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-rw-r--r--driver/driver.h249
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diff --git a/driver/driver.h b/driver/driver.h
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-/*
- * "$Id: driver.h 7306 2008-02-15 00:52:38Z mike $"
- *
- * Printer driver utilities header file for CUPS.
- *
- * Copyright 2007 by Apple Inc.
- * Copyright 1993-2005 by Easy Software Products.
- *
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law. Distribution and use rights are outlined in the file "LICENSE.txt"
- * which should have been included with this file. If this file is
- * file is missing or damaged, see the license at "http://www.cups.org/".
- */
-
-#ifndef _CUPS_DRIVER_H_
-# define _CUPS_DRIVER_H_
-
-# ifdef __cplusplus
-extern "C" {
-# endif /* __cplusplus */
-
-/*
- * Include necessary headers...
- */
-
-# include <stdio.h>
-# include <stdlib.h>
-# include <time.h>
-# include <math.h>
-
-# if defined(WIN32) || defined(__EMX__)
-# include <io.h>
-# else
-# include <unistd.h>
-# include <fcntl.h>
-# endif /* WIN32 || __EMX__ */
-
-# include <cups/cups.h>
-# include <cups/raster.h>
-
-
-/*
- * Common macros...
- */
-
-# ifndef min
-# define min(a,b) ((a) < (b) ? (a) : (b))
-# define max(a,b) ((a) > (b) ? (a) : (b))
-# endif /* !min */
-
-
-/*
- * Constants...
- */
-
-#define CUPS_MAX_CHAN 15 /* Maximum number of color components */
-#define CUPS_MAX_LUT 4095 /* Maximum LUT value */
-#define CUPS_MAX_RGB 4 /* Maximum number of sRGB components */
-
-
-/*
- * Types/structures for the various routines.
- */
-
-typedef struct cups_lut_s /**** Lookup Table for Dithering ****/
-{
- short intensity; /* Adjusted intensity */
- short pixel; /* Output pixel value */
- int error; /* Error from desired value */
-} cups_lut_t;
-
-typedef struct cups_dither_s /**** Dithering State ****/
-{
- int width; /* Width of buffer */
- int row; /* Current row */
- int errors[96]; /* Error values */
-} cups_dither_t;
-
-typedef struct cups_sample_s /**** Color sample point ****/
-{
- unsigned char rgb[3]; /* sRGB values */
- unsigned char colors[CUPS_MAX_RGB]; /* Color values */
-} cups_sample_t;
-
-typedef struct cups_rgb_s /**** Color separation lookup table ****/
-{
- int cube_size; /* Size of color cube (2-N) on a side */
- int num_channels; /* Number of colors per sample */
- unsigned char ****colors; /* 4-D array of sample values */
- int cube_index[256]; /* Index into cube for a given sRGB value */
- int cube_mult[256]; /* Multiplier value for a given sRGB value */
- int cache_init; /* Are cached values initialized? */
- unsigned char black[CUPS_MAX_RGB]; /* Cached black (sRGB = 0,0,0) */
- unsigned char white[CUPS_MAX_RGB]; /* Cached white (sRGB = 255,255,255) */
-} cups_rgb_t;
-
-typedef struct cups_cmyk_s /**** Simple CMYK lookup table ****/
-{
- unsigned char black_lut[256]; /* Black generation LUT */
- unsigned char color_lut[256]; /* Color removal LUT */
- int ink_limit; /* Ink limit */
- int num_channels; /* Number of components */
- short *channels[CUPS_MAX_CHAN];
- /* Lookup tables */
-} cups_cmyk_t;
-
-
-/*
- * Globals...
- */
-
-extern const unsigned char
- cups_srgb_lut[256];
- /* sRGB gamma lookup table */
-extern const unsigned char
- cups_scmy_lut[256];
- /* sRGB gamma lookup table (inverted) */
-
-
-/*
- * Prototypes...
- */
-
-/*
- * Attribute function...
- */
-
-extern ppd_attr_t *cupsFindAttr(ppd_file_t *ppd, const char *name,
- const char *colormodel,
- const char *media,
- const char *resolution,
- char *spec, int specsize);
-
-/*
- * Byte checking functions...
- */
-
-extern int cupsCheckBytes(const unsigned char *, int);
-extern int cupsCheckValue(const unsigned char *, int,
- const unsigned char);
-
-/*
- * Dithering functions...
- */
-
-extern void cupsDitherLine(cups_dither_t *d, const cups_lut_t *lut,
- const short *data, int num_channels,
- unsigned char *p);
-extern cups_dither_t *cupsDitherNew(int width);
-extern void cupsDitherDelete(cups_dither_t *);
-
-/*
- * Lookup table functions for dithering...
- */
-
-extern cups_lut_t *cupsLutNew(int num_vals, const float *vals);
-extern void cupsLutDelete(cups_lut_t *lut);
-extern cups_lut_t *cupsLutLoad(ppd_file_t *ppd,
- const char *colormodel,
- const char *media,
- const char *resolution,
- const char *ink);
-
-
-/*
- * Bit packing functions...
- */
-
-extern void cupsPackHorizontal(const unsigned char *,
- unsigned char *, int,
- const unsigned char, const int);
-extern void cupsPackHorizontal2(const unsigned char *,
- unsigned char *, int, const int);
-extern void cupsPackHorizontalBit(const unsigned char *,
- unsigned char *, int,
- const unsigned char,
- const unsigned char);
-extern void cupsPackVertical(const unsigned char *, unsigned char *,
- int, const unsigned char, const int);
-
-/*
- * Color separation functions...
- */
-
-extern void cupsRGBDelete(cups_rgb_t *rgb);
-extern void cupsRGBDoGray(cups_rgb_t *rgb,
- const unsigned char *input,
- unsigned char *output, int num_pixels);
-extern void cupsRGBDoRGB(cups_rgb_t *rgb,
- const unsigned char *input,
- unsigned char *output, int num_pixels);
-extern cups_rgb_t *cupsRGBLoad(ppd_file_t *ppd,
- const char *colormodel,
- const char *media,
- const char *resolution);
-extern cups_rgb_t *cupsRGBNew(int num_samples, cups_sample_t *samples,
- int cube_size, int num_channels);
-
-/*
- * CMYK separation functions...
- */
-
-extern cups_cmyk_t *cupsCMYKNew(int num_channels);
-extern void cupsCMYKDelete(cups_cmyk_t *cmyk);
-extern void cupsCMYKDoBlack(const cups_cmyk_t *cmyk,
- const unsigned char *input,
- short *output, int num_pixels);
-extern void cupsCMYKDoCMYK(const cups_cmyk_t *cmyk,
- const unsigned char *input,
- short *output, int num_pixels);
-extern void cupsCMYKDoGray(const cups_cmyk_t *cmyk,
- const unsigned char *input,
- short *output, int num_pixels);
-extern void cupsCMYKDoRGB(const cups_cmyk_t *cmyk,
- const unsigned char *input,
- short *output, int num_pixels);
-extern cups_cmyk_t *cupsCMYKLoad(ppd_file_t *ppd,
- const char *colormodel,
- const char *media,
- const char *resolution);
-extern void cupsCMYKSetBlack(cups_cmyk_t *cmyk,
- float lower, float upper);
-extern void cupsCMYKSetCurve(cups_cmyk_t *cmyk, int channel,
- int num_xypoints,
- const float *xypoints);
-extern void cupsCMYKSetGamma(cups_cmyk_t *cmyk, int channel,
- float gamval, float density);
-extern void cupsCMYKSetInkLimit(cups_cmyk_t *cmyk, float limit);
-extern void cupsCMYKSetLtDk(cups_cmyk_t *cmyk, int channel,
- float light, float dark);
-
-
-/*
- * Convenience macro for writing print data...
- */
-
-# define cupsWritePrintData(s,n) fwrite((s), 1, (n), stdout)
-
-# ifdef __cplusplus
-}
-# endif /* __cplusplus */
-
-#endif /* !_CUPS_DRIVER_H_ */
-
-/*
- * End of "$Id: driver.h 7306 2008-02-15 00:52:38Z mike $".
- */
-
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