+++ /dev/null
-/***************************************************************************/
-/* */
-/* cidriver.c */
-/* */
-/* CID driver interface (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 <ft2build.h>
-#include "cidriver.h"
-#include "cidgload.h"
-#include FT_INTERNAL_DEBUG_H
-#include FT_INTERNAL_STREAM_H
-#include FT_INTERNAL_POSTSCRIPT_NAMES_H
-
-#include "ciderrs.h"
-
-#include <string.h> /* for strcmp() */
-
-
- /*************************************************************************/
- /* */
- /* 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_ciddriver
-
-
-
- static const char*
- cid_get_postscript_name( CID_Face face )
- {
- return (const char*)face->cid.cid_font_name;
- }
-
-
- static FT_Module_Interface
- CID_Get_Interface( FT_Driver driver,
- const FT_String* interface )
- {
- FT_UNUSED( driver );
- FT_UNUSED( interface );
-
- if ( strcmp( (const char*)interface, "postscript_name" ) == 0 )
- return (FT_Module_Interface)cid_get_postscript_name;
-
- return 0;
- }
-
-
-#if 0 /* unimplemented yet */
-
- static FT_Error
- cid_Get_Kerning( T1_Face face,
- FT_UInt left_glyph,
- FT_UInt right_glyph,
- FT_Vector* kerning )
- {
- CID_AFM* afm;
-
-
- kerning->x = 0;
- kerning->y = 0;
-
- afm = (CID_AFM*)face->afm_data;
- if ( afm )
- CID_Get_Kerning( afm, left_glyph, right_glyph, kerning );
-
- return CID_Err_Ok;
- }
-
-
-#endif /* 0 */
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* Cid_Get_Char_Index */
- /* */
- /* <Description> */
- /* Uses a charmap to return a given character code's glyph index. */
- /* */
- /* <Input> */
- /* charmap :: A handle to the source charmap object. */
- /* */
- /* charcode :: The character code. */
- /* */
- /* <Return> */
- /* Glyph index. 0 means `undefined character code'. */
- /* */
- static FT_UInt
- CID_Get_Char_Index( FT_CharMap charmap,
- FT_Long charcode )
- {
- T1_Face face;
- FT_UInt result = 0;
- PSNames_Interface* psnames;
-
-
- face = (T1_Face)charmap->face;
- psnames = (PSNames_Interface*)face->psnames;
- if ( psnames )
- switch ( charmap->encoding )
- {
- /*******************************************************************/
- /* */
- /* Unicode encoding support */
- /* */
- case ft_encoding_unicode:
- /* use the `PSNames' module to synthetize the Unicode charmap */
- result = psnames->lookup_unicode( &face->unicode_map,
- (FT_ULong)charcode );
-
- /* the function returns 0xFFFF if the Unicode charcode has */
- /* no corresponding glyph. */
- if ( result == 0xFFFF )
- result = 0;
- goto Exit;
-
- /*******************************************************************/
- /* */
- /* Custom Type 1 encoding */
- /* */
- case ft_encoding_adobe_custom:
- {
- T1_Encoding* encoding = &face->type1.encoding;
-
-
- if ( charcode >= encoding->code_first &&
- charcode <= encoding->code_last )
- result = encoding->char_index[charcode];
- goto Exit;
- }
-
- /*******************************************************************/
- /* */
- /* Adobe Standard & Expert encoding support */
- /* */
- default:
- if ( charcode < 256 )
- {
- FT_UInt code;
- FT_Int n;
- const char* glyph_name;
-
-
- code = psnames->adobe_std_encoding[charcode];
- if ( charmap->encoding == ft_encoding_adobe_expert )
- code = psnames->adobe_expert_encoding[charcode];
-
- glyph_name = psnames->adobe_std_strings( code );
- if ( !glyph_name )
- break;
-
- for ( n = 0; n < face->type1.num_glyphs; n++ )
- {
- const char* gname = face->type1.glyph_names[n];
-
-
- if ( gname && gname[0] == glyph_name[0] &&
- strcmp( gname, glyph_name ) == 0 )
- {
- result = n;
- break;
- }
- }
- }
- }
-
- Exit:
- return result;
- }
-
-
-
- FT_CALLBACK_TABLE_DEF
- const FT_Driver_Class t1cid_driver_class =
- {
- /* first of all, the FT_Module_Class fields */
- {
- ft_module_font_driver | ft_module_driver_scalable,
- sizeof( FT_DriverRec ),
- "t1cid", /* module name */
- 0x10000L, /* version 1.0 of driver */
- 0x20000L, /* requires FreeType 2.0 */
-
- 0,
-
- (FT_Module_Constructor)CID_Init_Driver,
- (FT_Module_Destructor) CID_Done_Driver,
- (FT_Module_Requester) CID_Get_Interface
- },
-
- /* then the other font drivers fields */
- sizeof( CID_FaceRec ),
- sizeof( CID_SizeRec ),
- sizeof( CID_GlyphSlotRec ),
-
- (FTDriver_initFace) CID_Init_Face,
- (FTDriver_doneFace) CID_Done_Face,
-
- (FTDriver_initSize) 0,
- (FTDriver_doneSize) 0,
- (FTDriver_initGlyphSlot)0,
- (FTDriver_doneGlyphSlot)0,
-
- (FTDriver_setCharSizes) 0,
- (FTDriver_setPixelSizes)0,
-
- (FTDriver_loadGlyph) CID_Load_Glyph,
- (FTDriver_getCharIndex) CID_Get_Char_Index,
-
- (FTDriver_getKerning) 0,
- (FTDriver_attachFile) 0,
-
- (FTDriver_getAdvances) 0
- };
-
-
-#ifdef FT_CONFIG_OPTION_DYNAMIC_DRIVERS
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* getDriverClass */
- /* */
- /* <Description> */
- /* 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. */
- /* */
- /* <Return> */
- /* 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 &t1cid_driver_class;
- }
-
-
-#endif /* CONFIG_OPTION_DYNAMIC_DRIVERS */
-
-
-/* END */
projects / rrdtool.git / blobdiff