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/***************************************************************************/
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/* High-level Type 42 driver interface (body). */
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/* Copyright 2002, 2003, 2004, 2006, 2007, 2009 by Roberto Alameda. */
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/* This file is part of the FreeType project, and may only be used, */
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/* modified, and distributed under the terms of the FreeType project */
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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/* this file you indicate that you have read the license and */
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/* understand and accept it fully. */
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/***************************************************************************/
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/*************************************************************************/
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/* This driver implements Type42 fonts as described in the */
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/* Technical Note #5012 from Adobe, with these limitations: */
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/* 1) CID Fonts are not currently supported. */
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/* 2) Incremental fonts making use of the GlyphDirectory keyword */
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/* will be loaded, but the rendering will be using the TrueType */
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/* 3) As for Type1 fonts, CDevProc is not supported. */
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/* 4) The Metrics dictionary is not supported. */
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/* 5) AFM metrics are not supported. */
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/* In other words, this driver supports Type42 fonts derived from */
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/* TrueType fonts in a non-CID manner, as done by usual conversion */
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/*************************************************************************/
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#include FT_INTERNAL_DEBUG_H
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#include FT_SERVICE_XFREE86_NAME_H
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#include FT_SERVICE_GLYPH_DICT_H
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#include FT_SERVICE_POSTSCRIPT_NAME_H
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#include FT_SERVICE_POSTSCRIPT_INFO_H
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#define FT_COMPONENT trace_t42
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t42_get_glyph_name( T42_Face face,
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FT_STRCPYN( buffer, face->type1.glyph_names[glyph_index], buffer_max );
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t42_get_name_index( T42_Face face,
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FT_String* glyph_name )
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for ( i = 0; i < face->type1.num_glyphs; i++ )
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gname = face->type1.glyph_names[i];
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if ( glyph_name[0] == gname[0] && !ft_strcmp( glyph_name, gname ) )
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return (FT_UInt)ft_atol( (const char *)face->type1.charstrings[i] );
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static const FT_Service_GlyphDictRec t42_service_glyph_dict =
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(FT_GlyphDict_GetNameFunc) t42_get_glyph_name,
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(FT_GlyphDict_NameIndexFunc)t42_get_name_index
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* POSTSCRIPT NAME SERVICE
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t42_get_ps_font_name( T42_Face face )
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return (const char*)face->type1.font_name;
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static const FT_Service_PsFontNameRec t42_service_ps_font_name =
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(FT_PsName_GetFunc)t42_get_ps_font_name
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* POSTSCRIPT INFO SERVICE
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t42_ps_get_font_info( FT_Face face,
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PS_FontInfoRec* afont_info )
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*afont_info = ((T42_Face)face)->type1.font_info;
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t42_ps_get_font_extra( FT_Face face,
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PS_FontExtraRec* afont_extra )
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*afont_extra = ((T42_Face)face)->type1.font_extra;
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t42_ps_has_glyph_names( FT_Face face )
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t42_ps_get_font_private( FT_Face face,
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PS_PrivateRec* afont_private )
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*afont_private = ((T42_Face)face)->type1.private_dict;
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static const FT_Service_PsInfoRec t42_service_ps_info =
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(PS_GetFontInfoFunc) t42_ps_get_font_info,
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(PS_GetFontExtraFunc) t42_ps_get_font_extra,
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(PS_HasGlyphNamesFunc) t42_ps_has_glyph_names,
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(PS_GetFontPrivateFunc)t42_ps_get_font_private
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static const FT_ServiceDescRec t42_services[] =
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{ FT_SERVICE_ID_GLYPH_DICT, &t42_service_glyph_dict },
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{ FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &t42_service_ps_font_name },
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{ FT_SERVICE_ID_POSTSCRIPT_INFO, &t42_service_ps_info },
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{ FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_TYPE_42 },
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static FT_Module_Interface
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T42_Get_Interface( FT_Driver driver,
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const FT_String* t42_interface )
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return ft_service_list_lookup( t42_services, t42_interface );
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const FT_Driver_ClassRec t42_driver_class =
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FT_MODULE_FONT_DRIVER |
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FT_MODULE_DRIVER_SCALABLE |
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#ifdef TT_USE_BYTECODE_INTERPRETER
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FT_MODULE_DRIVER_HAS_HINTER,
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sizeof ( T42_DriverRec ),
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0, /* format interface */
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(FT_Module_Constructor)T42_Driver_Init,
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(FT_Module_Destructor) T42_Driver_Done,
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(FT_Module_Requester) T42_Get_Interface,
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sizeof ( T42_FaceRec ),
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sizeof ( T42_SizeRec ),
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sizeof ( T42_GlyphSlotRec ),
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(FT_Face_InitFunc) T42_Face_Init,
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(FT_Face_DoneFunc) T42_Face_Done,
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(FT_Size_InitFunc) T42_Size_Init,
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(FT_Size_DoneFunc) T42_Size_Done,
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(FT_Slot_InitFunc) T42_GlyphSlot_Init,
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(FT_Slot_DoneFunc) T42_GlyphSlot_Done,
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#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
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ft_stub_set_char_sizes,
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ft_stub_set_pixel_sizes,
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(FT_Slot_LoadFunc) T42_GlyphSlot_Load,
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(FT_Face_GetKerningFunc) 0,
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(FT_Face_AttachFunc) 0,
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(FT_Face_GetAdvancesFunc) 0,
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(FT_Size_RequestFunc) T42_Size_Request,
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(FT_Size_SelectFunc) T42_Size_Select