src/mac/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 /*
  49  * first some identification numbers:
  50  * the version and revision numbers are determined with the following rule:
  51  * SO Major number = LIB minor version number.
  52  * SO Minor number = LIB sub-minor version number.
  53  * e.g: Xpm version 3.2f
  54  *      we forget the 3 which is the format number, 2 gives 2, and f gives 6.
  55  *      thus we have XpmVersion = 2 and XpmRevision = 6
  56  *      which gives  SOXPMLIBREV = 2.6
  57  *
  58  * Then the XpmIncludeVersion number is built from these numbers.
  59  */
  60 #define XpmFormat 3
  61 #define XpmVersion 4
  62 #define XpmRevision 11
  63 #define XpmIncludeVersion ((XpmFormat * 100 + XpmVersion) * 100 + XpmRevision)
  64
  65 #ifndef XPM_NUMBERS
  66
  67 #ifdef FOR_MSW
  68 #define IS_EQUAL_PIXEL( a , b ) ( a == b )
  69 #define IS_ZERO_PIXEL(a) (!(a) )
  70 #define SET_ZERO_PIXEL(a) { (a)  = 0 }
  71 #define SET_WHITE_PIXEL(a) { (a)  = 0 }
  72 # define SYSV                   /* uses memcpy string.h etc. */
  73 # include <malloc.h>
  74 # include "simx.h"              /* defines some X stuff using MSW types */
  75 # define NEED_STRCASECMP                /* at least for MSVC++ */
  76 #elif AMIGA
  77 #define IS_EQUAL_PIXEL( a , b ) ( a == b )
  78 #define IS_ZERO_PIXEL(a) (!(a) )
  79 #define SET_ZERO_PIXEL(a) { (a)  = 0 }
  80 #define SET_WHITE_PIXEL(a) { (a)  = 0 }
  81 #  include "amigax.h"
  82 #elif macintosh
  83 #define IS_EQUAL_PIXEL( a , b ) ( (a).red == (b).red && (a).green == (b).green && (a).blue == (b).blue )
  84 #define IS_ZERO_PIXEL(a) (!(a).red && !(a).green && !(a).blue )
  85 #define SET_ZERO_PIXEL(a) { (a).red = 0 ; (a).green = 0 ;(a).blue = 0 ;}
  86 #define SET_WHITE_PIXEL(a) { (a).red = 0xFFFF ; (a).green = 0xFFFF ;(a).blue = 0xFFFF ;}
  87 #  include "simx.h"
  88 #  define NEED_STRCASECMP
  89 #  define NEED_STRDUP
  90 #else
  91 #define IS_EQUAL_PIXEL( a , b ) ( a == b )
  92 #define IS_ZERO_PIXEL(a) (!(a) )
  93 #define SET_ZERO_PIXEL(a) { (a)  = 0 }
  94 #define SET_WHITE_PIXEL(a) { (a)  = 0 }
  95 #  include <X11/Xlib.h>
  96 #  include <X11/Xutil.h>
  97 #endif
  98
  99 /* let's define Pixel if it is not done yet */
 100 #if ! defined(_XtIntrinsic_h) && ! defined(PIXEL_ALREADY_TYPEDEFED)
 101 typedef unsigned long Pixel;    /* Index into colormap */
 102 # define PIXEL_ALREADY_TYPEDEFED
 103 #endif
 104
 105 /* make sure we know whether function prototypes are needed or not */
 106 #ifndef NeedFunctionPrototypes
 107 # if defined(__STDC__) || defined(__cplusplus) || defined(c_plusplus)
 108 #  define NeedFunctionPrototypes 1
 109 # else
 110 #  define NeedFunctionPrototypes 0
 111 # endif
 112 #endif
 113
 114
 115 /* Return ErrorStatus codes:
 116  * null     if full success
 117  * positive if partial success
 118  * negative if failure
 119  */
 120
 121 #define XpmColorError    1
 122 #define XpmSuccess       0
 123 #define XpmOpenFailed   -1
 124 #define XpmFileInvalid  -2
 125 #define XpmNoMemory     -3
 126 #define XpmColorFailed  -4
 127
 128 typedef struct {
 129     char *name;                 /* Symbolic color name */
 130     char *value;                /* Color value */
 131     Pixel pixel;                /* Color pixel */
 132 }      XpmColorSymbol;
 133
 134 typedef struct {
 135     char *name;                 /* name of the extension */
 136     unsigned int nlines;        /* number of lines in this extension */
 137     char **lines;               /* pointer to the extension array of strings */
 138 }      XpmExtension;
 139
 140 typedef struct {
 141     char *string;               /* characters string */
 142     char *symbolic;             /* symbolic name */
 143     char *m_color;              /* monochrom default */
 144     char *g4_color;             /* 4 level grayscale default */
 145     char *g_color;              /* other level grayscale default */
 146     char *c_color;              /* color default */
 147 }      XpmColor;
 148
 149 typedef struct {
 150     unsigned int width;         /* image width */
 151     unsigned int height;        /* image height */
 152     unsigned int cpp;           /* number of characters per pixel */
 153     unsigned int ncolors;       /* number of colors */
 154     XpmColor *colorTable;       /* list of related colors */
 155     unsigned int *data;         /* image data */
 156 }      XpmImage;
 157
 158 typedef struct {
 159     unsigned long valuemask;    /* Specifies which attributes are defined */
 160     char *hints_cmt;            /* Comment of the hints section */
 161     char *colors_cmt;           /* Comment of the colors section */
 162     char *pixels_cmt;           /* Comment of the pixels section */
 163     unsigned int x_hotspot;     /* Returns the x hotspot's coordinate */
 164     unsigned int y_hotspot;     /* Returns the y hotspot's coordinate */
 165     unsigned int nextensions;   /* number of extensions */
 166     XpmExtension *extensions;   /* pointer to array of extensions */
 167 }      XpmInfo;
 168
 169 typedef int (*XpmAllocColorFunc)(
 170 #if NeedFunctionPrototypes
 171     Display*                    /* display */,
 172     Colormap                    /* colormap */,
 173     char*                       /* colorname */,
 174     XColor*                     /* xcolor */,
 175     void*                       /* closure */
 176 #endif
 177 );
 178
 179 typedef int (*XpmFreeColorsFunc)(
 180 #if NeedFunctionPrototypes
 181     Display*                    /* display */,
 182     Colormap                    /* colormap */,
 183     Pixel*                      /* pixels */,
 184     int                         /* npixels */,
 185     void*                       /* closure */
 186 #endif
 187 );
 188
 189 typedef struct {
 190     unsigned long valuemask;            /* Specifies which attributes are
 191                                            defined */
 192
 193     Visual *visual;                     /* Specifies the visual to use */
 194     Colormap colormap;                  /* Specifies the colormap to use */
 195     unsigned int depth;                 /* Specifies the depth */
 196     unsigned int width;                 /* Returns the width of the created
 197                                            pixmap */
 198     unsigned int height;                /* Returns the height of the created
 199                                            pixmap */
 200     unsigned int x_hotspot;             /* Returns the x hotspot's
 201                                            coordinate */
 202     unsigned int y_hotspot;             /* Returns the y hotspot's
 203                                            coordinate */
 204     unsigned int cpp;                   /* Specifies the number of char per
 205                                            pixel */
 206     Pixel *pixels;                      /* List of used color pixels */
 207     unsigned int npixels;               /* Number of used pixels */
 208     XpmColorSymbol *colorsymbols;       /* List of color symbols to override */
 209     unsigned int numsymbols;            /* Number of symbols */
 210     char *rgb_fname;                    /* RGB text file name */
 211     unsigned int nextensions;           /* Number of extensions */
 212     XpmExtension *extensions;           /* List of extensions */
 213
 214     unsigned int ncolors;               /* Number of colors */
 215     XpmColor *colorTable;               /* List of colors */
 216 /* 3.2 backward compatibility code */
 217     char *hints_cmt;                    /* Comment of the hints section */
 218     char *colors_cmt;                   /* Comment of the colors section */
 219     char *pixels_cmt;                   /* Comment of the pixels section */
 220 /* end 3.2 bc */
 221     unsigned int mask_pixel;            /* Color table index of transparent
 222                                            color */
 223
 224     /* Color Allocation Directives */
 225     Bool exactColors;                   /* Only use exact colors for visual */
 226     unsigned int closeness;             /* Allowable RGB deviation */
 227     unsigned int red_closeness;         /* Allowable red deviation */
 228     unsigned int green_closeness;       /* Allowable green deviation */
 229     unsigned int blue_closeness;        /* Allowable blue deviation */
 230     int color_key;                      /* Use colors from this color set */
 231
 232     Pixel *alloc_pixels;                /* Returns the list of alloc'ed color
 233                                            pixels */
 234     int nalloc_pixels;                  /* Returns the number of alloc'ed
 235                                            color pixels */
 236
 237     Bool alloc_close_colors;            /* Specify whether close colors should
 238                                            be allocated using XAllocColor
 239                                            or not */
 240     int bitmap_format;                  /* Specify the format of 1bit depth
 241                                            images: ZPixmap or XYBitmap */
 242
 243     /* Color functions */
 244     XpmAllocColorFunc alloc_color;      /* Application color allocator */
 245     XpmFreeColorsFunc free_colors;      /* Application color de-allocator */
 246     void *color_closure;                /* Application private data to pass to
 247                                            alloc_color and free_colors */
 248
 249 }      XpmAttributes;
 250
 251 /* XpmAttributes value masks bits */
 252 #define XpmVisual          (1L<<0)
 253 #define XpmColormap        (1L<<1)
 254 #define XpmDepth           (1L<<2)
 255 #define XpmSize            (1L<<3)      /* width & height */
 256 #define XpmHotspot         (1L<<4)      /* x_hotspot & y_hotspot */
 257 #define XpmCharsPerPixel   (1L<<5)
 258 #define XpmColorSymbols    (1L<<6)
 259 #define XpmRgbFilename     (1L<<7)
 260 /* 3.2 backward compatibility code */
 261 #define XpmInfos           (1L<<8)
 262 #define XpmReturnInfos     XpmInfos
 263 /* end 3.2 bc */
 264 #define XpmReturnPixels    (1L<<9)
 265 #define XpmExtensions      (1L<<10)
 266 #define XpmReturnExtensions XpmExtensions
 267
 268 #define XpmExactColors     (1L<<11)
 269 #define XpmCloseness       (1L<<12)
 270 #define XpmRGBCloseness    (1L<<13)
 271 #define XpmColorKey        (1L<<14)
 272
 273 #define XpmColorTable      (1L<<15)
 274 #define XpmReturnColorTable XpmColorTable
 275
 276 #define XpmReturnAllocPixels (1L<<16)
 277 #define XpmAllocCloseColors (1L<<17)
 278 #define XpmBitmapFormat    (1L<<18)
 279
 280 #define XpmAllocColor      (1L<<19)
 281 #define XpmFreeColors      (1L<<20)
 282 #define XpmColorClosure    (1L<<21)
 283
 284
 285 /* XpmInfo value masks bits */
 286 #define XpmComments        XpmInfos
 287 #define XpmReturnComments  XpmComments
 288
 289 /* XpmAttributes mask_pixel value when there is no mask */
 290 #ifndef FOR_MSW
 291 #define XpmUndefPixel 0x80000000
 292 #else
 293 /* int is only 16 bit for MSW */
 294 #define XpmUndefPixel 0x8000
 295 #endif
 296
 297 /*
 298  * color keys for visual type, they must fit along with the number key of
 299  * each related element in xpmColorKeys[] defined in XpmI.h
 300  */
 301 #define XPM_MONO        2
 302 #define XPM_GREY4       3
 303 #define XPM_GRAY4       3
 304 #define XPM_GREY        4
 305 #define XPM_GRAY        4
 306 #define XPM_COLOR       5
 307
 308
 309 /* macros for forward declarations of functions with prototypes */
 310 #if NeedFunctionPrototypes
 311 #define FUNC(f, t, p) extern t f p
 312 #define LFUNC(f, t, p) static t f p
 313 #else
 314 #define FUNC(f, t, p) extern t f()
 315 #define LFUNC(f, t, p) static t f()
 316 #endif
 317
 318
 319 /*
 320  * functions declarations
 321  */
 322
 323 #ifdef __cplusplus
 324 extern "C" {
 325 #endif
 326
 327
 328     FUNC(XpmCreateImageFromData, int, (Display *display,
 329                                        char **data,
 330                                        XImage **image_return,
 331                                        XImage **shapemask_return,
 332                                        XpmAttributes *attributes));
 333
 334     FUNC(XpmCreateDataFromImage, int, (Display *display,
 335                                        char ***data_return,
 336                                        XImage *image,
 337                                        XImage *shapeimage,
 338                                        XpmAttributes *attributes));
 339
 340     FUNC(XpmReadFileToImage, int, (Display *display,
 341                                    char *filename,
 342                                    XImage **image_return,
 343                                    XImage **shapeimage_return,
 344                                    XpmAttributes *attributes));
 345
 346     FUNC(XpmWriteFileFromImage, int, (Display *display,
 347                                       char *filename,
 348                                       XImage *image,
 349                                       XImage *shapeimage,
 350                                       XpmAttributes *attributes));
 351
 352     FUNC(XpmCreateImageFromBuffer, int, (Display *display,
 353                                          char *buffer,
 354                                          XImage **image_return,
 355                                          XImage **shapemask_return,
 356                                          XpmAttributes *attributes));
 357
 358     FUNC(XpmReadFileToBuffer, int, (char *filename, char **buffer_return));
 359     FUNC(XpmWriteFileFromBuffer, int, (char *filename, char *buffer));
 360
 361     FUNC(XpmReadFileToData, int, (char *filename, char ***data_return));
 362     FUNC(XpmWriteFileFromData, int, (char *filename, char **data));
 363
 364     FUNC(XpmAttributesSize, int, ());
 365     FUNC(XpmFreeAttributes, void, (XpmAttributes *attributes));
 366     FUNC(XpmFreeExtensions, void, (XpmExtension *extensions,
 367                                    int nextensions));
 368
 369     FUNC(XpmFreeXpmImage, void, (XpmImage *image));
 370     FUNC(XpmFreeXpmInfo, void, (XpmInfo *info));
 371     FUNC(XpmGetErrorString, char *, (int errcode));
 372     FUNC(XpmLibraryVersion, int, ());
 373
 374     /* XpmImage functions */
 375     FUNC(XpmReadFileToXpmImage, int, (char *filename,
 376                                       XpmImage *image,
 377                                       XpmInfo *info));
 378
 379     FUNC(XpmWriteFileFromXpmImage, int, (char *filename,
 380                                          XpmImage *image,
 381                                          XpmInfo *info));
 382
 383     FUNC(XpmCreateImageFromXpmImage, int, (Display *display,
 384                                            XpmImage *image,
 385                                            XImage **image_return,
 386                                            XImage **shapeimage_return,
 387                                            XpmAttributes *attributes));
 388
 389     FUNC(XpmCreateXpmImageFromImage, int, (Display *display,
 390                                            XImage *image,
 391                                            XImage *shapeimage,
 392                                            XpmImage *xpmimage,
 393                                            XpmAttributes *attributes));
 394
 395     FUNC(XpmCreateDataFromXpmImage, int, (char ***data_return,
 396                                           XpmImage *image,
 397                                           XpmInfo *info));
 398
 399     FUNC(XpmCreateXpmImageFromData, int, (char **data,
 400                                           XpmImage *image,
 401                                           XpmInfo *info));
 402
 403     FUNC(XpmCreateXpmImageFromBuffer, int, (char *buffer,
 404                                             XpmImage *image,
 405                                             XpmInfo *info));
 406
 407     FUNC(XpmCreateBufferFromXpmImage, int, (char **buffer_return,
 408                                             XpmImage *image,
 409                                             XpmInfo *info));
 410
 411     FUNC(XpmGetParseError, int, (char *filename,
 412                                  int *linenum_return,
 413                                  int *charnum_return));
 414
 415     FUNC(XpmFree, void, (void *ptr));
 416
 417 #ifdef __cplusplus
 418 } /* for C++ V2.0 */
 419 #endif
 420
 421
 422 /* backward compatibility */
 423
 424 /* for version 3.0c */
 425 #define XpmPixmapColorError  XpmColorError
 426 #define XpmPixmapSuccess     XpmSuccess
 427 #define XpmPixmapOpenFailed  XpmOpenFailed
 428 #define XpmPixmapFileInvalid XpmFileInvalid
 429 #define XpmPixmapNoMemory    XpmNoMemory
 430 #define XpmPixmapColorFailed XpmColorFailed
 431
 432 #define XpmReadPixmapFile(dpy, d, file, pix, mask, att) \
 433     XpmReadFileToPixmap(dpy, d, file, pix, mask, att)
 434 #define XpmWritePixmapFile(dpy, file, pix, mask, att) \
 435     XpmWriteFileFromPixmap(dpy, file, pix, mask, att)
 436
 437 /* for version 3.0b */
 438 #define PixmapColorError  XpmColorError
 439 #define PixmapSuccess     XpmSuccess
 440 #define PixmapOpenFailed  XpmOpenFailed
 441 #define PixmapFileInvalid XpmFileInvalid
 442 #define PixmapNoMemory    XpmNoMemory
 443 #define PixmapColorFailed XpmColorFailed
 444
 445 #define ColorSymbol XpmColorSymbol
 446
 447 #define XReadPixmapFile(dpy, d, file, pix, mask, att) \
 448     XpmReadFileToPixmap(dpy, d, file, pix, mask, att)
 449 #define XWritePixmapFile(dpy, file, pix, mask, att) \
 450     XpmWriteFileFromPixmap(dpy, file, pix, mask, att)
 451 #define XCreatePixmapFromData(dpy, d, data, pix, mask, att) \
 452     XpmCreatePixmapFromData(dpy, d, data, pix, mask, att)
 453 #define XCreateDataFromPixmap(dpy, data, pix, mask, att) \
 454     XpmCreateDataFromPixmap(dpy, data, pix, mask, att)
 455
 456 #endif /* XPM_NUMBERS */
 457 #endif