static void *
vips_reducev_start( VipsImage *out, void *a, void *b )
{
VipsImage *in = (VipsImage *) a;
VipsReducev *reducev = (VipsReducev *) b;
int sz = VIPS_IMAGE_N_ELEMENTS( in );
Sequence *seq;
if( !(seq = VIPS_NEW( out, Sequence )) )
return( NULL );
/* Init!
*/
seq->reducev = reducev;
seq->ir = NULL;
seq->t1 = NULL;
seq->t2 = NULL;
/* Attach region and arrays.
*/
seq->ir = vips_region_new( in );
seq->t1 = VIPS_ARRAY( NULL, sz, signed short );
seq->t2 = VIPS_ARRAY( NULL, sz, signed short );
if( !seq->ir ||
!seq->t1 ||
!seq->t2 ) {
vips_reducev_stop( seq, NULL, NULL );
return( NULL );
}
return( seq );
}
static int
vips2csv( VipsImage *in, FILE *fp, const char *sep )
{
int w = VIPS_IMAGE_N_ELEMENTS( in );
int es = VIPS_IMAGE_SIZEOF_ELEMENT( in );
int x, y;
VipsPel *p;
p = in->data;
for( y = 0; y < in->Ysize; y++ ) {
for( x = 0; x < w; x++ ) {
if( x > 0 )
fprintf( fp, "%s", sep );
switch( in->BandFmt ) {
case VIPS_FORMAT_UCHAR:
PRINT_INT( unsigned char );
break;
case VIPS_FORMAT_CHAR:
PRINT_INT( char );
break;
case VIPS_FORMAT_USHORT:
PRINT_INT( unsigned short );
break;
case VIPS_FORMAT_SHORT:
PRINT_INT( short );
break;
case VIPS_FORMAT_UINT:
PRINT_INT( unsigned int );
break;
case VIPS_FORMAT_INT:
PRINT_INT( int );
break;
case VIPS_FORMAT_FLOAT:
PRINT_FLOAT( float );
break;
case VIPS_FORMAT_DOUBLE:
PRINT_FLOAT( double );
break;
case VIPS_FORMAT_COMPLEX:
PRINT_COMPLEX( float );
break;
case VIPS_FORMAT_DPCOMPLEX:
PRINT_COMPLEX( double );
break;
default:
g_assert( 0 );
}
p += es;
}
fprintf( fp, "\n" );
}
return( 0 );
}
