1 /* 2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3 % % 4 % % 5 % % 6 % V V IIIII FFFFF FFFFF % 7 % V V I F F % 8 % V V I FFF FFF % 9 % V V I F F % 10 % V IIIII F F % 11 % % 12 % % 13 % Read/Write Khoros Visualization Image Format % 14 % % 15 % Software Design % 16 % Cristy % 17 % July 1992 % 18 % % 19 % % 20 % Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization % 21 % dedicated to making software imaging solutions freely available. % 22 % % 23 % You may not use this file except in compliance with the License. You may % 24 % obtain a copy of the License at % 25 % % 26 % http://www.imagemagick.org/script/license.php % 27 % % 28 % Unless required by applicable law or agreed to in writing, software % 29 % distributed under the License is distributed on an "AS IS" BASIS, % 30 % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % 31 % See the License for the specific language governing permissions and % 32 % limitations under the License. % 33 % % 34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 35 % 36 % 37 */ 38 39 /* 41 Include declarations. 42 */ 43 #include "MagickCore/studio.h" 44 #include "MagickCore/attribute.h" 45 #include "MagickCore/blob.h" 46 #include "MagickCore/blob-private.h" 47 #include "MagickCore/cache.h" 48 #include "MagickCore/color.h" 49 #include "MagickCore/color-private.h" 50 #include "MagickCore/colormap.h" 51 #include "MagickCore/colormap-private.h" 52 #include "MagickCore/colorspace.h" 53 #include "MagickCore/colorspace-private.h" 54 #include "MagickCore/exception.h" 55 #include "MagickCore/exception-private.h" 56 #include "MagickCore/image.h" 57 #include "MagickCore/image-private.h" 58 #include "MagickCore/list.h" 59 #include "MagickCore/magick.h" 60 #include "MagickCore/memory_.h" 61 #include "MagickCore/memory-private.h" 62 #include "MagickCore/monitor.h" 63 #include "MagickCore/monitor-private.h" 64 #include "MagickCore/pixel-accessor.h" 65 #include "MagickCore/property.h" 66 #include "MagickCore/quantum-private.h" 67 #include "MagickCore/static.h" 68 #include "MagickCore/string_.h" 69 #include "MagickCore/module.h" 70 71 /* 73 Forward declarations. 74 */ 75 static MagickBooleanType 76 WriteVIFFImage(const ImageInfo *,Image *,ExceptionInfo *); 77 78 /* 80 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 81 % % 82 % % 83 % % 84 % I s V I F F % 85 % % 86 % % 87 % % 88 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 89 % 90 % IsVIFF() returns MagickTrue if the image format type, identified by the 91 % magick string, is VIFF. 92 % 93 % The format of the IsVIFF method is: 94 % 95 % MagickBooleanType IsVIFF(const unsigned char *magick,const size_t length) 96 % 97 % A description of each parameter follows: 98 % 99 % o magick: compare image format pattern against these bytes. 100 % 101 % o length: Specifies the length of the magick string. 102 % 103 */ 104 static MagickBooleanType IsVIFF(const unsigned char *magick,const size_t length) 105 { 106 if (length < 2) 107 return(MagickFalse); 108 if (memcmp(magick,"\253\001",2) == 0) 109 return(MagickTrue); 110 return(MagickFalse); 111 } 112 113 /* 115 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 116 % % 117 % % 118 % % 119 % R e a d V I F F I m a g e % 120 % % 121 % % 122 % % 123 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 124 % 125 % ReadVIFFImage() reads a Khoros Visualization image file and returns 126 % it. It allocates the memory necessary for the new Image structure and 127 % returns a pointer to the new image. 128 % 129 % The format of the ReadVIFFImage method is: 130 % 131 % Image *ReadVIFFImage(const ImageInfo *image_info, 132 % ExceptionInfo *exception) 133 % 134 % A description of each parameter follows: 135 % 136 % o image: Method ReadVIFFImage returns a pointer to the image after 137 % reading. A null image is returned if there is a memory shortage or if 138 % the image cannot be read. 139 % 140 % o image_info: the image info. 141 % 142 % o exception: return any errors or warnings in this structure. 143 % 144 */ 145 static Image *ReadVIFFImage(const ImageInfo *image_info, 146 ExceptionInfo *exception) 147 { 148 #define VFF_CM_genericRGB 15 149 #define VFF_CM_ntscRGB 1 150 #define VFF_CM_NONE 0 151 #define VFF_DEP_DECORDER 0x4 152 #define VFF_DEP_NSORDER 0x8 153 #define VFF_DES_RAW 0 154 #define VFF_LOC_IMPLICIT 1 155 #define VFF_MAPTYP_NONE 0 156 #define VFF_MAPTYP_1_BYTE 1 157 #define VFF_MAPTYP_2_BYTE 2 158 #define VFF_MAPTYP_4_BYTE 4 159 #define VFF_MAPTYP_FLOAT 5 160 #define VFF_MAPTYP_DOUBLE 7 161 #define VFF_MS_NONE 0 162 #define VFF_MS_ONEPERBAND 1 163 #define VFF_MS_SHARED 3 164 #define VFF_TYP_BIT 0 165 #define VFF_TYP_1_BYTE 1 166 #define VFF_TYP_2_BYTE 2 167 #define VFF_TYP_4_BYTE 4 168 #define VFF_TYP_FLOAT 5 169 #define VFF_TYP_DOUBLE 9 170 171 typedef struct _ViffInfo 172 { 173 unsigned char 174 identifier, 175 file_type, 176 release, 177 version, 178 machine_dependency, 179 reserve[3]; 180 181 char 182 comment[512]; 183 184 unsigned int 185 rows, 186 columns, 187 subrows; 188 189 int 190 x_offset, 191 y_offset; 192 193 float 194 x_bits_per_pixel, 195 y_bits_per_pixel; 196 197 unsigned int 198 location_type, 199 location_dimension, 200 number_of_images, 201 number_data_bands, 202 data_storage_type, 203 data_encode_scheme, 204 map_scheme, 205 map_storage_type, 206 map_rows, 207 map_columns, 208 map_subrows, 209 map_enable, 210 maps_per_cycle, 211 color_space_model; 212 } ViffInfo; 213 214 double 215 min_value, 216 scale_factor, 217 value; 218 219 Image 220 *image; 221 222 int 223 bit; 224 225 MagickBooleanType 226 status; 227 228 MagickSizeType 229 number_pixels; 230 231 register ssize_t 232 x; 233 234 register Quantum 235 *q; 236 237 register ssize_t 238 i; 239 240 register unsigned char 241 *p; 242 243 size_t 244 bytes_per_pixel, 245 max_packets, 246 quantum; 247 248 ssize_t 249 count, 250 y; 251 252 unsigned char 253 *pixels; 254 255 unsigned long 256 lsb_first; 257 258 ViffInfo 259 viff_info; 260 261 /* 262 Open image file. 263 */ 264 assert(image_info != (const ImageInfo *) NULL); 265 assert(image_info->signature == MagickCoreSignature); 266 if (image_info->debug != MagickFalse) 267 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 268 image_info->filename); 269 assert(exception != (ExceptionInfo *) NULL); 270 assert(exception->signature == MagickCoreSignature); 271 image=AcquireImage(image_info,exception); 272 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 273 if (status == MagickFalse) 274 { 275 image=DestroyImageList(image); 276 return((Image *) NULL); 277 } 278 /* 279 Read VIFF header (1024 bytes). 280 */ 281 count=ReadBlob(image,1,&viff_info.identifier); 282 do 283 { 284 /* 285 Verify VIFF identifier. 286 */ 287 if ((count != 1) || ((unsigned char) viff_info.identifier != 0xab)) 288 ThrowReaderException(CorruptImageError,"NotAVIFFImage"); 289 /* 290 Initialize VIFF image. 291 */ 292 (void) ReadBlob(image,sizeof(viff_info.file_type),&viff_info.file_type); 293 (void) ReadBlob(image,sizeof(viff_info.release),&viff_info.release); 294 (void) ReadBlob(image,sizeof(viff_info.version),&viff_info.version); 295 (void) ReadBlob(image,sizeof(viff_info.machine_dependency), 296 &viff_info.machine_dependency); 297 (void) ReadBlob(image,sizeof(viff_info.reserve),viff_info.reserve); 298 count=ReadBlob(image,512,(unsigned char *) viff_info.comment); 299 viff_info.comment[511]='\0'; 300 if (strlen(viff_info.comment) > 4) 301 (void) SetImageProperty(image,"comment",viff_info.comment,exception); 302 if ((viff_info.machine_dependency == VFF_DEP_DECORDER) || 303 (viff_info.machine_dependency == VFF_DEP_NSORDER)) 304 image->endian=LSBEndian; 305 else 306 image->endian=MSBEndian; 307 viff_info.rows=ReadBlobLong(image); 308 viff_info.columns=ReadBlobLong(image); 309 viff_info.subrows=ReadBlobLong(image); 310 viff_info.x_offset=ReadBlobSignedLong(image); 311 viff_info.y_offset=ReadBlobSignedLong(image); 312 viff_info.x_bits_per_pixel=(float) ReadBlobLong(image); 313 viff_info.y_bits_per_pixel=(float) ReadBlobLong(image); 314 viff_info.location_type=ReadBlobLong(image); 315 viff_info.location_dimension=ReadBlobLong(image); 316 viff_info.number_of_images=ReadBlobLong(image); 317 viff_info.number_data_bands=ReadBlobLong(image); 318 viff_info.data_storage_type=ReadBlobLong(image); 319 viff_info.data_encode_scheme=ReadBlobLong(image); 320 viff_info.map_scheme=ReadBlobLong(image); 321 viff_info.map_storage_type=ReadBlobLong(image); 322 viff_info.map_rows=ReadBlobLong(image); 323 viff_info.map_columns=ReadBlobLong(image); 324 viff_info.map_subrows=ReadBlobLong(image); 325 viff_info.map_enable=ReadBlobLong(image); 326 viff_info.maps_per_cycle=ReadBlobLong(image); 327 viff_info.color_space_model=ReadBlobLong(image); 328 for (i=0; i < 420; i++) 329 (void) ReadBlobByte(image); 330 if (EOFBlob(image) != MagickFalse) 331 ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile"); 332 image->columns=viff_info.rows; 333 image->rows=viff_info.columns; 334 image->depth=viff_info.x_bits_per_pixel <= 8 ? 8UL : 335 MAGICKCORE_QUANTUM_DEPTH; 336 /* 337 Verify that we can read this VIFF image. 338 */ 339 number_pixels=(MagickSizeType) viff_info.columns*viff_info.rows; 340 if (number_pixels != (size_t) number_pixels) 341 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 342 if (number_pixels == 0) 343 ThrowReaderException(CoderError,"ImageColumnOrRowSizeIsNotSupported"); 344 if ((viff_info.number_data_bands < 1) || (viff_info.number_data_bands > 4)) 345 ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 346 if ((viff_info.data_storage_type != VFF_TYP_BIT) && 347 (viff_info.data_storage_type != VFF_TYP_1_BYTE) && 348 (viff_info.data_storage_type != VFF_TYP_2_BYTE) && 349 (viff_info.data_storage_type != VFF_TYP_4_BYTE) && 350 (viff_info.data_storage_type != VFF_TYP_FLOAT) && 351 (viff_info.data_storage_type != VFF_TYP_DOUBLE)) 352 ThrowReaderException(CoderError,"DataStorageTypeIsNotSupported"); 353 if (viff_info.data_encode_scheme != VFF_DES_RAW) 354 ThrowReaderException(CoderError,"DataEncodingSchemeIsNotSupported"); 355 if ((viff_info.map_storage_type != VFF_MAPTYP_NONE) && 356 (viff_info.map_storage_type != VFF_MAPTYP_1_BYTE) && 357 (viff_info.map_storage_type != VFF_MAPTYP_2_BYTE) && 358 (viff_info.map_storage_type != VFF_MAPTYP_4_BYTE) && 359 (viff_info.map_storage_type != VFF_MAPTYP_FLOAT) && 360 (viff_info.map_storage_type != VFF_MAPTYP_DOUBLE)) 361 ThrowReaderException(CoderError,"MapStorageTypeIsNotSupported"); 362 if ((viff_info.color_space_model != VFF_CM_NONE) && 363 (viff_info.color_space_model != VFF_CM_ntscRGB) && 364 (viff_info.color_space_model != VFF_CM_genericRGB)) 365 ThrowReaderException(CoderError,"ColorspaceModelIsNotSupported"); 366 if (viff_info.location_type != VFF_LOC_IMPLICIT) 367 ThrowReaderException(CoderError,"LocationTypeIsNotSupported"); 368 if (viff_info.number_of_images != 1) 369 ThrowReaderException(CoderError,"NumberOfImagesIsNotSupported"); 370 if (viff_info.map_rows == 0) 371 viff_info.map_scheme=VFF_MS_NONE; 372 switch ((int) viff_info.map_scheme) 373 { 374 case VFF_MS_NONE: 375 { 376 if (viff_info.number_data_bands < 3) 377 { 378 /* 379 Create linear color ramp. 380 */ 381 if (viff_info.data_storage_type == VFF_TYP_BIT) 382 image->colors=2; 383 else 384 if (viff_info.data_storage_type == VFF_MAPTYP_1_BYTE) 385 image->colors=256UL; 386 else 387 image->colors=image->depth <= 8 ? 256UL : 65536UL; 388 status=AcquireImageColormap(image,image->colors,exception); 389 if (status == MagickFalse) 390 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 391 } 392 break; 393 } 394 case VFF_MS_ONEPERBAND: 395 case VFF_MS_SHARED: 396 { 397 unsigned char 398 *viff_colormap; 399 400 /* 401 Allocate VIFF colormap. 402 */ 403 switch ((int) viff_info.map_storage_type) 404 { 405 case VFF_MAPTYP_1_BYTE: bytes_per_pixel=1; break; 406 case VFF_MAPTYP_2_BYTE: bytes_per_pixel=2; break; 407 case VFF_MAPTYP_4_BYTE: bytes_per_pixel=4; break; 408 case VFF_MAPTYP_FLOAT: bytes_per_pixel=4; break; 409 case VFF_MAPTYP_DOUBLE: bytes_per_pixel=8; break; 410 default: bytes_per_pixel=1; break; 411 } 412 image->colors=viff_info.map_columns; 413 if (AcquireImageColormap(image,image->colors,exception) == MagickFalse) 414 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 415 if (viff_info.map_rows > 416 (viff_info.map_rows*bytes_per_pixel*sizeof(*viff_colormap))) 417 ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 418 viff_colormap=(unsigned char *) AcquireQuantumMemory(image->colors, 419 viff_info.map_rows*bytes_per_pixel*sizeof(*viff_colormap)); 420 if (viff_colormap == (unsigned char *) NULL) 421 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 422 /* 423 Read VIFF raster colormap. 424 */ 425 count=ReadBlob(image,bytes_per_pixel*image->colors*viff_info.map_rows, 426 viff_colormap); 427 lsb_first=1; 428 if (*(char *) &lsb_first && 429 ((viff_info.machine_dependency != VFF_DEP_DECORDER) && 430 (viff_info.machine_dependency != VFF_DEP_NSORDER))) 431 switch ((int) viff_info.map_storage_type) 432 { 433 case VFF_MAPTYP_2_BYTE: 434 { 435 MSBOrderShort(viff_colormap,(bytes_per_pixel*image->colors* 436 viff_info.map_rows)); 437 break; 438 } 439 case VFF_MAPTYP_4_BYTE: 440 case VFF_MAPTYP_FLOAT: 441 { 442 MSBOrderLong(viff_colormap,(bytes_per_pixel*image->colors* 443 viff_info.map_rows)); 444 break; 445 } 446 default: break; 447 } 448 for (i=0; i < (ssize_t) (viff_info.map_rows*image->colors); i++) 449 { 450 switch ((int) viff_info.map_storage_type) 451 { 452 case VFF_MAPTYP_2_BYTE: value=1.0*((short *) viff_colormap)[i]; break; 453 case VFF_MAPTYP_4_BYTE: value=1.0*((int *) viff_colormap)[i]; break; 454 case VFF_MAPTYP_FLOAT: value=((float *) viff_colormap)[i]; break; 455 case VFF_MAPTYP_DOUBLE: value=((double *) viff_colormap)[i]; break; 456 default: value=1.0*viff_colormap[i]; break; 457 } 458 if (i < (ssize_t) image->colors) 459 { 460 image->colormap[i].red=ScaleCharToQuantum((unsigned char) value); 461 image->colormap[i].green= 462 ScaleCharToQuantum((unsigned char) value); 463 image->colormap[i].blue=ScaleCharToQuantum((unsigned char) value); 464 } 465 else 466 if (i < (ssize_t) (2*image->colors)) 467 image->colormap[i % image->colors].green= 468 ScaleCharToQuantum((unsigned char) value); 469 else 470 if (i < (ssize_t) (3*image->colors)) 471 image->colormap[i % image->colors].blue= 472 ScaleCharToQuantum((unsigned char) value); 473 } 474 viff_colormap=(unsigned char *) RelinquishMagickMemory(viff_colormap); 475 break; 476 } 477 default: 478 ThrowReaderException(CoderError,"ColormapTypeNotSupported"); 479 } 480 /* 481 Initialize image structure. 482 */ 483 image->alpha_trait=viff_info.number_data_bands == 4 ? BlendPixelTrait : 484 UndefinedPixelTrait; 485 image->storage_class=(viff_info.number_data_bands < 3 ? PseudoClass : 486 DirectClass); 487 image->columns=viff_info.rows; 488 image->rows=viff_info.columns; 489 if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) 490 if (image->scene >= (image_info->scene+image_info->number_scenes-1)) 491 break; 492 status=SetImageExtent(image,image->columns,image->rows,exception); 493 if (status == MagickFalse) 494 return(DestroyImageList(image)); 495 /* 496 Allocate VIFF pixels. 497 */ 498 switch ((int) viff_info.data_storage_type) 499 { 500 case VFF_TYP_2_BYTE: bytes_per_pixel=2; break; 501 case VFF_TYP_4_BYTE: bytes_per_pixel=4; break; 502 case VFF_TYP_FLOAT: bytes_per_pixel=4; break; 503 case VFF_TYP_DOUBLE: bytes_per_pixel=8; break; 504 default: bytes_per_pixel=1; break; 505 } 506 if (viff_info.data_storage_type == VFF_TYP_BIT) 507 { 508 if (HeapOverflowSanityCheck((image->columns+7UL) >> 3UL,image->rows) != MagickFalse) 509 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 510 max_packets=((image->columns+7UL) >> 3UL)*image->rows; 511 } 512 else 513 { 514 if (HeapOverflowSanityCheck(number_pixels,viff_info.number_data_bands) != MagickFalse) 515 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 516 max_packets=(size_t) (number_pixels*viff_info.number_data_bands); 517 } 518 pixels=(unsigned char *) AcquireQuantumMemory(MagickMax(number_pixels, 519 max_packets),bytes_per_pixel*sizeof(*pixels)); 520 if (pixels == (unsigned char *) NULL) 521 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 522 count=ReadBlob(image,bytes_per_pixel*max_packets,pixels); 523 lsb_first=1; 524 if (*(char *) &lsb_first && 525 ((viff_info.machine_dependency != VFF_DEP_DECORDER) && 526 (viff_info.machine_dependency != VFF_DEP_NSORDER))) 527 switch ((int) viff_info.data_storage_type) 528 { 529 case VFF_TYP_2_BYTE: 530 { 531 MSBOrderShort(pixels,bytes_per_pixel*max_packets); 532 break; 533 } 534 case VFF_TYP_4_BYTE: 535 case VFF_TYP_FLOAT: 536 { 537 MSBOrderLong(pixels,bytes_per_pixel*max_packets); 538 break; 539 } 540 default: break; 541 } 542 min_value=0.0; 543 scale_factor=1.0; 544 if ((viff_info.data_storage_type != VFF_TYP_1_BYTE) && 545 (viff_info.map_scheme == VFF_MS_NONE)) 546 { 547 double 548 max_value; 549 550 /* 551 Determine scale factor. 552 */ 553 switch ((int) viff_info.data_storage_type) 554 { 555 case VFF_TYP_2_BYTE: value=1.0*((short *) pixels)[0]; break; 556 case VFF_TYP_4_BYTE: value=1.0*((int *) pixels)[0]; break; 557 case VFF_TYP_FLOAT: value=((float *) pixels)[0]; break; 558 case VFF_TYP_DOUBLE: value=((double *) pixels)[0]; break; 559 default: value=1.0*pixels[0]; break; 560 } 561 max_value=value; 562 min_value=value; 563 for (i=0; i < (ssize_t) max_packets; i++) 564 { 565 switch ((int) viff_info.data_storage_type) 566 { 567 case VFF_TYP_2_BYTE: value=1.0*((short *) pixels)[i]; break; 568 case VFF_TYP_4_BYTE: value=1.0*((int *) pixels)[i]; break; 569 case VFF_TYP_FLOAT: value=((float *) pixels)[i]; break; 570 case VFF_TYP_DOUBLE: value=((double *) pixels)[i]; break; 571 default: value=1.0*pixels[i]; break; 572 } 573 if (value > max_value) 574 max_value=value; 575 else 576 if (value < min_value) 577 min_value=value; 578 } 579 if ((min_value == 0) && (max_value == 0)) 580 scale_factor=0; 581 else 582 if (min_value == max_value) 583 { 584 scale_factor=(double) QuantumRange/min_value; 585 min_value=0; 586 } 587 else 588 scale_factor=(double) QuantumRange/(max_value-min_value); 589 } 590 /* 591 Convert pixels to Quantum size. 592 */ 593 p=(unsigned char *) pixels; 594 for (i=0; i < (ssize_t) max_packets; i++) 595 { 596 switch ((int) viff_info.data_storage_type) 597 { 598 case VFF_TYP_2_BYTE: value=1.0*((short *) pixels)[i]; break; 599 case VFF_TYP_4_BYTE: value=1.0*((int *) pixels)[i]; break; 600 case VFF_TYP_FLOAT: value=((float *) pixels)[i]; break; 601 case VFF_TYP_DOUBLE: value=((double *) pixels)[i]; break; 602 default: value=1.0*pixels[i]; break; 603 } 604 if (viff_info.map_scheme == VFF_MS_NONE) 605 { 606 value=(value-min_value)*scale_factor; 607 if (value > QuantumRange) 608 value=QuantumRange; 609 else 610 if (value < 0) 611 value=0; 612 } 613 *p=(unsigned char) ((Quantum) value); 614 p++; 615 } 616 /* 617 Convert VIFF raster image to pixel packets. 618 */ 619 p=(unsigned char *) pixels; 620 if (viff_info.data_storage_type == VFF_TYP_BIT) 621 { 622 /* 623 Convert bitmap scanline. 624 */ 625 for (y=0; y < (ssize_t) image->rows; y++) 626 { 627 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 628 if (q == (Quantum *) NULL) 629 break; 630 for (x=0; x < (ssize_t) (image->columns-7); x+=8) 631 { 632 for (bit=0; bit < 8; bit++) 633 { 634 quantum=(size_t) ((*p) & (0x01 << bit) ? 0 : 1); 635 SetPixelRed(image,quantum == 0 ? 0 : QuantumRange,q); 636 SetPixelGreen(image,quantum == 0 ? 0 : QuantumRange,q); 637 SetPixelBlue(image,quantum == 0 ? 0 : QuantumRange,q); 638 if (image->storage_class == PseudoClass) 639 SetPixelIndex(image,(Quantum) quantum,q); 640 q+=GetPixelChannels(image); 641 } 642 p++; 643 } 644 if ((image->columns % 8) != 0) 645 { 646 for (bit=0; bit < (int) (image->columns % 8); bit++) 647 { 648 quantum=(size_t) ((*p) & (0x01 << bit) ? 0 : 1); 649 SetPixelRed(image,quantum == 0 ? 0 : QuantumRange,q); 650 SetPixelGreen(image,quantum == 0 ? 0 : QuantumRange,q); 651 SetPixelBlue(image,quantum == 0 ? 0 : QuantumRange,q); 652 if (image->storage_class == PseudoClass) 653 SetPixelIndex(image,(Quantum) quantum,q); 654 q+=GetPixelChannels(image); 655 } 656 p++; 657 } 658 if (SyncAuthenticPixels(image,exception) == MagickFalse) 659 break; 660 if (image->previous == (Image *) NULL) 661 { 662 status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 663 image->rows); 664 if (status == MagickFalse) 665 break; 666 } 667 } 668 } 669 else 670 if (image->storage_class == PseudoClass) 671 for (y=0; y < (ssize_t) image->rows; y++) 672 { 673 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 674 if (q == (Quantum *) NULL) 675 break; 676 for (x=0; x < (ssize_t) image->columns; x++) 677 { 678 SetPixelIndex(image,*p++,q); 679 q+=GetPixelChannels(image); 680 } 681 if (SyncAuthenticPixels(image,exception) == MagickFalse) 682 break; 683 if (image->previous == (Image *) NULL) 684 { 685 status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 686 image->rows); 687 if (status == MagickFalse) 688 break; 689 } 690 } 691 else 692 { 693 /* 694 Convert DirectColor scanline. 695 */ 696 number_pixels=(MagickSizeType) image->columns*image->rows; 697 for (y=0; y < (ssize_t) image->rows; y++) 698 { 699 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 700 if (q == (Quantum *) NULL) 701 break; 702 for (x=0; x < (ssize_t) image->columns; x++) 703 { 704 SetPixelRed(image,ScaleCharToQuantum(*p),q); 705 SetPixelGreen(image,ScaleCharToQuantum(*(p+number_pixels)),q); 706 SetPixelBlue(image,ScaleCharToQuantum(*(p+2*number_pixels)),q); 707 if (image->colors != 0) 708 { 709 ssize_t 710 index; 711 712 index=(ssize_t) GetPixelRed(image,q); 713 SetPixelRed(image,image->colormap[ 714 ConstrainColormapIndex(image,index,exception)].red,q); 715 index=(ssize_t) GetPixelGreen(image,q); 716 SetPixelGreen(image,image->colormap[ 717 ConstrainColormapIndex(image,index,exception)].green,q); 718 index=(ssize_t) GetPixelBlue(image,q); 719 SetPixelBlue(image,image->colormap[ 720 ConstrainColormapIndex(image,index,exception)].blue,q); 721 } 722 SetPixelAlpha(image,image->alpha_trait != UndefinedPixelTrait ? 723 ScaleCharToQuantum(*(p+number_pixels*3)) : OpaqueAlpha,q); 724 p++; 725 q+=GetPixelChannels(image); 726 } 727 if (SyncAuthenticPixels(image,exception) == MagickFalse) 728 break; 729 if (image->previous == (Image *) NULL) 730 { 731 status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 732 image->rows); 733 if (status == MagickFalse) 734 break; 735 } 736 } 737 } 738 pixels=(unsigned char *) RelinquishMagickMemory(pixels); 739 if (image->storage_class == PseudoClass) 740 (void) SyncImage(image,exception); 741 if (EOFBlob(image) != MagickFalse) 742 { 743 ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", 744 image->filename); 745 break; 746 } 747 /* 748 Proceed to next image. 749 */ 750 if (image_info->number_scenes != 0) 751 if (image->scene >= (image_info->scene+image_info->number_scenes-1)) 752 break; 753 count=ReadBlob(image,1,&viff_info.identifier); 754 if ((count != 0) && (viff_info.identifier == 0xab)) 755 { 756 /* 757 Allocate next image structure. 758 */ 759 AcquireNextImage(image_info,image,exception); 760 if (GetNextImageInList(image) == (Image *) NULL) 761 { 762 image=DestroyImageList(image); 763 return((Image *) NULL); 764 } 765 image=SyncNextImageInList(image); 766 status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 767 GetBlobSize(image)); 768 if (status == MagickFalse) 769 break; 770 } 771 } while ((count != 0) && (viff_info.identifier == 0xab)); 772 (void) CloseBlob(image); 773 return(GetFirstImageInList(image)); 774 } 775 776 /* 778 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 779 % % 780 % % 781 % % 782 % R e g i s t e r V I F F I m a g e % 783 % % 784 % % 785 % % 786 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 787 % 788 % RegisterVIFFImage() adds properties for the VIFF image format to 789 % the list of supported formats. The properties include the image format 790 % tag, a method to read and/or write the format, whether the format 791 % supports the saving of more than one frame to the same file or blob, 792 % whether the format supports native in-memory I/O, and a brief 793 % description of the format. 794 % 795 % The format of the RegisterVIFFImage method is: 796 % 797 % size_t RegisterVIFFImage(void) 798 % 799 */ 800 ModuleExport size_t RegisterVIFFImage(void) 801 { 802 MagickInfo 803 *entry; 804 805 entry=AcquireMagickInfo("VIFF","VIFF","Khoros Visualization image"); 806 entry->decoder=(DecodeImageHandler *) ReadVIFFImage; 807 entry->encoder=(EncodeImageHandler *) WriteVIFFImage; 808 entry->magick=(IsImageFormatHandler *) IsVIFF; 809 (void) RegisterMagickInfo(entry); 810 entry=AcquireMagickInfo("VIFF","XV","Khoros Visualization image"); 811 entry->decoder=(DecodeImageHandler *) ReadVIFFImage; 812 entry->encoder=(EncodeImageHandler *) WriteVIFFImage; 813 (void) RegisterMagickInfo(entry); 814 return(MagickImageCoderSignature); 815 } 816 817 /* 819 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 820 % % 821 % % 822 % % 823 % U n r e g i s t e r V I F F I m a g e % 824 % % 825 % % 826 % % 827 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 828 % 829 % UnregisterVIFFImage() removes format registrations made by the 830 % VIFF module from the list of supported formats. 831 % 832 % The format of the UnregisterVIFFImage method is: 833 % 834 % UnregisterVIFFImage(void) 835 % 836 */ 837 ModuleExport void UnregisterVIFFImage(void) 838 { 839 (void) UnregisterMagickInfo("VIFF"); 840 (void) UnregisterMagickInfo("XV"); 841 } 842 843 /* 845 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 846 % % 847 % % 848 % % 849 % W r i t e V I F F I m a g e % 850 % % 851 % % 852 % % 853 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 854 % 855 % WriteVIFFImage() writes an image to a file in the VIFF image format. 856 % 857 % The format of the WriteVIFFImage method is: 858 % 859 % MagickBooleanType WriteVIFFImage(const ImageInfo *image_info, 860 % Image *image,ExceptionInfo *exception) 861 % 862 % A description of each parameter follows. 863 % 864 % o image_info: the image info. 865 % 866 % o image: The image. 867 % 868 % o exception: return any errors or warnings in this structure. 869 % 870 */ 871 static MagickBooleanType WriteVIFFImage(const ImageInfo *image_info, 872 Image *image,ExceptionInfo *exception) 873 { 874 #define VFF_CM_genericRGB 15 875 #define VFF_CM_NONE 0 876 #define VFF_DEP_IEEEORDER 0x2 877 #define VFF_DES_RAW 0 878 #define VFF_LOC_IMPLICIT 1 879 #define VFF_MAPTYP_NONE 0 880 #define VFF_MAPTYP_1_BYTE 1 881 #define VFF_MS_NONE 0 882 #define VFF_MS_ONEPERBAND 1 883 #define VFF_TYP_BIT 0 884 #define VFF_TYP_1_BYTE 1 885 886 typedef struct _ViffInfo 887 { 888 char 889 identifier, 890 file_type, 891 release, 892 version, 893 machine_dependency, 894 reserve[3], 895 comment[512]; 896 897 size_t 898 rows, 899 columns, 900 subrows; 901 902 int 903 x_offset, 904 y_offset; 905 906 unsigned int 907 x_bits_per_pixel, 908 y_bits_per_pixel, 909 location_type, 910 location_dimension, 911 number_of_images, 912 number_data_bands, 913 data_storage_type, 914 data_encode_scheme, 915 map_scheme, 916 map_storage_type, 917 map_rows, 918 map_columns, 919 map_subrows, 920 map_enable, 921 maps_per_cycle, 922 color_space_model; 923 } ViffInfo; 924 925 const char 926 *value; 927 928 MagickBooleanType 929 status; 930 931 MagickOffsetType 932 scene; 933 934 MagickSizeType 935 number_pixels, 936 packets; 937 938 MemoryInfo 939 *pixel_info; 940 941 register const Quantum 942 *p; 943 944 register ssize_t 945 x; 946 947 register ssize_t 948 i; 949 950 register unsigned char 951 *q; 952 953 ssize_t 954 y; 955 956 unsigned char 957 *pixels; 958 959 ViffInfo 960 viff_info; 961 962 /* 963 Open output image file. 964 */ 965 assert(image_info != (const ImageInfo *) NULL); 966 assert(image_info->signature == MagickCoreSignature); 967 assert(image != (Image *) NULL); 968 assert(image->signature == MagickCoreSignature); 969 if (image->debug != MagickFalse) 970 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 971 assert(exception != (ExceptionInfo *) NULL); 972 assert(exception->signature == MagickCoreSignature); 973 status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 974 if (status == MagickFalse) 975 return(status); 976 (void) ResetMagickMemory(&viff_info,0,sizeof(ViffInfo)); 977 scene=0; 978 do 979 { 980 /* 981 Initialize VIFF image structure. 982 */ 983 (void) TransformImageColorspace(image,sRGBColorspace,exception); 984 DisableMSCWarning(4310) 985 viff_info.identifier=(char) 0xab; 986 RestoreMSCWarning 987 viff_info.file_type=1; 988 viff_info.release=1; 989 viff_info.version=3; 990 viff_info.machine_dependency=VFF_DEP_IEEEORDER; /* IEEE byte ordering */ 991 *viff_info.comment='\0'; 992 value=GetImageProperty(image,"comment",exception); 993 if (value != (const char *) NULL) 994 (void) CopyMagickString(viff_info.comment,value,MagickMin(strlen(value), 995 511)+1); 996 viff_info.rows=image->columns; 997 viff_info.columns=image->rows; 998 viff_info.subrows=0; 999 viff_info.x_offset=(~0); 1000 viff_info.y_offset=(~0); 1001 viff_info.x_bits_per_pixel=0; 1002 viff_info.y_bits_per_pixel=0; 1003 viff_info.location_type=VFF_LOC_IMPLICIT; 1004 viff_info.location_dimension=0; 1005 viff_info.number_of_images=1; 1006 viff_info.data_encode_scheme=VFF_DES_RAW; 1007 viff_info.map_scheme=VFF_MS_NONE; 1008 viff_info.map_storage_type=VFF_MAPTYP_NONE; 1009 viff_info.map_rows=0; 1010 viff_info.map_columns=0; 1011 viff_info.map_subrows=0; 1012 viff_info.map_enable=1; /* no colormap */ 1013 viff_info.maps_per_cycle=0; 1014 number_pixels=(MagickSizeType) image->columns*image->rows; 1015 if (image->storage_class == DirectClass) 1016 { 1017 /* 1018 Full color VIFF raster. 1019 */ 1020 viff_info.number_data_bands=image->alpha_trait ? 4U : 3U; 1021 viff_info.color_space_model=VFF_CM_genericRGB; 1022 viff_info.data_storage_type=VFF_TYP_1_BYTE; 1023 packets=viff_info.number_data_bands*number_pixels; 1024 } 1025 else 1026 { 1027 viff_info.number_data_bands=1; 1028 viff_info.color_space_model=VFF_CM_NONE; 1029 viff_info.data_storage_type=VFF_TYP_1_BYTE; 1030 packets=number_pixels; 1031 if (SetImageGray(image,exception) == MagickFalse) 1032 { 1033 /* 1034 Colormapped VIFF raster. 1035 */ 1036 viff_info.map_scheme=VFF_MS_ONEPERBAND; 1037 viff_info.map_storage_type=VFF_MAPTYP_1_BYTE; 1038 viff_info.map_rows=3; 1039 viff_info.map_columns=(unsigned int) image->colors; 1040 } 1041 else 1042 if (image->colors <= 2) 1043 { 1044 /* 1045 Monochrome VIFF raster. 1046 */ 1047 viff_info.data_storage_type=VFF_TYP_BIT; 1048 packets=((image->columns+7) >> 3)*image->rows; 1049 } 1050 } 1051 /* 1052 Write VIFF image header (pad to 1024 bytes). 1053 */ 1054 (void) WriteBlob(image,sizeof(viff_info.identifier),(unsigned char *) 1055 &viff_info.identifier); 1056 (void) WriteBlob(image,sizeof(viff_info.file_type),(unsigned char *) 1057 &viff_info.file_type); 1058 (void) WriteBlob(image,sizeof(viff_info.release),(unsigned char *) 1059 &viff_info.release); 1060 (void) WriteBlob(image,sizeof(viff_info.version),(unsigned char *) 1061 &viff_info.version); 1062 (void) WriteBlob(image,sizeof(viff_info.machine_dependency), 1063 (unsigned char *) &viff_info.machine_dependency); 1064 (void) WriteBlob(image,sizeof(viff_info.reserve),(unsigned char *) 1065 viff_info.reserve); 1066 (void) WriteBlob(image,512,(unsigned char *) viff_info.comment); 1067 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.rows); 1068 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.columns); 1069 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.subrows); 1070 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.x_offset); 1071 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.y_offset); 1072 viff_info.x_bits_per_pixel=(unsigned int) ((63 << 24) | (128 << 16)); 1073 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.x_bits_per_pixel); 1074 viff_info.y_bits_per_pixel=(unsigned int) ((63 << 24) | (128 << 16)); 1075 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.y_bits_per_pixel); 1076 (void) WriteBlobMSBLong(image,viff_info.location_type); 1077 (void) WriteBlobMSBLong(image,viff_info.location_dimension); 1078 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.number_of_images); 1079 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.number_data_bands); 1080 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.data_storage_type); 1081 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.data_encode_scheme); 1082 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_scheme); 1083 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_storage_type); 1084 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_rows); 1085 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_columns); 1086 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_subrows); 1087 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.map_enable); 1088 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.maps_per_cycle); 1089 (void) WriteBlobMSBLong(image,(unsigned int) viff_info.color_space_model); 1090 for (i=0; i < 420; i++) 1091 (void) WriteBlobByte(image,'\0'); 1092 /* 1093 Convert MIFF to VIFF raster pixels. 1094 */ 1095 pixel_info=AcquireVirtualMemory((size_t) packets,sizeof(*pixels)); 1096 if (pixel_info == (MemoryInfo *) NULL) 1097 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 1098 pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); 1099 q=pixels; 1100 if (image->storage_class == DirectClass) 1101 { 1102 /* 1103 Convert DirectClass packet to VIFF RGB pixel. 1104 */ 1105 number_pixels=(MagickSizeType) image->columns*image->rows; 1106 for (y=0; y < (ssize_t) image->rows; y++) 1107 { 1108 p=GetVirtualPixels(image,0,y,image->columns,1,exception); 1109 if (p == (const Quantum *) NULL) 1110 break; 1111 for (x=0; x < (ssize_t) image->columns; x++) 1112 { 1113 *q=ScaleQuantumToChar(GetPixelRed(image,p)); 1114 *(q+number_pixels)=ScaleQuantumToChar(GetPixelGreen(image,p)); 1115 *(q+number_pixels*2)=ScaleQuantumToChar(GetPixelBlue(image,p)); 1116 if (image->alpha_trait != UndefinedPixelTrait) 1117 *(q+number_pixels*3)=ScaleQuantumToChar((Quantum) 1118 (GetPixelAlpha(image,p))); 1119 p+=GetPixelChannels(image); 1120 q++; 1121 } 1122 if (image->previous == (Image *) NULL) 1123 { 1124 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, 1125 image->rows); 1126 if (status == MagickFalse) 1127 break; 1128 } 1129 } 1130 } 1131 else 1132 if (SetImageGray(image,exception) == MagickFalse) 1133 { 1134 unsigned char 1135 *viff_colormap; 1136 1137 /* 1138 Dump colormap to file. 1139 */ 1140 viff_colormap=(unsigned char *) AcquireQuantumMemory(image->colors, 1141 3*sizeof(*viff_colormap)); 1142 if (viff_colormap == (unsigned char *) NULL) 1143 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 1144 q=viff_colormap; 1145 for (i=0; i < (ssize_t) image->colors; i++) 1146 *q++=ScaleQuantumToChar(image->colormap[i].red); 1147 for (i=0; i < (ssize_t) image->colors; i++) 1148 *q++=ScaleQuantumToChar(image->colormap[i].green); 1149 for (i=0; i < (ssize_t) image->colors; i++) 1150 *q++=ScaleQuantumToChar(image->colormap[i].blue); 1151 (void) WriteBlob(image,3*image->colors,viff_colormap); 1152 viff_colormap=(unsigned char *) RelinquishMagickMemory(viff_colormap); 1153 /* 1154 Convert PseudoClass packet to VIFF colormapped pixels. 1155 */ 1156 q=pixels; 1157 for (y=0; y < (ssize_t) image->rows; y++) 1158 { 1159 p=GetVirtualPixels(image,0,y,image->columns,1,exception); 1160 if (p == (const Quantum *) NULL) 1161 break; 1162 for (x=0; x < (ssize_t) image->columns; x++) 1163 { 1164 *q++=(unsigned char) GetPixelIndex(image,p); 1165 p+=GetPixelChannels(image); 1166 } 1167 if (image->previous == (Image *) NULL) 1168 { 1169 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, 1170 image->rows); 1171 if (status == MagickFalse) 1172 break; 1173 } 1174 } 1175 } 1176 else 1177 if (image->colors <= 2) 1178 { 1179 ssize_t 1180 x, 1181 y; 1182 1183 register unsigned char 1184 bit, 1185 byte; 1186 1187 /* 1188 Convert PseudoClass image to a VIFF monochrome image. 1189 */ 1190 (void) SetImageType(image,BilevelType,exception); 1191 for (y=0; y < (ssize_t) image->rows; y++) 1192 { 1193 p=GetVirtualPixels(image,0,y,image->columns,1,exception); 1194 if (p == (const Quantum *) NULL) 1195 break; 1196 bit=0; 1197 byte=0; 1198 for (x=0; x < (ssize_t) image->columns; x++) 1199 { 1200 byte>>=1; 1201 if (GetPixelLuma(image,p) < (QuantumRange/2.0)) 1202 byte|=0x80; 1203 bit++; 1204 if (bit == 8) 1205 { 1206 *q++=byte; 1207 bit=0; 1208 byte=0; 1209 } 1210 p+=GetPixelChannels(image); 1211 } 1212 if (bit != 0) 1213 *q++=byte >> (8-bit); 1214 if (image->previous == (Image *) NULL) 1215 { 1216 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) 1217 y,image->rows); 1218 if (status == MagickFalse) 1219 break; 1220 } 1221 } 1222 } 1223 else 1224 { 1225 /* 1226 Convert PseudoClass packet to VIFF grayscale pixel. 1227 */ 1228 for (y=0; y < (ssize_t) image->rows; y++) 1229 { 1230 p=GetVirtualPixels(image,0,y,image->columns,1,exception); 1231 if (p == (const Quantum *) NULL) 1232 break; 1233 for (x=0; x < (ssize_t) image->columns; x++) 1234 { 1235 *q++=(unsigned char) ClampToQuantum(GetPixelLuma(image,p)); 1236 p+=GetPixelChannels(image); 1237 } 1238 if (image->previous == (Image *) NULL) 1239 { 1240 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) 1241 y,image->rows); 1242 if (status == MagickFalse) 1243 break; 1244 } 1245 } 1246 } 1247 (void) WriteBlob(image,(size_t) packets,pixels); 1248 pixel_info=RelinquishVirtualMemory(pixel_info); 1249 if (GetNextImageInList(image) == (Image *) NULL) 1250 break; 1251 image=SyncNextImageInList(image); 1252 status=SetImageProgress(image,SaveImagesTag,scene++, 1253 GetImageListLength(image)); 1254 if (status == MagickFalse) 1255 break; 1256 } while (image_info->adjoin != MagickFalse); 1257 (void) CloseBlob(image); 1258 return(MagickTrue); 1259 } 1260
