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/* base class for all vips 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_OPERATION_H
#define VIPS_OPERATION_H
#include <glib.h>
#include <glib-object.h>
#include <vips/object.h>
#include <vips/buf.h>
#include <vips/basic.h>
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
typedef enum /*< flags >*/ {
VIPS_OPERATION_NONE = 0,
VIPS_OPERATION_SEQUENTIAL = 1,
VIPS_OPERATION_SEQUENTIAL_UNBUFFERED = 2,
VIPS_OPERATION_NOCACHE = 4,
VIPS_OPERATION_DEPRECATED = 8,
VIPS_OPERATION_UNTRUSTED = 16,
VIPS_OPERATION_BLOCKED = 32,
VIPS_OPERATION_REVALIDATE = 64
} VipsOperationFlags;
#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 *object);
struct _VipsOperation {
VipsObject parent_instance;
/* Keep the hash here.
*/
guint hash;
gboolean found_hash;
/* Pixels calculated ... handy for measuring over-calculation.
*/
int pixels;
};
typedef struct _VipsOperationClass {
VipsObjectClass parent_class;
/* Print the usage message.
*/
void (*usage)(struct _VipsOperationClass *cls, VipsBuf *buf);
/* Return a set of operation flags.
*/
VipsOperationFlags (*get_flags)(VipsOperation *operation);
VipsOperationFlags flags;
/* One of our input images has signalled "invalidate". The cache uses
* VipsOperation::invalidate to drop dirty ops.
*/
void (*invalidate)(VipsOperation *operation);
} VipsOperationClass;
VIPS_API
GType vips_operation_get_type(void);
VIPS_API
VipsOperationFlags vips_operation_get_flags(VipsOperation *operation);
VIPS_API
void vips_operation_class_print_usage(VipsOperationClass *operation_class);
VIPS_API
void vips_operation_invalidate(VipsOperation *operation);
VIPS_API
int vips_operation_call_valist(VipsOperation *operation, va_list ap);
VIPS_API
VipsOperation *vips_operation_new(const char *name);
VIPS_API
int vips_call_required_optional(VipsOperation **operation,
va_list required, va_list optional);
VIPS_API
int vips_call(const char *operation_name, ...)
G_GNUC_NULL_TERMINATED;
VIPS_API
int vips_call_split(const char *operation_name, va_list optional, ...);
VIPS_API
int vips_call_split_option_string(const char *operation_name,
const char *option_string, va_list optional, ...);
VIPS_API
void vips_call_options(GOptionGroup *group, VipsOperation *operation);
VIPS_API
int vips_call_argv(VipsOperation *operation, int argc, char **argv);
VIPS_API
void vips_cache_drop_all(void);
VIPS_API
int vips_cache_operation_buildp(VipsOperation **operation);
VIPS_API
VipsOperation *vips_cache_operation_build(VipsOperation *operation);
VIPS_API
void vips_cache_print(void);
VIPS_API
void vips_cache_set_max(int max);
VIPS_API
void vips_cache_set_max_mem(size_t max_mem);
VIPS_API
int vips_cache_get_max(void);
VIPS_API
int vips_cache_get_size(void);
VIPS_API
size_t vips_cache_get_max_mem(void);
VIPS_API
int vips_cache_get_max_files(void);
VIPS_API
void vips_cache_set_max_files(int max_files);
VIPS_API
void vips_cache_set_dump(gboolean dump);
VIPS_API
void vips_cache_set_trace(gboolean trace);
/* Part of threadpool, really, but we want these in a header that gets scanned
* for our typelib.
*/
VIPS_API
void vips_concurrency_set(int concurrency);
VIPS_API
int vips_concurrency_get(void);
VIPS_API
void vips_operation_block_set(const char *name, gboolean state);
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*VIPS_OPERATION_H*/