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* src/cff/cffobjs.c (cff_face_init): Set default upem value in top

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font dict also.
Handle font matrix settings in subfonts.

* src/cff/cffgload.c (cff_slot_load): Use the correct font matrix
for CID-keyed fonts with subfonts.

* docs/formats.txt: Updated.
This commit is contained in:
Werner Lemberg 2005-04-18 07:13:07 +00:00
parent c01c904249
commit b01676b223
4 changed files with 61 additions and 12 deletions
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11
ChangeLog
View File

@ -1,3 +1,14 @@
2005-04-16 Werner Lemberg <wl@gnu.org>
* src/cff/cffobjs.c (cff_face_init): Set default upem value in top
font dict also.
Handle font matrix settings in subfonts.
* src/cff/cffgload.c (cff_slot_load): Use the correct font matrix
for CID-keyed fonts with subfonts.
* docs/formats.txt: Updated.
2005-04-14 Kirill Smelkov <kirr@mns.spb.ru>
* include/freetype/freetype.h (FT_Vector_Transform),

10
docs/formats.txt
View File

@ -39,9 +39,9 @@ reference document and whether it is supported in FreeType 2.
Please send additions and/or corrections to wl@gnu.org or to the
FreeType developer's list at devel@freetype (for subscribers only). If
you can provide a font example for a format which isn't supported yet
please send a mail too.
FreeType developer's list at freetype-devel@nongnu.org (for subscribers
only). If you can provide a font example for a format which isn't
supported yet please send a mail too.
file wrapper font font glyph FreeType reference
@ -65,8 +65,8 @@ MAC SFNT PS CFF --- cff OT spec, 5176.CFF.pdf
MAC SFNT PS CFF CID cff OT spec, 5176.CFF.pdf
--- SFNT PS CFF SYNTHETIC --- OT spec, 5176.CFF.pdf
MAC SFNT PS CFF SYNTHETIC --- OT spec, 5176.CFF.pdf
--- SFNT TT SBIT --- --- XFree86? (bitmaps only;
`head' table)
--- SFNT TT SBIT --- sfnt XFree86 (bitmaps only;
with `head' table)
--- SFNT TT MACSBIT --- sfnt OT spec (for the Mac;
bitmaps only; `bhed' table)
MAC SFNT TT MACSBIT --- sfnt OT spec (for the Mac;

17
src/cff/cffgload.c
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@ -4,7 +4,7 @@
/* */
/* OpenType Glyph Loader (body). */
/* */
/* Copyright 1996-2001, 2002, 2003, 2004 by */
/* Copyright 1996-2001, 2002, 2003, 2004, 2005 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -2466,8 +2466,19 @@
#endif /* FT_CONFIG_OPTION_INCREMENTAL */
font_matrix = cff->top_font.font_dict.font_matrix;
font_offset = cff->top_font.font_dict.font_offset;
if ( cff->num_subfonts >= 1 )
{
FT_Byte fd_index = cff_fd_select_get( &cff->fd_select, glyph_index );
font_matrix = cff->subfonts[fd_index]->font_dict.font_matrix;
font_offset = cff->subfonts[fd_index]->font_dict.font_offset;
}
else
{
font_matrix = cff->top_font.font_dict.font_matrix;
font_offset = cff->top_font.font_dict.font_offset;
}
/* Now, set the metrics -- this is rather simple, as */
/* the left side bearing is the xMin, and the top side */

35
src/cff/cffobjs.c
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@ -478,6 +478,7 @@
CFF_FontRecDict dict;
FT_Memory memory = cffface->memory;
FT_Int32 flags;
FT_UInt i;
if ( FT_NEW( cff ) )
@ -535,10 +536,10 @@
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;
if ( !dict->units_per_em )
dict->units_per_em = 1000;
cffface->units_per_EM = dict->units_per_em;
cffface->underline_position =
(FT_Short)( dict->underline_position >> 16 );
@ -685,6 +686,32 @@
cffface->style_flags = flags;
}
/* handle font matrix settings in subfonts (if any) */
for ( i = cff->num_subfonts; i > 0; i-- )
{
CFF_FontRecDict sub = &cff->subfonts[i - 1]->font_dict;
CFF_FontRecDict top = &cff->top_font.font_dict;
if ( sub->units_per_em )
{
FT_Matrix scale;
scale.xx = scale.yy = (FT_Fixed)FT_DivFix( top->units_per_em,
sub->units_per_em );
scale.xy = scale.yx = 0;
FT_Matrix_Multiply( &scale, &sub->font_matrix );
FT_Vector_Transform( &sub->font_offset, &scale );
}
else
{
sub->font_matrix = top->font_matrix;
sub->font_offset = top->font_offset;
}
}
#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 */