diff options
Diffstat (limited to 'nx-X11/extras/freetype2/src/sfnt')
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/Jamfile | 21 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/descrip.mms | 23 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/module.mk | 22 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/rules.mk | 73 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/sfdriver.c | 400 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/sfdriver.h | 38 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/sferrors.h | 39 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/sfnt.c | 36 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/sfobjs.c | 854 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/sfobjs.h | 54 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/ttcmap0.c | 1991 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/ttcmap0.h | 80 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/ttload.c | 1912 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/ttload.h | 137 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/ttpost.c | 521 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/ttpost.h | 46 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/ttsbit.c | 1467 | ||||
| -rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/ttsbit.h | 72 |
18 files changed, 0 insertions, 7786 deletions
diff --git a/nx-X11/extras/freetype2/src/sfnt/Jamfile b/nx-X11/extras/freetype2/src/sfnt/Jamfile deleted file mode 100644 index 257b3442c..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/Jamfile +++ /dev/null @@ -1,21 +0,0 @@ -# FreeType 2 src/sfnt Jamfile (c) 2001, 2002, 2004 David Turner -# - -SubDir FT2_TOP $(FT2_SRC_DIR) sfnt ; - -{ - local _sources ; - - if $(FT2_MULTI) - { - _sources = sfobjs sfdriver ttcmap0 ttpost ttload ttsbit ; - } - else - { - _sources = sfnt ; - } - - Library $(FT2_LIB) : $(_sources).c ; -} - -# end of src/sfnt Jamfile diff --git a/nx-X11/extras/freetype2/src/sfnt/descrip.mms b/nx-X11/extras/freetype2/src/sfnt/descrip.mms deleted file mode 100644 index 811c8b3ee..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/descrip.mms +++ /dev/null @@ -1,23 +0,0 @@ -# -# FreeType 2 SFNT driver compilation rules for VMS -# - - -# Copyright 2001, 2002 by -# David Turner, Robert Wilhelm, and Werner Lemberg. -# -# This file is part of the FreeType project, and may only be used, modified, -# and distributed under the terms of the FreeType project license, -# LICENSE.TXT. By continuing to use, modify, or distribute this file you -# indicate that you have read the license and understand and accept it -# fully. - - -CFLAGS=$(COMP_FLAGS)$(DEBUG)/include=([--.include],[--.src.sfnt]) - -OBJS=sfnt.obj - -all : $(OBJS) - library [--.lib]freetype.olb $(OBJS) - -# EOF diff --git a/nx-X11/extras/freetype2/src/sfnt/module.mk b/nx-X11/extras/freetype2/src/sfnt/module.mk deleted file mode 100644 index 52607e2af..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/module.mk +++ /dev/null @@ -1,22 +0,0 @@ -# -# FreeType 2 SFNT module definition -# - - -# Copyright 1996-2000 by -# David Turner, Robert Wilhelm, and Werner Lemberg. -# -# 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. - - -make_module_list: add_sfnt_module - -add_sfnt_module: - $(OPEN_DRIVER)sfnt_module_class$(CLOSE_DRIVER) - $(ECHO_DRIVER)sfnt $(ECHO_DRIVER_DESC)helper module for TrueType & OpenType formats$(ECHO_DRIVER_DONE) - -# EOF diff --git a/nx-X11/extras/freetype2/src/sfnt/rules.mk b/nx-X11/extras/freetype2/src/sfnt/rules.mk deleted file mode 100644 index f13238549..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/rules.mk +++ /dev/null @@ -1,73 +0,0 @@ -# -# FreeType 2 SFNT driver configuration rules -# - - -# Copyright 1996-2000, 2002, 2003 by -# David Turner, Robert Wilhelm, and Werner Lemberg. -# -# 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. - - -# SFNT driver directory -# -SFNT_DIR := $(SRC_DIR)/sfnt - - -# compilation flags for the driver -# -SFNT_COMPILE := $(FT_COMPILE) $I$(subst /,$(COMPILER_SEP),$(SFNT_DIR)) - - -# SFNT driver sources (i.e., C files) -# -SFNT_DRV_SRC := $(SFNT_DIR)/ttload.c \ - $(SFNT_DIR)/ttcmap0.c \ - $(SFNT_DIR)/ttsbit.c \ - $(SFNT_DIR)/ttpost.c \ - $(SFNT_DIR)/sfobjs.c \ - $(SFNT_DIR)/sfdriver.c - -# SFNT driver headers -# -SFNT_DRV_H := $(SFNT_DRV_SRC:%c=%h) \ - $(SFNT_DIR)/sferrors.h - - -# SFNT driver object(s) -# -# SFNT_DRV_OBJ_M is used during `multi' builds. -# SFNT_DRV_OBJ_S is used during `single' builds. -# -SFNT_DRV_OBJ_M := $(SFNT_DRV_SRC:$(SFNT_DIR)/%.c=$(OBJ_DIR)/%.$O) -SFNT_DRV_OBJ_S := $(OBJ_DIR)/sfnt.$O - -# SFNT driver source file for single build -# -SFNT_DRV_SRC_S := $(SFNT_DIR)/sfnt.c - - -# SFNT driver - single object -# -$(SFNT_DRV_OBJ_S): $(SFNT_DRV_SRC_S) $(SFNT_DRV_SRC) \ - $(FREETYPE_H) $(SFNT_DRV_H) - $(SFNT_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $(SFNT_DRV_SRC_S)) - - -# SFNT driver - multiple objects -# -$(OBJ_DIR)/%.$O: $(SFNT_DIR)/%.c $(FREETYPE_H) $(SFNT_DRV_H) - $(SFNT_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $<) - - -# update main driver object lists -# -DRV_OBJS_S += $(SFNT_DRV_OBJ_S) -DRV_OBJS_M += $(SFNT_DRV_OBJ_M) - - -# EOF diff --git a/nx-X11/extras/freetype2/src/sfnt/sfdriver.c b/nx-X11/extras/freetype2/src/sfnt/sfdriver.c deleted file mode 100644 index 7da53d2f1..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/sfdriver.c +++ /dev/null @@ -1,400 +0,0 @@ -/***************************************************************************/ -/* */ -/* sfdriver.c */ -/* */ -/* High-level SFNT driver interface (body). */ -/* */ -/* Copyright 1996-2001, 2002, 2003, 2004 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* 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_INTERNAL_SFNT_H -#include FT_INTERNAL_OBJECTS_H - -#include "sfdriver.h" -#include "ttload.h" -#include "sfobjs.h" - -#include "sferrors.h" - -#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS -#include "ttsbit.h" -#endif - -#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES -#include "ttpost.h" -#endif - -#include "ttcmap0.h" - -#include FT_SERVICE_GLYPH_DICT_H -#include FT_SERVICE_POSTSCRIPT_NAME_H -#include FT_SERVICE_SFNT_H -#include FT_SERVICE_TT_CMAP_H - - - /* - * SFNT TABLE SERVICE - * - */ - - static void* - get_sfnt_table( TT_Face face, - FT_Sfnt_Tag tag ) - { - void* table; - - - switch ( tag ) - { - case ft_sfnt_head: - table = &face->header; - break; - - case ft_sfnt_hhea: - table = &face->horizontal; - break; - - case ft_sfnt_vhea: - table = face->vertical_info ? &face->vertical : 0; - break; - - case ft_sfnt_os2: - table = face->os2.version == 0xFFFFU ? 0 : &face->os2; - break; - - case ft_sfnt_post: - table = &face->postscript; - break; - - case ft_sfnt_maxp: - table = &face->max_profile; - break; - - case ft_sfnt_pclt: - table = face->pclt.Version ? &face->pclt : 0; - break; - - default: - table = 0; - } - - return table; - } - - - static const FT_Service_SFNT_TableRec sfnt_service_sfnt_table = - { - (FT_SFNT_TableLoadFunc)tt_face_load_any, - (FT_SFNT_TableGetFunc) get_sfnt_table - }; - - -#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES - - /* - * GLYPH DICT SERVICE - * - */ - - static FT_Error - sfnt_get_glyph_name( TT_Face face, - FT_UInt glyph_index, - FT_Pointer buffer, - FT_UInt buffer_max ) - { - FT_String* gname; - FT_Error error; - - - error = tt_face_get_ps_name( face, glyph_index, &gname ); - if ( !error && buffer_max > 0 ) - { - FT_UInt len = (FT_UInt)( ft_strlen( gname ) ); - - - if ( len >= buffer_max ) - len = buffer_max - 1; - - FT_MEM_COPY( buffer, gname, len ); - ((FT_Byte*)buffer)[len] = 0; - } - - return error; - } - - - static const FT_Service_GlyphDictRec sfnt_service_glyph_dict = - { - (FT_GlyphDict_GetNameFunc) sfnt_get_glyph_name, - (FT_GlyphDict_NameIndexFunc)NULL - }; - -#endif /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */ - - - /* - * POSTSCRIPT NAME SERVICE - * - */ - - static const char* - sfnt_get_ps_name( TT_Face face ) - { - FT_Int n, found_win, found_apple; - const char* result = NULL; - - - /* shouldn't happen, but just in case to avoid memory leaks */ - if ( face->postscript_name ) - return face->postscript_name; - - /* scan the name table to see whether we have a Postscript name here, */ - /* either in Macintosh or Windows platform encodings */ - found_win = -1; - found_apple = -1; - - for ( n = 0; n < face->num_names; n++ ) - { - TT_NameEntryRec* name = face->name_table.names + n; - - - if ( name->nameID == 6 && name->stringLength > 0 ) - { - if ( name->platformID == 3 && - name->encodingID == 1 && - name->languageID == 0x409 ) - found_win = n; - - if ( name->platformID == 1 && - name->encodingID == 0 && - name->languageID == 0 ) - found_apple = n; - } - } - - if ( found_win != -1 ) - { - FT_Memory memory = face->root.memory; - TT_NameEntryRec* name = face->name_table.names + found_win; - FT_UInt len = name->stringLength / 2; - FT_Error error = SFNT_Err_Ok; - - FT_UNUSED( error ); - - - if ( !FT_ALLOC( result, name->stringLength + 1 ) ) - { - FT_Stream stream = face->name_table.stream; - FT_String* r = (FT_String*)result; - FT_Byte* p = (FT_Byte*)name->string; - - - if ( FT_STREAM_SEEK( name->stringOffset ) || - FT_FRAME_ENTER( name->stringLength ) ) - { - FT_FREE( result ); - name->stringLength = 0; - name->stringOffset = 0; - FT_FREE( name->string ); - - goto Exit; - } - - p = (FT_Byte*)stream->cursor; - - for ( ; len > 0; len--, p += 2 ) - { - if ( p[0] == 0 && p[1] >= 32 && p[1] < 128 ) - *r++ = p[1]; - } - *r = '\0'; - - FT_FRAME_EXIT(); - } - goto Exit; - } - - if ( found_apple != -1 ) - { - FT_Memory memory = face->root.memory; - TT_NameEntryRec* name = face->name_table.names + found_apple; - FT_UInt len = name->stringLength; - FT_Error error = SFNT_Err_Ok; - - FT_UNUSED( error ); - - - if ( !FT_ALLOC( result, len + 1 ) ) - { - FT_Stream stream = face->name_table.stream; - - - if ( FT_STREAM_SEEK( name->stringOffset ) || - FT_STREAM_READ( result, len ) ) - { - name->stringOffset = 0; - name->stringLength = 0; - FT_FREE( name->string ); - FT_FREE( result ); - goto Exit; - } - ((char*)result)[len] = '\0'; - } - } - - Exit: - face->postscript_name = result; - return result; - } - - static const FT_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 = - { - (TT_CMap_Info_GetFunc)tt_get_cmap_info - }; - - - /* - * 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 - { 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_UNUSED( module ); - - if ( ft_strcmp( module_interface, "get_sfnt" ) == 0 ) - return (FT_Module_Interface)get_sfnt_table; - - if ( ft_strcmp( module_interface, "load_sfnt" ) == 0 ) - return (FT_Module_Interface)tt_face_load_any; - - return ft_service_list_lookup( sfnt_services, module_interface ); - } - - - static - const SFNT_Interface sfnt_interface = - { - tt_face_goto_table, - - sfnt_init_face, - sfnt_load_face, - sfnt_done_face, - sfnt_get_interface, - - tt_face_load_any, - tt_face_load_sfnt_header, - tt_face_load_directory, - - tt_face_load_header, - tt_face_load_metrics_header, - tt_face_load_cmap, - tt_face_load_max_profile, - tt_face_load_os2, - tt_face_load_postscript, - - tt_face_load_names, - tt_face_free_names, - - tt_face_load_hdmx, - tt_face_free_hdmx, - - tt_face_load_kern, - tt_face_load_gasp, - tt_face_load_pclt, - -#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS - - /* see `ttload.h' */ - tt_face_load_bitmap_header, - - /* see `ttsbit.h' and `sfnt.h' */ - tt_face_set_sbit_strike, - tt_face_load_sbit_strikes, - tt_find_sbit_image, - tt_load_sbit_metrics, - tt_face_load_sbit_image, - tt_face_free_sbit_strikes, - -#else /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ - - 0, - 0, - 0, - 0, - 0, - 0, - 0, - -#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ - -#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES - - /* see `ttpost.h' */ - tt_face_get_ps_name, - tt_face_free_ps_names, - -#else /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */ - - 0, - 0, - -#endif /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */ - - }; - - - FT_CALLBACK_TABLE_DEF - const FT_Module_Class sfnt_module_class = - { - 0, /* not a font driver or renderer */ - sizeof( FT_ModuleRec ), - - "sfnt", /* driver name */ - 0x10000L, /* driver version 1.0 */ - 0x20000L, /* driver requires FreeType 2.0 or higher */ - - (const void*)&sfnt_interface, /* module specific interface */ - - (FT_Module_Constructor)0, - (FT_Module_Destructor) 0, - (FT_Module_Requester) sfnt_get_interface - }; - - -/* END */ diff --git a/nx-X11/extras/freetype2/src/sfnt/sfdriver.h b/nx-X11/extras/freetype2/src/sfnt/sfdriver.h deleted file mode 100644 index 92db79694..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/sfdriver.h +++ /dev/null @@ -1,38 +0,0 @@ -/***************************************************************************/ -/* */ -/* sfdriver.h */ -/* */ -/* High-level SFNT driver interface (specification). */ -/* */ -/* Copyright 1996-2001 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* 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 __SFDRIVER_H__ -#define __SFDRIVER_H__ - - -#include <ft2build.h> -#include FT_MODULE_H - - -FT_BEGIN_HEADER - - - FT_EXPORT_VAR( const FT_Module_Class ) sfnt_module_class; - - -FT_END_HEADER - -#endif /* __SFDRIVER_H__ */ - - -/* END */ diff --git a/nx-X11/extras/freetype2/src/sfnt/sferrors.h b/nx-X11/extras/freetype2/src/sfnt/sferrors.h deleted file mode 100644 index fd2736b6c..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/sferrors.h +++ /dev/null @@ -1,39 +0,0 @@ -/***************************************************************************/ -/* */ -/* sferrors.h */ -/* */ -/* SFNT error codes (specification only). */ -/* */ -/* Copyright 2001 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* 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. */ -/* */ -/***************************************************************************/ - - - /*************************************************************************/ - /* */ - /* This file is used to define the SFNT error enumeration constants. */ - /* */ - /*************************************************************************/ - -#ifndef __SFERRORS_H__ -#define __SFERRORS_H__ - -#include FT_MODULE_ERRORS_H - -#undef __FTERRORS_H__ - -#define FT_ERR_PREFIX SFNT_Err_ -#define FT_ERR_BASE FT_Mod_Err_SFNT - -#include FT_ERRORS_H - -#endif /* __SFERRORS_H__ */ - -/* END */ diff --git a/nx-X11/extras/freetype2/src/sfnt/sfnt.c b/nx-X11/extras/freetype2/src/sfnt/sfnt.c deleted file mode 100644 index 90c1bee91..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/sfnt.c +++ /dev/null @@ -1,36 +0,0 @@ -/***************************************************************************/ -/* */ -/* sfnt.c */ -/* */ -/* Single object library component. */ -/* */ -/* Copyright 1996-2001, 2002, 2003 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* 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. */ -/* */ -/***************************************************************************/ - - -#define FT_MAKE_OPTION_SINGLE_OBJECT - -#include <ft2build.h> -#include "ttload.c" -#include "ttcmap0.c" -#include "sfobjs.c" -#include "sfdriver.c" - -#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS -#include "ttsbit.c" -#endif - -#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES -#include "ttpost.c" -#endif - - -/* END */ diff --git a/nx-X11/extras/freetype2/src/sfnt/sfobjs.c b/nx-X11/extras/freetype2/src/sfnt/sfobjs.c deleted file mode 100644 index aef3f5dfb..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/sfobjs.c +++ /dev/null @@ -1,854 +0,0 @@ -/***************************************************************************/ -/* */ -/* sfobjs.c */ -/* */ -/* SFNT object management (base). */ -/* */ -/* Copyright 1996-2001, 2002, 2003, 2004 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* 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 "sfobjs.h" -#include "ttload.h" -#include "ttcmap0.h" -#include FT_INTERNAL_SFNT_H -#include FT_TRUETYPE_IDS_H -#include FT_TRUETYPE_TAGS_H -#include FT_SERVICE_POSTSCRIPT_CMAPS_H -#include "sferrors.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_sfobjs - - - - /* convert a UTF-16 name entry to ASCII */ - static FT_String* - tt_name_entry_ascii_from_utf16( TT_NameEntry entry, - FT_Memory memory ) - { - FT_String* string; - FT_UInt len, code, n; - FT_Byte* read = (FT_Byte*)entry->string; - - - len = (FT_UInt)entry->stringLength / 2; - - if ( FT_MEM_NEW_ARRAY( string, len + 1 ) ) - return NULL; - - for ( n = 0; n < len; n++ ) - { - code = FT_NEXT_USHORT( read ); - if ( code < 32 || code > 127 ) - code = '?'; - - string[n] = (char)code; - } - - string[len] = 0; - - return string; - } - - - /* convert a UCS-4 name entry to ASCII */ - static FT_String* - tt_name_entry_ascii_from_ucs4( TT_NameEntry entry, - FT_Memory memory ) - { - FT_String* string; - FT_UInt len, code, n; - FT_Byte* read = (FT_Byte*)entry->string; - - - len = (FT_UInt)entry->stringLength / 4; - - if ( FT_MEM_NEW_ARRAY( string, len + 1 ) ) - return NULL; - - for ( n = 0; n < len; n++ ) - { - code = (FT_UInt)FT_NEXT_ULONG( read ); - if ( code < 32 || code > 127 ) - code = '?'; - - string[n] = (char)code; - } - - string[len] = 0; - - return string; - } - - - /* convert an Apple Roman or symbol name entry to ASCII */ - static FT_String* - tt_name_entry_ascii_from_other( TT_NameEntry entry, - FT_Memory memory ) - { - FT_String* string; - FT_UInt len, code, n; - FT_Byte* read = (FT_Byte*)entry->string; - - - len = (FT_UInt)entry->stringLength; - - if ( FT_MEM_NEW_ARRAY( string, len + 1 ) ) - return NULL; - - for ( n = 0; n < len; n++ ) - { - code = *read++; - if ( code < 32 || code > 127 ) - code = '?'; - - string[n] = (char)code; - } - - string[len] = 0; - - return string; - } - - - typedef FT_String* (*TT_NameEntry_ConvertFunc)( TT_NameEntry entry, - FT_Memory memory ); - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_get_name */ - /* */ - /* <Description> */ - /* Returns a given ENGLISH name record in ASCII. */ - /* */ - /* <Input> */ - /* face :: A handle to the source face object. */ - /* */ - /* nameid :: The name id of the name record to return. */ - /* */ - /* <Return> */ - /* Character string. NULL if no name is present. */ - /* */ - static FT_String* - tt_face_get_name( TT_Face face, - FT_UShort nameid ) - { - FT_Memory memory = face->root.memory; - FT_String* result = NULL; - FT_UShort n; - TT_NameEntryRec* rec; - FT_Int found_apple = -1; - FT_Int found_win = -1; - FT_Int found_unicode = -1; - - FT_Bool is_english = 0; - - TT_NameEntry_ConvertFunc convert; - - - rec = face->name_table.names; - for ( n = 0; n < face->num_names; n++, rec++ ) - { - /* According to the OpenType 1.3 specification, only Microsoft or */ - /* Apple platform IDs might be used in the `name' table. The */ - /* `Unicode' platform is reserved for the `cmap' table, and the */ - /* `Iso' one is deprecated. */ - /* */ - /* However, the Apple TrueType specification doesn't say the same */ - /* thing and goes to suggest that all Unicode `name' table entries */ - /* should be coded in UTF-16 (in big-endian format I suppose). */ - /* */ - if ( rec->nameID == nameid && rec->stringLength > 0 ) - { - switch ( rec->platformID ) - { - case TT_PLATFORM_APPLE_UNICODE: - case TT_PLATFORM_ISO: - /* there is `languageID' to check there. We should use this */ - /* field only as a last solution when nothing else is */ - /* available. */ - /* */ - found_unicode = n; - break; - - case TT_PLATFORM_MACINTOSH: - if ( rec->languageID == TT_MAC_LANGID_ENGLISH ) - found_apple = n; - - break; - - case TT_PLATFORM_MICROSOFT: - /* we only take a non-English name when there is nothing */ - /* else available in the font */ - /* */ - if ( found_win == -1 || ( rec->languageID & 0x3FF ) == 0x009 ) - { - switch ( rec->encodingID ) - { - case TT_MS_ID_SYMBOL_CS: - case TT_MS_ID_UNICODE_CS: - case TT_MS_ID_UCS_4: - is_english = ( rec->languageID & 0x3FF ) == 0x009; - found_win = n; - break; - - default: - ; - } - } - break; - - default: - ; - } - } - } - - /* some fonts contain invalid Unicode or Macintosh formatted entries; */ - /* we will thus favor names encoded in Windows formats if available */ - /* (provided it is an English name) */ - /* */ - convert = NULL; - if ( found_win >= 0 && !( found_apple >= 0 && !is_english ) ) - { - rec = face->name_table.names + found_win; - switch ( rec->encodingID ) - { - case TT_MS_ID_UNICODE_CS: - case TT_MS_ID_SYMBOL_CS: - convert = tt_name_entry_ascii_from_utf16; - break; - - case TT_MS_ID_UCS_4: - convert = tt_name_entry_ascii_from_ucs4; - break; - - default: - ; - } - } - else if ( found_apple >= 0 ) - { - rec = face->name_table.names + found_apple; - convert = tt_name_entry_ascii_from_other; - } - else if ( found_unicode >= 0 ) - { - rec = face->name_table.names + found_unicode; - convert = tt_name_entry_ascii_from_utf16; - } - - if ( rec && convert ) - { - 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 ) || - FT_STREAM_READ( rec->string, rec->stringLength ) ) - { - FT_FREE( rec->string ); - rec->stringLength = 0; - result = NULL; - goto Exit; - } - } - - result = convert( rec, memory ); - } - - Exit: - return result; - } - - - static FT_Encoding - sfnt_find_encoding( int platform_id, - int encoding_id ) - { - typedef struct TEncoding - { - int platform_id; - int encoding_id; - FT_Encoding encoding; - - } TEncoding; - - static - const TEncoding tt_encodings[] = - { - { TT_PLATFORM_ISO, -1, FT_ENCODING_UNICODE }, - - { TT_PLATFORM_APPLE_UNICODE, -1, FT_ENCODING_UNICODE }, - - { TT_PLATFORM_MACINTOSH, TT_MAC_ID_ROMAN, FT_ENCODING_APPLE_ROMAN }, - - { TT_PLATFORM_MICROSOFT, TT_MS_ID_SYMBOL_CS, FT_ENCODING_MS_SYMBOL }, - { TT_PLATFORM_MICROSOFT, TT_MS_ID_UCS_4, FT_ENCODING_UNICODE }, - { TT_PLATFORM_MICROSOFT, TT_MS_ID_UNICODE_CS, FT_ENCODING_UNICODE }, - { TT_PLATFORM_MICROSOFT, TT_MS_ID_SJIS, FT_ENCODING_SJIS }, - { TT_PLATFORM_MICROSOFT, TT_MS_ID_GB2312, FT_ENCODING_GB2312 }, - { TT_PLATFORM_MICROSOFT, TT_MS_ID_BIG_5, FT_ENCODING_BIG5 }, - { TT_PLATFORM_MICROSOFT, TT_MS_ID_WANSUNG, FT_ENCODING_WANSUNG }, - { TT_PLATFORM_MICROSOFT, TT_MS_ID_JOHAB, FT_ENCODING_JOHAB } - }; - - const TEncoding *cur, *limit; - - - cur = tt_encodings; - limit = cur + sizeof ( tt_encodings ) / sizeof ( tt_encodings[0] ); - - for ( ; cur < limit; cur++ ) - { - if ( cur->platform_id == platform_id ) - { - if ( cur->encoding_id == encoding_id || - cur->encoding_id == -1 ) - return cur->encoding; - } - } - - return FT_ENCODING_NONE; - } - - - FT_LOCAL_DEF( FT_Error ) - sfnt_init_face( FT_Stream stream, - TT_Face face, - FT_Int face_index, - FT_Int num_params, - FT_Parameter* params ) - { - FT_Error error; - FT_Library library = face->root.driver->root.library; - SFNT_Service sfnt; - SFNT_HeaderRec sfnt_header; - - /* for now, parameters are unused */ - FT_UNUSED( num_params ); - FT_UNUSED( params ); - - - sfnt = (SFNT_Service)face->sfnt; - if ( !sfnt ) - { - sfnt = (SFNT_Service)FT_Get_Module_Interface( library, "sfnt" ); - if ( !sfnt ) - { - error = SFNT_Err_Invalid_File_Format; - goto Exit; - } - - face->sfnt = sfnt; - face->goto_table = sfnt->goto_table; - } - - FT_FACE_FIND_GLOBAL_SERVICE( face, face->psnames, POSTSCRIPT_CMAPS ); - - /* check that we have a valid TrueType file */ - error = sfnt->load_sfnt_header( face, stream, face_index, &sfnt_header ); - if ( error ) - goto Exit; - - face->format_tag = sfnt_header.format_tag; - face->num_tables = sfnt_header.num_tables; - - /* Load font directory */ - error = sfnt->load_directory( face, stream, &sfnt_header ); - if ( error ) - goto Exit; - - face->root.num_faces = face->ttc_header.count; - if ( face->root.num_faces < 1 ) - face->root.num_faces = 1; - - Exit: - return error; - } - - -#undef LOAD_ -#define LOAD_( x ) ( ( error = sfnt->load_##x( face, stream ) ) \ - != SFNT_Err_Ok ) - - - FT_LOCAL_DEF( FT_Error ) - sfnt_load_face( FT_Stream stream, - TT_Face face, - FT_Int face_index, - FT_Int num_params, - FT_Parameter* params ) - { - FT_Error error, psnames_error; - FT_Bool has_outline; - FT_Bool is_apple_sbit; - - SFNT_Service sfnt = (SFNT_Service)face->sfnt; - - FT_UNUSED( face_index ); - FT_UNUSED( num_params ); - FT_UNUSED( params ); - - - /* Load tables */ - - /* We now support two SFNT-based bitmapped font formats. They */ - /* are recognized easily as they do not include a `glyf' */ - /* table. */ - /* */ - /* The first format comes from Apple, and uses a table named */ - /* `bhed' instead of `head' to store the font header (using */ - /* the same format). It also doesn't include horizontal and */ - /* vertical metrics tables (i.e. `hhea' and `vhea' tables are */ - /* missing). */ - /* */ - /* The other format comes from Microsoft, and is used with */ - /* WinCE/PocketPC. It looks like a standard TTF, except that */ - /* it doesn't contain outlines. */ - /* */ - - /* do we have outlines in there? */ -#ifdef FT_CONFIG_OPTION_INCREMENTAL - has_outline = FT_BOOL( face->root.internal->incremental_interface != 0 || - tt_face_lookup_table( face, TTAG_glyf ) != 0 || - tt_face_lookup_table( face, TTAG_CFF ) != 0 ); -#else - has_outline = FT_BOOL( tt_face_lookup_table( face, TTAG_glyf ) != 0 || - tt_face_lookup_table( face, TTAG_CFF ) != 0 ); -#endif - - is_apple_sbit = 0; - -#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS - - /* if this font doesn't contain outlines, we try to load */ - /* a `bhed' table */ - if ( !has_outline ) - is_apple_sbit = FT_BOOL( !LOAD_( bitmap_header ) ); - -#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ - - /* load the font header (`head' table) if this isn't an Apple */ - /* sbit font file */ - if ( !is_apple_sbit && LOAD_( header ) ) - goto Exit; - - /* the following tables are often not present in embedded TrueType */ - /* fonts within PDF documents, so don't check for them. */ - (void)LOAD_( max_profile ); - (void)LOAD_( charmaps ); - - /* the following tables are optional in PCL fonts -- */ - /* don't check for errors */ - (void)LOAD_( names ); - psnames_error = LOAD_( psnames ); - - /* do not load the metrics headers and tables if this is an Apple */ - /* sbit font file */ - if ( !is_apple_sbit ) - { - /* load the `hhea' and `hmtx' tables at once */ - error = sfnt->load_metrics( face, stream, 0 ); - if ( error ) - goto Exit; - - /* try to load the `vhea' and `vmtx' tables at once */ - error = sfnt->load_metrics( face, stream, 1 ); - if ( error ) - goto Exit; - - if ( LOAD_( os2 ) ) - goto Exit; - } - - /* the optional tables */ - -#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS - - /* embedded bitmap support. */ - if ( sfnt->load_sbits && LOAD_( sbits ) ) - { - /* return an error if this font file has no outlines */ - if ( error == SFNT_Err_Table_Missing && has_outline ) - error = SFNT_Err_Ok; - else - goto Exit; - } - -#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ - - if ( LOAD_( hdmx ) || - LOAD_( gasp ) || - LOAD_( kerning ) || - LOAD_( pclt ) ) - goto Exit; - - face->root.family_name = tt_face_get_name( face, - TT_NAME_ID_FONT_FAMILY ); - face->root.style_name = tt_face_get_name( face, - TT_NAME_ID_FONT_SUBFAMILY ); - - /* now set up root fields */ - { - FT_Face root = &face->root; - FT_Int32 flags = 0; - FT_Memory memory; - - - memory = root->memory; - - /*********************************************************************/ - /* */ - /* Compute face flags. */ - /* */ - if ( has_outline == TRUE ) - flags = FT_FACE_FLAG_SCALABLE; /* scalable outlines */ - - flags |= FT_FACE_FLAG_SFNT | /* SFNT file format */ - FT_FACE_FLAG_HORIZONTAL; /* horizontal data */ - -#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES - if ( psnames_error == SFNT_Err_Ok && - face->postscript.FormatType != 0x00030000L ) - flags |= FT_FACE_FLAG_GLYPH_NAMES; -#endif - - /* fixed width font? */ - if ( face->postscript.isFixedPitch ) - flags |= FT_FACE_FLAG_FIXED_WIDTH; - - /* vertical information? */ - if ( face->vertical_info ) - flags |= FT_FACE_FLAG_VERTICAL; - - /* kerning available ? */ - if ( face->kern_pairs ) - flags |= FT_FACE_FLAG_KERNING; - -#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT - /* Don't bother to load the tables unless somebody asks for them. */ - /* No need to do work which will (probably) not be used. */ - if ( tt_face_lookup_table( face, TTAG_glyf ) != 0 && - tt_face_lookup_table( face, TTAG_fvar ) != 0 && - tt_face_lookup_table( face, TTAG_gvar ) != 0 ) - flags |= FT_FACE_FLAG_MULTIPLE_MASTERS; -#endif - - root->face_flags = flags; - - /*********************************************************************/ - /* */ - /* 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 ) - flags |= FT_STYLE_FLAG_ITALIC; - - if ( face->os2.fsSelection & 32 ) - 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; - - if ( face->header.Mac_Style & 2 ) - flags |= FT_STYLE_FLAG_ITALIC; - } - - root->style_flags = flags; - - /*********************************************************************/ - /* */ - /* Polish the charmaps. */ - /* */ - /* Try to set the charmap encoding according to the platform & */ - /* encoding ID of each charmap. */ - /* */ - - tt_face_build_cmaps( face ); /* ignore errors */ - - - /* set the encoding fields */ - { - FT_Int m; - - - for ( m = 0; m < root->num_charmaps; m++ ) - { - FT_CharMap charmap = root->charmaps[m]; - - - charmap->encoding = sfnt_find_encoding( charmap->platform_id, - charmap->encoding_id ); - -#if 0 - if ( root->charmap == NULL && - charmap->encoding == FT_ENCODING_UNICODE ) - { - /* set 'root->charmap' to the first Unicode encoding we find */ - root->charmap = charmap; - } -#endif - } - } - - -#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS - - if ( face->num_sbit_strikes ) - { - FT_ULong n; - - - root->face_flags |= FT_FACE_FLAG_FIXED_SIZES; - -#if 0 - /* XXX: I don't know criteria whether layout is horizontal */ - /* or vertical. */ - if ( has_outline.... ) - { - ... - root->face_flags |= FT_FACE_FLAG_VERTICAL; - } -#endif - root->num_fixed_sizes = (FT_Int)face->num_sbit_strikes; - - if ( FT_NEW_ARRAY( root->available_sizes, face->num_sbit_strikes ) ) - goto Exit; - - for ( n = 0 ; n < face->num_sbit_strikes ; n++ ) - { - FT_Bitmap_Size* bsize = root->available_sizes + n; - TT_SBit_Strike strike = face->sbit_strikes + n; - FT_UShort fupem = face->header.Units_Per_EM; - FT_Short height = (FT_Short)( face->horizontal.Ascender - - face->horizontal.Descender + - face->horizontal.Line_Gap ); - FT_Short avg = face->os2.xAvgCharWidth; - - - /* assume 72dpi */ - bsize->height = - (FT_Short)( ( height * strike->y_ppem + fupem/2 ) / fupem ); - bsize->width = - (FT_Short)( ( avg * strike->y_ppem + fupem/2 ) / fupem ); - bsize->size = strike->y_ppem << 6; - bsize->x_ppem = strike->x_ppem << 6; - bsize->y_ppem = strike->y_ppem << 6; - } - } - else - -#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ - - { - root->num_fixed_sizes = 0; - root->available_sizes = 0; - } - - /*********************************************************************/ - /* */ - /* Set up metrics. */ - /* */ - if ( has_outline == TRUE ) - { - /* XXX What about if outline header is missing */ - /* (e.g. sfnt wrapped bitmap)? */ - root->bbox.xMin = face->header.xMin; - root->bbox.yMin = face->header.yMin; - root->bbox.xMax = face->header.xMax; - root->bbox.yMax = face->header.yMax; - root->units_per_EM = face->header.Units_Per_EM; - - - /* XXX: Computing the ascender/descender/height is very different */ - /* from what the specification tells you. Apparently, we */ - /* must be careful because */ - /* */ - /* - not all fonts have an OS/2 table; in this case, we take */ - /* the values in the horizontal header. However, these */ - /* values very often are not reliable. */ - /* */ - /* - otherwise, the correct typographic values are in the */ - /* sTypoAscender, sTypoDescender & sTypoLineGap fields. */ - /* */ - /* However, certains fonts have these fields set to 0. */ - /* Rather, they have usWinAscent & usWinDescent correctly */ - /* set (but with different values). */ - /* */ - /* As an example, Arial Narrow is implemented through four */ - /* files ARIALN.TTF, ARIALNI.TTF, ARIALNB.TTF & ARIALNBI.TTF */ - /* */ - /* Strangely, all fonts have the same values in their */ - /* sTypoXXX fields, except ARIALNB which sets them to 0. */ - /* */ - /* On the other hand, they all have different */ - /* usWinAscent/Descent values -- as a conclusion, the OS/2 */ - /* table cannot be used to compute the text height reliably! */ - /* */ - - /* The ascender/descender/height are computed from the OS/2 table */ - /* when found. Otherwise, they're taken from the horizontal */ - /* header. */ - /* */ - - root->ascender = face->horizontal.Ascender; - root->descender = face->horizontal.Descender; - - root->height = (FT_Short)( root->ascender - root->descender + - face->horizontal.Line_Gap ); - -#if 0 - /* if the line_gap is 0, we add an extra 15% to the text height -- */ - /* 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 - -#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 ) - { - FT_Int height; - - - root->ascender = face->os2.sTypoAscender; - root->descender = -face->os2.sTypoDescender; - - height = root->ascender + root->descender + face->os2.sTypoLineGap; - 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->underline_position = face->postscript.underlinePosition; - root->underline_thickness = face->postscript.underlineThickness; - - /* root->max_points -- already set up */ - /* root->max_contours -- already set up */ - } - } - - Exit: - return error; - } - - -#undef LOAD_ - - - FT_LOCAL_DEF( void ) - sfnt_done_face( TT_Face face ) - { - FT_Memory memory = face->root.memory; - SFNT_Service sfnt = (SFNT_Service)face->sfnt; - - - if ( sfnt ) - { - /* destroy the postscript names table if it is loaded */ - if ( sfnt->free_psnames ) - sfnt->free_psnames( face ); - - /* destroy the embedded bitmaps table if it is loaded */ - if ( sfnt->free_sbits ) - sfnt->free_sbits( face ); - } - - /* freeing the kerning table */ - FT_FREE( face->kern_pairs ); - face->num_kern_pairs = 0; - - /* freeing the collection table */ - FT_FREE( face->ttc_header.offsets ); - face->ttc_header.count = 0; - - /* freeing table directory */ - FT_FREE( face->dir_tables ); - face->num_tables = 0; - - { - FT_Stream stream = FT_FACE_STREAM( face ); - - - /* simply release the 'cmap' table frame */ - FT_FRAME_RELEASE( face->cmap_table ); - face->cmap_size = 0; - } - - /* freeing the horizontal metrics */ - FT_FREE( face->horizontal.long_metrics ); - FT_FREE( face->horizontal.short_metrics ); - - /* freeing the vertical ones, if any */ - if ( face->vertical_info ) - { - FT_FREE( face->vertical.long_metrics ); - FT_FREE( face->vertical.short_metrics ); - face->vertical_info = 0; - } - - /* freeing the gasp table */ - FT_FREE( face->gasp.gaspRanges ); - face->gasp.numRanges = 0; - - /* freeing the name table */ - sfnt->free_names( face ); - - /* freeing the hdmx table */ - sfnt->free_hdmx( face ); - - /* freeing family and style name */ - FT_FREE( face->root.family_name ); - FT_FREE( face->root.style_name ); - - /* freeing sbit size table */ - FT_FREE( face->root.available_sizes ); - face->root.num_fixed_sizes = 0; - - FT_FREE( face->postscript_name ); - - face->sfnt = 0; - } - - -/* END */ diff --git a/nx-X11/extras/freetype2/src/sfnt/sfobjs.h b/nx-X11/extras/freetype2/src/sfnt/sfobjs.h deleted file mode 100644 index 6241c93b3..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/sfobjs.h +++ /dev/null @@ -1,54 +0,0 @@ -/***************************************************************************/ -/* */ -/* sfobjs.h */ -/* */ -/* SFNT object management (specification). */ -/* */ -/* Copyright 1996-2001, 2002 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* 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 __SFOBJS_H__ -#define __SFOBJS_H__ - - -#include <ft2build.h> -#include FT_INTERNAL_SFNT_H -#include FT_INTERNAL_OBJECTS_H - - -FT_BEGIN_HEADER - - - FT_LOCAL( FT_Error ) - sfnt_init_face( FT_Stream stream, - TT_Face face, - FT_Int face_index, - FT_Int num_params, - FT_Parameter* params ); - - FT_LOCAL( FT_Error ) - sfnt_load_face( FT_Stream stream, - TT_Face face, - FT_Int face_index, - FT_Int num_params, - FT_Parameter* params ); - - FT_LOCAL( void ) - sfnt_done_face( TT_Face face ); - - -FT_END_HEADER - -#endif /* __SFDRIVER_H__ */ - - -/* END */ diff --git a/nx-X11/extras/freetype2/src/sfnt/ttcmap0.c b/nx-X11/extras/freetype2/src/sfnt/ttcmap0.c deleted file mode 100644 index dd1c76aaa..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/ttcmap0.c +++ /dev/null @@ -1,1991 +0,0 @@ -/***************************************************************************/ -/* */ -/* ttcmap0.c */ -/* */ -/* TrueType new character mapping table (cmap) support (body). */ -/* */ -/* Copyright 2002, 2003 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* 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_INTERNAL_DEBUG_H -#include FT_INTERNAL_OBJECTS_H -#include FT_INTERNAL_STREAM_H -#include "ttload.h" -#include "ttcmap0.h" - -#include "sferrors.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_ttcmap - - -#define TT_PEEK_SHORT FT_PEEK_SHORT -#define TT_PEEK_USHORT FT_PEEK_USHORT -#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_LONG FT_NEXT_LONG -#define TT_NEXT_ULONG FT_NEXT_ULONG - - - FT_CALLBACK_DEF( FT_Error ) - tt_cmap_init( TT_CMap cmap, - FT_Byte* table ) - { - cmap->data = table; - return 0; - } - - - /*************************************************************************/ - /*************************************************************************/ - /***** *****/ - /***** FORMAT 0 *****/ - /***** *****/ - /*************************************************************************/ - /*************************************************************************/ - - /*************************************************************************/ - /* */ - /* TABLE OVERVIEW */ - /* -------------- */ - /* */ - /* NAME OFFSET TYPE DESCRIPTION */ - /* */ - /* format 0 USHORT must be 0 */ - /* length 2 USHORT table length in bytes */ - /* language 4 USHORT Mac language code */ - /* glyph_ids 6 BYTE[256] array of glyph indices */ - /* 262 */ - /* */ - -#ifdef TT_CONFIG_CMAP_FORMAT_0 - - FT_CALLBACK_DEF( void ) - tt_cmap0_validate( FT_Byte* table, - FT_Validator valid ) - { - FT_Byte* p = table + 2; - FT_UInt length = TT_NEXT_USHORT( p ); - - - if ( table + length > valid->limit || length < 262 ) - FT_INVALID_TOO_SHORT; - - /* check glyph indices whenever necessary */ - if ( valid->level >= FT_VALIDATE_TIGHT ) - { - FT_UInt n, idx; - - - p = table + 6; - for ( n = 0; n < 256; n++ ) - { - idx = *p++; - if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) - FT_INVALID_GLYPH_ID; - } - } - } - - - FT_CALLBACK_DEF( FT_UInt ) - tt_cmap0_char_index( TT_CMap cmap, - FT_UInt32 char_code ) - { - FT_Byte* table = cmap->data; - - - return char_code < 256 ? table[6 + char_code] : 0; - } - - - FT_CALLBACK_DEF( FT_UInt ) - tt_cmap0_char_next( TT_CMap cmap, - FT_UInt32 *pchar_code ) - { - FT_Byte* table = cmap->data; - FT_UInt32 charcode = *pchar_code; - FT_UInt32 result = 0; - FT_UInt gindex = 0; - - - table += 6; /* go to glyph ids */ - while ( ++charcode < 256 ) - { - gindex = table[charcode]; - if ( gindex != 0 ) - { - result = charcode; - break; - } - } - - *pchar_code = result; - return gindex; - } - - - FT_CALLBACK_DEF( FT_Error ) - tt_cmap0_get_info( TT_CMap cmap, - TT_CMapInfo *cmap_info ) - { - FT_Byte* p = cmap->data + 4; - - - cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); - - return FT_Err_Ok; - } - - - FT_CALLBACK_TABLE_DEF - const TT_CMap_ClassRec 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 - }, - 0, - (TT_CMap_ValidateFunc) tt_cmap0_validate, - (TT_CMap_Info_GetFunc) tt_cmap0_get_info - }; - -#endif /* TT_CONFIG_CMAP_FORMAT_0 */ - - - /*************************************************************************/ - /*************************************************************************/ - /***** *****/ - /***** FORMAT 2 *****/ - /***** *****/ - /***** This is used for certain CJK encodings that encode text in a *****/ - /***** mixed 8/16 bits encoding along the following lines: *****/ - /***** *****/ - /***** * Certain byte values correspond to an 8-bit character code *****/ - /***** (typically in the range 0..127 for ASCII compatibility). *****/ - /***** *****/ - /***** * Certain byte values signal the first byte of a 2-byte *****/ - /***** character code (but these values are also valid as the *****/ - /***** second byte of a 2-byte character). *****/ - /***** *****/ - /***** The following charmap lookup and iteration functions all *****/ - /***** assume that the value "charcode" correspond to following: *****/ - /***** *****/ - /***** - For one byte characters, "charcode" is simply the *****/ - /***** character code. *****/ - /***** *****/ - /***** - For two byte characters, "charcode" is the 2-byte *****/ - /***** character code in big endian format. More exactly: *****/ - /***** *****/ - /***** (charcode >> 8) is the first byte value *****/ - /***** (charcode & 0xFF) is the second byte value *****/ - /***** *****/ - /***** Note that not all values of "charcode" are valid according *****/ - /***** to these rules, and the function moderately check the *****/ - /***** arguments. *****/ - /***** *****/ - /*************************************************************************/ - /*************************************************************************/ - - /*************************************************************************/ - /* */ - /* TABLE OVERVIEW */ - /* -------------- */ - /* */ - /* NAME OFFSET TYPE DESCRIPTION */ - /* */ - /* format 0 USHORT must be 2 */ - /* length 2 USHORT table length in bytes */ - /* 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 */ - /* */ - /* 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 */ - /* table and is computed by finding the maximum of the `keys' table. */ - /* */ - /* Note that for any n, `keys[n]' is a byte offset within the `subs' */ - /* table, i.e., it is the corresponding sub-header index multiplied */ - /* by 8. */ - /* */ - /* Each sub-header has the following format: */ - /* */ - /* NAME OFFSET TYPE DESCRIPTION */ - /* */ - /* first 0 USHORT first valid low-byte */ - /* count 2 USHORT number of valid low-bytes */ - /* delta 4 SHORT see below */ - /* offset 6 USHORT see below */ - /* */ - /* A sub-header defines, for each high-byte, the range of valid */ - /* low-bytes within the charmap. Note that the range defined by `first' */ - /* and `count' must be completely included in the interval [0..255] */ - /* according to the specification. */ - /* */ - /* If a character code is contained within a given sub-header, then */ - /* mapping it to a glyph index is done as follows: */ - /* */ - /* * 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). */ - /* */ - /* * 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 */ - /* outside of the CMap). */ - /* */ - -#ifdef TT_CONFIG_CMAP_FORMAT_2 - - FT_CALLBACK_DEF( void ) - tt_cmap2_validate( FT_Byte* table, - FT_Validator valid ) - { - FT_Byte* p = table + 2; /* skip format */ - FT_UInt length = TT_PEEK_USHORT( p ); - FT_UInt n, max_subs; - FT_Byte* keys; /* keys table */ - FT_Byte* subs; /* sub-headers */ - FT_Byte* glyph_ids; /* glyph id array */ - - - if ( table + length > valid->limit || length < 6 + 512 ) - FT_INVALID_TOO_SHORT; - - keys = table + 6; - - /* parse keys to compute sub-headers count */ - p = keys; - max_subs = 0; - for ( n = 0; n < 256; n++ ) - { - FT_UInt idx = TT_NEXT_USHORT( p ); - - - /* value must be multiple of 8 */ - if ( valid->level >= FT_VALIDATE_PARANOID && ( idx & 7 ) != 0 ) - FT_INVALID_DATA; - - idx >>= 3; - - if ( idx > max_subs ) - max_subs = idx; - } - - FT_ASSERT( p == table + 518 ); - - subs = p; - glyph_ids = subs + (max_subs + 1) * 8; - if ( glyph_ids > valid->limit ) - FT_INVALID_TOO_SHORT; - - /* parse sub-headers */ - for ( n = 0; n <= max_subs; n++ ) - { - FT_UInt first_code, code_count, offset; - FT_Int delta; - FT_Byte* ids; - - - first_code = TT_NEXT_USHORT( p ); - code_count = TT_NEXT_USHORT( p ); - delta = TT_NEXT_SHORT( p ); - offset = TT_NEXT_USHORT( p ); - - /* check range within 0..255 */ - if ( valid->level >= FT_VALIDATE_PARANOID ) - { - if ( first_code >= 256 || first_code + code_count > 256 ) - FT_INVALID_DATA; - } - - /* check offset */ - if ( offset != 0 ) - { - ids = p - 2 + offset; - if ( ids < glyph_ids || ids + code_count*2 > table + length ) - FT_INVALID_OFFSET; - - /* check glyph ids */ - if ( valid->level >= FT_VALIDATE_TIGHT ) - { - FT_Byte* limit = p + code_count * 2; - FT_UInt idx; - - - for ( ; p < limit; ) - { - idx = TT_NEXT_USHORT( p ); - if ( idx != 0 ) - { - idx = ( idx + delta ) & 0xFFFFU; - if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) - FT_INVALID_GLYPH_ID; - } - } - } - } - } - } - - - /* return sub header corresponding to a given character code */ - /* NULL on invalid charcode */ - static FT_Byte* - tt_cmap2_get_subheader( FT_Byte* table, - FT_UInt32 char_code ) - { - FT_Byte* result = NULL; - - - if ( char_code < 0x10000UL ) - { - FT_UInt char_lo = (FT_UInt)( char_code & 0xFF ); - FT_UInt char_hi = (FT_UInt)( char_code >> 8 ); - FT_Byte* p = table + 6; /* keys table */ - FT_Byte* subs = table + 518; /* subheaders table */ - FT_Byte* sub; - - - if ( char_hi == 0 ) - { - /* an 8-bit character code -- we use subHeader 0 in this case */ - /* to test whether the character code is in the charmap */ - /* */ - 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 */ - /* Otherwise, return 0 */ - /* */ - p += char_lo * 2; - if ( TT_PEEK_USHORT( p ) != 0 ) - goto Exit; - } - else - { - /* a 16-bit character code */ - - /* jump to key entry */ - p += char_hi * 2; - /* jump to sub-header */ - sub = subs + ( FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 8 ) ); - - /* check that the high byte isn't a valid one-byte value */ - if ( sub == subs ) - goto Exit; - } - result = sub; - } - Exit: - return result; - } - - - FT_CALLBACK_DEF( FT_UInt ) - tt_cmap2_char_index( TT_CMap cmap, - FT_UInt32 char_code ) - { - FT_Byte* table = cmap->data; - FT_UInt result = 0; - FT_Byte* subheader; - - - subheader = tt_cmap2_get_subheader( table, char_code ); - if ( subheader ) - { - FT_Byte* p = subheader; - FT_UInt idx = (FT_UInt)(char_code & 0xFF); - FT_UInt start, count; - FT_Int delta; - FT_UInt offset; - - - start = TT_NEXT_USHORT( p ); - count = TT_NEXT_USHORT( p ); - delta = TT_NEXT_SHORT ( p ); - offset = TT_PEEK_USHORT( p ); - - idx -= start; - if ( idx < count && offset != 0 ) - { - p += offset + 2 * idx; - idx = TT_PEEK_USHORT( p ); - - if ( idx != 0 ) - result = (FT_UInt)( idx + delta ) & 0xFFFFU; - } - } - return result; - } - - - FT_CALLBACK_DEF( FT_UInt ) - tt_cmap2_char_next( TT_CMap cmap, - FT_UInt32 *pcharcode ) - { - FT_Byte* table = cmap->data; - FT_UInt gindex = 0; - FT_UInt32 result = 0; - FT_UInt32 charcode = *pcharcode + 1; - FT_Byte* subheader; - - - while ( charcode < 0x10000UL ) - { - subheader = tt_cmap2_get_subheader( table, charcode ); - if ( subheader ) - { - FT_Byte* p = subheader; - FT_UInt start = TT_NEXT_USHORT( p ); - FT_UInt count = TT_NEXT_USHORT( p ); - FT_Int delta = TT_NEXT_SHORT ( p ); - FT_UInt offset = TT_PEEK_USHORT( p ); - FT_UInt char_lo = (FT_UInt)( charcode & 0xFF ); - FT_UInt pos, idx; - - - if ( offset == 0 ) - goto Next_SubHeader; - - if ( char_lo < start ) - { - char_lo = start; - pos = 0; - } - else - pos = (FT_UInt)( char_lo - start ); - - p += offset + pos * 2; - charcode = FT_PAD_FLOOR( charcode, 256 ) + char_lo; - - for ( ; pos < count; pos++, charcode++ ) - { - idx = TT_NEXT_USHORT( p ); - - if ( idx != 0 ) - { - gindex = ( idx + delta ) & 0xFFFFU; - if ( gindex != 0 ) - { - result = charcode; - goto Exit; - } - } - } - } - - /* jump to next sub-header, i.e. higher byte value */ - Next_SubHeader: - charcode = FT_PAD_FLOOR( charcode, 256 ) + 256; - } - - Exit: - *pcharcode = result; - - return gindex; - } - - - FT_CALLBACK_DEF( FT_Error ) - tt_cmap2_get_info( TT_CMap cmap, - TT_CMapInfo *cmap_info ) - { - FT_Byte* p = cmap->data + 4; - - - cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); - - return FT_Err_Ok; - } - - - FT_CALLBACK_TABLE_DEF - const TT_CMap_ClassRec 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 - }, - 2, - (TT_CMap_ValidateFunc) tt_cmap2_validate, - (TT_CMap_Info_GetFunc) tt_cmap2_get_info - }; - -#endif /* TT_CONFIG_CMAP_FORMAT_2 */ - - - /*************************************************************************/ - /*************************************************************************/ - /***** *****/ - /***** FORMAT 4 *****/ - /***** *****/ - /*************************************************************************/ - /*************************************************************************/ - - /*************************************************************************/ - /* */ - /* TABLE OVERVIEW */ - /* -------------- */ - /* */ - /* NAME OFFSET TYPE DESCRIPTION */ - /* */ - /* format 0 USHORT must be 4 */ - /* length 2 USHORT table length */ - /* in bytes */ - /* language 4 USHORT Mac language code */ - /* */ - /* segCountX2 6 USHORT 2*NUM_SEGS */ - /* searchRange 8 USHORT 2*(1 << LOG_SEGS) */ - /* entrySelector 10 USHORT LOG_SEGS */ - /* rangeShift 12 USHORT segCountX2 - */ - /* searchRange */ - /* */ - /* endCount 14 USHORT[NUM_SEGS] end charcode for */ - /* each segment; last */ - /* is 0xFFFF */ - /* */ - /* pad 14+NUM_SEGS*2 USHORT padding */ - /* */ - /* startCount 16+NUM_SEGS*2 USHORT[NUM_SEGS] first charcode for */ - /* each segment */ - /* */ - /* idDelta 16+NUM_SEGS*4 SHORT[NUM_SEGS] delta for each */ - /* segment */ - /* idOffset 16+NUM_SEGS*6 SHORT[NUM_SEGS] range offset for */ - /* each segment; can be */ - /* zero */ - /* */ - /* 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. */ - /* */ - /* The fields `searchRange', `entrySelector' and `rangeShift' are better */ - /* ignored (they are traces of over-engineering in the TrueType */ - /* specification). */ - /* */ - /* Each segment also has a signed `delta', as well as an optional offset */ - /* within the `glyphIds' table. */ - /* */ - /* If a segment's idOffset is 0, the glyph index corresponding to any */ - /* 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 */ - /* 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... */ - /* */ - -#ifdef TT_CONFIG_CMAP_FORMAT_4 - - FT_CALLBACK_DEF( void ) - tt_cmap4_validate( FT_Byte* table, - FT_Validator valid ) - { - FT_Byte* p = table + 2; /* skip format */ - FT_UInt length = TT_NEXT_USHORT( p ); - FT_Byte *ends, *starts, *offsets, *deltas, *glyph_ids; - FT_UInt num_segs; - - - /* in certain fonts, the `length' field is invalid and goes */ - /* out of bound. We try to correct this here... */ - if ( length < 16 ) - FT_INVALID_TOO_SHORT; - - if ( table + length > valid->limit ) - { - if ( valid->level >= FT_VALIDATE_TIGHT ) - FT_INVALID_TOO_SHORT; - - length = (FT_UInt)( valid->limit - table ); - } - - p = table + 6; - num_segs = TT_NEXT_USHORT( p ); /* read segCountX2 */ - - if ( valid->level >= FT_VALIDATE_PARANOID ) - { - /* check that we have an even value here */ - if ( num_segs & 1 ) - FT_INVALID_DATA; - } - - num_segs /= 2; - - /* check the search parameters - even though we never use them */ - /* */ - if ( valid->level >= FT_VALIDATE_PARANOID ) - { - /* 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 ); - - - if ( ( search_range | range_shift ) & 1 ) /* must be even values */ - FT_INVALID_DATA; - - search_range /= 2; - range_shift /= 2; - - /* `search range' is the greatest power of 2 that is <= num_segs */ - - if ( search_range > num_segs || - search_range * 2 < num_segs || - search_range + range_shift != num_segs || - search_range != ( 1U << entry_selector ) ) - FT_INVALID_DATA; - } - - ends = table + 14; - starts = table + 16 + num_segs * 2; - deltas = starts + num_segs * 2; - offsets = deltas + num_segs * 2; - glyph_ids = offsets + num_segs * 2; - - if ( glyph_ids > table + length ) - FT_INVALID_TOO_SHORT; - - /* check last segment, its end count must be FFFF */ - if ( valid->level >= FT_VALIDATE_PARANOID ) - { - p = ends + ( num_segs - 1 ) * 2; - if ( TT_PEEK_USHORT( p ) != 0xFFFFU ) - FT_INVALID_DATA; - } - - /* check that segments are sorted in increasing order and do not */ - /* overlap; check also the offsets */ - { - FT_UInt start, end, last = 0, offset, n; - FT_Int delta; - - - for ( n = 0; n < num_segs; n++ ) - { - p = starts + n * 2; - start = TT_PEEK_USHORT( p ); - p = ends + n * 2; - end = TT_PEEK_USHORT( p ); - p = deltas + n * 2; - delta = TT_PEEK_SHORT( p ); - p = offsets + n * 2; - offset = TT_PEEK_USHORT( p ); - - 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 */ - /* */ - if ( valid->level >= FT_VALIDATE_TIGHT ) - { - if ( n > 0 && start <= last ) - FT_INVALID_DATA; - } - - if ( offset && offset != 0xFFFFU ) - { - p += offset; /* start of glyph id array */ - - /* 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 - { - if ( p < glyph_ids || - p + ( end - start + 1 ) * 2 > valid->limit ) - FT_INVALID_DATA; - } - - /* check glyph indices within the segment range */ - if ( valid->level >= FT_VALIDATE_TIGHT ) - { - FT_UInt i, idx; - - - for ( i = start; i < end; i++ ) - { - idx = FT_NEXT_USHORT( p ); - if ( idx != 0 ) - { - idx = (FT_UInt)( idx + delta ) & 0xFFFFU; - - if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) - FT_INVALID_GLYPH_ID; - } - } - } - } - else if ( offset == 0xFFFFU ) - { - /* 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 ) ) - FT_INVALID_DATA; - } - - last = end; - } - } - } - - - FT_CALLBACK_DEF( FT_UInt ) - tt_cmap4_char_index( TT_CMap cmap, - FT_UInt32 char_code ) - { - FT_Byte* table = cmap->data; - FT_UInt result = 0; - - - if ( char_code < 0x10000UL ) - { - FT_UInt idx, num_segs2; - FT_Int delta; - FT_UInt code = (FT_UInt)char_code; - FT_Byte* p; - - - p = table + 6; - num_segs2 = FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 2 ); /* be paranoid! */ - -#if 1 - /* Some fonts have more than 170 segments in their charmaps! */ - /* We changed this function to use a more efficient binary */ - /* search for improving performance */ - { - FT_UInt min = 0; - FT_UInt max = num_segs2 >> 1; - FT_UInt mid, start, end, offset; - - - while ( min < max ) - { - mid = ( min + max ) >> 1; - p = table + 14 + mid * 2; - end = TT_NEXT_USHORT( p ); - p += num_segs2; - start = TT_PEEK_USHORT( p); - - if ( code < start ) - max = mid; - else if ( code > end ) - min = mid + 1; - else - { - /* we found the segment */ - idx = code; - - p += num_segs2; - delta = TT_PEEK_SHORT( p ); - - p += num_segs2; - offset = TT_PEEK_USHORT( p ); - - if ( offset == 0xFFFFU ) - goto Exit; - - if ( offset != 0 ) - { - p += offset + 2 * ( idx - start ); - idx = TT_PEEK_USHORT( p ); - } - - if ( idx != 0 ) - result = (FT_UInt)( idx + delta ) & 0xFFFFU; - - goto Exit; - } - } - } - -#else /* 0 - old code */ - - { - FT_UInt n; - FT_Byte* q; - - - p = table + 14; /* ends table */ - q = table + 16 + num_segs2; /* starts table */ - - - for ( n = 0; n < num_segs2; n += 2 ) - { - FT_UInt end = TT_NEXT_USHORT( p ); - FT_UInt start = TT_NEXT_USHORT( q ); - FT_UInt offset; - - - if ( code < start ) - break; - - if ( code <= end ) - { - idx = code; - - p = q + num_segs2 - 2; - delta = TT_PEEK_SHORT( p ); - p += num_segs2; - offset = TT_PEEK_USHORT( p ); - - if ( offset == 0xFFFFU ) - goto Exit; - - if ( offset != 0 ) - { - p += offset + 2 * ( idx - start ); - idx = TT_PEEK_USHORT( p ); - } - - if ( idx != 0 ) - result = (FT_UInt)( idx + delta ) & 0xFFFFU; - } - } - } - -#endif /* 0 */ - - } - - Exit: - return result; - } - - - FT_CALLBACK_DEF( FT_UInt ) - tt_cmap4_char_next( TT_CMap cmap, - FT_UInt32 *pchar_code ) - { - FT_Byte* table = cmap->data; - FT_UInt32 result = 0; - FT_UInt gindex = 0; - FT_UInt32 char_code = *pchar_code; - FT_Byte* p; - FT_UInt code, num_segs2; - - - if ( char_code >= 0xFFFFUL ) - goto Exit; - - code = (FT_UInt)char_code + 1; - p = table + 6; - num_segs2 = FT_PAD_FLOOR( TT_PEEK_USHORT(p), 2 ); /* ensure even-ness */ - -#if 1 - - for (;;) - { - /* Some fonts have more than 170 segments in their charmaps! */ - /* We changed this function to use a more efficient binary */ - /* search */ - FT_UInt offset; - FT_Int delta; - FT_UInt min = 0; - FT_UInt max = num_segs2 >> 1; - FT_UInt mid, start, end; - FT_UInt hi; - - - /* we begin by finding the segment which end is - closer to our code point */ - hi = max + 1; - while ( min < max ) - { - mid = ( min + max ) >> 1; - p = table + 14 + mid * 2; - end = TT_PEEK_USHORT( p ); - - if ( end < code ) - min = mid + 1; - else - { - hi = mid; - max = mid; - } - } - - if ( hi > max ) - { - /* the point is behind the last segment; - we will exit right now */ - goto Exit; - } - - p = table + 14 + hi * 2; - end = TT_PEEK_USHORT( p ); - - p += 2 + num_segs2; - start = TT_PEEK_USHORT( p ); - - if ( code < start ) - code = start; - - p += num_segs2; - delta = TT_PEEK_USHORT( p ); - - p += num_segs2; - offset = TT_PEEK_USHORT( p ); - - if ( offset != 0 && offset != 0xFFFFU ) - { - /* parse the glyph ids array for non-zero index */ - p += offset + ( code - start ) * 2; - while ( code <= end ) - { - gindex = TT_NEXT_USHORT( p ); - if ( gindex != 0 ) - { - gindex = (FT_UInt)( gindex + delta ) & 0xFFFFU; - if ( gindex != 0 ) - { - result = code; - goto Exit; - } - } - code++; - } - } - else if ( offset == 0xFFFFU ) - { - /* an offset of 0xFFFF means an empty glyph in certain fonts! */ - code = end + 1; - } - else /* offset == 0 */ - { - gindex = (FT_UInt)( code + delta ) & 0xFFFFU; - if ( gindex != 0 ) - { - result = code; - goto Exit; - } - code++; - } - } - -#else /* old code -- kept for reference */ - - for ( ;; ) - { - FT_UInt offset, n; - FT_Int delta; - FT_Byte* q; - - - p = table + 14; /* ends table */ - q = table + 16 + num_segs2; /* starts table */ - - for ( n = 0; n < num_segs2; n += 2 ) - { - FT_UInt end = TT_NEXT_USHORT( p ); - FT_UInt start = TT_NEXT_USHORT( q ); - - - if ( code < start ) - code = start; - - if ( code <= end ) - { - p = q + num_segs2 - 2; - delta = TT_PEEK_SHORT( p ); - p += num_segs2; - offset = TT_PEEK_USHORT( p ); - - if ( offset != 0 && offset != 0xFFFFU ) - { - /* parse the glyph ids array for non-0 index */ - p += offset + ( code - start ) * 2; - while ( code <= end ) - { - gindex = TT_NEXT_USHORT( p ); - if ( gindex != 0 ) - { - gindex = (FT_UInt)( gindex + delta ) & 0xFFFFU; - if ( gindex != 0 ) - break; - } - code++; - } - } - else if ( offset == 0xFFFFU ) - { - /* an offset of 0xFFFF means an empty glyph in certain fonts! */ - code = end; - break; - } - else - gindex = (FT_UInt)( code + delta ) & 0xFFFFU; - - if ( gindex == 0 ) - break; - - result = code; - goto Exit; - } - } - /* loop to next trial charcode */ - if ( code >= 0xFFFFU ) - break; - - code++; - } - -#endif /* !1 */ - - Exit: - *pchar_code = result; - return gindex; - } - - - FT_CALLBACK_DEF( FT_Error ) - tt_cmap4_get_info( TT_CMap cmap, - TT_CMapInfo *cmap_info ) - { - FT_Byte* p = cmap->data + 4; - - - cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); - - return FT_Err_Ok; - } - - - FT_CALLBACK_TABLE_DEF - const TT_CMap_ClassRec tt_cmap4_class_rec = - { - { - sizeof ( TT_CMapRec ), - - (FT_CMap_InitFunc) tt_cmap_init, - (FT_CMap_DoneFunc) NULL, - (FT_CMap_CharIndexFunc)tt_cmap4_char_index, - (FT_CMap_CharNextFunc) tt_cmap4_char_next - }, - 4, - (TT_CMap_ValidateFunc) tt_cmap4_validate, - (TT_CMap_Info_GetFunc) tt_cmap4_get_info - }; - -#endif /* TT_CONFIG_CMAP_FORMAT_4 */ - - - /*************************************************************************/ - /*************************************************************************/ - /***** *****/ - /***** FORMAT 6 *****/ - /***** *****/ - /*************************************************************************/ - /*************************************************************************/ - - /*************************************************************************/ - /* */ - /* TABLE OVERVIEW */ - /* -------------- */ - /* */ - /* NAME OFFSET TYPE DESCRIPTION */ - /* */ - /* format 0 USHORT must be 4 */ - /* length 2 USHORT table length in bytes */ - /* language 4 USHORT Mac language code */ - /* */ - /* first 6 USHORT first segment code */ - /* count 8 USHORT segment size in chars */ - /* glyphIds 10 USHORT[count] glyph ids */ - /* */ - /* A very simplified segment mapping. */ - /* */ - -#ifdef TT_CONFIG_CMAP_FORMAT_6 - - FT_CALLBACK_DEF( void ) - tt_cmap6_validate( FT_Byte* table, - FT_Validator valid ) - { - FT_Byte* p; - FT_UInt length, count; - - - if ( table + 10 > valid->limit ) - FT_INVALID_TOO_SHORT; - - p = table + 2; - length = TT_NEXT_USHORT( p ); - - p = table + 8; /* skip language and start index */ - count = TT_NEXT_USHORT( p ); - - if ( table + length > valid->limit || length < 10 + count * 2 ) - FT_INVALID_TOO_SHORT; - - /* check glyph indices */ - if ( valid->level >= FT_VALIDATE_TIGHT ) - { - FT_UInt gindex; - - - for ( ; count > 0; count-- ) - { - gindex = TT_NEXT_USHORT( p ); - if ( gindex >= TT_VALID_GLYPH_COUNT( valid ) ) - FT_INVALID_GLYPH_ID; - } - } - } - - - FT_CALLBACK_DEF( FT_UInt ) - tt_cmap6_char_index( TT_CMap cmap, - FT_UInt32 char_code ) - { - FT_Byte* table = cmap->data; - FT_UInt result = 0; - FT_Byte* p = table + 6; - FT_UInt start = TT_NEXT_USHORT( p ); - FT_UInt count = TT_NEXT_USHORT( p ); - FT_UInt idx = (FT_UInt)( char_code - start ); - - - if ( idx < count ) - { - p += 2 * idx; - result = TT_PEEK_USHORT( p ); - } - return result; - } - - - FT_CALLBACK_DEF( FT_UInt ) - tt_cmap6_char_next( TT_CMap cmap, - FT_UInt32 *pchar_code ) - { - FT_Byte* table = cmap->data; - FT_UInt32 result = 0; - FT_UInt32 char_code = *pchar_code + 1; - FT_UInt gindex = 0; - - FT_Byte* p = table + 6; - FT_UInt start = TT_NEXT_USHORT( p ); - FT_UInt count = TT_NEXT_USHORT( p ); - FT_UInt idx; - - - if ( char_code >= 0x10000UL ) - goto Exit; - - if ( char_code < start ) - char_code = start; - - idx = (FT_UInt)( char_code - start ); - p += 2 * idx; - - for ( ; idx < count; idx++ ) - { - gindex = TT_NEXT_USHORT( p ); - if ( gindex != 0 ) - { - result = char_code; - break; - } - char_code++; - } - - Exit: - *pchar_code = result; - return gindex; - } - - - FT_CALLBACK_DEF( FT_Error ) - tt_cmap6_get_info( TT_CMap cmap, - TT_CMapInfo *cmap_info ) - { - FT_Byte* p = cmap->data + 4; - - - cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); - - return FT_Err_Ok; - } - - - FT_CALLBACK_TABLE_DEF - const TT_CMap_ClassRec 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 - }, - 6, - (TT_CMap_ValidateFunc) tt_cmap6_validate, - (TT_CMap_Info_GetFunc) tt_cmap6_get_info - }; - -#endif /* TT_CONFIG_CMAP_FORMAT_6 */ - - - /*************************************************************************/ - /*************************************************************************/ - /***** *****/ - /***** FORMAT 8 *****/ - /***** *****/ - /***** It's 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 *****/ - /***** glyph indices. Basically, the `char_code' must be in one of *****/ - /***** the following formats: *****/ - /***** *****/ - /***** - A 16-bit value that isn't part of the Unicode Surrogates *****/ - /***** Area (i.e. U+D800-U+DFFF). *****/ - /***** *****/ - /***** - A 32-bit value, made of two surrogate values, i.e.. if *****/ - /***** `char_code = (char_hi << 16) | char_lo', then both *****/ - /***** `char_hi' and `char_lo' must be in the Surrogates Area. *****/ - /***** Area. *****/ - /***** *****/ - /***** 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: *****/ - /***** *****/ - /***** If `char_hi == 0' then we must have `is32[char_lo] == 0'. *****/ - /***** *****/ - /***** If `char_hi != 0' then we must have both *****/ - /***** `is32[char_hi] != 0' and `is32[char_lo] != 0'. *****/ - /***** *****/ - /*************************************************************************/ - /*************************************************************************/ - - /*************************************************************************/ - /* */ - /* TABLE OVERVIEW */ - /* -------------- */ - /* */ - /* NAME OFFSET TYPE DESCRIPTION */ - /* */ - /* format 0 USHORT must be 8 */ - /* reseved 2 USHORT reserved */ - /* length 4 ULONG length in bytes */ - /* language 8 ULONG Mac language code */ - /* is32 12 BYTE[8192] 32-bitness bitmap */ - /* count 8204 ULONG number of groups */ - /* */ - /* 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 */ - /* */ - -#ifdef TT_CONFIG_CMAP_FORMAT_8 - - FT_CALLBACK_DEF( void ) - tt_cmap8_validate( FT_Byte* table, - FT_Validator valid ) - { - FT_Byte* p = table + 4; - FT_Byte* is32; - FT_UInt32 length; - FT_UInt32 num_groups; - - - if ( table + 16 + 8192 > valid->limit ) - FT_INVALID_TOO_SHORT; - - length = TT_NEXT_ULONG( p ); - if ( table + length > valid->limit || length < 8208 ) - FT_INVALID_TOO_SHORT; - - is32 = table + 12; - p = is32 + 8192; /* skip `is32' array */ - num_groups = TT_NEXT_ULONG( p ); - - if ( p + num_groups * 12 > valid->limit ) - FT_INVALID_TOO_SHORT; - - /* check groups, they must be in increasing order */ - { - FT_UInt32 n, start, end, start_id, count, last = 0; - - - for ( n = 0; n < num_groups; n++ ) - { - FT_UInt hi, lo; - - - start = TT_NEXT_ULONG( p ); - end = TT_NEXT_ULONG( p ); - start_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 ( start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ) - FT_INVALID_GLYPH_ID; - - count = (FT_UInt32)( end - start + 1 ); - - if ( start & ~0xFFFFU ) - { - /* start_hi != 0; check that is32[i] is 1 for each i in */ - /* the `hi' and `lo' of the range [start..end] */ - for ( ; count > 0; count--, start++ ) - { - hi = (FT_UInt)( start >> 16 ); - lo = (FT_UInt)( start & 0xFFFFU ); - - if ( (is32[hi >> 3] & ( 0x80 >> ( hi & 7 ) ) ) == 0 ) - FT_INVALID_DATA; - - if ( (is32[lo >> 3] & ( 0x80 >> ( lo & 7 ) ) ) == 0 ) - FT_INVALID_DATA; - } - } - else - { - /* start_hi == 0; check that is32[i] is 0 for each i in */ - /* the range [start..end] */ - - /* end_hi cannot be != 0! */ - if ( end & ~0xFFFFU ) - FT_INVALID_DATA; - - for ( ; count > 0; count--, start++ ) - { - lo = (FT_UInt)( start & 0xFFFFU ); - - if ( (is32[lo >> 3] & ( 0x80 >> ( lo & 7 ) ) ) != 0 ) - FT_INVALID_DATA; - } - } - } - - last = end; - } - } - } - - - FT_CALLBACK_DEF( FT_UInt ) - tt_cmap8_char_index( TT_CMap cmap, - FT_UInt32 char_code ) - { - FT_Byte* table = cmap->data; - FT_UInt result = 0; - FT_Byte* p = table + 8204; - FT_UInt32 num_groups = TT_NEXT_ULONG( p ); - FT_UInt32 start, end, start_id; - - - for ( ; num_groups > 0; num_groups-- ) - { - start = TT_NEXT_ULONG( p ); - end = TT_NEXT_ULONG( p ); - start_id = TT_NEXT_ULONG( p ); - - if ( char_code < start ) - break; - - if ( char_code <= end ) - { - result = (FT_UInt)( start_id + char_code - start ); - break; - } - } - return result; - } - - - FT_CALLBACK_DEF( FT_UInt ) - tt_cmap8_char_next( TT_CMap cmap, - FT_UInt32 *pchar_code ) - { - FT_UInt32 result = 0; - FT_UInt32 char_code = *pchar_code + 1; - FT_UInt gindex = 0; - FT_Byte* table = cmap->data; - FT_Byte* p = table + 8204; - FT_UInt32 num_groups = TT_NEXT_ULONG( p ); - FT_UInt32 start, end, start_id; - - - p = table + 8208; - - for ( ; num_groups > 0; num_groups-- ) - { - start = TT_NEXT_ULONG( p ); - end = TT_NEXT_ULONG( p ); - start_id = TT_NEXT_ULONG( p ); - - if ( char_code < start ) - char_code = start; - - if ( char_code <= end ) - { - gindex = (FT_UInt)( char_code - start + start_id ); - if ( gindex != 0 ) - { - result = char_code; - goto Exit; - } - } - } - - Exit: - *pchar_code = result; - return gindex; - } - - - FT_CALLBACK_DEF( FT_Error ) - tt_cmap8_get_info( TT_CMap cmap, - TT_CMapInfo *cmap_info ) - { - FT_Byte* p = cmap->data + 8; - - - cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); - return FT_Err_Ok; - } - - - FT_CALLBACK_TABLE_DEF - const TT_CMap_ClassRec 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 - }, - 8, - (TT_CMap_ValidateFunc) tt_cmap8_validate, - (TT_CMap_Info_GetFunc) tt_cmap8_get_info - }; - -#endif /* TT_CONFIG_CMAP_FORMAT_8 */ - - - /*************************************************************************/ - /*************************************************************************/ - /***** *****/ - /***** FORMAT 10 *****/ - /***** *****/ - /*************************************************************************/ - /*************************************************************************/ - - /*************************************************************************/ - /* */ - /* TABLE OVERVIEW */ - /* -------------- */ - /* */ - /* NAME OFFSET TYPE DESCRIPTION */ - /* */ - /* format 0 USHORT must be 10 */ - /* reserved 2 USHORT reserved */ - /* length 4 ULONG length in bytes */ - /* language 8 ULONG Mac language code */ - /* */ - /* start 12 ULONG first char in range */ - /* count 16 ULONG number of chars in range */ - /* glyphIds 20 USHORT[count] glyph indices covered */ - /* */ - -#ifdef TT_CONFIG_CMAP_FORMAT_10 - - FT_CALLBACK_DEF( void ) - tt_cmap10_validate( FT_Byte* table, - FT_Validator valid ) - { - FT_Byte* p = table + 4; - FT_ULong length, count; - - - if ( table + 20 > valid->limit ) - FT_INVALID_TOO_SHORT; - - length = TT_NEXT_ULONG( p ); - p = table + 16; - count = TT_NEXT_ULONG( p ); - - if ( table + length > valid->limit || length < 20 + count * 2 ) - FT_INVALID_TOO_SHORT; - - /* check glyph indices */ - if ( valid->level >= FT_VALIDATE_TIGHT ) - { - FT_UInt gindex; - - - for ( ; count > 0; count-- ) - { - gindex = TT_NEXT_USHORT( p ); - if ( gindex >= TT_VALID_GLYPH_COUNT( valid ) ) - FT_INVALID_GLYPH_ID; - } - } - } - - - FT_CALLBACK_DEF( FT_UInt ) - tt_cmap10_char_index( TT_CMap cmap, - FT_UInt32 char_code ) - { - FT_Byte* table = cmap->data; - FT_UInt result = 0; - FT_Byte* p = table + 12; - FT_UInt32 start = TT_NEXT_ULONG( p ); - FT_UInt32 count = TT_NEXT_ULONG( p ); - FT_UInt32 idx = (FT_ULong)( char_code - start ); - - - if ( idx < count ) - { - p += 2 * idx; - result = TT_PEEK_USHORT( p ); - } - return result; - } - - - FT_CALLBACK_DEF( FT_UInt ) - tt_cmap10_char_next( TT_CMap cmap, - FT_UInt32 *pchar_code ) - { - FT_Byte* table = cmap->data; - FT_UInt32 char_code = *pchar_code + 1; - FT_UInt gindex = 0; - FT_Byte* p = table + 12; - FT_UInt32 start = TT_NEXT_ULONG( p ); - FT_UInt32 count = TT_NEXT_ULONG( p ); - FT_UInt32 idx; - - - if ( char_code < start ) - char_code = start; - - idx = (FT_UInt32)( char_code - start ); - p += 2 * idx; - - for ( ; idx < count; idx++ ) - { - gindex = TT_NEXT_USHORT( p ); - if ( gindex != 0 ) - break; - char_code++; - } - - *pchar_code = char_code; - return gindex; - } - - - FT_CALLBACK_DEF( FT_Error ) - tt_cmap10_get_info( TT_CMap cmap, - TT_CMapInfo *cmap_info ) - { - FT_Byte* p = cmap->data + 8; - - - cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); - - return FT_Err_Ok; - } - - - FT_CALLBACK_TABLE_DEF - const TT_CMap_ClassRec 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 - }, - 10, - (TT_CMap_ValidateFunc) tt_cmap10_validate, - (TT_CMap_Info_GetFunc) tt_cmap10_get_info - }; - -#endif /* TT_CONFIG_CMAP_FORMAT_10 */ - - - /*************************************************************************/ - /*************************************************************************/ - /***** *****/ - /***** FORMAT 12 *****/ - /***** *****/ - /*************************************************************************/ - /*************************************************************************/ - - /*************************************************************************/ - /* */ - /* TABLE OVERVIEW */ - /* -------------- */ - /* */ - /* NAME OFFSET TYPE DESCRIPTION */ - /* */ - /* format 0 USHORT must be 12 */ - /* 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 */ - /* startId 8 ULONG start glyph id for the group */ - /* */ - -#ifdef TT_CONFIG_CMAP_FORMAT_12 - - FT_CALLBACK_DEF( void ) - tt_cmap12_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 ( table + length > valid->limit || length < 16 + 12 * num_groups ) - FT_INVALID_TOO_SHORT; - - /* check groups, they must be in increasing order */ - { - FT_ULong n, start, end, start_id, last = 0; - - - for ( n = 0; n < num_groups; n++ ) - { - start = TT_NEXT_ULONG( p ); - end = TT_NEXT_ULONG( p ); - start_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 ( start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ) - FT_INVALID_GLYPH_ID; - } - - last = end; - } - } - } - - - FT_CALLBACK_DEF( FT_UInt ) - tt_cmap12_char_index( TT_CMap cmap, - FT_UInt32 char_code ) - { - FT_UInt result = 0; - FT_Byte* table = cmap->data; - FT_Byte* p = table + 12; - FT_UInt32 num_groups = TT_NEXT_ULONG( p ); - FT_UInt32 start, end, start_id; - - - for ( ; num_groups > 0; num_groups-- ) - { - start = TT_NEXT_ULONG( p ); - end = TT_NEXT_ULONG( p ); - start_id = TT_NEXT_ULONG( p ); - - if ( char_code < start ) - break; - - if ( char_code <= end ) - { - result = (FT_UInt)( start_id + char_code - start ); - break; - } - } - return result; - } - - - FT_CALLBACK_DEF( FT_UInt ) - tt_cmap12_char_next( TT_CMap cmap, - FT_UInt32 *pchar_code ) - { - FT_Byte* table = cmap->data; - FT_UInt32 result = 0; - FT_UInt32 char_code = *pchar_code + 1; - FT_UInt gindex = 0; - FT_Byte* p = table + 12; - FT_UInt32 num_groups = TT_NEXT_ULONG( p ); - FT_UInt32 start, end, start_id; - - - p = table + 16; - - for ( ; num_groups > 0; num_groups-- ) - { - start = TT_NEXT_ULONG( p ); - end = TT_NEXT_ULONG( p ); - start_id = TT_NEXT_ULONG( p ); - - if ( char_code < start ) - char_code = start; - - if ( char_code <= end ) - { - gindex = (FT_UInt)(char_code - start + start_id); - if ( gindex != 0 ) - { - result = char_code; - goto Exit; - } - } - } - - Exit: - *pchar_code = result; - return gindex; - } - - - FT_CALLBACK_DEF( FT_Error ) - tt_cmap12_get_info( TT_CMap cmap, - TT_CMapInfo *cmap_info ) - { - FT_Byte* p = cmap->data + 8; - - - cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); - - return FT_Err_Ok; - } - - - FT_CALLBACK_TABLE_DEF - const TT_CMap_ClassRec tt_cmap12_class_rec = - { - { - sizeof ( TT_CMapRec ), - - (FT_CMap_InitFunc) tt_cmap_init, - (FT_CMap_DoneFunc) NULL, - (FT_CMap_CharIndexFunc)tt_cmap12_char_index, - (FT_CMap_CharNextFunc) tt_cmap12_char_next - }, - 12, - (TT_CMap_ValidateFunc) tt_cmap12_validate, - (TT_CMap_Info_GetFunc) tt_cmap12_get_info - }; - - -#endif /* TT_CONFIG_CMAP_FORMAT_12 */ - - - static const TT_CMap_Class tt_cmap_classes[] = - { -#ifdef TT_CONFIG_CMAP_FORMAT_0 - &tt_cmap0_class_rec, -#endif - -#ifdef TT_CONFIG_CMAP_FORMAT_2 - &tt_cmap2_class_rec, -#endif - -#ifdef TT_CONFIG_CMAP_FORMAT_4 - &tt_cmap4_class_rec, -#endif - -#ifdef TT_CONFIG_CMAP_FORMAT_6 - &tt_cmap6_class_rec, -#endif - -#ifdef TT_CONFIG_CMAP_FORMAT_8 - &tt_cmap8_class_rec, -#endif - -#ifdef TT_CONFIG_CMAP_FORMAT_10 - &tt_cmap10_class_rec, -#endif - -#ifdef TT_CONFIG_CMAP_FORMAT_12 - &tt_cmap12_class_rec, -#endif - - NULL, - }; - - - /* parse the `cmap' table and build the corresponding TT_CMap objects */ - /* in the current face */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_build_cmaps( TT_Face face ) - { - FT_Byte* table = face->cmap_table; - FT_Byte* limit = table + face->cmap_size; - FT_UInt volatile num_cmaps; - FT_Byte* volatile p = table; - - - if ( p + 4 > limit ) - return SFNT_Err_Invalid_Table; - - /* only recognize format 0 */ - if ( TT_NEXT_USHORT( p ) != 0 ) - { - p -= 2; - FT_ERROR(( "tt_face_build_cmaps: unsupported `cmap' table format = %d\n", - TT_PEEK_USHORT( p ) )); - return SFNT_Err_Invalid_Table; - } - - num_cmaps = TT_NEXT_USHORT( p ); - - for ( ; num_cmaps > 0 && p + 8 <= limit; num_cmaps-- ) - { - FT_CharMapRec charmap; - FT_UInt32 offset; - - - charmap.platform_id = TT_NEXT_USHORT( p ); - charmap.encoding_id = TT_NEXT_USHORT( p ); - charmap.face = FT_FACE( face ); - charmap.encoding = FT_ENCODING_NONE; /* will be filled later */ - offset = TT_NEXT_ULONG( p ); - - if ( offset && table + offset + 2 < limit ) - { - FT_Byte* cmap = table + offset; - volatile FT_UInt format = TT_PEEK_USHORT( cmap ); - const TT_CMap_Class* volatile pclazz = tt_cmap_classes; - TT_CMap_Class clazz; - - - for ( ; *pclazz; pclazz++ ) - { - clazz = *pclazz; - if ( clazz->format == format ) - { - volatile TT_ValidatorRec valid; - - - ft_validator_init( FT_VALIDATOR( &valid ), cmap, limit, - FT_VALIDATE_DEFAULT ); - - valid.num_glyphs = (FT_UInt)face->root.num_glyphs; - - if ( ft_setjmp( FT_VALIDATOR( &valid )->jump_buffer ) == 0 ) - { - /* validate this cmap sub-table */ - clazz->validate( cmap, FT_VALIDATOR( &valid ) ); - } - - if ( valid.validator.error == 0 ) - (void)FT_CMap_New( (FT_CMap_Class)clazz, cmap, &charmap, NULL ); - else - { - FT_ERROR(( "tt_face_build_cmaps:" )); - FT_ERROR(( " broken cmap sub-table ignored!\n" )); - } - break; - } - } - } - } - - return 0; - } - - - FT_LOCAL( FT_Error ) - tt_get_cmap_info( FT_CharMap charmap, - TT_CMapInfo *cmap_info ) - { - FT_CMap cmap = (FT_CMap)charmap; - TT_CMap_Class clazz = (TT_CMap_Class)cmap->clazz; - - - return clazz->get_cmap_info( charmap, cmap_info ); - } - - -/* END */ diff --git a/nx-X11/extras/freetype2/src/sfnt/ttcmap0.h b/nx-X11/extras/freetype2/src/sfnt/ttcmap0.h deleted file mode 100644 index 6ca9ca110..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/ttcmap0.h +++ /dev/null @@ -1,80 +0,0 @@ -/***************************************************************************/ -/* */ -/* ttcmap0.h */ -/* */ -/* TrueType new character mapping table (cmap) support (specification). */ -/* */ -/* Copyright 2002, 2003 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* 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 __TTCMAP0_H__ -#define __TTCMAP0_H__ - - -#include <ft2build.h> -#include FT_INTERNAL_TRUETYPE_TYPES_H -#include FT_INTERNAL_OBJECTS_H -#include FT_SERVICE_TT_CMAP_H - -FT_BEGIN_HEADER - - typedef struct TT_CMapRec_ - { - FT_CMapRec cmap; - FT_Byte* data; /* pointer to in-memory cmap table */ - - } TT_CMapRec, *TT_CMap; - - typedef const struct TT_CMap_ClassRec_* TT_CMap_Class; - - - typedef FT_Error - (*TT_CMap_ValidateFunc)( FT_Byte* data, - FT_Validator valid ); - - typedef struct TT_CMap_ClassRec_ - { - FT_CMap_ClassRec clazz; - FT_UInt format; - TT_CMap_ValidateFunc validate; - TT_CMap_Info_GetFunc get_cmap_info; - - } TT_CMap_ClassRec; - - - typedef struct TT_ValidatorRec_ - { - FT_ValidatorRec validator; - FT_UInt num_glyphs; - - } TT_ValidatorRec, *TT_Validator; - - -#define TT_VALIDATOR( x ) ((TT_Validator)( x )) -#define TT_VALID_GLYPH_COUNT( x ) TT_VALIDATOR( x )->num_glyphs - - - FT_LOCAL( FT_Error ) - tt_face_build_cmaps( TT_Face face ); - - /* used in tt-cmaps service */ - FT_LOCAL( FT_Error ) - tt_get_cmap_info( FT_CharMap charmap, - TT_CMapInfo *cmap_info ); - - -FT_END_HEADER - -#endif /* __TTCMAP0_H__ */ - - -/* END */ diff --git a/nx-X11/extras/freetype2/src/sfnt/ttload.c b/nx-X11/extras/freetype2/src/sfnt/ttload.c deleted file mode 100644 index fa5c6a71a..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/ttload.c +++ /dev/null @@ -1,1912 +0,0 @@ -/***************************************************************************/ -/* */ -/* ttload.c */ -/* */ -/* Load the basic TrueType tables, i.e., tables that can be either in */ -/* TTF or OTF fonts (body). */ -/* */ -/* Copyright 1996-2001, 2002, 2003, 2004 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* 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_INTERNAL_DEBUG_H -#include FT_INTERNAL_STREAM_H -#include FT_TRUETYPE_TAGS_H -#include "ttload.h" - -#include "sferrors.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_ttload - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_lookup_table */ - /* */ - /* <Description> */ - /* Looks for a TrueType table by name. */ - /* */ - /* <Input> */ - /* face :: A face object handle. */ - /* */ - /* tag :: The searched tag. */ - /* */ - /* <Return> */ - /* A pointer to the table directory entry. 0 if not found. */ - /* */ - FT_LOCAL_DEF( TT_Table ) - tt_face_lookup_table( TT_Face face, - FT_ULong tag ) - { - TT_Table entry; - TT_Table limit; - - - FT_TRACE3(( "tt_face_lookup_table: %08p, `%c%c%c%c' -- ", - face, - (FT_Char)( tag >> 24 ), - (FT_Char)( tag >> 16 ), - (FT_Char)( tag >> 8 ), - (FT_Char)( tag ) )); - - entry = face->dir_tables; - limit = entry + face->num_tables; - - 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_TRACE3(( "found table.\n" )); - return entry; - } - } - - FT_TRACE3(( "could not find table!\n" )); - return 0; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_goto_table */ - /* */ - /* <Description> */ - /* Looks for a TrueType table by name, then seek a stream to it. */ - /* */ - /* <Input> */ - /* face :: A face object handle. */ - /* */ - /* tag :: The searched tag. */ - /* */ - /* stream :: The stream to seek when the table is found. */ - /* */ - /* <Output> */ - /* length :: The length of the table if found, undefined otherwise. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_goto_table( TT_Face face, - FT_ULong tag, - FT_Stream stream, - FT_ULong* length ) - { - TT_Table table; - FT_Error error; - - - table = tt_face_lookup_table( face, tag ); - if ( table ) - { - if ( length ) - *length = table->Length; - - if ( FT_STREAM_SEEK( table->Offset ) ) - goto Exit; - } - else - error = SFNT_Err_Table_Missing; - - Exit: - return error; - } - - - /* In theory, we should check the values of `search_range', */ - /* `entry_selector', and `range_shift' to detect non-SFNT based files */ - /* whose header might also start with 0x100000L (yes, these exist). */ - /* */ - /* Very unfortunately, many TrueType fonts don't have these fields */ - /* set correctly and we must ignore them to support them. An alternative */ - /* way to check the font file is thus to: */ - /* */ - /* - check that `num_tables' is valid */ - /* - look for a "head" table, check its size, and parse it to */ - /* see if 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 will generally be invalid. */ - /* */ - static FT_Error - sfnt_dir_check( FT_Stream stream, - FT_ULong offset, - FT_UInt num_tables ) - { - FT_Error error; - FT_UInt nn, has_head = 0; - - const FT_ULong glyx_tag = FT_MAKE_TAG( 'g', 'l', 'y', 'x' ); - const FT_ULong locx_tag = FT_MAKE_TAG( 'l', 'o', 'c', 'x' ); - - static const FT_Frame_Field sfnt_dir_entry_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE TT_TableRec - - FT_FRAME_START( 16 ), - FT_FRAME_ULONG( Tag ), - FT_FRAME_ULONG( CheckSum ), - FT_FRAME_ULONG( Offset ), - FT_FRAME_ULONG( Length ), - FT_FRAME_END - }; - - - /* if 'num_tables' is 0, read the table count from the file */ - if ( num_tables == 0 ) - { - if ( FT_STREAM_SEEK( offset ) || - FT_STREAM_SKIP( 4 ) || - FT_READ_USHORT( num_tables ) || - FT_STREAM_SKIP( 6 ) ) - goto Bad_Format; - - if ( offset + 12 + num_tables*16 > stream->size ) - goto Bad_Format; - } - else if ( FT_STREAM_SEEK( offset + 12 ) ) - goto Bad_Format; - - for ( nn = 0; nn < num_tables; nn++ ) - { - TT_TableRec table; - - - if ( FT_STREAM_READ_FIELDS( sfnt_dir_entry_fields, &table ) ) - goto Bad_Format; - - if ( table.Offset + table.Length > stream->size && - table.Tag != glyx_tag && table.Tag != locx_tag ) - goto Bad_Format; - - if ( table.Tag == TTAG_head ) - { - FT_UInt32 magic; - - -#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS - head_retry: -#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ - - has_head = 1; - - /* The table length should be 0x36, but certain font tools - * make it 0x38, so we will just check that it is greater. - * - * Note that according to the specification, - * the table must be padded to 32-bit lengths, but this doesn't - * apply to the value of its "Length" field! - */ - if ( table.Length < 0x36 || - FT_STREAM_SEEK( table.Offset + 12 ) || - FT_READ_ULONG( magic ) || - magic != 0x5F0F3CF5UL ) - goto Bad_Format; - - if ( FT_STREAM_SEEK( offset + 28 + 16*nn ) ) - goto Bad_Format; - } -#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS - else if ( table.Tag == TTAG_bhed ) - goto head_retry; -#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ - } - - if ( has_head == 0 ) - goto Bad_Format; - - Exit: - return error; - - Bad_Format: - error = SFNT_Err_Unknown_File_Format; - goto Exit; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_sfnt_header */ - /* */ - /* <Description> */ - /* Loads the header of a SFNT font file. Supports collections. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* face_index :: If the font is a collection, the number of the font */ - /* in the collection. Must be zero otherwise. */ - /* */ - /* <Output> */ - /* sfnt :: The SFNT header. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - /* <Note> */ - /* The stream cursor must be at the font file's origin. */ - /* */ - /* This function recognizes fonts embedded in a `TrueType collection' */ - /* */ - /* The header will be checked whether it is valid by looking at the */ - /* values of `search_range', `entry_selector', and `range_shift'. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_load_sfnt_header( TT_Face face, - FT_Stream stream, - FT_Long face_index, - SFNT_Header sfnt ) - { - FT_Error error; - FT_ULong font_format_tag, format_tag, offset; - FT_Memory memory = stream->memory; - - static const FT_Frame_Field sfnt_header_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE SFNT_HeaderRec - - FT_FRAME_START( 8 ), - FT_FRAME_USHORT( num_tables ), - FT_FRAME_USHORT( search_range ), - FT_FRAME_USHORT( entry_selector ), - FT_FRAME_USHORT( range_shift ), - FT_FRAME_END - }; - - static const FT_Frame_Field ttc_header_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE TTC_HeaderRec - - FT_FRAME_START( 8 ), - FT_FRAME_LONG( version ), - FT_FRAME_LONG( count ), - FT_FRAME_END - }; - - - FT_TRACE2(( "tt_face_load_sfnt_header: %08p, %ld\n", - face, face_index )); - - face->ttc_header.tag = 0; - face->ttc_header.version = 0; - face->ttc_header.count = 0; - - face->num_tables = 0; - - /* First of all, read the first 4 bytes. If it is `ttcf', then the */ - /* file is a TrueType collection, otherwise it is a single-face font. */ - /* */ - offset = FT_STREAM_POS(); - - if ( FT_READ_ULONG( font_format_tag ) ) - goto Exit; - - format_tag = font_format_tag; - - if ( font_format_tag == TTAG_ttcf ) - { - FT_Int n; - - - FT_TRACE3(( "tt_face_load_sfnt_header: file is a collection\n" )); - - /* It is a TrueType collection, i.e. a file containing several */ - /* font files. Read the font directory now */ - if ( FT_STREAM_READ_FIELDS( ttc_header_fields, &face->ttc_header ) ) - goto Exit; - - /* now read the offsets of each font in the file */ - if ( FT_NEW_ARRAY( face->ttc_header.offsets, face->ttc_header.count ) || - FT_FRAME_ENTER( face->ttc_header.count * 4L ) ) - goto Exit; - - for ( n = 0; n < face->ttc_header.count; n++ ) - face->ttc_header.offsets[n] = FT_GET_ULONG(); - - FT_FRAME_EXIT(); - - /* check face index */ - if ( face_index >= face->ttc_header.count ) - { - error = SFNT_Err_Bad_Argument; - goto Exit; - } - - /* seek to the appropriate TrueType file, then read tag */ - offset = face->ttc_header.offsets[face_index]; - - if ( FT_STREAM_SEEK( offset ) || - FT_READ_LONG( format_tag ) ) - goto Exit; - } - - /* the format tag was read, now check the rest of the header */ - sfnt->format_tag = format_tag; - sfnt->offset = offset; - - if ( FT_STREAM_READ_FIELDS( sfnt_header_fields, sfnt ) ) - goto Exit; - - /* now check the sfnt directory */ - error = sfnt_dir_check( stream, offset, sfnt->num_tables ); - if ( error ) - { - FT_TRACE2(( "tt_face_load_sfnt_header: file is not SFNT!\n" )); - error = SFNT_Err_Unknown_File_Format; - goto Exit; - } - - /* disallow face index values > 0 for non-TTC files */ - if ( font_format_tag != TTAG_ttcf && face_index > 0 ) - error = SFNT_Err_Bad_Argument; - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_directory */ - /* */ - /* <Description> */ - /* Loads the table directory into a face object. */ - /* */ - /* <InOut> */ - /* face :: A handle to the target face object. */ - /* */ - /* <Input> */ - /* stream :: The input stream. */ - /* */ - /* sfnt :: The SFNT directory header. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - /* <Note> */ - /* The stream cursor must be at the font file's origin. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_load_directory( TT_Face face, - FT_Stream stream, - SFNT_Header sfnt ) - { - FT_Error error; - FT_Memory memory = stream->memory; - - TT_TableRec *entry, *limit; - - - FT_TRACE2(( "tt_face_load_directory: %08p\n", face )); - - FT_TRACE2(( "-- Tables count: %12u\n", sfnt->num_tables )); - FT_TRACE2(( "-- Format version: %08lx\n", sfnt->format_tag )); - - face->num_tables = sfnt->num_tables; - - if ( FT_QNEW_ARRAY( face->dir_tables, face->num_tables ) ) - goto Exit; - - if ( FT_STREAM_SEEK( sfnt->offset + 12 ) || - FT_FRAME_ENTER( face->num_tables * 16L ) ) - goto Exit; - - entry = face->dir_tables; - limit = entry + face->num_tables; - - for ( ; entry < limit; entry++ ) - { /* loop through the tables and get all entries */ - 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 )); - } - - FT_FRAME_EXIT(); - - FT_TRACE2(( "Directory loaded\n\n" )); - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_any */ - /* */ - /* <Description> */ - /* Loads any font table into client memory. */ - /* */ - /* <Input> */ - /* face :: The face object to look for. */ - /* */ - /* tag :: The tag of table to load. Use the value 0 if you want */ - /* to access the whole font file, else set this parameter */ - /* to a valid TrueType table tag that you can forge with */ - /* the MAKE_TT_TAG macro. */ - /* */ - /* offset :: The starting offset in the table (or the file if */ - /* tag == 0). */ - /* */ - /* length :: The address of the decision variable: */ - /* */ - /* If length == NULL: */ - /* Loads the whole table. Returns an error if */ - /* `offset' == 0! */ - /* */ - /* If *length == 0: */ - /* Exits immediately; returning the length of the given */ - /* table or of the font file, depending on the value of */ - /* `tag'. */ - /* */ - /* If *length != 0: */ - /* Loads the next `length' bytes of table or font, */ - /* starting at offset `offset' (in table or font too). */ - /* */ - /* <Output> */ - /* buffer :: The address of target buffer. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_load_any( TT_Face face, - FT_ULong tag, - FT_Long offset, - FT_Byte* buffer, - FT_ULong* length ) - { - FT_Error error; - FT_Stream stream; - TT_Table table; - FT_ULong size; - - - if ( tag != 0 ) - { - /* look for tag in font directory */ - table = tt_face_lookup_table( face, tag ); - if ( !table ) - { - error = SFNT_Err_Table_Missing; - goto Exit; - } - - offset += table->Offset; - size = table->Length; - } - else - /* tag == 0 -- the user wants to access the font file directly */ - size = face->root.stream->size; - - if ( length && *length == 0 ) - { - *length = size; - - return SFNT_Err_Ok; - } - - if ( length ) - size = *length; - - stream = face->root.stream; - /* the `if' is syntactic sugar for picky compilers */ - if ( FT_STREAM_READ_AT( offset, buffer, size ) ) - goto Exit; - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_generic_header */ - /* */ - /* <Description> */ - /* Loads the TrueType table `head' or `bhed'. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - static FT_Error - tt_face_load_generic_header( TT_Face face, - FT_Stream stream, - FT_ULong tag ) - { - FT_Error error; - TT_Header* header; - - static const FT_Frame_Field header_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE TT_Header - - FT_FRAME_START( 54 ), - FT_FRAME_ULONG ( Table_Version ), - FT_FRAME_ULONG ( Font_Revision ), - FT_FRAME_LONG ( CheckSum_Adjust ), - FT_FRAME_LONG ( Magic_Number ), - FT_FRAME_USHORT( Flags ), - FT_FRAME_USHORT( Units_Per_EM ), - FT_FRAME_LONG ( Created[0] ), - FT_FRAME_LONG ( Created[1] ), - FT_FRAME_LONG ( Modified[0] ), - FT_FRAME_LONG ( Modified[1] ), - FT_FRAME_SHORT ( xMin ), - FT_FRAME_SHORT ( yMin ), - FT_FRAME_SHORT ( xMax ), - FT_FRAME_SHORT ( yMax ), - FT_FRAME_USHORT( Mac_Style ), - FT_FRAME_USHORT( Lowest_Rec_PPEM ), - FT_FRAME_SHORT ( Font_Direction ), - FT_FRAME_SHORT ( Index_To_Loc_Format ), - FT_FRAME_SHORT ( Glyph_Data_Format ), - FT_FRAME_END - }; - - - FT_TRACE2(( "tt_face_load_generic_header: " - "%08p, looking up font table `%c%c%c%c'.\n", - face, - (FT_Char)( tag >> 24 ), - (FT_Char)( tag >> 16 ), - (FT_Char)( tag >> 8 ), - (FT_Char)( tag ) )); - - error = face->goto_table( face, tag, stream, 0 ); - if ( error ) - { - FT_TRACE2(( "tt_face_load_generic_header: Font table is missing!\n" )); - goto Exit; - } - - header = &face->header; - - if ( FT_STREAM_READ_FIELDS( header_fields, header ) ) - goto Exit; - - FT_TRACE2(( " Units per EM: %8u\n", header->Units_Per_EM )); - FT_TRACE2(( " IndexToLoc: %8d\n", header->Index_To_Loc_Format )); - FT_TRACE2(( "tt_face_load_generic_header: Font table loaded.\n" )); - - Exit: - return error; - } - - - FT_LOCAL_DEF( FT_Error ) - tt_face_load_header( TT_Face face, - FT_Stream stream ) - { - return tt_face_load_generic_header( face, stream, TTAG_head ); - } - - -#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS - - FT_LOCAL_DEF( FT_Error ) - tt_face_load_bitmap_header( TT_Face face, - FT_Stream stream ) - { - return tt_face_load_generic_header( face, stream, TTAG_bhed ); - } - -#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_max_profile */ - /* */ - /* <Description> */ - /* Loads the maximum profile into a face object. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_load_max_profile( TT_Face face, - FT_Stream stream ) - { - FT_Error error; - TT_MaxProfile* maxProfile = &face->max_profile; - - const FT_Frame_Field maxp_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE TT_MaxProfile - - FT_FRAME_START( 6 ), - FT_FRAME_LONG ( version ), - FT_FRAME_USHORT( numGlyphs ), - FT_FRAME_END - }; - - const FT_Frame_Field maxp_fields_extra[] = - { - FT_FRAME_START( 26 ), - FT_FRAME_USHORT( maxPoints ), - FT_FRAME_USHORT( maxContours ), - FT_FRAME_USHORT( maxCompositePoints ), - FT_FRAME_USHORT( maxCompositeContours ), - FT_FRAME_USHORT( maxZones ), - FT_FRAME_USHORT( maxTwilightPoints ), - FT_FRAME_USHORT( maxStorage ), - FT_FRAME_USHORT( maxFunctionDefs ), - FT_FRAME_USHORT( maxInstructionDefs ), - FT_FRAME_USHORT( maxStackElements ), - FT_FRAME_USHORT( maxSizeOfInstructions ), - FT_FRAME_USHORT( maxComponentElements ), - FT_FRAME_USHORT( maxComponentDepth ), - FT_FRAME_END - }; - - - FT_TRACE2(( "Load_TT_MaxProfile: %08p\n", face )); - - error = face->goto_table( face, TTAG_maxp, stream, 0 ); - if ( error ) - goto Exit; - - if ( FT_STREAM_READ_FIELDS( maxp_fields, maxProfile ) ) - goto Exit; - - face->root.num_glyphs = maxProfile->numGlyphs; - - maxProfile->maxPoints = 0; - maxProfile->maxContours = 0; - maxProfile->maxCompositePoints = 0; - maxProfile->maxCompositeContours = 0; - maxProfile->maxZones = 0; - maxProfile->maxTwilightPoints = 0; - maxProfile->maxStorage = 0; - maxProfile->maxFunctionDefs = 0; - maxProfile->maxInstructionDefs = 0; - maxProfile->maxStackElements = 0; - maxProfile->maxSizeOfInstructions = 0; - maxProfile->maxComponentElements = 0; - maxProfile->maxComponentDepth = 0; - - if ( maxProfile->version >= 0x10000L ) - { - if ( FT_STREAM_READ_FIELDS( maxp_fields_extra, maxProfile ) ) - goto Exit; - - /* XXX: an adjustment that is necessary to load certain */ - /* broken fonts like `Keystrokes MT' :-( */ - /* */ - /* We allocate 64 function entries by default when */ - /* the maxFunctionDefs field is null. */ - - if ( maxProfile->maxFunctionDefs == 0 ) - maxProfile->maxFunctionDefs = 64; - - face->root.internal->max_points = - (FT_UShort)FT_MAX( maxProfile->maxCompositePoints, - maxProfile->maxPoints ); - - face->root.internal->max_contours = - (FT_Short)FT_MAX( maxProfile->maxCompositeContours, - maxProfile->maxContours ); - - face->max_components = (FT_ULong)maxProfile->maxComponentElements + - maxProfile->maxComponentDepth; - - /* XXX: some fonts have maxComponents set to 0; we will */ - /* then use 16 of them by default. */ - if ( face->max_components == 0 ) - face->max_components = 16; - - /* We also increase maxPoints and maxContours in order to support */ - /* some broken fonts. */ - face->root.internal->max_points += (FT_UShort)8; - face->root.internal->max_contours += (FT_Short) 4; - } - - FT_TRACE2(( "MAXP loaded.\n" )); - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_metrics */ - /* */ - /* <Description> */ - /* Loads the horizontal or vertical metrics table into a face object. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* vertical :: A boolean flag. If set, load vertical metrics. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - static FT_Error - tt_face_load_metrics( TT_Face face, - FT_Stream stream, - FT_Bool vertical ) - { - FT_Error error; - FT_Memory memory = stream->memory; - - FT_ULong table_len; - FT_Long num_shorts, num_longs, num_shorts_checked; - - TT_LongMetrics * longs; - TT_ShortMetrics** shorts; - - - FT_TRACE2(( "TT_Load_%s_Metrics: %08p\n", vertical ? "Vertical" - : "Horizontal", - face )); - - if ( vertical ) - { - /* The table is optional, quit silently if it wasn't found */ - /* */ - /* XXX: Some fonts have a valid vertical header with a non-null */ - /* `number_of_VMetrics' fields, but no corresponding `vmtx' */ - /* table to get the metrics from (e.g. mingliu). */ - /* */ - /* For safety, we set the field to 0! */ - /* */ - error = face->goto_table( face, TTAG_vmtx, stream, &table_len ); - if ( error ) - { - /* Set number_Of_VMetrics to 0! */ - FT_TRACE2(( " no vertical header in file.\n" )); - face->vertical.number_Of_VMetrics = 0; - error = SFNT_Err_Ok; - goto Exit; - } - - num_longs = face->vertical.number_Of_VMetrics; - longs = (TT_LongMetrics *)&face->vertical.long_metrics; - shorts = (TT_ShortMetrics**)&face->vertical.short_metrics; - } - else - { - error = face->goto_table( face, TTAG_hmtx, stream, &table_len ); - if ( error ) - { - -#ifdef FT_CONFIG_OPTION_INCREMENTAL - /* If this is an incrementally loaded font and there are */ - /* overriding metrics tolerate a missing 'hmtx' table. */ - if ( face->root.internal->incremental_interface && - face->root.internal->incremental_interface->funcs-> - get_glyph_metrics ) - { - face->horizontal.number_Of_HMetrics = 0; - error = SFNT_Err_Ok; - goto Exit; - } -#endif - - FT_ERROR(( " no horizontal metrics in file!\n" )); - error = SFNT_Err_Hmtx_Table_Missing; - goto Exit; - } - - num_longs = face->horizontal.number_Of_HMetrics; - longs = (TT_LongMetrics *)&face->horizontal.long_metrics; - shorts = (TT_ShortMetrics**)&face->horizontal.short_metrics; - } - - /* never trust derived values */ - - num_shorts = face->max_profile.numGlyphs - num_longs; - num_shorts_checked = ( table_len - num_longs * 4L ) / 2; - - if ( num_shorts < 0 ) - { - FT_ERROR(( "TT_Load_%s_Metrics: more metrics than glyphs!\n", - vertical ? "Vertical" - : "Horizontal" )); - - error = vertical ? SFNT_Err_Invalid_Vert_Metrics - : SFNT_Err_Invalid_Horiz_Metrics; - goto Exit; - } - - if ( FT_QNEW_ARRAY( *longs, num_longs ) || - FT_QNEW_ARRAY( *shorts, num_shorts ) ) - goto Exit; - - if ( FT_FRAME_ENTER( table_len ) ) - goto Exit; - - { - TT_LongMetrics cur = *longs; - TT_LongMetrics limit = cur + num_longs; - - - for ( ; cur < limit; cur++ ) - { - cur->advance = FT_GET_USHORT(); - cur->bearing = FT_GET_SHORT(); - } - } - - /* do we have an inconsistent number of metric values? */ - { - TT_ShortMetrics* cur = *shorts; - TT_ShortMetrics* limit = cur + - FT_MIN( num_shorts, num_shorts_checked ); - - - for ( ; cur < limit; cur++ ) - *cur = FT_GET_SHORT(); - - /* we fill up the missing left side bearings with the */ - /* last valid value. Since this will occur for buggy CJK */ - /* fonts usually only, nothing serious will happen */ - if ( num_shorts > num_shorts_checked && num_shorts_checked > 0 ) - { - FT_Short val = (*shorts)[num_shorts_checked - 1]; - - - limit = *shorts + num_shorts; - for ( ; cur < limit; cur++ ) - *cur = val; - } - } - - FT_FRAME_EXIT(); - - FT_TRACE2(( "loaded\n" )); - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_metrics_header */ - /* */ - /* <Description> */ - /* Loads the horizontal or vertical header in a face object. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* vertical :: A boolean flag. If set, load vertical metrics. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_load_metrics_header( TT_Face face, - FT_Stream stream, - FT_Bool vertical ) - { - FT_Error error; - TT_HoriHeader* header; - - const FT_Frame_Field metrics_header_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE TT_HoriHeader - - FT_FRAME_START( 36 ), - FT_FRAME_ULONG ( Version ), - FT_FRAME_SHORT ( Ascender ), - FT_FRAME_SHORT ( Descender ), - FT_FRAME_SHORT ( Line_Gap ), - FT_FRAME_USHORT( advance_Width_Max ), - FT_FRAME_SHORT ( min_Left_Side_Bearing ), - FT_FRAME_SHORT ( min_Right_Side_Bearing ), - FT_FRAME_SHORT ( xMax_Extent ), - FT_FRAME_SHORT ( caret_Slope_Rise ), - FT_FRAME_SHORT ( caret_Slope_Run ), - FT_FRAME_SHORT ( caret_Offset ), - FT_FRAME_SHORT ( Reserved[0] ), - FT_FRAME_SHORT ( Reserved[1] ), - FT_FRAME_SHORT ( Reserved[2] ), - FT_FRAME_SHORT ( Reserved[3] ), - FT_FRAME_SHORT ( metric_Data_Format ), - FT_FRAME_USHORT( number_Of_HMetrics ), - FT_FRAME_END - }; - - - FT_TRACE2(( vertical ? "Vertical header " : "Horizontal header " )); - - if ( vertical ) - { - face->vertical_info = 0; - - /* The vertical header table is optional, so return quietly if */ - /* we don't find it. */ - error = face->goto_table( face, TTAG_vhea, stream, 0 ); - if ( error ) - { - error = SFNT_Err_Ok; - goto Exit; - } - - face->vertical_info = 1; - header = (TT_HoriHeader*)&face->vertical; - } - else - { - /* The horizontal header is mandatory; return an error if we */ - /* don't find it. */ - error = face->goto_table( face, TTAG_hhea, stream, 0 ); - if ( error ) - { - error = SFNT_Err_Horiz_Header_Missing; - goto Exit; - } - - header = &face->horizontal; - } - - if ( FT_STREAM_READ_FIELDS( metrics_header_fields, header ) ) - goto Exit; - - header->long_metrics = NULL; - header->short_metrics = NULL; - - FT_TRACE2(( "loaded\n" )); - - /* Now try to load the corresponding metrics */ - - error = tt_face_load_metrics( face, stream, vertical ); - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_names */ - /* */ - /* <Description> */ - /* Loads the name records. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_load_names( TT_Face face, - FT_Stream stream ) - { - FT_Error error; - FT_Memory memory = stream->memory; - FT_ULong table_pos, table_len; - FT_ULong storage_start, storage_limit; - FT_UInt count; - TT_NameTable table; - - static const FT_Frame_Field name_table_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE TT_NameTableRec - - FT_FRAME_START( 6 ), - FT_FRAME_USHORT( format ), - FT_FRAME_USHORT( numNameRecords ), - FT_FRAME_USHORT( storageOffset ), - FT_FRAME_END - }; - - static const FT_Frame_Field name_record_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE TT_NameEntryRec - - /* no FT_FRAME_START */ - FT_FRAME_USHORT( platformID ), - FT_FRAME_USHORT( encodingID ), - FT_FRAME_USHORT( languageID ), - FT_FRAME_USHORT( nameID ), - FT_FRAME_USHORT( stringLength ), - FT_FRAME_USHORT( stringOffset ), - FT_FRAME_END - }; - - - table = &face->name_table; - table->stream = stream; - - FT_TRACE2(( "Names " )); - - error = face->goto_table( face, TTAG_name, stream, &table_len ); - if ( error ) - { - /* The name table is required so indicate failure. */ - FT_TRACE2(( "is missing!\n" )); - error = SFNT_Err_Name_Table_Missing; - goto Exit; - } - - table_pos = FT_STREAM_POS(); - - - if ( FT_STREAM_READ_FIELDS( name_table_fields, table ) ) - goto Exit; - - /* Some popular Asian fonts have an invalid `storageOffset' value */ - /* (it should be at least "6 + 12*num_names"). However, the string */ - /* offsets, computed as "storageOffset + entry->stringOffset", are */ - /* valid pointers within the name table... */ - /* */ - /* We thus can't check `storageOffset' right now. */ - /* */ - storage_start = table_pos + 6 + 12*table->numNameRecords; - storage_limit = table_pos + table_len; - - if ( storage_start > storage_limit ) - { - FT_ERROR(( "tt_face_load_names: invalid `name' table\n" )); - error = SFNT_Err_Name_Table_Missing; - goto Exit; - } - - /* Allocate the array of name records. */ - count = table->numNameRecords; - table->numNameRecords = 0; - - if ( FT_NEW_ARRAY( table->names, count ) || - FT_FRAME_ENTER( count * 12 ) ) - goto Exit; - - /* Load the name records and determine how much storage is needed */ - /* to hold the strings themselves. */ - { - TT_NameEntryRec* entry = table->names; - - - for ( ; count > 0; count-- ) - { - if ( FT_STREAM_READ_FIELDS( name_record_fields, entry ) ) - continue; - - /* check that the name is not empty */ - if ( entry->stringLength == 0 ) - continue; - - /* check that the name string is within the table */ - entry->stringOffset += table_pos + table->storageOffset; - if ( entry->stringOffset < storage_start || - entry->stringOffset + entry->stringLength > storage_limit ) - { - /* invalid entry - ignore it */ - entry->stringOffset = 0; - entry->stringLength = 0; - continue; - } - - entry++; - } - - table->numNameRecords = (FT_UInt)( entry - table->names ); - } - - FT_FRAME_EXIT(); - - FT_TRACE2(( "loaded\n" )); - - /* everything went well, update face->num_names */ - face->num_names = (FT_UShort) table->numNameRecords; - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_free_names */ - /* */ - /* <Description> */ - /* Frees the name records. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - FT_LOCAL_DEF( void ) - tt_face_free_names( TT_Face face ) - { - FT_Memory memory = face->root.driver->root.memory; - TT_NameTable table = &face->name_table; - TT_NameEntry entry = table->names; - FT_UInt count = table->numNameRecords; - - - if ( table->names ) - { - for ( ; count > 0; count--, entry++ ) - { - FT_FREE( entry->string ); - entry->stringLength = 0; - } - - /* free strings table */ - FT_FREE( table->names ); - } - - table->numNameRecords = 0; - table->format = 0; - table->storageOffset = 0; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_cmap */ - /* */ - /* <Description> */ - /* Loads the cmap directory in a face object. The cmaps itselves are */ - /* loaded on demand in the `ttcmap.c' module. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: A handle to the input stream. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - - FT_LOCAL_DEF( FT_Error ) - tt_face_load_cmap( TT_Face face, - FT_Stream stream ) - { - FT_Error error; - - - error = face->goto_table( face, TTAG_cmap, stream, &face->cmap_size ); - if ( error ) - { - FT_TRACE2(( "No `cmap' table in font !\n" )); - error = SFNT_Err_CMap_Table_Missing; - goto Exit; - } - - if ( !FT_FRAME_EXTRACT( face->cmap_size, face->cmap_table ) ) - FT_TRACE2(( "`cmap' table loaded\n" )); - else - { - FT_ERROR(( "`cmap' table is too short!\n" )); - face->cmap_size = 0; - } - - Exit: - return error; - } - - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_os2 */ - /* */ - /* <Description> */ - /* Loads the OS2 table. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: A handle to the input stream. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_load_os2( TT_Face face, - FT_Stream stream ) - { - FT_Error error; - TT_OS2* os2; - - const FT_Frame_Field os2_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE TT_OS2 - - FT_FRAME_START( 78 ), - FT_FRAME_USHORT( version ), - FT_FRAME_SHORT ( xAvgCharWidth ), - FT_FRAME_USHORT( usWeightClass ), - FT_FRAME_USHORT( usWidthClass ), - FT_FRAME_SHORT ( fsType ), - FT_FRAME_SHORT ( ySubscriptXSize ), - FT_FRAME_SHORT ( ySubscriptYSize ), - FT_FRAME_SHORT ( ySubscriptXOffset ), - FT_FRAME_SHORT ( ySubscriptYOffset ), - FT_FRAME_SHORT ( ySuperscriptXSize ), - FT_FRAME_SHORT ( ySuperscriptYSize ), - FT_FRAME_SHORT ( ySuperscriptXOffset ), - FT_FRAME_SHORT ( ySuperscriptYOffset ), - FT_FRAME_SHORT ( yStrikeoutSize ), - FT_FRAME_SHORT ( yStrikeoutPosition ), - FT_FRAME_SHORT ( sFamilyClass ), - FT_FRAME_BYTE ( panose[0] ), - FT_FRAME_BYTE ( panose[1] ), - FT_FRAME_BYTE ( panose[2] ), - FT_FRAME_BYTE ( panose[3] ), - FT_FRAME_BYTE ( panose[4] ), - FT_FRAME_BYTE ( panose[5] ), - FT_FRAME_BYTE ( panose[6] ), - FT_FRAME_BYTE ( panose[7] ), - FT_FRAME_BYTE ( panose[8] ), - FT_FRAME_BYTE ( panose[9] ), - FT_FRAME_ULONG ( ulUnicodeRange1 ), - FT_FRAME_ULONG ( ulUnicodeRange2 ), - FT_FRAME_ULONG ( ulUnicodeRange3 ), - FT_FRAME_ULONG ( ulUnicodeRange4 ), - FT_FRAME_BYTE ( achVendID[0] ), - FT_FRAME_BYTE ( achVendID[1] ), - FT_FRAME_BYTE ( achVendID[2] ), - FT_FRAME_BYTE ( achVendID[3] ), - - FT_FRAME_USHORT( fsSelection ), - FT_FRAME_USHORT( usFirstCharIndex ), - FT_FRAME_USHORT( usLastCharIndex ), - FT_FRAME_SHORT ( sTypoAscender ), - FT_FRAME_SHORT ( sTypoDescender ), - FT_FRAME_SHORT ( sTypoLineGap ), - FT_FRAME_USHORT( usWinAscent ), - FT_FRAME_USHORT( usWinDescent ), - FT_FRAME_END - }; - - const FT_Frame_Field os2_fields_extra[] = - { - FT_FRAME_START( 8 ), - FT_FRAME_ULONG( ulCodePageRange1 ), - FT_FRAME_ULONG( ulCodePageRange2 ), - FT_FRAME_END - }; - - const FT_Frame_Field os2_fields_extra2[] = - { - FT_FRAME_START( 10 ), - FT_FRAME_SHORT ( sxHeight ), - FT_FRAME_SHORT ( sCapHeight ), - FT_FRAME_USHORT( usDefaultChar ), - FT_FRAME_USHORT( usBreakChar ), - FT_FRAME_USHORT( usMaxContext ), - FT_FRAME_END - }; - - - FT_TRACE2(( "OS/2 Table " )); - - /* We now support old Mac fonts where the OS/2 table doesn't */ - /* exist. Simply put, we set the `version' field to 0xFFFF */ - /* and test this value each time we need to access the table. */ - error = face->goto_table( face, TTAG_OS2, stream, 0 ); - if ( error ) - { - FT_TRACE2(( "is missing!\n" )); - face->os2.version = 0xFFFFU; - error = SFNT_Err_Ok; - goto Exit; - } - - os2 = &face->os2; - - if ( FT_STREAM_READ_FIELDS( os2_fields, os2 ) ) - goto Exit; - - os2->ulCodePageRange1 = 0; - os2->ulCodePageRange2 = 0; - os2->sxHeight = 0; - os2->sCapHeight = 0; - os2->usDefaultChar = 0; - os2->usBreakChar = 0; - os2->usMaxContext = 0; - - if ( os2->version >= 0x0001 ) - { - /* only version 1 tables */ - if ( FT_STREAM_READ_FIELDS( os2_fields_extra, os2 ) ) - goto Exit; - - if ( os2->version >= 0x0002 ) - { - /* only version 2 tables */ - if ( FT_STREAM_READ_FIELDS( os2_fields_extra2, os2 ) ) - goto Exit; - } - } - - FT_TRACE2(( "loaded\n" )); - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_postscript */ - /* */ - /* <Description> */ - /* Loads the Postscript table. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: A handle to the input stream. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_load_postscript( TT_Face face, - FT_Stream stream ) - { - FT_Error error; - TT_Postscript* post = &face->postscript; - - static const FT_Frame_Field post_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE TT_Postscript - - FT_FRAME_START( 32 ), - FT_FRAME_ULONG( FormatType ), - FT_FRAME_ULONG( italicAngle ), - FT_FRAME_SHORT( underlinePosition ), - FT_FRAME_SHORT( underlineThickness ), - FT_FRAME_ULONG( isFixedPitch ), - FT_FRAME_ULONG( minMemType42 ), - FT_FRAME_ULONG( maxMemType42 ), - FT_FRAME_ULONG( minMemType1 ), - FT_FRAME_ULONG( maxMemType1 ), - FT_FRAME_END - }; - - - FT_TRACE2(( "PostScript " )); - - error = face->goto_table( face, TTAG_post, stream, 0 ); - if ( error ) - return SFNT_Err_Post_Table_Missing; - - if ( FT_STREAM_READ_FIELDS( post_fields, post ) ) - return error; - - /* we don't load the glyph names, we do that in another */ - /* module (ttpost). */ - FT_TRACE2(( "loaded\n" )); - - return SFNT_Err_Ok; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_pclt */ - /* */ - /* <Description> */ - /* Loads the PCL 5 Table. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: A handle to the input stream. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_load_pclt( TT_Face face, - FT_Stream stream ) - { - static const FT_Frame_Field pclt_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE TT_PCLT - - FT_FRAME_START( 54 ), - FT_FRAME_ULONG ( Version ), - FT_FRAME_ULONG ( FontNumber ), - FT_FRAME_USHORT( Pitch ), - FT_FRAME_USHORT( xHeight ), - FT_FRAME_USHORT( Style ), - FT_FRAME_USHORT( TypeFamily ), - FT_FRAME_USHORT( CapHeight ), - FT_FRAME_BYTES ( TypeFace, 16 ), - FT_FRAME_BYTES ( CharacterComplement, 8 ), - FT_FRAME_BYTES ( FileName, 6 ), - FT_FRAME_CHAR ( StrokeWeight ), - FT_FRAME_CHAR ( WidthType ), - FT_FRAME_BYTE ( SerifStyle ), - FT_FRAME_BYTE ( Reserved ), - FT_FRAME_END - }; - - FT_Error error; - TT_PCLT* pclt = &face->pclt; - - - FT_TRACE2(( "PCLT " )); - - /* optional table */ - error = face->goto_table( face, TTAG_PCLT, stream, 0 ); - if ( error ) - { - FT_TRACE2(( "missing (optional)\n" )); - pclt->Version = 0; - return SFNT_Err_Ok; - } - - if ( FT_STREAM_READ_FIELDS( pclt_fields, pclt ) ) - goto Exit; - - FT_TRACE2(( "loaded\n" )); - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_gasp */ - /* */ - /* <Description> */ - /* Loads the `gasp' table into a face object. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_load_gasp( TT_Face face, - FT_Stream stream ) - { - FT_Error error; - FT_Memory memory = stream->memory; - - FT_UInt j,num_ranges; - TT_GaspRange gaspranges; - - - FT_TRACE2(( "tt_face_load_gasp: %08p\n", face )); - - /* the gasp table is optional */ - error = face->goto_table( face, TTAG_gasp, stream, 0 ); - if ( error ) - return SFNT_Err_Ok; - - if ( FT_FRAME_ENTER( 4L ) ) - goto Exit; - - face->gasp.version = FT_GET_USHORT(); - face->gasp.numRanges = FT_GET_USHORT(); - - FT_FRAME_EXIT(); - - num_ranges = face->gasp.numRanges; - FT_TRACE3(( "number of ranges = %d\n", num_ranges )); - - if ( FT_QNEW_ARRAY( gaspranges, num_ranges ) || - FT_FRAME_ENTER( num_ranges * 4L ) ) - goto Exit; - - face->gasp.gaspRanges = gaspranges; - - for ( j = 0; j < num_ranges; j++ ) - { - gaspranges[j].maxPPEM = FT_GET_USHORT(); - gaspranges[j].gaspFlag = FT_GET_USHORT(); - - FT_TRACE3(( " [max:%d flag:%d]", - gaspranges[j].maxPPEM, - gaspranges[j].gaspFlag )); - } - FT_TRACE3(( "\n" )); - - FT_FRAME_EXIT(); - FT_TRACE2(( "GASP loaded\n" )); - - Exit: - return error; - } - - - FT_CALLBACK_DEF( int ) - tt_kern_pair_compare( const void* a, - const void* b ); - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_kern */ - /* */ - /* <Description> */ - /* Loads the first kerning table with format 0 in the font. Only */ - /* accepts the first horizontal kerning table. Developers should use */ - /* the `ftxkern' extension to access other kerning tables in the font */ - /* file, if they really want to. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - -#undef TT_KERN_INDEX -#define TT_KERN_INDEX( g1, g2 ) ( ( (FT_ULong)g1 << 16 ) | g2 ) - - - FT_LOCAL_DEF( FT_Error ) - tt_face_load_kern( TT_Face face, - FT_Stream stream ) - { - FT_Error error; - FT_Memory memory = stream->memory; - - FT_UInt n, num_tables; - - - /* the kern table is optional; exit silently if it is missing */ - error = face->goto_table( face, TTAG_kern, stream, 0 ); - if ( error ) - return SFNT_Err_Ok; - - if ( FT_FRAME_ENTER( 4L ) ) - goto Exit; - - (void)FT_GET_USHORT(); /* version */ - num_tables = FT_GET_USHORT(); - - FT_FRAME_EXIT(); - - for ( n = 0; n < num_tables; n++ ) - { - FT_UInt coverage; - FT_UInt length; - - - if ( FT_FRAME_ENTER( 6L ) ) - goto Exit; - - (void)FT_GET_USHORT(); /* version */ - length = FT_GET_USHORT() - 6; /* substract header length */ - coverage = FT_GET_USHORT(); - - FT_FRAME_EXIT(); - - if ( coverage == 0x0001 ) - { - FT_UInt num_pairs; - TT_Kern0_Pair pair; - TT_Kern0_Pair limit; - - - /* found a horizontal format 0 kerning table! */ - if ( FT_FRAME_ENTER( 8L ) ) - goto Exit; - - num_pairs = FT_GET_USHORT(); - - /* skip the rest */ - - FT_FRAME_EXIT(); - - /* allocate array of kerning pairs */ - if ( FT_QNEW_ARRAY( face->kern_pairs, num_pairs ) || - FT_FRAME_ENTER( 6L * num_pairs ) ) - goto Exit; - - pair = face->kern_pairs; - limit = pair + num_pairs; - for ( ; pair < limit; pair++ ) - { - pair->left = FT_GET_USHORT(); - pair->right = FT_GET_USHORT(); - pair->value = FT_GET_USHORT(); - } - - FT_FRAME_EXIT(); - - face->num_kern_pairs = num_pairs; - face->kern_table_index = n; - - /* ensure that the kerning pair table is sorted (yes, some */ - /* fonts have unsorted tables!) */ - -#if 1 - if ( num_pairs > 0 ) - { - TT_Kern0_Pair pair0 = face->kern_pairs; - FT_ULong prev = TT_KERN_INDEX( pair0->left, pair0->right ); - - - for ( pair0++; pair0 < limit; pair0++ ) - { - FT_ULong next = TT_KERN_INDEX( pair0->left, pair0->right ); - - - if ( next < prev ) - goto SortIt; - - prev = next; - } - goto Exit; - - SortIt: - ft_qsort( (void*)face->kern_pairs, (int)num_pairs, - sizeof ( TT_Kern0_PairRec ), tt_kern_pair_compare ); - } -#else - { - TT_Kern0_Pair pair0 = face->kern_pairs; - FT_UInt i; - - - for ( i = 1; i < num_pairs; i++, pair0++ ) - { - if ( tt_kern_pair_compare( pair0, pair0 + 1 ) != -1 ) - { - ft_qsort( (void*)face->kern_pairs, (int)num_pairs, - sizeof ( TT_Kern0_PairRec ), tt_kern_pair_compare ); - break; - } - } - } -#endif - - goto Exit; - } - - if ( FT_STREAM_SKIP( length ) ) - goto Exit; - } - - /* no kern table found -- doesn't matter */ - face->kern_table_index = -1; - face->num_kern_pairs = 0; - face->kern_pairs = NULL; - - Exit: - return error; - } - - - FT_CALLBACK_DEF( int ) - tt_kern_pair_compare( const void* a, - const void* b ) - { - TT_Kern0_Pair pair1 = (TT_Kern0_Pair)a; - TT_Kern0_Pair pair2 = (TT_Kern0_Pair)b; - - FT_ULong index1 = TT_KERN_INDEX( pair1->left, pair1->right ); - FT_ULong index2 = TT_KERN_INDEX( pair2->left, pair2->right ); - - - return ( index1 < index2 ? -1 : - ( index1 > index2 ? 1 : 0 )); - } - - -#undef TT_KERN_INDEX - - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_hdmx */ - /* */ - /* <Description> */ - /* Loads the horizontal device metrics table. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: A handle to the input stream. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_load_hdmx( TT_Face face, - FT_Stream stream ) - { - FT_Error error; - FT_Memory memory = stream->memory; - - TT_Hdmx hdmx = &face->hdmx; - FT_Short num_records; - FT_Long num_glyphs; - FT_Long record_size; - - - hdmx->version = 0; - hdmx->num_records = 0; - hdmx->records = 0; - - /* this table is optional */ - error = face->goto_table( face, TTAG_hdmx, stream, 0 ); - if ( error ) - return SFNT_Err_Ok; - - if ( FT_FRAME_ENTER( 8L ) ) - goto Exit; - - hdmx->version = FT_GET_USHORT(); - num_records = FT_GET_SHORT(); - record_size = FT_GET_LONG(); - - FT_FRAME_EXIT(); - - /* Only recognize format 0 */ - if ( hdmx->version != 0 ) - goto Exit; - - if ( FT_QNEW_ARRAY( hdmx->records, num_records ) ) - goto Exit; - - hdmx->num_records = num_records; - num_glyphs = face->root.num_glyphs; - record_size -= num_glyphs + 2; - - { - TT_HdmxEntry cur = hdmx->records; - TT_HdmxEntry limit = cur + hdmx->num_records; - - - for ( ; cur < limit; cur++ ) - { - /* read record */ - if ( FT_READ_BYTE( cur->ppem ) || - FT_READ_BYTE( cur->max_width ) ) - goto Exit; - - if ( FT_QALLOC( cur->widths, num_glyphs ) || - FT_STREAM_READ( cur->widths, num_glyphs ) ) - goto Exit; - - /* skip padding bytes */ - if ( record_size > 0 && FT_STREAM_SKIP( record_size ) ) - goto Exit; - } - } - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_free_hdmx */ - /* */ - /* <Description> */ - /* Frees the horizontal device metrics table. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - FT_LOCAL_DEF( void ) - tt_face_free_hdmx( TT_Face face ) - { - if ( face ) - { - FT_Int n; - FT_Memory memory = face->root.driver->root.memory; - - - for ( n = 0; n < face->hdmx.num_records; n++ ) - FT_FREE( face->hdmx.records[n].widths ); - - FT_FREE( face->hdmx.records ); - face->hdmx.num_records = 0; - } - } - - -/* END */ diff --git a/nx-X11/extras/freetype2/src/sfnt/ttload.h b/nx-X11/extras/freetype2/src/sfnt/ttload.h deleted file mode 100644 index 27c41b50b..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/ttload.h +++ /dev/null @@ -1,137 +0,0 @@ -/***************************************************************************/ -/* */ -/* ttload.h */ -/* */ -/* Load the basic TrueType tables, i.e., tables that can be either in */ -/* TTF or OTF fonts (specification). */ -/* */ -/* Copyright 1996-2001, 2002 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* 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 __TTLOAD_H__ -#define __TTLOAD_H__ - - -#include <ft2build.h> -#include FT_INTERNAL_STREAM_H -#include FT_INTERNAL_TRUETYPE_TYPES_H - - -FT_BEGIN_HEADER - - - FT_LOCAL( TT_Table ) - tt_face_lookup_table( TT_Face face, - FT_ULong tag ); - - FT_LOCAL( FT_Error ) - tt_face_goto_table( TT_Face face, - FT_ULong tag, - FT_Stream stream, - FT_ULong* length ); - - - FT_LOCAL( FT_Error ) - tt_face_load_sfnt_header( TT_Face face, - FT_Stream stream, - FT_Long face_index, - SFNT_Header sfnt ); - - FT_LOCAL( FT_Error ) - tt_face_load_directory( TT_Face face, - FT_Stream stream, - SFNT_Header sfnt ); - - FT_LOCAL( FT_Error ) - tt_face_load_any( TT_Face face, - FT_ULong tag, - FT_Long offset, - FT_Byte* buffer, - FT_ULong* length ); - - - FT_LOCAL( FT_Error ) - tt_face_load_header( TT_Face face, - FT_Stream stream ); - - - FT_LOCAL( FT_Error ) - tt_face_load_metrics_header( TT_Face face, - FT_Stream stream, - FT_Bool vertical ); - - - FT_LOCAL( FT_Error ) - tt_face_load_cmap( TT_Face face, - FT_Stream stream ); - - - FT_LOCAL( FT_Error ) - tt_face_load_max_profile( TT_Face face, - FT_Stream stream ); - - - FT_LOCAL( FT_Error ) - tt_face_load_names( TT_Face face, - FT_Stream stream ); - - - FT_LOCAL( FT_Error ) - tt_face_load_os2( TT_Face face, - FT_Stream stream ); - - - FT_LOCAL( FT_Error ) - tt_face_load_postscript( TT_Face face, - FT_Stream stream ); - - - FT_LOCAL( FT_Error ) - tt_face_load_hdmx( TT_Face face, - FT_Stream stream ); - - FT_LOCAL( FT_Error ) - tt_face_load_pclt( TT_Face face, - FT_Stream stream ); - - FT_LOCAL( void ) - tt_face_free_names( TT_Face face ); - - - FT_LOCAL( void ) - tt_face_free_hdmx ( TT_Face face ); - - - FT_LOCAL( FT_Error ) - tt_face_load_kern( TT_Face face, - FT_Stream stream ); - - - FT_LOCAL( FT_Error ) - tt_face_load_gasp( TT_Face face, - FT_Stream stream ); - -#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS - - FT_LOCAL( FT_Error ) - tt_face_load_bitmap_header( TT_Face face, - FT_Stream stream ); - -#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ - - -FT_END_HEADER - -#endif /* __TTLOAD_H__ */ - - -/* END */ diff --git a/nx-X11/extras/freetype2/src/sfnt/ttpost.c b/nx-X11/extras/freetype2/src/sfnt/ttpost.c deleted file mode 100644 index 3d526db4c..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/ttpost.c +++ /dev/null @@ -1,521 +0,0 @@ -/***************************************************************************/ -/* */ -/* ttpost.c */ -/* */ -/* Postcript name table processing for TrueType and OpenType fonts */ -/* (body). */ -/* */ -/* Copyright 1996-2001, 2002, 2003 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* 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. */ -/* */ -/***************************************************************************/ - - /*************************************************************************/ - /* */ - /* The post table is not completely loaded by the core engine. This */ - /* file loads the missing PS glyph names and implements an API to access */ - /* them. */ - /* */ - /*************************************************************************/ - - -#include <ft2build.h> -#include FT_INTERNAL_STREAM_H -#include FT_TRUETYPE_TAGS_H -#include "ttpost.h" -#include "ttload.h" - -#include "sferrors.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_ttpost - - - /* If this configuration macro is defined, we rely on the `PSNames' */ - /* module to grab the glyph names. */ - -#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES - - -#include FT_SERVICE_POSTSCRIPT_CMAPS_H - -#define MAC_NAME( x ) ( (FT_String*)psnames->macintosh_name( x ) ) - - -#else /* FT_CONFIG_OPTION_POSTSCRIPT_NAMES */ - - - /* Otherwise, we ignore the `PSNames' module, and provide our own */ - /* 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] - - /* the 258 default Mac PS glyph names */ - - static const FT_String* tt_post_default_names[258] = - { - /* 0 */ - ".notdef", ".null", "CR", "space", "exclam", - "quotedbl", "numbersign", "dollar", "percent", "ampersand", - /* 10 */ - "quotesingle", "parenleft", "parenright", "asterisk", "plus", - "comma", "hyphen", "period", "slash", "zero", - /* 20 */ - "one", "two", "three", "four", "five", - "six", "seven", "eight", "nine", "colon", - /* 30 */ - "semicolon", "less", "equal", "greater", "question", - "at", "A", "B", "C", "D", - /* 40 */ - "E", "F", "G", "H", "I", - "J", "K", "L", "M", "N", - /* 50 */ - "O", "P", "Q", "R", "S", - "T", "U", "V", "W", "X", - /* 60 */ - "Y", "Z", "bracketleft", "backslash", "bracketright", - "asciicircum", "underscore", "grave", "a", "b", - /* 70 */ - "c", "d", "e", "f", "g", - "h", "i", "j", "k", "l", - /* 80 */ - "m", "n", "o", "p", "q", - "r", "s", "t", "u", "v", - /* 90 */ - "w", "x", "y", "z", "braceleft", - "bar", "braceright", "asciitilde", "Adieresis", "Aring", - /* 100 */ - "Ccedilla", "Eacute", "Ntilde", "Odieresis", "Udieresis", - "aacute", "agrave", "acircumflex", "adieresis", "atilde", - /* 110 */ - "aring", "ccedilla", "eacute", "egrave", "ecircumflex", - "edieresis", "iacute", "igrave", "icircumflex", "idieresis", - /* 120 */ - "ntilde", "oacute", "ograve", "ocircumflex", "odieresis", - "otilde", "uacute", "ugrave", "ucircumflex", "udieresis", - /* 130 */ - "dagger", "degree", "cent", "sterling", "section", - "bullet", "paragraph", "germandbls", "registered", "copyright", - /* 140 */ - "trademark", "acute", "dieresis", "notequal", "AE", - "Oslash", "infinity", "plusminus", "lessequal", "greaterequal", - /* 150 */ - "yen", "mu", "partialdiff", "summation", "product", - "pi", "integral", "ordfeminine", "ordmasculine", "Omega", - /* 160 */ - "ae", "oslash", "questiondown", "exclamdown", "logicalnot", - "radical", "florin", "approxequal", "Delta", "guillemotleft", - /* 170 */ - "guillemotright", "ellipsis", "nbspace", "Agrave", "Atilde", - "Otilde", "OE", "oe", "endash", "emdash", - /* 180 */ - "quotedblleft", "quotedblright", "quoteleft", "quoteright", "divide", - "lozenge", "ydieresis", "Ydieresis", "fraction", "currency", - /* 190 */ - "guilsinglleft", "guilsinglright", "fi", "fl", "daggerdbl", - "periodcentered", "quotesinglbase", "quotedblbase", "perthousand", "Acircumflex", - /* 200 */ - "Ecircumflex", "Aacute", "Edieresis", "Egrave", "Iacute", - "Icircumflex", "Idieresis", "Igrave", "Oacute", "Ocircumflex", - /* 210 */ - "apple", "Ograve", "Uacute", "Ucircumflex", "Ugrave", - "dotlessi", "circumflex", "tilde", "macron", "breve", - /* 220 */ - "dotaccent", "ring", "cedilla", "hungarumlaut", "ogonek", - "caron", "Lslash", "lslash", "Scaron", "scaron", - /* 230 */ - "Zcaron", "zcaron", "brokenbar", "Eth", "eth", - "Yacute", "yacute", "Thorn", "thorn", "minus", - /* 240 */ - "multiply", "onesuperior", "twosuperior", "threesuperior", "onehalf", - "onequarter", "threequarters", "franc", "Gbreve", "gbreve", - /* 250 */ - "Idot", "Scedilla", "scedilla", "Cacute", "cacute", - "Ccaron", "ccaron", "dmacron", - }; - - -#endif /* FT_CONFIG_OPTION_POSTSCRIPT_NAMES */ - - - static FT_Error - load_format_20( TT_Face face, - FT_Stream stream ) - { - FT_Memory memory = stream->memory; - FT_Error error; - - FT_Int num_glyphs; - FT_UShort num_names; - - FT_UShort* glyph_indices = 0; - FT_Char** name_strings = 0; - - - if ( FT_READ_USHORT( num_glyphs ) ) - goto Exit; - - /* UNDOCUMENTED! The number of glyphs in this table can be smaller */ - /* than the value in the maxp table (cf. cyberbit.ttf). */ - - /* There already exist fonts which have more than 32768 glyph names */ - /* in this table, so the test for this threshold has been dropped. */ - - if ( num_glyphs > face->root.num_glyphs ) - { - error = SFNT_Err_Invalid_File_Format; - goto Exit; - } - - /* load the indices */ - { - FT_Int n; - - - if ( FT_NEW_ARRAY ( glyph_indices, num_glyphs ) || - FT_FRAME_ENTER( num_glyphs * 2L ) ) - goto Fail; - - for ( n = 0; n < num_glyphs; n++ ) - glyph_indices[n] = FT_GET_USHORT(); - - FT_FRAME_EXIT(); - } - - /* compute number of names stored in table */ - { - FT_Int n; - - - num_names = 0; - - for ( n = 0; n < num_glyphs; n++ ) - { - FT_Int idx; - - - idx = glyph_indices[n]; - if ( idx >= 258 ) - { - idx -= 257; - if ( idx > num_names ) - num_names = (FT_UShort)idx; - } - } - } - - /* now load the name strings */ - { - FT_UShort n; - - - if ( FT_NEW_ARRAY( name_strings, num_names ) ) - goto Fail; - - for ( n = 0; n < num_names; n++ ) - { - FT_UInt len; - - - if ( FT_READ_BYTE ( len ) || - FT_NEW_ARRAY( name_strings[n], len + 1 ) || - FT_STREAM_READ ( name_strings[n], len ) ) - goto Fail1; - - name_strings[n][len] = '\0'; - } - } - - /* all right, set table fields and exit successfuly */ - { - TT_Post_20 table = &face->postscript_names.names.format_20; - - - table->num_glyphs = (FT_UShort)num_glyphs; - table->num_names = (FT_UShort)num_names; - table->glyph_indices = glyph_indices; - table->glyph_names = name_strings; - } - return SFNT_Err_Ok; - - Fail1: - { - FT_UShort n; - - - for ( n = 0; n < num_names; n++ ) - FT_FREE( name_strings[n] ); - } - - Fail: - FT_FREE( name_strings ); - FT_FREE( glyph_indices ); - - Exit: - return error; - } - - - static FT_Error - load_format_25( TT_Face face, - FT_Stream stream ) - { - FT_Memory memory = stream->memory; - FT_Error error; - - FT_Int num_glyphs; - FT_Char* offset_table = 0; - - - /* UNDOCUMENTED! This value appears only in the Apple TT specs. */ - if ( FT_READ_USHORT( num_glyphs ) ) - goto Exit; - - /* check the number of glyphs */ - if ( num_glyphs > face->root.num_glyphs || num_glyphs > 258 ) - { - error = SFNT_Err_Invalid_File_Format; - goto Exit; - } - - if ( FT_ALLOC( offset_table, num_glyphs ) || - FT_STREAM_READ( offset_table, num_glyphs ) ) - goto Fail; - - /* now check the offset table */ - { - FT_Int n; - - - for ( n = 0; n < num_glyphs; n++ ) - { - FT_Long idx = (FT_Long)n + offset_table[n]; - - - if ( idx < 0 || idx > num_glyphs ) - { - error = SFNT_Err_Invalid_File_Format; - goto Fail; - } - } - } - - /* OK, set table fields and exit successfuly */ - { - TT_Post_25 table = &face->postscript_names.names.format_25; - - - table->num_glyphs = (FT_UShort)num_glyphs; - table->offsets = offset_table; - } - - return SFNT_Err_Ok; - - Fail: - FT_FREE( offset_table ); - - Exit: - return error; - } - - - static FT_Error - load_post_names( TT_Face face ) - { - FT_Stream stream; - FT_Error error; - FT_Fixed format; - - - /* get a stream for the face's resource */ - stream = face->root.stream; - - /* seek to the beginning of the PS names table */ - error = face->goto_table( face, TTAG_post, stream, 0 ); - if ( error ) - goto Exit; - - format = face->postscript.FormatType; - - /* go to beginning of subtable */ - if ( FT_STREAM_SKIP( 32 ) ) - goto Exit; - - /* now read postscript table */ - if ( format == 0x00020000L ) - error = load_format_20( face, stream ); - else if ( format == 0x00028000L ) - error = load_format_25( face, stream ); - else - error = SFNT_Err_Invalid_File_Format; - - face->postscript_names.loaded = 1; - - Exit: - return error; - } - - - FT_LOCAL_DEF( void ) - tt_face_free_ps_names( TT_Face face ) - { - FT_Memory memory = face->root.memory; - TT_Post_Names names = &face->postscript_names; - FT_Fixed format; - - - if ( names->loaded ) - { - format = face->postscript.FormatType; - - if ( format == 0x00020000L ) - { - TT_Post_20 table = &names->names.format_20; - FT_UShort n; - - - FT_FREE( table->glyph_indices ); - table->num_glyphs = 0; - - for ( n = 0; n < table->num_names; n++ ) - FT_FREE( table->glyph_names[n] ); - - FT_FREE( table->glyph_names ); - table->num_names = 0; - } - else if ( format == 0x00028000L ) - { - TT_Post_25 table = &names->names.format_25; - - - FT_FREE( table->offsets ); - table->num_glyphs = 0; - } - } - names->loaded = 0; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_get_ps_name */ - /* */ - /* <Description> */ - /* Gets the PostScript glyph name of a glyph. */ - /* */ - /* <Input> */ - /* face :: A handle to the parent face. */ - /* */ - /* idx :: The glyph index. */ - /* */ - /* PSname :: The address of a string pointer. Will be NULL in case */ - /* of error, otherwise it is a pointer to the glyph name. */ - /* */ - /* You must not modify the returned string! */ - /* */ - /* <Output> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_get_ps_name( TT_Face face, - FT_UInt idx, - FT_String** PSname ) - { - FT_Error error; - TT_Post_Names names; - FT_Fixed format; - -#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES - FT_Service_PsCMaps psnames; -#endif - - - if ( !face ) - return SFNT_Err_Invalid_Face_Handle; - - if ( idx >= (FT_UInt)face->root.num_glyphs ) - return SFNT_Err_Invalid_Glyph_Index; - -#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES - psnames = (FT_Service_PsCMaps)face->psnames; - if ( !psnames ) - return SFNT_Err_Unimplemented_Feature; -#endif - - names = &face->postscript_names; - - /* `.notdef' by default */ - *PSname = MAC_NAME( 0 ); - - format = face->postscript.FormatType; - - if ( format == 0x00010000L ) - { - if ( idx < 258 ) /* paranoid checking */ - *PSname = MAC_NAME( idx ); - } - else if ( format == 0x00020000L ) - { - TT_Post_20 table = &names->names.format_20; - - - if ( !names->loaded ) - { - error = load_post_names( face ); - if ( error ) - goto End; - } - - if ( idx < (FT_UInt)table->num_glyphs ) - { - FT_UShort name_index = table->glyph_indices[idx]; - - - if ( name_index < 258 ) - *PSname = MAC_NAME( name_index ); - else - *PSname = (FT_String*)table->glyph_names[name_index - 258]; - } - } - else if ( format == 0x00028000L ) - { - TT_Post_25 table = &names->names.format_25; - - - if ( !names->loaded ) - { - error = load_post_names( face ); - if ( error ) - goto End; - } - - if ( idx < (FT_UInt)table->num_glyphs ) /* paranoid checking */ - { - idx += table->offsets[idx]; - *PSname = MAC_NAME( idx ); - } - } - - /* nothing to do for format == 0x00030000L */ - - End: - return SFNT_Err_Ok; - } - - -/* END */ diff --git a/nx-X11/extras/freetype2/src/sfnt/ttpost.h b/nx-X11/extras/freetype2/src/sfnt/ttpost.h deleted file mode 100644 index 6f06d75a7..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/ttpost.h +++ /dev/null @@ -1,46 +0,0 @@ -/***************************************************************************/ -/* */ -/* ttpost.h */ -/* */ -/* Postcript name table processing for TrueType and OpenType fonts */ -/* (specification). */ -/* */ -/* Copyright 1996-2001, 2002 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* 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 __TTPOST_H__ -#define __TTPOST_H__ - - -#include <ft2build.h> -#include FT_CONFIG_CONFIG_H -#include FT_INTERNAL_TRUETYPE_TYPES_H - - -FT_BEGIN_HEADER - - - FT_LOCAL( FT_Error ) - tt_face_get_ps_name( TT_Face face, - FT_UInt idx, - FT_String** PSname ); - - FT_LOCAL( void ) - tt_face_free_ps_names( TT_Face face ); - - -FT_END_HEADER - -#endif /* __TTPOST_H__ */ - - -/* END */ diff --git a/nx-X11/extras/freetype2/src/sfnt/ttsbit.c b/nx-X11/extras/freetype2/src/sfnt/ttsbit.c deleted file mode 100644 index 444c27acc..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/ttsbit.c +++ /dev/null @@ -1,1467 +0,0 @@ -/***************************************************************************/ -/* */ -/* ttsbit.c */ -/* */ -/* TrueType and OpenType embedded bitmap support (body). */ -/* */ -/* Copyright 1996-2001, 2002, 2003, 2004 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* 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_INTERNAL_DEBUG_H -#include FT_INTERNAL_STREAM_H -#include FT_TRUETYPE_TAGS_H -#include "ttsbit.h" - -#include "sferrors.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_ttsbit - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* blit_sbit */ - /* */ - /* <Description> */ - /* Blits a bitmap from an input stream into a given target. Supports */ - /* x and y offsets as well as byte padded lines. */ - /* */ - /* <Input> */ - /* target :: The target bitmap/pixmap. */ - /* */ - /* source :: The input packed bitmap data. */ - /* */ - /* line_bits :: The number of bits per line. */ - /* */ - /* byte_padded :: A flag which is true if lines are byte-padded. */ - /* */ - /* x_offset :: The horizontal offset. */ - /* */ - /* y_offset :: The vertical offset. */ - /* */ - /* <Note> */ - /* IMPORTANT: The x and y offsets are relative to the top corner of */ - /* the target bitmap (unlike the normal TrueType */ - /* convention). A positive y offset indicates a downwards */ - /* direction! */ - /* */ - static void - blit_sbit( FT_Bitmap* target, - FT_Byte* source, - FT_Int line_bits, - FT_Bool byte_padded, - FT_Int x_offset, - FT_Int y_offset ) - { - FT_Byte* line_buff; - FT_Int line_incr; - FT_Int height; - - FT_UShort acc; - FT_UInt loaded; - - - /* first of all, compute starting write position */ - line_incr = target->pitch; - line_buff = target->buffer; - - if ( line_incr < 0 ) - line_buff -= line_incr * ( target->rows - 1 ); - - line_buff += ( x_offset >> 3 ) + y_offset * line_incr; - - /***********************************************************************/ - /* */ - /* We use the extra-classic `accumulator' trick to extract the bits */ - /* from the source byte stream. */ - /* */ - /* Namely, the variable `acc' is a 16-bit accumulator containing the */ - /* last `loaded' bits from the input stream. The bits are shifted to */ - /* the upmost position in `acc'. */ - /* */ - /***********************************************************************/ - - acc = 0; /* clear accumulator */ - loaded = 0; /* no bits were loaded */ - - for ( height = target->rows; height > 0; height-- ) - { - FT_Byte* cur = line_buff; /* current write cursor */ - FT_Int count = line_bits; /* # of bits to extract per line */ - FT_Byte shift = (FT_Byte)( x_offset & 7 ); /* current write shift */ - FT_Byte space = (FT_Byte)( 8 - shift ); - - - /* first of all, read individual source bytes */ - if ( count >= 8 ) - { - count -= 8; - { - do - { - FT_Byte val; - - - /* ensure that there are at least 8 bits in the accumulator */ - if ( loaded < 8 ) - { - acc |= (FT_UShort)((FT_UShort)*source++ << ( 8 - loaded )); - loaded += 8; - } - - /* now write one byte */ - val = (FT_Byte)( acc >> 8 ); - if ( shift ) - { - cur[0] |= (FT_Byte)( val >> shift ); - cur[1] |= (FT_Byte)( val << space ); - } - else - cur[0] |= val; - - cur++; - acc <<= 8; /* remove bits from accumulator */ - loaded -= 8; - count -= 8; - - } while ( count >= 0 ); - } - - /* restore `count' to correct value */ - count += 8; - } - - /* now write remaining bits (count < 8) */ - if ( count > 0 ) - { - FT_Byte val; - - - /* ensure that there are at least `count' bits in the accumulator */ - if ( (FT_Int)loaded < count ) - { - acc |= (FT_UShort)((FT_UShort)*source++ << ( 8 - loaded )); - loaded += 8; - } - - /* now write remaining bits */ - val = (FT_Byte)( ( (FT_Byte)( acc >> 8 ) ) & ~( 0xFF >> count ) ); - cur[0] |= (FT_Byte)( val >> shift ); - - if ( count > space ) - cur[1] |= (FT_Byte)( val << space ); - - acc <<= count; - loaded -= count; - } - - /* now, skip to next line */ - if ( byte_padded ) - { - acc = 0; - loaded = 0; /* clear accumulator on byte-padded lines */ - } - - line_buff += line_incr; - } - } - - - const FT_Frame_Field sbit_metrics_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE TT_SBit_MetricsRec - - FT_FRAME_START( 8 ), - FT_FRAME_BYTE( height ), - FT_FRAME_BYTE( width ), - - FT_FRAME_CHAR( horiBearingX ), - FT_FRAME_CHAR( horiBearingY ), - FT_FRAME_BYTE( horiAdvance ), - - FT_FRAME_CHAR( vertBearingX ), - FT_FRAME_CHAR( vertBearingY ), - FT_FRAME_BYTE( vertAdvance ), - FT_FRAME_END - }; - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* TT_Load_SBit_Const_Metrics */ - /* */ - /* <Description> */ - /* Loads the metrics for `EBLC' index tables format 2 and 5. */ - /* */ - /* <Input> */ - /* range :: The target range. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - static FT_Error - Load_SBit_Const_Metrics( TT_SBit_Range range, - FT_Stream stream ) - { - FT_Error error; - - - if ( FT_READ_ULONG( range->image_size ) ) - return error; - - return FT_STREAM_READ_FIELDS( sbit_metrics_fields, &range->metrics ); - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* TT_Load_SBit_Range_Codes */ - /* */ - /* <Description> */ - /* Loads the range codes for `EBLC' index tables format 4 and 5. */ - /* */ - /* <Input> */ - /* range :: The target range. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* load_offsets :: A flag whether to load the glyph offset table. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - static FT_Error - Load_SBit_Range_Codes( TT_SBit_Range range, - FT_Stream stream, - FT_Bool load_offsets ) - { - FT_Error error; - FT_ULong count, n, size; - FT_Memory memory = stream->memory; - - - if ( FT_READ_ULONG( count ) ) - goto Exit; - - range->num_glyphs = count; - - /* Allocate glyph offsets table if needed */ - if ( load_offsets ) - { - if ( FT_NEW_ARRAY( range->glyph_offsets, count ) ) - goto Exit; - - size = count * 4L; - } - else - size = count * 2L; - - /* Allocate glyph codes table and access frame */ - if ( FT_NEW_ARRAY ( range->glyph_codes, count ) || - FT_FRAME_ENTER( size ) ) - goto Exit; - - for ( n = 0; n < count; n++ ) - { - range->glyph_codes[n] = FT_GET_USHORT(); - - if ( load_offsets ) - range->glyph_offsets[n] = (FT_ULong)range->image_offset + - FT_GET_USHORT(); - } - - FT_FRAME_EXIT(); - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* TT_Load_SBit_Range */ - /* */ - /* <Description> */ - /* Loads a given `EBLC' index/range table. */ - /* */ - /* <Input> */ - /* range :: The target range. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - static FT_Error - Load_SBit_Range( TT_SBit_Range range, - FT_Stream stream ) - { - FT_Error error; - FT_Memory memory = stream->memory; - - - switch( range->index_format ) - { - case 1: /* variable metrics with 4-byte offsets */ - case 3: /* variable metrics with 2-byte offsets */ - { - FT_ULong num_glyphs, n; - FT_Int size_elem; - FT_Bool large = FT_BOOL( range->index_format == 1 ); - - - num_glyphs = range->last_glyph - range->first_glyph + 1L; - range->num_glyphs = num_glyphs; - num_glyphs++; /* XXX: BEWARE - see spec */ - - size_elem = large ? 4 : 2; - - if ( FT_NEW_ARRAY( range->glyph_offsets, num_glyphs ) || - FT_FRAME_ENTER( num_glyphs * size_elem ) ) - goto Exit; - - for ( n = 0; n < num_glyphs; n++ ) - range->glyph_offsets[n] = (FT_ULong)( range->image_offset + - ( large ? FT_GET_ULONG() - : FT_GET_USHORT() ) ); - FT_FRAME_EXIT(); - } - break; - - case 2: /* all glyphs have identical metrics */ - error = Load_SBit_Const_Metrics( range, stream ); - break; - - case 4: - error = Load_SBit_Range_Codes( range, stream, 1 ); - break; - - case 5: - error = Load_SBit_Const_Metrics( range, stream ) || - Load_SBit_Range_Codes( range, stream, 0 ); - break; - - default: - error = SFNT_Err_Invalid_File_Format; - } - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_sbit_strikes */ - /* */ - /* <Description> */ - /* Loads the table of embedded bitmap sizes for this face. */ - /* */ - /* <Input> */ - /* face :: The target face object. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_load_sbit_strikes( TT_Face face, - FT_Stream stream ) - { - FT_Error error = 0; - FT_Memory memory = stream->memory; - FT_Fixed version; - FT_ULong num_strikes; - FT_ULong table_base; - - const FT_Frame_Field 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 - }; - - const FT_Frame_Field 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 - }; - - const FT_Frame_Field 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 - }; - - - face->num_sbit_strikes = 0; - - /* this table is optional */ - error = face->goto_table( face, TTAG_EBLC, stream, 0 ); - if ( error ) - error = face->goto_table( face, TTAG_bloc, stream, 0 ); - if ( error ) - goto Exit; - - table_base = FT_STREAM_POS(); - if ( FT_FRAME_ENTER( 8L ) ) - goto Exit; - - version = FT_GET_LONG(); - num_strikes = FT_GET_ULONG(); - - FT_FRAME_EXIT(); - - /* check version number and strike count */ - if ( version != 0x00020000L || - num_strikes >= 0x10000L ) - { - FT_ERROR(( "tt_face_load_sbit_strikes: invalid table version!\n" )); - error = SFNT_Err_Invalid_File_Format; - - goto Exit; - } - - /* allocate the strikes table */ - if ( FT_NEW_ARRAY( face->sbit_strikes, num_strikes ) ) - goto Exit; - - face->num_sbit_strikes = num_strikes; - - /* now read each strike table separately */ - { - TT_SBit_Strike strike = face->sbit_strikes; - FT_ULong count = num_strikes; - - - if ( FT_FRAME_ENTER( 48L * num_strikes ) ) - goto Exit; - - while ( count > 0 ) - { - if ( FT_STREAM_READ_FIELDS( strike_start_fields, strike ) || - FT_STREAM_READ_FIELDS( sbit_line_metrics_fields, &strike->hori ) || - FT_STREAM_READ_FIELDS( sbit_line_metrics_fields, &strike->vert ) || - FT_STREAM_READ_FIELDS( strike_end_fields, strike ) ) - break; - - count--; - strike++; - } - - FT_FRAME_EXIT(); - } - - /* allocate the index ranges for each strike table */ - { - TT_SBit_Strike strike = face->sbit_strikes; - FT_ULong count = num_strikes; - - - while ( count > 0 ) - { - TT_SBit_Range range; - FT_ULong count2 = strike->num_ranges; - - - if ( FT_NEW_ARRAY( strike->sbit_ranges, strike->num_ranges ) ) - goto Exit; - - /* read each range */ - if ( FT_STREAM_SEEK( table_base + strike->ranges_offset ) || - FT_FRAME_ENTER( strike->num_ranges * 8L ) ) - goto Exit; - - range = strike->sbit_ranges; - while ( count2 > 0 ) - { - range->first_glyph = FT_GET_USHORT(); - range->last_glyph = FT_GET_USHORT(); - range->table_offset = table_base + strike->ranges_offset + - FT_GET_ULONG(); - count2--; - range++; - } - - FT_FRAME_EXIT(); - - /* Now, read each index table */ - count2 = strike->num_ranges; - range = strike->sbit_ranges; - while ( count2 > 0 ) - { - /* Read the header */ - if ( FT_STREAM_SEEK( range->table_offset ) || - FT_FRAME_ENTER( 8L ) ) - goto Exit; - - range->index_format = FT_GET_USHORT(); - range->image_format = FT_GET_USHORT(); - range->image_offset = FT_GET_ULONG(); - - FT_FRAME_EXIT(); - - error = Load_SBit_Range( range, stream ); - if ( error ) - goto Exit; - - count2--; - range++; - } - - count--; - strike++; - } - } - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_free_sbit_strikes */ - /* */ - /* <Description> */ - /* Releases the embedded bitmap tables. */ - /* */ - /* <Input> */ - /* face :: The target face object. */ - /* */ - FT_LOCAL_DEF( void ) - tt_face_free_sbit_strikes( TT_Face face ) - { - FT_Memory memory = face->root.memory; - TT_SBit_Strike strike = face->sbit_strikes; - TT_SBit_Strike strike_limit = strike + face->num_sbit_strikes; - - - if ( strike ) - { - for ( ; strike < strike_limit; strike++ ) - { - TT_SBit_Range range = strike->sbit_ranges; - TT_SBit_Range range_limit = range + strike->num_ranges; - - - if ( range ) - { - for ( ; range < range_limit; range++ ) - { - /* release the glyph offsets and codes tables */ - /* where appropriate */ - FT_FREE( range->glyph_offsets ); - FT_FREE( range->glyph_codes ); - } - } - FT_FREE( strike->sbit_ranges ); - strike->num_ranges = 0; - } - FT_FREE( face->sbit_strikes ); - } - face->num_sbit_strikes = 0; - } - - - FT_LOCAL_DEF( FT_Error ) - tt_face_set_sbit_strike( TT_Face face, - FT_UInt x_ppem, - FT_UInt y_ppem, - FT_ULong *astrike_index ) - { - FT_ULong i; - - - if ( x_ppem > 255 || - y_ppem < 1 || y_ppem > 255 ) - return SFNT_Err_Invalid_PPem; - - for ( i = 0; i < face->num_sbit_strikes; i++ ) - { - if ( ( (FT_UInt)face->sbit_strikes[i].y_ppem == y_ppem ) && - ( ( x_ppem == 0 ) || - ( (FT_UInt)face->sbit_strikes[i].x_ppem == x_ppem ) ) ) - { - *astrike_index = i; - return SFNT_Err_Ok; - } - } - - return SFNT_Err_Invalid_PPem; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* find_sbit_range */ - /* */ - /* <Description> */ - /* Scans a given strike's ranges and return, for a given glyph */ - /* index, the corresponding sbit range, and `EBDT' offset. */ - /* */ - /* <Input> */ - /* glyph_index :: The glyph index. */ - /* */ - /* strike :: The source/current sbit strike. */ - /* */ - /* <Output> */ - /* arange :: The sbit range containing the glyph index. */ - /* */ - /* aglyph_offset :: The offset of the glyph data in `EBDT' table. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means the glyph index was found. */ - /* */ - static FT_Error - find_sbit_range( FT_UInt glyph_index, - TT_SBit_Strike strike, - TT_SBit_Range *arange, - FT_ULong *aglyph_offset ) - { - TT_SBit_RangeRec *range, *range_limit; - - - /* check whether the glyph index is within this strike's */ - /* glyph range */ - if ( glyph_index < (FT_UInt)strike->start_glyph || - glyph_index > (FT_UInt)strike->end_glyph ) - goto Fail; - - /* scan all ranges in strike */ - range = strike->sbit_ranges; - range_limit = range + strike->num_ranges; - if ( !range ) - goto Fail; - - for ( ; range < range_limit; range++ ) - { - if ( glyph_index >= (FT_UInt)range->first_glyph && - glyph_index <= (FT_UInt)range->last_glyph ) - { - FT_UShort delta = (FT_UShort)( glyph_index - range->first_glyph ); - - - switch ( range->index_format ) - { - case 1: - case 3: - *aglyph_offset = range->glyph_offsets[delta]; - break; - - case 2: - *aglyph_offset = range->image_offset + - range->image_size * delta; - break; - - case 4: - case 5: - { - FT_ULong n; - - - for ( n = 0; n < range->num_glyphs; n++ ) - { - if ( (FT_UInt)range->glyph_codes[n] == glyph_index ) - { - if ( range->index_format == 4 ) - *aglyph_offset = range->glyph_offsets[n]; - else - *aglyph_offset = range->image_offset + - n * range->image_size; - goto Found; - } - } - } - - /* fall-through */ - default: - goto Fail; - } - - Found: - /* return successfully! */ - *arange = range; - return 0; - } - } - - Fail: - *arange = 0; - *aglyph_offset = 0; - - return SFNT_Err_Invalid_Argument; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_find_sbit_image */ - /* */ - /* <Description> */ - /* Checks whether an embedded bitmap (an `sbit') exists for a given */ - /* glyph, at a given strike. */ - /* */ - /* <Input> */ - /* face :: The target face object. */ - /* */ - /* glyph_index :: The glyph index. */ - /* */ - /* strike_index :: The current strike index. */ - /* */ - /* <Output> */ - /* arange :: The SBit range containing the glyph index. */ - /* */ - /* astrike :: The SBit strike containing the glyph index. */ - /* */ - /* aglyph_offset :: The offset of the glyph data in `EBDT' table. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. Returns */ - /* SFNT_Err_Invalid_Argument if no sbit exists for the requested */ - /* glyph. */ - /* */ - FT_LOCAL( FT_Error ) - tt_find_sbit_image( TT_Face face, - FT_UInt glyph_index, - FT_ULong strike_index, - TT_SBit_Range *arange, - TT_SBit_Strike *astrike, - FT_ULong *aglyph_offset ) - { - FT_Error error; - TT_SBit_Strike strike; - - - if ( !face->sbit_strikes || - ( face->num_sbit_strikes <= strike_index ) ) - goto Fail; - - strike = &face->sbit_strikes[strike_index]; - - error = find_sbit_range( glyph_index, strike, - arange, aglyph_offset ); - if ( error ) - goto Fail; - - *astrike = strike; - - return SFNT_Err_Ok; - - Fail: - /* no embedded bitmap for this glyph in face */ - *arange = 0; - *astrike = 0; - *aglyph_offset = 0; - - return SFNT_Err_Invalid_Argument; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_load_sbit_metrics */ - /* */ - /* <Description> */ - /* Gets the big metrics for a given SBit. */ - /* */ - /* <Input> */ - /* stream :: The input stream. */ - /* */ - /* range :: The SBit range containing the glyph. */ - /* */ - /* <Output> */ - /* big_metrics :: A big SBit metrics structure for the glyph. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - /* <Note> */ - /* The stream cursor must be positioned at the glyph's offset within */ - /* the `EBDT' table before the call. */ - /* */ - /* If the image format uses variable metrics, the stream cursor is */ - /* positioned just after the metrics header in the `EBDT' table on */ - /* function exit. */ - /* */ - FT_LOCAL( FT_Error ) - tt_load_sbit_metrics( FT_Stream stream, - TT_SBit_Range range, - TT_SBit_Metrics metrics ) - { - FT_Error error = SFNT_Err_Ok; - - - switch ( range->image_format ) - { - case 1: - case 2: - case 8: - /* variable small metrics */ - { - TT_SBit_SmallMetricsRec smetrics; - - const FT_Frame_Field sbit_small_metrics_fields[] = - { -#undef FT_STRUCTURE -#define FT_STRUCTURE TT_SBit_SmallMetricsRec - - FT_FRAME_START( 5 ), - FT_FRAME_BYTE( height ), - FT_FRAME_BYTE( width ), - FT_FRAME_CHAR( bearingX ), - FT_FRAME_CHAR( bearingY ), - FT_FRAME_BYTE( advance ), - FT_FRAME_END - }; - - - /* read small metrics */ - if ( FT_STREAM_READ_FIELDS( sbit_small_metrics_fields, &smetrics ) ) - goto Exit; - - /* convert it to a big metrics */ - metrics->height = smetrics.height; - metrics->width = smetrics.width; - metrics->horiBearingX = smetrics.bearingX; - metrics->horiBearingY = smetrics.bearingY; - metrics->horiAdvance = smetrics.advance; - - /* these metrics are made up at a higher level when */ - /* needed. */ - metrics->vertBearingX = 0; - metrics->vertBearingY = 0; - metrics->vertAdvance = 0; - } - break; - - case 6: - case 7: - case 9: - /* variable big metrics */ - if ( FT_STREAM_READ_FIELDS( sbit_metrics_fields, metrics ) ) - goto Exit; - break; - - case 5: - default: /* constant metrics */ - if ( range->index_format == 2 || range->index_format == 5 ) - *metrics = range->metrics; - else - return SFNT_Err_Invalid_File_Format; - } - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* crop_bitmap */ - /* */ - /* <Description> */ - /* Crops a bitmap to its tightest bounding box, and adjusts its */ - /* metrics. */ - /* */ - /* <InOut> */ - /* map :: The bitmap. */ - /* */ - /* metrics :: The corresponding metrics structure. */ - /* */ - static void - crop_bitmap( FT_Bitmap* map, - TT_SBit_Metrics metrics ) - { - /***********************************************************************/ - /* */ - /* In this situation, some bounding boxes of embedded bitmaps are too */ - /* large. We need to crop it to a reasonable size. */ - /* */ - /* --------- */ - /* | | ----- */ - /* | *** | |***| */ - /* | * | | * | */ - /* | * | ------> | * | */ - /* | * | | * | */ - /* | * | | * | */ - /* | *** | |***| */ - /* --------- ----- */ - /* */ - /***********************************************************************/ - - FT_Int rows, count; - FT_Long line_len; - FT_Byte* line; - - - /***********************************************************************/ - /* */ - /* first of all, check the top-most lines of the bitmap, and remove */ - /* them if they're empty. */ - /* */ - { - line = (FT_Byte*)map->buffer; - rows = map->rows; - line_len = map->pitch; - - - for ( count = 0; count < rows; count++ ) - { - FT_Byte* cur = line; - FT_Byte* limit = line + line_len; - - - for ( ; cur < limit; cur++ ) - if ( cur[0] ) - goto Found_Top; - - /* the current line was empty - skip to next one */ - line = limit; - } - - Found_Top: - /* check that we have at least one filled line */ - if ( count >= rows ) - goto Empty_Bitmap; - - /* now, crop the empty upper lines */ - if ( count > 0 ) - { - line = (FT_Byte*)map->buffer; - - FT_MEM_MOVE( line, line + count * line_len, - ( rows - count ) * line_len ); - - metrics->height = (FT_Byte)( metrics->height - count ); - metrics->horiBearingY = (FT_Char)( metrics->horiBearingY - count ); - metrics->vertBearingY = (FT_Char)( metrics->vertBearingY - count ); - - map->rows -= count; - rows -= count; - } - } - - /***********************************************************************/ - /* */ - /* second, crop the lower lines */ - /* */ - { - line = (FT_Byte*)map->buffer + ( rows - 1 ) * line_len; - - for ( count = 0; count < rows; count++ ) - { - FT_Byte* cur = line; - FT_Byte* limit = line + line_len; - - - for ( ; cur < limit; cur++ ) - if ( cur[0] ) - goto Found_Bottom; - - /* the current line was empty - skip to previous one */ - line -= line_len; - } - - Found_Bottom: - if ( count > 0 ) - { - metrics->height = (FT_Byte)( metrics->height - count ); - rows -= count; - map->rows -= count; - } - } - - /***********************************************************************/ - /* */ - /* third, get rid of the space on the left side of the glyph */ - /* */ - do - { - FT_Byte* limit; - - - line = (FT_Byte*)map->buffer; - limit = line + rows * line_len; - - for ( ; line < limit; line += line_len ) - if ( line[0] & 0x80 ) - goto Found_Left; - - /* shift the whole glyph one pixel to the left */ - line = (FT_Byte*)map->buffer; - limit = line + rows * line_len; - - for ( ; line < limit; line += line_len ) - { - FT_Int n, width = map->width; - FT_Byte old; - FT_Byte* cur = line; - - - old = (FT_Byte)(cur[0] << 1); - for ( n = 8; n < width; n += 8 ) - { - FT_Byte val; - - - val = cur[1]; - cur[0] = (FT_Byte)( old | ( val >> 7 ) ); - old = (FT_Byte)( val << 1 ); - cur++; - } - cur[0] = old; - } - - map->width--; - metrics->horiBearingX++; - metrics->vertBearingX++; - metrics->width--; - - } while ( map->width > 0 ); - - Found_Left: - - /***********************************************************************/ - /* */ - /* finally, crop the bitmap width to get rid of the space on the right */ - /* side of the glyph. */ - /* */ - do - { - FT_Int right = map->width - 1; - FT_Byte* limit; - FT_Byte mask; - - - line = (FT_Byte*)map->buffer + ( right >> 3 ); - limit = line + rows * line_len; - mask = (FT_Byte)( 0x80 >> ( right & 7 ) ); - - for ( ; line < limit; line += line_len ) - if ( line[0] & mask ) - goto Found_Right; - - /* crop the whole glyph to the right */ - map->width--; - metrics->width--; - - } while ( map->width > 0 ); - - Found_Right: - /* all right, the bitmap was cropped */ - return; - - Empty_Bitmap: - map->width = 0; - map->rows = 0; - map->pitch = 0; - map->pixel_mode = FT_PIXEL_MODE_MONO; - } - - - static FT_Error - Load_SBit_Single( FT_Bitmap* map, - FT_Int x_offset, - FT_Int y_offset, - FT_Int pix_bits, - FT_UShort image_format, - TT_SBit_Metrics metrics, - FT_Stream stream ) - { - FT_Error error; - - - /* check that the source bitmap fits into the target pixmap */ - if ( x_offset < 0 || x_offset + metrics->width > map->width || - y_offset < 0 || y_offset + metrics->height > map->rows ) - { - error = SFNT_Err_Invalid_Argument; - - goto Exit; - } - - { - FT_Int glyph_width = metrics->width; - FT_Int glyph_height = metrics->height; - FT_Int glyph_size; - FT_Int line_bits = pix_bits * glyph_width; - FT_Bool pad_bytes = 0; - - - /* compute size of glyph image */ - switch ( image_format ) - { - case 1: /* byte-padded formats */ - case 6: - { - FT_Int line_length; - - - switch ( pix_bits ) - { - case 1: - line_length = ( glyph_width + 7 ) >> 3; - break; - case 2: - line_length = ( glyph_width + 3 ) >> 2; - break; - case 4: - line_length = ( glyph_width + 1 ) >> 1; - break; - default: - line_length = glyph_width; - } - - glyph_size = glyph_height * line_length; - pad_bytes = 1; - } - break; - - case 2: - case 5: - case 7: - line_bits = glyph_width * pix_bits; - glyph_size = ( glyph_height * line_bits + 7 ) >> 3; - break; - - default: /* invalid format */ - return SFNT_Err_Invalid_File_Format; - } - - /* Now read data and draw glyph into target pixmap */ - if ( FT_FRAME_ENTER( glyph_size ) ) - goto Exit; - - /* don't forget to multiply `x_offset' by `map->pix_bits' as */ - /* 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 ); - - FT_FRAME_EXIT(); - } - - Exit: - return error; - } - - - static FT_Error - Load_SBit_Image( TT_SBit_Strike strike, - TT_SBit_Range range, - FT_ULong ebdt_pos, - FT_ULong glyph_offset, - FT_GlyphSlot slot, - FT_Int x_offset, - FT_Int y_offset, - FT_Stream stream, - TT_SBit_Metrics metrics, - FT_Int depth ) - { - FT_Memory memory = stream->memory; - FT_Bitmap* map = &slot->bitmap; - FT_Error error; - - - /* place stream at beginning of glyph data and read metrics */ - if ( FT_STREAM_SEEK( ebdt_pos + glyph_offset ) ) - goto Exit; - - error = tt_load_sbit_metrics( stream, range, metrics ); - if ( error ) - goto Exit; - - /* This function is recursive. At the top-level call, we */ - /* compute the dimensions of the higher-level glyph to */ - /* allocate the final pixmap buffer. */ - if ( depth == 0 ) - { - FT_Long size; - - - map->width = metrics->width; - map->rows = metrics->height; - - switch ( strike->bit_depth ) - { - case 1: - map->pixel_mode = FT_PIXEL_MODE_MONO; - map->pitch = ( map->width + 7 ) >> 3; - break; - - case 2: - map->pixel_mode = FT_PIXEL_MODE_GRAY2; - map->pitch = ( map->width + 3 ) >> 2; - break; - - case 4: - map->pixel_mode = FT_PIXEL_MODE_GRAY4; - map->pitch = ( map->width + 1 ) >> 1; - break; - - case 8: - map->pixel_mode = FT_PIXEL_MODE_GRAY; - map->pitch = map->width; - break; - - default: - return SFNT_Err_Invalid_File_Format; - } - - size = map->rows * map->pitch; - - /* check that there is no empty image */ - if ( size == 0 ) - goto Exit; /* exit successfully! */ - - error = ft_glyphslot_alloc_bitmap( slot, size ); - if (error) - goto Exit; - } - - switch ( range->image_format ) - { - case 1: /* single sbit image - load it */ - case 2: - case 5: - case 6: - case 7: - return Load_SBit_Single( map, x_offset, y_offset, strike->bit_depth, - range->image_format, metrics, stream ); - - case 8: /* compound format */ - FT_Stream_Skip( stream, 1L ); - /* fallthrough */ - - case 9: - break; - - default: /* invalid image format */ - return SFNT_Err_Invalid_File_Format; - } - - /* All right, we have a compound format. First of all, read */ - /* the array of elements. */ - { - TT_SBit_Component components; - TT_SBit_Component comp; - FT_UShort num_components, count; - - - if ( FT_READ_USHORT( num_components ) || - FT_NEW_ARRAY( components, num_components ) ) - goto Exit; - - count = num_components; - - if ( FT_FRAME_ENTER( 4L * num_components ) ) - goto Fail_Memory; - - for ( comp = components; count > 0; count--, comp++ ) - { - comp->glyph_code = FT_GET_USHORT(); - comp->x_offset = FT_GET_CHAR(); - comp->y_offset = FT_GET_CHAR(); - } - - FT_FRAME_EXIT(); - - /* Now recursively load each element glyph */ - count = num_components; - comp = components; - for ( ; count > 0; count--, comp++ ) - { - TT_SBit_Range elem_range; - TT_SBit_MetricsRec elem_metrics; - FT_ULong elem_offset; - - - /* find the range for this element */ - error = find_sbit_range( comp->glyph_code, - strike, - &elem_range, - &elem_offset ); - if ( error ) - goto Fail_Memory; - - /* now load the element, recursively */ - error = Load_SBit_Image( strike, - elem_range, - ebdt_pos, - elem_offset, - slot, - x_offset + comp->x_offset, - y_offset + comp->y_offset, - stream, - &elem_metrics, - depth + 1 ); - if ( error ) - goto Fail_Memory; - } - - Fail_Memory: - FT_FREE( components ); - } - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* tt_face_load_sbit_image */ - /* */ - /* <Description> */ - /* Loads a given glyph sbit image from the font resource. This also */ - /* returns its metrics. */ - /* */ - /* <Input> */ - /* face :: The target face object. */ - /* */ - /* strike_index :: The current strike index. */ - /* */ - /* glyph_index :: The current glyph index. */ - /* */ - /* load_flags :: The glyph load flags (the code checks for the flag */ - /* FT_LOAD_CROP_BITMAP). */ - /* */ - /* stream :: The input stream. */ - /* */ - /* <Output> */ - /* map :: The target pixmap. */ - /* */ - /* metrics :: A big sbit metrics structure for the glyph image. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. Returns an error if no */ - /* glyph sbit exists for the index. */ - /* */ - /* <Note> */ - /* The `map.buffer' field is always freed before the glyph is loaded. */ - /* */ - FT_LOCAL_DEF( FT_Error ) - tt_face_load_sbit_image( TT_Face face, - FT_ULong strike_index, - FT_UInt glyph_index, - FT_UInt load_flags, - FT_Stream stream, - FT_Bitmap *map, - TT_SBit_MetricsRec *metrics ) - { - FT_Error error; - FT_ULong ebdt_pos, glyph_offset; - - TT_SBit_Strike strike; - TT_SBit_Range range; - - - /* Check whether there is a glyph sbit for the current index */ - error = tt_find_sbit_image( face, glyph_index, strike_index, - &range, &strike, &glyph_offset ); - if ( error ) - goto Exit; - - /* now, find the location of the `EBDT' table in */ - /* the font file */ - error = face->goto_table( face, TTAG_EBDT, stream, 0 ); - if ( error ) - error = face->goto_table( face, TTAG_bdat, stream, 0 ); - if (error) - goto Exit; - - ebdt_pos = FT_STREAM_POS(); - - error = Load_SBit_Image( strike, range, ebdt_pos, glyph_offset, - face->root.glyph, 0, 0, stream, metrics, 0 ); - if ( error ) - goto Exit; - - /* setup vertical metrics if needed */ - if ( strike->flags & 1 ) - { - /* in case of a horizontal strike only */ - FT_Int advance; - - - advance = strike->hori.ascender - strike->hori.descender; - - /* some heuristic values */ - - metrics->vertBearingX = (FT_Char)(-metrics->width / 2 ); - metrics->vertBearingY = (FT_Char)( advance / 10 ); - metrics->vertAdvance = (FT_Char)( advance * 12 / 10 ); - } - - /* Crop the bitmap now, unless specified otherwise */ - if ( load_flags & FT_LOAD_CROP_BITMAP ) - crop_bitmap( map, metrics ); - - Exit: - return error; - } - - -/* END */ diff --git a/nx-X11/extras/freetype2/src/sfnt/ttsbit.h b/nx-X11/extras/freetype2/src/sfnt/ttsbit.h deleted file mode 100644 index f1b63b7ec..000000000 --- a/nx-X11/extras/freetype2/src/sfnt/ttsbit.h +++ /dev/null @@ -1,72 +0,0 @@ -/***************************************************************************/ -/* */ -/* ttsbit.h */ -/* */ -/* TrueType and OpenType embedded bitmap support (specification). */ -/* */ -/* Copyright 1996-2001, 2002, 2003, 2004 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* 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 __TTSBIT_H__ -#define __TTSBIT_H__ - - -#include <ft2build.h> -#include "ttload.h" - - -FT_BEGIN_HEADER - - - FT_LOCAL( FT_Error ) - tt_face_load_sbit_strikes( TT_Face face, - FT_Stream stream ); - - FT_LOCAL( void ) - tt_face_free_sbit_strikes( TT_Face face ); - - - FT_LOCAL( FT_Error ) - tt_face_set_sbit_strike( TT_Face face, - FT_UInt x_ppem, - FT_UInt y_ppem, - FT_ULong *astrike_index ); - - FT_LOCAL( FT_Error ) - tt_find_sbit_image( TT_Face face, - FT_UInt glyph_index, - FT_ULong strike_index, - TT_SBit_Range *arange, - TT_SBit_Strike *astrike, - FT_ULong *aglyph_offset ); - - FT_LOCAL( FT_Error ) - tt_load_sbit_metrics( FT_Stream stream, - TT_SBit_Range range, - TT_SBit_Metrics metrics ); - - FT_LOCAL( FT_Error ) - tt_face_load_sbit_image( TT_Face face, - FT_ULong strike_index, - FT_UInt glyph_index, - FT_UInt load_flags, - FT_Stream stream, - FT_Bitmap *map, - TT_SBit_MetricsRec *metrics ); - - -FT_END_HEADER - -#endif /* __TTSBIT_H__ */ - - -/* END */ |