libvips/libvips/include/vips/operation.h

104 lines
3.0 KiB
C

/* base class for all vips operations
*/
/*
Copyright (C) 1991-2005 The National Gallery
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
#ifndef VIPS_OPERATION_H
#define VIPS_OPERATION_H
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
#define VIPS_TYPE_OPERATION (vips_operation_get_type())
#define VIPS_OPERATION( obj ) \
(G_TYPE_CHECK_INSTANCE_CAST( (obj), \
VIPS_TYPE_OPERATION, VipsOperation ))
#define VIPS_OPERATION_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_CAST( (klass), \
VIPS_TYPE_OPERATION, VipsOperationClass ))
#define VIPS_IS_OPERATION( obj ) \
(G_TYPE_CHECK_INSTANCE_TYPE( (obj), VIPS_TYPE_OPERATION ))
#define VIPS_IS_OPERATION_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_TYPE( (klass), VIPS_TYPE_OPERATION ))
#define VIPS_OPERATION_GET_CLASS( obj ) \
(G_TYPE_INSTANCE_GET_CLASS( (obj), \
VIPS_TYPE_OPERATION, VipsOperationClass ))
typedef gboolean (*VipsOperationBuildFn)( VipsObject * );
typedef struct _VipsOperation {
VipsObject parent_instance;
/* When we added this oepration to cache .. used to find LRU for
* flush.
*/
int time;
/* Keep the hash here.
*/
guint hash;
gboolean found_hash;
} VipsOperation;
typedef struct _VipsOperationClass {
VipsObjectClass parent_class;
/* Print the usage message.
*/
void (*print_usage)( struct _VipsOperationClass *, VipsBuf * );
} VipsOperationClass;
GType vips_operation_get_type( void );
void vips_operation_class_print_usage( VipsOperationClass *operation_class );
int vips_operation_call_valist( VipsOperation *operation, va_list ap );
VipsOperation *vips_operation_new( const char *name );
int vips_call( const char *operation_name, ... );
int vips_call_split( const char *operation_name, va_list optional, ... );
void vips_call_options( GOptionGroup *group, VipsOperation *operation );
int vips_call_argv( VipsOperation *operation, int argc, char **argv );
void vips_cache_drop_all( void );
int vips_cache_operation_build( VipsOperation **operation );
void vips_cache_set_max( int max );
void vips_cache_set_max_mem( int max_mem );
int vips_cache_get_max( void );
int vips_cache_get_size( void );
size_t vips_cache_get_max_mem( void );
int vips_cache_get_max_files( void );
void vips_cache_set_max_files( int max_files );
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*VIPS_OPERATION_H*/