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/* Base type for supported image formats. Subclass this to add a new
* format.
*/
/*
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
#ifndef IM_FORMAT_H
#define IM_FORMAT_H
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
#define VIPS_TYPE_FORMAT (vips_format_get_type())
#define VIPS_FORMAT( obj ) \
(G_TYPE_CHECK_INSTANCE_CAST( (obj), \
VIPS_TYPE_FORMAT, VipsFormat ))
#define VIPS_FORMAT_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_CAST( (klass), \
VIPS_TYPE_FORMAT, VipsFormatClass))
#define VIPS_IS_FORMAT( obj ) \
(G_TYPE_CHECK_INSTANCE_TYPE( (obj), VIPS_TYPE_FORMAT ))
#define VIPS_IS_FORMAT_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_TYPE( (klass), VIPS_TYPE_FORMAT ))
#define VIPS_FORMAT_GET_CLASS( obj ) \
(G_TYPE_INSTANCE_GET_CLASS( (obj), \
VIPS_TYPE_FORMAT, VipsFormatClass ))
/* Image file properties.
*/
typedef enum {
VIPS_FORMAT_NONE = 0, /* No flags set */
VIPS_FORMAT_PARTIAL = 1 /* Lazy read OK (eg. tiled tiff) */
} VipsFormatFlags;
/* Don't instantiate these things, just use the class stuff.
*/
typedef struct _VipsFormat {
VipsObject parent_object;
} VipsFormat;
typedef struct _VipsFormatClass {
VipsObjectClass parent_class;
/* Is a file in this format.
*/
gboolean (*is_a)( const char * );
/* Read just the header into the IMAGE.
*/
int (*header)( const char *, IMAGE * );
/* Load the whole image.
*/
int (*load)( const char *, IMAGE * );
/* Write the IMAGE to the file in this format.
*/
int (*save)( IMAGE *, const char * );
/* Get the flags for this file in this format.
*/
VipsFormatFlags (*get_flags)( const char * );
/* Loop over formats in this order, default 0. We need this because
* some formats can be read by several loaders (eg. tiff can be read
* by the libMagick loader as well as by the tiff loader), and we want
* to make sure the better loader comes first.
*/
int priority;
/* Null-terminated list of allowed suffixes, eg. ".tif", ".tiff".
*/
const char **suffs;
} VipsFormatClass;
GType vips_format_get_type( void );
/* Map over and find formats. This uses type introspection to loop over
* subclasses of VipsFormat.
*/
void *vips_format_map( VSListMap2Fn fn, void *a, void *b );
VipsFormatClass *vips_format_for_file( const char *filename );
VipsFormatClass *vips_format_for_name( const char *filename );
VipsFormatFlags vips_format_get_flags( VipsFormatClass *format,
const char *filename );
/* Read/write an image convenience functions.
*/
int vips_format_read( const char *filename, IMAGE *out );
int vips_format_write( IMAGE *in, const char *filename );
/* Low-level read/write operations.
*/
int im_jpeg2vips( const char *filename, IMAGE *out );
int im_vips2jpeg( IMAGE *in, const char *filename );
int im_vips2mimejpeg( IMAGE *in, int qfac );
int im_vips2bufjpeg( IMAGE *in, IMAGE *out, int qfac, char **obuf, int *olen );
int im_tiff2vips( const char *filename, IMAGE *out );
int im_vips2tiff( IMAGE *in, const char *filename );
int im_tile_cache( IMAGE *in, IMAGE *out,
int tile_width, int tile_height, int max_tiles );
int im_magick2vips( const char *filename, IMAGE *out );
int im_exr2vips( const char *filename, IMAGE *out );
int im_ppm2vips( const char *filename, IMAGE *out );
int im_vips2ppm( IMAGE *in, const char *filename );
int im_analyze2vips( const char *filename, IMAGE *out );
int im_csv2vips( const char *filename, IMAGE *out );
int im_vips2csv( IMAGE *in, const char *filename );
int im_png2vips( const char *filename, IMAGE *out );
int im_vips2png( IMAGE *in, const char *filename );
int im_raw2vips( const char *filename, IMAGE *out,
int width, int height, int bpp, int offset );
int im_vips2raw( IMAGE *in, int fd );
int im_mat2vips( const char *filename, IMAGE *out );
int im_rad2vips( const char *filename, IMAGE *out );
int im_vips2rad( IMAGE *in, const char *filename );
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*IM_FORMAT_H*/