diff options
Diffstat (limited to 'libfreetype/cffobjs.c')
| -rw-r--r-- | libfreetype/cffobjs.c | 575 |
1 files changed, 0 insertions, 575 deletions
diff --git a/libfreetype/cffobjs.c b/libfreetype/cffobjs.c deleted file mode 100644 index 830f4626..00000000 --- a/libfreetype/cffobjs.c +++ /dev/null @@ -1,575 +0,0 @@ -/***************************************************************************/ -/* */ -/* cffobjs.c */ -/* */ -/* OpenType objects manager (body). */ -/* */ -/* Copyright 1996-2001, 2002 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_INTERNAL_POSTSCRIPT_NAMES_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. */ - /* */ - /*************************************************************************/ - - - static PSH_Globals_Funcs - cff_size_get_globals_funcs( CFF_Size size ) - { - CFF_Face face = (CFF_Face)size->face; - CFF_Font font = (CFF_FontRec *)face->extra.data; - PSHinter_Service pshinter = (PSHinter_Service)font->pshinter; - FT_Module module; - - - module = FT_Get_Module( size->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( CFF_Size size ) - { - if ( size->internal ) - { - PSH_Globals_Funcs funcs; - - - funcs = cff_size_get_globals_funcs( size ); - if ( funcs ) - funcs->destroy( (PSH_Globals)size->internal ); - - size->internal = 0; - } - } - - - FT_LOCAL_DEF( FT_Error ) - cff_size_init( CFF_Size size ) - { - FT_Error error = 0; - PSH_Globals_Funcs funcs = cff_size_get_globals_funcs( size ); - - - if ( funcs ) - { - PSH_Globals globals; - CFF_Face face = (CFF_Face)size->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( size->face->memory, &priv, &globals ); - if ( !error ) - size->internal = (FT_Size_Internal)(void*)globals; - } - - return error; - } - - - FT_LOCAL_DEF( FT_Error ) - cff_size_reset( CFF_Size size ) - { - PSH_Globals_Funcs funcs = cff_size_get_globals_funcs( size ); - FT_Error error = 0; - - - if ( funcs ) - error = funcs->set_scale( (PSH_Globals)size->internal, - size->metrics.x_scale, - size->metrics.y_scale, - 0, 0 ); - return error; - } - - - /*************************************************************************/ - /* */ - /* SLOT FUNCTIONS */ - /* */ - /*************************************************************************/ - - FT_LOCAL_DEF( void ) - cff_slot_done( CFF_GlyphSlot slot ) - { - slot->root.internal->glyph_hints = 0; - } - - - FT_LOCAL_DEF( FT_Error ) - cff_slot_init( CFF_GlyphSlot slot ) - { - CFF_Face face = (CFF_Face)slot->root.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->root.face->driver->root.library, - "pshinter" ); - if ( module ) - { - T2_Hints_Funcs funcs; - - - funcs = pshinter->get_t2_funcs( module ); - slot->root.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, - CFF_Face face, - FT_Int face_index, - FT_Int num_params, - FT_Parameter* params ) - { - FT_Error error; - SFNT_Service sfnt; - PSNames_Service psnames; - PSHinter_Service pshinter; - FT_Bool pure_cff = 1; - FT_Bool sfnt_format = 0; - - - sfnt = (SFNT_Service)FT_Get_Module_Interface( - face->root.driver->root.library, "sfnt" ); - if ( !sfnt ) - goto Bad_Format; - - psnames = (PSNames_Service)FT_Get_Module_Interface( - face->root.driver->root.library, "psnames" ); - - pshinter = (PSHinter_Service)FT_Get_Module_Interface( - face->root.driver->root.library, "pshinter" ); - - /* create input stream from resource */ - if ( FT_STREAM_SEEK( 0 ) ) - goto Exit; - - /* check that 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 later 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 by hand */ - 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; - FT_Memory memory = face->root.memory; - FT_Face root; - 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 = psnames; - - /* Complement the root flags with some interesting information. */ - /* Note that this is only necessary for pure CFF and CEF fonts. */ - - root = &face->root; - root->num_glyphs = cff->num_glyphs; - - if ( pure_cff ) - { - CFF_FontRecDict dict = &cff->top_font.font_dict; - - - /* we need the `PSNames' module for pure-CFF and CEF formats */ - if ( !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; - } - - /* Set up num_faces. */ - root->num_faces = cff->num_faces; - - /* compute number of glyphs */ - if ( dict->cid_registry ) - root->num_glyphs = dict->cid_count; - else - root->num_glyphs = cff->charstrings_index.count; - - /* set global bbox, as well as EM size */ - root->bbox.xMin = dict->font_bbox.xMin >> 16; - root->bbox.yMin = dict->font_bbox.yMin >> 16; - root->bbox.xMax = ( dict->font_bbox.xMax + 0xFFFFU ) >> 16; - root->bbox.yMax = ( dict->font_bbox.yMax + 0xFFFFU ) >> 16; - - - root->ascender = (FT_Short)( root->bbox.yMax ); - root->descender = (FT_Short)( root->bbox.yMin ); - root->height = (FT_Short)( - ( ( root->ascender - root->descender ) * 12 ) / 10 ); - - if ( dict->units_per_em ) - root->units_per_EM = dict->units_per_em; - else - root->units_per_EM = 1000; - - /* retrieve font family & style name */ - root->family_name = cff_index_get_name( &cff->name_index, face_index ); - if ( dict->cid_registry ) - root->style_name = cff_strcpy( memory, "Regular" ); /* XXXX */ - else - root->style_name = cff_index_get_sid_string( &cff->string_index, - dict->weight, - psnames ); - - /*******************************************************************/ - /* */ - /* 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 - -#ifndef FT_CONFIG_OPTION_NO_GLYPH_NAMES - flags |= FT_FACE_FLAG_GLYPH_NAMES; -#endif - - root->face_flags = flags; - - /*******************************************************************/ - /* */ - /* Compute style flags. */ - /* */ - flags = 0; - - if ( dict->italic_angle ) - flags |= FT_STYLE_FLAG_ITALIC; - - /* XXX: may not be correct */ - if ( cff->top_font.private_dict.force_bold ) - flags |= FT_STYLE_FLAG_BOLD; - - root->style_flags = flags; - } - - /*******************************************************************/ - /* */ - /* 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) root->num_charmaps; nn++ ) - { - cmap = root->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) */ - } - - /* we didn't find a Unicode charmap, synthetize one */ - cmaprec.face = root; - cmaprec.platform_id = 3; - cmaprec.encoding_id = 1; - cmaprec.encoding = FT_ENCODING_UNICODE; - - nn = (FT_UInt) root->num_charmaps; - - FT_CMap_New( &cff_cmap_unicode_class_rec, NULL, &cmaprec, NULL ); - - /* if no Unicode charmap was previously selected, select this one */ - if ( root->charmap == NULL && nn != (FT_UInt) root->num_charmaps ) - root->charmap = root->charmaps[nn]; - - Skip_Unicode: - if ( encoding->count > 0 ) - { - FT_CMap_Class clazz; - - - cmaprec.face = root; - cmaprec.platform_id = 7; /* Adobe platform id */ - - if ( encoding->offset == 0 ) - { - cmaprec.encoding_id = 0; - cmaprec.encoding = FT_ENCODING_ADOBE_STANDARD; - clazz = &cff_cmap_encoding_class_rec; - } - else if ( encoding->offset == 1 ) - { - cmaprec.encoding_id = 1; - cmaprec.encoding = FT_ENCODING_ADOBE_EXPERT; - clazz = &cff_cmap_encoding_class_rec; - } - else - { - cmaprec.encoding_id = 3; - 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( CFF_Face face ) - { - FT_Memory memory = face->root.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( CFF_Driver driver ) - { - FT_UNUSED( driver ); - - return CFF_Err_Ok; - } - - - FT_LOCAL_DEF( void ) - cff_driver_done( CFF_Driver driver ) - { - FT_UNUSED( driver ); - } - - -/* END */ |