| 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 | * XpmI.h: * |
| 28 | * * |
| 29 | * XPM library * |
| 30 | * Internal Include file * |
| 31 | * * |
| 32 | * ** Everything defined here is subject to changes any time. ** * |
| 33 | * * |
| 34 | * Developed by Arnaud Le Hors * |
| 35 | \*****************************************************************************/ |
| 36 | |
| 37 | /* |
| 38 | * The code related to FOR_MSW has been added by |
| 39 | * HeDu (hedu@cul-ipn.uni-kiel.de) 4/94 |
| 40 | */ |
| 41 | |
| 42 | #ifndef XPMI_h |
| 43 | #define XPMI_h |
| 44 | |
| 45 | #include "xpm.h" |
| 46 | |
| 47 | // Added by JACS for some compilers (no popen/pclose functions) |
| 48 | #if defined(__WATCOMC__) || (!defined(WIN32) && defined(_MSC_VER)) || (!defined(WIN32) && defined(__BORLANDC__)) |
| 49 | #define NO_ZPIPE |
| 50 | #endif |
| 51 | |
| 52 | /* |
| 53 | * lets try to solve include files |
| 54 | */ |
| 55 | |
| 56 | #include <stdio.h> |
| 57 | #include <stdlib.h> |
| 58 | /* stdio.h doesn't declare popen on a Sequent DYNIX OS */ |
| 59 | #ifdef sequent |
| 60 | extern FILE *popen(); |
| 61 | #endif |
| 62 | |
| 63 | #if defined(SYSV) || defined(SVR4) || defined(VMS) || defined(WIN32) |
| 64 | #include <string.h> |
| 65 | |
| 66 | #ifndef index |
| 67 | #define index strchr |
| 68 | #endif |
| 69 | |
| 70 | #ifndef rindex |
| 71 | #define rindex strrchr |
| 72 | #endif |
| 73 | |
| 74 | #else /* defined(SYSV) || defined(SVR4) || defined(VMS) */ |
| 75 | #include <strings.h> |
| 76 | #endif |
| 77 | |
| 78 | |
| 79 | |
| 80 | #if defined(SYSV) || defined(SVR4) || defined(VMS) || defined(WIN32) |
| 81 | #ifndef bcopy |
| 82 | #define bcopy(source, dest, count) memcpy(dest, source, count) |
| 83 | #endif |
| 84 | #ifndef bzero |
| 85 | #define bzero(b, len) memset(b, 0, len) |
| 86 | #endif |
| 87 | #endif |
| 88 | |
| 89 | /* the following is defined in X11R6 but not in previous versions */ |
| 90 | #ifdef __alpha |
| 91 | #ifndef LONG64 |
| 92 | #define LONG64 |
| 93 | #endif |
| 94 | #endif |
| 95 | |
| 96 | #ifdef VMS |
| 97 | #include <unixio.h> |
| 98 | #include <file.h> |
| 99 | #endif |
| 100 | |
| 101 | /* The following should help people wanting to use their own memory allocation |
| 102 | * functions. To avoid the overhead of a function call when the standard |
| 103 | * functions are used these are all macros, even the XpmFree function which |
| 104 | * needs to be a real function for the outside world though. |
| 105 | * So if change these be sure to change the XpmFree function in misc.c |
| 106 | * accordingly. |
| 107 | */ |
| 108 | #define XpmFree(ptr) free(ptr) |
| 109 | |
| 110 | #ifndef FOR_MSW |
| 111 | #define XpmMalloc(size) malloc((size)) |
| 112 | #define XpmRealloc(ptr, size) realloc((ptr), (size)) |
| 113 | #define XpmCalloc(nelem, elsize) calloc((nelem), (elsize)) |
| 114 | #else |
| 115 | /* checks for mallocs bigger than 64K */ |
| 116 | #define XpmMalloc(size) boundCheckingMalloc((long)(size))/* in simx.[ch] */ |
| 117 | #define XpmRealloc(ptr, size) boundCheckingRealloc((ptr),(long)(size)) |
| 118 | #define XpmCalloc(nelem, elsize) \ |
| 119 | boundCheckingCalloc((long)(nelem),(long) (elsize)) |
| 120 | #endif |
| 121 | |
| 122 | #define XPMMAXCMTLEN BUFSIZ |
| 123 | typedef struct { |
| 124 | unsigned int type; |
| 125 | union { |
| 126 | FILE *file; |
| 127 | char **data; |
| 128 | } stream; |
| 129 | char *cptr; |
| 130 | unsigned int line; |
| 131 | int CommentLength; |
| 132 | char Comment[XPMMAXCMTLEN]; |
| 133 | char *Bcmt, *Ecmt, Bos, Eos; |
| 134 | int format; /* 1 if XPM1, 0 otherwise */ |
| 135 | #ifdef CXPMPROG |
| 136 | int lineNum; |
| 137 | int charNum; |
| 138 | #endif |
| 139 | } xpmData; |
| 140 | |
| 141 | #define XPMARRAY 0 |
| 142 | #define XPMFILE 1 |
| 143 | #define XPMPIPE 2 |
| 144 | #define XPMBUFFER 3 |
| 145 | |
| 146 | #define EOL '\n' |
| 147 | #define TAB '\t' |
| 148 | #define SPC ' ' |
| 149 | |
| 150 | typedef struct { |
| 151 | char *type; /* key word */ |
| 152 | char *Bcmt; /* string beginning comments */ |
| 153 | char *Ecmt; /* string ending comments */ |
| 154 | char Bos; /* character beginning strings */ |
| 155 | char Eos; /* character ending strings */ |
| 156 | char *Strs; /* strings separator */ |
| 157 | char *Dec; /* data declaration string */ |
| 158 | char *Boa; /* string beginning assignment */ |
| 159 | char *Eoa; /* string ending assignment */ |
| 160 | } xpmDataType; |
| 161 | |
| 162 | extern xpmDataType xpmDataTypes[]; |
| 163 | |
| 164 | /* |
| 165 | * rgb values and ascii names (from rgb text file) rgb values, |
| 166 | * range of 0 -> 65535 color mnemonic of rgb value |
| 167 | */ |
| 168 | typedef struct { |
| 169 | int r, g, b; |
| 170 | char *name; |
| 171 | } xpmRgbName; |
| 172 | |
| 173 | /* Maximum number of rgb mnemonics allowed in rgb text file. */ |
| 174 | #define MAX_RGBNAMES 1024 |
| 175 | |
| 176 | extern char *xpmColorKeys[]; |
| 177 | |
| 178 | #define TRANSPARENT_COLOR "None" /* this must be a string! */ |
| 179 | |
| 180 | /* number of xpmColorKeys */ |
| 181 | #define NKEYS 5 |
| 182 | |
| 183 | /* XPM internal routines */ |
| 184 | |
| 185 | FUNC(xpmParseData, int, (xpmData *data, XpmImage *image, XpmInfo *info)); |
| 186 | FUNC(xpmParseDataAndCreate, int, (Display *display, xpmData *data, |
| 187 | XImage **image_return, |
| 188 | XImage **shapeimage_return, |
| 189 | XpmImage *image, XpmInfo *info, |
| 190 | XpmAttributes *attributes)); |
| 191 | |
| 192 | FUNC(xpmFreeColorTable, void, (XpmColor *colorTable, int ncolors)); |
| 193 | |
| 194 | FUNC(xpmInitAttributes, void, (XpmAttributes *attributes)); |
| 195 | |
| 196 | FUNC(xpmInitXpmImage, void, (XpmImage *image)); |
| 197 | |
| 198 | FUNC(xpmInitXpmInfo, void, (XpmInfo *info)); |
| 199 | |
| 200 | FUNC(xpmSetInfoMask, void, (XpmInfo *info, XpmAttributes *attributes)); |
| 201 | FUNC(xpmSetInfo, void, (XpmInfo *info, XpmAttributes *attributes)); |
| 202 | FUNC(xpmSetAttributes, void, (XpmAttributes *attributes, XpmImage *image, |
| 203 | XpmInfo *info)); |
| 204 | |
| 205 | #if !defined(FOR_MSW) && !defined(AMIGA) |
| 206 | FUNC(xpmCreatePixmapFromImage, void, (Display *display, Drawable d, |
| 207 | XImage *ximage, Pixmap *pixmap_return)); |
| 208 | |
| 209 | FUNC(xpmCreateImageFromPixmap, void, (Display *display, Pixmap pixmap, |
| 210 | XImage **ximage_return, |
| 211 | unsigned int *width, |
| 212 | unsigned int *height)); |
| 213 | #endif |
| 214 | |
| 215 | /* structures and functions related to hastable code */ |
| 216 | |
| 217 | typedef struct _xpmHashAtom { |
| 218 | char *name; |
| 219 | void *data; |
| 220 | } *xpmHashAtom; |
| 221 | |
| 222 | typedef struct { |
| 223 | int size; |
| 224 | int limit; |
| 225 | int used; |
| 226 | xpmHashAtom *atomTable; |
| 227 | } xpmHashTable; |
| 228 | |
| 229 | FUNC(xpmHashTableInit, int, (xpmHashTable *table)); |
| 230 | FUNC(xpmHashTableFree, void, (xpmHashTable *table)); |
| 231 | FUNC(xpmHashSlot, xpmHashAtom *, (xpmHashTable *table, char *s)); |
| 232 | FUNC(xpmHashIntern, int, (xpmHashTable *table, char *tag, void *data)); |
| 233 | |
| 234 | #define HashAtomData(i) ((void *)i) |
| 235 | #define HashColorIndex(slot) ((unsigned int)((*slot)->data)) |
| 236 | #define USE_HASHTABLE (cpp > 2 && ncolors > 4) |
| 237 | |
| 238 | /* I/O utility */ |
| 239 | |
| 240 | FUNC(xpmNextString, int, (xpmData *mdata)); |
| 241 | FUNC(xpmNextUI, int, (xpmData *mdata, unsigned int *ui_return)); |
| 242 | FUNC(xpmGetString, int, (xpmData *mdata, char **sptr, unsigned int *l)); |
| 243 | |
| 244 | #define xpmGetC(mdata) \ |
| 245 | ((!mdata->type || mdata->type == XPMBUFFER) ? \ |
| 246 | (*mdata->cptr++) : (getc(mdata->stream.file))) |
| 247 | |
| 248 | FUNC(xpmNextWord, unsigned int, |
| 249 | (xpmData *mdata, char *buf, unsigned int buflen)); |
| 250 | FUNC(xpmGetCmt, int, (xpmData *mdata, char **cmt)); |
| 251 | FUNC(xpmParseHeader, int, (xpmData *mdata)); |
| 252 | FUNC(xpmParseValues, int, (xpmData *data, unsigned int *width, |
| 253 | unsigned int *height, unsigned int *ncolors, |
| 254 | unsigned int *cpp, unsigned int *x_hotspot, |
| 255 | unsigned int *y_hotspot, unsigned int *hotspot, |
| 256 | unsigned int *extensions)); |
| 257 | |
| 258 | FUNC(xpmParseColors, int, (xpmData *data, unsigned int ncolors, |
| 259 | unsigned int cpp, XpmColor **colorTablePtr, |
| 260 | xpmHashTable *hashtable)); |
| 261 | |
| 262 | FUNC(xpmParseExtensions, int, (xpmData *data, XpmExtension **extensions, |
| 263 | unsigned int *nextensions)); |
| 264 | |
| 265 | /* RGB utility */ |
| 266 | |
| 267 | FUNC(xpmReadRgbNames, int, (char *rgb_fname, xpmRgbName *rgbn)); |
| 268 | FUNC(xpmGetRgbName, char *, (xpmRgbName *rgbn, int rgbn_max, |
| 269 | int red, int green, int blue)); |
| 270 | FUNC(xpmFreeRgbNames, void, (xpmRgbName *rgbn, int rgbn_max)); |
| 271 | #ifdef FOR_MSW |
| 272 | FUNC(xpmGetRGBfromName,int, (char *name, int *r, int *g, int *b)); |
| 273 | #endif |
| 274 | |
| 275 | #ifndef AMIGA |
| 276 | FUNC(xpm_xynormalizeimagebits, void, (register unsigned char *bp, |
| 277 | register XImage *img)); |
| 278 | FUNC(xpm_znormalizeimagebits, void, (register unsigned char *bp, |
| 279 | register XImage *img)); |
| 280 | |
| 281 | /* |
| 282 | * Macros |
| 283 | * |
| 284 | * The XYNORMALIZE macro determines whether XY format data requires |
| 285 | * normalization and calls a routine to do so if needed. The logic in |
| 286 | * this module is designed for LSBFirst byte and bit order, so |
| 287 | * normalization is done as required to present the data in this order. |
| 288 | * |
| 289 | * The ZNORMALIZE macro performs byte and nibble order normalization if |
| 290 | * required for Z format data. |
| 291 | * |
| 292 | * The XYINDEX macro computes the index to the starting byte (char) boundary |
| 293 | * for a bitmap_unit containing a pixel with coordinates x and y for image |
| 294 | * data in XY format. |
| 295 | * |
| 296 | * The ZINDEX* macros compute the index to the starting byte (char) boundary |
| 297 | * for a pixel with coordinates x and y for image data in ZPixmap format. |
| 298 | * |
| 299 | */ |
| 300 | |
| 301 | #define XYNORMALIZE(bp, img) \ |
| 302 | if ((img->byte_order == MSBFirst) || (img->bitmap_bit_order == MSBFirst)) \ |
| 303 | xpm_xynormalizeimagebits((unsigned char *)(bp), img) |
| 304 | |
| 305 | #define ZNORMALIZE(bp, img) \ |
| 306 | if (img->byte_order == MSBFirst) \ |
| 307 | xpm_znormalizeimagebits((unsigned char *)(bp), img) |
| 308 | |
| 309 | #define XYINDEX(x, y, img) \ |
| 310 | ((y) * img->bytes_per_line) + \ |
| 311 | (((x) + img->xoffset) / img->bitmap_unit) * (img->bitmap_unit >> 3) |
| 312 | |
| 313 | #define ZINDEX(x, y, img) ((y) * img->bytes_per_line) + \ |
| 314 | (((x) * img->bits_per_pixel) >> 3) |
| 315 | |
| 316 | #define ZINDEX32(x, y, img) ((y) * img->bytes_per_line) + ((x) << 2) |
| 317 | |
| 318 | #define ZINDEX16(x, y, img) ((y) * img->bytes_per_line) + ((x) << 1) |
| 319 | |
| 320 | #define ZINDEX8(x, y, img) ((y) * img->bytes_per_line) + (x) |
| 321 | |
| 322 | #define ZINDEX1(x, y, img) ((y) * img->bytes_per_line) + ((x) >> 3) |
| 323 | #endif /* not AMIGA */ |
| 324 | |
| 325 | #ifdef __STDC__ |
| 326 | #define Const const |
| 327 | #else |
| 328 | #define Const /**/ |
| 329 | #endif |
| 330 | |
| 331 | #ifdef NEED_STRDUP |
| 332 | FUNC(xpmstrdup, char *, (char *s1)); |
| 333 | #else |
| 334 | #undef xpmstrdup |
| 335 | #define xpmstrdup strdup |
| 336 | #endif |
| 337 | |
| 338 | #ifdef NEED_STRCASECMP |
| 339 | FUNC(xpmstrcasecmp, int, (char *s1, char *s2)); |
| 340 | #else |
| 341 | #undef xpmstrcasecmp |
| 342 | #define xpmstrcasecmp strcasecmp |
| 343 | #endif |
| 344 | |
| 345 | FUNC(xpmatoui, unsigned int, |
| 346 | (char *p, unsigned int l, unsigned int *ui_return)); |
| 347 | |
| 348 | #endif |