--- /dev/null
+/***************************************************************************/
+/* */
+/* sfdriver.c */
+/* */
+/* High-level SFNT 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 FT_INTERNAL_SFNT_H
+#include FT_INTERNAL_OBJECTS_H
+
+#include "sfdriver.h"
+#include "ttload.h"
+#include "ttcmap.h"
+#include "sfobjs.h"
+
+#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
+#include "ttsbit.h"
+#endif
+
+#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
+#include "ttpost.h"
+#endif
+
+#include <string.h> /* for strcmp() */
+
+
+ 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 == 0xFFFF ? 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;
+ }
+
+
+#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
+
+
+ static FT_Error
+ get_sfnt_glyph_name( TT_Face face,
+ FT_UInt glyph_index,
+ FT_Pointer buffer,
+ FT_UInt buffer_max )
+ {
+ FT_String* gname;
+ FT_Error error;
+
+
+ error = TT_Get_PS_Name( face, glyph_index, &gname );
+ if ( !error && buffer_max > 0 )
+ {
+ FT_UInt len = (FT_UInt)( strlen( gname ) );
+
+
+ if ( len >= buffer_max )
+ len = buffer_max - 1;
+
+ MEM_Copy( buffer, gname, len );
+ ((FT_Byte*)buffer)[len] = 0;
+ }
+
+ return error;
+ }
+
+
+ static const char*
+ get_sfnt_postscript_name( TT_Face face )
+ {
+ FT_Int n;
+
+ /* shouldn't happen, but just in case to avoid memory leaks */
+ if ( face->root.internal->postscript_name )
+ return face->root.internal->postscript_name;
+
+ /* scan the name table to see if we have a Postscript name here, either */
+ /* in Macintosh or Windows platform encodings.. */
+ for ( n = 0; n < face->num_names; n++ )
+ {
+ TT_NameRec* name = face->name_table.names + n;
+
+ if ( name->nameID == 6 )
+ {
+ if ( ( name->platformID == 3 &&
+ name->encodingID == 1 &&
+ name->languageID == 0x409 ) ||
+
+ ( name->platformID == 1 &&
+ name->encodingID == 0 &&
+ name->languageID == 0 ) )
+ {
+ FT_UInt len = name->stringLength;
+ FT_Error error;
+ FT_Memory memory = face->root.memory;
+ FT_String* result;
+
+ if ( !ALLOC( result, len+1 ) )
+ {
+ memcpy( result, name->string, len );
+ result[len] = '\0';
+
+ face->root.internal->postscript_name = result;
+ }
+ return result;
+ }
+ }
+ }
+
+ return NULL;
+ }
+
+
+#endif /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */
+
+
+ FT_CALLBACK_DEF( FT_Module_Interface )
+ SFNT_Get_Interface( FT_Module module,
+ const char* interface )
+ {
+ FT_UNUSED( module );
+
+ if ( strcmp( interface, "get_sfnt" ) == 0 )
+ return (FT_Module_Interface)get_sfnt_table;
+
+#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
+ if ( strcmp( interface, "glyph_name" ) == 0 )
+ return (FT_Module_Interface)get_sfnt_glyph_name;
+#endif
+
+ if ( strcmp( interface, "postscript_name" ) == 0 )
+ return (FT_Module_Interface)get_sfnt_postscript_name;
+
+ return 0;
+ }
+
+
+ static
+ const SFNT_Interface sfnt_interface =
+ {
+ TT_Goto_Table,
+
+ SFNT_Init_Face,
+ SFNT_Load_Face,
+ SFNT_Done_Face,
+ SFNT_Get_Interface,
+
+ TT_Load_Any,
+ TT_Load_SFNT_Header,
+ TT_Load_Directory,
+
+ TT_Load_Header,
+ TT_Load_Metrics_Header,
+ TT_Load_CMap,
+ TT_Load_MaxProfile,
+ TT_Load_OS2,
+ TT_Load_PostScript,
+
+ TT_Load_Names,
+ TT_Free_Names,
+
+ TT_Load_Hdmx,
+ TT_Free_Hdmx,
+
+ TT_Load_Kern,
+ TT_Load_Gasp,
+ TT_Load_PCLT,
+
+#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
+
+ /* see `ttload.h' */
+ TT_Load_Bitmap_Header,
+
+ /* see `ttsbit.h' */
+ TT_Set_SBit_Strike,
+ TT_Load_SBit_Strikes,
+ TT_Load_SBit_Image,
+ TT_Free_SBit_Strikes,
+
+#else /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
+
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+
+#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
+
+#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
+
+ /* see `ttpost.h' */
+ TT_Get_PS_Name,
+ TT_Free_Post_Names,
+
+#else /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */
+
+ 0,
+ 0,
+
+#endif /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */
+
+ /* see `ttcmap.h' */
+ TT_CharMap_Load,
+ TT_CharMap_Free,
+ };
+
+
+ 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 */
projects / rrdtool.git / blobdiff