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C/C++ Source or Header  |  2008-10-21  |  4.5 KB  |  131 lines
  1. /*
  2.  * "$Id: image.h 7721 2008-07-11 22:48:49Z mike $"
  3.  *
  4.  *   Image library definitions for the Common UNIX Printing System (CUPS).
  5.  *
  6.  *   Copyright 2007 by Apple Inc.
  7.  *   Copyright 1993-2006 by Easy Software Products.
  8.  *
  9.  *   These coded instructions, statements, and computer programs are the
  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/".
  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>
  26. #  include "raster.h"
  27.  
  28. #  ifdef __cplusplus
  29. extern "C" {
  30. #  endif /* __cplusplus */
  31.  
  32. /*
  33.  * Constants...
  34.  */
  35.  
  36. typedef 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.  
  46.  
  47. /*
  48.  * Types and structures...
  49.  */
  50.  
  51. typedef unsigned char cups_ib_t;    /**** Image byte ****/
  52.  
  53. struct cups_image_s;
  54. typedef struct cups_image_s cups_image_t;
  55.                     /**** Image file data ****/
  56.  
  57. struct cups_izoom_s;
  58. typedef struct cups_izoom_s cups_izoom_t;
  59.                     /**** Image zoom data ****/
  60.  
  61.  
  62. /*
  63.  * Prototypes...
  64.  */
  65.  
  66. extern void        cupsImageClose(cups_image_t *img);
  67. extern void        cupsImageCMYKToBlack(const cups_ib_t *in,
  68.                                  cups_ib_t *out, int count);
  69. extern void        cupsImageCMYKToCMY(const cups_ib_t *in,
  70.                                cups_ib_t *out, int count);
  71. extern void        cupsImageCMYKToCMYK(const cups_ib_t *in,
  72.                                 cups_ib_t *out, int count);
  73. extern void        cupsImageCMYKToRGB(const cups_ib_t *in,
  74.                                cups_ib_t *out, int count);
  75. extern void        cupsImageCMYKToWhite(const cups_ib_t *in,
  76.                                  cups_ib_t *out, int count);
  77. extern int        cupsImageGetCol(cups_image_t *img, int x, int y,
  78.                             int height, cups_ib_t *pixels);
  79. extern cups_icspace_t    cupsImageGetColorSpace(cups_image_t *img);
  80. extern int        cupsImageGetDepth(cups_image_t *img);
  81. extern unsigned        cupsImageGetHeight(cups_image_t *img);
  82. extern int        cupsImageGetRow(cups_image_t *img, int x, int y,
  83.                             int width, cups_ib_t *pixels);
  84. extern unsigned        cupsImageGetWidth(cups_image_t *img);
  85. extern unsigned        cupsImageGetXPPI(cups_image_t *img);
  86. extern unsigned        cupsImageGetYPPI(cups_image_t *img);
  87. extern void        cupsImageLut(cups_ib_t *pixels, int count,
  88.                          const cups_ib_t *lut);
  89. extern cups_image_t    *cupsImageOpen(const char *filename,
  90.                            cups_icspace_t primary,
  91.                        cups_icspace_t secondary,
  92.                            int saturation, int hue,
  93.                        const cups_ib_t *lut);
  94. extern void        cupsImageRGBAdjust(cups_ib_t *pixels, int count,
  95.                                int saturation, int hue);
  96. extern void        cupsImageRGBToBlack(const cups_ib_t *in,
  97.                                 cups_ib_t *out, int count);
  98. extern void        cupsImageRGBToCMY(const cups_ib_t *in,
  99.                               cups_ib_t *out, int count);
  100. extern void        cupsImageRGBToCMYK(const cups_ib_t *in,
  101.                                cups_ib_t *out, int count);
  102. extern void        cupsImageRGBToRGB(const cups_ib_t *in,
  103.                               cups_ib_t *out, int count);
  104. extern void        cupsImageRGBToWhite(const cups_ib_t *in,
  105.                                 cups_ib_t *out, int count);
  106. extern void        cupsImageSetMaxTiles(cups_image_t *img, int max_tiles);
  107. extern void        cupsImageSetProfile(float d, float g,
  108.                                 float matrix[3][3]);
  109. extern void        cupsImageSetRasterColorSpace(cups_cspace_t cs);
  110. extern void        cupsImageWhiteToBlack(const cups_ib_t *in,
  111.                                   cups_ib_t *out, int count);
  112. extern void        cupsImageWhiteToCMY(const cups_ib_t *in,
  113.                                 cups_ib_t *out, int count);
  114. extern void        cupsImageWhiteToCMYK(const cups_ib_t *in,
  115.                                  cups_ib_t *out, int count);
  116. extern void        cupsImageWhiteToRGB(const cups_ib_t *in,
  117.                                 cups_ib_t *out, int count);
  118. extern void        cupsImageWhiteToWhite(const cups_ib_t *in,
  119.                                   cups_ib_t *out, int count);
  120.  
  121.  
  122. #  ifdef __cplusplus
  123. }
  124. #  endif /* __cplusplus */
  125.  
  126. #endif /* !_CUPS_IMAGE_H_ */
  127.  
  128. /*
  129.  * End of "$Id: image.h 7721 2008-07-11 22:48:49Z mike $".
  130.  */
  131.