static int
gbandjoin_vec( im_object *argv )
{
im_imagevec_object *iv = (im_imagevec_object *) argv[0];
return( im_gbandjoin( iv->vec, argv[1], iv->n ) );
}
int
im_addgnoise( IMAGE *in, IMAGE *out, double sigma ){
#define FUNCTION_NAME "im_addgnoise"
if( im_piocheck( in, out ))
return -1;
{
int i;
IMAGE **temps= IM_ARRAY( out, in-> Bands, IMAGE* );
IMAGE *joined_temps= im_open_local( out, FUNCTION_NAME ": joined_temps", "p" );
if( ! temps || ! joined_temps || im_open_local_array( out, temps, in-> Bands, FUNCTION_NAME ": temps", "p" ))
return -1;
for( i= 0; i < in-> Bands; ++i )
if( im_gaussnoise( temps[i], in-> Xsize, in-> Ysize, 0.0, sigma ))
return -1;
return im_gbandjoin( temps, joined_temps, in-> Bands ) || im_add( in, joined_temps, out );
}
#undef FUNCTION_NAME
}