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make a baseclass for the new create thing

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This commit is contained in:
John Cupitt 2013-06-14 10:34:00 +01:00
parent 038015a971
commit dad036afbf
7 changed files with 311 additions and 335 deletions
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3
libvips/create/Makefile.am
View File

@ -2,6 +2,9 @@ noinst_LTLIBRARIES = libcreate.la
libcreate_la_SOURCES = \
create.c \
create.h \
point.c \
point.h \
eye.c \
grey.c \
xyz.c \

101
libvips/create/eye.c
View File

@ -59,82 +59,28 @@
#include <vips/vips.h>
#include "create.h"
#include "point.h"
typedef struct _VipsEye {
VipsCreate parent_instance;
int width;
int height;
VipsPoint parent_instance;
double factor;
gboolean uchar;
} VipsEye;
typedef VipsCreateClass VipsEyeClass;
typedef VipsPointClass VipsEyeClass;
G_DEFINE_TYPE( VipsEye, vips_eye, VIPS_TYPE_CREATE );
G_DEFINE_TYPE( VipsEye, vips_eye, VIPS_TYPE_POINT );
static int
vips_eye_gen( VipsRegion *or, void *seq, void *a, void *b,
gboolean *stop )
static float
vips_eye_point( VipsPoint *point, int x, int y )
{
VipsEye *eye = (VipsEye *) a;
VipsRect *r = &or->valid;
int le = r->left;
int to = r->top;
int ri = VIPS_RECT_RIGHT( r );
int bo = VIPS_RECT_BOTTOM( r );
VipsEye *eye = (VipsEye *) point;
double c = eye->factor * VIPS_PI / (2 * (eye->width - 1));
double h = ((eye->height - 1) * (eye->height - 1));
double c = eye->factor * VIPS_PI / (2 * (point->width - 1));
double h = ((point->height - 1) * (point->height - 1));
int x, y;
for( y = to; y < bo; y++ ) {
float *q = (float *) VIPS_REGION_ADDR( or, le, y );
for( x = le; x < ri; x++ )
*q++ = y * y * cos( c * x * x ) / h;
}
return( 0 );
}
static int
vips_eye_build( VipsObject *object )
{
VipsCreate *create = VIPS_CREATE( object );
VipsEye *eye = (VipsEye *) object;
VipsImage **t = (VipsImage **) vips_object_local_array( object, 7 );
VipsImage *in;
if( VIPS_OBJECT_CLASS( vips_eye_parent_class )->build( object ) )
return( -1 );
t[0] = vips_image_new();
vips_image_init_fields( t[0],
eye->width, eye->height, 1,
VIPS_FORMAT_FLOAT, VIPS_CODING_NONE, VIPS_INTERPRETATION_B_W,
1.0, 1.0 );
vips_demand_hint( t[0],
VIPS_DEMAND_STYLE_ANY, NULL );
if( vips_image_generate( t[0],
NULL, vips_eye_gen, NULL, eye, NULL ) )
return( -1 );
in = t[0];
if( eye->uchar ) {
if( vips_linear1( in, &t[1], 127.5, 127.5, NULL ) ||
vips_cast( t[1], &t[2], VIPS_FORMAT_UCHAR, NULL ) )
return( -1 );
in = t[2];
}
if( vips_image_write( in, create->out ) )
return( -1 );
return( 0 );
return( y * y * cos( c * x * x ) / h );
}
static void
@ -142,27 +88,16 @@ vips_eye_class_init( VipsEyeClass *class )
{
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
VipsObjectClass *vobject_class = VIPS_OBJECT_CLASS( class );
VipsPointClass *point_class = VIPS_POINT_CLASS( class );
gobject_class->set_property = vips_object_set_property;
gobject_class->get_property = vips_object_get_property;
vobject_class->nickname = "eye";
vobject_class->description = _( "make a eye image" );
vobject_class->build = vips_eye_build;
vobject_class->description =
_( "make an image showing the eye's spatial response" );
VIPS_ARG_INT( class, "width", 4,
_( "Width" ),
_( "Image width in pixels" ),
VIPS_ARGUMENT_REQUIRED_INPUT,
G_STRUCT_OFFSET( VipsEye, width ),
1, 1000000, 1 );
VIPS_ARG_INT( class, "height", 5,
_( "Height" ),
_( "Image height in pixels" ),
VIPS_ARGUMENT_REQUIRED_INPUT,
G_STRUCT_OFFSET( VipsEye, height ),
1, 1000000, 1 );
point_class->point = vips_eye_point;
VIPS_ARG_DOUBLE( class, "factor", 6,
_( "Factor" ),
@ -170,14 +105,6 @@ vips_eye_class_init( VipsEyeClass *class )
VIPS_ARGUMENT_OPTIONAL_INPUT,
G_STRUCT_OFFSET( VipsEye, factor ),
0.0, 1.0, 0.5 );
VIPS_ARG_BOOL( class, "uchar", 7,
_( "Uchar" ),
_( "Output an unsigned char image" ),
VIPS_ARGUMENT_OPTIONAL_INPUT,
G_STRUCT_OFFSET( VipsEye, uchar ),
FALSE );
}
static void

79
libvips/create/grey.c
View File

@ -66,90 +66,29 @@
#include <vips/vips.h>
#include "create.h"
#include "point.h"
typedef struct _VipsGrey {
VipsCreate parent_instance;
typedef VipsPoint VipsGrey;
typedef VipsPointClass VipsGreyClass;
int width;
int height;
G_DEFINE_TYPE( VipsGrey, vips_grey, VIPS_TYPE_POINT );
gboolean uchar;
} VipsGrey;
typedef VipsCreateClass VipsGreyClass;
G_DEFINE_TYPE( VipsGrey, vips_grey, VIPS_TYPE_CREATE );
static int
vips_grey_build( VipsObject *object )
static float
vips_grey_point( VipsPoint *point, int x, int y )
{
VipsCreate *create = VIPS_CREATE( object );
VipsGrey *grey = (VipsGrey *) object;
VipsImage **t = (VipsImage **) vips_object_local_array( object, 7 );
VipsImage *in;
if( VIPS_OBJECT_CLASS( vips_grey_parent_class )->build( object ) )
return( -1 );
if( vips_xyz( &t[0], grey->width, grey->height, NULL ) ||
vips_extract_band( t[0], &t[1], 0, NULL ) )
return( -1 );
if( grey->uchar ) {
if( vips_linear1( t[1], &t[2],
255.0 / (grey->width - 1), 0.0, NULL ) ||
vips_cast( t[2], &t[3], VIPS_FORMAT_UCHAR, NULL ) )
return( -1 );
in = t[3];
}
else {
if( vips_linear1( t[1], &t[2],
1.0 / (grey->width - 1), 0, NULL ) )
return( -1 );
in = t[2];
}
if( vips_image_write( in, create->out ) )
return( -1 );
return( 0 );
return( (double) x / (point->width - 1) );
}
static void
vips_grey_class_init( VipsGreyClass *class )
{
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
VipsObjectClass *vobject_class = VIPS_OBJECT_CLASS( class );
gobject_class->set_property = vips_object_set_property;
gobject_class->get_property = vips_object_get_property;
VipsPointClass *point_class = VIPS_POINT_CLASS( class );
vobject_class->nickname = "grey";
vobject_class->description = _( "make a grey ramp image" );
vobject_class->build = vips_grey_build;
VIPS_ARG_INT( class, "width", 4,
_( "Width" ),
_( "Image width in pixels" ),
VIPS_ARGUMENT_REQUIRED_INPUT,
G_STRUCT_OFFSET( VipsGrey, width ),
1, 1000000, 1 );
VIPS_ARG_INT( class, "height", 5,
_( "Height" ),
_( "Image height in pixels" ),
VIPS_ARGUMENT_REQUIRED_INPUT,
G_STRUCT_OFFSET( VipsGrey, height ),
1, 1000000, 1 );
VIPS_ARG_BOOL( class, "uchar", 7,
_( "Uchar" ),
_( "Output an unsigned char image" ),
VIPS_ARGUMENT_OPTIONAL_INPUT,
G_STRUCT_OFFSET( VipsGrey, uchar ),
FALSE );
point_class->point = vips_grey_point;
}
static void

166
libvips/create/point.c Normal file
View File

@ -0,0 +1,166 @@
/* make a test pattern to show the point's frequency response
*
* Copyright: 1990, 1991, N.Dessipris.
*
* Author N. Dessipris
* Written on 30/05/1990
* Updated on: 27/01/1991, 07/03/1991,
* 22/7/93 JC
* - im_outcheck() added
* 30/8/95 JC
* - modernized
* 1/2/11
* - gtk-doc
* 13/6/13
* - redo as a class
*/
/*
This file is part of VIPS.
VIPS is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
/*
#define VIPS_DEBUG
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /*HAVE_CONFIG_H*/
#include <vips/intl.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <vips/vips.h>
#include "create.h"
#include "point.h"
G_DEFINE_ABSTRACT_TYPE( VipsPoint, vips_point, VIPS_TYPE_CREATE );
static int
vips_point_gen( VipsRegion *or, void *seq, void *a, void *b,
gboolean *stop )
{
VipsPoint *point = (VipsPoint *) a;
VipsPointClass *class = VIPS_POINT_GET_CLASS( point );
VipsRect *r = &or->valid;
int le = r->left;
int to = r->top;
int ri = VIPS_RECT_RIGHT( r );
int bo = VIPS_RECT_BOTTOM( r );
int x, y;
for( y = to; y < bo; y++ ) {
float *q = (float *) VIPS_REGION_ADDR( or, le, y );
for( x = le; x < ri; x++ )
*q++ = class->point( point, x, y );
}
return( 0 );
}
static int
vips_point_build( VipsObject *object )
{
VipsCreate *create = VIPS_CREATE( object );
VipsPoint *point = (VipsPoint *) object;
VipsImage **t = (VipsImage **) vips_object_local_array( object, 3 );
VipsImage *in;
if( VIPS_OBJECT_CLASS( vips_point_parent_class )->build( object ) )
return( -1 );
t[0] = vips_image_new();
vips_image_init_fields( t[0],
point->width, point->height, 1,
VIPS_FORMAT_FLOAT, VIPS_CODING_NONE, VIPS_INTERPRETATION_B_W,
1.0, 1.0 );
vips_demand_hint( t[0],
VIPS_DEMAND_STYLE_ANY, NULL );
if( vips_image_generate( t[0],
NULL, vips_point_gen, NULL, point, NULL ) )
return( -1 );
in = t[0];
if( point->uchar ) {
if( vips_linear1( in, &t[1], 127.5, 127.5, NULL ) ||
vips_cast( t[1], &t[2], VIPS_FORMAT_UCHAR, NULL ) )
return( -1 );
in = t[2];
}
if( vips_image_write( in, create->out ) )
return( -1 );
return( 0 );
}
static void
vips_point_class_init( VipsPointClass *class )
{
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
VipsObjectClass *vobject_class = VIPS_OBJECT_CLASS( class );
gobject_class->set_property = vips_object_set_property;
gobject_class->get_property = vips_object_get_property;
vobject_class->nickname = "point";
vobject_class->description = _( "make a point image" );
vobject_class->build = vips_point_build;
VIPS_ARG_INT( class, "width", 2,
_( "Width" ),
_( "Image width in pixels" ),
VIPS_ARGUMENT_REQUIRED_INPUT,
G_STRUCT_OFFSET( VipsPoint, width ),
1, 1000000, 1 );
VIPS_ARG_INT( class, "height", 3,
_( "Height" ),
_( "Image height in pixels" ),
VIPS_ARGUMENT_REQUIRED_INPUT,
G_STRUCT_OFFSET( VipsPoint, height ),
1, 1000000, 1 );
VIPS_ARG_BOOL( class, "uchar", 7,
_( "Uchar" ),
_( "Output an unsigned char image" ),
VIPS_ARGUMENT_OPTIONAL_INPUT,
G_STRUCT_OFFSET( VipsPoint, uchar ),
FALSE );
}
static void
vips_point_init( VipsPoint *point )
{
}

80
libvips/create/point.h Normal file
View File

@ -0,0 +1,80 @@
/* base class for point generators
*/
/*
Copyright (C) 1991-2005 The National Gallery
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
/* We don't want to get confused with the point.h in include, put an
* extra _ in there.
*/
#ifndef VIPS__POINT_H
#define VIPS__POINT_H
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
#define VIPS_TYPE_POINT (vips_point_get_type())
#define VIPS_POINT( obj ) \
(G_TYPE_CHECK_INSTANCE_CAST( (obj), \
VIPS_TYPE_POINT, VipsPoint ))
#define VIPS_POINT_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_CAST( (klass), \
VIPS_TYPE_POINT, VipsPointClass))
#define VIPS_IS_POINT( obj ) \
(G_TYPE_CHECK_INSTANCE_TYPE( (obj), VIPS_TYPE_POINT ))
#define VIPS_IS_POINT_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_TYPE( (klass), VIPS_TYPE_POINT ))
#define VIPS_POINT_GET_CLASS( obj ) \
(G_TYPE_INSTANCE_GET_CLASS( (obj), \
VIPS_TYPE_POINT, VipsPointClass ))
typedef struct _VipsPoint {
VipsCreate parent_instance;
int width;
int height;
gboolean uchar;
} VipsPoint;
typedef struct _VipsPointClass {
VipsCreateClass parent_class;
float (*point)( VipsPoint *, int, int );
} VipsPointClass;
GType vips_point_get_type( void );
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*VIPS__POINT_H*/

106
libvips/create/sines.c
View File

@ -58,87 +58,51 @@
#include <vips/vips.h>
#include "create.h"
#include "point.h"
typedef struct _VipsSines {
VipsCreate parent_instance;
int width;
int height;
VipsPoint parent_instance;
double hfreq;
double vfreq;
gboolean uchar;
double c;
double sintheta;
double costheta;
} VipsSines;
typedef VipsCreateClass VipsSinesClass;
typedef VipsPointClass VipsSinesClass;
G_DEFINE_TYPE( VipsSines, vips_sines, VIPS_TYPE_CREATE );
G_DEFINE_TYPE( VipsSines, vips_sines, VIPS_TYPE_POINT );
static int
vips_sines_gen( VipsRegion *or, void *seq, void *a, void *b,
gboolean *stop )
static float
vips_sines_point( VipsPoint *point, int x, int y )
{
VipsSines *sines = (VipsSines *) a;
VipsRect *r = &or->valid;
int le = r->left;
int to = r->top;
int ri = VIPS_RECT_RIGHT( r );
int bo = VIPS_RECT_BOTTOM( r );
VipsSines *sines = (VipsSines *) point;
double theta = sines->hfreq == 0.0 ?
VIPS_PI / 2.0 : atan( sines->vfreq / sines->hfreq );
double costheta = cos( theta );
double sintheta = sin( theta );
double factor = sqrt( sines->hfreq * sines->hfreq +
sines->vfreq * sines->vfreq );
double cons = factor * VIPS_PI * 2.0 / sines->width;
int x, y;
for( y = to; y < bo; y++ ) {
float *q = (float *) VIPS_REGION_ADDR( or, le, y );
double ysintheta = y * sintheta;
for( x = le; x < ri; x++ )
*q++ = cos( cons * (x * costheta - ysintheta) );
}
return( 0 );
return( cos( sines->c * (x * sines->costheta - y * sines->sintheta) ) );
}
static int
vips_sines_build( VipsObject *object )
{
VipsCreate *create = VIPS_CREATE( object );
VipsPoint *point = VIPS_POINT( object );
VipsSines *sines = (VipsSines *) object;
VipsImage **t = (VipsImage **) vips_object_local_array( object, 7 );
VipsImage *in;
double theta;
double factor;
if( VIPS_OBJECT_CLASS( vips_sines_parent_class )->build( object ) )
return( -1 );
t[0] = vips_image_new();
vips_image_init_fields( t[0],
sines->width, sines->height, 1,
VIPS_FORMAT_FLOAT, VIPS_CODING_NONE, VIPS_INTERPRETATION_B_W,
1.0, 1.0 );
vips_demand_hint( t[0],
VIPS_DEMAND_STYLE_ANY, NULL );
if( vips_image_generate( t[0],
NULL, vips_sines_gen, NULL, sines, NULL ) )
return( -1 );
in = t[0];
if( sines->uchar ) {
if( vips_linear1( in, &t[1], 127.5, 127.5, NULL ) ||
vips_cast( t[1], &t[2], VIPS_FORMAT_UCHAR, NULL ) )
return( -1 );
in = t[2];
}
if( vips_image_write( in, create->out ) )
return( -1 );
theta = sines->hfreq == 0.0 ?
VIPS_PI / 2.0 : atan( sines->vfreq / sines->hfreq );
factor = sqrt( sines->hfreq * sines->hfreq +
sines->vfreq * sines->vfreq );
sines->costheta = cos( theta );
sines->sintheta = sin( theta );
sines->c = factor * VIPS_PI * 2.0 / point->width;
return( 0 );
}
@ -148,6 +112,7 @@ vips_sines_class_init( VipsSinesClass *class )
{
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
VipsObjectClass *vobject_class = VIPS_OBJECT_CLASS( class );
VipsPointClass *point_class = VIPS_POINT_CLASS( class );
gobject_class->set_property = vips_object_set_property;
gobject_class->get_property = vips_object_get_property;
@ -156,19 +121,7 @@ vips_sines_class_init( VipsSinesClass *class )
vobject_class->description = _( "make a 2D sine wave" );
vobject_class->build = vips_sines_build;
VIPS_ARG_INT( class, "width", 4,
_( "Width" ),
_( "Image width in pixels" ),
VIPS_ARGUMENT_REQUIRED_INPUT,
G_STRUCT_OFFSET( VipsSines, width ),
1, 1000000, 1 );
VIPS_ARG_INT( class, "height", 5,
_( "Height" ),
_( "Image height in pixels" ),
VIPS_ARGUMENT_REQUIRED_INPUT,
G_STRUCT_OFFSET( VipsSines, height ),
1, 1000000, 1 );
point_class->point = vips_sines_point;
VIPS_ARG_DOUBLE( class, "hfreq", 6,
_( "hfreq" ),
@ -183,14 +136,6 @@ vips_sines_class_init( VipsSinesClass *class )
VIPS_ARGUMENT_OPTIONAL_INPUT,
G_STRUCT_OFFSET( VipsSines, vfreq ),
0.0, 10000.0, 0.5 );
VIPS_ARG_BOOL( class, "uchar", 8,
_( "Uchar" ),
_( "Output an unsigned char image" ),
VIPS_ARGUMENT_OPTIONAL_INPUT,
G_STRUCT_OFFSET( VipsSines, uchar ),
FALSE );
}
static void
@ -200,7 +145,6 @@ vips_sines_init( VipsSines *sines )
sines->vfreq = 0.5;
}
/**
* vips_sines:
* @out: output image

111
libvips/create/zone.c
View File

@ -59,119 +59,37 @@
#include <vips/vips.h>
#include "create.h"
#include "point.h"
typedef struct _VipsZone {
VipsCreate parent_instance;
typedef VipsPoint VipsZone;
typedef VipsPointClass VipsZoneClass;
int width;
int height;
G_DEFINE_TYPE( VipsZone, vips_zone, VIPS_TYPE_POINT );
gboolean uchar;
} VipsZone;
typedef VipsCreateClass VipsZoneClass;
G_DEFINE_TYPE( VipsZone, vips_zone, VIPS_TYPE_CREATE );
static int
vips_zone_gen( VipsRegion *or, void *seq, void *a, void *b,
gboolean *stop )
static float
vips_zone_point( VipsPoint *point, int x, int y )
{
VipsZone *zone = (VipsZone *) a;
VipsRect *r = &or->valid;
int le = r->left;
int to = r->top;
int ri = VIPS_RECT_RIGHT( r );
int bo = VIPS_RECT_BOTTOM( r );
VipsZone *zone = (VipsZone *) point;
int hsize = zone->width / 2;
int hwidth = point->width / 2;
int hheight = point->height / 2;
int h2 = (x - hwidth) * (x - hwidth);
int v2 = (y - hheight) * (y - hheight);
double c = VIPS_PI / zone->width;
int vsize = zone->height / 2;
int x, y;
for( y = to; y < bo; y++ ) {
float *q = (float *) VIPS_REGION_ADDR( or, le, y );
int vp = (y - vsize) * (y - vsize);
for( x = le; x < ri; x++ )
*q++ = cos( c * (vp + ((x - hsize) * (x - hsize))) );
}
return( 0 );
}
static int
vips_zone_build( VipsObject *object )
{
VipsCreate *create = VIPS_CREATE( object );
VipsZone *zone = (VipsZone *) object;
VipsImage **t = (VipsImage **) vips_object_local_array( object, 7 );
VipsImage *in;
if( VIPS_OBJECT_CLASS( vips_zone_parent_class )->build( object ) )
return( -1 );
t[0] = vips_image_new();
vips_image_init_fields( t[0],
zone->width, zone->height, 1,
VIPS_FORMAT_FLOAT, VIPS_CODING_NONE, VIPS_INTERPRETATION_B_W,
1.0, 1.0 );
vips_demand_hint( t[0],
VIPS_DEMAND_STYLE_ANY, NULL );
if( vips_image_generate( t[0],
NULL, vips_zone_gen, NULL, zone, NULL ) )
return( -1 );
in = t[0];
if( zone->uchar ) {
if( vips_linear1( in, &t[1], 127.5, 127.5, NULL ) ||
vips_cast( t[1], &t[2], VIPS_FORMAT_UCHAR, NULL ) )
return( -1 );
in = t[2];
}
if( vips_image_write( in, create->out ) )
return( -1 );
return( 0 );
return( cos( c * (v2 + h2) ) );
}
static void
vips_zone_class_init( VipsZoneClass *class )
{
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
VipsObjectClass *vobject_class = VIPS_OBJECT_CLASS( class );
gobject_class->set_property = vips_object_set_property;
gobject_class->get_property = vips_object_get_property;
VipsPointClass *point_class = VIPS_POINT_CLASS( class );
vobject_class->nickname = "zone";
vobject_class->description = _( "make a zone plate" );
vobject_class->build = vips_zone_build;
VIPS_ARG_INT( class, "width", 4,
_( "Width" ),
_( "Image width in pixels" ),
VIPS_ARGUMENT_REQUIRED_INPUT,
G_STRUCT_OFFSET( VipsZone, width ),
1, 1000000, 1 );
VIPS_ARG_INT( class, "height", 5,
_( "Height" ),
_( "Image height in pixels" ),
VIPS_ARGUMENT_REQUIRED_INPUT,
G_STRUCT_OFFSET( VipsZone, height ),
1, 1000000, 1 );
VIPS_ARG_BOOL( class, "uchar", 7,
_( "Uchar" ),
_( "Output an unsigned char image" ),
VIPS_ARGUMENT_OPTIONAL_INPUT,
G_STRUCT_OFFSET( VipsZone, uchar ),
FALSE );
point_class->point = vips_zone_point;
}
static void
@ -179,7 +97,6 @@ vips_zone_init( VipsZone *zone )
{
}
/**
* vips_zone:
* @out: output image