105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/* base class for all stats 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_STATISTIC_H
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#define VIPS_STATISTIC_H
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#ifdef __cplusplus
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extern "C" {
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#endif /*__cplusplus*/
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#include <vips/vector.h>
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#define VIPS_TYPE_STATISTIC (vips_statistic_get_type())
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#define VIPS_STATISTIC( obj ) \
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(G_TYPE_CHECK_INSTANCE_CAST( (obj), \
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VIPS_TYPE_STATISTIC, VipsStatistic ))
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#define VIPS_STATISTIC_CLASS( klass ) \
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(G_TYPE_CHECK_CLASS_CAST( (klass), \
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VIPS_TYPE_STATISTIC, VipsStatisticClass))
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#define VIPS_IS_STATISTIC( obj ) \
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(G_TYPE_CHECK_INSTANCE_TYPE( (obj), VIPS_TYPE_STATISTIC ))
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#define VIPS_IS_STATISTIC_CLASS( klass ) \
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(G_TYPE_CHECK_CLASS_TYPE( (klass), VIPS_TYPE_STATISTIC ))
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#define VIPS_STATISTIC_GET_CLASS( obj ) \
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(G_TYPE_INSTANCE_GET_CLASS( (obj), \
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VIPS_TYPE_STATISTIC, VipsStatisticClass ))
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typedef struct _VipsStatistic VipsStatistic;
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typedef struct _VipsStatisticClass VipsStatisticClass;
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typedef void *(*VipsStatisticStartFn)( VipsStatistic *statistic );
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typedef int (*VipsStatisticScanFn)( VipsStatistic *statistic,
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void *seq, int x, int y, void *p, int n );
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typedef int (*VipsStatisticStopFn)( VipsStatistic *statistic, void *seq );
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struct _VipsStatistic {
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VipsOperation parent_instance;
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/* All have an input image.
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*/
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VipsImage *in;
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/* The input image cast and ready for processing.
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*/
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VipsImage *ready;
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/* Set this to stop computation early.
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*/
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gboolean stop;
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/* Client data for the subclass.
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*/
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void *a;
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void *b;
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};
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struct _VipsStatisticClass {
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VipsOperationClass parent_class;
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/* Start/scan/stop, for vips_sink.
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*/
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VipsStatisticStartFn start;
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VipsStatisticScanFn scan;
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VipsStatisticStopFn stop;
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/* For each input format, what output format. If NULL, no casting.
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*/
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const VipsBandFormat *format_table;
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};
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GType vips_statistic_get_type( void );
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#ifdef __cplusplus
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}
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#endif /*__cplusplus*/
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#endif /*VIPS_STATISTIC_H*/
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