183 lines
5.0 KiB
C
183 lines
5.0 KiB
C
/* base class for all vips operations
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*/
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/*
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Copyright (C) 1991-2005 The National Gallery
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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#ifndef VIPS_OPERATION_H
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#define VIPS_OPERATION_H
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#include <glib.h>
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#include <glib-object.h>
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#include <vips/object.h>
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#include <vips/buf.h>
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#include <vips/basic.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /*__cplusplus*/
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typedef enum /*< flags >*/ {
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VIPS_OPERATION_NONE = 0,
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VIPS_OPERATION_SEQUENTIAL = 1,
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VIPS_OPERATION_SEQUENTIAL_UNBUFFERED = 2,
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VIPS_OPERATION_NOCACHE = 4,
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VIPS_OPERATION_DEPRECATED = 8,
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VIPS_OPERATION_UNTRUSTED = 16,
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VIPS_OPERATION_BLOCKED = 32
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} VipsOperationFlags;
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#define VIPS_TYPE_OPERATION (vips_operation_get_type())
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#define VIPS_OPERATION( obj ) \
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(G_TYPE_CHECK_INSTANCE_CAST( (obj), \
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VIPS_TYPE_OPERATION, VipsOperation ))
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#define VIPS_OPERATION_CLASS( klass ) \
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(G_TYPE_CHECK_CLASS_CAST( (klass), \
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VIPS_TYPE_OPERATION, VipsOperationClass ))
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#define VIPS_IS_OPERATION( obj ) \
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(G_TYPE_CHECK_INSTANCE_TYPE( (obj), VIPS_TYPE_OPERATION ))
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#define VIPS_IS_OPERATION_CLASS( klass ) \
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(G_TYPE_CHECK_CLASS_TYPE( (klass), VIPS_TYPE_OPERATION ))
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#define VIPS_OPERATION_GET_CLASS( obj ) \
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(G_TYPE_INSTANCE_GET_CLASS( (obj), \
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VIPS_TYPE_OPERATION, VipsOperationClass ))
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typedef gboolean (*VipsOperationBuildFn)( VipsObject *object );
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typedef struct _VipsOperation {
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VipsObject parent_instance;
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/* Keep the hash here.
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*/
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guint hash;
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gboolean found_hash;
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/* Pixels calculated ... handy for measuring over-calculation.
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*/
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int pixels;
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} VipsOperation;
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typedef struct _VipsOperationClass {
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VipsObjectClass parent_class;
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/* Print the usage message.
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*/
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void (*usage)( struct _VipsOperationClass *cls, VipsBuf *buf );
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/* Return a set of operation flags.
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*/
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VipsOperationFlags (*get_flags)( VipsOperation *operation );
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VipsOperationFlags flags;
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/* One of our input images has signalled "invalidate". The cache uses
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* VipsOperation::invalidate to drop dirty ops.
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*/
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void (*invalidate)( VipsOperation *operation );
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} VipsOperationClass;
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/* Don't put spaces around void here, it breaks gtk-doc.
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*/
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VIPS_API
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GType vips_operation_get_type(void);
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VIPS_API
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VipsOperationFlags vips_operation_get_flags( VipsOperation *operation );
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VIPS_API
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void vips_operation_class_print_usage( VipsOperationClass *operation_class );
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VIPS_API
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void vips_operation_invalidate( VipsOperation *operation );
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VIPS_API
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int vips_operation_call_valist( VipsOperation *operation, va_list ap );
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VIPS_API
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VipsOperation *vips_operation_new( const char *name );
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VIPS_API
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int vips_call_required_optional( VipsOperation **operation,
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va_list required, va_list optional );
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VIPS_API
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int vips_call( const char *operation_name, ... )
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G_GNUC_NULL_TERMINATED;
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VIPS_API
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int vips_call_split( const char *operation_name, va_list optional, ... );
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VIPS_API
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int vips_call_split_option_string( const char *operation_name,
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const char *option_string, va_list optional, ... );
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VIPS_API
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void vips_call_options( GOptionGroup *group, VipsOperation *operation );
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VIPS_API
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int vips_call_argv( VipsOperation *operation, int argc, char **argv );
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VIPS_API
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void vips_cache_drop_all( void );
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VIPS_API
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VipsOperation *vips_cache_operation_lookup( VipsOperation *operation );
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VIPS_API
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void vips_cache_operation_add( VipsOperation *operation );
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VIPS_API
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int vips_cache_operation_buildp( VipsOperation **operation );
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VIPS_API
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VipsOperation *vips_cache_operation_build( VipsOperation *operation );
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VIPS_API
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void vips_cache_print( void );
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VIPS_API
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void vips_cache_set_max( int max );
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VIPS_API
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void vips_cache_set_max_mem( size_t max_mem );
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VIPS_API
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int vips_cache_get_max( void );
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VIPS_API
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int vips_cache_get_size( void );
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VIPS_API
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size_t vips_cache_get_max_mem( void );
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VIPS_API
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int vips_cache_get_max_files( void );
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VIPS_API
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void vips_cache_set_max_files( int max_files );
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VIPS_API
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void vips_cache_set_dump( gboolean dump );
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VIPS_API
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void vips_cache_set_trace( gboolean trace );
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/* Part of threadpool, really, but we want these in a header that gets scanned
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* for our typelib.
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*/
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VIPS_API
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void vips_concurrency_set( int concurrency );
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VIPS_API
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int vips_concurrency_get( void );
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VIPS_API
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void vips_operation_block_set( const char *name, gboolean state );
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#ifdef __cplusplus
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}
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#endif /*__cplusplus*/
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#endif /*VIPS_OPERATION_H*/
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