diff options
Diffstat (limited to 'src/otvalid/otvmod.c')
| -rw-r--r-- | src/otvalid/otvmod.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/src/otvalid/otvmod.c b/src/otvalid/otvmod.c deleted file mode 100644 index 157272f..0000000 --- a/src/otvalid/otvmod.c +++ /dev/null @@ -1,242 +0,0 @@ -/***************************************************************************/ -/* */ -/* otvmod.c */ -/* */ -/* FreeType's OpenType validation module implementation (body). */ -/* */ -/* Copyright 2004, 2005, 2006 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_TRUETYPE_TABLES_H -#include FT_TRUETYPE_TAGS_H -#include FT_OPENTYPE_VALIDATE_H -#include FT_INTERNAL_OBJECTS_H -#include FT_SERVICE_OPENTYPE_VALIDATE_H - -#include "otvmod.h" -#include "otvalid.h" -#include "otvcommn.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_otvmodule - - - static FT_Error - otv_load_table( FT_Face face, - FT_Tag tag, - FT_Byte* volatile* table, - FT_ULong* table_len ) - { - FT_Error error; - FT_Memory memory = FT_FACE_MEMORY( face ); - - - error = FT_Load_Sfnt_Table( face, tag, 0, NULL, table_len ); - if ( error == OTV_Err_Table_Missing ) - return OTV_Err_Ok; - if ( error ) - goto Exit; - - if ( FT_ALLOC( *table, *table_len ) ) - goto Exit; - - error = FT_Load_Sfnt_Table( face, tag, 0, *table, table_len ); - - Exit: - return error; - } - - - static FT_Error - otv_validate( FT_Face volatile face, - FT_UInt ot_flags, - FT_Bytes *ot_base, - FT_Bytes *ot_gdef, - FT_Bytes *ot_gpos, - FT_Bytes *ot_gsub, - FT_Bytes *ot_jstf ) - { - FT_Error error = OTV_Err_Ok; - FT_Byte* volatile base; - FT_Byte* volatile gdef; - FT_Byte* volatile gpos; - FT_Byte* volatile gsub; - FT_Byte* volatile jstf; - FT_ULong len_base, len_gdef, len_gpos, len_gsub, len_jstf; - FT_ValidatorRec volatile valid; - - - base = gdef = gpos = gsub = jstf = NULL; - len_base = len_gdef = len_gpos = len_gsub = len_jstf = 0; - - /* load tables */ - - if ( ot_flags & FT_VALIDATE_BASE ) - { - error = otv_load_table( face, TTAG_BASE, &base, &len_base ); - if ( error ) - goto Exit; - } - - if ( ot_flags & FT_VALIDATE_GDEF ) - { - error = otv_load_table( face, TTAG_GDEF, &gdef, &len_gdef ); - if ( error ) - goto Exit; - } - - if ( ot_flags & FT_VALIDATE_GPOS ) - { - error = otv_load_table( face, TTAG_GPOS, &gpos, &len_gpos ); - if ( error ) - goto Exit; - } - - if ( ot_flags & FT_VALIDATE_GSUB ) - { - error = otv_load_table( face, TTAG_GSUB, &gsub, &len_gsub ); - if ( error ) - goto Exit; - } - - if ( ot_flags & FT_VALIDATE_JSTF ) - { - error = otv_load_table( face, TTAG_JSTF, &jstf, &len_jstf ); - if ( error ) - goto Exit; - } - - /* validate tables */ - - if ( base ) - { - ft_validator_init( &valid, base, base + len_base, FT_VALIDATE_DEFAULT ); - if ( ft_setjmp( valid.jump_buffer ) == 0 ) - otv_BASE_validate( base, &valid ); - error = valid.error; - if ( error ) - goto Exit; - } - - if ( gpos ) - { - ft_validator_init( &valid, gpos, gpos + len_gpos, FT_VALIDATE_DEFAULT ); - if ( ft_setjmp( valid.jump_buffer ) == 0 ) - otv_GPOS_validate( gpos, face->num_glyphs, &valid ); - error = valid.error; - if ( error ) - goto Exit; - } - - if ( gsub ) - { - ft_validator_init( &valid, gsub, gsub + len_gsub, FT_VALIDATE_DEFAULT ); - if ( ft_setjmp( valid.jump_buffer ) == 0 ) - otv_GSUB_validate( gsub, face->num_glyphs, &valid ); - error = valid.error; - if ( error ) - goto Exit; - } - - if ( gdef ) - { - ft_validator_init( &valid, gdef, gdef + len_gdef, FT_VALIDATE_DEFAULT ); - if ( ft_setjmp( valid.jump_buffer ) == 0 ) - otv_GDEF_validate( gdef, gsub, gpos, &valid ); - error = valid.error; - if ( error ) - goto Exit; - } - - if ( jstf ) - { - ft_validator_init( &valid, jstf, jstf + len_jstf, FT_VALIDATE_DEFAULT ); - if ( ft_setjmp( valid.jump_buffer ) == 0 ) - otv_JSTF_validate( jstf, gsub, gpos, face->num_glyphs, &valid ); - error = valid.error; - if ( error ) - goto Exit; - } - - *ot_base = (FT_Bytes)base; - *ot_gdef = (FT_Bytes)gdef; - *ot_gpos = (FT_Bytes)gpos; - *ot_gsub = (FT_Bytes)gsub; - *ot_jstf = (FT_Bytes)jstf; - - Exit: - if ( error ) { - FT_Memory memory = FT_FACE_MEMORY( face ); - - - FT_FREE( base ); - FT_FREE( gdef ); - FT_FREE( gpos ); - FT_FREE( gsub ); - FT_FREE( jstf ); - } - - return error; - } - - - static - const FT_Service_OTvalidateRec otvalid_interface = - { - otv_validate - }; - - - static - const FT_ServiceDescRec otvalid_services[] = - { - { FT_SERVICE_ID_OPENTYPE_VALIDATE, &otvalid_interface }, - { NULL, NULL } - }; - - - static FT_Pointer - otvalid_get_service( FT_Module module, - const char* service_id ) - { - FT_UNUSED( module ); - - return ft_service_list_lookup( otvalid_services, service_id ); - } - - - FT_CALLBACK_TABLE_DEF - const FT_Module_Class otv_module_class = - { - 0, - sizeof( FT_ModuleRec ), - "otvalid", - 0x10000L, - 0x20000L, - - 0, /* module-specific interface */ - - (FT_Module_Constructor)0, - (FT_Module_Destructor) 0, - (FT_Module_Requester) otvalid_get_service - }; - - -/* END */ |