libvips/libvips/iofuncs/sink.h

78 lines
1.8 KiB
C

/* A sink that's not attached to anything, eg. find image average,
*
* 28/3/10
* - from im_iterate(), reworked for threadpool
*/
/*
This file is part of VIPS.
VIPS 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 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; 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_SINK_H
#define VIPS_SINK_H
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
#include <vips/vips.h>
#include <vips/thread.h>
/* Base for sink.c / sinkdisc.c / sinkmemory.c
*/
typedef struct _SinkBase {
VipsImage *im;
/* The position we're at in buf.
*/
int x;
int y;
/* The tilesize we've picked.
*/
int tile_width;
int tile_height;
int nlines;
/* The number of pixels allocate has allocated. Used for progress
* feedback.
*/
guint64 processed;
} SinkBase;
/* Some function we can share.
*/
void vips_sink_base_init( SinkBase *sink_base, VipsImage *image );
VipsThreadState *vips_sink_thread_state_new( VipsImage *im, void *a );
int vips_sink_base_allocate( VipsThreadState *state, void *a, gboolean *stop );
int vips_sink_base_progress( void *a );
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*VIPS_SINK_H*/