From 27a4f9c4ac45ff65f941964f7351b64b1e6a9f35 Mon Sep 17 00:00:00 2001 From: scuri Date: Tue, 20 Oct 2009 17:20:18 +0000 Subject: *** empty log message *** --- src/freetype2/cff/cffdrivr.c | 329 ++++++++++++++++++++++++++++++++++--------- 1 file changed, 260 insertions(+), 69 deletions(-) (limited to 'src/freetype2/cff/cffdrivr.c') diff --git a/src/freetype2/cff/cffdrivr.c b/src/freetype2/cff/cffdrivr.c index 952e88e..217adf2 100644 --- a/src/freetype2/cff/cffdrivr.c +++ b/src/freetype2/cff/cffdrivr.c @@ -4,7 +4,7 @@ /* */ /* OpenType font driver implementation (body). */ /* */ -/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007 by */ +/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -21,21 +21,25 @@ #include FT_INTERNAL_DEBUG_H #include FT_INTERNAL_STREAM_H #include FT_INTERNAL_SFNT_H -#include FT_TRUETYPE_IDS_H +#include FT_SERVICE_CID_H #include FT_SERVICE_POSTSCRIPT_CMAPS_H #include FT_SERVICE_POSTSCRIPT_INFO_H +#include FT_SERVICE_POSTSCRIPT_NAME_H #include FT_SERVICE_TT_CMAP_H #include "cffdrivr.h" #include "cffgload.h" #include "cffload.h" #include "cffcmap.h" +#include "cffparse.h" #include "cfferrs.h" +#include "cffpic.h" #include FT_SERVICE_XFREE86_NAME_H #include FT_SERVICE_GLYPH_DICT_H + /*************************************************************************/ /* */ /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ @@ -151,7 +155,7 @@ FT_UInt glyph_index, FT_Int32 load_flags ) { - FT_Error error; + FT_Error error; CFF_GlyphSlot slot = (CFF_GlyphSlot)cffslot; CFF_Size size = (CFF_Size)cffsize; @@ -163,10 +167,10 @@ if ( !size ) load_flags |= FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING; + /* reset the size object if necessary */ if ( load_flags & FT_LOAD_NO_SCALE ) size = NULL; - /* reset the size object if necessary */ if ( size ) { /* these two objects must have the same parent */ @@ -184,10 +188,39 @@ } - /* - * GLYPH DICT SERVICE - * - */ + FT_CALLBACK_DEF( FT_Error ) + cff_get_advances( FT_Face face, + FT_UInt start, + FT_UInt count, + FT_Int32 flags, + FT_Fixed* advances ) + { + FT_UInt nn; + FT_Error error = CFF_Err_Ok; + FT_GlyphSlot slot = face->glyph; + + + flags |= (FT_UInt32)FT_LOAD_ADVANCE_ONLY; + + for ( nn = 0; nn < count; nn++ ) + { + error = Load_Glyph( slot, face->size, start + nn, flags ); + if ( error ) + break; + + advances[nn] = ( flags & FT_LOAD_VERTICAL_LAYOUT ) + ? slot->linearVertAdvance + : slot->linearHoriAdvance; + } + + return error; + } + + + /* + * GLYPH DICT SERVICE + * + */ static FT_Error cff_get_glyph_name( CFF_Face face, @@ -206,10 +239,10 @@ FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS ); if ( !psnames ) { - FT_ERROR(( "cff_get_glyph_name:" )); - FT_ERROR(( " cannot get glyph name from CFF & CEF fonts\n" )); - FT_ERROR(( " " )); - FT_ERROR(( " without the `PSNames' module\n" )); + FT_ERROR(( "cff_get_glyph_name:" + " cannot get glyph name from CFF & CEF fonts\n" + " " + " without the `PSNames' module\n" )); error = CFF_Err_Unknown_File_Format; goto Exit; } @@ -226,8 +259,8 @@ FT_FREE( gname ); error = CFF_Err_Ok; - Exit: - return error; + Exit: + return error; } @@ -277,17 +310,16 @@ } - static const FT_Service_GlyphDictRec cff_service_glyph_dict = - { + FT_DEFINE_SERVICE_GLYPHDICTREC(cff_service_glyph_dict, (FT_GlyphDict_GetNameFunc) cff_get_glyph_name, - (FT_GlyphDict_NameIndexFunc)cff_get_name_index, - }; + (FT_GlyphDict_NameIndexFunc)cff_get_name_index + ) - /* - * POSTSCRIPT INFO SERVICE - * - */ + /* + * POSTSCRIPT INFO SERVICE + * + */ static FT_Int cff_ps_has_glyph_names( FT_Face face ) @@ -306,9 +338,10 @@ if ( cff && cff->font_info == NULL ) { - CFF_FontRecDict dict = &cff->top_font.font_dict; - PS_FontInfoRec *font_info; - FT_Memory memory = face->root.memory; + CFF_FontRecDict dict = &cff->top_font.font_dict; + PS_FontInfoRec *font_info; + FT_Memory memory = face->root.memory; + FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)cff->psnames; if ( FT_ALLOC( font_info, sizeof ( *font_info ) ) ) @@ -316,19 +349,19 @@ font_info->version = cff_index_get_sid_string( &cff->string_index, dict->version, - cff->psnames ); + psnames ); font_info->notice = cff_index_get_sid_string( &cff->string_index, dict->notice, - cff->psnames ); + psnames ); font_info->full_name = cff_index_get_sid_string( &cff->string_index, dict->full_name, - cff->psnames ); + psnames ); font_info->family_name = cff_index_get_sid_string( &cff->string_index, dict->family_name, - cff->psnames ); + psnames ); font_info->weight = cff_index_get_sid_string( &cff->string_index, dict->weight, - cff->psnames ); + psnames ); font_info->italic_angle = dict->italic_angle; font_info->is_fixed_pitch = dict->is_fixed_pitch; font_info->underline_position = (FT_Short)dict->underline_position; @@ -337,19 +370,40 @@ cff->font_info = font_info; } - *afont_info = *cff->font_info; + if ( cff ) + *afont_info = *cff->font_info; Fail: return error; } - static const FT_Service_PsInfoRec cff_service_ps_info = - { + FT_DEFINE_SERVICE_PSINFOREC(cff_service_ps_info, (PS_GetFontInfoFunc) cff_ps_get_font_info, + (PS_GetFontExtraFunc) NULL, (PS_HasGlyphNamesFunc) cff_ps_has_glyph_names, (PS_GetFontPrivateFunc)NULL /* unsupported with CFF fonts */ - }; + ) + + + /* + * POSTSCRIPT NAME SERVICE + * + */ + + static const char* + cff_get_ps_name( CFF_Face face ) + { + CFF_Font cff = (CFF_Font)face->extra.data; + + + return (const char*)cff->font_name; + } + + + FT_DEFINE_SERVICE_PSFONTNAMEREC(cff_service_ps_name, + (FT_PsName_GetFunc)cff_get_ps_name + ) /* @@ -368,15 +422,16 @@ { FT_CMap cmap = FT_CMAP( charmap ); FT_Error error = CFF_Err_Ok; + FT_Face face = FT_CMAP_FACE( cmap ); + FT_Library library = FT_FACE_LIBRARY( face ); cmap_info->language = 0; + cmap_info->format = 0; - if ( cmap->clazz != &cff_cmap_encoding_class_rec && - cmap->clazz != &cff_cmap_unicode_class_rec ) + if ( cmap->clazz != &FT_CFF_CMAP_ENCODING_CLASS_REC_GET && + cmap->clazz != &FT_CFF_CMAP_UNICODE_CLASS_REC_GET ) { - FT_Face face = FT_CMAP_FACE( cmap ); - FT_Library library = FT_FACE_LIBRARY( face ); FT_Module sfnt = FT_Get_Module( library, "sfnt" ); FT_Service_TTCMaps service = (FT_Service_TTCMaps)ft_module_get_service( sfnt, @@ -391,10 +446,143 @@ } - static const FT_Service_TTCMapsRec cff_service_get_cmap_info = - { + FT_DEFINE_SERVICE_TTCMAPSREC(cff_service_get_cmap_info, (TT_CMap_Info_GetFunc)cff_get_cmap_info - }; + ) + + + /* + * CID INFO SERVICE + * + */ + static FT_Error + cff_get_ros( CFF_Face face, + const char* *registry, + const char* *ordering, + FT_Int *supplement ) + { + FT_Error error = CFF_Err_Ok; + CFF_Font cff = (CFF_Font)face->extra.data; + + + if ( cff ) + { + CFF_FontRecDict dict = &cff->top_font.font_dict; + FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)cff->psnames; + + + if ( dict->cid_registry == 0xFFFFU ) + { + error = CFF_Err_Invalid_Argument; + goto Fail; + } + + if ( registry ) + { + if ( cff->registry == NULL ) + cff->registry = cff_index_get_sid_string( &cff->string_index, + dict->cid_registry, + psnames ); + *registry = cff->registry; + } + + if ( ordering ) + { + if ( cff->ordering == NULL ) + cff->ordering = cff_index_get_sid_string( &cff->string_index, + dict->cid_ordering, + psnames ); + *ordering = cff->ordering; + } + + /* + * XXX: According to Adobe TechNote #5176, the supplement in CFF + * can be a real number. We truncate it to fit public API + * since freetype-2.3.6. + */ + if ( supplement ) + { + if ( dict->cid_supplement < FT_INT_MIN || + dict->cid_supplement > FT_INT_MAX ) + FT_TRACE1(( "cff_get_ros: too large supplement %d is truncated\n", + dict->cid_supplement )); + *supplement = (FT_Int)dict->cid_supplement; + } + } + + Fail: + return error; + } + + + static FT_Error + cff_get_is_cid( CFF_Face face, + FT_Bool *is_cid ) + { + FT_Error error = CFF_Err_Ok; + CFF_Font cff = (CFF_Font)face->extra.data; + + + *is_cid = 0; + + if ( cff ) + { + CFF_FontRecDict dict = &cff->top_font.font_dict; + + + if ( dict->cid_registry != 0xFFFFU ) + *is_cid = 1; + } + + return error; + } + + + static FT_Error + cff_get_cid_from_glyph_index( CFF_Face face, + FT_UInt glyph_index, + FT_UInt *cid ) + { + FT_Error error = CFF_Err_Ok; + CFF_Font cff; + + + cff = (CFF_Font)face->extra.data; + + if ( cff ) + { + FT_UInt c; + CFF_FontRecDict dict = &cff->top_font.font_dict; + + + if ( dict->cid_registry == 0xFFFFU ) + { + error = CFF_Err_Invalid_Argument; + goto Fail; + } + + if ( glyph_index > cff->num_glyphs ) + { + error = CFF_Err_Invalid_Argument; + goto Fail; + } + + c = cff->charset.sids[glyph_index]; + + if ( cid ) + *cid = c; + } + + Fail: + return error; + } + + + FT_DEFINE_SERVICE_CIDREC(cff_service_cid_info, + (FT_CID_GetRegistryOrderingSupplementFunc)cff_get_ros, + (FT_CID_GetIsInternallyCIDKeyedFunc) cff_get_is_cid, + (FT_CID_GetCIDFromGlyphIndexFunc) cff_get_cid_from_glyph_index + ) /*************************************************************************/ @@ -408,18 +596,24 @@ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ - - static const FT_ServiceDescRec cff_services[] = - { - { FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_CFF }, - { FT_SERVICE_ID_POSTSCRIPT_INFO, &cff_service_ps_info }, #ifndef FT_CONFIG_OPTION_NO_GLYPH_NAMES - { FT_SERVICE_ID_GLYPH_DICT, &cff_service_glyph_dict }, + FT_DEFINE_SERVICEDESCREC6(cff_services, + FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_CFF, + FT_SERVICE_ID_POSTSCRIPT_INFO, &FT_CFF_SERVICE_PS_INFO_GET, + FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &FT_CFF_SERVICE_PS_NAME_GET, + FT_SERVICE_ID_GLYPH_DICT, &FT_CFF_SERVICE_GLYPH_DICT_GET, + FT_SERVICE_ID_TT_CMAP, &FT_CFF_SERVICE_GET_CMAP_INFO_GET, + FT_SERVICE_ID_CID, &FT_CFF_SERVICE_CID_INFO_GET + ) +#else + FT_DEFINE_SERVICEDESCREC5(cff_services, + FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_CFF, + FT_SERVICE_ID_POSTSCRIPT_INFO, &FT_CFF_SERVICE_PS_INFO_GET, + FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &FT_CFF_SERVICE_PS_NAME_GET, + FT_SERVICE_ID_TT_CMAP, &FT_CFF_SERVICE_GET_CMAP_INFO_GET, + FT_SERVICE_ID_CID, &FT_CFF_SERVICE_CID_INFO_GET + ) #endif - { FT_SERVICE_ID_TT_CMAP, &cff_service_get_cmap_info }, - { NULL, NULL } - }; - FT_CALLBACK_DEF( FT_Module_Interface ) cff_get_interface( FT_Module driver, /* CFF_Driver */ @@ -427,9 +621,11 @@ { FT_Module sfnt; FT_Module_Interface result; + FT_Library library = driver->library; + FT_UNUSED(library); - result = ft_service_list_lookup( cff_services, module_interface ); + result = ft_service_list_lookup( FT_CFF_SERVICES_GET, module_interface ); if ( result != NULL ) return result; @@ -442,11 +638,13 @@ /* The FT_DriverInterface structure is defined in ftdriver.h. */ - FT_CALLBACK_TABLE_DEF - const FT_Driver_ClassRec cff_driver_class = - { - /* begin with the FT_Module_Class fields */ - { +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS +#define CFF_SIZE_SELECT cff_size_select +#else +#define CFF_SIZE_SELECT 0 +#endif + + FT_DEFINE_DRIVER(cff_driver_class, FT_MODULE_FONT_DRIVER | FT_MODULE_DRIVER_SCALABLE | FT_MODULE_DRIVER_HAS_HINTER, @@ -461,7 +659,6 @@ cff_driver_init, cff_driver_done, cff_get_interface, - }, /* now the specific driver fields */ sizeof( TT_FaceRec ), @@ -475,25 +672,19 @@ cff_slot_init, cff_slot_done, -#ifdef FT_CONFIG_OPTION_OLD_INTERNALS - ft_stub_set_char_sizes, - ft_stub_set_pixel_sizes, -#endif + ft_stub_set_char_sizes, /* FT_CONFIG_OPTION_OLD_INTERNALS */ + ft_stub_set_pixel_sizes, /* FT_CONFIG_OPTION_OLD_INTERNALS */ Load_Glyph, cff_get_kerning, 0, /* FT_Face_AttachFunc */ - 0, /* FT_Face_GetAdvancesFunc */ + cff_get_advances, /* FT_Face_GetAdvancesFunc */ cff_size_request, -#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS - cff_size_select -#else - 0 /* FT_Size_SelectFunc */ -#endif - }; + CFF_SIZE_SELECT + ) /* END */ -- cgit v1.2.3