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/*
* This file is part of the XForms library package.
*
* XForms 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 2.1, or
* (at your option) any later version.
*
* XForms 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 XForms. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* This file is part of the XForms library package.
* Copyright (c) 1996-2001 T.C. Zhao
* All rights reserved.
*
* Headers used internally by image support
*/
#ifndef FLIMAGE_INT_H_
#define FLIMAGE_INT_H_
#include "ulib.h"
typedef struct flimageIO {
const char * formal_name;
const char * short_name;
const char * signature;
const char * extension;
int type;
FLIMAGE_Identify identify;
FLIMAGE_Description read_description;
FLIMAGE_Read_Pixels read_pixels;
FLIMAGE_Write_Image write_image;
int annotation;
} FLIMAGE_IO;
typedef struct {
int w,
h;
int type;
void * pixels;
} FLIMAGE_BUFFER;
/* Subimage for convolve etc */
typedef struct {
int w,
h;
void * mat[ 3 ];
int comp; /* number of components */
} SubImage;
extern SubImage * flimage_get_subimage( FL_IMAGE * im,
int make );
#define FL_IsGray( t ) ( t == FL_IMAGE_GRAY || t == FL_IMAGE_GRAY16 )
#define FL_IsCI( t ) ( t == FL_IMAGE_CI || t == FL_IMAGE_MONO )
#define FLIMAGE_MAXLUT ( 1 << FL_LUTBITS )
extern FLIMAGE_IO *flimage_io;
typedef int ( * FLIMAGE_QUANTIZE_RGB )( unsigned char **,
unsigned char **,
unsigned char **,
int,
int,
int,
unsigned short **,
int *,
int *,
int *,
int *,
FL_IMAGE * );
typedef int ( * FLIMAGE_QUANTIZE_PACKED )( unsigned int **,
int,
int,
int,
unsigned short **,
int *,
int *,
int *,
int *,
FL_IMAGE * );
extern FLIMAGE_QUANTIZE_RGB flimage_quantize_rgb;
extern FLIMAGE_QUANTIZE_PACKED flimage_quantize_packed;
extern void flimage_replace_image( FL_IMAGE *,
int,
int,
void *,
void *,
void * );
extern int flimage_transform( FL_IMAGE *,
int,
int,
float m[ ][ 2 ],
float *shift,
unsigned int,
int subp );
extern int flimage_getmem( FL_IMAGE * );
extern void flimage_freemem( FL_IMAGE * );
extern void flimage_add_comments( FL_IMAGE *,
const char *,
int );
extern int fl_j2pass_quantize_rgb( unsigned char **,
unsigned char **,
unsigned char **,
int,
int,
int,
unsigned short **,
int *,
int *,
int *,
int *,
FL_IMAGE * );
extern int fl_j2pass_quantize_packed( unsigned int **,
int,
int,
int,
unsigned short **,
int *,
int *,
int *,
int *,
FL_IMAGE * );
/* These numbers can be anything, but should be less than < 128 and may not
equal 0 */
enum {
FL_GET_MATRIX = 100,
FL_MAKE_MATRIX
};
extern void * fl_get_submatrix( void *,
int,
int,
int,
int,
int,
int,
unsigned int );
extern void * fl_make_submatrix( void *,
int,
int,
int,
int,
int,
int,
unsigned int );
extern void flimage_enable_gzip( void );
extern void flimage_invalidate_pixels( FL_IMAGE * );
extern int flimage_get_closest_color_from_map( FL_IMAGE *,
unsigned int );
extern int flimage_replace_pixel( FL_IMAGE *,
unsigned int,
unsigned int );
extern void flimage_free_gray( FL_IMAGE * );
extern void flimage_free_ci( FL_IMAGE * );
extern void flimage_free_rgb( FL_IMAGE * );
extern void fl_pack_bits(unsigned char *, unsigned short *, int);
extern void fl_unpack_bits( unsigned short *,
unsigned char *,
int );
extern void flimage_error( FL_IMAGE *,
const char *,
... );
extern void flimage_enable_genesis( void );
extern int fl_spline_int_interpolate( const int *,
const int *,
int,
int,
int * );
extern unsigned int fl_value_to_bits( unsigned int val );
extern int flimage_get_linearlut( FL_IMAGE * );
extern void flimage_free_linearlut( FL_IMAGE * );
extern FLIMAGE_IO *flimage_find_imageIO( const char * );
extern void flimage_display_markers( FL_IMAGE * );
extern unsigned long flimage_color_to_pixel( FL_IMAGE *,
int,
int,
int,
int * );
extern int flimage_write_annotation( FL_IMAGE * );
extern int flimage_read_annotation( FL_IMAGE * );
extern int flimage_swapbuffer( FL_IMAGE * );
extern FL_IMAGE *flimage_dup_( FL_IMAGE *,
int );
extern int flimage_to_ximage( FL_IMAGE *,
FL_WINDOW,
XWindowAttributes * );
#if ! defined( SEEK_SET )
#define SEEK_SET 0
#endif
#if ! defined( SEEK_CUR )
#define SEEK_CUR 1
#endif
#if ! defined( SEEK_END )
#define SEEK_END 2
#endif
#endif /* FLIMAGE_INT_H */
/*
* Local variables:
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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