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[bdf]: Font properties are optional. 

* src/bdf/bdflib.c (_bdf_readstream): Use special error code to
indicate a redo operation.
(_bdf_parse_start): Handle `CHARS' keyword here too and pass current
input line to `_bdf_parse_glyph'.
This commit is contained in:
Werner Lemberg 2010-06-24 07:40:49 +02:00
parent 8c2c2556af
commit b21d7bc567
2 changed files with 52 additions and 0 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2010-06-24 Werner Lemberg <wl@gnu.org>
[bdf]: Font properties are optional.
* src/bdf/bdflib.c (_bdf_readstream): Use special error code to
indicate a redo operation.
(_bdf_parse_start): Handle `CHARS' keyword here too and pass current
input line to `_bdf_parse_glyph'.
2010-06-23 Werner Lemberg <wl@gnu.org>
Fix Savannah bug #30220.

43
src/bdf/bdflib.c
View File

@ -721,6 +721,10 @@
{
error = (*cb)( buf + start, end - start, lineno,
(void*)&cb, client_data );
/* Redo if we have encountered CHARS without properties. */
if ( error == -1 )
error = (*cb)( buf + start, end - start, lineno,
(void*)&cb, client_data );
if ( error )
break;
}
@ -2225,6 +2229,45 @@
goto Exit;
}
/* Check for the CHARS field -- font properties are optional */
if ( ft_memcmp( line, "CHARS", 5 ) == 0 )
{
char nbuf[128];
if ( !( p->flags & _BDF_FONT_BBX ) )
{
/* Missing the FONTBOUNDINGBOX field. */
FT_ERROR(( "_bdf_parse_start: " ERRMSG1, lineno, "FONTBOUNDINGBOX" ));
error = BDF_Err_Missing_Fontboundingbox_Field;
goto Exit;
}
/* Add the two standard X11 properties which are required */
/* for compiling fonts. */
p->font->font_ascent = p->font->bbx.ascent;
ft_sprintf( nbuf, "%hd", p->font->bbx.ascent );
error = _bdf_add_property( p->font, (char *)"FONT_ASCENT", nbuf );
if ( error )
goto Exit;
FT_TRACE2(( "_bdf_parse_properties: " ACMSG1, p->font->bbx.ascent ));
p->font->font_descent = p->font->bbx.descent;
ft_sprintf( nbuf, "%hd", p->font->bbx.descent );
error = _bdf_add_property( p->font, (char *)"FONT_DESCENT", nbuf );
if ( error )
goto Exit;
FT_TRACE2(( "_bdf_parse_properties: " ACMSG2, p->font->bbx.descent ));
p->font->modified = 1;
*next = _bdf_parse_glyphs;
/* A special return value. */
error = -1;
goto Exit;
}
error = BDF_Err_Invalid_File_Format;
Exit: