| /***************************************************************************/ |
| /* */ |
| /* t1driver.c */ |
| /* */ |
| /* Type 1 driver interface (body). */ |
| /* */ |
| /* Copyright 1996-2001, 2002, 2003, 2004, 2006 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 "t1driver.h" |
| #include "t1gload.h" |
| #include "t1load.h" |
| |
| #include "t1errors.h" |
| |
| #ifndef T1_CONFIG_OPTION_NO_AFM |
| #include "t1afm.h" |
| #endif |
| |
| #include FT_INTERNAL_DEBUG_H |
| #include FT_INTERNAL_STREAM_H |
| |
| #include FT_SERVICE_MULTIPLE_MASTERS_H |
| #include FT_SERVICE_GLYPH_DICT_H |
| #include FT_SERVICE_XFREE86_NAME_H |
| #include FT_SERVICE_POSTSCRIPT_NAME_H |
| #include FT_SERVICE_POSTSCRIPT_CMAPS_H |
| #include FT_SERVICE_POSTSCRIPT_INFO_H |
| #include FT_SERVICE_KERNING_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_t1driver |
| |
| /* |
| * GLYPH DICT SERVICE |
| * |
| */ |
| |
| static FT_Error |
| t1_get_glyph_name( T1_Face face, |
| FT_UInt glyph_index, |
| FT_Pointer buffer, |
| FT_UInt buffer_max ) |
| { |
| FT_String* gname; |
| |
| |
| gname = face->type1.glyph_names[glyph_index]; |
| |
| if ( 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; |
| } |
| |
| return T1_Err_Ok; |
| } |
| |
| |
| static FT_UInt |
| t1_get_name_index( T1_Face face, |
| FT_String* glyph_name ) |
| { |
| FT_Int i; |
| FT_String* gname; |
| |
| |
| for ( i = 0; i < face->type1.num_glyphs; i++ ) |
| { |
| gname = face->type1.glyph_names[i]; |
| |
| if ( !ft_strcmp( glyph_name, gname ) ) |
| return (FT_UInt)i; |
| } |
| |
| return 0; |
| } |
| |
| static const FT_Service_GlyphDictRec t1_service_glyph_dict = |
| { |
| (FT_GlyphDict_GetNameFunc) t1_get_glyph_name, |
| (FT_GlyphDict_NameIndexFunc)t1_get_name_index |
| }; |
| |
| |
| /* |
| * POSTSCRIPT NAME SERVICE |
| * |
| */ |
| |
| static const char* |
| t1_get_ps_name( T1_Face face ) |
| { |
| return (const char*) face->type1.font_name; |
| } |
| |
| static const FT_Service_PsFontNameRec t1_service_ps_name = |
| { |
| (FT_PsName_GetFunc)t1_get_ps_name |
| }; |
| |
| |
| /* |
| * MULTIPLE MASTERS SERVICE |
| * |
| */ |
| |
| #ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT |
| static const FT_Service_MultiMastersRec t1_service_multi_masters = |
| { |
| (FT_Get_MM_Func) T1_Get_Multi_Master, |
| (FT_Set_MM_Design_Func) T1_Set_MM_Design, |
| (FT_Set_MM_Blend_Func) T1_Set_MM_Blend, |
| (FT_Get_MM_Var_Func) T1_Get_MM_Var, |
| (FT_Set_Var_Design_Func)T1_Set_Var_Design |
| }; |
| #endif |
| |
| |
| /* |
| * POSTSCRIPT INFO SERVICE |
| * |
| */ |
| |
| static FT_Error |
| t1_ps_get_font_info( FT_Face face, |
| PS_FontInfoRec* afont_info ) |
| { |
| *afont_info = ((T1_Face)face)->type1.font_info; |
| return 0; |
| } |
| |
| |
| static FT_Int |
| t1_ps_has_glyph_names( FT_Face face ) |
| { |
| FT_UNUSED( face ); |
| return 1; |
| } |
| |
| |
| static FT_Error |
| t1_ps_get_font_private( FT_Face face, |
| PS_PrivateRec* afont_private ) |
| { |
| *afont_private = ((T1_Face)face)->type1.private_dict; |
| return 0; |
| } |
| |
| |
| static const FT_Service_PsInfoRec t1_service_ps_info = |
| { |
| (PS_GetFontInfoFunc) t1_ps_get_font_info, |
| (PS_HasGlyphNamesFunc) t1_ps_has_glyph_names, |
| (PS_GetFontPrivateFunc)t1_ps_get_font_private, |
| }; |
| |
| #ifndef T1_CONFIG_OPTION_NO_AFM |
| static const FT_Service_KerningRec t1_service_kerning = |
| { |
| T1_Get_Track_Kerning, |
| }; |
| #endif |
| |
| /* |
| * SERVICE LIST |
| * |
| */ |
| |
| static const FT_ServiceDescRec t1_services[] = |
| { |
| { FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &t1_service_ps_name }, |
| { FT_SERVICE_ID_GLYPH_DICT, &t1_service_glyph_dict }, |
| { FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_TYPE_1 }, |
| { FT_SERVICE_ID_POSTSCRIPT_INFO, &t1_service_ps_info }, |
| |
| #ifndef T1_CONFIG_OPTION_NO_AFM |
| { FT_SERVICE_ID_KERNING, &t1_service_kerning }, |
| #endif |
| |
| #ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT |
| { FT_SERVICE_ID_MULTI_MASTERS, &t1_service_multi_masters }, |
| #endif |
| { NULL, NULL } |
| }; |
| |
| |
| static FT_Module_Interface |
| Get_Interface( FT_Driver driver, |
| const FT_String* t1_interface ) |
| { |
| FT_UNUSED( driver ); |
| |
| return ft_service_list_lookup( t1_services, t1_interface ); |
| } |
| |
| |
| #ifndef T1_CONFIG_OPTION_NO_AFM |
| |
| /*************************************************************************/ |
| /* */ |
| /* <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. */ |
| /* */ |
| static FT_Error |
| Get_Kerning( T1_Face face, |
| FT_UInt left_glyph, |
| FT_UInt right_glyph, |
| FT_Vector* kerning ) |
| { |
| kerning->x = 0; |
| kerning->y = 0; |
| |
| if ( face->afm_data ) |
| T1_Get_Kerning( (AFM_FontInfo)face->afm_data, |
| left_glyph, |
| right_glyph, |
| kerning ); |
| |
| return T1_Err_Ok; |
| } |
| |
| |
| #endif /* T1_CONFIG_OPTION_NO_AFM */ |
| |
| |
| FT_CALLBACK_TABLE_DEF |
| const FT_Driver_ClassRec t1_driver_class = |
| { |
| { |
| FT_MODULE_FONT_DRIVER | |
| FT_MODULE_DRIVER_SCALABLE | |
| FT_MODULE_DRIVER_HAS_HINTER, |
| |
| sizeof( FT_DriverRec ), |
| |
| "type1", |
| 0x10000L, |
| 0x20000L, |
| |
| 0, /* format interface */ |
| |
| (FT_Module_Constructor)T1_Driver_Init, |
| (FT_Module_Destructor) T1_Driver_Done, |
| (FT_Module_Requester) Get_Interface, |
| }, |
| |
| sizeof( T1_FaceRec ), |
| sizeof( T1_SizeRec ), |
| sizeof( T1_GlyphSlotRec ), |
| |
| (FT_Face_InitFunc) T1_Face_Init, |
| (FT_Face_DoneFunc) T1_Face_Done, |
| (FT_Size_InitFunc) T1_Size_Init, |
| (FT_Size_DoneFunc) T1_Size_Done, |
| (FT_Slot_InitFunc) T1_GlyphSlot_Init, |
| (FT_Slot_DoneFunc) T1_GlyphSlot_Done, |
| |
| #ifdef FT_CONFIG_OPTION_OLD_INTERNALS |
| ft_stub_set_char_sizes, |
| ft_stub_set_pixel_sizes, |
| #endif |
| (FT_Slot_LoadFunc) T1_Load_Glyph, |
| |
| #ifdef T1_CONFIG_OPTION_NO_AFM |
| (FT_Face_GetKerningFunc) 0, |
| (FT_Face_AttachFunc) 0, |
| #else |
| (FT_Face_GetKerningFunc) Get_Kerning, |
| (FT_Face_AttachFunc) T1_Read_Metrics, |
| #endif |
| (FT_Face_GetAdvancesFunc) 0, |
| (FT_Size_RequestFunc) T1_Size_Request, |
| (FT_Size_SelectFunc) 0 |
| }; |
| |
| |
| /* END */ |
