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Diffstat (limited to 'nx-X11/extras/freetype2/src/cff/cffdrivr.c')
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diff --git a/nx-X11/extras/freetype2/src/cff/cffdrivr.c b/nx-X11/extras/freetype2/src/cff/cffdrivr.c
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index e1f274e84..000000000
--- a/nx-X11/extras/freetype2/src/cff/cffdrivr.c
+++ /dev/null
@@ -1,480 +0,0 @@
-/***************************************************************************/
-/* */
-/* cffdrivr.c */
-/* */
-/* OpenType font driver implementation (body). */
-/* */
-/* Copyright 1996-2001, 2002, 2003, 2004 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_FREETYPE_H
-#include FT_INTERNAL_DEBUG_H
-#include FT_INTERNAL_STREAM_H
-#include FT_INTERNAL_SFNT_H
-#include FT_TRUETYPE_IDS_H
-#include FT_SERVICE_POSTSCRIPT_CMAPS_H
-#include FT_SERVICE_POSTSCRIPT_INFO_H
-#include FT_SERVICE_TT_CMAP_H
-
-#include "cffdrivr.h"
-#include "cffgload.h"
-#include "cffload.h"
-#include "cffcmap.h"
-
-#include "cfferrs.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 */
- /* 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 )
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* Get_Kerning */
- /* */
- /* <Description> */
- /* A driver method used to return the kerning vector between two */
- /* glyphs of the same face. */
- /* */
- /* <Input> */
- /* 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. */
- /* */
- /* <Output> */
- /* kerning :: The kerning vector. This is in font units for */
- /* scalable formats, and in pixels for fixed-sizes */
- /* formats. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- /* <Note> */
- /* 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. */
- /* */
- FT_CALLBACK_DEF( FT_Error )
- Get_Kerning( FT_Face ttface, /* TT_Face */
- FT_UInt left_glyph,
- FT_UInt right_glyph,
- FT_Vector* kerning )
- {
- TT_Face face = (TT_Face)ttface;
- TT_Kern0_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_Long 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
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* Load_Glyph */
- /* */
- /* <Description> */
- /* A driver method used to load a glyph within a given glyph slot. */
- /* */
- /* <Input> */
- /* 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 */
- /* FT_LOAD_??? 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). */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- FT_CALLBACK_DEF( FT_Error )
- Load_Glyph( FT_GlyphSlot cffslot, /* CFF_GlyphSlot */
- FT_Size cffsize, /* CFF_Size */
- FT_UInt glyph_index,
- FT_Int32 load_flags )
- {
- FT_Error error;
- CFF_GlyphSlot slot = (CFF_GlyphSlot)cffslot;
- CFF_Size size = (CFF_Size)cffsize;
-
-
- 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 objects must have the same parent */
- if ( cffsize->face != cffslot->face )
- return CFF_Err_Invalid_Face_Handle;
- }
-
- /* now load the glyph outline if necessary */
- error = cff_slot_load( slot, size, glyph_index, load_flags );
-
- /* force drop-out mode to 2 - irrelevant now */
- /* slot->outline.dropout_mode = 2; */
-
- return error;
- }
-
-
- /*
- * GLYPH DICT SERVICE
- *
- */
-
- 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;
- FT_Service_PsCMaps psnames;
- FT_Error error;
-
-
- 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" ));
- 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_index_get_sid_string( &font->string_index, sid, psnames );
-
- if ( gname && buffer_max > 0 )
- {
- FT_UInt len = (FT_UInt)ft_strlen( gname );
-
-
- if ( len >= buffer_max )
- len = buffer_max - 1;
-
- FT_MEM_COPY( buffer, gname, len );
- ((FT_Byte*)buffer)[len] = 0;
- }
-
- FT_FREE( gname );
- error = CFF_Err_Ok;
-
- Exit:
- return error;
- }
-
-
- static FT_UInt
- cff_get_name_index( CFF_Face face,
- FT_String* glyph_name )
- {
- CFF_Font cff;
- CFF_Charset charset;
- FT_Service_PsCMaps psnames;
- FT_Memory memory = FT_FACE_MEMORY( face );
- FT_String* name;
- FT_UShort sid;
- FT_UInt i;
- FT_Int result;
-
-
- cff = (CFF_FontRec *)face->extra.data;
- charset = &cff->charset;
-
- FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS );
- if ( !psnames )
- return 0;
-
- for ( i = 0; i < cff->num_glyphs; i++ )
- {
- sid = charset->sids[i];
-
- if ( sid > 390 )
- name = cff_index_get_name( &cff->string_index, sid - 391 );
- else
- name = (FT_String *)psnames->adobe_std_strings( sid );
-
- result = ft_strcmp( glyph_name, name );
-
- if ( sid > 390 )
- FT_FREE( name );
-
- if ( !result )
- return i;
- }
-
- return 0;
- }
-
-
- static const FT_Service_GlyphDictRec cff_service_glyph_dict =
- {
- (FT_GlyphDict_GetNameFunc) cff_get_glyph_name,
- (FT_GlyphDict_NameIndexFunc)cff_get_name_index,
- };
-
-
- /*
- * POSTSCRIPT INFO SERVICE
- *
- */
-
- static FT_Int
- cff_ps_has_glyph_names( FT_Face face )
- {
- return ( face->face_flags & FT_FACE_FLAG_GLYPH_NAMES ) > 0;
- }
-
-
- static const FT_Service_PsInfoRec cff_service_ps_info =
- {
- (PS_GetFontInfoFunc) NULL, /* unsupported with CFF fonts */
- (PS_HasGlyphNamesFunc)cff_ps_has_glyph_names
- };
-
-
- /*
- * TT CMAP INFO
- *
- * If the charmap is a synthetic Unicode encoding cmap or
- * a Type 1 standard (or expert) encoding cmap, hide TT CMAP INFO
- * service defined in SFNT module.
- *
- * Otherwise call the service function in the sfnt module.
- *
- */
- static FT_Error
- cff_get_cmap_info( FT_CharMap charmap,
- TT_CMapInfo *cmap_info )
- {
- FT_CMap cmap = FT_CMAP( charmap );
- FT_Error error = CFF_Err_Ok;
-
-
- cmap_info->language = 0;
-
- if ( cmap->clazz != &cff_cmap_encoding_class_rec &&
- cmap->clazz != &cff_cmap_unicode_class_rec )
- {
- 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,
- FT_SERVICE_ID_TT_CMAP );
-
-
- if ( service && service->get_cmap_info )
- error = service->get_cmap_info( charmap, cmap_info );
- }
-
- return error;
- }
-
-
- static const FT_Service_TTCMapsRec cff_service_get_cmap_info =
- {
- (TT_CMap_Info_GetFunc)cff_get_cmap_info
- };
-
-
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
- /**** ****/
- /**** ****/
- /**** D R I V E R I N T E R F A C E ****/
- /**** ****/
- /**** ****/
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
-
- 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 },
-#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 */
- const char* module_interface )
- {
- FT_Module sfnt;
- FT_Module_Interface result;
-
-
- result = ft_service_list_lookup( cff_services, module_interface );
- if ( result != NULL )
- return result;
-
- /* we pass our request to the `sfnt' module */
- sfnt = FT_Get_Module( driver->library, "sfnt" );
-
- return sfnt ? sfnt->clazz->get_interface( sfnt, module_interface ) : 0;
- }
-
-
- /* 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 */
- {
- FT_MODULE_FONT_DRIVER |
- FT_MODULE_DRIVER_SCALABLE |
- FT_MODULE_DRIVER_HAS_HINTER,
-
- sizeof( CFF_DriverRec ),
- "cff",
- 0x10000L,
- 0x20000L,
-
- 0, /* module-specific interface */
-
- cff_driver_init,
- cff_driver_done,
- cff_get_interface,
- },
-
- /* now the specific driver fields */
- sizeof( TT_FaceRec ),
- sizeof( CFF_SizeRec ),
- sizeof( CFF_GlyphSlotRec ),
-
- cff_face_init,
- cff_face_done,
- cff_size_init,
- cff_size_done,
- cff_slot_init,
- cff_slot_done,
-
- cff_point_size_reset,
- cff_size_reset,
-
- Load_Glyph,
-
- Get_Kerning,
- 0, /* FT_Face_AttachFunc */
- 0 /* FT_Face_GetAdvancesFunc */
- };
-
-
-/* END */
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