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   1 /* $XConsortium: Xcms.h,v 1.15 92/11/19 16:43:04 rws Exp $ */
   2
   3 /*
   4  * Code and supporting documentation (c) Copyright 1990 1991 Tektronix, Inc.
   5  *      All Rights Reserved
   6  *
   7  * This file is a component of an X Window System-specific implementation
   8  * of Xcms based on the TekColor Color Management System.  Permission is
   9  * hereby granted to use, copy, modify, sell, and otherwise distribute this
  10  * software and its documentation for any purpose and without fee, provided
  11  * that this copyright, permission, and disclaimer notice is reproduced in
  12  * all copies of this software and in supporting documentation.  TekColor
  13  * is a trademark of Tektronix, Inc.
  14  *
  15  * Tektronix makes no representation about the suitability of this software
  16  * for any purpose.  It is provided "as is" and with all faults.
  17  *
  18  * TEKTRONIX DISCLAIMS ALL WARRANTIES APPLICABLE TO THIS SOFTWARE,
  19  * INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE.  IN NO EVENT SHALL TEKTRONIX BE LIABLE FOR ANY
  21  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
  22  * RESULTING FROM LOSS OF USE, DATA, OR PROFITS, WHETHER IN AN ACTION OF
  23  * CONTRACT, NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  24  * CONNECTION WITH THE USE OR THE PERFORMANCE OF THIS SOFTWARE.
  25  *
  26  *
  27  *      DESCRIPTION
  28  *              Public include file for X Color Management System
  29  */
  30 #ifndef _XCMS_H_
  31 #define _XCMS_H_
  32
  33     /*
  34      * XCMS Status Values
  35      */
  36 #define XcmsFailure                     0
  37 #define XcmsSuccess                     1
  38 #define XcmsSuccessWithCompression      2
  39
  40     /*
  41      * Color Space Format ID's
  42      *    Color Space ID's are of XcmsColorFormat type.
  43      *
  44      *    bit 31
  45      *      0 == Device-Independent
  46      *      1 == Device-Dependent
  47      *
  48      *    bit 30:
  49      *      0 == Registered with X Consortium
  50      *      1 == Unregistered
  51      */
  52 #define XcmsUndefinedFormat     (XcmsColorFormat)0x00000000
  53 #define XcmsCIEXYZFormat        (XcmsColorFormat)0x00000001
  54 #define XcmsCIEuvYFormat        (XcmsColorFormat)0x00000002
  55 #define XcmsCIExyYFormat        (XcmsColorFormat)0x00000003
  56 #define XcmsCIELabFormat        (XcmsColorFormat)0x00000004
  57 #define XcmsCIELuvFormat        (XcmsColorFormat)0x00000005
  58 #define XcmsTekHVCFormat        (XcmsColorFormat)0x00000006
  59 #define XcmsRGBFormat           (XcmsColorFormat)0x80000000
  60 #define XcmsRGBiFormat          (XcmsColorFormat)0x80000001
  61
  62     /*
  63      * State of XcmsPerScrnInfo
  64      */
  65 #define XcmsInitNone            0x00    /* no initialization attempted */
  66 #define XcmsInitSuccess         0x01    /* initialization successful */
  67 #define XcmsInitFailure         0xff    /* failure, use defaults */
  68
  69 #define DisplayOfCCC(ccc)               ((ccc)->dpy)
  70 #define ScreenNumberOfCCC(ccc)          ((ccc)->screenNumber)
  71 #define VisualOfCCC(ccc)                ((ccc)->visual)
  72 #define ClientWhitePointOfCCC(ccc)      (&(ccc)->clientWhitePt)
  73 #define ScreenWhitePointOfCCC(ccc)      (&(ccc)->pPerScrnInfo->screenWhitePt)
  74 #define FunctionSetOfCCC(ccc)           ((ccc)->pPerScrnInfo->functionSet)
  75
  76 typedef unsigned long XcmsColorFormat;  /* Color Space Format ID */
  77
  78 typedef double XcmsFloat;
  79
  80     /*
  81      * Device RGB
  82      */
  83 typedef struct {
  84     unsigned short red;         /* scaled from 0x0000 to 0xffff */
  85     unsigned short green;       /* scaled from 0x0000 to 0xffff */
  86     unsigned short blue;        /* scaled from 0x0000 to 0xffff */
  87 } XcmsRGB;
  88
  89     /*
  90      * RGB Intensity
  91      */
  92 typedef struct {
  93     XcmsFloat red;      /* 0.0 - 1.0 */
  94     XcmsFloat green;    /* 0.0 - 1.0 */
  95     XcmsFloat blue;     /* 0.0 - 1.0 */
  96 } XcmsRGBi;
  97
  98     /*
  99      * CIE XYZ
 100      */
 101 typedef struct {
 102     XcmsFloat X;
 103     XcmsFloat Y;
 104     XcmsFloat Z;
 105 } XcmsCIEXYZ;
 106
 107     /*
 108      * CIE u'v'Y
 109      */
 110 typedef struct {
 111     XcmsFloat u_prime;          /* 0.0 - 1.0 */
 112     XcmsFloat v_prime;          /* 0.0 - 1.0 */
 113     XcmsFloat Y;                /* 0.0 - 1.0 */
 114 } XcmsCIEuvY;
 115
 116     /*
 117      * CIE xyY
 118      */
 119 typedef struct {
 120     XcmsFloat x;                /* 0.0 - 1.0 */
 121     XcmsFloat y;                /* 0.0 - 1.0 */
 122     XcmsFloat Y;                /* 0.0 - 1.0 */
 123 } XcmsCIExyY;
 124
 125     /*
 126      * CIE L*a*b*
 127      */
 128 typedef struct {
 129     XcmsFloat L_star;           /* 0.0 - 100.0 */
 130     XcmsFloat a_star;
 131     XcmsFloat b_star;
 132 } XcmsCIELab;
 133
 134     /*
 135      * CIE L*u*v*
 136      */
 137 typedef struct {
 138     XcmsFloat L_star;           /* 0.0 - 100.0 */
 139     XcmsFloat u_star;
 140     XcmsFloat v_star;
 141 } XcmsCIELuv;
 142
 143     /*
 144      * TekHVC
 145      */
 146 typedef struct {
 147     XcmsFloat H;                /* 0.0 - 360.0 */
 148     XcmsFloat V;                /* 0.0 - 100.0 */
 149     XcmsFloat C;                /* 0.0 - 100.0 */
 150 } XcmsTekHVC;
 151
 152     /*
 153      * PAD
 154      */
 155 typedef struct {
 156     XcmsFloat pad0;
 157     XcmsFloat pad1;
 158     XcmsFloat pad2;
 159     XcmsFloat pad3;
 160 } XcmsPad;
 161
 162
 163     /*
 164      * XCMS Color Structure
 165      */
 166 typedef struct {
 167     union {
 168         XcmsRGB RGB;
 169         XcmsRGBi RGBi;
 170         XcmsCIEXYZ CIEXYZ;
 171         XcmsCIEuvY CIEuvY;
 172         XcmsCIExyY CIExyY;
 173         XcmsCIELab CIELab;
 174         XcmsCIELuv CIELuv;
 175         XcmsTekHVC TekHVC;
 176         XcmsPad Pad;
 177     } spec;                     /* the color specification      */
 178     unsigned long pixel;        /* pixel value (as needed)      */
 179     XcmsColorFormat     format;         /* the specification format     */
 180 } XcmsColor;
 181
 182
 183     /*
 184      * XCMS Per Screen related data
 185      */
 186
 187 typedef struct _XcmsPerScrnInfo {
 188     XcmsColor   screenWhitePt;  /* Screen White point */
 189     XPointer    functionSet;    /* pointer to Screen Color Characterization */
 190                                 /*      Function Set structure          */
 191     XPointer    screenData;     /* pointer to corresponding Screen Color*/
 192                                 /*      Characterization Data           */
 193     unsigned char state;   /* XcmsInitNone, XcmsInitSuccess, XcmsInitFailure */
 194     char        pad[3];
 195 } XcmsPerScrnInfo;
 196
 197 typedef struct _XcmsCCC *XcmsCCC;
 198
 199 typedef Status (*XcmsCompressionProc)(          /* Gamut Compression Proc */
 200 #if NeedFunctionPrototypes
 201     XcmsCCC             /* ccc */,
 202     XcmsColor*          /* colors_in_out */,
 203     unsigned int        /* ncolors */,
 204     unsigned int        /* index */,
 205     Bool*               /* compression_flags_return */
 206 #endif
 207 );
 208
 209 typedef Status (*XcmsWhiteAdjustProc)(          /* White Point Adjust Proc */
 210 #if NeedFunctionPrototypes
 211     XcmsCCC             /* ccc */,
 212     XcmsColor*          /* initial_white_point*/,
 213     XcmsColor*          /* target_white_point*/,
 214     XcmsColorFormat     /* target_format */,
 215     XcmsColor*          /* colors_in_out */,
 216     unsigned int        /* ncolors */,
 217     Bool*               /* compression_flags_return */
 218 #endif
 219 );
 220
 221     /*
 222      * XCMS Color Conversion Context
 223      */
 224 typedef struct _XcmsCCC {
 225     Display     *dpy;                   /* X Display */
 226     int         screenNumber;           /* X screen number */
 227     Visual      *visual;                /* X Visual */
 228     XcmsColor   clientWhitePt;          /* Client White Point */
 229     XcmsCompressionProc gamutCompProc;  /* Gamut Compression Function */
 230     XPointer    gamutCompClientData;    /* Gamut Comp Func Client Data */
 231     XcmsWhiteAdjustProc whitePtAdjProc; /* White Point Adjustment Function */
 232     XPointer    whitePtAdjClientData;   /* White Pt Adj Func Client Data */
 233     XcmsPerScrnInfo *pPerScrnInfo;      /* pointer to per screen information */
 234                                         /*  associated with the above display */
 235                                         /*  screenNumber */
 236 } XcmsCCCRec;
 237
 238 typedef Status (*XcmsScreenInitProc)(   /* Screen Initialization Proc */
 239 #if NeedFunctionPrototypes
 240     Display*            /* dpy */,
 241     int                 /* screen_number */,
 242     XcmsPerScrnInfo*    /* screen_info */
 243 #endif
 244 );
 245
 246 typedef void (*XcmsScreenFreeProc)(
 247 #if NeedFunctionPrototypes
 248     XPointer            /* screenData */
 249 #endif
 250 );
 251
 252     /*
 253      * Function List Pointer -- pointer to an array of function pointers.
 254      *    The end of list is indicated by a NULL pointer.
 255      */
 256 typedef Status (*XcmsConversionProc)();
 257 typedef XcmsConversionProc *XcmsFuncListPtr;
 258
 259 typedef int (*XcmsParseStringProc)(     /* Color String Parsing Proc */
 260 #if NeedFunctionPrototypes
 261     char*               /* color_string */,
 262     XcmsColor*          /* color_return */
 263 #endif
 264 );
 265
 266     /*
 267      * Color Space -- per Color Space related data (Device-Independent
 268      *    or Device-Dependent)
 269      */
 270 typedef struct _XcmsColorSpace {
 271     char *prefix;               /* Prefix of string format.             */
 272     XcmsColorFormat id;         /* Format ID number.                    */
 273     XcmsParseStringProc parseString;
 274                                 /* String format parsing function       */
 275     XcmsFuncListPtr to_CIEXYZ;  /* Pointer to an array of function      */
 276                                 /*   pointers such that when the        */
 277                                 /*   functions are executed in sequence */
 278                                 /*   will convert a XcmsColor structure */
 279                                 /*   from this color space to CIEXYZ    */
 280                                 /*   space.                             */
 281     XcmsFuncListPtr from_CIEXYZ;/* Pointer to an array of function      */
 282                                 /*   pointers such that when the        */
 283                                 /*   functions are executed in sequence */
 284                                 /*   will convert a XcmsColor structure */
 285                                 /*   from CIEXYZ space to this color    */
 286                                 /*   space.                             */
 287     int inverse_flag;           /* If 1, indicates that for 0 <= i < n  */
 288                                 /*   where n is the number of function  */
 289                                 /*   pointers in the lists to_CIEXYZ    */
 290                                 /*   and from_CIEXYZ; for each function */
 291                                 /*   to_CIEXYZ[i] its inverse function  */
 292                                 /*   is from_CIEXYZ[n - i].             */
 293
 294 } XcmsColorSpace;
 295
 296     /*
 297      * Screen Color Characterization Function Set -- per device class
 298      *    color space conversion functions.
 299      */
 300 typedef struct _XcmsFunctionSet {
 301     XcmsColorSpace **DDColorSpaces;
 302                                 /* Pointer to an array of pointers to   */
 303                                 /*   Device-DEPENDENT color spaces      */
 304                                 /*   understood by this SCCFuncSet.     */
 305     XcmsScreenInitProc screenInitProc;
 306                                 /* Screen initialization function that  */
 307                                 /*   reads Screen Color Characterization*/
 308                                 /*   Data off properties on the screen's*/
 309                                 /*   root window.                       */
 310     XcmsScreenFreeProc screenFreeProc;
 311                                 /* Function that frees the SCCData      */
 312                                 /*   structures.                        */
 313 } XcmsFunctionSet;
 314
 315 _XFUNCPROTOBEGIN
 316
 317 extern Status XcmsAddColorSpace (
 318 #if NeedFunctionPrototypes
 319     XcmsColorSpace*     /* pColorSpace */
 320 #endif
 321 );
 322
 323 extern Status XcmsAddFunctionSet (
 324 #if NeedFunctionPrototypes
 325     XcmsFunctionSet*    /* functionSet */
 326 #endif
 327 );
 328
 329 extern Status XcmsAllocColor (
 330 #if NeedFunctionPrototypes
 331     Display*            /* dpy */,
 332     Colormap            /* colormap */,
 333     XcmsColor*          /* color_in_out */,
 334     XcmsColorFormat             /* result_format */
 335 #endif
 336 );
 337
 338 extern Status XcmsAllocNamedColor (
 339 #if NeedFunctionPrototypes
 340     Display*            /* dpy */,
 341     Colormap            /* colormap */,
 342     _Xconst char*       /* color_string */,
 343     XcmsColor*          /* color_scrn_return */,
 344     XcmsColor*          /* color_exact_return */,
 345     XcmsColorFormat             /* result_format */
 346 #endif
 347 );
 348
 349 extern XcmsCCC XcmsCCCOfColormap (
 350 #if NeedFunctionPrototypes
 351     Display*            /* dpy */,
 352     Colormap            /* colormap */
 353 #endif
 354 );
 355
 356 extern Status XcmsCIELabClipab(
 357 #if NeedFunctionPrototypes
 358     XcmsCCC             /* ccc */,
 359     XcmsColor*          /* colors_in_out */,
 360     unsigned int        /* ncolors */,
 361     unsigned int        /* index */,
 362     Bool*               /* compression_flags_return */
 363 #endif
 364 );
 365
 366 extern Status XcmsCIELabClipL(
 367 #if NeedFunctionPrototypes
 368     XcmsCCC             /* ccc */,
 369     XcmsColor*          /* colors_in_out */,
 370     unsigned int        /* ncolors */,
 371     unsigned int        /* index */,
 372     Bool*               /* compression_flags_return */
 373 #endif
 374 );
 375
 376 extern Status XcmsCIELabClipLab(
 377 #if NeedFunctionPrototypes
 378     XcmsCCC             /* ccc */,
 379     XcmsColor*          /* colors_in_out */,
 380     unsigned int        /* ncolors */,
 381     unsigned int        /* index */,
 382     Bool*               /* compression_flags_return */
 383 #endif
 384 );
 385
 386 extern Status XcmsCIELabQueryMaxC (
 387 #if NeedFunctionPrototypes
 388     XcmsCCC             /* ccc */,
 389     XcmsFloat           /* hue_angle */,
 390     XcmsFloat           /* L_star */,
 391     XcmsColor*          /* color_return */
 392 #endif
 393 );
 394
 395 extern Status XcmsCIELabQueryMaxL (
 396 #if NeedFunctionPrototypes
 397     XcmsCCC             /* ccc */,
 398     XcmsFloat           /* hue_angle */,
 399     XcmsFloat           /* chroma */,
 400     XcmsColor*          /* color_return */
 401 #endif
 402 );
 403
 404 extern Status XcmsCIELabQueryMaxLC (
 405 #if NeedFunctionPrototypes
 406     XcmsCCC             /* ccc */,
 407     XcmsFloat           /* hue_angle */,
 408     XcmsColor*          /* color_return */
 409 #endif
 410 );
 411
 412 extern Status XcmsCIELabQueryMinL (
 413 #if NeedFunctionPrototypes
 414     XcmsCCC             /* ccc */,
 415     XcmsFloat           /* hue_angle */,
 416     XcmsFloat           /* chroma */,
 417     XcmsColor*          /* color_return */
 418 #endif
 419 );
 420
 421 extern Status XcmsCIELabToCIEXYZ (
 422 #if NeedFunctionPrototypes
 423     XcmsCCC             /* ccc */,
 424     XcmsColor*          /* white_point */,
 425     XcmsColor*          /* colors */,
 426     unsigned int        /* ncolors */
 427 #endif
 428 );
 429
 430 extern Status XcmsCIELabWhiteShiftColors(
 431 #if NeedFunctionPrototypes
 432     XcmsCCC             /* ccc */,
 433     XcmsColor*          /* initial_white_point*/,
 434     XcmsColor*          /* target_white_point*/,
 435     XcmsColorFormat     /* target_format */,
 436     XcmsColor*          /* colors_in_out */,
 437     unsigned int        /* ncolors */,
 438     Bool*               /* compression_flags_return */
 439 #endif
 440 );
 441
 442 extern Status XcmsCIELuvClipL(
 443 #if NeedFunctionPrototypes
 444     XcmsCCC             /* ccc */,
 445     XcmsColor*          /* colors_in_out */,
 446     unsigned int        /* ncolors */,
 447     unsigned int        /* index */,
 448     Bool*               /* compression_flags_return */
 449 #endif
 450 );
 451
 452 extern Status XcmsCIELuvClipLuv(
 453 #if NeedFunctionPrototypes
 454     XcmsCCC             /* ccc */,
 455     XcmsColor*          /* colors_in_out */,
 456     unsigned int        /* ncolors */,
 457     unsigned int        /* index */,
 458     Bool*               /* compression_flags_return */
 459 #endif
 460 );
 461
 462 extern Status XcmsCIELuvClipuv(
 463 #if NeedFunctionPrototypes
 464     XcmsCCC             /* ccc */,
 465     XcmsColor*          /* colors_in_out */,
 466     unsigned int        /* ncolors */,
 467     unsigned int        /* index */,
 468     Bool*               /* compression_flags_return */
 469 #endif
 470 );
 471
 472 extern Status XcmsCIELuvQueryMaxC (
 473 #if NeedFunctionPrototypes
 474     XcmsCCC             /* ccc */,
 475     XcmsFloat           /* hue_angle */,
 476     XcmsFloat           /* L_star */,
 477     XcmsColor*          /* color_return */
 478 #endif
 479 );
 480
 481 extern Status XcmsCIELuvQueryMaxL (
 482 #if NeedFunctionPrototypes
 483     XcmsCCC             /* ccc */,
 484     XcmsFloat           /* hue_angle */,
 485     XcmsFloat           /* chroma */,
 486     XcmsColor*          /* color_return */
 487 #endif
 488 );
 489
 490 extern Status XcmsCIELuvQueryMaxLC (
 491 #if NeedFunctionPrototypes
 492     XcmsCCC             /* ccc */,
 493     XcmsFloat           /* hue_angle */,
 494     XcmsColor*          /* color_return */
 495 #endif
 496 );
 497
 498 extern Status XcmsCIELuvQueryMinL (
 499 #if NeedFunctionPrototypes
 500     XcmsCCC             /* ccc */,
 501     XcmsFloat           /* hue_angle */,
 502     XcmsFloat           /* chroma */,
 503     XcmsColor*          /* color_return */
 504 #endif
 505 );
 506
 507 extern Status XcmsCIELuvToCIEuvY (
 508 #if NeedFunctionPrototypes
 509     XcmsCCC             /* ccc */,
 510     XcmsColor*          /* white_point */,
 511     XcmsColor*          /* colors */,
 512     unsigned int        /* ncolors */
 513 #endif
 514 );
 515
 516 extern Status XcmsCIELuvWhiteShiftColors(
 517 #if NeedFunctionPrototypes
 518     XcmsCCC             /* ccc */,
 519     XcmsColor*          /* initial_white_point*/,
 520     XcmsColor*          /* target_white_point*/,
 521     XcmsColorFormat     /* target_format */,
 522     XcmsColor*          /* colors_in_out */,
 523     unsigned int        /* ncolors */,
 524     Bool*               /* compression_flags_return */
 525 #endif
 526 );
 527
 528 extern Status XcmsCIEXYZToCIELab (
 529 #if NeedFunctionPrototypes
 530     XcmsCCC             /* ccc */,
 531     XcmsColor*          /* white_point */,
 532     XcmsColor*          /* colors */,
 533     unsigned int        /* ncolors */
 534 #endif
 535 );
 536
 537 extern Status XcmsCIEXYZToCIEuvY (
 538 #if NeedFunctionPrototypes
 539     XcmsCCC             /* ccc */,
 540     XcmsColor*          /* white_point */,
 541     XcmsColor*          /* colors */,
 542     unsigned int        /* ncolors */
 543 #endif
 544 );
 545
 546 extern Status XcmsCIEXYZToCIExyY (
 547 #if NeedFunctionPrototypes
 548     XcmsCCC             /* ccc */,
 549     XcmsColor*          /* white_point */,
 550     XcmsColor*          /* colors */,
 551     unsigned int        /* ncolors */
 552 #endif
 553 );
 554
 555 extern Status XcmsCIEXYZToRGBi (
 556 #if NeedFunctionPrototypes
 557     XcmsCCC             /* ccc */,
 558     XcmsColor*          /* colors */,
 559     unsigned int        /* ncolors */,
 560     Bool*               /* compression_flags_return */
 561 #endif
 562 );
 563
 564 extern Status XcmsCIEuvYToCIELuv (
 565 #if NeedFunctionPrototypes
 566     XcmsCCC             /* ccc */,
 567     XcmsColor*          /* white_point */,
 568     XcmsColor*          /* colors */,
 569     unsigned int        /* ncolors */
 570 #endif
 571 );
 572
 573 extern Status XcmsCIEuvYToCIEXYZ (
 574 #if NeedFunctionPrototypes
 575     XcmsCCC             /* ccc */,
 576     XcmsColor*          /* white_point */,
 577     XcmsColor*          /* colors */,
 578     unsigned int        /* ncolors */
 579 #endif
 580 );
 581
 582 extern Status XcmsCIEuvYToTekHVC (
 583 #if NeedFunctionPrototypes
 584     XcmsCCC             /* ccc */,
 585     XcmsColor*          /* white_point */,
 586     XcmsColor*          /* colors */,
 587     unsigned int        /* ncolors */
 588 #endif
 589 );
 590
 591 extern Status XcmsCIExyYToCIEXYZ (
 592 #if NeedFunctionPrototypes
 593     XcmsCCC             /* ccc */,
 594     XcmsColor*          /* white_point */,
 595     XcmsColor*          /* colors */,
 596     unsigned int        /* ncolors */
 597 #endif
 598 );
 599
 600 extern XcmsColor *XcmsClientWhitePointOfCCC (
 601 #if NeedFunctionPrototypes
 602     XcmsCCC             /* ccc */
 603 #endif
 604 );
 605
 606 extern Status XcmsConvertColors (
 607 #if NeedFunctionPrototypes
 608     XcmsCCC             /* ccc */,
 609     XcmsColor*          /* colorArry_in_out */,
 610     unsigned int        /* nColors */,
 611     XcmsColorFormat             /* targetFormat */,
 612     Bool*               /* compArry_return */
 613 #endif
 614 );
 615
 616 extern XcmsCCC XcmsCreateCCC (
 617 #if NeedFunctionPrototypes
 618     Display*            /* dpy */,
 619     int                 /* screenNumber */,
 620     Visual*             /* visual */,
 621     XcmsColor*          /* clientWhitePt */,
 622     XcmsCompressionProc /* gamutCompProc */,
 623     XPointer            /* gamutCompClientData */,
 624     XcmsWhiteAdjustProc /* whitePtAdjProc */,
 625     XPointer            /* whitePtAdjClientData */
 626 #endif
 627 );
 628
 629 extern XcmsCCC XcmsDefaultCCC (
 630 #if NeedFunctionPrototypes
 631     Display*            /* dpy */,
 632     int                 /* screenNumber */
 633 #endif
 634 );
 635
 636 extern Display *XcmsDisplayOfCCC (
 637 #if NeedFunctionPrototypes
 638     XcmsCCC             /* ccc */
 639 #endif
 640 );
 641
 642 extern XcmsColorFormat XcmsFormatOfPrefix (
 643 #if NeedFunctionPrototypes
 644     char*               /* prefix */
 645 #endif
 646 );
 647
 648 extern void XcmsFreeCCC (
 649 #if NeedFunctionPrototypes
 650     XcmsCCC             /* ccc */
 651 #endif
 652 );
 653
 654 extern Status XcmsLookupColor (
 655 #if NeedFunctionPrototypes
 656     Display*            /* dpy */,
 657     Colormap            /* colormap */,
 658     _Xconst char*       /* color_string */,
 659     XcmsColor*          /* pColor_exact_in_out */,
 660     XcmsColor*          /* pColor_scrn_in_out */,
 661     XcmsColorFormat             /* result_format */
 662 #endif
 663 );
 664
 665 extern char *XcmsPrefixOfFormat (
 666 #if NeedFunctionPrototypes
 667     XcmsColorFormat             /* id */
 668 #endif
 669 );
 670
 671 extern Status XcmsQueryBlack (
 672 #if NeedFunctionPrototypes
 673     XcmsCCC             /* ccc */,
 674     XcmsColorFormat     /* target_format */,
 675     XcmsColor*          /* color_return */
 676 #endif
 677 );
 678
 679 extern Status XcmsQueryBlue (
 680 #if NeedFunctionPrototypes
 681     XcmsCCC             /* ccc */,
 682     XcmsColorFormat     /* target_format */,
 683     XcmsColor*          /* color_return */
 684 #endif
 685 );
 686
 687 extern Status XcmsQueryColor (
 688 #if NeedFunctionPrototypes
 689     Display*            /* dpy */,
 690     Colormap            /* colormap */,
 691     XcmsColor*          /* pColor_in_out */,
 692     XcmsColorFormat             /* result_format */
 693 #endif
 694 );
 695
 696 extern Status XcmsQueryColors (
 697 #if NeedFunctionPrototypes
 698     Display*            /* dpy */,
 699     Colormap            /* colormap */,
 700     XcmsColor*          /* colorArry_in_out */,
 701     unsigned int        /* nColors */,
 702     XcmsColorFormat     /* result_format */
 703 #endif
 704 );
 705
 706 extern Status XcmsQueryGreen (
 707 #if NeedFunctionPrototypes
 708     XcmsCCC             /* ccc */,
 709     XcmsColorFormat     /* target_format */,
 710     XcmsColor*          /* color_return */
 711 #endif
 712 );
 713
 714 extern Status XcmsQueryRed (
 715 #if NeedFunctionPrototypes
 716     XcmsCCC             /* ccc */,
 717     XcmsColorFormat     /* target_format */,
 718     XcmsColor*          /* color_return */
 719 #endif
 720 );
 721
 722 extern Status XcmsQueryWhite (
 723 #if NeedFunctionPrototypes
 724     XcmsCCC             /* ccc */,
 725     XcmsColorFormat     /* target_format */,
 726     XcmsColor*          /* color_return */
 727 #endif
 728 );
 729
 730 extern Status XcmsRGBiToCIEXYZ (
 731 #if NeedFunctionPrototypes
 732     XcmsCCC             /* ccc */,
 733     XcmsColor*          /* colors */,
 734     unsigned int        /* ncolors */,
 735     Bool*               /* compression_flags_return */
 736 #endif
 737 );
 738
 739 extern Status XcmsRGBiToRGB (
 740 #if NeedFunctionPrototypes
 741     XcmsCCC             /* ccc */,
 742     XcmsColor*          /* colors */,
 743     unsigned int        /* ncolors */,
 744     Bool*               /* compression_flags_return */
 745 #endif
 746 );
 747
 748 extern Status XcmsRGBToRGBi (
 749 #if NeedFunctionPrototypes
 750     XcmsCCC             /* ccc */,
 751     XcmsColor*          /* colors */,
 752     unsigned int        /* ncolors */,
 753     Bool*               /* compression_flags_return */
 754 #endif
 755 );
 756
 757 extern int XcmsScreenNumberOfCCC (
 758 #if NeedFunctionPrototypes
 759     XcmsCCC             /* ccc */
 760 #endif
 761 );
 762
 763 extern XcmsColor *XcmsScreenWhitePointOfCCC (
 764 #if NeedFunctionPrototypes
 765     XcmsCCC             /* ccc */
 766 #endif
 767 );
 768
 769 extern XcmsCCC XcmsSetCCCOfColormap(
 770 #if NeedFunctionPrototypes
 771     Display*            /* dpy */,
 772     Colormap            /* colormap */,
 773     XcmsCCC             /* ccc */
 774 #endif
 775 );
 776
 777 extern XcmsCompressionProc XcmsSetCompressionProc (
 778 #if NeedFunctionPrototypes
 779     XcmsCCC             /* ccc */,
 780     XcmsCompressionProc /* compression_proc */,
 781     XPointer            /* client_data */
 782 #endif
 783 );
 784
 785 extern XcmsWhiteAdjustProc XcmsSetWhiteAdjustProc (
 786 #if NeedFunctionPrototypes
 787     XcmsCCC             /* ccc */,
 788     XcmsWhiteAdjustProc /* white_adjust_proc */,
 789     XPointer            /* client_data */
 790 #endif
 791 );
 792
 793 extern Status XcmsSetWhitePoint (
 794 #if NeedFunctionPrototypes
 795     XcmsCCC             /* ccc */,
 796     XcmsColor*          /* color */
 797 #endif
 798 );
 799
 800 extern Status XcmsStoreColor (
 801 #if NeedFunctionPrototypes
 802     Display*            /* dpy */,
 803     Colormap            /* colormap */,
 804     XcmsColor*          /* pColor_in */
 805 #endif
 806 );
 807
 808 extern Status XcmsStoreColors (
 809 #if NeedFunctionPrototypes
 810     Display*            /* dpy */,
 811     Colormap            /* colormap */,
 812     XcmsColor*          /* colorArry_in */,
 813     unsigned int        /* nColors */,
 814     Bool*               /* compArry_return */
 815 #endif
 816 );
 817
 818 extern Status XcmsTekHVCClipC(
 819 #if NeedFunctionPrototypes
 820     XcmsCCC             /* ccc */,
 821     XcmsColor*          /* colors_in_out */,
 822     unsigned int        /* ncolors */,
 823     unsigned int        /* index */,
 824     Bool*               /* compression_flags_return */
 825 #endif
 826 );
 827
 828 extern Status XcmsTekHVCClipV(
 829 #if NeedFunctionPrototypes
 830     XcmsCCC             /* ccc */,
 831     XcmsColor*          /* colors_in_out */,
 832     unsigned int        /* ncolors */,
 833     unsigned int        /* index */,
 834     Bool*               /* compression_flags_return */
 835 #endif
 836 );
 837
 838 extern Status XcmsTekHVCClipVC(
 839 #if NeedFunctionPrototypes
 840     XcmsCCC             /* ccc */,
 841     XcmsColor*          /* colors_in_out */,
 842     unsigned int        /* ncolors */,
 843     unsigned int        /* index */,
 844     Bool*               /* compression_flags_return */
 845 #endif
 846 );
 847
 848 extern Status XcmsTekHVCQueryMaxC (
 849 #if NeedFunctionPrototypes
 850     XcmsCCC             /* ccc */,
 851     XcmsFloat           /* hue */,
 852     XcmsFloat           /* value */,
 853     XcmsColor*          /* color_return */
 854 #endif
 855 );
 856
 857 extern Status XcmsTekHVCQueryMaxV (
 858 #if NeedFunctionPrototypes
 859     XcmsCCC             /* ccc */,
 860     XcmsFloat           /* hue */,
 861     XcmsFloat           /* chroma */,
 862     XcmsColor*          /* color_return */
 863 #endif
 864 );
 865
 866 extern Status XcmsTekHVCQueryMaxVC (
 867 #if NeedFunctionPrototypes
 868     XcmsCCC             /* ccc */,
 869     XcmsFloat           /* hue */,
 870     XcmsColor*          /* color_return */
 871 #endif
 872 );
 873
 874 extern Status XcmsTekHVCQueryMaxVSamples (
 875 #if NeedFunctionPrototypes
 876     XcmsCCC             /* ccc */,
 877     XcmsFloat           /* hue */,
 878     XcmsColor*          /* colors_return */,
 879     unsigned int        /* nsamples */
 880 #endif
 881 );
 882
 883 extern Status XcmsTekHVCQueryMinV (
 884 #if NeedFunctionPrototypes
 885     XcmsCCC             /* ccc */,
 886     XcmsFloat           /* hue */,
 887     XcmsFloat           /* chroma */,
 888     XcmsColor*          /* color_return */
 889 #endif
 890 );
 891
 892 extern Status XcmsTekHVCToCIEuvY (
 893 #if NeedFunctionPrototypes
 894     XcmsCCC             /* ccc */,
 895     XcmsColor*          /* white_point */,
 896     XcmsColor*          /* colors */,
 897     unsigned int        /* ncolors */
 898 #endif
 899 );
 900
 901 extern Status XcmsTekHVCWhiteShiftColors(
 902 #if NeedFunctionPrototypes
 903     XcmsCCC             /* ccc */,
 904     XcmsColor*          /* initial_white_point*/,
 905     XcmsColor*          /* target_white_point*/,
 906     XcmsColorFormat     /* target_format */,
 907     XcmsColor*          /* colors_in_out */,
 908     unsigned int        /* ncolors */,
 909     Bool*               /* compression_flags_return */
 910 #endif
 911 );
 912
 913 extern Visual *XcmsVisualOfCCC (
 914 #if NeedFunctionPrototypes
 915     XcmsCCC             /* ccc */
 916 #endif
 917 );
 918
 919 _XFUNCPROTOEND
 920
 921 #endif /* _XCMS_H_ */