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/*
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* Private image library definitions for CUPS.
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*
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* Copyright © 2007-2019 by Apple Inc.
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* Copyright © 1993-2006 by Easy Software Products.
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*
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* Licensed under Apache License v2.0. See the file "LICENSE" for more
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* information.
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*/
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#ifndef _CUPS_RASTER_PRIVATE_H_
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# define _CUPS_RASTER_PRIVATE_H_
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/*
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* Include necessary headers...
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*/
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# include "raster.h"
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# include <cups/cups.h>
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# include <cups/debug-private.h>
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# include <cups/string-private.h>
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# ifdef _WIN32
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# include <io.h>
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# include <winsock2.h> /* for htonl() definition */
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# else
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# include <unistd.h>
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# include <fcntl.h>
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# endif /* _WIN32 */
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# ifdef __cplusplus
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extern "C" {
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# endif /* __cplusplus */
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/*
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* Structure...
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*/
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struct _cups_raster_s /**** Raster stream data ****/
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{
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unsigned sync; /* Sync word from start of stream */
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void *ctx; /* File descriptor */
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cups_raster_iocb_t iocb; /* IO callback */
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cups_mode_t mode; /* Read/write mode */
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cups_page_header2_t header; /* Raster header for current page */
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unsigned rowheight, /* Row height in lines */
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count, /* Current row run-length count */
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remaining, /* Remaining rows in page image */
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bpp; /* Bytes per pixel/color */
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unsigned char *pixels, /* Pixels for current row */
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*pend, /* End of pixel buffer */
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*pcurrent; /* Current byte in pixel buffer */
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int compressed, /* Non-zero if data is compressed */
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swapped; /* Non-zero if data is byte-swapped */
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unsigned char *buffer, /* Read/write buffer */
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*bufptr, /* Current (read) position in buffer */
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*bufend; /* End of current (read) buffer */
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size_t bufsize; /* Buffer size */
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# ifdef DEBUG
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size_t iostart, /* Start of read/write buffer */
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iocount; /* Number of bytes read/written */
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# endif /* DEBUG */
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unsigned apple_page_count;/* Apple raster page count */
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};
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#if 0
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/*
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* min/max macros...
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*/
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# ifndef max
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# define max(a,b) ((a) > (b) ? (a) : (b))
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# endif /* !max */
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# ifndef min
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# define min(a,b) ((a) < (b) ? (a) : (b))
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# endif /* !min */
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#endif // 0
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/*
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* Prototypes...
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*/
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extern void _cupsRasterAddError(const char *f, ...) _CUPS_FORMAT(1,2) _CUPS_PRIVATE;
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extern void _cupsRasterClearError(void) _CUPS_PRIVATE;
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extern const char *_cupsRasterColorSpaceString(cups_cspace_t cspace) _CUPS_PRIVATE;
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extern void _cupsRasterDelete(cups_raster_t *r) _CUPS_PRIVATE;
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extern const char *_cupsRasterErrorString(void) _CUPS_PRIVATE;
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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;
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extern cups_raster_t *_cupsRasterNew(cups_raster_iocb_t iocb, void *ctx, cups_mode_t mode) _CUPS_PRIVATE;
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extern unsigned _cupsRasterReadHeader(cups_raster_t *r) _CUPS_PRIVATE;
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extern unsigned _cupsRasterReadPixels(cups_raster_t *r, unsigned char *p, unsigned len) _CUPS_PRIVATE;
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extern unsigned _cupsRasterWriteHeader(cups_raster_t *r) _CUPS_PRIVATE;
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extern unsigned _cupsRasterWritePixels(cups_raster_t *r, unsigned char *p, unsigned len) _CUPS_PRIVATE;
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# ifdef __cplusplus
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}
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# endif /* __cplusplus */
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#endif /* !_CUPS_RASTER_PRIVATE_H_ */
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