X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=libraries%2Ffreetype-2.0.5%2Fcffdrivr.c;fp=libraries%2Ffreetype-2.0.5%2Fcffdrivr.c;h=0000000000000000000000000000000000000000;hp=c8270f8e48980865380d3d61d7be2cbc6a0ca4ff;hb=bab0189ee9d56aca8bea909275317ab4e0be09ee;hpb=b837c0527f117b54845242ee7626df6d88394444 diff --git a/libraries/freetype-2.0.5/cffdrivr.c b/libraries/freetype-2.0.5/cffdrivr.c deleted file mode 100644 index c8270f8..0000000 --- a/libraries/freetype-2.0.5/cffdrivr.c +++ /dev/null @@ -1,483 +0,0 @@ -/***************************************************************************/ -/* */ -/* cffdrivr.c */ -/* */ -/* OpenType font driver implementation (body). */ -/* */ -/* 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. */ -/* */ -/***************************************************************************/ - - -#include -#include FT_FREETYPE_H -#include FT_INTERNAL_DEBUG_H -#include FT_INTERNAL_STREAM_H -#include FT_INTERNAL_SFNT_H -#include FT_TRUETYPE_IDS_H - -#include "cffdrivr.h" -#include "cffgload.h" -#include "cffload.h" - -#include "cfferrs.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_cffdriver - - - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - /**** ****/ - /**** ****/ - /**** F A C E S ****/ - /**** ****/ - /**** ****/ - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - - -#undef PAIR_TAG -#define PAIR_TAG( left, right ) ( ( (FT_ULong)left << 16 ) | \ - (FT_ULong)right ) - - - /*************************************************************************/ - /* */ - /* */ - /* Get_Kerning */ - /* */ - /* */ - /* A driver method used to return the kerning vector between two */ - /* glyphs of the same face. */ - /* */ - /* */ - /* face :: A handle to the source face object. */ - /* */ - /* left_glyph :: The index of the left glyph in the kern pair. */ - /* */ - /* right_glyph :: The index of the right glyph in the kern pair. */ - /* */ - /* */ - /* kerning :: The kerning vector. This is in font units for */ - /* scalable formats, and in pixels for fixed-sizes */ - /* formats. */ - /* */ - /* */ - /* FreeType error code. 0 means success. */ - /* */ - /* */ - /* Only horizontal layouts (left-to-right & right-to-left) are */ - /* supported by this function. Other layouts, or more sophisticated */ - /* kernings, are out of scope of this method (the basic driver */ - /* interface is meant to be simple). */ - /* */ - /* They can be implemented by format-specific interfaces. */ - /* */ - static FT_Error - Get_Kerning( TT_Face face, - FT_UInt left_glyph, - FT_UInt right_glyph, - FT_Vector* kerning ) - { - TT_Kern_0_Pair* pair; - - - if ( !face ) - return CFF_Err_Invalid_Face_Handle; - - kerning->x = 0; - kerning->y = 0; - - if ( face->kern_pairs ) - { - /* there are some kerning pairs in this font file! */ - FT_ULong search_tag = PAIR_TAG( left_glyph, right_glyph ); - FT_Long left, right; - - - left = 0; - right = face->num_kern_pairs - 1; - - while ( left <= right ) - { - FT_Int middle = left + ( ( right - left ) >> 1 ); - FT_ULong cur_pair; - - - pair = face->kern_pairs + middle; - cur_pair = PAIR_TAG( pair->left, pair->right ); - - if ( cur_pair == search_tag ) - goto Found; - - if ( cur_pair < search_tag ) - left = middle + 1; - else - right = middle - 1; - } - } - - Exit: - return CFF_Err_Ok; - - Found: - kerning->x = pair->value; - goto Exit; - } - - -#undef PAIR_TAG - - - /*************************************************************************/ - /* */ - /* */ - /* Load_Glyph */ - /* */ - /* */ - /* A driver method used to load a glyph within a given glyph slot. */ - /* */ - /* */ - /* slot :: A handle to the target slot object where the glyph */ - /* will be loaded. */ - /* */ - /* size :: A handle to the source face size at which the glyph */ - /* must be scaled, loaded, etc. */ - /* */ - /* glyph_index :: The index of the glyph in the font file. */ - /* */ - /* load_flags :: A flag indicating what to load for this glyph. The */ - /* FTLOAD_??? constants can be used to control the */ - /* glyph loading process (e.g., whether the outline */ - /* should be scaled, whether to load bitmaps or not, */ - /* whether to hint the outline, etc). */ - /* */ - /* */ - /* FreeType error code. 0 means success. */ - /* */ - static FT_Error - Load_Glyph( CFF_GlyphSlot slot, - CFF_Size size, - FT_UShort glyph_index, - FT_UInt load_flags ) - { - FT_Error error; - - - if ( !slot ) - return CFF_Err_Invalid_Slot_Handle; - - /* check whether we want a scaled outline or bitmap */ - if ( !size ) - load_flags |= FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING; - - if ( load_flags & FT_LOAD_NO_SCALE ) - size = NULL; - - /* reset the size object if necessary */ - if ( size ) - { - /* these two object must have the same parent */ - if ( size->face != slot->root.face ) - return CFF_Err_Invalid_Face_Handle; - } - - /* now load the glyph outline if necessary */ - error = CFF_Load_Glyph( slot, size, glyph_index, load_flags ); - - /* force drop-out mode to 2 - irrelevant now */ - /* slot->outline.dropout_mode = 2; */ - - return error; - } - - - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - /**** ****/ - /**** ****/ - /**** C H A R A C T E R M A P P I N G S ****/ - /**** ****/ - /**** ****/ - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - - static FT_Error - cff_get_glyph_name( CFF_Face face, - FT_UInt glyph_index, - FT_Pointer buffer, - FT_UInt buffer_max ) - { - CFF_Font* font = (CFF_Font*)face->extra.data; - FT_Memory memory = FT_FACE_MEMORY(face); - FT_String* gname; - FT_UShort sid; - PSNames_Interface* psnames; - FT_Error error; - - psnames = (PSNames_Interface*)FT_Get_Module_Interface( - face->root.driver->root.library, "psnames" ); - - if ( !psnames ) - { - FT_ERROR(( "CFF_Init_Face:" )); - FT_ERROR(( " cannot open CFF & CEF fonts\n" )); - FT_ERROR(( " " )); - FT_ERROR(( " without the `PSNames' module\n" )); - error = CFF_Err_Unknown_File_Format; - goto Exit; - } - - /* first, locate the sid in the charset table */ - sid = font->charset.sids[glyph_index]; - - /* now, lookup the name itself */ - gname = CFF_Get_String( &font->string_index, sid, psnames ); - - if ( buffer_max > 0 ) - { - FT_UInt len = strlen( gname ); - - - if ( len >= buffer_max ) - len = buffer_max - 1; - - MEM_Copy( buffer, gname, len ); - ((FT_Byte*)buffer)[len] = 0; - } - - FREE ( gname ); - error = CFF_Err_Ok; - - Exit: - return error; - } - - - /*************************************************************************/ - /* */ - /* */ - /* cff_get_char_index */ - /* */ - /* */ - /* Uses a charmap to return a given character code's glyph index. */ - /* */ - /* */ - /* charmap :: A handle to the source charmap object. */ - /* charcode :: The character code. */ - /* */ - /* */ - /* Glyph index. 0 means `undefined character code'. */ - /* */ - static FT_UInt - cff_get_char_index( TT_CharMap charmap, - FT_Long charcode ) - { - FT_Error error; - CFF_Face face; - TT_CMapTable* cmap; - - - cmap = &charmap->cmap; - face = (CFF_Face)charmap->root.face; - - /* Load table if needed */ - if ( !cmap->loaded ) - { - SFNT_Interface* sfnt = (SFNT_Interface*)face->sfnt; - - - error = sfnt->load_charmap( face, cmap, face->root.stream ); - if ( error ) - return 0; - - cmap->loaded = TRUE; - } - - return ( cmap->get_index ? cmap->get_index( cmap, charcode ) : 0 ); - } - - - /*************************************************************************/ - /* */ - /* */ - /* cff_get_name_index */ - /* */ - /* */ - /* Uses the psnames module and the CFF font's charset to to return a */ - /* a given glyph name's glyph index. */ - /* */ - /* */ - /* face :: A handle to the source face object. */ - /* */ - /* glyph_name :: The glyph name. */ - /* */ - /* */ - /* Glyph index. 0 means `undefined character code'. */ - /* */ - static FT_UInt - cff_get_name_index( CFF_Face face, - FT_String* glyph_name ) - { - CFF_Font* cff; - CFF_Charset* charset; - PSNames_Interface* psnames; - FT_String* name; - FT_UShort sid; - FT_UInt i; - - - cff = face->extra.data; - charset = &cff->charset; - - psnames = (PSNames_Interface*)FT_Get_Module_Interface( - face->root.driver->root.library, "psnames" ); - - for ( i = 0; i < cff->num_glyphs; i++ ) - { - sid = charset->sids[i]; - - if ( sid > 390 ) - name = CFF_Get_Name( &cff->string_index, sid - 391 ); - else - name = (FT_String *)psnames->adobe_std_strings( sid ); - - if ( !strcmp( glyph_name, name ) ) - return i; - } - - return 0; - } - - - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - /**** ****/ - /**** ****/ - /**** D R I V E R I N T E R F A C E ****/ - /**** ****/ - /**** ****/ - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - - static FT_Module_Interface - cff_get_interface( CFF_Driver driver, - const char* interface ) - { - FT_Module sfnt; - -#ifndef FT_CONFIG_OPTION_NO_GLYPH_NAMES - - if ( strcmp( (const char*)interface, "glyph_name" ) == 0 ) - return (FT_Module_Interface)cff_get_glyph_name; - - if ( strcmp( (const char*)interface, "name_index" ) == 0 ) - return (FT_Module_Interface)cff_get_name_index; - -#endif - - /* we simply pass our request to the `sfnt' module */ - sfnt = FT_Get_Module( driver->root.root.library, "sfnt" ); - - return sfnt ? sfnt->clazz->get_interface( sfnt, interface ) : 0; - } - - - /* The FT_DriverInterface structure is defined in ftdriver.h. */ - - FT_CALLBACK_TABLE_DEF - const FT_Driver_Class cff_driver_class = - { - /* begin with the FT_Module_Class fields */ - { - ft_module_font_driver | ft_module_driver_scalable, - sizeof( CFF_DriverRec ), - "cff", - 0x10000L, - 0x20000L, - - 0, /* module-specific interface */ - - (FT_Module_Constructor)CFF_Init_Driver, - (FT_Module_Destructor) CFF_Done_Driver, - (FT_Module_Requester) cff_get_interface, - }, - - /* now the specific driver fields */ - sizeof( TT_FaceRec ), - sizeof( FT_SizeRec ), - sizeof( CFF_GlyphSlotRec ), - - (FTDriver_initFace) CFF_Init_Face, - (FTDriver_doneFace) CFF_Done_Face, - (FTDriver_initSize) 0, - (FTDriver_doneSize) 0, - (FTDriver_initGlyphSlot)0, - (FTDriver_doneGlyphSlot)0, - - (FTDriver_setCharSizes) 0, - (FTDriver_setPixelSizes)0, - - (FTDriver_loadGlyph) Load_Glyph, - (FTDriver_getCharIndex) cff_get_char_index, - - (FTDriver_getKerning) Get_Kerning, - (FTDriver_attachFile) 0, - (FTDriver_getAdvances) 0 - }; - - -#ifdef FT_CONFIG_OPTION_DYNAMIC_DRIVERS - - - /*************************************************************************/ - /* */ - /* */ - /* getDriverClass */ - /* */ - /* */ - /* This function is used when compiling the TrueType driver as a */ - /* shared library (`.DLL' or `.so'). It will be used by the */ - /* high-level library of FreeType to retrieve the address of the */ - /* driver's generic interface. */ - /* */ - /* It shouldn't be implemented in a static build, as each driver must */ - /* have the same function as an exported entry point. */ - /* */ - /* */ - /* The address of the TrueType's driver generic interface. The */ - /* format-specific interface can then be retrieved through the method */ - /* interface->get_format_interface. */ - /* */ - FT_EXPORT_DEF( const FT_Driver_Class* ) - getDriverClass( void ) - { - return &cff_driver_class; - } - - -#endif /* CONFIG_OPTION_DYNAMIC_DRIVERS */ - - -/* END */