#include "filter_greyscale.h"
#include "filter_luma.h"
#include "filter_mirror.h"
+#include "filter_mono.h"
#include "filter_obscure.h"
#include "filter_rescale.h"
#include "filter_resize.h"
return filter_luma_init( arg );
if ( !strcmp( id, "mirror" ) )
return filter_mirror_init( arg );
+ if ( !strcmp( id, "mono" ) )
+ return filter_mono_init( arg );
if ( !strcmp( id, "obscure" ) )
return filter_obscure_init( arg );
if ( !strcmp( id, "region" ) )