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freetype2
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[truetype] Fix last `truetype' commit. 

* src/truetype/ttgload.c (tt_get_metrics): Preserve stream position.
Return error value.
(load_truetype_glyph): Updated.
This commit is contained in:
Werner Lemberg 2013-11-12 08:55:26 +01:00
parent 7833328b90
commit ea5c781afa
2 changed files with 27 additions and 3 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2013-11-12 Werner Lemberg <wl@gnu.org>
[truetype] Fix last `truetype' commit.
* src/truetype/ttgload.c (tt_get_metrics): Preserve stream position.
Return error value.
(load_truetype_glyph): Updated.
2013-11-10 Werner Lemberg <wl@gnu.org>
* docs/CMAKE: New dummy file.

22
src/truetype/ttgload.c
View File

@ -114,7 +114,7 @@
}
static void
static FT_Error
tt_get_metrics( TT_Loader loader,
FT_UInt glyph_index )
{
@ -123,9 +123,16 @@
TT_Driver driver = (TT_Driver)FT_FACE_DRIVER( face );
#endif
FT_Error error;
FT_Stream stream = loader->stream;
FT_Short left_bearing = 0, top_bearing = 0;
FT_UShort advance_width = 0, advance_height = 0;
/* we must preserve the stream position */
/* (which gets altered by the metrics functions) */
FT_ULong pos = FT_STREAM_POS();
TT_Get_HMetrics( face, glyph_index,
&left_bearing,
@ -135,6 +142,9 @@
&top_bearing,
&advance_height );
if ( FT_STREAM_SEEK( pos ) )
return error;
loader->left_bearing = left_bearing;
loader->advance = advance_width;
loader->top_bearing = top_bearing;
@ -157,6 +167,8 @@
loader->linear_def = 1;
loader->linear = advance_width;
}
return FT_Err_Ok;
}
@ -1452,7 +1464,9 @@
/* the metrics must be computed after loading the glyph header */
/* since we need the glyph's `yMax' value in case the vertical */
/* metrics must be emulated */
tt_get_metrics( loader, glyph_index );
error = tt_get_metrics( loader, glyph_index );
if ( error )
goto Exit;
if ( header_only )
goto Exit;
@ -1465,7 +1479,9 @@
loader->bbox.yMin = 0;
loader->bbox.yMax = 0;
tt_get_metrics( loader, glyph_index );
error = tt_get_metrics( loader, glyph_index );
if ( error )
goto Exit;
if ( header_only )
goto Exit;