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/* save to csv
*
* 2/12/11
* - wrap a class around the csv writer
*/
/*
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
*/
/*
#define DEBUG_VERBOSE
#define DEBUG
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /*HAVE_CONFIG_H*/
#include <vips/intl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vips/vips.h>
#include "csv.h"
typedef struct _VipsForeignSaveCsv {
VipsForeignSave parent_object;
/* Filename for save.
*/
char *filename;
const char *separator;
} VipsForeignSaveCsv;
typedef VipsForeignSaveClass VipsForeignSaveCsvClass;
G_DEFINE_TYPE( VipsForeignSaveCsv, vips_foreign_save_csv,
VIPS_TYPE_FOREIGN_SAVE );
static int
vips_foreign_save_csv_build( VipsObject *object )
{
VipsForeignSave *save = (VipsForeignSave *) object;
VipsForeignSaveCsv *csv = (VipsForeignSaveCsv *) object;
if( VIPS_OBJECT_CLASS( vips_foreign_save_csv_parent_class )->
build( object ) )
return( -1 );
if( vips__csv_write( save->ready, csv->filename, csv->separator ) )
return( -1 );
return( 0 );
}
static void
vips_foreign_save_csv_class_init( VipsForeignSaveCsvClass *class )
{
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
VipsObjectClass *object_class = (VipsObjectClass *) class;
VipsForeignClass *foreign_class = (VipsForeignClass *) class;
VipsForeignSaveClass *save_class = (VipsForeignSaveClass *) class;
gobject_class->set_property = vips_object_set_property;
gobject_class->get_property = vips_object_get_property;
object_class->nickname = "csvsave";
object_class->description = _( "save image to csv file" );
object_class->build = vips_foreign_save_csv_build;
foreign_class->suffs = vips__foreign_csv_suffs;
save_class->saveable = VIPS_SAVEABLE_MONO;
VIPS_ARG_STRING( class, "filename", 1,
_( "Filename" ),
_( "Filename to save to" ),
VIPS_ARGUMENT_REQUIRED_INPUT,
G_STRUCT_OFFSET( VipsForeignSaveCsv, filename ),
NULL );
VIPS_ARG_STRING( class, "separator", 13,
_( "Separator" ),
_( "Separator characters" ),
VIPS_ARGUMENT_OPTIONAL_INPUT,
G_STRUCT_OFFSET( VipsForeignSaveCsv, separator ),
"\t" );
}
static void
vips_foreign_save_csv_init( VipsForeignSaveCsv *csv )
{
csv->separator = g_strdup( "\t" );
}
/**
* vips_csvsave:
* @in: image to save
* @filename: file to write to
* @...: %NULL-terminated list of optional named arguments
*
* Optional arguments:
*
* * @separator: separator string
*
* Writes the pixels in @in to the @filename as CSV (comma-separated values).
* The image is written
* one line of text per scanline. Complex numbers are written as
* "(real,imaginary)" and will need extra parsing I guess. Only the first band
* is written.
*
* @separator gives the string to use to separate numbers in the output.
* The default is "\\t" (tab).
*
* See also: vips_image_write_to_file().
*
* Returns: 0 on success, -1 on error.
*/
int
vips_csvsave( VipsImage *in, const char *filename, ... )
{
va_list ap;
int result;
va_start( ap, filename );
result = vips_call_split( "csvsave", ap, in, filename );
va_end( ap );
return( result );
}
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