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[cff] Add some more tracing infos. 

* src/cff/cffparse.c (cff_parse_font_matrix, cff_parse_font_bbox,
cff_parse_cid_ros): Add tracing.
This commit is contained in:
Werner Lemberg 2011-07-29 06:15:20 +02:00
parent b03c4a0a3f
commit e7d42366f1
2 changed files with 39 additions and 5 deletions
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13
ChangeLog
View File

@ -1,3 +1,10 @@
2011-07-29 Werner Lemberg <wl@gnu.org>
[cff] Add some more tracing infos.
* src/cff/cffparse.c (cff_parse_font_matrix, cff_parse_font_bbox,
cff_parse_cid_ros): Add tracing.
2011-07-22 Dirk Müller <dmueller@suse.de>
[psaux, type1] Fix null pointer dereferences.
@ -29,6 +36,12 @@
* src/truetype/ttdriver.c (tt_size_request): Fix copying metrics
from TT_Size to FT_Size if scalable font.
See
http://lists.gnu.org/archive/html/freetype-devel/2011-07/msg00049.html
for some comparison images.
2011-07-14 Matthias Drochner <M.Drochner@fz-juelich.de>.
[psaux] Fix potential sign extension problems.

31
src/cff/cffparse.c
View File

@ -4,7 +4,7 @@
/* */
/* CFF token stream parser (body) */
/* */
/* Copyright 1996-2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010 by */
/* Copyright 1996-2004, 2007-2011 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -35,8 +35,6 @@
#define FT_COMPONENT trace_cffparse
FT_LOCAL_DEF( void )
cff_parser_init( CFF_Parser parser,
FT_UInt code,
@ -475,6 +473,12 @@
if ( scaling < 0 || scaling > 9 )
{
/* Return default matrix in case of unlikely values. */
FT_TRACE1(( "cff_parse_font_matrix:"
" strange scaling value for xx element (%d),\n"
" "
" using default matrix\n", scaling ));
matrix->xx = 0x10000L;
matrix->yx = 0;
matrix->yx = 0;
@ -493,6 +497,12 @@
offset->y = cff_parse_fixed_scaled( data, scaling );
*upm = power_tens[scaling];
FT_TRACE4(( " font matrix: [%f %f %f %f]\n",
(double)matrix->xx / *upm / 65536,
(double)matrix->xy / *upm / 65536,
(double)matrix->yx / *upm / 65536,
(double)matrix->yy / *upm / 65536 ));
}
Exit:
@ -518,6 +528,12 @@
bbox->xMax = FT_RoundFix( cff_parse_fixed( data++ ) );
bbox->yMax = FT_RoundFix( cff_parse_fixed( data ) );
error = CFF_Err_Ok;
FT_TRACE4(( " bbox: [%d %d %d %d]\n",
bbox->xMin / 65536,
bbox->yMin / 65536,
bbox->xMax / 65536,
bbox->yMax / 65536 ));
}
return error;
@ -557,8 +573,8 @@
if ( parser->top >= parser->stack + 3 )
{
dict->cid_registry = (FT_UInt)cff_parse_num ( data++ );
dict->cid_ordering = (FT_UInt)cff_parse_num ( data++ );
dict->cid_registry = (FT_UInt)cff_parse_num( data++ );
dict->cid_ordering = (FT_UInt)cff_parse_num( data++ );
if ( **data == 30 )
FT_TRACE1(( "cff_parse_cid_ros: real supplement is rounded\n" ));
dict->cid_supplement = cff_parse_num( data );
@ -566,6 +582,11 @@
FT_TRACE1(( "cff_parse_cid_ros: negative supplement %d is found\n",
dict->cid_supplement ));
error = CFF_Err_Ok;
FT_TRACE4(( " ROS: registry sid %d, ordering sid %d, supplement %d\n",
dict->cid_registry,
dict->cid_ordering,
dict->cid_supplement ));
}
return error;