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* src/bdf/bdflib.c (bdf_load_font): Allocate the _bdf_parse_t 

structure with FT_ALLOC instead of using the stack.
This commit is contained in:
Werner Lemberg 2002-10-02 17:04:58 +00:00
parent 901933beda
commit 7d10cbd3cd
2 changed files with 62 additions and 49 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
2002-10-02 Detlef Würkner <TetiSoft@apg.lahn.de>
* src/bdf/bdflib.c (bdf_load_font): Allocate the _bdf_parse_t
structure with FT_ALLOC instead of using the stack.
2002-09-27 Werner Lemberg <wl@gnu.org>
* src/include/freetype/internal/tttypes.h (num_sbit_strikes,

106
src/bdf/bdflib.c
View File

@ -2202,96 +2202,98 @@
bdf_font_t* *font )
{
unsigned long lineno;
_bdf_parse_t p;
_bdf_parse_t *p;
FT_Memory memory = NULL;
FT_Memory memory = extmemory;
FT_Error error = BDF_Err_Ok;
FT_MEM_ZERO( &p, sizeof ( _bdf_parse_t ) );
if ( FT_ALLOC( p, sizeof ( _bdf_parse_t ) ) )
goto Exit;
p.opts = (bdf_options_t*)( ( opts != 0 ) ? opts : &_bdf_opts );
p.minlb = 32767;
p.memory = extmemory; /* only during font creation */
memory = NULL;
p->opts = (bdf_options_t*)( ( opts != 0 ) ? opts : &_bdf_opts );
p->minlb = 32767;
p->memory = extmemory; /* only during font creation */
error = _bdf_readstream( stream, _bdf_parse_start,
(void *)&p, &lineno );
(void *)p, &lineno );
if ( error )
goto Exit;
if ( p.font != 0 )
if ( p->font != 0 )
{
/* If the font is not proportional, set the font's monowidth */
/* field to the width of the font bounding box. */
memory = p.font->memory;
memory = p->font->memory;
if ( p.font->spacing != BDF_PROPORTIONAL )
p.font->monowidth = p.font->bbx.width;
if ( p->font->spacing != BDF_PROPORTIONAL )
p->font->monowidth = p->font->bbx.width;
/* If the number of glyphs loaded is not that of the original count, */
/* indicate the difference. */
if ( p.cnt != p.font->glyphs_used + p.font->unencoded_used )
if ( p->cnt != p->font->glyphs_used + p->font->unencoded_used )
{
FT_TRACE2(( "bdf_load_font: " ACMSG15, p.cnt,
p.font->glyphs_used + p.font->unencoded_used ));
p.font->modified = 1;
FT_TRACE2(( "bdf_load_font: " ACMSG15, p->cnt,
p->font->glyphs_used + p->font->unencoded_used ));
p->font->modified = 1;
}
/* Once the font has been loaded, adjust the overall font metrics if */
/* necessary. */
if ( p.opts->correct_metrics != 0 &&
( p.font->glyphs_used > 0 || p.font->unencoded_used > 0 ) )
if ( p->opts->correct_metrics != 0 &&
( p->font->glyphs_used > 0 || p->font->unencoded_used > 0 ) )
{
if ( p.maxrb - p.minlb != p.font->bbx.width )
if ( p->maxrb - p->minlb != p->font->bbx.width )
{
FT_TRACE2(( "bdf_load_font: " ACMSG3,
p.font->bbx.width, p.maxrb - p.minlb ));
p.font->bbx.width = (unsigned short)( p.maxrb - p.minlb );
p.font->modified = 1;
p->font->bbx.width, p->maxrb - p->minlb ));
p->font->bbx.width = (unsigned short)( p->maxrb - p->minlb );
p->font->modified = 1;
}
if ( p.font->bbx.x_offset != p.minlb )
if ( p->font->bbx.x_offset != p->minlb )
{
FT_TRACE2(( "bdf_load_font: " ACMSG4,
p.font->bbx.x_offset, p.minlb ));
p.font->bbx.x_offset = p.minlb;
p.font->modified = 1;
p->font->bbx.x_offset, p->minlb ));
p->font->bbx.x_offset = p->minlb;
p->font->modified = 1;
}
if ( p.font->bbx.ascent != p.maxas )
if ( p->font->bbx.ascent != p->maxas )
{
FT_TRACE2(( "bdf_load_font: " ACMSG5,
p.font->bbx.ascent, p.maxas ));
p.font->bbx.ascent = p.maxas;
p.font->modified = 1;
p->font->bbx.ascent, p->maxas ));
p->font->bbx.ascent = p->maxas;
p->font->modified = 1;
}
if ( p.font->bbx.descent != p.maxds )
if ( p->font->bbx.descent != p->maxds )
{
FT_TRACE2(( "bdf_load_font: " ACMSG6,
p.font->bbx.descent, p.maxds ));
p.font->bbx.descent = p.maxds;
p.font->bbx.y_offset = (short)( -p.maxds );
p.font->modified = 1;
p->font->bbx.descent, p->maxds ));
p->font->bbx.descent = p->maxds;
p->font->bbx.y_offset = (short)( -p->maxds );
p->font->modified = 1;
}
if ( p.maxas + p.maxds != p.font->bbx.height )
if ( p->maxas + p->maxds != p->font->bbx.height )
{
FT_TRACE2(( "bdf_load_font: " ACMSG7,
p.font->bbx.height, p.maxas + p.maxds ));
p.font->bbx.height = (unsigned short)( p.maxas + p.maxds );
p->font->bbx.height, p->maxas + p->maxds ));
p->font->bbx.height = (unsigned short)( p->maxas + p->maxds );
}
if ( p.flags & _BDF_SWIDTH_ADJ )
if ( p->flags & _BDF_SWIDTH_ADJ )
FT_TRACE2(( "bdf_load_font: " ACMSG8 ));
}
}
if ( p.flags & _BDF_START )
if ( p->flags & _BDF_START )
{
{
/* The ENDFONT field was never reached or did not exist. */
if ( !( p.flags & _BDF_GLYPHS ) )
if ( !( p->flags & _BDF_GLYPHS ) )
/* Error happened while parsing header. */
FT_ERROR(( "bdf_load_font: " ERRMSG2, lineno ));
else
@ -2302,28 +2304,34 @@
/* Free up the list used during the parsing. */
if ( memory != NULL )
FT_FREE( p.list.field );
FT_FREE( p->list.field );
if ( p.font != 0 )
if ( p->font != 0 )
{
/* Make sure the comments are NULL terminated if they exist. */
memory = p.font->memory;
memory = p->font->memory;
if ( p.font->comments_len > 0 ) {
if ( FT_RENEW_ARRAY( p.font->comments,
p.font->comments_len,
p.font->comments_len + 1 ) )
if ( p->font->comments_len > 0 ) {
if ( FT_RENEW_ARRAY( p->font->comments,
p->font->comments_len,
p->font->comments_len + 1 ) )
goto Exit;
p.font->comments[p.font->comments_len] = 0;
p->font->comments[p->font->comments_len] = 0;
}
}
else if ( error == BDF_Err_Ok )
error = BDF_Err_Invalid_File_Format;
*font = p.font;
*font = p->font;
Exit:
if ( p )
{
memory = extmemory;
FT_FREE( p );
}
return error;
}