| File: | scan.c |
| Location: | line 543, column 16 |
| Description: | Array access (from variable 'adefaults') results in a null pointer dereference |
| 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 | * scan.c: * | ||
| 28 | * * | ||
| 29 | * XPM library * | ||
| 30 | * Scanning utility for XPM file format * | ||
| 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 | /* October 2004, source code review by Thomas Biege <thomas@suse.de> */ | ||
| 46 | |||
| 47 | #ifdef HAVE_CONFIG_H1 | ||
| 48 | #include <config.h> | ||
| 49 | #endif | ||
| 50 | #include "XpmI.h" | ||
| 51 | |||
| 52 | #define MAXPRINTABLE92 92 /* number of printable ascii chars | ||
| 53 | * minus \ and " for string compat | ||
| 54 | * and ? to avoid ANSI trigraphs. */ | ||
| 55 | |||
| 56 | static const char *printable = | ||
| 57 | " .XoO+@#$%&*=-;:>,<1234567890qwertyuipasdfghjklzxcvbnmMNBVCZ\ | ||
| 58 | ASDFGHJKLPIUYTREWQ!~^/()_`'][{}|"; | ||
| 59 | |||
| 60 | /* | ||
| 61 | * printable begin with a space, so in most case, due to my algorithm, when | ||
| 62 | * the number of different colors is less than MAXPRINTABLE, it will give a | ||
| 63 | * char follow by "nothing" (a space) in the readable xpm file | ||
| 64 | */ | ||
| 65 | |||
| 66 | |||
| 67 | typedef struct { | ||
| 68 | Pixel *pixels; | ||
| 69 | unsigned int *pixelindex; | ||
| 70 | unsigned int size; | ||
| 71 | unsigned int ncolors; | ||
| 72 | unsigned int mask_pixel; /* whether there is or not */ | ||
| 73 | } PixelsMap; | ||
| 74 | |||
| 75 | LFUNC(storePixel, int, (Pixel pixel, PixelsMap *pmap,static int storePixel (Pixel pixel, PixelsMap *pmap, unsigned int *index_return) | ||
| 76 | unsigned int *index_return))static int storePixel (Pixel pixel, PixelsMap *pmap, unsigned int *index_return); | ||
| 77 | |||
| 78 | LFUNC(storeMaskPixel, int, (Pixel pixel, PixelsMap *pmap,static int storeMaskPixel (Pixel pixel, PixelsMap *pmap, unsigned int *index_return) | ||
| 79 | unsigned int *index_return))static int storeMaskPixel (Pixel pixel, PixelsMap *pmap, unsigned int *index_return); | ||
| 80 | |||
| 81 | typedef int (*storeFuncPtr)(Pixel pixel, PixelsMap *pmap, | ||
| 82 | unsigned int *index_return); | ||
| 83 | |||
| 84 | #ifndef FOR_MSW | ||
| 85 | # ifndef AMIGA | ||
| 86 | LFUNC(GetImagePixels, int, (XImage *image, unsigned int width,static int GetImagePixels (XImage *image, unsigned int width, unsigned int height, PixelsMap *pmap) | ||
| 87 | unsigned int height, PixelsMap *pmap))static int GetImagePixels (XImage *image, unsigned int width, unsigned int height, PixelsMap *pmap); | ||
| 88 | |||
| 89 | LFUNC(GetImagePixels32, int, (XImage *image, unsigned int width,static int GetImagePixels32 (XImage *image, unsigned int width , unsigned int height, PixelsMap *pmap) | ||
| 90 | unsigned int height, PixelsMap *pmap))static int GetImagePixels32 (XImage *image, unsigned int width , unsigned int height, PixelsMap *pmap); | ||
| 91 | |||
| 92 | LFUNC(GetImagePixels16, int, (XImage *image, unsigned int width,static int GetImagePixels16 (XImage *image, unsigned int width , unsigned int height, PixelsMap *pmap) | ||
| 93 | unsigned int height, PixelsMap *pmap))static int GetImagePixels16 (XImage *image, unsigned int width , unsigned int height, PixelsMap *pmap); | ||
| 94 | |||
| 95 | LFUNC(GetImagePixels8, int, (XImage *image, unsigned int width,static int GetImagePixels8 (XImage *image, unsigned int width , unsigned int height, PixelsMap *pmap) | ||
| 96 | unsigned int height, PixelsMap *pmap))static int GetImagePixels8 (XImage *image, unsigned int width , unsigned int height, PixelsMap *pmap); | ||
| 97 | |||
| 98 | LFUNC(GetImagePixels1, int, (XImage *image, unsigned int width,static int GetImagePixels1 (XImage *image, unsigned int width , unsigned int height, PixelsMap *pmap, storeFuncPtr storeFunc ) | ||
| 99 | unsigned int height, PixelsMap *pmap,static int GetImagePixels1 (XImage *image, unsigned int width , unsigned int height, PixelsMap *pmap, storeFuncPtr storeFunc ) | ||
| 100 | storeFuncPtr storeFunc))static int GetImagePixels1 (XImage *image, unsigned int width , unsigned int height, PixelsMap *pmap, storeFuncPtr storeFunc ); | ||
| 101 | # else /* AMIGA */ | ||
| 102 | LFUNC(AGetImagePixels, int, (XImage *image, unsigned int width,static int AGetImagePixels (XImage *image, unsigned int width , unsigned int height, PixelsMap *pmap, storeFuncPtr storeFunc ) | ||
| 103 | unsigned int height, PixelsMap *pmap,static int AGetImagePixels (XImage *image, unsigned int width , unsigned int height, PixelsMap *pmap, storeFuncPtr storeFunc ) | ||
| 104 | storeFuncPtr storeFunc))static int AGetImagePixels (XImage *image, unsigned int width , unsigned int height, PixelsMap *pmap, storeFuncPtr storeFunc ); | ||
| 105 | # endif/* AMIGA */ | ||
| 106 | #else /* ndef FOR_MSW */ | ||
| 107 | LFUNC(MSWGetImagePixels, int, (Display *d, XImage *image, unsigned int width,static int MSWGetImagePixels (Display *d, XImage *image, unsigned int width, unsigned int height, PixelsMap *pmap, storeFuncPtr storeFunc) | ||
| 108 | unsigned int height, PixelsMap *pmap,static int MSWGetImagePixels (Display *d, XImage *image, unsigned int width, unsigned int height, PixelsMap *pmap, storeFuncPtr storeFunc) | ||
| 109 | storeFuncPtr storeFunc))static int MSWGetImagePixels (Display *d, XImage *image, unsigned int width, unsigned int height, PixelsMap *pmap, storeFuncPtr storeFunc); | ||
| 110 | #endif | ||
| 111 | LFUNC(ScanTransparentColor, int, (XpmColor *color, unsigned int cpp,static int ScanTransparentColor (XpmColor *color, unsigned int cpp, XpmAttributes *attributes) | ||
| 112 | XpmAttributes *attributes))static int ScanTransparentColor (XpmColor *color, unsigned int cpp, XpmAttributes *attributes); | ||
| 113 | |||
| 114 | LFUNC(ScanOtherColors, int, (Display *display, XpmColor *colors,static int ScanOtherColors (Display *display, XpmColor *colors , unsigned int ncolors, Pixel *pixels, unsigned int mask, unsigned int cpp, XpmAttributes *attributes) | ||
| 115 | unsigned int ncolors,static int ScanOtherColors (Display *display, XpmColor *colors , unsigned int ncolors, Pixel *pixels, unsigned int mask, unsigned int cpp, XpmAttributes *attributes) | ||
| 116 | Pixel *pixels, unsigned int mask,static int ScanOtherColors (Display *display, XpmColor *colors , unsigned int ncolors, Pixel *pixels, unsigned int mask, unsigned int cpp, XpmAttributes *attributes) | ||
| 117 | unsigned int cpp, XpmAttributes *attributes))static int ScanOtherColors (Display *display, XpmColor *colors , unsigned int ncolors, Pixel *pixels, unsigned int mask, unsigned int cpp, XpmAttributes *attributes); | ||
| 118 | |||
| 119 | /* | ||
| 120 | * This function stores the given pixel in the given arrays which are grown | ||
| 121 | * if not large enough. | ||
| 122 | */ | ||
| 123 | static int | ||
| 124 | storePixel( | ||
| 125 | Pixel pixel, | ||
| 126 | PixelsMap *pmap, | ||
| 127 | unsigned int *index_return) | ||
| 128 | { | ||
| 129 | unsigned int i; | ||
| 130 | Pixel *p; | ||
| 131 | unsigned int ncolors; | ||
| 132 | |||
| 133 | if (*index_return) { /* this is a transparent pixel! */ | ||
| 134 | *index_return = 0; | ||
| 135 | return 0; | ||
| 136 | } | ||
| 137 | ncolors = pmap->ncolors; | ||
| 138 | p = pmap->pixels + pmap->mask_pixel; | ||
| 139 | for (i = pmap->mask_pixel; i < ncolors; i++, p++) | ||
| 140 | if (*p == pixel) | ||
| 141 | break; | ||
| 142 | if (i == ncolors) { | ||
| 143 | if (ncolors >= pmap->size) { | ||
| 144 | pmap->size *= 2; | ||
| 145 | p = (Pixel *) XpmRealloc(pmap->pixels, sizeof(Pixel) * pmap->size)realloc((pmap->pixels), (sizeof(Pixel) * pmap->size)); | ||
| 146 | if (!p) | ||
| 147 | return (1); | ||
| 148 | pmap->pixels = p; | ||
| 149 | |||
| 150 | } | ||
| 151 | (pmap->pixels)[ncolors] = pixel; | ||
| 152 | pmap->ncolors++; | ||
| 153 | } | ||
| 154 | *index_return = i; | ||
| 155 | return 0; | ||
| 156 | } | ||
| 157 | |||
| 158 | static int | ||
| 159 | storeMaskPixel( | ||
| 160 | Pixel pixel, | ||
| 161 | PixelsMap *pmap, | ||
| 162 | unsigned int *index_return) | ||
| 163 | { | ||
| 164 | if (!pixel) { | ||
| 165 | if (!pmap->ncolors) { | ||
| 166 | pmap->ncolors = 1; | ||
| 167 | (pmap->pixels)[0] = 0; | ||
| 168 | pmap->mask_pixel = 1; | ||
| 169 | } | ||
| 170 | *index_return = 1; | ||
| 171 | } else | ||
| 172 | *index_return = 0; | ||
| 173 | return 0; | ||
| 174 | } | ||
| 175 | |||
| 176 | /* function call in case of error */ | ||
| 177 | #undef RETURN | ||
| 178 | #define RETURN(status)do { ErrorStatus = status; goto error; } while(0) \ | ||
| 179 | do { \ | ||
| 180 | ErrorStatus = status; \ | ||
| 181 | goto error; \ | ||
| 182 | } while(0) | ||
| 183 | |||
| 184 | /* | ||
| 185 | * This function scans the given image and stores the found informations in | ||
| 186 | * the given XpmImage structure. | ||
| 187 | */ | ||
| 188 | int | ||
| 189 | XpmCreateXpmImageFromImage( | ||
| 190 | Display *display, | ||
| 191 | XImage *image, | ||
| 192 | XImage *shapeimage, | ||
| 193 | XpmImage *xpmimage, | ||
| 194 | XpmAttributes *attributes) | ||
| 195 | { | ||
| 196 | /* variables stored in the XpmAttributes structure */ | ||
| 197 | unsigned int cpp; | ||
| 198 | |||
| 199 | /* variables to return */ | ||
| 200 | PixelsMap pmap; | ||
| 201 | XpmColor *colorTable = NULL((void*)0); | ||
| 202 | int ErrorStatus = 0; | ||
| 203 | |||
| 204 | /* calculation variables */ | ||
| 205 | unsigned int width = 0; | ||
| 206 | unsigned int height = 0; | ||
| 207 | unsigned int cppm; /* minimum chars per pixel */ | ||
| 208 | unsigned int c; | ||
| 209 | |||
| 210 | /* initialize pmap */ | ||
| 211 | pmap.pixels = NULL((void*)0); | ||
| 212 | pmap.pixelindex = NULL((void*)0); | ||
| 213 | pmap.size = 256; /* should be enough most of the time */ | ||
| 214 | pmap.ncolors = 0; | ||
| 215 | pmap.mask_pixel = 0; | ||
| 216 | |||
| 217 | /* | ||
| 218 | * get geometry | ||
| 219 | */ | ||
| 220 | if (image) { | ||
| 221 | width = image->width; | ||
| 222 | height = image->height; | ||
| 223 | } else if (shapeimage) { | ||
| 224 | width = shapeimage->width; | ||
| 225 | height = shapeimage->height; | ||
| 226 | } | ||
| 227 | |||
| 228 | /* | ||
| 229 | * retrieve information from the XpmAttributes | ||
| 230 | */ | ||
| 231 | if (attributes && (attributes->valuemask & XpmCharsPerPixel(1L<<5) | ||
| 232 | /* 3.2 backward compatibility code */ | ||
| 233 | || attributes->valuemask & XpmInfos(1L<<8))) | ||
| 234 | /* end 3.2 bc */ | ||
| 235 | cpp = attributes->cpp; | ||
| 236 | else | ||
| 237 | cpp = 0; | ||
| 238 | |||
| 239 | if ((height > 0 && width >= UINT_MAX(2147483647 *2U +1U) / height) || | ||
| 240 | width * height >= UINT_MAX(2147483647 *2U +1U) / sizeof(unsigned int)) | ||
| 241 | RETURN(XpmNoMemory)do { ErrorStatus = -3; goto error; } while(0); | ||
| 242 | pmap.pixelindex = | ||
| 243 | (unsigned int *) XpmCalloc(width * height, sizeof(unsigned int))calloc((width * height), (sizeof(unsigned int))); | ||
| 244 | if (!pmap.pixelindex) | ||
| 245 | RETURN(XpmNoMemory)do { ErrorStatus = -3; goto error; } while(0); | ||
| 246 | |||
| 247 | if (pmap.size >= UINT_MAX(2147483647 *2U +1U) / sizeof(Pixel)) | ||
| 248 | RETURN(XpmNoMemory)do { ErrorStatus = -3; goto error; } while(0); | ||
| 249 | |||
| 250 | pmap.pixels = (Pixel *) XpmMalloc(sizeof(Pixel) * pmap.size)malloc((sizeof(Pixel) * pmap.size)); | ||
| 251 | if (!pmap.pixels) | ||
| 252 | RETURN(XpmNoMemory)do { ErrorStatus = -3; goto error; } while(0); | ||
| 253 | |||
| 254 | /* | ||
| 255 | * scan shape mask if any | ||
| 256 | */ | ||
| 257 | if (shapeimage) { | ||
| 258 | #ifndef FOR_MSW | ||
| 259 | # ifndef AMIGA | ||
| 260 | ErrorStatus = GetImagePixels1(shapeimage, width, height, &pmap, | ||
| 261 | storeMaskPixel); | ||
| 262 | # else | ||
| 263 | ErrorStatus = AGetImagePixels(shapeimage, width, height, &pmap, | ||
| 264 | storeMaskPixel); | ||
| 265 | # endif | ||
| 266 | #else | ||
| 267 | ErrorStatus = MSWGetImagePixels(display, shapeimage, width, height, | ||
| 268 | &pmap, storeMaskPixel); | ||
| 269 | #endif | ||
| 270 | if (ErrorStatus != XpmSuccess0) | ||
| 271 | RETURN(ErrorStatus)do { ErrorStatus = ErrorStatus; goto error; } while(0); | ||
| 272 | } | ||
| 273 | |||
| 274 | /* | ||
| 275 | * scan the image data | ||
| 276 | * | ||
| 277 | * In case depth is 1 or bits_per_pixel is 4, 6, 8, 24 or 32 use optimized | ||
| 278 | * functions, otherwise use slower but sure general one. | ||
| 279 | * | ||
| 280 | */ | ||
| 281 | |||
| 282 | if (image) { | ||
| 283 | #ifndef FOR_MSW | ||
| 284 | # ifndef AMIGA | ||
| 285 | if (((image->bits_per_pixel | image->depth) == 1) && | ||
| 286 | (image->byte_order == image->bitmap_bit_order)) | ||
| 287 | ErrorStatus = GetImagePixels1(image, width, height, &pmap, | ||
| 288 | storePixel); | ||
| 289 | else if (image->format == ZPixmap2) { | ||
| 290 | if (image->bits_per_pixel == 8) | ||
| 291 | ErrorStatus = GetImagePixels8(image, width, height, &pmap); | ||
| 292 | else if (image->bits_per_pixel == 16) | ||
| 293 | ErrorStatus = GetImagePixels16(image, width, height, &pmap); | ||
| 294 | else if (image->bits_per_pixel == 32) | ||
| 295 | ErrorStatus = GetImagePixels32(image, width, height, &pmap); | ||
| 296 | } else | ||
| 297 | ErrorStatus = GetImagePixels(image, width, height, &pmap); | ||
| 298 | # else | ||
| 299 | ErrorStatus = AGetImagePixels(image, width, height, &pmap, | ||
| 300 | storePixel); | ||
| 301 | # endif | ||
| 302 | #else | ||
| 303 | ErrorStatus = MSWGetImagePixels(display, image, width, height, &pmap, | ||
| 304 | storePixel); | ||
| 305 | #endif | ||
| 306 | if (ErrorStatus != XpmSuccess0) | ||
| 307 | RETURN(ErrorStatus)do { ErrorStatus = ErrorStatus; goto error; } while(0); | ||
| 308 | } | ||
| 309 | |||
| 310 | /* | ||
| 311 | * get rgb values and a string of char, and possibly a name for each | ||
| 312 | * color | ||
| 313 | */ | ||
| 314 | if (pmap.ncolors >= UINT_MAX(2147483647 *2U +1U) / sizeof(XpmColor)) | ||
| 315 | RETURN(XpmNoMemory)do { ErrorStatus = -3; goto error; } while(0); | ||
| 316 | colorTable = (XpmColor *) XpmCalloc(pmap.ncolors, sizeof(XpmColor))calloc((pmap.ncolors), (sizeof(XpmColor))); | ||
| 317 | if (!colorTable) | ||
| 318 | RETURN(XpmNoMemory)do { ErrorStatus = -3; goto error; } while(0); | ||
| 319 | |||
| 320 | /* compute the minimal cpp */ | ||
| 321 | for (cppm = 1, c = MAXPRINTABLE92; pmap.ncolors > c; cppm++) | ||
| 322 | c *= MAXPRINTABLE92; | ||
| 323 | if (cpp < cppm) | ||
| 324 | cpp = cppm; | ||
| 325 | |||
| 326 | if (pmap.mask_pixel) { | ||
| 327 | ErrorStatus = ScanTransparentColor(colorTable, cpp, attributes); | ||
| 328 | if (ErrorStatus != XpmSuccess0) | ||
| 329 | RETURN(ErrorStatus)do { ErrorStatus = ErrorStatus; goto error; } while(0); | ||
| 330 | } | ||
| 331 | |||
| 332 | ErrorStatus = ScanOtherColors(display, colorTable, pmap.ncolors, | ||
| 333 | pmap.pixels, pmap.mask_pixel, cpp, | ||
| 334 | attributes); | ||
| 335 | if (ErrorStatus != XpmSuccess0) | ||
| 336 | RETURN(ErrorStatus)do { ErrorStatus = ErrorStatus; goto error; } while(0); | ||
| 337 | |||
| 338 | /* | ||
| 339 | * store found informations in the XpmImage structure | ||
| 340 | */ | ||
| 341 | xpmimage->width = width; | ||
| 342 | xpmimage->height = height; | ||
| 343 | xpmimage->cpp = cpp; | ||
| 344 | xpmimage->ncolors = pmap.ncolors; | ||
| 345 | xpmimage->colorTable = colorTable; | ||
| 346 | xpmimage->data = pmap.pixelindex; | ||
| 347 | |||
| 348 | XpmFree(pmap.pixels)free(pmap.pixels); | ||
| 349 | return (XpmSuccess0); | ||
| 350 | |||
| 351 | /* exit point in case of error, free only locally allocated variables */ | ||
| 352 | error: | ||
| 353 | if (pmap.pixelindex) | ||
| 354 | XpmFree(pmap.pixelindex)free(pmap.pixelindex); | ||
| 355 | if (pmap.pixels) | ||
| 356 | XpmFree(pmap.pixels)free(pmap.pixels); | ||
| 357 | if (colorTable) | ||
| 358 | xpmFreeColorTable(colorTable, pmap.ncolors); | ||
| 359 | |||
| 360 | return (ErrorStatus); | ||
| 361 | } | ||
| 362 | |||
| 363 | static int | ||
| 364 | ScanTransparentColor( | ||
| 365 | XpmColor *color, | ||
| 366 | unsigned int cpp, | ||
| 367 | XpmAttributes *attributes) | ||
| 368 | { | ||
| 369 | char *s; | ||
| 370 | unsigned int a, b, c; | ||
| 371 | |||
| 372 | /* first get a character string */ | ||
| 373 | a = 0; | ||
| 374 | if (cpp >= UINT_MAX(2147483647 *2U +1U) - 1) | ||
| 375 | return (XpmNoMemory-3); | ||
| 376 | if (!(s = color->string = (char *) XpmMalloc(cpp + 1)malloc((cpp + 1)))) | ||
| 377 | return (XpmNoMemory-3); | ||
| 378 | *s++ = printable[c = a % MAXPRINTABLE92]; | ||
| 379 | for (b = 1; b < cpp; b++, s++) | ||
| 380 | *s = printable[c = ((a - c) / MAXPRINTABLE92) % MAXPRINTABLE92]; | ||
| 381 | *s = '\0'; | ||
| 382 | |||
| 383 | /* then retreive related info from the attributes if any */ | ||
| 384 | if (attributes && (attributes->valuemask & XpmColorTable(1L<<15) | ||
| 385 | /* 3.2 backward compatibility code */ | ||
| 386 | || attributes->valuemask & XpmInfos(1L<<8)) | ||
| 387 | /* end 3.2 bc */ | ||
| 388 | && attributes->mask_pixel != XpmUndefPixel0x80000000) { | ||
| 389 | |||
| 390 | unsigned int key; | ||
| 391 | char **defaults = (char **) color; | ||
| 392 | char **mask_defaults; | ||
| 393 | |||
| 394 | /* 3.2 backward compatibility code */ | ||
| 395 | if (attributes->valuemask & XpmColorTable(1L<<15)) | ||
| 396 | /* end 3.2 bc */ | ||
| 397 | mask_defaults = (char **) ( | ||
| 398 | attributes->colorTable + attributes->mask_pixel); | ||
| 399 | /* 3.2 backward compatibility code */ | ||
| 400 | else | ||
| 401 | mask_defaults = (char **) | ||
| 402 | ((XpmColor **) attributes->colorTable)[attributes->mask_pixel]; | ||
| 403 | /* end 3.2 bc */ | ||
| 404 | for (key = 1; key <= NKEYS5; key++) { | ||
| 405 | if ((s = mask_defaults[key])) { | ||
| 406 | defaults[key] = (char *) xpmstrdupstrdup(s); | ||
| 407 | if (!defaults[key]) | ||
| 408 | return (XpmNoMemory-3); | ||
| 409 | } | ||
| 410 | } | ||
| 411 | } else { | ||
| 412 | color->c_color = (char *) xpmstrdupstrdup(TRANSPARENT_COLOR"None"); | ||
| 413 | if (!color->c_color) | ||
| 414 | return (XpmNoMemory-3); | ||
| 415 | } | ||
| 416 | return (XpmSuccess0); | ||
| 417 | } | ||
| 418 | |||
| 419 | static int | ||
| 420 | ScanOtherColors( | ||
| 421 | Display *display, | ||
| 422 | XpmColor *colors, | ||
| 423 | unsigned int ncolors, | ||
| 424 | Pixel *pixels, | ||
| 425 | unsigned int mask, | ||
| 426 | unsigned int cpp, | ||
| 427 | XpmAttributes *attributes) | ||
| 428 | { | ||
| 429 | /* variables stored in the XpmAttributes structure */ | ||
| 430 | Colormap colormap; | ||
| 431 | char *rgb_fname; | ||
| 432 | |||
| 433 | #ifndef FOR_MSW | ||
| 434 | xpmRgbName rgbn[MAX_RGBNAMES1024]; | ||
| 435 | #else | ||
| 436 | xpmRgbName *rgbn = NULL((void*)0); | ||
| 437 | #endif | ||
| 438 | int rgbn_max = 0; | ||
| 439 | unsigned int i, j, c, i2; | ||
| 440 | XpmColor *color; | ||
| 441 | XColor *xcolors = NULL((void*)0), *xcolor; | ||
| 442 | char *colorname, *s; | ||
| 443 | XpmColor *colorTable = NULL((void*)0), **oldColorTable = NULL((void*)0); | ||
| 444 | unsigned int ancolors = 0; | ||
| 445 | Pixel *apixels = NULL((void*)0); | ||
| 446 | unsigned int mask_pixel = 0; | ||
| 447 | Boolint found; | ||
| 448 | |||
| 449 | /* retrieve information from the XpmAttributes */ | ||
| 450 | if (attributes && (attributes->valuemask & XpmColormap(1L<<1))) | ||
| |||
| 451 | colormap = attributes->colormap; | ||
| 452 | else | ||
| 453 | colormap = XDefaultColormap(display, XDefaultScreen(display)); | ||
| 454 | if (attributes && (attributes->valuemask & XpmRgbFilename(1L<<7))) | ||
| |||
| 455 | rgb_fname = attributes->rgb_fname; | ||
| 456 | else | ||
| 457 | rgb_fname = NULL((void*)0); | ||
| 458 | |||
| 459 | /* start from the right element */ | ||
| 460 | if (mask) { | ||
| |||
| |||
| 461 | colors++; | ||
| 462 | ncolors--; | ||
| 463 | pixels++; | ||
| 464 | } | ||
| 465 | |||
| 466 | /* first get character strings and rgb values */ | ||
| 467 | if (ncolors >= UINT_MAX(2147483647 *2U +1U) / sizeof(XColor) || cpp >= UINT_MAX(2147483647 *2U +1U) - 1) | ||
| |||
| 468 | return (XpmNoMemory-3); | ||
| 469 | xcolors = (XColor *) XpmMalloc(sizeof(XColor) * ncolors)malloc((sizeof(XColor) * ncolors)); | ||
| 470 | if (!xcolors) | ||
| |||
| |||
| 471 | return (XpmNoMemory-3); | ||
| 472 | |||
| 473 | for (i = 0, i2 = mask, color = colors, xcolor = xcolors; | ||
| |||
| |||
| 474 | i < ncolors; i++, i2++, color++, xcolor++, pixels++) { | ||
| |||
| |||
| 475 | |||
| 476 | if (!(s = color->string = (char *) XpmMalloc(cpp + 1)malloc((cpp + 1)))) { | ||
| |||
| |||
| 477 | XpmFree(xcolors)free(xcolors); | ||
| 478 | return (XpmNoMemory-3); | ||
| 479 | } | ||
| 480 | *s++ = printable[c = i2 % MAXPRINTABLE92]; | ||
| 481 | for (j = 1; j < cpp; j++, s++) | ||
| |||
| |||
| 482 | *s = printable[c = ((i2 - c) / MAXPRINTABLE92) % MAXPRINTABLE92]; | ||
| 483 | *s = '\0'; | ||
| 484 | |||
| 485 | xcolor->pixel = *pixels; | ||
| 486 | } | ||
| 487 | XQueryColors(display, colormap, xcolors, ncolors); | ||
| 488 | |||
| 489 | #ifndef FOR_MSW | ||
| 490 | /* read the rgb file if any was specified */ | ||
| 491 | if (rgb_fname) | ||
| |||
| 492 | rgbn_max = xpmReadRgbNames(attributes->rgb_fname, rgbn); | ||
| 493 | #else | ||
| 494 | /* FOR_MSW: rgb names and values are hardcoded in rgbtab.h */ | ||
| 495 | rgbn_max = xpmReadRgbNames(NULL((void*)0), NULL((void*)0)); | ||
| 496 | #endif | ||
| 497 | |||
| 498 | if (attributes && attributes->valuemask & XpmColorTable(1L<<15)) { | ||
| |||
| 499 | colorTable = attributes->colorTable; | ||
| 500 | ancolors = attributes->ncolors; | ||
| 501 | apixels = attributes->pixels; | ||
| 502 | mask_pixel = attributes->mask_pixel; | ||
| 503 | } | ||
| 504 | /* 3.2 backward compatibility code */ | ||
| 505 | else if (attributes && attributes->valuemask & XpmInfos(1L<<8)) { | ||
| |||
| 506 | oldColorTable = (XpmColor **) attributes->colorTable; | ||
| 507 | ancolors = attributes->ncolors; | ||
| 508 | apixels = attributes->pixels; | ||
| 509 | mask_pixel = attributes->mask_pixel; | ||
| 510 | } | ||
| 511 | /* end 3.2 bc */ | ||
| 512 | |||
| 513 | for (i = 0, color = colors, xcolor = xcolors; i < ncolors; | ||
| |||
| 514 | i++, color++, xcolor++) { | ||
| 515 | |||
| 516 | /* look for related info from the attributes if any */ | ||
| 517 | found = False0; | ||
| 518 | if (ancolors) { | ||
| |||
| |||
| 519 | unsigned int offset = 0; | ||
| 520 | |||
| 521 | for (j = 0; j < ancolors; j++) { | ||
| |||
| 522 | if (j == mask_pixel) { | ||
| |||
| |||
| 523 | offset = 1; | ||
| 524 | continue; | ||
| 525 | } | ||
| 526 | if (apixels[j - offset] == xcolor->pixel) | ||
| |||
| 527 | break; | ||
| |||
| 528 | } | ||
| 529 | if (j != ancolors) { | ||
| |||
| 530 | unsigned int key; | ||
| 531 | char **defaults = (char **) color; | ||
| 532 | char **adefaults; | ||
| 533 | |||
| 534 | /* 3.2 backward compatibility code */ | ||
| 535 | if (oldColorTable) | ||
| |||
| |||
| 536 | adefaults = (char **) oldColorTable[j]; | ||
| 537 | else | ||
| 538 | /* end 3.2 bc */ | ||
| 539 | adefaults = (char **) (colorTable + j); | ||
| 540 | |||
| 541 | found = True1; | ||
| 542 | for (key = 1; key <= NKEYS5; key++) { | ||
| |||
| 543 | if ((s = adefaults[key])) | ||
| |||
| 544 | defaults[key] = (char *) xpmstrdupstrdup(s); | ||
| 545 | } | ||
| 546 | } | ||
| 547 | } | ||
| 548 | if (!found) { | ||
| 549 | /* if nothing found look for a color name */ | ||
| 550 | colorname = NULL((void*)0); | ||
| 551 | if (rgbn_max) | ||
| 552 | colorname = xpmGetRgbName(rgbn, rgbn_max, xcolor->red, | ||
| 553 | xcolor->green, xcolor->blue); | ||
| 554 | if (colorname) | ||
| 555 | color->c_color = (char *) xpmstrdupstrdup(colorname); | ||
| 556 | else { | ||
| 557 | /* at last store the rgb value */ | ||
| 558 | char buf[BUFSIZ8192]; | ||
| 559 | #ifndef FOR_MSW | ||
| 560 | sprintf(buf, "#%04X%04X%04X", | ||
| 561 | xcolor->red, xcolor->green, xcolor->blue); | ||
| 562 | #else | ||
| 563 | sprintf(buf, "#%02x%02x%02x", | ||
| 564 | xcolor->red, xcolor->green, xcolor->blue); | ||
| 565 | #endif | ||
| 566 | color->c_color = (char *) xpmstrdupstrdup(buf); | ||
| 567 | } | ||
| 568 | if (!color->c_color) { | ||
| 569 | XpmFree(xcolors)free(xcolors); | ||
| 570 | xpmFreeRgbNames(rgbn, rgbn_max); | ||
| 571 | return (XpmNoMemory-3); | ||
| 572 | } | ||
| 573 | } | ||
| 574 | } | ||
| 575 | |||
| 576 | XpmFree(xcolors)free(xcolors); | ||
| 577 | xpmFreeRgbNames(rgbn, rgbn_max); | ||
| 578 | return (XpmSuccess0); | ||
| 579 | } | ||
| 580 | |||
| 581 | #ifndef FOR_MSW | ||
| 582 | # ifndef AMIGA | ||
| 583 | /* | ||
| 584 | * The functions below are written from X11R5 MIT's code (XImUtil.c) | ||
| 585 | * | ||
| 586 | * The idea is to have faster functions than the standard XGetPixel function | ||
| 587 | * to scan the image data. Indeed we can speed up things by suppressing tests | ||
| 588 | * performed for each pixel. We do exactly the same tests but at the image | ||
| 589 | * level. | ||
| 590 | */ | ||
| 591 | |||
| 592 | static unsigned long const low_bits_table[] = { | ||
| 593 | 0x00000000, 0x00000001, 0x00000003, 0x00000007, | ||
| 594 | 0x0000000f, 0x0000001f, 0x0000003f, 0x0000007f, | ||
| 595 | 0x000000ff, 0x000001ff, 0x000003ff, 0x000007ff, | ||
| 596 | 0x00000fff, 0x00001fff, 0x00003fff, 0x00007fff, | ||
| 597 | 0x0000ffff, 0x0001ffff, 0x0003ffff, 0x0007ffff, | ||
| 598 | 0x000fffff, 0x001fffff, 0x003fffff, 0x007fffff, | ||
| 599 | 0x00ffffff, 0x01ffffff, 0x03ffffff, 0x07ffffff, | ||
| 600 | 0x0fffffff, 0x1fffffff, 0x3fffffff, 0x7fffffff, | ||
| 601 | 0xffffffff | ||
| 602 | }; | ||
| 603 | |||
| 604 | /* | ||
| 605 | * Default method to scan pixels of an image data structure. | ||
| 606 | * The algorithm used is: | ||
| 607 | * | ||
| 608 | * copy the source bitmap_unit or Zpixel into temp | ||
| 609 | * normalize temp if needed | ||
| 610 | * extract the pixel bits into return value | ||
| 611 | * | ||
| 612 | */ | ||
| 613 | |||
| 614 | static int | ||
| 615 | GetImagePixels( | ||
| 616 | XImage *image, | ||
| 617 | unsigned int width, | ||
| 618 | unsigned int height, | ||
| 619 | PixelsMap *pmap) | ||
| 620 | { | ||
| 621 | char *src; | ||
| 622 | char *dst; | ||
| 623 | unsigned int *iptr; | ||
| 624 | char *data; | ||
| 625 | unsigned int x, y; | ||
| 626 | int bits, depth, ibu, ibpp, offset, i; | ||
| 627 | unsigned long lbt; | ||
| 628 | Pixel pixel, px; | ||
| 629 | |||
| 630 | data = image->data; | ||
| 631 | iptr = pmap->pixelindex; | ||
| 632 | depth = image->depth; | ||
| 633 | lbt = low_bits_table[depth]; | ||
| 634 | ibpp = image->bits_per_pixel; | ||
| 635 | offset = image->xoffset; | ||
| 636 | |||
| 637 | if (image->bitmap_unit < 0) | ||
| 638 | return (XpmNoMemory-3); | ||
| 639 | |||
| 640 | if ((image->bits_per_pixel | image->depth) == 1) { | ||
| 641 | ibu = image->bitmap_unit; | ||
| 642 | for (y = 0; y < height; y++) | ||
| 643 | for (x = 0; x < width; x++, iptr++) { | ||
| 644 | src = &data[XYINDEX(x, y, image)((y) * image->bytes_per_line) + (((x) + image->xoffset) / image->bitmap_unit) * (image->bitmap_unit >> 3 )]; | ||
| 645 | dst = (char *) &pixel; | ||
| 646 | pixel = 0; | ||
| 647 | for (i = ibu >> 3; --i >= 0;) | ||
| 648 | *dst++ = *src++; | ||
| 649 | XYNORMALIZE(&pixel, image)if ((image->byte_order == 1) || (image->bitmap_bit_order == 1)) xpm_xynormalizeimagebits((unsigned char *)(&pixel ), image); | ||
| 650 | bits = (x + offset) % ibu; | ||
| 651 | pixel = ((((char *) &pixel)[bits >> 3]) >> (bits & 7)) & 1; | ||
| 652 | if (ibpp != depth) | ||
| 653 | pixel &= lbt; | ||
| 654 | if (storePixel(pixel, pmap, iptr)) | ||
| 655 | return (XpmNoMemory-3); | ||
| 656 | } | ||
| 657 | } else if (image->format == XYPixmap1) { | ||
| 658 | int nbytes, bpl, j; | ||
| 659 | long plane = 0; | ||
| 660 | ibu = image->bitmap_unit; | ||
| 661 | nbytes = ibu >> 3; | ||
| 662 | bpl = image->bytes_per_line; | ||
| 663 | for (y = 0; y < height; y++) | ||
| 664 | for (x = 0; x < width; x++, iptr++) { | ||
| 665 | pixel = 0; | ||
| 666 | plane = 0; | ||
| 667 | for (i = depth; --i >= 0;) { | ||
| 668 | src = &data[XYINDEX(x, y, image)((y) * image->bytes_per_line) + (((x) + image->xoffset) / image->bitmap_unit) * (image->bitmap_unit >> 3 ) + plane]; | ||
| 669 | dst = (char *) &px; | ||
| 670 | px = 0; | ||
| 671 | for (j = nbytes; --j >= 0;) | ||
| 672 | *dst++ = *src++; | ||
| 673 | XYNORMALIZE(&px, image)if ((image->byte_order == 1) || (image->bitmap_bit_order == 1)) xpm_xynormalizeimagebits((unsigned char *)(&px), image ); | ||
| 674 | bits = (x + offset) % ibu; | ||
| 675 | pixel = (pixel << 1) | | ||
| 676 | (((((char *) &px)[bits >> 3]) >> (bits & 7)) & 1); | ||
| 677 | plane = plane + (bpl * height); | ||
| 678 | } | ||
| 679 | if (ibpp != depth) | ||
| 680 | pixel &= lbt; | ||
| 681 | if (storePixel(pixel, pmap, iptr)) | ||
| 682 | return (XpmNoMemory-3); | ||
| 683 | } | ||
| 684 | } else if (image->format == ZPixmap2) { | ||
| 685 | for (y = 0; y < height; y++) | ||
| 686 | for (x = 0; x < width; x++, iptr++) { | ||
| 687 | src = &data[ZINDEX(x, y, image)((y) * image->bytes_per_line) + (((x) * image->bits_per_pixel ) >> 3)]; | ||
| 688 | dst = (char *) &px; | ||
| 689 | px = 0; | ||
| 690 | for (i = (ibpp + 7) >> 3; --i >= 0;) | ||
| 691 | *dst++ = *src++; | ||
| 692 | ZNORMALIZE(&px, image)if (image->byte_order == 1) xpm_znormalizeimagebits((unsigned char *)(&px), image); | ||
| 693 | pixel = 0; | ||
| 694 | for (i = sizeof(unsigned long); --i >= 0;) | ||
| 695 | pixel = (pixel << 8) | ((unsigned char *) &px)[i]; | ||
| 696 | if (ibpp == 4) { | ||
| 697 | if (x & 1) | ||
| 698 | pixel >>= 4; | ||
| 699 | else | ||
| 700 | pixel &= 0xf; | ||
| 701 | } | ||
| 702 | if (ibpp != depth) | ||
| 703 | pixel &= lbt; | ||
| 704 | if (storePixel(pixel, pmap, iptr)) | ||
| 705 | return (XpmNoMemory-3); | ||
| 706 | } | ||
| 707 | } else | ||
| 708 | return (XpmColorError1); /* actually a bad image */ | ||
| 709 | return (XpmSuccess0); | ||
| 710 | } | ||
| 711 | |||
| 712 | /* | ||
| 713 | * scan pixels of a 32-bits Z image data structure | ||
| 714 | */ | ||
| 715 | |||
| 716 | #if !defined(WORD64) && !defined(LONG64) | ||
| 717 | static unsigned long byteorderpixel = MSBFirst1 << 24; | ||
| 718 | #endif | ||
| 719 | |||
| 720 | static int | ||
| 721 | GetImagePixels32( | ||
| 722 | XImage *image, | ||
| 723 | unsigned int width, | ||
| 724 | unsigned int height, | ||
| 725 | PixelsMap *pmap) | ||
| 726 | { | ||
| 727 | unsigned char *addr; | ||
| 728 | unsigned char *data; | ||
| 729 | unsigned int *iptr; | ||
| 730 | unsigned int x, y; | ||
| 731 | unsigned long lbt; | ||
| 732 | Pixel pixel; | ||
| 733 | int depth; | ||
| 734 | |||
| 735 | data = (unsigned char *) image->data; | ||
| 736 | iptr = pmap->pixelindex; | ||
| 737 | depth = image->depth; | ||
| 738 | lbt = low_bits_table[depth]; | ||
| 739 | #if !defined(WORD64) && !defined(LONG64) | ||
| 740 | if (*((char *) &byteorderpixel) == image->byte_order) { | ||
| 741 | for (y = 0; y < height; y++) | ||
| 742 | for (x = 0; x < width; x++, iptr++) { | ||
| 743 | addr = &data[ZINDEX32(x, y, image)((y) * image->bytes_per_line) + ((x) << 2)]; | ||
| 744 | pixel = *((unsigned long *) addr); | ||
| 745 | if (depth != 32) | ||
| 746 | pixel &= lbt; | ||
| 747 | if (storePixel(pixel, pmap, iptr)) | ||
| 748 | return (XpmNoMemory-3); | ||
| 749 | } | ||
| 750 | } else | ||
| 751 | #endif | ||
| 752 | if (image->byte_order == MSBFirst1) | ||
| 753 | for (y = 0; y < height; y++) | ||
| 754 | for (x = 0; x < width; x++, iptr++) { | ||
| 755 | addr = &data[ZINDEX32(x, y, image)((y) * image->bytes_per_line) + ((x) << 2)]; | ||
| 756 | pixel = ((unsigned long) addr[0] << 24 | | ||
| 757 | (unsigned long) addr[1] << 16 | | ||
| 758 | (unsigned long) addr[2] << 8 | | ||
| 759 | addr[3]); | ||
| 760 | if (depth != 32) | ||
| 761 | pixel &= lbt; | ||
| 762 | if (storePixel(pixel, pmap, iptr)) | ||
| 763 | return (XpmNoMemory-3); | ||
| 764 | } | ||
| 765 | else | ||
| 766 | for (y = 0; y < height; y++) | ||
| 767 | for (x = 0; x < width; x++, iptr++) { | ||
| 768 | addr = &data[ZINDEX32(x, y, image)((y) * image->bytes_per_line) + ((x) << 2)]; | ||
| 769 | pixel = (addr[0] | | ||
| 770 | (unsigned long) addr[1] << 8 | | ||
| 771 | (unsigned long) addr[2] << 16 | | ||
| 772 | (unsigned long) addr[3] << 24); | ||
| 773 | if (depth != 32) | ||
| 774 | pixel &= lbt; | ||
| 775 | if (storePixel(pixel, pmap, iptr)) | ||
| 776 | return (XpmNoMemory-3); | ||
| 777 | } | ||
| 778 | return (XpmSuccess0); | ||
| 779 | } | ||
| 780 | |||
| 781 | /* | ||
| 782 | * scan pixels of a 16-bits Z image data structure | ||
| 783 | */ | ||
| 784 | |||
| 785 | static int | ||
| 786 | GetImagePixels16( | ||
| 787 | XImage *image, | ||
| 788 | unsigned int width, | ||
| 789 | unsigned int height, | ||
| 790 | PixelsMap *pmap) | ||
| 791 | { | ||
| 792 | unsigned char *addr; | ||
| 793 | unsigned char *data; | ||
| 794 | unsigned int *iptr; | ||
| 795 | unsigned int x, y; | ||
| 796 | unsigned long lbt; | ||
| 797 | Pixel pixel; | ||
| 798 | int depth; | ||
| 799 | |||
| 800 | data = (unsigned char *) image->data; | ||
| 801 | iptr = pmap->pixelindex; | ||
| 802 | depth = image->depth; | ||
| 803 | lbt = low_bits_table[depth]; | ||
| 804 | if (image->byte_order == MSBFirst1) | ||
| 805 | for (y = 0; y < height; y++) | ||
| 806 | for (x = 0; x < width; x++, iptr++) { | ||
| 807 | addr = &data[ZINDEX16(x, y, image)((y) * image->bytes_per_line) + ((x) << 1)]; | ||
| 808 | pixel = addr[0] << 8 | addr[1]; | ||
| 809 | if (depth != 16) | ||
| 810 | pixel &= lbt; | ||
| 811 | if (storePixel(pixel, pmap, iptr)) | ||
| 812 | return (XpmNoMemory-3); | ||
| 813 | } | ||
| 814 | else | ||
| 815 | for (y = 0; y < height; y++) | ||
| 816 | for (x = 0; x < width; x++, iptr++) { | ||
| 817 | addr = &data[ZINDEX16(x, y, image)((y) * image->bytes_per_line) + ((x) << 1)]; | ||
| 818 | pixel = addr[0] | addr[1] << 8; | ||
| 819 | if (depth != 16) | ||
| 820 | pixel &= lbt; | ||
| 821 | if (storePixel(pixel, pmap, iptr)) | ||
| 822 | return (XpmNoMemory-3); | ||
| 823 | } | ||
| 824 | return (XpmSuccess0); | ||
| 825 | } | ||
| 826 | |||
| 827 | /* | ||
| 828 | * scan pixels of a 8-bits Z image data structure | ||
| 829 | */ | ||
| 830 | |||
| 831 | static int | ||
| 832 | GetImagePixels8( | ||
| 833 | XImage *image, | ||
| 834 | unsigned int width, | ||
| 835 | unsigned int height, | ||
| 836 | PixelsMap *pmap) | ||
| 837 | { | ||
| 838 | unsigned int *iptr; | ||
| 839 | unsigned char *data; | ||
| 840 | unsigned int x, y; | ||
| 841 | unsigned long lbt; | ||
| 842 | Pixel pixel; | ||
| 843 | int depth; | ||
| 844 | |||
| 845 | data = (unsigned char *) image->data; | ||
| 846 | iptr = pmap->pixelindex; | ||
| 847 | depth = image->depth; | ||
| 848 | lbt = low_bits_table[depth]; | ||
| 849 | for (y = 0; y < height; y++) | ||
| 850 | for (x = 0; x < width; x++, iptr++) { | ||
| 851 | pixel = data[ZINDEX8(x, y, image)((y) * image->bytes_per_line) + (x)]; | ||
| 852 | if (depth != 8) | ||
| 853 | pixel &= lbt; | ||
| 854 | if (storePixel(pixel, pmap, iptr)) | ||
| 855 | return (XpmNoMemory-3); | ||
| 856 | } | ||
| 857 | return (XpmSuccess0); | ||
| 858 | } | ||
| 859 | |||
| 860 | /* | ||
| 861 | * scan pixels of a 1-bit depth Z image data structure | ||
| 862 | */ | ||
| 863 | |||
| 864 | static int | ||
| 865 | GetImagePixels1( | ||
| 866 | XImage *image, | ||
| 867 | unsigned int width, | ||
| 868 | unsigned int height, | ||
| 869 | PixelsMap *pmap, | ||
| 870 | storeFuncPtr storeFunc) | ||
| 871 | { | ||
| 872 | unsigned int *iptr; | ||
| 873 | unsigned int x, y; | ||
| 874 | char *data; | ||
| 875 | Pixel pixel; | ||
| 876 | int xoff, yoff, offset, bpl; | ||
| 877 | |||
| 878 | data = image->data; | ||
| 879 | iptr = pmap->pixelindex; | ||
| 880 | offset = image->xoffset; | ||
| 881 | bpl = image->bytes_per_line; | ||
| 882 | |||
| 883 | if (image->bitmap_bit_order == MSBFirst1) | ||
| 884 | for (y = 0; y < height; y++) | ||
| 885 | for (x = 0; x < width; x++, iptr++) { | ||
| 886 | xoff = x + offset; | ||
| 887 | yoff = y * bpl + (xoff >> 3); | ||
| 888 | xoff &= 7; | ||
| 889 | pixel = (data[yoff] & (0x80 >> xoff)) ? 1 : 0; | ||
| 890 | if ((*storeFunc) (pixel, pmap, iptr)) | ||
| 891 | return (XpmNoMemory-3); | ||
| 892 | } | ||
| 893 | else | ||
| 894 | for (y = 0; y < height; y++) | ||
| 895 | for (x = 0; x < width; x++, iptr++) { | ||
| 896 | xoff = x + offset; | ||
| 897 | yoff = y * bpl + (xoff >> 3); | ||
| 898 | xoff &= 7; | ||
| 899 | pixel = (data[yoff] & (1 << xoff)) ? 1 : 0; | ||
| 900 | if ((*storeFunc) (pixel, pmap, iptr)) | ||
| 901 | return (XpmNoMemory-3); | ||
| 902 | } | ||
| 903 | return (XpmSuccess0); | ||
| 904 | } | ||
| 905 | |||
| 906 | # else /* AMIGA */ | ||
| 907 | |||
| 908 | #define CLEAN_UP(status) \ | ||
| 909 | do {\ | ||
| 910 | if (pixels) XpmFree (pixels)free(pixels);\ | ||
| 911 | if (tmp_img) FreeXImage (tmp_img);\ | ||
| 912 | return (status);\ | ||
| 913 | } while(0) | ||
| 914 | |||
| 915 | static int | ||
| 916 | AGetImagePixels ( | ||
| 917 | XImage *image, | ||
| 918 | unsigned int width, | ||
| 919 | unsigned int height, | ||
| 920 | PixelsMap *pmap, | ||
| 921 | int (*storeFunc) (Pixel, PixelsMap *, unsigned int *)) | ||
| 922 | { | ||
| 923 | unsigned int *iptr; | ||
| 924 | unsigned int x, y; | ||
| 925 | unsigned char *pixels; | ||
| 926 | XImage *tmp_img; | ||
| 927 | |||
| 928 | pixels = XpmMalloc ((((width+15)>>4)<<4)*sizeof (*pixels))malloc(((((width+15)>>4)<<4)*sizeof (*pixels))); | ||
| 929 | if (pixels == NULL((void*)0)) | ||
| 930 | return XpmNoMemory-3; | ||
| 931 | |||
| 932 | tmp_img = AllocXImage ((((width+15)>>4)<<4), 1, image->rp->BitMap->Depth); | ||
| 933 | if (tmp_img == NULL((void*)0)) | ||
| 934 | CLEAN_UP (XpmNoMemory-3); | ||
| 935 | |||
| 936 | iptr = pmap->pixelindex; | ||
| 937 | for (y = 0; y < height; ++y) | ||
| 938 | { | ||
| 939 | ReadPixelLine8 (image->rp, 0, y, width, pixels, tmp_img->rp); | ||
| 940 | for (x = 0; x < width; ++x, ++iptr) | ||
| 941 | { | ||
| 942 | if ((*storeFunc) (pixels[x], pmap, iptr)) | ||
| 943 | CLEAN_UP (XpmNoMemory-3); | ||
| 944 | } | ||
| 945 | } | ||
| 946 | |||
| 947 | CLEAN_UP (XpmSuccess0); | ||
| 948 | } | ||
| 949 | |||
| 950 | #undef CLEAN_UP | ||
| 951 | |||
| 952 | # endif/* AMIGA */ | ||
| 953 | #else /* ndef FOR_MSW */ | ||
| 954 | static int | ||
| 955 | MSWGetImagePixels( | ||
| 956 | Display *display, | ||
| 957 | XImage *image, | ||
| 958 | unsigned int width, | ||
| 959 | unsigned int height, | ||
| 960 | PixelsMap *pmap, | ||
| 961 | int (*storeFunc) (Pixel, PixelsMap*, unsigned int *)) | ||
| 962 | { | ||
| 963 | unsigned int *iptr; | ||
| 964 | unsigned int x, y; | ||
| 965 | Pixel pixel; | ||
| 966 | |||
| 967 | iptr = pmap->pixelindex; | ||
| 968 | |||
| 969 | SelectObject(*display, image->bitmap); | ||
| 970 | for (y = 0; y < height; y++) { | ||
| 971 | for (x = 0; x < width; x++, iptr++) { | ||
| 972 | pixel = GetPixel(*display, x, y); | ||
| 973 | if ((*storeFunc) (pixel, pmap, iptr)) | ||
| 974 | return (XpmNoMemory-3); | ||
| 975 | } | ||
| 976 | } | ||
| 977 | return (XpmSuccess0); | ||
| 978 | } | ||
| 979 | |||
| 980 | #endif | ||
| 981 | |||
| 982 | #ifndef FOR_MSW | ||
| 983 | # ifndef AMIGA | ||
| 984 | int | ||
| 985 | XpmCreateXpmImageFromPixmap( | ||
| 986 | Display *display, | ||
| 987 | Pixmap pixmap, | ||
| 988 | Pixmap shapemask, | ||
| 989 | XpmImage *xpmimage, | ||
| 990 | XpmAttributes *attributes) | ||
| 991 | { | ||
| 992 | XImage *ximage = NULL((void*)0); | ||
| 993 | XImage *shapeimage = NULL((void*)0); | ||
| 994 | unsigned int width = 0; | ||
| 995 | unsigned int height = 0; | ||
| 996 | int ErrorStatus; | ||
| 997 | |||
| 998 | /* get geometry */ | ||
| 999 | if (attributes && attributes->valuemask & XpmSize(1L<<3)) { | ||
| 1000 | width = attributes->width; | ||
| 1001 | height = attributes->height; | ||
| 1002 | } | ||
| 1003 | /* get the ximages */ | ||
| 1004 | if (pixmap) | ||
| 1005 | xpmCreateImageFromPixmap(display, pixmap, &ximage, &width, &height); | ||
| 1006 | if (shapemask) | ||
| 1007 | xpmCreateImageFromPixmap(display, shapemask, &shapeimage, | ||
| 1008 | &width, &height); | ||
| 1009 | |||
| 1010 | /* create the related XpmImage */ | ||
| 1011 | ErrorStatus = XpmCreateXpmImageFromImage(display, ximage, shapeimage, | ||
| 1012 | xpmimage, attributes); | ||
| 1013 | |||
| 1014 | /* destroy the ximages */ | ||
| 1015 | if (ximage) | ||
| 1016 | XDestroyImage(ximage)((*((ximage)->f.destroy_image))((ximage))); | ||
| 1017 | if (shapeimage) | ||
| 1018 | XDestroyImage(shapeimage)((*((shapeimage)->f.destroy_image))((shapeimage))); | ||
| 1019 | |||
| 1020 | return (ErrorStatus); | ||
| 1021 | } | ||
| 1022 | |||
| 1023 | # endif/* not AMIGA */ | ||
| 1024 | #endif /* ndef FOR_MSW */ |