/* See also vips_exif_to_s() ... keep in sync.
*/
static void
vips_exif_from_s( ExifData *ed, ExifEntry *entry, const char *value )
{
unsigned long i;
const char *p;
if( entry->format != EXIF_FORMAT_SHORT &&
entry->format != EXIF_FORMAT_SSHORT &&
entry->format != EXIF_FORMAT_LONG &&
entry->format != EXIF_FORMAT_SLONG &&
entry->format != EXIF_FORMAT_RATIONAL &&
entry->format != EXIF_FORMAT_SRATIONAL )
return;
if( entry->components >= 10 )
return;
/* Skip any leading spaces.
*/
p = value;
while( *p == ' ' )
p += 1;
for( i = 0; i < entry->components; i++ ) {
if( entry->format == EXIF_FORMAT_SHORT ||
entry->format == EXIF_FORMAT_SSHORT ||
entry->format == EXIF_FORMAT_LONG ||
entry->format == EXIF_FORMAT_SLONG ) {
int value = atof( p );
vips_exif_set_int( ed, entry, i, &value );
}
else if( entry->format == EXIF_FORMAT_RATIONAL ||
entry->format == EXIF_FORMAT_SRATIONAL )
vips_exif_set_rational( ed, entry, i, (void *) p );
/* Skip to the next set of spaces, then to the beginning of
* the next item.
*/
while( *p && *p != ' ' )
p += 1;
while( *p == ' ' )
p += 1;
if( !*p )
break;
}
}
/* See also vips_exif_to_s() ... keep in sync. Only the numeric types are
* handled here, since they can be updated. For string types, we have to
* destroy and recreate, see above.
*/
static void
vips_exif_from_s( ExifData *ed, ExifEntry *entry, const char *value )
{
unsigned long i;
const char *p;
int v;
if( entry->format == EXIF_FORMAT_SHORT ||
entry->format == EXIF_FORMAT_SSHORT ||
entry->format == EXIF_FORMAT_LONG ||
entry->format == EXIF_FORMAT_SLONG ) {
if( entry->components >= 10 )
return;
p = value;
for( i = 0; i < entry->components; i++ ) {
if( !(p = skip_space( p )) )
break;
v = atof( p );
vips_exif_set_int( ed, entry, i, &v );
p = skip_nonspace( p );
}
}
else if( entry->format == EXIF_FORMAT_RATIONAL ||
entry->format == EXIF_FORMAT_SRATIONAL ) {
if( entry->components >= 10 )
return;
p = value;
for( i = 0; i < entry->components; i++ ) {
if( !(p = skip_space( p )) )
break;
vips_exif_set_rational( ed, entry, i, (void *) p );
p = skip_nonspace( p );
}
}
}
