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[sbit] Minor fixes. 

* src/sfnt/ttsbit.c (tt_face_load_sbit) [TT_SBIT_TABLE_TYPE_SBIX]:
Accept overlay format also, but emit warning message in that case.
(tt_sbit_decoder_load_metrics): Add missing newline to error
message.
(tt_sbit_load_sbix_image): Add `rgbl' graphic type (as used on iOS
7.1) to the list of unsupported formats.
This commit is contained in:
Werner Lemberg 2014-10-20 08:35:50 +02:00
parent 118e651b0b
commit cc7bb80bde
3 changed files with 27 additions and 3 deletions
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11
ChangeLog
View File

@ -1,3 +1,14 @@
2014-10-20 Werner Lemberg <wl@gnu.org>
[sbit] Minor fixes.
* src/sfnt/ttsbit.c (tt_face_load_sbit) [TT_SBIT_TABLE_TYPE_SBIX]:
Accept overlay format also, but emit warning message in that case.
(tt_sbit_decoder_load_metrics): Add missing newline to error
message.
(tt_sbit_load_sbix_image): Add `rgbl' graphic type (as used on iOS
7.1) to the list of unsupported formats.
2014-10-19 Alexei Podtelezhnikov <apodtele@gmail.com>
[truetype] Clean up bytecode rounding.

1
src/sfnt/sfobjs.c
View File

@ -1016,7 +1016,6 @@
if ( is_apple_sbix )
has_outline = FALSE;
/* if this font doesn't contain outlines, we try to load */
/* a `bhed' table */
if ( !has_outline && sfnt->load_bhed )

18
src/sfnt/ttsbit.c
View File

@ -150,12 +150,25 @@
error = FT_THROW( Unknown_File_Format );
goto Exit;
}
if ( flags != 0x0001 || num_strikes >= 0x10000UL )
/* Bit 0 must always be `1'. */
/* Bit 1 controls the overlay of bitmaps with outlines. */
/* All other bits should be zero. */
if ( !( flags == 1 || flags == 3 ) ||
num_strikes >= 0x10000UL )
{
error = FT_THROW( Invalid_File_Format );
goto Exit;
}
/* we currently don't support bit 1; however, it is better to */
/* draw at least something... */
if ( flags == 3 )
FT_TRACE1(( "tt_face_load_sbit_strikes:"
" sbix overlay not supported yet\n"
" "
" expect bad rendering results\n" ));
/*
* Count the number of strikes available in the table. We are a bit
* paranoid there and don't trust the data.
@ -518,7 +531,7 @@
return FT_Err_Ok;
Fail:
FT_TRACE1(( "tt_sbit_decoder_load_metrics: broken table" ));
FT_TRACE1(( "tt_sbit_decoder_load_metrics: broken table\n" ));
return FT_THROW( Invalid_Argument );
}
@ -1342,6 +1355,7 @@
case FT_MAKE_TAG( 'j', 'p', 'g', ' ' ):
case FT_MAKE_TAG( 't', 'i', 'f', 'f' ):
case FT_MAKE_TAG( 'r', 'g', 'b', 'l' ): /* used on iOS 7.1 */
error = FT_THROW( Unknown_File_Format );
break;