cups/raster.h

   1 /*
   2  * "$Id$"
   3  *
   4  *   Raster file definitions for CUPS.
   5  *
   6  *   Copyright 2007-2012 by Apple Inc.
   7  *   Copyright 1997-2006 by Easy Software Products.
   8  *
   9  *   This file is part of the CUPS Imaging library.
  10  *
  11  *   These coded instructions, statements, and computer programs are the
  12  *   property of Apple Inc. and are protected by Federal copyright
  13  *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  14  *   which should have been included with this file.  If this file is
  15  *   file is missing or damaged, see the license at "http://www.cups.org/".
  16  *
  17  *   This file is subject to the Apple OS-Developed Software exception.
  18  */
  19
  20 #ifndef _CUPS_RASTER_H_
  21 #  define _CUPS_RASTER_H_
  22
  23 /*
  24  * Include necessary headers...
  25  */
  26
  27 #  include "cups.h"
  28 #  include "ppd.h"
  29
  30
  31 #  ifdef __cplusplus
  32 extern "C" {
  33 #  endif /* __cplusplus */
  34
  35 /*
  36  * Every non-PostScript printer driver that supports raster images
  37  * should use the application/vnd.cups-raster image file format.
  38  * Since both the PostScript RIP (pstoraster, based on GNU/GPL
  39  * Ghostscript) and Image RIP (imagetoraster, located in the filter
  40  * directory) use it, using this format saves you a lot of work.
  41  * Also, the PostScript RIP passes any printer options that are in
  42  * a PS file to your driver this way as well...
  43  */
  44
  45 /*
  46  * Constants...
  47  */
  48
  49 #  define CUPS_RASTER_SYNC      0x52615333      /* RaS3 */
  50 #  define CUPS_RASTER_REVSYNC   0x33536152      /* 3SaR */
  51
  52 #  define CUPS_RASTER_SYNCv1    0x52615374      /* RaSt */
  53 #  define CUPS_RASTER_REVSYNCv1 0x74536152      /* tSaR */
  54
  55 #  define CUPS_RASTER_SYNCv2    0x52615332      /* RaS2 */
  56 #  define CUPS_RASTER_REVSYNCv2 0x32536152      /* 2SaR */
  57
  58 #  define CUPS_RASTER_SYNC_PWG  CUPS_RASTER_SYNCv2
  59
  60
  61 /*
  62  * The following definition can be used to determine if the
  63  * colorimetric colorspaces (CIEXYZ, CIELAB, and ICCn) are
  64  * defined...
  65  */
  66
  67 #  define CUPS_RASTER_HAVE_COLORIMETRIC 1
  68
  69 /*
  70  * The following definition can be used to determine if the
  71  * device colorspaces (DEVICEn) are defined...
  72  */
  73
  74 #  define CUPS_RASTER_HAVE_DEVICE 1
  75
  76 /*
  77  * The following definition can be used to determine if PWG Raster is supported.
  78  */
  79
  80 #  define CUPS_RASTER_HAVE_PWGRASTER 1
  81
  82
  83 /*
  84  * Types...
  85  */
  86
  87 typedef enum cups_adv_e                 /**** AdvanceMedia attribute values ****/
  88 {
  89   CUPS_ADVANCE_NONE = 0,                /* Never advance the roll */
  90   CUPS_ADVANCE_FILE = 1,                /* Advance the roll after this file */
  91   CUPS_ADVANCE_JOB = 2,                 /* Advance the roll after this job */
  92   CUPS_ADVANCE_SET = 3,                 /* Advance the roll after this set */
  93   CUPS_ADVANCE_PAGE = 4                 /* Advance the roll after this page */
  94 } cups_adv_t;
  95
  96 typedef enum cups_bool_e                /**** Boolean type ****/
  97 {
  98   CUPS_FALSE = 0,                       /* Logical false */
  99   CUPS_TRUE = 1                         /* Logical true */
 100 } cups_bool_t;
 101
 102 typedef enum cups_cspace_e              /**** cupsColorSpace attribute values ****/
 103 {
 104   CUPS_CSPACE_W = 0,                    /* Luminance (DeviceGray, gamma 2.2 by default) */
 105   CUPS_CSPACE_RGB = 1,                  /* Red, green, blue (DeviceRGB, sRGB by default) */
 106   CUPS_CSPACE_RGBA = 2,                 /* Red, green, blue, alpha (DeviceRGB, sRGB by default) */
 107   CUPS_CSPACE_K = 3,                    /* Black (DeviceK) */
 108   CUPS_CSPACE_CMY = 4,                  /* Cyan, magenta, yellow (DeviceCMY) */
 109   CUPS_CSPACE_YMC = 5,                  /* Yellow, magenta, cyan @deprecated@ */
 110   CUPS_CSPACE_CMYK = 6,                 /* Cyan, magenta, yellow, black (DeviceCMYK) */
 111   CUPS_CSPACE_YMCK = 7,                 /* Yellow, magenta, cyan, black @deprecated@ */
 112   CUPS_CSPACE_KCMY = 8,                 /* Black, cyan, magenta, yellow @deprecated@ */
 113   CUPS_CSPACE_KCMYcm = 9,               /* Black, cyan, magenta, yellow, light-cyan, light-magenta @deprecated@ */
 114   CUPS_CSPACE_GMCK = 10,                /* Gold, magenta, yellow, black @deprecated@ */
 115   CUPS_CSPACE_GMCS = 11,                /* Gold, magenta, yellow, silver @deprecated@ */
 116   CUPS_CSPACE_WHITE = 12,               /* White ink (as black) @deprecated@ */
 117   CUPS_CSPACE_GOLD = 13,                /* Gold foil @deprecated@ */
 118   CUPS_CSPACE_SILVER = 14,              /* Silver foil @deprecated@ */
 119
 120   CUPS_CSPACE_CIEXYZ = 15,              /* CIE XYZ @since CUPS 1.1.19/OS X 10.3@ */
 121   CUPS_CSPACE_CIELab = 16,              /* CIE Lab @since CUPS 1.1.19/OS X 10.3@ */
 122   CUPS_CSPACE_RGBW = 17,                /* Red, green, blue, white (DeviceRGB, sRGB by default) @since CUPS 1.2/OS X 10.5@ */
 123   CUPS_CSPACE_SW = 18,                  /* Luminance (gamma 2.2) @since CUPS 1.4.5@ */
 124   CUPS_CSPACE_SRGB = 19,                /* Red, green, blue (sRGB) @since CUPS 1.4.5@ */
 125   CUPS_CSPACE_ADOBERGB = 20,            /* Red, green, blue (Adobe RGB) @since CUPS 1.4.5@ */
 126
 127   CUPS_CSPACE_ICC1 = 32,                /* ICC-based, 1 color @since CUPS 1.1.19/OS X 10.3@ */
 128   CUPS_CSPACE_ICC2 = 33,                /* ICC-based, 2 colors @since CUPS 1.1.19/OS X 10.3@ */
 129   CUPS_CSPACE_ICC3 = 34,                /* ICC-based, 3 colors @since CUPS 1.1.19/OS X 10.3@ */
 130   CUPS_CSPACE_ICC4 = 35,                /* ICC-based, 4 colors @since CUPS 1.1.19/OS X 10.3@ */
 131   CUPS_CSPACE_ICC5 = 36,                /* ICC-based, 5 colors @since CUPS 1.1.19/OS X 10.3@ */
 132   CUPS_CSPACE_ICC6 = 37,                /* ICC-based, 6 colors @since CUPS 1.1.19/OS X 10.3@ */
 133   CUPS_CSPACE_ICC7 = 38,                /* ICC-based, 7 colors @since CUPS 1.1.19/OS X 10.3@ */
 134   CUPS_CSPACE_ICC8 = 39,                /* ICC-based, 8 colors @since CUPS 1.1.19/OS X 10.3@ */
 135   CUPS_CSPACE_ICC9 = 40,                /* ICC-based, 9 colors @since CUPS 1.1.19/OS X 10.3@ */
 136   CUPS_CSPACE_ICCA = 41,                /* ICC-based, 10 colors @since CUPS 1.1.19/OS X 10.3@ */
 137   CUPS_CSPACE_ICCB = 42,                /* ICC-based, 11 colors @since CUPS 1.1.19/OS X 10.3@ */
 138   CUPS_CSPACE_ICCC = 43,                /* ICC-based, 12 colors @since CUPS 1.1.19/OS X 10.3@ */
 139   CUPS_CSPACE_ICCD = 44,                /* ICC-based, 13 colors @since CUPS 1.1.19/OS X 10.3@ */
 140   CUPS_CSPACE_ICCE = 45,                /* ICC-based, 14 colors @since CUPS 1.1.19/OS X 10.3@ */
 141   CUPS_CSPACE_ICCF = 46,                /* ICC-based, 15 colors @since CUPS 1.1.19/OS X 10.3@ */
 142
 143   CUPS_CSPACE_DEVICE1 = 48,             /* DeviceN, 1 color @since CUPS 1.4.5@ */
 144   CUPS_CSPACE_DEVICE2 = 49,             /* DeviceN, 2 colors @since CUPS 1.4.5@ */
 145   CUPS_CSPACE_DEVICE3 = 50,             /* DeviceN, 3 colors @since CUPS 1.4.5@ */
 146   CUPS_CSPACE_DEVICE4 = 51,             /* DeviceN, 4 colors @since CUPS 1.4.5@ */
 147   CUPS_CSPACE_DEVICE5 = 52,             /* DeviceN, 5 colors @since CUPS 1.4.5@ */
 148   CUPS_CSPACE_DEVICE6 = 53,             /* DeviceN, 6 colors @since CUPS 1.4.5@ */
 149   CUPS_CSPACE_DEVICE7 = 54,             /* DeviceN, 7 colors @since CUPS 1.4.5@ */
 150   CUPS_CSPACE_DEVICE8 = 55,             /* DeviceN, 8 colors @since CUPS 1.4.5@ */
 151   CUPS_CSPACE_DEVICE9 = 56,             /* DeviceN, 9 colors @since CUPS 1.4.5@ */
 152   CUPS_CSPACE_DEVICEA = 57,             /* DeviceN, 10 colors @since CUPS 1.4.5@ */
 153   CUPS_CSPACE_DEVICEB = 58,             /* DeviceN, 11 colors @since CUPS 1.4.5@ */
 154   CUPS_CSPACE_DEVICEC = 59,             /* DeviceN, 12 colors @since CUPS 1.4.5@ */
 155   CUPS_CSPACE_DEVICED = 60,             /* DeviceN, 13 colors @since CUPS 1.4.5@ */
 156   CUPS_CSPACE_DEVICEE = 61,             /* DeviceN, 14 colors @since CUPS 1.4.5@ */
 157   CUPS_CSPACE_DEVICEF = 62              /* DeviceN, 15 colors @since CUPS 1.4.5@ */
 158 } cups_cspace_t;
 159
 160 typedef enum cups_cut_e                 /**** CutMedia attribute values ****/
 161 {
 162   CUPS_CUT_NONE = 0,                    /* Never cut the roll */
 163   CUPS_CUT_FILE = 1,                    /* Cut the roll after this file */
 164   CUPS_CUT_JOB = 2,                     /* Cut the roll after this job */
 165   CUPS_CUT_SET = 3,                     /* Cut the roll after this set */
 166   CUPS_CUT_PAGE = 4                     /* Cut the roll after this page */
 167 } cups_cut_t;
 168
 169 typedef enum cups_edge_e                /**** LeadingEdge attribute values ****/
 170 {
 171   CUPS_EDGE_TOP = 0,                    /* Leading edge is the top of the page */
 172   CUPS_EDGE_RIGHT = 1,                  /* Leading edge is the right of the page */
 173   CUPS_EDGE_BOTTOM = 2,                 /* Leading edge is the bottom of the page */
 174   CUPS_EDGE_LEFT = 3                    /* Leading edge is the left of the page */
 175 } cups_edge_t;
 176
 177 typedef enum cups_jog_e                 /**** Jog attribute values ****/
 178 {
 179   CUPS_JOG_NONE = 0,                    /* Never move pages */
 180   CUPS_JOG_FILE = 1,                    /* Move pages after this file */
 181   CUPS_JOG_JOB = 2,                     /* Move pages after this job */
 182   CUPS_JOG_SET = 3                      /* Move pages after this set */
 183 } cups_jog_t;
 184
 185 enum cups_mode_e                        /**** cupsRasterOpen modes ****/
 186 {
 187   CUPS_RASTER_READ = 0,                 /* Open stream for reading */
 188   CUPS_RASTER_WRITE = 1,                /* Open stream for writing */
 189   CUPS_RASTER_WRITE_COMPRESSED = 2,     /* Open stream for compressed writing @since CUPS 1.3/OS X 10.5@ */
 190   CUPS_RASTER_WRITE_PWG = 3             /* Open stream for compressed writing in PWG mode @since CUPS 1.5/OS X 10.7@ */
 191 };
 192
 193 typedef enum cups_mode_e cups_mode_t;   /**** cupsRasterOpen modes ****/
 194
 195 typedef enum cups_order_e               /**** cupsColorOrder attribute values ****/
 196 {
 197   CUPS_ORDER_CHUNKED = 0,               /* CMYK CMYK CMYK ... */
 198   CUPS_ORDER_BANDED = 1,                /* CCC MMM YYY KKK ... */
 199   CUPS_ORDER_PLANAR = 2                 /* CCC ... MMM ... YYY ... KKK ... */
 200 } cups_order_t;
 201
 202 typedef enum cups_orient_e              /**** Orientation attribute values ****/
 203 {
 204   CUPS_ORIENT_0 = 0,                    /* Don't rotate the page */
 205   CUPS_ORIENT_90 = 1,                   /* Rotate the page counter-clockwise */
 206   CUPS_ORIENT_180 = 2,                  /* Turn the page upside down */
 207   CUPS_ORIENT_270 = 3                   /* Rotate the page clockwise */
 208 } cups_orient_t;
 209
 210
 211 /*
 212  * The page header structure contains the standard PostScript page device
 213  * dictionary, along with some CUPS-specific parameters that are provided
 214  * by the RIPs...
 215  *
 216  * The API supports a "version 1" (from CUPS 1.0 and 1.1) and a "version 2"
 217  * (from CUPS 1.2 and higher) page header, for binary compatibility.
 218  */
 219
 220 typedef struct cups_page_header_s       /**** Version 1 page header @deprecated@ ****/
 221 {
 222   /**** Standard Page Device Dictionary String Values ****/
 223   char          MediaClass[64];         /* MediaClass string */
 224   char          MediaColor[64];         /* MediaColor string */
 225   char          MediaType[64];          /* MediaType string */
 226   char          OutputType[64];         /* OutputType string */
 227
 228   /**** Standard Page Device Dictionary Integer Values ****/
 229   unsigned      AdvanceDistance;        /* AdvanceDistance value in points */
 230   cups_adv_t    AdvanceMedia;           /* AdvanceMedia value (@link cups_adv_t@) */
 231   cups_bool_t   Collate;                /* Collated copies value */
 232   cups_cut_t    CutMedia;               /* CutMedia value (@link cups_cut_t@) */
 233   cups_bool_t   Duplex;                 /* Duplexed (double-sided) value */
 234   unsigned      HWResolution[2];        /* Resolution in dots-per-inch */
 235   unsigned      ImagingBoundingBox[4];  /* Pixel region that is painted (points, left, bottom, right, top) */
 236   cups_bool_t   InsertSheet;            /* InsertSheet value */
 237   cups_jog_t    Jog;                    /* Jog value (@link cups_jog_t@) */
 238   cups_edge_t   LeadingEdge;            /* LeadingEdge value (@link cups_edge_t@) */
 239   unsigned      Margins[2];             /* Lower-lefthand margins in points */
 240   cups_bool_t   ManualFeed;             /* ManualFeed value */
 241   unsigned      MediaPosition;          /* MediaPosition value */
 242   unsigned      MediaWeight;            /* MediaWeight value in grams/m^2 */
 243   cups_bool_t   MirrorPrint;            /* MirrorPrint value */
 244   cups_bool_t   NegativePrint;          /* NegativePrint value */
 245   unsigned      NumCopies;              /* Number of copies to produce */
 246   cups_orient_t Orientation;            /* Orientation value (@link cups_orient_t@) */
 247   cups_bool_t   OutputFaceUp;           /* OutputFaceUp value */
 248   unsigned      PageSize[2];            /* Width and length of page in points */
 249   cups_bool_t   Separations;            /* Separations value */
 250   cups_bool_t   TraySwitch;             /* TraySwitch value */
 251   cups_bool_t   Tumble;                 /* Tumble value */
 252
 253   /**** CUPS Page Device Dictionary Values ****/
 254   unsigned      cupsWidth;              /* Width of page image in pixels */
 255   unsigned      cupsHeight;             /* Height of page image in pixels */
 256   unsigned      cupsMediaType;          /* Media type code */
 257   unsigned      cupsBitsPerColor;       /* Number of bits for each color */
 258   unsigned      cupsBitsPerPixel;       /* Number of bits for each pixel */
 259   unsigned      cupsBytesPerLine;       /* Number of bytes per line */
 260   cups_order_t  cupsColorOrder;         /* Order of colors */
 261   cups_cspace_t cupsColorSpace;         /* True colorspace */
 262   unsigned      cupsCompression;        /* Device compression to use */
 263   unsigned      cupsRowCount;           /* Rows per band */
 264   unsigned      cupsRowFeed;            /* Feed between bands */
 265   unsigned      cupsRowStep;            /* Spacing between lines */
 266 } cups_page_header_t;
 267
 268 /**** New in CUPS 1.2 ****/
 269 typedef struct cups_page_header2_s      /**** Version 2 page header @since CUPS 1.2/OS X 10.5@ ****/
 270 {
 271   /**** Standard Page Device Dictionary String Values ****/
 272   char          MediaClass[64];         /* MediaClass string */
 273   char          MediaColor[64];         /* MediaColor string */
 274   char          MediaType[64];          /* MediaType string */
 275   char          OutputType[64];         /* OutputType string */
 276
 277   /**** Standard Page Device Dictionary Integer Values ****/
 278   unsigned      AdvanceDistance;        /* AdvanceDistance value in points */
 279   cups_adv_t    AdvanceMedia;           /* AdvanceMedia value (@link cups_adv_t@) */
 280   cups_bool_t   Collate;                /* Collated copies value */
 281   cups_cut_t    CutMedia;               /* CutMedia value (@link cups_cut_t@) */
 282   cups_bool_t   Duplex;                 /* Duplexed (double-sided) value */
 283   unsigned      HWResolution[2];        /* Resolution in dots-per-inch */
 284   unsigned      ImagingBoundingBox[4];  /* Pixel region that is painted (points, left, bottom, right, top) */
 285   cups_bool_t   InsertSheet;            /* InsertSheet value */
 286   cups_jog_t    Jog;                    /* Jog value (@link cups_jog_t@) */
 287   cups_edge_t   LeadingEdge;            /* LeadingEdge value (@link cups_edge_t@) */
 288   unsigned      Margins[2];             /* Lower-lefthand margins in points */
 289   cups_bool_t   ManualFeed;             /* ManualFeed value */
 290   unsigned      MediaPosition;          /* MediaPosition value */
 291   unsigned      MediaWeight;            /* MediaWeight value in grams/m^2 */
 292   cups_bool_t   MirrorPrint;            /* MirrorPrint value */
 293   cups_bool_t   NegativePrint;          /* NegativePrint value */
 294   unsigned      NumCopies;              /* Number of copies to produce */
 295   cups_orient_t Orientation;            /* Orientation value (@link cups_orient_t@) */
 296   cups_bool_t   OutputFaceUp;           /* OutputFaceUp value */
 297   unsigned      PageSize[2];            /* Width and length of page in points */
 298   cups_bool_t   Separations;            /* Separations value */
 299   cups_bool_t   TraySwitch;             /* TraySwitch value */
 300   cups_bool_t   Tumble;                 /* Tumble value */
 301
 302   /**** CUPS Page Device Dictionary Values ****/
 303   unsigned      cupsWidth;              /* Width of page image in pixels */
 304   unsigned      cupsHeight;             /* Height of page image in pixels */
 305   unsigned      cupsMediaType;          /* Media type code */
 306   unsigned      cupsBitsPerColor;       /* Number of bits for each color */
 307   unsigned      cupsBitsPerPixel;       /* Number of bits for each pixel */
 308   unsigned      cupsBytesPerLine;       /* Number of bytes per line */
 309   cups_order_t  cupsColorOrder;         /* Order of colors */
 310   cups_cspace_t cupsColorSpace;         /* True colorspace */
 311   unsigned      cupsCompression;        /* Device compression to use */
 312   unsigned      cupsRowCount;           /* Rows per band */
 313   unsigned      cupsRowFeed;            /* Feed between bands */
 314   unsigned      cupsRowStep;            /* Spacing between lines */
 315
 316   /**** Version 2 Dictionary Values ****/
 317   unsigned      cupsNumColors;          /* Number of color compoents @since CUPS 1.2/OS X 10.5@ */
 318   float         cupsBorderlessScalingFactor;
 319                                         /* Scaling that was applied to page data @since CUPS 1.2/OS X 10.5@ */
 320   float         cupsPageSize[2];        /* Floating point PageSize (scaling *
 321                                          * factor not applied) @since CUPS 1.2/OS X 10.5@ */
 322   float         cupsImagingBBox[4];     /* Floating point ImagingBoundingBox
 323                                          * (scaling factor not applied, left,
 324                                          * bottom, right, top) @since CUPS 1.2/OS X 10.5@ */
 325   unsigned      cupsInteger[16];        /* User-defined integer values @since CUPS 1.2/OS X 10.5@ */
 326   float         cupsReal[16];           /* User-defined floating-point values @since CUPS 1.2/OS X 10.5@ */
 327   char          cupsString[16][64];     /* User-defined string values @since CUPS 1.2/OS X 10.5@ */
 328   char          cupsMarkerType[64];     /* Ink/toner type @since CUPS 1.2/OS X 10.5@ */
 329   char          cupsRenderingIntent[64];/* Color rendering intent @since CUPS 1.2/OS X 10.5@ */
 330   char          cupsPageSizeName[64];   /* PageSize name @since CUPS 1.2/OS X 10.5@ */
 331 } cups_page_header2_t;
 332
 333 typedef struct _cups_raster_s cups_raster_t;
 334                                         /**** Raster stream data ****/
 335
 336 typedef int (*cups_interpret_cb_t)(cups_page_header2_t *header, int preferred_bits);
 337                                         /**** cupsRasterInterpretPPD callback function
 338                                          *
 339                                          * This function is called by
 340                                          * @link cupsRasterInterpretPPD@ to
 341                                          * validate (and update, as needed)
 342                                          * the page header attributes. The
 343                                          * "preferred_bits" argument provides
 344                                          * the value of the
 345                                          * @code cupsPreferredBitsPerColor@
 346                                          * key from the PostScript page device
 347                                          * dictionary and is 0 if undefined.
 348                                          ****/
 349
 350 /**** New in CUPS 1.5 ****/
 351 typedef ssize_t (*cups_raster_iocb_t)(void *ctx, unsigned char *buffer, size_t length);
 352                                         /**** cupsRasterOpenIO callback function
 353                                          *
 354                                          * This function is specified when
 355                                          * creating a raster stream with
 356                                          * @link cupsRasterOpenIO@ and handles
 357                                          * generic reading and writing of raster
 358                                          * data. It must return -1 on error or
 359                                          * the number of bytes specified by
 360                                          * "length" on success.
 361                                          ****/
 362
 363
 364 /*
 365  * Prototypes...
 366  */
 367
 368 extern void             cupsRasterClose(cups_raster_t *r);
 369 extern cups_raster_t    *cupsRasterOpen(int fd, cups_mode_t mode);
 370 extern unsigned         cupsRasterReadHeader(cups_raster_t *r,
 371                                              cups_page_header_t *h) _CUPS_DEPRECATED_MSG("Use cupsRasterReadHeader2 instead.");
 372 extern unsigned         cupsRasterReadPixels(cups_raster_t *r,
 373                                              unsigned char *p, unsigned len);
 374 extern unsigned         cupsRasterWriteHeader(cups_raster_t *r,
 375                                               cups_page_header_t *h) _CUPS_DEPRECATED_MSG("Use cupsRasterWriteHeader2 instead.");
 376 extern unsigned         cupsRasterWritePixels(cups_raster_t *r,
 377                                               unsigned char *p, unsigned len);
 378
 379 /**** New in CUPS 1.2 ****/
 380 extern int              cupsRasterInterpretPPD(cups_page_header2_t *h,
 381                                                ppd_file_t *ppd,
 382                                                int num_options,
 383                                                cups_option_t *options,
 384                                                cups_interpret_cb_t func) _CUPS_API_1_2;
 385 extern unsigned         cupsRasterReadHeader2(cups_raster_t *r,
 386                                               cups_page_header2_t *h) _CUPS_API_1_2;
 387 extern unsigned         cupsRasterWriteHeader2(cups_raster_t *r,
 388                                                cups_page_header2_t *h) _CUPS_API_1_2;
 389
 390 /**** New in CUPS 1.3 ****/
 391 extern const char       *cupsRasterErrorString(void) _CUPS_API_1_3;
 392
 393 /**** New in CUPS 1.5 ****/
 394 extern cups_raster_t    *cupsRasterOpenIO(cups_raster_iocb_t iocb, void *ctx,
 395                                           cups_mode_t mode);
 396
 397 #  ifdef __cplusplus
 398 }
 399 #  endif /* __cplusplus */
 400
 401 #endif /* !_CUPS_RASTER_H_ */
 402
 403 /*
 404  * End of "$Id$".
 405  */