src/xpm/xpm.h

   1 /*
   2  * Copyright (C) 1989-95 GROUPE BULL
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to
   6  * deal in the Software without restriction, including without limitation the
   7  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   8  * sell copies of the Software, and to permit persons to whom the Software is
   9  * furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  17  * GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  18  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20  *
  21  * Except as contained in this notice, the name of GROUPE BULL shall not be
  22  * used in advertising or otherwise to promote the sale, use or other dealings
  23  * in this Software without prior written authorization from GROUPE BULL.
  24  */
  25
  26 /*****************************************************************************\
  27 * xpm.h:                                                                      *
  28 *                                                                             *
  29 *  XPM library                                                                *
  30 *  Include file                                                               *
  31 *                                                                             *
  32 *  Developed by Arnaud Le Hors                                                *
  33 \*****************************************************************************/
  34
  35 /*
  36  * The code related to FOR_MSW has been added by
  37  * HeDu (hedu@cul-ipn.uni-kiel.de) 4/94
  38  */
  39
  40 /*
  41  * The code related to AMIGA has been added by
  42  * Lorens Younes (d93-hyo@nada.kth.se) 4/96
  43  */
  44
  45 #ifndef XPM_h
  46 #define XPM_h
  47
  48 #if (defined(_WINDOWS) || defined(__WXMSW__) || defined(WIN32)) && !defined(FOR_MSW)
  49 #define FOR_MSW
  50 #endif
  51 /* Piggyback on MSW for now */
  52 #if (defined(__OS2__) || defined(__WXPM__) || defined(OS232)) && !defined(FOR_MSW)
  53 #define FOR_MSW
  54 #endif
  55
  56 /*
  57  * first some identification numbers:
  58  * the version and revision numbers are determined with the following rule:
  59  * SO Major number = LIB minor version number.
  60  * SO Minor number = LIB sub-minor version number.
  61  * e.g: Xpm version 3.2f
  62  *      we forget the 3 which is the format number, 2 gives 2, and f gives 6.
  63  *      thus we have XpmVersion = 2 and XpmRevision = 6
  64  *      which gives  SOXPMLIBREV = 2.6
  65  *
  66  * Then the XpmIncludeVersion number is built from these numbers.
  67  */
  68 #define XpmFormat 3
  69 #define XpmVersion 4
  70 #define XpmRevision 11
  71 #define XpmIncludeVersion ((XpmFormat * 100 + XpmVersion) * 100 + XpmRevision)
  72
  73 #ifndef XPM_NUMBERS
  74
  75 #ifdef FOR_MSW
  76 # define SYSV                   /* uses memcpy string.h etc. */
  77 # include <malloc.h>
  78 # include "simx.h"              /* defines some X stuff using MSW types */
  79 #define NEED_STRCASECMP         /* at least for MSVC++ */
  80 #else /* FOR_MSW */
  81 # ifdef AMIGA
  82 #  include "amigax.h"
  83 # else /* not AMIGA */
  84 #  include <X11/Xlib.h>
  85 #  include <X11/Xutil.h>
  86 # endif /* not AMIGA */
  87 #endif /* FOR_MSW */
  88
  89 /* let's define Pixel if it is not done yet */
  90 #if ! defined(_XtIntrinsic_h) && ! defined(PIXEL_ALREADY_TYPEDEFED)
  91 typedef unsigned long Pixel;    /* Index into colormap */
  92 # define PIXEL_ALREADY_TYPEDEFED
  93 #endif
  94
  95 /* make sure we know whether function prototypes are needed or not */
  96 #ifndef NeedFunctionPrototypes
  97 # if defined(__STDC__) || defined(__cplusplus) || defined(c_plusplus)
  98 #  define NeedFunctionPrototypes 1
  99 # else
 100 #  define NeedFunctionPrototypes 0
 101 # endif
 102 #endif
 103
 104
 105 /* Return ErrorStatus codes:
 106  * null     if full success
 107  * positive if partial success
 108  * negative if failure
 109  */
 110
 111 #define XpmColorError    1
 112 #define XpmSuccess       0
 113 #define XpmOpenFailed   -1
 114 #define XpmFileInvalid  -2
 115 #define XpmNoMemory     -3
 116 #define XpmColorFailed  -4
 117
 118 typedef struct {
 119     char *name;                 /* Symbolic color name */
 120     char *value;                /* Color value */
 121     Pixel pixel;                /* Color pixel */
 122 }      XpmColorSymbol;
 123
 124 typedef struct {
 125     char *name;                 /* name of the extension */
 126     unsigned int nlines;        /* number of lines in this extension */
 127     char **lines;               /* pointer to the extension array of strings */
 128 }      XpmExtension;
 129
 130 typedef struct {
 131     char *string;               /* characters string */
 132     char *symbolic;             /* symbolic name */
 133     char *m_color;              /* monochrom default */
 134     char *g4_color;             /* 4 level grayscale default */
 135     char *g_color;              /* other level grayscale default */
 136     char *c_color;              /* color default */
 137 }      XpmColor;
 138
 139 typedef struct {
 140     unsigned int width;         /* image width */
 141     unsigned int height;        /* image height */
 142     unsigned int cpp;           /* number of characters per pixel */
 143     unsigned int ncolors;       /* number of colors */
 144     XpmColor *colorTable;       /* list of related colors */
 145     unsigned int *data;         /* image data */
 146 }      XpmImage;
 147
 148 typedef struct {
 149     unsigned long valuemask;    /* Specifies which attributes are defined */
 150     char *hints_cmt;            /* Comment of the hints section */
 151     char *colors_cmt;           /* Comment of the colors section */
 152     char *pixels_cmt;           /* Comment of the pixels section */
 153     unsigned int x_hotspot;     /* Returns the x hotspot's coordinate */
 154     unsigned int y_hotspot;     /* Returns the y hotspot's coordinate */
 155     unsigned int nextensions;   /* number of extensions */
 156     XpmExtension *extensions;   /* pointer to array of extensions */
 157 }      XpmInfo;
 158
 159 typedef int (*XpmAllocColorFunc)(
 160 #if NeedFunctionPrototypes
 161     Display*                    /* display */,
 162     Colormap                    /* colormap */,
 163     char*                       /* colorname */,
 164     XColor*                     /* xcolor */,
 165     void*                       /* closure */
 166 #endif
 167 );
 168
 169 typedef int (*XpmFreeColorsFunc)(
 170 #if NeedFunctionPrototypes
 171     Display*                    /* display */,
 172     Colormap                    /* colormap */,
 173     Pixel*                      /* pixels */,
 174     int                         /* npixels */,
 175     void*                       /* closure */
 176 #endif
 177 );
 178
 179 typedef struct {
 180     unsigned long valuemask;            /* Specifies which attributes are
 181                                            defined */
 182
 183     Visual *visual;                     /* Specifies the visual to use */
 184     Colormap colormap;                  /* Specifies the colormap to use */
 185     unsigned int depth;                 /* Specifies the depth */
 186     unsigned int width;                 /* Returns the width of the created
 187                                            pixmap */
 188     unsigned int height;                /* Returns the height of the created
 189                                            pixmap */
 190     unsigned int x_hotspot;             /* Returns the x hotspot's
 191                                            coordinate */
 192     unsigned int y_hotspot;             /* Returns the y hotspot's
 193                                            coordinate */
 194     unsigned int cpp;                   /* Specifies the number of char per
 195                                            pixel */
 196     Pixel *pixels;                      /* List of used color pixels */
 197     unsigned int npixels;               /* Number of used pixels */
 198     XpmColorSymbol *colorsymbols;       /* List of color symbols to override */
 199     unsigned int numsymbols;            /* Number of symbols */
 200     char *rgb_fname;                    /* RGB text file name */
 201     unsigned int nextensions;           /* Number of extensions */
 202     XpmExtension *extensions;           /* List of extensions */
 203
 204     unsigned int ncolors;               /* Number of colors */
 205     XpmColor *colorTable;               /* List of colors */
 206 /* 3.2 backward compatibility code */
 207     char *hints_cmt;                    /* Comment of the hints section */
 208     char *colors_cmt;                   /* Comment of the colors section */
 209     char *pixels_cmt;                   /* Comment of the pixels section */
 210 /* end 3.2 bc */
 211     unsigned int mask_pixel;            /* Color table index of transparent
 212                                            color */
 213
 214     /* Color Allocation Directives */
 215     Bool exactColors;                   /* Only use exact colors for visual */
 216     unsigned int closeness;             /* Allowable RGB deviation */
 217     unsigned int red_closeness;         /* Allowable red deviation */
 218     unsigned int green_closeness;       /* Allowable green deviation */
 219     unsigned int blue_closeness;        /* Allowable blue deviation */
 220     int color_key;                      /* Use colors from this color set */
 221
 222     Pixel *alloc_pixels;                /* Returns the list of alloc'ed color
 223                                            pixels */
 224     int nalloc_pixels;                  /* Returns the number of alloc'ed
 225                                            color pixels */
 226
 227     Bool alloc_close_colors;            /* Specify whether close colors should
 228                                            be allocated using XAllocColor
 229                                            or not */
 230     int bitmap_format;                  /* Specify the format of 1bit depth
 231                                            images: ZPixmap or XYBitmap */
 232
 233     /* Color functions */
 234     XpmAllocColorFunc alloc_color;      /* Application color allocator */
 235     XpmFreeColorsFunc free_colors;      /* Application color de-allocator */
 236     void *color_closure;                /* Application private data to pass to
 237                                            alloc_color and free_colors */
 238
 239 }      XpmAttributes;
 240
 241 /* XpmAttributes value masks bits */
 242 #define XpmVisual          (1L<<0)
 243 #define XpmColormap        (1L<<1)
 244 #define XpmDepth           (1L<<2)
 245 #define XpmSize            (1L<<3)      /* width & height */
 246 #define XpmHotspot         (1L<<4)      /* x_hotspot & y_hotspot */
 247 #define XpmCharsPerPixel   (1L<<5)
 248 #define XpmColorSymbols    (1L<<6)
 249 #define XpmRgbFilename     (1L<<7)
 250 /* 3.2 backward compatibility code */
 251 #define XpmInfos           (1L<<8)
 252 #define XpmReturnInfos     XpmInfos
 253 /* end 3.2 bc */
 254 #define XpmReturnPixels    (1L<<9)
 255 #define XpmExtensions      (1L<<10)
 256 #define XpmReturnExtensions XpmExtensions
 257
 258 #define XpmExactColors     (1L<<11)
 259 #define XpmCloseness       (1L<<12)
 260 #define XpmRGBCloseness    (1L<<13)
 261 #define XpmColorKey        (1L<<14)
 262
 263 #define XpmColorTable      (1L<<15)
 264 #define XpmReturnColorTable XpmColorTable
 265
 266 #define XpmReturnAllocPixels (1L<<16)
 267 #define XpmAllocCloseColors (1L<<17)
 268 #define XpmBitmapFormat    (1L<<18)
 269
 270 #define XpmAllocColor      (1L<<19)
 271 #define XpmFreeColors      (1L<<20)
 272 #define XpmColorClosure    (1L<<21)
 273
 274
 275 /* XpmInfo value masks bits */
 276 #define XpmComments        XpmInfos
 277 #define XpmReturnComments  XpmComments
 278
 279 /* XpmAttributes mask_pixel value when there is no mask */
 280 #ifndef FOR_MSW
 281 #define XpmUndefPixel 0x80000000
 282 #else
 283 /* int is only 16 bit for MSW */
 284 #define XpmUndefPixel 0x8000
 285 #endif
 286
 287 /*
 288  * color keys for visual type, they must fit along with the number key of
 289  * each related element in xpmColorKeys[] defined in XpmI.h
 290  */
 291 #define XPM_MONO        2
 292 #define XPM_GREY4       3
 293 #define XPM_GRAY4       3
 294 #define XPM_GREY        4
 295 #define XPM_GRAY        4
 296 #define XPM_COLOR       5
 297
 298
 299 /* macros for forward declarations of functions with prototypes */
 300 #if NeedFunctionPrototypes
 301 #define FUNC(f, t, p) extern t f p
 302 #define LFUNC(f, t, p) static t f p
 303 #else
 304 #define FUNC(f, t, p) extern t f()
 305 #define LFUNC(f, t, p) static t f()
 306 #endif
 307
 308
 309 /*
 310  * functions declarations
 311  */
 312
 313 #ifdef __cplusplus
 314 extern "C" {
 315 #endif
 316
 317 /* FOR_MSW, all ..Pixmap.. are excluded, only the ..XImage.. are used */
 318 /* Same for Amiga! */
 319
 320 #if !defined(FOR_MSW) && !defined(AMIGA)
 321     FUNC(XpmCreatePixmapFromData, int, (Display *display,
 322                                         Drawable d,
 323                                         char **data,
 324                                         Pixmap *pixmap_return,
 325                                         Pixmap *shapemask_return,
 326                                         XpmAttributes *attributes));
 327
 328     FUNC(XpmCreateDataFromPixmap, int, (Display *display,
 329                                         char ***data_return,
 330                                         Pixmap pixmap,
 331                                         Pixmap shapemask,
 332                                         XpmAttributes *attributes));
 333
 334     FUNC(XpmReadFileToPixmap, int, (Display *display,
 335                                     Drawable d,
 336                                     char *filename,
 337                                     Pixmap *pixmap_return,
 338                                     Pixmap *shapemask_return,
 339                                     XpmAttributes *attributes));
 340
 341     FUNC(XpmWriteFileFromPixmap, int, (Display *display,
 342                                        char *filename,
 343                                        Pixmap pixmap,
 344                                        Pixmap shapemask,
 345                                        XpmAttributes *attributes));
 346 #endif
 347
 348     FUNC(XpmCreateImageFromData, int, (Display *display,
 349                                        char **data,
 350                                        XImage **image_return,
 351                                        XImage **shapemask_return,
 352                                        XpmAttributes *attributes));
 353
 354     FUNC(XpmCreateDataFromImage, int, (Display *display,
 355                                        char ***data_return,
 356                                        XImage *image,
 357                                        XImage *shapeimage,
 358                                        XpmAttributes *attributes));
 359
 360     FUNC(XpmReadFileToImage, int, (Display *display,
 361                                    char *filename,
 362                                    XImage **image_return,
 363                                    XImage **shapeimage_return,
 364                                    XpmAttributes *attributes));
 365
 366     FUNC(XpmWriteFileFromImage, int, (Display *display,
 367                                       char *filename,
 368                                       XImage *image,
 369                                       XImage *shapeimage,
 370                                       XpmAttributes *attributes));
 371
 372     FUNC(XpmCreateImageFromBuffer, int, (Display *display,
 373                                          char *buffer,
 374                                          XImage **image_return,
 375                                          XImage **shapemask_return,
 376                                          XpmAttributes *attributes));
 377 #if !defined(FOR_MSW) && !defined(AMIGA)
 378     FUNC(XpmCreatePixmapFromBuffer, int, (Display *display,
 379                                           Drawable d,
 380                                           char *buffer,
 381                                           Pixmap *pixmap_return,
 382                                           Pixmap *shapemask_return,
 383                                           XpmAttributes *attributes));
 384
 385     FUNC(XpmCreateBufferFromImage, int, (Display *display,
 386                                          char **buffer_return,
 387                                          XImage *image,
 388                                          XImage *shapeimage,
 389                                          XpmAttributes *attributes));
 390
 391     FUNC(XpmCreateBufferFromPixmap, int, (Display *display,
 392                                           char **buffer_return,
 393                                           Pixmap pixmap,
 394                                           Pixmap shapemask,
 395                                           XpmAttributes *attributes));
 396 #endif
 397     FUNC(XpmReadFileToBuffer, int, (char *filename, char **buffer_return));
 398     FUNC(XpmWriteFileFromBuffer, int, (char *filename, char *buffer));
 399
 400     FUNC(XpmReadFileToData, int, (char *filename, char ***data_return));
 401     FUNC(XpmWriteFileFromData, int, (char *filename, char **data));
 402
 403     FUNC(XpmAttributesSize, int, ());
 404     FUNC(XpmFreeAttributes, void, (XpmAttributes *attributes));
 405     FUNC(XpmFreeExtensions, void, (XpmExtension *extensions,
 406                                    int nextensions));
 407
 408     FUNC(XpmFreeXpmImage, void, (XpmImage *image));
 409     FUNC(XpmFreeXpmInfo, void, (XpmInfo *info));
 410     FUNC(XpmGetErrorString, char *, (int errcode));
 411     FUNC(XpmLibraryVersion, int, ());
 412
 413     /* XpmImage functions */
 414     FUNC(XpmReadFileToXpmImage, int, (char *filename,
 415                                       XpmImage *image,
 416                                       XpmInfo *info));
 417
 418     FUNC(XpmWriteFileFromXpmImage, int, (char *filename,
 419                                          XpmImage *image,
 420                                          XpmInfo *info));
 421 #if !defined(FOR_MSW) && !defined(AMIGA)
 422     FUNC(XpmCreatePixmapFromXpmImage, int, (Display *display,
 423                                             Drawable d,
 424                                             XpmImage *image,
 425                                             Pixmap *pixmap_return,
 426                                             Pixmap *shapemask_return,
 427                                             XpmAttributes *attributes));
 428 #endif
 429     FUNC(XpmCreateImageFromXpmImage, int, (Display *display,
 430                                            XpmImage *image,
 431                                            XImage **image_return,
 432                                            XImage **shapeimage_return,
 433                                            XpmAttributes *attributes));
 434
 435     FUNC(XpmCreateXpmImageFromImage, int, (Display *display,
 436                                            XImage *image,
 437                                            XImage *shapeimage,
 438                                            XpmImage *xpmimage,
 439                                            XpmAttributes *attributes));
 440 #if !defined(FOR_MSW) && !defined(AMIGA)
 441     FUNC(XpmCreateXpmImageFromPixmap, int, (Display *display,
 442                                             Pixmap pixmap,
 443                                             Pixmap shapemask,
 444                                             XpmImage *xpmimage,
 445                                             XpmAttributes *attributes));
 446 #endif
 447     FUNC(XpmCreateDataFromXpmImage, int, (char ***data_return,
 448                                           XpmImage *image,
 449                                           XpmInfo *info));
 450
 451     FUNC(XpmCreateXpmImageFromData, int, (char **data,
 452                                           XpmImage *image,
 453                                           XpmInfo *info));
 454
 455     FUNC(XpmCreateXpmImageFromBuffer, int, (char *buffer,
 456                                             XpmImage *image,
 457                                             XpmInfo *info));
 458
 459     FUNC(XpmCreateBufferFromXpmImage, int, (char **buffer_return,
 460                                             XpmImage *image,
 461                                             XpmInfo *info));
 462
 463     FUNC(XpmGetParseError, int, (char *filename,
 464                                  int *linenum_return,
 465                                  int *charnum_return));
 466
 467     FUNC(XpmFree, void, (void *ptr));
 468
 469 #ifdef __cplusplus
 470 } /* for C++ V2.0 */
 471 #endif
 472
 473
 474 /* backward compatibility */
 475
 476 /* for version 3.0c */
 477 #define XpmPixmapColorError  XpmColorError
 478 #define XpmPixmapSuccess     XpmSuccess
 479 #define XpmPixmapOpenFailed  XpmOpenFailed
 480 #define XpmPixmapFileInvalid XpmFileInvalid
 481 #define XpmPixmapNoMemory    XpmNoMemory
 482 #define XpmPixmapColorFailed XpmColorFailed
 483
 484 #define XpmReadPixmapFile(dpy, d, file, pix, mask, att) \
 485     XpmReadFileToPixmap(dpy, d, file, pix, mask, att)
 486 #define XpmWritePixmapFile(dpy, file, pix, mask, att) \
 487     XpmWriteFileFromPixmap(dpy, file, pix, mask, att)
 488
 489 /* for version 3.0b */
 490 #define PixmapColorError  XpmColorError
 491 #define PixmapSuccess     XpmSuccess
 492 #define PixmapOpenFailed  XpmOpenFailed
 493 #define PixmapFileInvalid XpmFileInvalid
 494 #define PixmapNoMemory    XpmNoMemory
 495 #define PixmapColorFailed XpmColorFailed
 496
 497 #define ColorSymbol XpmColorSymbol
 498
 499 #define XReadPixmapFile(dpy, d, file, pix, mask, att) \
 500     XpmReadFileToPixmap(dpy, d, file, pix, mask, att)
 501 #define XWritePixmapFile(dpy, file, pix, mask, att) \
 502     XpmWriteFileFromPixmap(dpy, file, pix, mask, att)
 503 #define XCreatePixmapFromData(dpy, d, data, pix, mask, att) \
 504     XpmCreatePixmapFromData(dpy, d, data, pix, mask, att)
 505 #define XCreateDataFromPixmap(dpy, data, pix, mask, att) \
 506     XpmCreateDataFromPixmap(dpy, data, pix, mask, att)
 507
 508 #endif /* XPM_NUMBERS */
 509 #endif