHORT( start_glyph ),
- FT_FRAME_USHORT( end_glyph ),
- FT_FRAME_BYTE ( x_ppem ),
- FT_FRAME_BYTE ( y_ppem ),
- FT_FRAME_BYTE ( bit_depth ),
- FT_FRAME_CHAR ( flags ),
- FT_FRAME_END
- };
-
-
FT_LOCAL_DEF( FT_Error )
tt_face_load_eblc( TT_Face face,
FT_Stream stream )
{
- FT_Error error = SFNT_Err_Ok;
- FT_Fixed version;
- FT_ULong num_strikes, table_size;
- FT_Byte* p;
- FT_Byte* p_limit;
- FT_UInt count;
+ FT_Error error = SFNT_Err_Ok;
+ FT_Fixed version;
+ FT_ULong num_strikes, table_size;
+ FT_Byte* p;
+ FT_Byte* p_limit;
+ FT_UInt count;
face->sbit_num_strikes = 0;
@@ -111,7 +62,7 @@
if ( table_size < 8 )
{
- FT_ERROR(( "%s: table too short!\n", "tt_face_load_sbit_strikes" ));
+ FT_ERROR(( "tt_face_load_sbit_strikes: table too short\n" ));
error = SFNT_Err_Invalid_File_Format;
goto Exit;
}
@@ -129,8 +80,7 @@
if ( version != 0x00020000UL || num_strikes >= 0x10000UL )
{
- FT_ERROR(( "%s: invalid table version!\n",
- "tt_face_load_sbit_strikes" ));
+ FT_ERROR(( "tt_face_load_sbit_strikes: invalid table version\n" ));
error = SFNT_Err_Invalid_File_Format;
goto Fail;
}
@@ -182,7 +132,7 @@
FT_ULong strike_index,
FT_Size_Metrics* metrics )
{
- FT_Byte* strike;
+ FT_Byte* strike;
if ( strike_index >= (FT_ULong)face->sbit_num_strikes )
@@ -207,7 +157,7 @@
}
- typedef struct
+ typedef struct TT_SBitDecoderRec_
{
TT_Face face;
FT_Stream stream;
@@ -374,14 +324,11 @@
if ( p + 5 > limit )
goto Fail;
- if ( !decoder->metrics_loaded )
- {
- metrics->height = p[0];
- metrics->width = p[1];
- metrics->horiBearingX = (FT_Char)p[2];
- metrics->horiBearingY = (FT_Char)p[3];
- metrics->horiAdvance = p[4];
- }
+ metrics->height = p[0];
+ metrics->width = p[1];
+ metrics->horiBearingX = (FT_Char)p[2];
+ metrics->horiBearingY = (FT_Char)p[3];
+ metrics->horiAdvance = p[4];
p += 5;
if ( big )
@@ -389,19 +336,16 @@
if ( p + 3 > limit )
goto Fail;
- if ( !decoder->metrics_loaded )
- {
- metrics->vertBearingX = (FT_Char)p[0];
- metrics->vertBearingY = (FT_Char)p[1];
- metrics->vertAdvance = p[2];
- }
+ metrics->vertBearingX = (FT_Char)p[0];
+ metrics->vertBearingY = (FT_Char)p[1];
+ metrics->vertAdvance = p[2];
p += 3;
}
decoder->metrics_loaded = 1;
*pp = p;
- return 0;
+ return SFNT_Err_Ok;
Fail:
return SFNT_Err_Invalid_Argument;
@@ -507,7 +451,7 @@
if ( w > 0 )
wval = (FT_UInt)( wval | ( *p++ & ( 0xFF00U >> w ) ) );
- /* all bits read and there are ( x_pos + w ) bits to be written */
+ /* all bits read and there are `x_pos + w' bits to be written */
write[0] = (FT_Byte)( write[0] | ( wval >> x_pos ) );
@@ -525,6 +469,41 @@
}
+ /*
+ * Load a bit-aligned bitmap (with pointer `p') into a line-aligned bitmap
+ * (with pointer `write'). In the example below, the width is 3 pixel,
+ * and `x_pos' is 1 pixel.
+ *
+ * p p+1
+ * | | |
+ * | 7 6 5 4 3 2 1 0 | 7 6 5 4 3 2 1 0 |...
+ * | | |
+ * +-------+ +-------+ +-------+ ...
+ * . . .
+ * . . .
+ * v . .
+ * +-------+ . .
+ * | | .
+ * | 7 6 5 4 3 2 1 0 | .
+ * | | .
+ * write . .
+ * . .
+ * v .
+ * +-------+ .
+ * | |
+ * | 7 6 5 4 3 2 1 0 |
+ * | |
+ * write+1 .
+ * .
+ * v
+ * +-------+
+ * | |
+ * | 7 6 5 4 3 2 1 0 |
+ * | |
+ * write+2
+ *
+ */
+
static FT_Error
tt_sbit_decoder_load_bit_aligned( TT_SBitDecoder decoder,
FT_Byte* p,
@@ -570,6 +549,8 @@
}
/* now do the blit */
+
+ /* adjust `line' to point to the first byte of the bitmap */
line += y_pos * pitch + ( x_pos >> 3 );
x_pos &= 7;
@@ -580,16 +561,23 @@
for ( h = height; h > 0; h--, line += pitch )
{
FT_Byte* write = line;
- FT_Int w = width;
+ FT_Int w = width;
+ /* handle initial byte (in target bitmap) specially if necessary */
if ( x_pos )
{
w = ( width < 8 - x_pos ) ? width : 8 - x_pos;
- if ( nbits < w )
+ if ( h == height )
{
- rval |= *p++;
+ rval = *p++;
+ nbits = x_pos;
+ }
+ else if ( nbits < w )
+ {
+ if ( p < limit )
+ rval |= *p++;
nbits += 8 - w;
}
else
@@ -598,12 +586,14 @@
nbits -= w;
}
- *write++ |= ( ( rval >> nbits ) & 0xFF ) & ~( 0xFF << w );
+ *write++ |= ( ( rval >> nbits ) & 0xFF ) &
+ ( ~( 0xFF << w ) << ( 8 - w - x_pos ) );
rval <<= 8;
w = width - w;
}
+ /* handle medial bytes */
for ( ; w >= 8; w -= 8 )
{
rval |= *p++;
@@ -612,11 +602,13 @@
rval <<= 8;
}
+ /* handle final byte if necessary */
if ( w > 0 )
{
if ( nbits < w )
{
- rval |= *p++;
+ if ( p < limit )
+ rval |= *p++;
*write |= ( ( rval >> nbits ) & 0xFF ) & ( 0xFF00U >> w );
nbits += 8 - w;
@@ -645,6 +637,13 @@
FT_Error error = SFNT_Err_Ok;
FT_UInt num_components, nn;
+ FT_Char horiBearingX = decoder->metrics->horiBearingX;
+ FT_Char horiBearingY = decoder->metrics->horiBearingY;
+ FT_Byte horiAdvance = decoder->metrics->horiAdvance;
+ FT_Char vertBearingX = decoder->metrics->vertBearingX;
+ FT_Char vertBearingY = decoder->metrics->vertBearingY;
+ FT_Byte vertAdvance = decoder->metrics->vertAdvance;
+
if ( p + 2 > limit )
goto Fail;
@@ -653,6 +652,13 @@
if ( p + 4 * num_components > limit )
goto Fail;
+ if ( !decoder->bitmap_allocated )
+ {
+ error = tt_sbit_decoder_alloc_bitmap( decoder );
+ if ( error )
+ goto Exit;
+ }
+
for ( nn = 0; nn < num_components; nn++ )
{
FT_UInt gindex = FT_NEXT_USHORT( p );
@@ -667,6 +673,15 @@
break;
}
+ decoder->metrics->horiBearingX = horiBearingX;
+ decoder->metrics->horiBearingY = horiBearingY;
+ decoder->metrics->horiAdvance = horiAdvance;
+ decoder->metrics->vertBearingX = vertBearingX;
+ decoder->metrics->vertBearingY = vertBearingY;
+ decoder->metrics->vertAdvance = vertAdvance;
+ decoder->metrics->width = (FT_UInt)decoder->bitmap->width;
+ decoder->metrics->height = (FT_UInt)decoder->bitmap->rows;
+
Exit:
return error;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 20:30:10 +0000