[thirdparty/cups.git] / cups / raster-private.h

/*
 * Private image library definitions for CUPS.
 *
 * Copyright © 2007-2019 by Apple Inc.
 * Copyright © 1993-2006 by Easy Software Products.
 *
 * Licensed under Apache License v2.0.  See the file "LICENSE" for more
 * information.
 */

#ifndef _CUPS_RASTER_PRIVATE_H_
#  define _CUPS_RASTER_PRIVATE_H_

/*
 * Include necessary headers...
 */

#  include "raster.h"
#  include <cups/cups.h>
#  include <cups/debug-private.h>
#  include <cups/string-private.h>
#  ifdef _WIN32
#    include <io.h>
#    include <winsock2.h>		/* for htonl() definition */
#  else
#    include <unistd.h>
#    include <fcntl.h>
#  endif /* _WIN32 */

#  ifdef __cplusplus
extern "C" {
#  endif /* __cplusplus */


/*
 * Structure...
 */

struct _cups_raster_s			/**** Raster stream data ****/
{
  unsigned		sync;		/* Sync word from start of stream */
  void			*ctx;		/* File descriptor */
  cups_raster_iocb_t	iocb;		/* IO callback */
  cups_mode_t		mode;		/* Read/write mode */
  cups_page_header2_t	header;		/* Raster header for current page */
  unsigned		rowheight,	/* Row height in lines */
			count,		/* Current row run-length count */
			remaining,	/* Remaining rows in page image */
			bpp;		/* Bytes per pixel/color */
  unsigned char		*pixels,	/* Pixels for current row */
			*pend,		/* End of pixel buffer */
			*pcurrent;	/* Current byte in pixel buffer */
  int			compressed,	/* Non-zero if data is compressed */
			swapped;	/* Non-zero if data is byte-swapped */
  unsigned char		*buffer,	/* Read/write buffer */
			*bufptr,	/* Current (read) position in buffer */
			*bufend;	/* End of current (read) buffer */
  size_t		bufsize;	/* Buffer size */
#  ifdef DEBUG
  size_t		iostart,	/* Start of read/write buffer */
			iocount;	/* Number of bytes read/written */
#  endif /* DEBUG */
  unsigned		apple_page_count;/* Apple raster page count */
};


#if 0
/*
 * min/max macros...
 */

#  ifndef max
#    define 	max(a,b)	((a) > (b) ? (a) : (b))
#  endif /* !max */
#  ifndef min
#    define 	min(a,b)	((a) < (b) ? (a) : (b))
#  endif /* !min */
#endif // 0


/*
 * Prototypes...
 */

extern void		_cupsRasterAddError(const char *f, ...) _CUPS_FORMAT(1,2) _CUPS_PRIVATE;
extern void		_cupsRasterClearError(void) _CUPS_PRIVATE;
extern const char	*_cupsRasterColorSpaceString(cups_cspace_t cspace) _CUPS_PRIVATE;
extern void		_cupsRasterDelete(cups_raster_t *r) _CUPS_PRIVATE;
extern const char	*_cupsRasterErrorString(void) _CUPS_PRIVATE;
extern int		_cupsRasterInitPWGHeader(cups_page_header2_t *h, pwg_media_t *media, const char *type, int xdpi, int ydpi, const char *sides, const char *sheet_back) _CUPS_PRIVATE;
extern cups_raster_t	*_cupsRasterNew(cups_raster_iocb_t iocb, void *ctx, cups_mode_t mode) _CUPS_PRIVATE;
extern unsigned		_cupsRasterReadHeader(cups_raster_t *r) _CUPS_PRIVATE;
extern unsigned		_cupsRasterReadPixels(cups_raster_t *r, unsigned char *p, unsigned len) _CUPS_PRIVATE;
extern unsigned		_cupsRasterWriteHeader(cups_raster_t *r) _CUPS_PRIVATE;
extern unsigned		_cupsRasterWritePixels(cups_raster_t *r, unsigned char *p, unsigned len) _CUPS_PRIVATE;

#  ifdef __cplusplus
}
#  endif /* __cplusplus */

#endif /* !_CUPS_RASTER_PRIVATE_H_ */
Commit	Line	Data
a4845881	1	/*
6e5a57e8	2	* Private image library definitions for CUPS.
a4845881	3	*
ffbf1e61	4	* Copyright © 2007-2019 by Apple Inc.
be3b49a3	5	* Copyright © 1993-2006 by Easy Software Products.
a4845881	6	*
be3b49a3 MS	7	* Licensed under Apache License v2.0. See the file "LICENSE" for more
be3b49a3 MS	8	* information.
a4845881 MS	9	*/
	10
	11	#ifndef _CUPS_RASTER_PRIVATE_H_
	12	# define _CUPS_RASTER_PRIVATE_H_
	13
	14	/*
	15	* Include necessary headers...
	16	*/
	17
	18	# include "raster.h"
	19	# include <cups/cups.h>
	20	# include <cups/debug-private.h>
	21	# include <cups/string-private.h>
19dc16f7	22	# ifdef _WIN32
a4845881 MS	23	# include <io.h>
	24	# include <winsock2.h> /* for htonl() definition */
	25	# else
	26	# include <unistd.h>
	27	# include <fcntl.h>
19dc16f7	28	# endif /* _WIN32 */
a4845881	29
dd204f7a MS	30	# ifdef __cplusplus
	31	extern "C" {
	32	# endif /* __cplusplus */
	33
a4845881	34
dd204f7a MS	35	/*
	36	* Structure...
	37	*/
	38
	39	struct _cups_raster_s /** Raster stream data **/
	40	{
	41	unsigned sync; /* Sync word from start of stream */
	42	void ctx; / File descriptor */
	43	cups_raster_iocb_t iocb; /* IO callback */
	44	cups_mode_t mode; /* Read/write mode */
	45	cups_page_header2_t header; /* Raster header for current page */
	46	unsigned rowheight, /* Row height in lines */
	47	count, /* Current row run-length count */
	48	remaining, /* Remaining rows in page image */
	49	bpp; /* Bytes per pixel/color */
	50	unsigned char pixels, / Pixels for current row */
	51	pend, / End of pixel buffer */
	52	pcurrent; / Current byte in pixel buffer */
	53	int compressed, /* Non-zero if data is compressed */
	54	swapped; /* Non-zero if data is byte-swapped */
	55	unsigned char buffer, / Read/write buffer */
	56	bufptr, / Current (read) position in buffer */
	57	bufend; / End of current (read) buffer */
	58	size_t bufsize; /* Buffer size */
	59	# ifdef DEBUG
	60	size_t iostart, /* Start of read/write buffer */
	61	iocount; /* Number of bytes read/written */
	62	# endif /* DEBUG */
	63	unsigned apple_page_count;/* Apple raster page count */
	64	};
	65
	66
	67	#if 0
a4845881	68	/*
f3c17241	69	* min/max macros...
a4845881 MS	70	*/
	71
	72	# ifndef max
	73	# define max(a,b) ((a) > (b) ? (a) : (b))
	74	# endif /* !max */
	75	# ifndef min
	76	# define min(a,b) ((a) < (b) ? (a) : (b))
	77	# endif /* !min */
dd204f7a	78	#endif // 0
a4845881 MS	79
	80
	81	/*
	82	* Prototypes...
	83	*/
	84
e3586875 MS	85	extern void _cupsRasterAddError(const char *f, ...) _CUPS_FORMAT(1,2) _CUPS_PRIVATE;
e3586875 MS	86	extern void _cupsRasterClearError(void) _CUPS_PRIVATE;
dd204f7a MS	87	extern const char *_cupsRasterColorSpaceString(cups_cspace_t cspace) _CUPS_PRIVATE;
	88	extern void _cupsRasterDelete(cups_raster_t *r) _CUPS_PRIVATE;
	89	extern const char *_cupsRasterErrorString(void) _CUPS_PRIVATE;
dd204f7a MS	90	extern int _cupsRasterInitPWGHeader(cups_page_header2_t h, pwg_media_t media, const char type, int xdpi, int ydpi, const char sides, const char *sheet_back) _CUPS_PRIVATE;
	91	extern cups_raster_t _cupsRasterNew(cups_raster_iocb_t iocb, void ctx, cups_mode_t mode) _CUPS_PRIVATE;
	92	extern unsigned _cupsRasterReadHeader(cups_raster_t *r) _CUPS_PRIVATE;
	93	extern unsigned _cupsRasterReadPixels(cups_raster_t r, unsigned char p, unsigned len) _CUPS_PRIVATE;
	94	extern unsigned _cupsRasterWriteHeader(cups_raster_t *r) _CUPS_PRIVATE;
	95	extern unsigned _cupsRasterWritePixels(cups_raster_t r, unsigned char p, unsigned len) _CUPS_PRIVATE;
	96
	97	# ifdef __cplusplus
	98	}
	99	# endif /* __cplusplus */
a4845881 MS	100
a4845881 MS	101	#endif /* !_CUPS_RASTER_PRIVATE_H_ */