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Merge CUPS 1.4svn-r7319.
[thirdparty/cups.git] / filter / image.h
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ef416fc2 1/*
bc44d920 2 * "$Id: image.h 6649 2007-07-11 21:46:42Z mike $"
ef416fc2 3 *
4 * Image library definitions for the Common UNIX Printing System (CUPS).
5 *
bc44d920 6 * Copyright 2007 by Apple Inc.
b423cd4c 7 * Copyright 1993-2006 by Easy Software Products.
ef416fc2 8 *
9 * These coded instructions, statements, and computer programs are the
bc44d920 10 * property of Apple Inc. and are protected by Federal copyright
11 * law. Distribution and use rights are outlined in the file "LICENSE.txt"
12 * which should have been included with this file. If this file is
13 * file is missing or damaged, see the license at "http://www.cups.org/".
ef416fc2 14 *
15 * This file is subject to the Apple OS-Developed Software exception.
16 */
17
18#ifndef _CUPS_IMAGE_H_
19# define _CUPS_IMAGE_H_
20
21/*
22 * Include necessary headers...
23 */
24
25# include <stdio.h>
ac884b6a 26# include <cups/raster.h>
ef416fc2 27
28# ifdef __cplusplus
29extern "C" {
30# endif /* __cplusplus */
31
32/*
33 * Constants...
34 */
35
36typedef enum cups_icspace_e /**** Image colorspaces ****/
37{
38 CUPS_IMAGE_CMYK = -4, /* Cyan, magenta, yellow, and black */
39 CUPS_IMAGE_CMY = -3, /* Cyan, magenta, and yellow */
40 CUPS_IMAGE_BLACK = -1, /* Black */
41 CUPS_IMAGE_WHITE = 1, /* White (luminance) */
42 CUPS_IMAGE_RGB = 3, /* Red, green, and blue */
43 CUPS_IMAGE_RGB_CMYK = 4 /* Use RGB or CMYK */
44} cups_icspace_t;
45
ef416fc2 46
47/*
48 * Types and structures...
49 */
50
51typedef unsigned char cups_ib_t; /**** Image byte ****/
52
53struct cups_image_s;
54typedef struct cups_image_s cups_image_t;
55 /**** Image file data ****/
56
57struct cups_izoom_s;
58typedef struct cups_izoom_s cups_izoom_t;
59 /**** Image zoom data ****/
60
61
62/*
63 * Prototypes...
64 */
65
2fb76298 66extern void cupsImageClose(cups_image_t *img) _CUPS_API_1_2;
ef416fc2 67extern void cupsImageCMYKToBlack(const cups_ib_t *in,
2fb76298 68 cups_ib_t *out, int count) _CUPS_API_1_2;
ef416fc2 69extern void cupsImageCMYKToCMY(const cups_ib_t *in,
2fb76298 70 cups_ib_t *out, int count) _CUPS_API_1_2;
ef416fc2 71extern void cupsImageCMYKToCMYK(const cups_ib_t *in,
2fb76298 72 cups_ib_t *out, int count) _CUPS_API_1_2;
ef416fc2 73extern void cupsImageCMYKToRGB(const cups_ib_t *in,
2fb76298 74 cups_ib_t *out, int count) _CUPS_API_1_2;
ef416fc2 75extern void cupsImageCMYKToWhite(const cups_ib_t *in,
2fb76298 76 cups_ib_t *out, int count) _CUPS_API_1_2;
ef416fc2 77extern int cupsImageGetCol(cups_image_t *img, int x, int y,
2fb76298
MS		 78 int height, cups_ib_t *pixels) _CUPS_API_1_2;
79extern cups_icspace_t cupsImageGetColorSpace(cups_image_t *img) _CUPS_API_1_2;
80extern int cupsImageGetDepth(cups_image_t *img) _CUPS_API_1_2;
81extern unsigned cupsImageGetHeight(cups_image_t *img) _CUPS_API_1_2;
ef416fc2 82extern int cupsImageGetRow(cups_image_t *img, int x, int y,
2fb76298
MS		 83 int width, cups_ib_t *pixels) _CUPS_API_1_2;
84extern unsigned cupsImageGetWidth(cups_image_t *img) _CUPS_API_1_2;
85extern unsigned cupsImageGetXPPI(cups_image_t *img) _CUPS_API_1_2;
86extern unsigned cupsImageGetYPPI(cups_image_t *img) _CUPS_API_1_2;
ef416fc2 87extern void cupsImageLut(cups_ib_t *pixels, int count,
2fb76298 88 const cups_ib_t *lut) _CUPS_API_1_2;
ef416fc2 89extern cups_image_t *cupsImageOpen(const char *filename,
90 cups_icspace_t primary,
91 cups_icspace_t secondary,
92 int saturation, int hue,
2fb76298 93 const cups_ib_t *lut) _CUPS_API_1_2;
ef416fc2 94extern void cupsImageRGBAdjust(cups_ib_t *pixels, int count,
2fb76298 95 int saturation, int hue) _CUPS_API_1_2;
ef416fc2 96extern void cupsImageRGBToBlack(const cups_ib_t *in,
2fb76298 97 cups_ib_t *out, int count) _CUPS_API_1_2;
ef416fc2 98extern void cupsImageRGBToCMY(const cups_ib_t *in,
2fb76298 99 cups_ib_t *out, int count) _CUPS_API_1_2;
ef416fc2 100extern void cupsImageRGBToCMYK(const cups_ib_t *in,
2fb76298 101 cups_ib_t *out, int count) _CUPS_API_1_2;
ef416fc2 102extern void cupsImageRGBToRGB(const cups_ib_t *in,
2fb76298 103 cups_ib_t *out, int count) _CUPS_API_1_2;
ef416fc2 104extern void cupsImageRGBToWhite(const cups_ib_t *in,
2fb76298
MS		 105 cups_ib_t *out, int count) _CUPS_API_1_2;
106extern void cupsImageSetMaxTiles(cups_image_t *img, int max_tiles) _CUPS_API_1_2;
ef416fc2 107extern void cupsImageSetProfile(float d, float g,
2fb76298
MS		 108 float matrix[3][3]) _CUPS_API_1_2;
109extern void cupsImageSetRasterColorSpace(cups_cspace_t cs) _CUPS_API_1_2;
ef416fc2 110extern void cupsImageWhiteToBlack(const cups_ib_t *in,
2fb76298 111 cups_ib_t *out, int count) _CUPS_API_1_2;
ef416fc2 112extern void cupsImageWhiteToCMY(const cups_ib_t *in,
2fb76298 113 cups_ib_t *out, int count) _CUPS_API_1_2;
ef416fc2 114extern void cupsImageWhiteToCMYK(const cups_ib_t *in,
2fb76298 115 cups_ib_t *out, int count) _CUPS_API_1_2;
ef416fc2 116extern void cupsImageWhiteToRGB(const cups_ib_t *in,
2fb76298 117 cups_ib_t *out, int count) _CUPS_API_1_2;
ef416fc2 118extern void cupsImageWhiteToWhite(const cups_ib_t *in,
2fb76298 119 cups_ib_t *out, int count) _CUPS_API_1_2;
ef416fc2 120
121
122# ifdef __cplusplus
123}
124# endif /* __cplusplus */
125
126#endif /* !_CUPS_IMAGE_H_ */
127
128/*
bc44d920 129 * End of "$Id: image.h 6649 2007-07-11 21:46:42Z mike $".
ef416fc2 130 */
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