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* src/cff/cffdrivr.c (cff_get_glyph_name): Improve error message. 

(cff_get_name_index): Return if no PSNames service is available.
(cff_ps_has_glyph_names): Handle CID-keyed fonts correctly.
* src/cff/cfftypes.h (CFF_CharsetRec): New field `cids', used for
CID-keyed fonts.  This is the inverse mapping of `sids'.
* src/cff/cffload.c (cff_charset_load): New argument `invert'.
Initialize charset->cids if `invert' is set.
(cff_font_load): In call to cff_charset_load, set `invert' to true
for CID-keyed fonts.
* src/cff/cffgload.c (cff_slot_load): Handle glyph index as CID
and map it to the real glyph index.

* docs/CHANGES: Updated.
This commit is contained in:
Werner Lemberg 2003-12-12 15:38:39 +00:00
parent 6c98cc3e7c
commit b36d4a53e9
11 changed files with 80 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
ChangeLog
View File

@ -1,3 +1,19 @@
2003-12-12 Werner Lemberg <wl@gnu.org>
* src/cff/cffdrivr.c (cff_get_glyph_name): Improve error message.
(cff_get_name_index): Return if no PSNames service is available.
(cff_ps_has_glyph_names): Handle CID-keyed fonts correctly.
* src/cff/cfftypes.h (CFF_CharsetRec): New field `cids', used for
CID-keyed fonts. This is the inverse mapping of `sids'.
* src/cff/cffload.c (cff_charset_load): New argument `invert'.
Initialize charset->cids if `invert' is set.
(cff_font_load): In call to cff_charset_load, set `invert' to true
for CID-keyed fonts.
* src/cff/cffgload.c (cff_slot_load): Handle glyph index as CID
and map it to the real glyph index.
* docs/CHANGES: Updated.
2003-12-11 Werner Lemberg <wl@gnu.org>
* src/cff/cffobjs.c (cff_face_init): Don't set

4
docs/CHANGES
View File

@ -10,6 +10,10 @@ LATEST CHANGES BETWEEN 2.1.8 and 2.1.7
rounded, making them virtually unusable if not loaded with
FT_LOAD_LINEAR_DESIGN.
- Indexing CID-keyed CFF fonts is now working: The glyph index is
correctly treated as a CID, similar to FreeType's CID driver
module. Note that CID CMaps support is still missing.
II. IMPORTANT CHANGES

8
include/freetype/internal/ftgloadr.h
View File

@ -110,15 +110,15 @@ FT_BEGIN_HEADER
FT_BASE( void )
FT_GlyphLoader_Rewind( FT_GlyphLoader loader );
/* check that there is enough room to add 'n_points' and 'n_contours' */
/* to the glyph loader */
/* check that there is enough space to add `n_points' and `n_contours' */
/* to the glyph loader */
FT_BASE( FT_Error )
FT_GlyphLoader_CheckPoints( FT_GlyphLoader loader,
FT_UInt n_points,
FT_UInt n_contours );
/* check that there is enough room to add 'n_subs' sub-glyphs to */
/* a glyph loader */
/* check that there is enough space to add `n_subs' sub-glyphs to */
/* a glyph loader */
FT_BASE( FT_Error )
FT_GlyphLoader_CheckSubGlyphs( FT_GlyphLoader loader,
FT_UInt n_subs );

8
src/cff/cffdrivr.c
View File

@ -236,7 +236,7 @@
if ( !psnames )
{
FT_ERROR(( "cff_get_glyph_name:" ));
FT_ERROR(( " cannot open CFF & CEF fonts\n" ));
FT_ERROR(( " cannot get glyph name from CFF & CEF fonts\n" ));
FT_ERROR(( " " ));
FT_ERROR(( " without the `PSNames' module\n" ));
error = CFF_Err_Unknown_File_Format;
@ -287,6 +287,9 @@
charset = &cff->charset;
FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS );
if ( !psnames )
return 0;
for ( i = 0; i < cff->num_glyphs; i++ )
{
sid = charset->sids[i];
@ -324,8 +327,7 @@
static FT_Int
cff_ps_has_glyph_names( FT_Face face )
{
FT_UNUSED( face );
return 1;
return face->face_flags & FT_FACE_FLAG_GLYPH_NAMES;
}

9
src/cff/cffgload.c
View File

@ -398,7 +398,7 @@
}
/* check that there is enough room for `count' more points */
/* check that there is enough space for `count' more points */
static FT_Error
check_points( CFF_Builder* builder,
FT_Int count )
@ -451,7 +451,7 @@
}
/* check room for a new contour, then add it */
/* check space for a new contour, then add it */
static FT_Error
cff_builder_add_contour( CFF_Builder* builder )
{
@ -2315,6 +2315,11 @@
FT_ULong charstring_len;
/* in a CID-keyed font, consider `glyph_index' as a CID and map */
/* it immediately to the real glyph_index */
if ( cff->top_font.font_dict.cid_registry != 0xFFFFU )
glyph_index = cff->charset.cids[glyph_index];
cff_decoder_init( &decoder, face, size, glyph, hinting,
FT_LOAD_TARGET_MODE(load_flags) );

45
src/cff/cffload.c
View File

@ -1511,7 +1511,8 @@
FT_UInt num_glyphs,
FT_Stream stream,
FT_ULong base_offset,
FT_ULong offset )
FT_ULong offset,
FT_Bool invert )
{
FT_Memory memory = stream->memory;
FT_Error error = 0;
@ -1611,8 +1612,8 @@
case 0:
if ( num_glyphs > 229 )
{
FT_ERROR(("cff_charset_load: implicit charset larger than\n"
"predefined charset (Adobe ISO-Latin)!\n" ));
FT_ERROR(( "cff_charset_load: implicit charset larger than\n"
"predefined charset (Adobe ISO-Latin)!\n" ));
error = CFF_Err_Invalid_File_Format;
goto Exit;
}
@ -1671,17 +1672,36 @@
}
}
Exit:
/* we have to invert the `sids' array for CID-keyed fonts */
if ( invert )
{
FT_UInt i;
FT_UShort max_cid = 0;
for ( i = 0; i < num_glyphs; i++ )
if ( charset->sids[i] > max_cid )
max_cid = charset->sids[i];
max_cid++;
if ( FT_NEW_ARRAY( charset->cids, max_cid ) )
goto Exit;
FT_MEM_ZERO( charset->cids, sizeof ( FT_UShort ) * max_cid );
for ( i = 0; i < num_glyphs; i++ )
charset->cids[charset->sids[i]] = i;
}
Exit:
/* Clean up if there was an error. */
if ( error )
if ( charset->sids )
{
FT_FREE( charset->sids );
charset->format = 0;
charset->offset = 0;
charset->sids = 0;
}
{
FT_FREE( charset->sids );
FT_FREE( charset->cids );
charset->format = 0;
charset->offset = 0;
charset->sids = 0;
}
return error;
}
@ -2225,7 +2245,8 @@
if ( font->num_glyphs > 0 )
{
error = cff_charset_load( &font->charset, font->num_glyphs, stream,
base_offset, dict->charset_offset );
base_offset, dict->charset_offset,
dict->cid_registry != 0xFFFFU );
if ( error )
goto Exit;

6
src/cff/cffobjs.c
View File

@ -281,7 +281,7 @@
if ( FT_STREAM_SEEK( 0 ) )
goto Exit;
/* check that we have a valid OpenType file */
/* check whether we have a valid OpenType file */
error = sfnt->init_face( stream, face, face_index, num_params, params );
if ( !error )
{
@ -312,7 +312,7 @@
}
else
{
/* load the `cmap' table by hand */
/* load the `cmap' table explicitly */
error = sfnt->load_charmaps( face, stream );
if ( error )
goto Exit;
@ -322,7 +322,7 @@
/* FreeType 2 */
}
/* now, load the CFF part of the file */
/* now load the CFF part of the file */
error = face->goto_table( face, TTAG_CFF, stream, 0 );
if ( error )
goto Exit;

3
src/cff/cfftypes.h
View File

@ -82,7 +82,8 @@ FT_BEGIN_HEADER
FT_ULong offset;
FT_UShort* sids;
FT_UShort* cids; /* the inverse mapping of `sids'; only needed */
/* for CID-keyed fonts */
} CFF_CharsetRec, *CFF_Charset;

4
src/pfr/pfrgload.c
View File

@ -4,7 +4,7 @@
/* */
/* FreeType PFR glyph loader (body). */
/* */
/* Copyright 2002 by */
/* Copyright 2002, 2003 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -198,7 +198,7 @@
/* indicate that a new contour has started */
glyph->path_begun = 1;
/* check that there is room for a new contour and a new point */
/* check that there is space for a new contour and a new point */
error = FT_GlyphLoader_CheckPoints( loader, 1, 1 );
if ( !error )
/* add new start point */

2
src/psaux/psobjs.c
View File

@ -1670,7 +1670,7 @@
}
/* check room for a new contour, then add it */
/* check space for a new contour, then add it */
FT_LOCAL_DEF( FT_Error )
t1_builder_add_contour( T1_Builder builder )
{

6
src/type1/t1load.c
View File

@ -1191,9 +1191,9 @@
if ( parser->root.error )
return;
/* initialize tables, leaving room for addition of .notdef, */
/* if necessary, and a few other glyphs to handle buggy */
/* fonts which have more glyphs than specified. */
/* initialize tables, leaving space for addition of .notdef, */
/* if necessary, and a few other glyphs to handle buggy */
/* fonts which have more glyphs than specified. */
error = psaux->ps_table_funcs->init(
code_table, loader->num_glyphs + 1 + TABLE_EXTEND, memory );