126 lines
3.2 KiB
C
126 lines
3.2 KiB
C
/* base class for all conversion operations
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*
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* properties:
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* - unary, binary or binary with one arg a constant
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* - cast binary args to match
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* - not point-to-point
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* - format, bands etc. can all change
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*/
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/*
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Copyright (C) 1991-2005 The National Gallery
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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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/*
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#define DEBUG
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /*HAVE_CONFIG_H*/
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#include <vips/intl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <vips/vips.h>
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#include "conversion.h"
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G_DEFINE_ABSTRACT_TYPE( VipsConversion, vips_conversion, VIPS_TYPE_OPERATION );
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static int
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vips_conversion_build( VipsObject *object )
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{
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VipsConversion *conversion = VIPS_CONVERSION( object );
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#ifdef DEBUG
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printf( "vips_conversion_build: " );
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vips_object_print_name( object );
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printf( "\n" );
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#endif /*DEBUG*/
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g_object_set( conversion, "out", vips_image_new(), NULL );
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if( VIPS_OBJECT_CLASS( vips_conversion_parent_class )->build( object ) )
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return( -1 );
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return( 0 );
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}
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static void
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vips_conversion_class_init( VipsConversionClass *class )
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS( class );
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VipsObjectClass *vobject_class = VIPS_OBJECT_CLASS( class );
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gobject_class->set_property = vips_object_set_property;
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gobject_class->get_property = vips_object_get_property;
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vobject_class->nickname = "conversion";
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vobject_class->description = _( "conversion operations" );
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vobject_class->build = vips_conversion_build;
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VIPS_ARG_IMAGE( class, "out", 1,
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_( "Output" ),
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_( "Output image" ),
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VIPS_ARGUMENT_REQUIRED_OUTPUT,
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G_STRUCT_OFFSET( VipsConversion, out ) );
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}
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static void
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vips_conversion_init( VipsConversion *conversion )
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{
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}
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/* Called from iofuncs to init all operations in this dir. Use a plugin system
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* instead?
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*/
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void
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vips_conversion_operation_init( void )
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{
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extern GType vips_copy_get_type( void );
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extern GType vips_embed_get_type( void );
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extern GType vips_flip_get_type( void );
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extern GType vips_insert_get_type( void );
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extern GType vips_join_get_type( void );
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extern GType vips_extract_area_get_type( void );
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extern GType vips_extract_band_get_type( void );
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extern GType vips_replicate_get_type( void );
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extern GType vips_cast_get_type( void );
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vips_copy_get_type();
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vips_embed_get_type();
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vips_flip_get_type();
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vips_insert_get_type();
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vips_join_get_type();
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vips_extract_area_get_type();
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vips_extract_band_get_type();
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vips_replicate_get_type();
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vips_cast_get_type();
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}
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