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/* base class for all unaryconst arithmetic operations
*/
/*
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
*/
#ifndef VIPS_UNARY_CONST_H
#define VIPS_UNARY_CONST_H
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
#include "unary.h"
#define VIPS_TYPE_UNARY_CONST (vips_unary_const_get_type())
#define VIPS_UNARY_CONST( obj ) \
(G_TYPE_CHECK_INSTANCE_CAST( (obj), \
VIPS_TYPE_UNARY_CONST, VipsUnaryConst ))
#define VIPS_UNARY_CONST_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_CAST( (klass), \
VIPS_TYPE_UNARY_CONST, VipsUnaryConstClass))
#define VIPS_IS_UNARY_CONST( obj ) \
(G_TYPE_CHECK_INSTANCE_TYPE( (obj), VIPS_TYPE_UNARY_CONST ))
#define VIPS_IS_UNARY_CONST_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_TYPE( (klass), VIPS_TYPE_UNARY_CONST ))
#define VIPS_UNARY_CONST_GET_CLASS( obj ) \
(G_TYPE_INSTANCE_GET_CLASS( (obj), \
VIPS_TYPE_UNARY_CONST, VipsUnaryConstClass ))
typedef struct _VipsUnaryConst {
VipsUnary parent_instance;
/* Our constants.
*/
VipsArea *c;
/* The format the constant should be cast to. Subclasses set this
* ready for unaryconst's build method.
*/
VipsBandFormat const_format;
/* Our constant expanded to match arith->ready in size and
* const_format in type.
*/
int n;
VipsPel *c_ready;
} VipsUnaryConst;
typedef struct _VipsUnaryConstClass {
VipsUnaryClass parent_class;
} VipsUnaryConstClass;
GType vips_unary_const_get_type( void );
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*VIPS_UNARY_CONST_H*/
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