/***************************************************************************/ | |
/* */ | |
/* t1driver.c */ | |
/* */ | |
/* Type 1 driver interface (body). */ | |
/* */ | |
/* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007, 2009 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_STRCPYN( buffer, face->type1.glyph_names[glyph_index], buffer_max ); | |
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 T1_Err_Ok; | |
} | |
static FT_Error | |
t1_ps_get_font_extra( FT_Face face, | |
PS_FontExtraRec* afont_extra ) | |
{ | |
*afont_extra = ((T1_Face)face)->type1.font_extra; | |
return T1_Err_Ok; | |
} | |
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 T1_Err_Ok; | |
} | |
static const FT_Service_PsInfoRec t1_service_ps_info = | |
{ | |
(PS_GetFontInfoFunc) t1_ps_get_font_info, | |
(PS_GetFontExtraFunc) t1_ps_get_font_extra, | |
(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) T1_Get_Advances, | |
(FT_Size_RequestFunc) T1_Size_Request, | |
(FT_Size_SelectFunc) 0 | |
}; | |
/* END */ |