diff options
Diffstat (limited to 'nx-X11/extras/freetype2/src/cff/cffobjs.c')
| -rw-r--r-- | nx-X11/extras/freetype2/src/cff/cffobjs.c | 775 |
1 files changed, 0 insertions, 775 deletions
diff --git a/nx-X11/extras/freetype2/src/cff/cffobjs.c b/nx-X11/extras/freetype2/src/cff/cffobjs.c deleted file mode 100644 index ec4d1e4f5..000000000 --- a/nx-X11/extras/freetype2/src/cff/cffobjs.c +++ /dev/null @@ -1,775 +0,0 @@ -/***************************************************************************/ -/* */ -/* cffobjs.c */ -/* */ -/* OpenType objects manager (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_INTERNAL_DEBUG_H -#include FT_INTERNAL_CALC_H -#include FT_INTERNAL_STREAM_H -#include FT_ERRORS_H -#include FT_TRUETYPE_IDS_H -#include FT_TRUETYPE_TAGS_H -#include FT_INTERNAL_SFNT_H -#include FT_SERVICE_POSTSCRIPT_CMAPS_H -#include FT_INTERNAL_POSTSCRIPT_HINTS_H -#include "cffobjs.h" -#include "cffload.h" -#include "cffcmap.h" -#include "cfferrs.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_cffobjs - - - /*************************************************************************/ - /* */ - /* SIZE FUNCTIONS */ - /* */ - /* Note that we store the global hints in the size's `internal' root */ - /* field. */ - /* */ - /*************************************************************************/ - - -#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS - - static FT_Error - sbit_size_reset( CFF_Size size ) - { - CFF_Face face; - FT_Error error = CFF_Err_Ok; - - FT_ULong strike_index; - FT_Size_Metrics* metrics; - FT_Size_Metrics* sbit_metrics; - SFNT_Service sfnt; - - - metrics = &size->root.metrics; - - face = (CFF_Face)size->root.face; - sfnt = (SFNT_Service)face->sfnt; - - sbit_metrics = &size->strike_metrics; - - error = sfnt->set_sbit_strike( face, - metrics->x_ppem, metrics->y_ppem, - &strike_index ); - - if ( !error ) - { - TT_SBit_Strike strike = face->sbit_strikes + strike_index; - - - sbit_metrics->x_ppem = metrics->x_ppem; - sbit_metrics->y_ppem = metrics->y_ppem; - - sbit_metrics->ascender = strike->hori.ascender << 6; - sbit_metrics->descender = strike->hori.descender << 6; - - /* XXX: Is this correct? */ - sbit_metrics->height = sbit_metrics->ascender - - sbit_metrics->descender; - - /* XXX: Is this correct? */ - sbit_metrics->max_advance = ( strike->hori.min_origin_SB + - strike->hori.max_width + - strike->hori.min_advance_SB ) << 6; - - size->strike_index = (FT_UInt)strike_index; - } - else - { - size->strike_index = 0xFFFFU; - - sbit_metrics->x_ppem = 0; - sbit_metrics->y_ppem = 0; - sbit_metrics->ascender = 0; - sbit_metrics->descender = 0; - sbit_metrics->height = 0; - sbit_metrics->max_advance = 0; - } - - return error; - } - -#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ - - - static PSH_Globals_Funcs - cff_size_get_globals_funcs( CFF_Size size ) - { - CFF_Face face = (CFF_Face)size->root.face; - CFF_Font font = (CFF_FontRec *)face->extra.data; - PSHinter_Service pshinter = (PSHinter_Service)font->pshinter; - FT_Module module; - - - module = FT_Get_Module( size->root.face->driver->root.library, - "pshinter" ); - return ( module && pshinter && pshinter->get_globals_funcs ) - ? pshinter->get_globals_funcs( module ) - : 0; - } - - - FT_LOCAL_DEF( void ) - cff_size_done( FT_Size cffsize ) /* CFF_Size */ - { - CFF_Size size = (CFF_Size)cffsize; - - - if ( cffsize->internal ) - { - PSH_Globals_Funcs funcs; - - - funcs = cff_size_get_globals_funcs( size ); - if ( funcs ) - funcs->destroy( (PSH_Globals)cffsize->internal ); - - cffsize->internal = 0; - } - } - - - FT_LOCAL_DEF( FT_Error ) - cff_size_init( FT_Size cffsize ) /* CFF_Size */ - { - CFF_Size size = (CFF_Size)cffsize; - FT_Error error = CFF_Err_Ok; - PSH_Globals_Funcs funcs = cff_size_get_globals_funcs( size ); - - - if ( funcs ) - { - PSH_Globals globals; - CFF_Face face = (CFF_Face)cffsize->face; - CFF_Font font = (CFF_FontRec *)face->extra.data; - CFF_SubFont subfont = &font->top_font; - - CFF_Private cpriv = &subfont->private_dict; - PS_PrivateRec priv; - - - /* IMPORTANT: The CFF and Type1 private dictionaries have */ - /* slightly different structures; we need to */ - /* synthetize a type1 dictionary on the fly here. */ - - { - FT_UInt n, count; - - - FT_MEM_ZERO( &priv, sizeof ( priv ) ); - - count = priv.num_blue_values = cpriv->num_blue_values; - for ( n = 0; n < count; n++ ) - priv.blue_values[n] = (FT_Short)cpriv->blue_values[n]; - - count = priv.num_other_blues = cpriv->num_other_blues; - for ( n = 0; n < count; n++ ) - priv.other_blues[n] = (FT_Short)cpriv->other_blues[n]; - - count = priv.num_family_blues = cpriv->num_family_blues; - for ( n = 0; n < count; n++ ) - priv.family_blues[n] = (FT_Short)cpriv->family_blues[n]; - - count = priv.num_family_other_blues = cpriv->num_family_other_blues; - for ( n = 0; n < count; n++ ) - priv.family_other_blues[n] = (FT_Short)cpriv->family_other_blues[n]; - - priv.blue_scale = cpriv->blue_scale; - priv.blue_shift = (FT_Int)cpriv->blue_shift; - priv.blue_fuzz = (FT_Int)cpriv->blue_fuzz; - - priv.standard_width[0] = (FT_UShort)cpriv->standard_width; - priv.standard_height[0] = (FT_UShort)cpriv->standard_height; - - count = priv.num_snap_widths = cpriv->num_snap_widths; - for ( n = 0; n < count; n++ ) - priv.snap_widths[n] = (FT_Short)cpriv->snap_widths[n]; - - count = priv.num_snap_heights = cpriv->num_snap_heights; - for ( n = 0; n < count; n++ ) - priv.snap_heights[n] = (FT_Short)cpriv->snap_heights[n]; - - priv.force_bold = cpriv->force_bold; - priv.language_group = cpriv->language_group; - priv.lenIV = cpriv->lenIV; - } - - error = funcs->create( cffsize->face->memory, &priv, &globals ); - if ( !error ) - cffsize->internal = (FT_Size_Internal)(void*)globals; - } - - return error; - } - - - FT_LOCAL_DEF( FT_Error ) - cff_size_reset( FT_Size cffsize, /* CFF_Size */ - FT_UInt char_width, - FT_UInt char_height ) - { - CFF_Size size = (CFF_Size)cffsize; - PSH_Globals_Funcs funcs = cff_size_get_globals_funcs( size ); - FT_Error error = CFF_Err_Ok; - FT_Face face = cffsize->face; - - FT_UNUSED( char_width ); - FT_UNUSED( char_height ); - - - if ( funcs ) - error = funcs->set_scale( (PSH_Globals)cffsize->internal, - cffsize->metrics.x_scale, - cffsize->metrics.y_scale, - 0, 0 ); - -#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS - - if ( face->face_flags & FT_FACE_FLAG_FIXED_SIZES ) - { - error = sbit_size_reset( size ); - - if ( !error && !( face->face_flags & FT_FACE_FLAG_SCALABLE ) ) - cffsize->metrics = size->strike_metrics; - } - -#endif - - if ( face->face_flags & FT_FACE_FLAG_SCALABLE ) - return CFF_Err_Ok; - else - return error; - } - - - FT_LOCAL_DEF( FT_Error ) - cff_point_size_reset( FT_Size cffsize, - FT_F26Dot6 char_width, - FT_F26Dot6 char_height, - FT_UInt horz_resolution, - FT_UInt vert_resolution ) - { - FT_UNUSED( char_width ); - FT_UNUSED( char_height ); - FT_UNUSED( horz_resolution ); - FT_UNUSED( vert_resolution ); - - return cff_size_reset( cffsize, 0, 0 ); - } - - - /*************************************************************************/ - /* */ - /* SLOT FUNCTIONS */ - /* */ - /*************************************************************************/ - - FT_LOCAL_DEF( void ) - cff_slot_done( FT_GlyphSlot slot ) - { - slot->internal->glyph_hints = 0; - } - - - FT_LOCAL_DEF( FT_Error ) - cff_slot_init( FT_GlyphSlot slot ) - { - CFF_Face face = (CFF_Face)slot->face; - CFF_Font font = (CFF_FontRec *)face->extra.data; - PSHinter_Service pshinter = (PSHinter_Service)font->pshinter; - - - if ( pshinter ) - { - FT_Module module; - - - module = FT_Get_Module( slot->face->driver->root.library, - "pshinter" ); - if ( module ) - { - T2_Hints_Funcs funcs; - - - funcs = pshinter->get_t2_funcs( module ); - slot->internal->glyph_hints = (void*)funcs; - } - } - - return 0; - } - - - /*************************************************************************/ - /* */ - /* FACE FUNCTIONS */ - /* */ - /*************************************************************************/ - - static FT_String* - cff_strcpy( FT_Memory memory, - const FT_String* source ) - { - FT_Error error; - FT_String* result = 0; - FT_Int len = (FT_Int)ft_strlen( source ); - - - if ( !FT_ALLOC( result, len + 1 ) ) - { - FT_MEM_COPY( result, source, len ); - result[len] = 0; - } - - FT_UNUSED( error ); - - return result; - } - - - FT_LOCAL_DEF( FT_Error ) - cff_face_init( FT_Stream stream, - FT_Face cffface, /* CFF_Face */ - FT_Int face_index, - FT_Int num_params, - FT_Parameter* params ) - { - CFF_Face face = (CFF_Face)cffface; - FT_Error error; - SFNT_Service sfnt; - FT_Service_PsCMaps psnames; - PSHinter_Service pshinter; - FT_Bool pure_cff = 1; - FT_Bool sfnt_format = 0; - -#if 0 - FT_FACE_FIND_GLOBAL_SERVICE( face, sfnt, SFNT ); - FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_NAMES ); - FT_FACE_FIND_GLOBAL_SERVICE( face, pshinter, POSTSCRIPT_HINTER ); - - if ( !sfnt ) - goto Bad_Format; -#else - sfnt = (SFNT_Service)FT_Get_Module_Interface( - cffface->driver->root.library, "sfnt" ); - if ( !sfnt ) - goto Bad_Format; - - FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS ); - - pshinter = (PSHinter_Service)FT_Get_Module_Interface( - cffface->driver->root.library, "pshinter" ); -#endif - - /* create input stream from resource */ - if ( FT_STREAM_SEEK( 0 ) ) - goto Exit; - - /* check whether we have a valid OpenType file */ - error = sfnt->init_face( stream, face, face_index, num_params, params ); - if ( !error ) - { - if ( face->format_tag != 0x4F54544FL ) /* `OTTO'; OpenType/CFF font */ - { - FT_TRACE2(( "[not a valid OpenType/CFF font]\n" )); - goto Bad_Format; - } - - /* if we are performing a simple font format check, exit immediately */ - if ( face_index < 0 ) - return CFF_Err_Ok; - - sfnt_format = 1; - - /* now, the font can be either an OpenType/CFF font, or an SVG CEF */ - /* font; in the latter case it doesn't have a `head' table */ - error = face->goto_table( face, TTAG_head, stream, 0 ); - if ( !error ) - { - pure_cff = 0; - - /* load font directory */ - error = sfnt->load_face( stream, face, - face_index, num_params, params ); - if ( error ) - goto Exit; - } - else - { - /* load the `cmap' table explicitly */ - error = sfnt->load_charmaps( face, stream ); - if ( error ) - goto Exit; - - /* XXX: we don't load the GPOS table, as OpenType Layout */ - /* support will be added later to a layout library on top of */ - /* FreeType 2 */ - } - - /* now load the CFF part of the file */ - error = face->goto_table( face, TTAG_CFF, stream, 0 ); - if ( error ) - goto Exit; - } - else - { - /* rewind to start of file; we are going to load a pure-CFF font */ - if ( FT_STREAM_SEEK( 0 ) ) - goto Exit; - error = CFF_Err_Ok; - } - - /* now load and parse the CFF table in the file */ - { - CFF_Font cff; - CFF_FontRecDict dict; - FT_Memory memory = cffface->memory; - FT_Int32 flags; - - - if ( FT_NEW( cff ) ) - goto Exit; - - face->extra.data = cff; - error = cff_font_load( stream, face_index, cff ); - if ( error ) - goto Exit; - - cff->pshinter = pshinter; - cff->psnames = (void*)psnames; - - /* Complement the root flags with some interesting information. */ - /* Note that this is only necessary for pure CFF and CEF fonts. */ - - cffface->num_glyphs = cff->num_glyphs; - - dict = &cff->top_font.font_dict; - - /* we need the `PSNames' module for CFF and CEF formats */ - /* which aren't CID-keyed */ - if ( dict->cid_registry == 0xFFFFU && !psnames ) - { - FT_ERROR(( "cff_face_init:" )); - FT_ERROR(( " cannot open CFF & CEF fonts\n" )); - FT_ERROR(( " " )); - FT_ERROR(( " without the `PSNames' module\n" )); - goto Bad_Format; - } - - if ( pure_cff ) - { - char* style_name = NULL; - - - /* Set up num_faces. */ - cffface->num_faces = cff->num_faces; - - /* compute number of glyphs */ - if ( dict->cid_registry != 0xFFFFU ) - cffface->num_glyphs = dict->cid_count; - else - cffface->num_glyphs = cff->charstrings_index.count; - - /* set global bbox, as well as EM size */ - cffface->bbox.xMin = dict->font_bbox.xMin >> 16; - cffface->bbox.yMin = dict->font_bbox.yMin >> 16; - cffface->bbox.xMax = ( dict->font_bbox.xMax + 0xFFFFU ) >> 16; - cffface->bbox.yMax = ( dict->font_bbox.yMax + 0xFFFFU ) >> 16; - - cffface->ascender = (FT_Short)( cffface->bbox.yMax ); - cffface->descender = (FT_Short)( cffface->bbox.yMin ); - cffface->height = (FT_Short)( - ( ( cffface->ascender - cffface->descender ) * 12 ) / 10 ); - - if ( dict->units_per_em ) - cffface->units_per_EM = dict->units_per_em; - else - cffface->units_per_EM = 1000; - - cffface->underline_position = - (FT_Short)( dict->underline_position >> 16 ); - cffface->underline_thickness = - (FT_Short)( dict->underline_thickness >> 16 ); - - /* retrieve font family & style name */ - cffface->family_name = cff_index_get_name( &cff->name_index, - face_index ); - - if ( cffface->family_name ) - { - char* full = cff_index_get_sid_string( &cff->string_index, - dict->full_name, - psnames ); - char* fullp = full; - char* family = cffface->family_name; - - /* We try to extract the style name from the full name. */ - /* We need to ignore spaces and dashes during the search. */ - if ( full ) - { - while ( *fullp ) - { - /* skip common characters at the start of both strings */ - if ( *fullp == *family ) - { - family++; - fullp++; - continue; - } - - /* ignore spaces and dashes in full name during comparison */ - if ( *fullp == ' ' || *fullp == '-' ) - { - fullp++; - continue; - } - - /* ignore spaces and dashes in family name during comparison */ - if ( *family == ' ' || *family == '-' ) - { - family++; - continue; - } - - if ( !*family && *fullp ) - { - /* Rhe full name begins with the same characters as the */ - /* family name, with spaces and dashes removed. In this */ - /* case, the remaining string in `fullp' will be used as */ - /* the style name. */ - style_name = cff_strcpy( memory, fullp ); - } - break; - } - FT_FREE( full ); - } - } - else - { - char *cid_font_name = - cff_index_get_sid_string( &cff->string_index, - dict->cid_font_name, - psnames ); - - - /* do we have a `/FontName' for a CID-keyed font? */ - if ( cid_font_name ) - cffface->family_name = cid_font_name; - } - - if ( style_name ) - cffface->style_name = style_name; - else - /* assume "Regular" style if we don't know better */ - cffface->style_name = cff_strcpy( memory, (char *)"Regular" ); - - /*******************************************************************/ - /* */ - /* Compute face flags. */ - /* */ - flags = FT_FACE_FLAG_SCALABLE | /* scalable outlines */ - FT_FACE_FLAG_HORIZONTAL; /* horizontal data */ - - if ( sfnt_format ) - flags |= FT_FACE_FLAG_SFNT; - - /* fixed width font? */ - if ( dict->is_fixed_pitch ) - flags |= FT_FACE_FLAG_FIXED_WIDTH; - - /* XXX: WE DO NOT SUPPORT KERNING METRICS IN THE GPOS TABLE FOR NOW */ -#if 0 - /* kerning available? */ - if ( face->kern_pairs ) - flags |= FT_FACE_FLAG_KERNING; -#endif - - cffface->face_flags = flags; - - /*******************************************************************/ - /* */ - /* Compute style flags. */ - /* */ - flags = 0; - - if ( dict->italic_angle ) - flags |= FT_STYLE_FLAG_ITALIC; - - { - char *weight = cff_index_get_sid_string( &cff->string_index, - dict->weight, - psnames ); - - - if ( weight ) - if ( !ft_strcmp( weight, "Bold" ) || - !ft_strcmp( weight, "Black" ) ) - flags |= FT_STYLE_FLAG_BOLD; - FT_FREE( weight ); - } - - cffface->style_flags = flags; - } - -#ifndef FT_CONFIG_OPTION_NO_GLYPH_NAMES - /* CID-keyed CFF fonts don't have glyph names -- the SFNT loader */ - /* has unset this flag because of the 3.0 `post' table */ - if ( dict->cid_registry == 0xFFFFU ) - cffface->face_flags |= FT_FACE_FLAG_GLYPH_NAMES; -#endif - - /*******************************************************************/ - /* */ - /* Compute char maps. */ - /* */ - - /* Try to synthetize a Unicode charmap if there is none available */ - /* already. If an OpenType font contains a Unicode "cmap", we */ - /* will use it, whatever be in the CFF part of the file. */ - { - FT_CharMapRec cmaprec; - FT_CharMap cmap; - FT_UInt nn; - CFF_Encoding encoding = &cff->encoding; - - - for ( nn = 0; nn < (FT_UInt)cffface->num_charmaps; nn++ ) - { - cmap = cffface->charmaps[nn]; - - /* Windows Unicode (3,1)? */ - if ( cmap->platform_id == 3 && cmap->encoding_id == 1 ) - goto Skip_Unicode; - - /* Deprecated Unicode platform id? */ - if ( cmap->platform_id == 0 ) - goto Skip_Unicode; /* Standard Unicode (deprecated) */ - } - - /* since CID-keyed fonts don't contain glyph names, we can't */ - /* construct a cmap */ - if ( pure_cff && cff->top_font.font_dict.cid_registry != 0xFFFFU ) - goto Exit; - - /* we didn't find a Unicode charmap -- synthetize one */ - cmaprec.face = cffface; - cmaprec.platform_id = 3; - cmaprec.encoding_id = 1; - cmaprec.encoding = FT_ENCODING_UNICODE; - - nn = (FT_UInt)cffface->num_charmaps; - - FT_CMap_New( &cff_cmap_unicode_class_rec, NULL, &cmaprec, NULL ); - - /* if no Unicode charmap was previously selected, select this one */ - if ( cffface->charmap == NULL && nn != (FT_UInt)cffface->num_charmaps ) - cffface->charmap = cffface->charmaps[nn]; - - Skip_Unicode: - if ( encoding->count > 0 ) - { - FT_CMap_Class clazz; - - - cmaprec.face = cffface; - cmaprec.platform_id = 7; /* Adobe platform id */ - - if ( encoding->offset == 0 ) - { - cmaprec.encoding_id = TT_ADOBE_ID_STANDARD; - cmaprec.encoding = FT_ENCODING_ADOBE_STANDARD; - clazz = &cff_cmap_encoding_class_rec; - } - else if ( encoding->offset == 1 ) - { - cmaprec.encoding_id = TT_ADOBE_ID_EXPERT; - cmaprec.encoding = FT_ENCODING_ADOBE_EXPERT; - clazz = &cff_cmap_encoding_class_rec; - } - else - { - cmaprec.encoding_id = TT_ADOBE_ID_CUSTOM; - cmaprec.encoding = FT_ENCODING_ADOBE_CUSTOM; - clazz = &cff_cmap_encoding_class_rec; - } - - FT_CMap_New( clazz, NULL, &cmaprec, NULL ); - } - } - } - - Exit: - return error; - - Bad_Format: - error = CFF_Err_Unknown_File_Format; - goto Exit; - } - - - FT_LOCAL_DEF( void ) - cff_face_done( FT_Face cffface ) /* CFF_Face */ - { - CFF_Face face = (CFF_Face)cffface; - FT_Memory memory = cffface->memory; - SFNT_Service sfnt = (SFNT_Service)face->sfnt; - - - if ( sfnt ) - sfnt->done_face( face ); - - { - CFF_Font cff = (CFF_Font)face->extra.data; - - - if ( cff ) - { - cff_font_done( cff ); - FT_FREE( face->extra.data ); - } - } - } - - - FT_LOCAL_DEF( FT_Error ) - cff_driver_init( FT_Module module ) - { - FT_UNUSED( module ); - - return CFF_Err_Ok; - } - - - FT_LOCAL_DEF( void ) - cff_driver_done( FT_Module module ) - { - FT_UNUSED( module ); - } - - -/* END */ |