granicus.if.org Git - imagemagick/blob - coders/pict.c

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
   4 %                                                                             %
   5 %                                                                             %
   6 %                        PPPP   IIIII   CCCC  TTTTT                           %
   7 %                        P   P    I    C        T                             %
   8 %                        PPPP     I    C        T                             %
   9 %                        P        I    C        T                             %
  10 %                        P      IIIII   CCCC    T                             %
  11 %                                                                             %
  12 %                                                                             %
  13 %               Read/Write Apple Macintosh QuickDraw/PICT Format              %
  14 %                                                                             %
  15 %                              Software Design                                %
  16 %                                   Cristy                                    %
  17 %                                 July 1992                                   %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2017 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 %    https://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 \f
  39 /*
  40   Include declarations.
  41 */
  42 #include "MagickCore/studio.h"
  43 #include "MagickCore/blob.h"
  44 #include "MagickCore/blob-private.h"
  45 #include "MagickCore/cache.h"
  46 #include "MagickCore/color-private.h"
  47 #include "MagickCore/colormap.h"
  48 #include "MagickCore/colormap-private.h"
  49 #include "MagickCore/colorspace.h"
  50 #include "MagickCore/colorspace-private.h"
  51 #include "MagickCore/composite.h"
  52 #include "MagickCore/constitute.h"
  53 #include "MagickCore/exception.h"
  54 #include "MagickCore/exception-private.h"
  55 #include "MagickCore/image.h"
  56 #include "MagickCore/image-private.h"
  57 #include "MagickCore/list.h"
  58 #include "MagickCore/log.h"
  59 #include "MagickCore/magick.h"
  60 #include "MagickCore/memory_.h"
  61 #include "MagickCore/monitor.h"
  62 #include "MagickCore/monitor-private.h"
  63 #include "MagickCore/pixel-accessor.h"
  64 #include "MagickCore/profile.h"
  65 #include "MagickCore/resource_.h"
  66 #include "MagickCore/quantum-private.h"
  67 #include "MagickCore/static.h"
  68 #include "MagickCore/string_.h"
  69 #include "MagickCore/module.h"
  70 #include "MagickCore/transform.h"
  71 #include "MagickCore/utility.h"
  72 \f
  73 /*
  74   ImageMagick Macintosh PICT Methods.
  75 */
  76 #define ReadPixmap(pixmap) \
  77 { \
  78   pixmap.version=(short) ReadBlobMSBShort(image); \
  79   pixmap.pack_type=(short) ReadBlobMSBShort(image); \
  80   pixmap.pack_size=ReadBlobMSBLong(image); \
  81   pixmap.horizontal_resolution=1UL*ReadBlobMSBShort(image); \
  82   (void) ReadBlobMSBShort(image); \
  83   pixmap.vertical_resolution=1UL*ReadBlobMSBShort(image); \
  84   (void) ReadBlobMSBShort(image); \
  85   pixmap.pixel_type=(short) ReadBlobMSBShort(image); \
  86   pixmap.bits_per_pixel=(short) ReadBlobMSBShort(image); \
  87   pixmap.component_count=(short) ReadBlobMSBShort(image); \
  88   pixmap.component_size=(short) ReadBlobMSBShort(image); \
  89   pixmap.plane_bytes=ReadBlobMSBLong(image); \
  90   pixmap.table=ReadBlobMSBLong(image); \
  91   pixmap.reserved=ReadBlobMSBLong(image); \
  92   if ((EOFBlob(image) != MagickFalse) || (pixmap.bits_per_pixel <= 0) || \
  93       (pixmap.bits_per_pixel > 32) || (pixmap.component_count <= 0) || \
  94       (pixmap.component_count > 4) || (pixmap.component_size <= 0)) \
  95     ThrowReaderException(CorruptImageError,"ImproperImageHeader"); \
  96 }
  97
  98 typedef struct _PICTCode
  99 {
 100   const char
 101     *name;
 102
 103   ssize_t
 104     length;
 105
 106   const char
 107     *description;
 108 } PICTCode;
 109
 110 typedef struct _PICTPixmap
 111 {
 112   short
 113     version,
 114     pack_type;
 115
 116   size_t
 117     pack_size,
 118     horizontal_resolution,
 119     vertical_resolution;
 120
 121   short
 122     pixel_type,
 123     bits_per_pixel,
 124     component_count,
 125     component_size;
 126
 127   size_t
 128     plane_bytes,
 129     table,
 130     reserved;
 131 } PICTPixmap;
 132
 133 typedef struct _PICTRectangle
 134 {
 135   short
 136     top,
 137     left,
 138     bottom,
 139     right;
 140 } PICTRectangle;
 141
 142 static const PICTCode
 143   codes[] =
 144   {
 145     /* 0x00 */ { "NOP", 0, "nop" },
 146     /* 0x01 */ { "Clip", 0, "clip" },
 147     /* 0x02 */ { "BkPat", 8, "background pattern" },
 148     /* 0x03 */ { "TxFont", 2, "text font (word)" },
 149     /* 0x04 */ { "TxFace", 1, "text face (byte)" },
 150     /* 0x05 */ { "TxMode", 2, "text mode (word)" },
 151     /* 0x06 */ { "SpExtra", 4, "space extra (fixed point)" },
 152     /* 0x07 */ { "PnSize", 4, "pen size (point)" },
 153     /* 0x08 */ { "PnMode", 2, "pen mode (word)" },
 154     /* 0x09 */ { "PnPat", 8, "pen pattern" },
 155     /* 0x0a */ { "FillPat", 8, "fill pattern" },
 156     /* 0x0b */ { "OvSize", 4, "oval size (point)" },
 157     /* 0x0c */ { "Origin", 4, "dh, dv (word)" },
 158     /* 0x0d */ { "TxSize", 2, "text size (word)" },
 159     /* 0x0e */ { "FgColor", 4, "foreground color (ssize_tword)" },
 160     /* 0x0f */ { "BkColor", 4, "background color (ssize_tword)" },
 161     /* 0x10 */ { "TxRatio", 8, "numerator (point), denominator (point)" },
 162     /* 0x11 */ { "Version", 1, "version (byte)" },
 163     /* 0x12 */ { "BkPixPat", 0, "color background pattern" },
 164     /* 0x13 */ { "PnPixPat", 0, "color pen pattern" },
 165     /* 0x14 */ { "FillPixPat", 0, "color fill pattern" },
 166     /* 0x15 */ { "PnLocHFrac", 2, "fractional pen position" },
 167     /* 0x16 */ { "ChExtra", 2, "extra for each character" },
 168     /* 0x17 */ { "reserved", 0, "reserved for Apple use" },
 169     /* 0x18 */ { "reserved", 0, "reserved for Apple use" },
 170     /* 0x19 */ { "reserved", 0, "reserved for Apple use" },
 171     /* 0x1a */ { "RGBFgCol", 6, "RGB foreColor" },
 172     /* 0x1b */ { "RGBBkCol", 6, "RGB backColor" },
 173     /* 0x1c */ { "HiliteMode", 0, "hilite mode flag" },
 174     /* 0x1d */ { "HiliteColor", 6, "RGB hilite color" },
 175     /* 0x1e */ { "DefHilite", 0, "Use default hilite color" },
 176     /* 0x1f */ { "OpColor", 6, "RGB OpColor for arithmetic modes" },
 177     /* 0x20 */ { "Line", 8, "pnLoc (point), newPt (point)" },
 178     /* 0x21 */ { "LineFrom", 4, "newPt (point)" },
 179     /* 0x22 */ { "ShortLine", 6, "pnLoc (point, dh, dv (-128 .. 127))" },
 180     /* 0x23 */ { "ShortLineFrom", 2, "dh, dv (-128 .. 127)" },
 181     /* 0x24 */ { "reserved", -1, "reserved for Apple use" },
 182     /* 0x25 */ { "reserved", -1, "reserved for Apple use" },
 183     /* 0x26 */ { "reserved", -1, "reserved for Apple use" },
 184     /* 0x27 */ { "reserved", -1, "reserved for Apple use" },
 185     /* 0x28 */ { "LongText", 0, "txLoc (point), count (0..255), text" },
 186     /* 0x29 */ { "DHText", 0, "dh (0..255), count (0..255), text" },
 187     /* 0x2a */ { "DVText", 0, "dv (0..255), count (0..255), text" },
 188     /* 0x2b */ { "DHDVText", 0, "dh, dv (0..255), count (0..255), text" },
 189     /* 0x2c */ { "reserved", -1, "reserved for Apple use" },
 190     /* 0x2d */ { "reserved", -1, "reserved for Apple use" },
 191     /* 0x2e */ { "reserved", -1, "reserved for Apple use" },
 192     /* 0x2f */ { "reserved", -1, "reserved for Apple use" },
 193     /* 0x30 */ { "frameRect", 8, "rect" },
 194     /* 0x31 */ { "paintRect", 8, "rect" },
 195     /* 0x32 */ { "eraseRect", 8, "rect" },
 196     /* 0x33 */ { "invertRect", 8, "rect" },
 197     /* 0x34 */ { "fillRect", 8, "rect" },
 198     /* 0x35 */ { "reserved", 8, "reserved for Apple use" },
 199     /* 0x36 */ { "reserved", 8, "reserved for Apple use" },
 200     /* 0x37 */ { "reserved", 8, "reserved for Apple use" },
 201     /* 0x38 */ { "frameSameRect", 0, "rect" },
 202     /* 0x39 */ { "paintSameRect", 0, "rect" },
 203     /* 0x3a */ { "eraseSameRect", 0, "rect" },
 204     /* 0x3b */ { "invertSameRect", 0, "rect" },
 205     /* 0x3c */ { "fillSameRect", 0, "rect" },
 206     /* 0x3d */ { "reserved", 0, "reserved for Apple use" },
 207     /* 0x3e */ { "reserved", 0, "reserved for Apple use" },
 208     /* 0x3f */ { "reserved", 0, "reserved for Apple use" },
 209     /* 0x40 */ { "frameRRect", 8, "rect" },
 210     /* 0x41 */ { "paintRRect", 8, "rect" },
 211     /* 0x42 */ { "eraseRRect", 8, "rect" },
 212     /* 0x43 */ { "invertRRect", 8, "rect" },
 213     /* 0x44 */ { "fillRRrect", 8, "rect" },
 214     /* 0x45 */ { "reserved", 8, "reserved for Apple use" },
 215     /* 0x46 */ { "reserved", 8, "reserved for Apple use" },
 216     /* 0x47 */ { "reserved", 8, "reserved for Apple use" },
 217     /* 0x48 */ { "frameSameRRect", 0, "rect" },
 218     /* 0x49 */ { "paintSameRRect", 0, "rect" },
 219     /* 0x4a */ { "eraseSameRRect", 0, "rect" },
 220     /* 0x4b */ { "invertSameRRect", 0, "rect" },
 221     /* 0x4c */ { "fillSameRRect", 0, "rect" },
 222     /* 0x4d */ { "reserved", 0, "reserved for Apple use" },
 223     /* 0x4e */ { "reserved", 0, "reserved for Apple use" },
 224     /* 0x4f */ { "reserved", 0, "reserved for Apple use" },
 225     /* 0x50 */ { "frameOval", 8, "rect" },
 226     /* 0x51 */ { "paintOval", 8, "rect" },
 227     /* 0x52 */ { "eraseOval", 8, "rect" },
 228     /* 0x53 */ { "invertOval", 8, "rect" },
 229     /* 0x54 */ { "fillOval", 8, "rect" },
 230     /* 0x55 */ { "reserved", 8, "reserved for Apple use" },
 231     /* 0x56 */ { "reserved", 8, "reserved for Apple use" },
 232     /* 0x57 */ { "reserved", 8, "reserved for Apple use" },
 233     /* 0x58 */ { "frameSameOval", 0, "rect" },
 234     /* 0x59 */ { "paintSameOval", 0, "rect" },
 235     /* 0x5a */ { "eraseSameOval", 0, "rect" },
 236     /* 0x5b */ { "invertSameOval", 0, "rect" },
 237     /* 0x5c */ { "fillSameOval", 0, "rect" },
 238     /* 0x5d */ { "reserved", 0, "reserved for Apple use" },
 239     /* 0x5e */ { "reserved", 0, "reserved for Apple use" },
 240     /* 0x5f */ { "reserved", 0, "reserved for Apple use" },
 241     /* 0x60 */ { "frameArc", 12, "rect, startAngle, arcAngle" },
 242     /* 0x61 */ { "paintArc", 12, "rect, startAngle, arcAngle" },
 243     /* 0x62 */ { "eraseArc", 12, "rect, startAngle, arcAngle" },
 244     /* 0x63 */ { "invertArc", 12, "rect, startAngle, arcAngle" },
 245     /* 0x64 */ { "fillArc", 12, "rect, startAngle, arcAngle" },
 246     /* 0x65 */ { "reserved", 12, "reserved for Apple use" },
 247     /* 0x66 */ { "reserved", 12, "reserved for Apple use" },
 248     /* 0x67 */ { "reserved", 12, "reserved for Apple use" },
 249     /* 0x68 */ { "frameSameArc", 4, "rect, startAngle, arcAngle" },
 250     /* 0x69 */ { "paintSameArc", 4, "rect, startAngle, arcAngle" },
 251     /* 0x6a */ { "eraseSameArc", 4, "rect, startAngle, arcAngle" },
 252     /* 0x6b */ { "invertSameArc", 4, "rect, startAngle, arcAngle" },
 253     /* 0x6c */ { "fillSameArc", 4, "rect, startAngle, arcAngle" },
 254     /* 0x6d */ { "reserved", 4, "reserved for Apple use" },
 255     /* 0x6e */ { "reserved", 4, "reserved for Apple use" },
 256     /* 0x6f */ { "reserved", 4, "reserved for Apple use" },
 257     /* 0x70 */ { "framePoly", 0, "poly" },
 258     /* 0x71 */ { "paintPoly", 0, "poly" },
 259     /* 0x72 */ { "erasePoly", 0, "poly" },
 260     /* 0x73 */ { "invertPoly", 0, "poly" },
 261     /* 0x74 */ { "fillPoly", 0, "poly" },
 262     /* 0x75 */ { "reserved", 0, "reserved for Apple use" },
 263     /* 0x76 */ { "reserved", 0, "reserved for Apple use" },
 264     /* 0x77 */ { "reserved", 0, "reserved for Apple use" },
 265     /* 0x78 */ { "frameSamePoly", 0, "poly (NYI)" },
 266     /* 0x79 */ { "paintSamePoly", 0, "poly (NYI)" },
 267     /* 0x7a */ { "eraseSamePoly", 0, "poly (NYI)" },
 268     /* 0x7b */ { "invertSamePoly", 0, "poly (NYI)" },
 269     /* 0x7c */ { "fillSamePoly", 0, "poly (NYI)" },
 270     /* 0x7d */ { "reserved", 0, "reserved for Apple use" },
 271     /* 0x7e */ { "reserved", 0, "reserved for Apple use" },
 272     /* 0x7f */ { "reserved", 0, "reserved for Apple use" },
 273     /* 0x80 */ { "frameRgn", 0, "region" },
 274     /* 0x81 */ { "paintRgn", 0, "region" },
 275     /* 0x82 */ { "eraseRgn", 0, "region" },
 276     /* 0x83 */ { "invertRgn", 0, "region" },
 277     /* 0x84 */ { "fillRgn", 0, "region" },
 278     /* 0x85 */ { "reserved", 0, "reserved for Apple use" },
 279     /* 0x86 */ { "reserved", 0, "reserved for Apple use" },
 280     /* 0x87 */ { "reserved", 0, "reserved for Apple use" },
 281     /* 0x88 */ { "frameSameRgn", 0, "region (NYI)" },
 282     /* 0x89 */ { "paintSameRgn", 0, "region (NYI)" },
 283     /* 0x8a */ { "eraseSameRgn", 0, "region (NYI)" },
 284     /* 0x8b */ { "invertSameRgn", 0, "region (NYI)" },
 285     /* 0x8c */ { "fillSameRgn", 0, "region (NYI)" },
 286     /* 0x8d */ { "reserved", 0, "reserved for Apple use" },
 287     /* 0x8e */ { "reserved", 0, "reserved for Apple use" },
 288     /* 0x8f */ { "reserved", 0, "reserved for Apple use" },
 289     /* 0x90 */ { "BitsRect", 0, "copybits, rect clipped" },
 290     /* 0x91 */ { "BitsRgn", 0, "copybits, rgn clipped" },
 291     /* 0x92 */ { "reserved", -1, "reserved for Apple use" },
 292     /* 0x93 */ { "reserved", -1, "reserved for Apple use" },
 293     /* 0x94 */ { "reserved", -1, "reserved for Apple use" },
 294     /* 0x95 */ { "reserved", -1, "reserved for Apple use" },
 295     /* 0x96 */ { "reserved", -1, "reserved for Apple use" },
 296     /* 0x97 */ { "reserved", -1, "reserved for Apple use" },
 297     /* 0x98 */ { "PackBitsRect", 0, "packed copybits, rect clipped" },
 298     /* 0x99 */ { "PackBitsRgn", 0, "packed copybits, rgn clipped" },
 299     /* 0x9a */ { "DirectBitsRect", 0, "PixMap, srcRect, dstRect, mode, PixData" },
 300     /* 0x9b */ { "DirectBitsRgn", 0, "PixMap, srcRect, dstRect, mode, maskRgn, PixData" },
 301     /* 0x9c */ { "reserved", -1, "reserved for Apple use" },
 302     /* 0x9d */ { "reserved", -1, "reserved for Apple use" },
 303     /* 0x9e */ { "reserved", -1, "reserved for Apple use" },
 304     /* 0x9f */ { "reserved", -1, "reserved for Apple use" },
 305     /* 0xa0 */ { "ShortComment", 2, "kind (word)" },
 306     /* 0xa1 */ { "LongComment", 0, "kind (word), size (word), data" }
 307   };
 308
 309 /*
 310   Forward declarations.
 311 */
 312 static MagickBooleanType
 313   WritePICTImage(const ImageInfo *,Image *,ExceptionInfo *);
 314 \f
 315 /*
 316 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 317 %                                                                             %
 318 %                                                                             %
 319 %                                                                             %
 320 %   D e c o d e I m a g e                                                     %
 321 %                                                                             %
 322 %                                                                             %
 323 %                                                                             %
 324 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 325 %
 326 %  DecodeImage decompresses an image via Macintosh pack bits decoding for
 327 %  Macintosh PICT images.
 328 %
 329 %  The format of the DecodeImage method is:
 330 %
 331 %      unsigned char *DecodeImage(Image *blob,Image *image,
 332 %        size_t bytes_per_line,const int bits_per_pixel,
 333 %        unsigned size_t extent)
 334 %
 335 %  A description of each parameter follows:
 336 %
 337 %    o image_info: the image info.
 338 %
 339 %    o blob,image: the address of a structure of type Image.
 340 %
 341 %    o bytes_per_line: This integer identifies the number of bytes in a
 342 %      scanline.
 343 %
 344 %    o bits_per_pixel: the number of bits in a pixel.
 345 %
 346 %    o extent: the number of pixels allocated.
 347 %
 348 */
 349
 350 static unsigned char *ExpandBuffer(unsigned char *pixels,
 351   MagickSizeType *bytes_per_line,const unsigned int bits_per_pixel)
 352 {
 353   register ssize_t
 354     i;
 355
 356   register unsigned char
 357     *p,
 358     *q;
 359
 360   static unsigned char
 361     scanline[8*256];
 362
 363   p=pixels;
 364   q=scanline;
 365   switch (bits_per_pixel)
 366   {
 367     case 8:
 368     case 16:
 369     case 32:
 370       return(pixels);
 371     case 4:
 372     {
 373       for (i=0; i < (ssize_t) *bytes_per_line; i++)
 374       {
 375         *q++=(*p >> 4) & 0xff;
 376         *q++=(*p & 15);
 377         p++;
 378       }
 379       *bytes_per_line*=2;
 380       break;
 381     }
 382     case 2:
 383     {
 384       for (i=0; i < (ssize_t) *bytes_per_line; i++)
 385       {
 386         *q++=(*p >> 6) & 0x03;
 387         *q++=(*p >> 4) & 0x03;
 388         *q++=(*p >> 2) & 0x03;
 389         *q++=(*p & 3);
 390         p++;
 391       }
 392       *bytes_per_line*=4;
 393       break;
 394     }
 395     case 1:
 396     {
 397       for (i=0; i < (ssize_t) *bytes_per_line; i++)
 398       {
 399         *q++=(*p >> 7) & 0x01;
 400         *q++=(*p >> 6) & 0x01;
 401         *q++=(*p >> 5) & 0x01;
 402         *q++=(*p >> 4) & 0x01;
 403         *q++=(*p >> 3) & 0x01;
 404         *q++=(*p >> 2) & 0x01;
 405         *q++=(*p >> 1) & 0x01;
 406         *q++=(*p & 0x01);
 407         p++;
 408       }
 409       *bytes_per_line*=8;
 410       break;
 411     }
 412     default:
 413       break;
 414   }
 415   return(scanline);
 416 }
 417
 418 static unsigned char *DecodeImage(Image *blob,Image *image,
 419   size_t bytes_per_line,const unsigned int bits_per_pixel,size_t *extent,
 420   ExceptionInfo *exception)
 421 {
 422   MagickSizeType
 423     number_pixels;
 424
 425   register ssize_t
 426     i;
 427
 428   register unsigned char
 429     *p,
 430     *q;
 431
 432   size_t
 433     bytes_per_pixel,
 434     length,
 435     row_bytes,
 436     scanline_length,
 437     width;
 438
 439   ssize_t
 440     count,
 441     j,
 442     y;
 443
 444   unsigned char
 445     *pixels,
 446     *scanline;
 447
 448   /*
 449     Determine pixel buffer size.
 450   */
 451   if (bits_per_pixel <= 8)
 452     bytes_per_line&=0x7fff;
 453   width=image->columns;
 454   bytes_per_pixel=1;
 455   if (bits_per_pixel == 16)
 456     {
 457       bytes_per_pixel=2;
 458       width*=2;
 459     }
 460   else
 461     if (bits_per_pixel == 32)
 462       width*=image->alpha_trait ? 4 : 3;
 463   if (bytes_per_line == 0)
 464     bytes_per_line=width;
 465   row_bytes=(size_t) (image->columns | 0x8000);
 466   if (image->storage_class == DirectClass)
 467     row_bytes=(size_t) ((4*image->columns) | 0x8000);
 468   /*
 469     Allocate pixel and scanline buffer.
 470   */
 471   pixels=(unsigned char *) AcquireQuantumMemory(image->rows,row_bytes*
 472     sizeof(*pixels));
 473   if (pixels == (unsigned char *) NULL)
 474     return((unsigned char *) NULL);
 475   *extent=row_bytes*image->rows*sizeof(*pixels);
 476   (void) ResetMagickMemory(pixels,0,*extent);
 477   scanline=(unsigned char *) AcquireQuantumMemory(row_bytes,2*
 478     sizeof(*scanline));
 479   if (scanline == (unsigned char *) NULL)
 480     return((unsigned char *) NULL);
 481   if (bytes_per_line < 8)
 482     {
 483       /*
 484         Pixels are already uncompressed.
 485       */
 486       for (y=0; y < (ssize_t) image->rows; y++)
 487       {
 488         q=pixels+y*width*GetPixelChannels(image);;
 489         number_pixels=bytes_per_line;
 490         count=ReadBlob(blob,(size_t) number_pixels,scanline);
 491         if (count != (ssize_t) number_pixels)
 492           {
 493             (void) ThrowMagickException(exception,GetMagickModule(),
 494               CorruptImageError,"UnableToUncompressImage","`%s'",
 495               image->filename);
 496             break;
 497           }
 498         p=ExpandBuffer(scanline,&number_pixels,bits_per_pixel);
 499         if ((q+number_pixels) > (pixels+(*extent)))
 500           {
 501             (void) ThrowMagickException(exception,GetMagickModule(),
 502               CorruptImageError,"UnableToUncompressImage","`%s'",
 503               image->filename);
 504             break;
 505           }
 506         (void) CopyMagickMemory(q,p,(size_t) number_pixels);
 507       }
 508       scanline=(unsigned char *) RelinquishMagickMemory(scanline);
 509       return(pixels);
 510     }
 511   /*
 512     Uncompress RLE pixels into uncompressed pixel buffer.
 513   */
 514   for (y=0; y < (ssize_t) image->rows; y++)
 515   {
 516     q=pixels+y*width;
 517     if (bytes_per_line > 200)
 518       scanline_length=ReadBlobMSBShort(blob);
 519     else
 520       scanline_length=1UL*ReadBlobByte(blob);
 521     if (scanline_length >= row_bytes)
 522       {
 523         (void) ThrowMagickException(exception,GetMagickModule(),
 524           CorruptImageError,"UnableToUncompressImage","`%s'",image->filename);
 525         break;
 526       }
 527     count=ReadBlob(blob,scanline_length,scanline);
 528     if (count != (ssize_t) scanline_length)
 529       {
 530         (void) ThrowMagickException(exception,GetMagickModule(),
 531           CorruptImageError,"UnableToUncompressImage","`%s'",image->filename);
 532         break;
 533       }
 534     for (j=0; j < (ssize_t) scanline_length; )
 535       if ((scanline[j] & 0x80) == 0)
 536         {
 537           length=(size_t) ((scanline[j] & 0xff)+1);
 538           number_pixels=length*bytes_per_pixel;
 539           p=ExpandBuffer(scanline+j+1,&number_pixels,bits_per_pixel);
 540           if ((q-pixels+number_pixels) <= *extent)
 541             (void) CopyMagickMemory(q,p,(size_t) number_pixels);
 542           q+=number_pixels;
 543           j+=(ssize_t) (length*bytes_per_pixel+1);
 544         }
 545       else
 546         {
 547           length=(size_t) (((scanline[j] ^ 0xff) & 0xff)+2);
 548           number_pixels=bytes_per_pixel;
 549           p=ExpandBuffer(scanline+j+1,&number_pixels,bits_per_pixel);
 550           for (i=0; i < (ssize_t) length; i++)
 551           {
 552             if ((q-pixels+number_pixels) <= *extent)
 553               (void) CopyMagickMemory(q,p,(size_t) number_pixels);
 554             q+=number_pixels;
 555           }
 556           j+=(ssize_t) bytes_per_pixel+1;
 557         }
 558   }
 559   scanline=(unsigned char *) RelinquishMagickMemory(scanline);
 560   return(pixels);
 561 }
 562 \f
 563 /*
 564 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 565 %                                                                             %
 566 %                                                                             %
 567 %                                                                             %
 568 %   E n c o d e I m a g e                                                     %
 569 %                                                                             %
 570 %                                                                             %
 571 %                                                                             %
 572 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 573 %
 574 %  EncodeImage compresses an image via Macintosh pack bits encoding
 575 %  for Macintosh PICT images.
 576 %
 577 %  The format of the EncodeImage method is:
 578 %
 579 %      size_t EncodeImage(Image *image,const unsigned char *scanline,
 580 %        const size_t bytes_per_line,unsigned char *pixels)
 581 %
 582 %  A description of each parameter follows:
 583 %
 584 %    o image: the address of a structure of type Image.
 585 %
 586 %    o scanline: A pointer to an array of characters to pack.
 587 %
 588 %    o bytes_per_line: the number of bytes in a scanline.
 589 %
 590 %    o pixels: A pointer to an array of characters where the packed
 591 %      characters are stored.
 592 %
 593 */
 594 static size_t EncodeImage(Image *image,const unsigned char *scanline,
 595   const size_t bytes_per_line,unsigned char *pixels)
 596 {
 597 #define MaxCount  128
 598 #define MaxPackbitsRunlength  128
 599
 600   register const unsigned char
 601     *p;
 602
 603   register ssize_t
 604     i;
 605
 606   register unsigned char
 607     *q;
 608
 609   size_t
 610     length;
 611
 612   ssize_t
 613     count,
 614     repeat_count,
 615     runlength;
 616
 617   unsigned char
 618     index;
 619
 620   /*
 621     Pack scanline.
 622   */
 623   assert(image != (Image *) NULL);
 624   assert(image->signature == MagickCoreSignature);
 625   if (image->debug != MagickFalse)
 626     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 627   assert(scanline != (unsigned char *) NULL);
 628   assert(pixels != (unsigned char *) NULL);
 629   count=0;
 630   runlength=0;
 631   p=scanline+(bytes_per_line-1);
 632   q=pixels;
 633   index=(*p);
 634   for (i=(ssize_t) bytes_per_line-1; i >= 0; i--)
 635   {
 636     if (index == *p)
 637       runlength++;
 638     else
 639       {
 640         if (runlength < 3)
 641           while (runlength > 0)
 642           {
 643             *q++=(unsigned char) index;
 644             runlength--;
 645             count++;
 646             if (count == MaxCount)
 647               {
 648                 *q++=(unsigned char) (MaxCount-1);
 649                 count-=MaxCount;
 650               }
 651           }
 652         else
 653           {
 654             if (count > 0)
 655               *q++=(unsigned char) (count-1);
 656             count=0;
 657             while (runlength > 0)
 658             {
 659               repeat_count=runlength;
 660               if (repeat_count > MaxPackbitsRunlength)
 661                 repeat_count=MaxPackbitsRunlength;
 662               *q++=(unsigned char) index;
 663               *q++=(unsigned char) (257-repeat_count);
 664               runlength-=repeat_count;
 665             }
 666           }
 667         runlength=1;
 668       }
 669     index=(*p);
 670     p--;
 671   }
 672   if (runlength < 3)
 673     while (runlength > 0)
 674     {
 675       *q++=(unsigned char) index;
 676       runlength--;
 677       count++;
 678       if (count == MaxCount)
 679         {
 680           *q++=(unsigned char) (MaxCount-1);
 681           count-=MaxCount;
 682         }
 683     }
 684   else
 685     {
 686       if (count > 0)
 687         *q++=(unsigned char) (count-1);
 688       count=0;
 689       while (runlength > 0)
 690       {
 691         repeat_count=runlength;
 692         if (repeat_count > MaxPackbitsRunlength)
 693           repeat_count=MaxPackbitsRunlength;
 694         *q++=(unsigned char) index;
 695         *q++=(unsigned char) (257-repeat_count);
 696         runlength-=repeat_count;
 697       }
 698     }
 699   if (count > 0)
 700     *q++=(unsigned char) (count-1);
 701   /*
 702     Write the number of and the packed length.
 703   */
 704   length=(size_t) (q-pixels);
 705   if (bytes_per_line > 200)
 706     {
 707       (void) WriteBlobMSBShort(image,(unsigned short) length);
 708       length+=2;
 709     }
 710   else
 711     {
 712       (void) WriteBlobByte(image,(unsigned char) length);
 713       length++;
 714     }
 715   while (q != pixels)
 716   {
 717     q--;
 718     (void) WriteBlobByte(image,*q);
 719   }
 720   return(length);
 721 }
 722 \f
 723 /*
 724 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 725 %                                                                             %
 726 %                                                                             %
 727 %                                                                             %
 728 %   I s P I C T                                                               %
 729 %                                                                             %
 730 %                                                                             %
 731 %                                                                             %
 732 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 733 %
 734 %  IsPICT()() returns MagickTrue if the image format type, identified by the
 735 %  magick string, is PICT.
 736 %
 737 %  The format of the ReadPICTImage method is:
 738 %
 739 %      MagickBooleanType IsPICT(const unsigned char *magick,const size_t length)
 740 %
 741 %  A description of each parameter follows:
 742 %
 743 %    o magick: compare image format pattern against these bytes.
 744 %
 745 %    o length: Specifies the length of the magick string.
 746 %
 747 */
 748 static MagickBooleanType IsPICT(const unsigned char *magick,const size_t length)
 749 {
 750   if (length < 12)
 751     return(MagickFalse);
 752   /*
 753     Embedded OLE2 macintosh have "PICT" instead of 512 platform header.
 754   */
 755   if (memcmp(magick,"PICT",4) == 0)
 756     return(MagickTrue);
 757   if (length < 528)
 758     return(MagickFalse);
 759   if (memcmp(magick+522,"\000\021\002\377\014\000",6) == 0)
 760     return(MagickTrue);
 761   return(MagickFalse);
 762 }
 763 \f
 764 #if !defined(macintosh)
 765 /*
 766 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 767 %                                                                             %
 768 %                                                                             %
 769 %                                                                             %
 770 %   R e a d P I C T I m a g e                                                 %
 771 %                                                                             %
 772 %                                                                             %
 773 %                                                                             %
 774 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 775 %
 776 %  ReadPICTImage() reads an Apple Macintosh QuickDraw/PICT image file
 777 %  and returns it.  It allocates the memory necessary for the new Image
 778 %  structure and returns a pointer to the new image.
 779 %
 780 %  The format of the ReadPICTImage method is:
 781 %
 782 %      Image *ReadPICTImage(const ImageInfo *image_info,
 783 %        ExceptionInfo *exception)
 784 %
 785 %  A description of each parameter follows:
 786 %
 787 %    o image_info: the image info.
 788 %
 789 %    o exception: return any errors or warnings in this structure.
 790 %
 791 */
 792
 793 static MagickBooleanType ReadRectangle(Image *image,PICTRectangle *rectangle)
 794 {
 795   rectangle->top=(short) ReadBlobMSBShort(image);
 796   rectangle->left=(short) ReadBlobMSBShort(image);
 797   rectangle->bottom=(short) ReadBlobMSBShort(image);
 798   rectangle->right=(short) ReadBlobMSBShort(image);
 799   if ((EOFBlob(image) != MagickFalse) || (rectangle->left > rectangle->right) ||
 800       (rectangle->top > rectangle->bottom))
 801     return(MagickFalse);
 802   return(MagickTrue);
 803 }
 804
 805 static Image *ReadPICTImage(const ImageInfo *image_info,
 806   ExceptionInfo *exception)
 807 {
 808   char
 809     geometry[MagickPathExtent],
 810     header_ole[4];
 811
 812   Image
 813     *image;
 814
 815   int
 816     c,
 817     code;
 818
 819   MagickBooleanType
 820     jpeg,
 821     status;
 822
 823   PICTRectangle
 824     frame;
 825
 826   PICTPixmap
 827     pixmap;
 828
 829   Quantum
 830     index;
 831
 832   register Quantum
 833     *q;
 834
 835   register ssize_t
 836     i,
 837     x;
 838
 839   size_t
 840     extent,
 841     length;
 842
 843   ssize_t
 844     count,
 845     flags,
 846     j,
 847     version,
 848     y;
 849
 850   StringInfo
 851     *profile;
 852
 853   /*
 854     Open image file.
 855   */
 856   assert(image_info != (const ImageInfo *) NULL);
 857   assert(image_info->signature == MagickCoreSignature);
 858   if (image_info->debug != MagickFalse)
 859     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 860       image_info->filename);
 861   assert(exception != (ExceptionInfo *) NULL);
 862   assert(exception->signature == MagickCoreSignature);
 863   image=AcquireImage(image_info,exception);
 864   status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
 865   if (status == MagickFalse)
 866     {
 867       image=DestroyImageList(image);
 868       return((Image *) NULL);
 869     }
 870   /*
 871     Read PICT header.
 872   */
 873   pixmap.bits_per_pixel=0;
 874   pixmap.component_count=0;
 875   /*
 876     Skip header : 512 for standard PICT and 4, ie "PICT" for OLE2.
 877   */
 878   header_ole[0]=ReadBlobByte(image);
 879   header_ole[1]=ReadBlobByte(image);
 880   header_ole[2]=ReadBlobByte(image);
 881   header_ole[3]=ReadBlobByte(image);
 882   if (!((header_ole[0] == 0x50) && (header_ole[1] == 0x49) &&
 883       (header_ole[2] == 0x43) && (header_ole[3] == 0x54 )))
 884     for (i=0; i < 508; i++)
 885       if (ReadBlobByte(image) == EOF)
 886         break;
 887   (void) ReadBlobMSBShort(image);  /* skip picture size */
 888   if (ReadRectangle(image,&frame) == MagickFalse)
 889     ThrowReaderException(CorruptImageError,"ImproperImageHeader");
 890   while ((c=ReadBlobByte(image)) == 0) ;
 891   if (c != 0x11)
 892     ThrowReaderException(CorruptImageError,"ImproperImageHeader");
 893   version=ReadBlobByte(image);
 894   if (version == 2)
 895     {
 896       c=ReadBlobByte(image);
 897       if (c != 0xff)
 898         ThrowReaderException(CorruptImageError,"ImproperImageHeader");
 899     }
 900   else
 901     if (version != 1)
 902       ThrowReaderException(CorruptImageError,"ImproperImageHeader");
 903   if ((frame.left < 0) || (frame.right < 0) || (frame.top < 0) ||
 904       (frame.bottom < 0) || (frame.left >= frame.right) ||
 905       (frame.top >= frame.bottom))
 906     ThrowReaderException(CorruptImageError,"ImproperImageHeader");
 907   /*
 908     Create black canvas.
 909   */
 910   flags=0;
 911   image->depth=8;
 912   image->columns=1UL*(frame.right-frame.left);
 913   image->rows=1UL*(frame.bottom-frame.top);
 914   image->resolution.x=DefaultResolution;
 915   image->resolution.y=DefaultResolution;
 916   image->units=UndefinedResolution;
 917   if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
 918     if (image->scene >= (image_info->scene+image_info->number_scenes-1))
 919       {
 920         (void) CloseBlob(image);
 921         return(GetFirstImageInList(image));
 922       }
 923   status=SetImageExtent(image,image->columns,image->rows,exception);
 924   if (status == MagickFalse)
 925     return(DestroyImageList(image));
 926   /*
 927     Interpret PICT opcodes.
 928   */
 929   jpeg=MagickFalse;
 930   for (code=0; EOFBlob(image) == MagickFalse; )
 931   {
 932     if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
 933       if (image->scene >= (image_info->scene+image_info->number_scenes-1))
 934         break;
 935     if ((version == 1) || ((TellBlob(image) % 2) != 0))
 936       code=ReadBlobByte(image);
 937     if (version == 2)
 938       code=ReadBlobMSBSignedShort(image);
 939     if (code < 0)
 940       break;
 941     if (code > 0xa1)
 942       {
 943         if (image->debug != MagickFalse)
 944           (void) LogMagickEvent(CoderEvent,GetMagickModule(),"%04X:",code);
 945       }
 946     else
 947       {
 948         if (image->debug != MagickFalse)
 949           (void) LogMagickEvent(CoderEvent,GetMagickModule(),
 950             "  %04X %s: %s",code,codes[code].name,codes[code].description);
 951         switch (code)
 952         {
 953           case 0x01:
 954           {
 955             /*
 956               Clipping rectangle.
 957             */
 958             length=ReadBlobMSBShort(image);
 959             if (length != 0x000a)
 960               {
 961                 for (i=0; i < (ssize_t) (length-2); i++)
 962                   if (ReadBlobByte(image) == EOF)
 963                     break;
 964                 break;
 965               }
 966             if (ReadRectangle(image,&frame) == MagickFalse)
 967               ThrowReaderException(CorruptImageError,"ImproperImageHeader");
 968             if (((frame.left & 0x8000) != 0) || ((frame.top & 0x8000) != 0))
 969               break;
 970             image->columns=1UL*(frame.right-frame.left);
 971             image->rows=1UL*(frame.bottom-frame.top);
 972             status=SetImageExtent(image,image->columns,image->rows,exception);
 973             if (status == MagickFalse)
 974               return(DestroyImageList(image));
 975             (void) SetImageBackgroundColor(image,exception);
 976             break;
 977           }
 978           case 0x12:
 979           case 0x13:
 980           case 0x14:
 981           {
 982             ssize_t
 983               pattern;
 984
 985             size_t
 986               height,
 987               width;
 988
 989             /*
 990               Skip pattern definition.
 991             */
 992             pattern=1L*ReadBlobMSBShort(image);
 993             for (i=0; i < 8; i++)
 994               if (ReadBlobByte(image) == EOF)
 995                 break;
 996             if (pattern == 2)
 997               {
 998                 for (i=0; i < 5; i++)
 999                   if (ReadBlobByte(image) == EOF)
1000                     break;
1001                 break;
1002               }
1003             if (pattern != 1)
1004               ThrowReaderException(CorruptImageError,"UnknownPatternType");
1005             length=ReadBlobMSBShort(image);
1006             if (ReadRectangle(image,&frame) == MagickFalse)
1007               ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1008             ReadPixmap(pixmap);
1009             image->depth=1UL*pixmap.component_size;
1010             image->resolution.x=1.0*pixmap.horizontal_resolution;
1011             image->resolution.y=1.0*pixmap.vertical_resolution;
1012             image->units=PixelsPerInchResolution;
1013             (void) ReadBlobMSBLong(image);
1014             flags=1L*ReadBlobMSBShort(image);
1015             length=ReadBlobMSBShort(image);
1016             for (i=0; i <= (ssize_t) length; i++)
1017               (void) ReadBlobMSBLong(image);
1018             width=1UL*(frame.bottom-frame.top);
1019             height=1UL*(frame.right-frame.left);
1020             if (pixmap.bits_per_pixel <= 8)
1021               length&=0x7fff;
1022             if (pixmap.bits_per_pixel == 16)
1023               width<<=1;
1024             if (length == 0)
1025               length=width;
1026             if (length < 8)
1027               {
1028                 for (i=0; i < (ssize_t) (length*height); i++)
1029                   if (ReadBlobByte(image) == EOF)
1030                     break;
1031               }
1032             else
1033               for (j=0; j < (int) height; j++)
1034                 if (length > 200)
1035                   {
1036                     for (j=0; j < (ssize_t) ReadBlobMSBShort(image); j++)
1037                       if (ReadBlobByte(image) == EOF)
1038                         break;
1039                   }
1040                 else
1041                   for (j=0; j < (ssize_t) ReadBlobByte(image); j++)
1042                     if (ReadBlobByte(image) == EOF)
1043                       break;
1044             break;
1045           }
1046           case 0x1b:
1047           {
1048             /*
1049               Initialize image background color.
1050             */
1051             image->background_color.red=(Quantum)
1052               ScaleShortToQuantum(ReadBlobMSBShort(image));
1053             image->background_color.green=(Quantum)
1054               ScaleShortToQuantum(ReadBlobMSBShort(image));
1055             image->background_color.blue=(Quantum)
1056               ScaleShortToQuantum(ReadBlobMSBShort(image));
1057             break;
1058           }
1059           case 0x70:
1060           case 0x71:
1061           case 0x72:
1062           case 0x73:
1063           case 0x74:
1064           case 0x75:
1065           case 0x76:
1066           case 0x77:
1067           {
1068             /*
1069               Skip polygon or region.
1070             */
1071             length=ReadBlobMSBShort(image);
1072             for (i=0; i < (ssize_t) (length-2); i++)
1073               if (ReadBlobByte(image) == EOF)
1074                 break;
1075             break;
1076           }
1077           case 0x90:
1078           case 0x91:
1079           case 0x98:
1080           case 0x99:
1081           case 0x9a:
1082           case 0x9b:
1083           {
1084             Image
1085               *tile_image;
1086
1087             PICTRectangle
1088               source,
1089               destination;
1090
1091             register unsigned char
1092               *p;
1093
1094             size_t
1095               j;
1096
1097             ssize_t
1098               bytes_per_line;
1099
1100             unsigned char
1101               *pixels;
1102
1103             /*
1104               Pixmap clipped by a rectangle.
1105             */
1106             bytes_per_line=0;
1107             if ((code != 0x9a) && (code != 0x9b))
1108               bytes_per_line=1L*ReadBlobMSBShort(image);
1109             else
1110               {
1111                 (void) ReadBlobMSBShort(image);
1112                 (void) ReadBlobMSBShort(image);
1113                 (void) ReadBlobMSBShort(image);
1114               }
1115             if (ReadRectangle(image,&frame) == MagickFalse)
1116               ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1117             /*
1118               Initialize tile image.
1119             */
1120             tile_image=CloneImage(image,1UL*(frame.right-frame.left),
1121               1UL*(frame.bottom-frame.top),MagickTrue,exception);
1122             if (tile_image == (Image *) NULL)
1123               return((Image *) NULL);
1124             if ((code == 0x9a) || (code == 0x9b) ||
1125                 ((bytes_per_line & 0x8000) != 0))
1126               {
1127                 ReadPixmap(pixmap);
1128                 tile_image->depth=1UL*pixmap.component_size;
1129                 tile_image->alpha_trait=pixmap.component_count == 4 ?
1130                   BlendPixelTrait : UndefinedPixelTrait;
1131                 tile_image->resolution.x=(double) pixmap.horizontal_resolution;
1132                 tile_image->resolution.y=(double) pixmap.vertical_resolution;
1133                 tile_image->units=PixelsPerInchResolution;
1134                 if (tile_image->alpha_trait != UndefinedPixelTrait)
1135                   image->alpha_trait=tile_image->alpha_trait;
1136               }
1137             if ((code != 0x9a) && (code != 0x9b))
1138               {
1139                 /*
1140                   Initialize colormap.
1141                 */
1142                 tile_image->colors=2;
1143                 if ((bytes_per_line & 0x8000) != 0)
1144                   {
1145                     (void) ReadBlobMSBLong(image);
1146                     flags=1L*ReadBlobMSBShort(image);
1147                     tile_image->colors=1UL*ReadBlobMSBShort(image)+1;
1148                   }
1149                 status=AcquireImageColormap(tile_image,tile_image->colors,
1150                   exception);
1151                 if (status == MagickFalse)
1152                   {
1153                     tile_image=DestroyImage(tile_image);
1154                     ThrowReaderException(ResourceLimitError,
1155                       "MemoryAllocationFailed");
1156                   }
1157                 if ((bytes_per_line & 0x8000) != 0)
1158                   {
1159                     for (i=0; i < (ssize_t) tile_image->colors; i++)
1160                     {
1161                       j=ReadBlobMSBShort(image) % tile_image->colors;
1162                       if ((flags & 0x8000) != 0)
1163                         j=(size_t) i;
1164                       tile_image->colormap[j].red=(Quantum)
1165                         ScaleShortToQuantum(ReadBlobMSBShort(image));
1166                       tile_image->colormap[j].green=(Quantum)
1167                         ScaleShortToQuantum(ReadBlobMSBShort(image));
1168                       tile_image->colormap[j].blue=(Quantum)
1169                         ScaleShortToQuantum(ReadBlobMSBShort(image));
1170                     }
1171                   }
1172                 else
1173                   {
1174                     for (i=0; i < (ssize_t) tile_image->colors; i++)
1175                     {
1176                       tile_image->colormap[i].red=(Quantum) (QuantumRange-
1177                         tile_image->colormap[i].red);
1178                       tile_image->colormap[i].green=(Quantum) (QuantumRange-
1179                         tile_image->colormap[i].green);
1180                       tile_image->colormap[i].blue=(Quantum) (QuantumRange-
1181                         tile_image->colormap[i].blue);
1182                     }
1183                   }
1184               }
1185             if (ReadRectangle(image,&source) == MagickFalse)
1186               {
1187                 tile_image=DestroyImage(tile_image);
1188                 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1189               }
1190             if (ReadRectangle(image,&destination) == MagickFalse)
1191               {
1192                 tile_image=DestroyImage(tile_image);
1193                 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1194               }
1195             (void) ReadBlobMSBShort(image);
1196             if ((code == 0x91) || (code == 0x99) || (code == 0x9b))
1197               {
1198                 /*
1199                   Skip region.
1200                 */
1201                 length=ReadBlobMSBShort(image);
1202                 for (i=0; i < (ssize_t) (length-2); i++)
1203                   if (ReadBlobByte(image) == EOF)
1204                     break;
1205               }
1206             if ((code != 0x9a) && (code != 0x9b) &&
1207                 (bytes_per_line & 0x8000) == 0)
1208               pixels=DecodeImage(image,tile_image,1UL*bytes_per_line,1,&extent,
1209                 exception);
1210             else
1211               pixels=DecodeImage(image,tile_image,1UL*bytes_per_line,1U*
1212                 pixmap.bits_per_pixel,&extent,exception);
1213             if (pixels == (unsigned char *) NULL)
1214               {
1215                 tile_image=DestroyImage(tile_image);
1216                 ThrowReaderException(ResourceLimitError,
1217                   "MemoryAllocationFailed");
1218               }
1219             /*
1220               Convert PICT tile image to pixel packets.
1221             */
1222             p=pixels;
1223             for (y=0; y < (ssize_t) tile_image->rows; y++)
1224             {
1225               if (p > (pixels+extent+image->columns))
1226                 {
1227                   tile_image=DestroyImage(tile_image);
1228                   ThrowReaderException(CorruptImageError,"NotEnoughPixelData");
1229                 }
1230               q=QueueAuthenticPixels(tile_image,0,y,tile_image->columns,1,
1231                 exception);
1232               if (q == (Quantum *) NULL)
1233                 break;
1234               for (x=0; x < (ssize_t) tile_image->columns; x++)
1235               {
1236                 if (tile_image->storage_class == PseudoClass)
1237                   {
1238                     index=ConstrainColormapIndex(tile_image,*p,exception);
1239                     SetPixelIndex(tile_image,index,q);
1240                     SetPixelRed(tile_image,
1241                       tile_image->colormap[(ssize_t) index].red,q);
1242                     SetPixelGreen(tile_image,
1243                       tile_image->colormap[(ssize_t) index].green,q);
1244                     SetPixelBlue(tile_image,
1245                       tile_image->colormap[(ssize_t) index].blue,q);
1246                   }
1247                 else
1248                   {
1249                     if (pixmap.bits_per_pixel == 16)
1250                       {
1251                         i=(*p++);
1252                         j=(*p);
1253                         SetPixelRed(tile_image,ScaleCharToQuantum(
1254                           (unsigned char) ((i & 0x7c) << 1)),q);
1255                         SetPixelGreen(tile_image,ScaleCharToQuantum(
1256                           (unsigned char) (((i & 0x03) << 6) |
1257                           ((j & 0xe0) >> 2))),q);
1258                         SetPixelBlue(tile_image,ScaleCharToQuantum(
1259                           (unsigned char) ((j & 0x1f) << 3)),q);
1260                       }
1261                     else
1262                       if (tile_image->alpha_trait == UndefinedPixelTrait)
1263                         {
1264                           if (p > (pixels+extent+2*image->columns))
1265                             {
1266                               tile_image=DestroyImage(tile_image);
1267                               ThrowReaderException(CorruptImageError,
1268                                 "NotEnoughPixelData");
1269                             }
1270                           SetPixelRed(tile_image,ScaleCharToQuantum(*p),q);
1271                           SetPixelGreen(tile_image,ScaleCharToQuantum(
1272                             *(p+tile_image->columns)),q);
1273                           SetPixelBlue(tile_image,ScaleCharToQuantum(
1274                             *(p+2*tile_image->columns)),q);
1275                         }
1276                       else
1277                         {
1278                           if (p > (pixels+extent+3*image->columns))
1279                             {
1280                               tile_image=DestroyImage(tile_image);
1281                               ThrowReaderException(CorruptImageError,
1282                                 "NotEnoughPixelData");
1283                             }
1284                           SetPixelAlpha(tile_image,ScaleCharToQuantum(*p),q);
1285                           SetPixelRed(tile_image,ScaleCharToQuantum(
1286                             *(p+tile_image->columns)),q);
1287                           SetPixelGreen(tile_image,ScaleCharToQuantum(
1288                             *(p+2*tile_image->columns)),q);
1289                           SetPixelBlue(tile_image,ScaleCharToQuantum(
1290                             *(p+3*tile_image->columns)),q);
1291                         }
1292                   }
1293                 p++;
1294                 q+=GetPixelChannels(tile_image);
1295               }
1296               if (SyncAuthenticPixels(tile_image,exception) == MagickFalse)
1297                 break;
1298               if ((tile_image->storage_class == DirectClass) &&
1299                   (pixmap.bits_per_pixel != 16))
1300                 {
1301                   p+=(pixmap.component_count-1)*tile_image->columns;
1302                   if (p < pixels)
1303                     break;
1304                 }
1305               status=SetImageProgress(image,LoadImageTag,y,tile_image->rows);
1306               if (status == MagickFalse)
1307                 break;
1308             }
1309             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1310             if (jpeg == MagickFalse)
1311               if ((code == 0x9a) || (code == 0x9b) ||
1312                   ((bytes_per_line & 0x8000) != 0))
1313                 (void) CompositeImage(image,tile_image,CopyCompositeOp,
1314                   MagickTrue,destination.left,destination.top,exception);
1315             tile_image=DestroyImage(tile_image);
1316             break;
1317           }
1318           case 0xa1:
1319           {
1320             unsigned char
1321               *info;
1322
1323             size_t
1324               type;
1325
1326             /*
1327               Comment.
1328             */
1329             type=ReadBlobMSBShort(image);
1330             length=ReadBlobMSBShort(image);
1331             if (length == 0)
1332               break;
1333             (void) ReadBlobMSBLong(image);
1334             length-=4;
1335             if (length == 0)
1336               break;
1337             info=(unsigned char *) AcquireQuantumMemory(length,sizeof(*info));
1338             if (info == (unsigned char *) NULL)
1339               break;
1340             count=ReadBlob(image,length,info);
1341             if (count != (ssize_t) length)
1342               ThrowReaderException(ResourceLimitError,"UnableToReadImageData");
1343             switch (type)
1344             {
1345               case 0xe0:
1346               {
1347                 profile=BlobToStringInfo((const void *) NULL,length);
1348                 SetStringInfoDatum(profile,info);
1349                 status=SetImageProfile(image,"icc",profile,exception);
1350                 profile=DestroyStringInfo(profile);
1351                 if (status == MagickFalse)
1352                   {
1353                     info=(unsigned char *) RelinquishMagickMemory(info);
1354                     ThrowReaderException(ResourceLimitError,
1355                       "MemoryAllocationFailed");
1356                   }
1357                 break;
1358               }
1359               case 0x1f2:
1360               {
1361                 profile=BlobToStringInfo((const void *) NULL,length);
1362                 SetStringInfoDatum(profile,info);
1363                 status=SetImageProfile(image,"iptc",profile,exception);
1364                 if (status == MagickFalse)
1365                   {
1366                     info=(unsigned char *) RelinquishMagickMemory(info);
1367                     ThrowReaderException(ResourceLimitError,
1368                       "MemoryAllocationFailed");
1369                   }
1370                 profile=DestroyStringInfo(profile);
1371                 break;
1372               }
1373               default:
1374                 break;
1375             }
1376             info=(unsigned char *) RelinquishMagickMemory(info);
1377             break;
1378           }
1379           default:
1380           {
1381             /*
1382               Skip to next op code.
1383             */
1384             if (codes[code].length == -1)
1385               (void) ReadBlobMSBShort(image);
1386             else
1387               for (i=0; i < (ssize_t) codes[code].length; i++)
1388                 if (ReadBlobByte(image) == EOF)
1389                   break;
1390           }
1391         }
1392       }
1393     if (code == 0xc00)
1394       {
1395         /*
1396           Skip header.
1397         */
1398         for (i=0; i < 24; i++)
1399           if (ReadBlobByte(image) == EOF)
1400             break;
1401         continue;
1402       }
1403     if (((code >= 0xb0) && (code <= 0xcf)) ||
1404         ((code >= 0x8000) && (code <= 0x80ff)))
1405       continue;
1406     if (code == 0x8200)
1407       {
1408         FILE
1409           *file;
1410
1411         Image
1412           *tile_image;
1413
1414         ImageInfo
1415           *read_info;
1416
1417         int
1418           unique_file;
1419
1420         /*
1421           Embedded JPEG.
1422         */
1423         jpeg=MagickTrue;
1424         read_info=CloneImageInfo(image_info);
1425         SetImageInfoBlob(read_info,(void *) NULL,0);
1426         file=(FILE *) NULL;
1427         unique_file=AcquireUniqueFileResource(read_info->filename);
1428         if (unique_file != -1)
1429           file=fdopen(unique_file,"wb");
1430         if ((unique_file == -1) || (file == (FILE *) NULL))
1431           {
1432             (void) RelinquishUniqueFileResource(read_info->filename);
1433             (void) CopyMagickString(image->filename,read_info->filename,
1434               MagickPathExtent);
1435             ThrowFileException(exception,FileOpenError,
1436               "UnableToCreateTemporaryFile",image->filename);
1437             image=DestroyImageList(image);
1438             return((Image *) NULL);
1439           }
1440         length=ReadBlobMSBLong(image);
1441         if (length > 154)
1442           {
1443             for (i=0; i < 6; i++)
1444               (void) ReadBlobMSBLong(image);
1445             if (ReadRectangle(image,&frame) == MagickFalse)
1446               {
1447                 (void) fclose(file);
1448                 (void) RelinquishUniqueFileResource(read_info->filename);
1449                 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1450               }
1451             for (i=0; i < 122; i++)
1452               if (ReadBlobByte(image) == EOF)
1453                 break;
1454             for (i=0; i < (ssize_t) (length-154); i++)
1455             {
1456               c=ReadBlobByte(image);
1457               if (c == EOF)
1458                 break;
1459               (void) fputc(c,file);
1460             }
1461           }
1462         (void) fclose(file);
1463         (void) close(unique_file);
1464         tile_image=ReadImage(read_info,exception);
1465         (void) RelinquishUniqueFileResource(read_info->filename);
1466         read_info=DestroyImageInfo(read_info);
1467         if (tile_image == (Image *) NULL)
1468           continue;
1469         (void) FormatLocaleString(geometry,MagickPathExtent,"%.20gx%.20g",
1470           (double) MagickMax(image->columns,tile_image->columns),
1471           (double) MagickMax(image->rows,tile_image->rows));
1472         (void) SetImageExtent(image,
1473           MagickMax(image->columns,tile_image->columns),
1474           MagickMax(image->rows,tile_image->rows),exception);
1475         (void) TransformImageColorspace(image,tile_image->colorspace,exception);
1476         (void) CompositeImage(image,tile_image,CopyCompositeOp,MagickTrue,
1477           frame.left,frame.right,exception);
1478         image->compression=tile_image->compression;
1479         tile_image=DestroyImage(tile_image);
1480         continue;
1481       }
1482     if ((code == 0xff) || (code == 0xffff))
1483       break;
1484     if (((code >= 0xd0) && (code <= 0xfe)) ||
1485         ((code >= 0x8100) && (code <= 0xffff)))
1486       {
1487         /*
1488           Skip reserved.
1489         */
1490         length=ReadBlobMSBShort(image);
1491         for (i=0; i < (ssize_t) length; i++)
1492           if (ReadBlobByte(image) == EOF)
1493             break;
1494         continue;
1495       }
1496     if ((code >= 0x100) && (code <= 0x7fff))
1497       {
1498         /*
1499           Skip reserved.
1500         */
1501         length=(size_t) ((code >> 7) & 0xff);
1502         for (i=0; i < (ssize_t) length; i++)
1503           if (ReadBlobByte(image) == EOF)
1504             break;
1505         continue;
1506       }
1507   }
1508   (void) CloseBlob(image);
1509   return(GetFirstImageInList(image));
1510 }
1511 #endif
1512 \f
1513 /*
1514 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1515 %                                                                             %
1516 %                                                                             %
1517 %                                                                             %
1518 %   R e g i s t e r P I C T I m a g e                                         %
1519 %                                                                             %
1520 %                                                                             %
1521 %                                                                             %
1522 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1523 %
1524 %  RegisterPICTImage() adds attributes for the PICT image format to
1525 %  the list of supported formats.  The attributes include the image format
1526 %  tag, a method to read and/or write the format, whether the format
1527 %  supports the saving of more than one frame to the same file or blob,
1528 %  whether the format supports native in-memory I/O, and a brief
1529 %  description of the format.
1530 %
1531 %  The format of the RegisterPICTImage method is:
1532 %
1533 %      size_t RegisterPICTImage(void)
1534 %
1535 */
1536 ModuleExport size_t RegisterPICTImage(void)
1537 {
1538   MagickInfo
1539     *entry;
1540
1541   entry=AcquireMagickInfo("PICT","PCT","Apple Macintosh QuickDraw/PICT");
1542   entry->decoder=(DecodeImageHandler *) ReadPICTImage;
1543   entry->encoder=(EncodeImageHandler *) WritePICTImage;
1544   entry->flags^=CoderAdjoinFlag;
1545   entry->flags|=CoderEncoderSeekableStreamFlag;
1546   entry->magick=(IsImageFormatHandler *) IsPICT;
1547   (void) RegisterMagickInfo(entry);
1548   entry=AcquireMagickInfo("PICT","PICT","Apple Macintosh QuickDraw/PICT");
1549   entry->decoder=(DecodeImageHandler *) ReadPICTImage;
1550   entry->encoder=(EncodeImageHandler *) WritePICTImage;
1551   entry->flags^=CoderAdjoinFlag;
1552   entry->flags|=CoderEncoderSeekableStreamFlag;
1553   entry->magick=(IsImageFormatHandler *) IsPICT;
1554   (void) RegisterMagickInfo(entry);
1555   return(MagickImageCoderSignature);
1556 }
1557 \f
1558 /*
1559 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1560 %                                                                             %
1561 %                                                                             %
1562 %                                                                             %
1563 %   U n r e g i s t e r P I C T I m a g e                                     %
1564 %                                                                             %
1565 %                                                                             %
1566 %                                                                             %
1567 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1568 %
1569 %  UnregisterPICTImage() removes format registrations made by the
1570 %  PICT module from the list of supported formats.
1571 %
1572 %  The format of the UnregisterPICTImage method is:
1573 %
1574 %      UnregisterPICTImage(void)
1575 %
1576 */
1577 ModuleExport void UnregisterPICTImage(void)
1578 {
1579   (void) UnregisterMagickInfo("PCT");
1580   (void) UnregisterMagickInfo("PICT");
1581 }
1582 \f
1583 /*
1584 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1585 %                                                                             %
1586 %                                                                             %
1587 %                                                                             %
1588 %   W r i t e P I C T I m a g e                                               %
1589 %                                                                             %
1590 %                                                                             %
1591 %                                                                             %
1592 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1593 %
1594 %  WritePICTImage() writes an image to a file in the Apple Macintosh
1595 %  QuickDraw/PICT image format.
1596 %
1597 %  The format of the WritePICTImage method is:
1598 %
1599 %      MagickBooleanType WritePICTImage(const ImageInfo *image_info,
1600 %        Image *image,ExceptionInfo *exception)
1601 %
1602 %  A description of each parameter follows.
1603 %
1604 %    o image_info: the image info.
1605 %
1606 %    o image:  The image.
1607 %
1608 %    o exception: return any errors or warnings in this structure.
1609 %
1610 */
1611 static MagickBooleanType WritePICTImage(const ImageInfo *image_info,
1612   Image *image,ExceptionInfo *exception)
1613 {
1614 #define MaxCount  128
1615 #define PictCropRegionOp  0x01
1616 #define PictEndOfPictureOp  0xff
1617 #define PictJPEGOp  0x8200
1618 #define PictInfoOp  0x0C00
1619 #define PictInfoSize  512
1620 #define PictPixmapOp  0x9A
1621 #define PictPICTOp  0x98
1622 #define PictVersion  0x11
1623
1624   const StringInfo
1625     *profile;
1626
1627   double
1628     x_resolution,
1629     y_resolution;
1630
1631   MagickBooleanType
1632     status;
1633
1634   MagickOffsetType
1635     offset;
1636
1637   PICTPixmap
1638     pixmap;
1639
1640   PICTRectangle
1641     bounds,
1642     crop_rectangle,
1643     destination_rectangle,
1644     frame_rectangle,
1645     size_rectangle,
1646     source_rectangle;
1647
1648   register const Quantum
1649     *p;
1650
1651   register ssize_t
1652     i,
1653     x;
1654
1655   size_t
1656     bytes_per_line,
1657     count,
1658     row_bytes,
1659     storage_class;
1660
1661   ssize_t
1662     y;
1663
1664   unsigned char
1665     *buffer,
1666     *packed_scanline,
1667     *scanline;
1668
1669   unsigned short
1670     base_address,
1671     transfer_mode;
1672
1673   /*
1674     Open output image file.
1675   */
1676   assert(image_info != (const ImageInfo *) NULL);
1677   assert(image_info->signature == MagickCoreSignature);
1678   assert(image != (Image *) NULL);
1679   assert(image->signature == MagickCoreSignature);
1680   if (image->debug != MagickFalse)
1681     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1682   if ((image->columns > 65535L) || (image->rows > 65535L))
1683     ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
1684   assert(exception != (ExceptionInfo *) NULL);
1685   assert(exception->signature == MagickCoreSignature);
1686   status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
1687   if (status == MagickFalse)
1688     return(status);
1689   (void) TransformImageColorspace(image,sRGBColorspace,exception);
1690   /*
1691     Initialize image info.
1692   */
1693   size_rectangle.top=0;
1694   size_rectangle.left=0;
1695   size_rectangle.bottom=(short) image->rows;
1696   size_rectangle.right=(short) image->columns;
1697   frame_rectangle=size_rectangle;
1698   crop_rectangle=size_rectangle;
1699   source_rectangle=size_rectangle;
1700   destination_rectangle=size_rectangle;
1701   base_address=0xff;
1702   row_bytes=image->columns;
1703   bounds.top=0;
1704   bounds.left=0;
1705   bounds.bottom=(short) image->rows;
1706   bounds.right=(short) image->columns;
1707   pixmap.version=0;
1708   pixmap.pack_type=0;
1709   pixmap.pack_size=0;
1710   pixmap.pixel_type=0;
1711   pixmap.bits_per_pixel=8;
1712   pixmap.component_count=1;
1713   pixmap.component_size=8;
1714   pixmap.plane_bytes=0;
1715   pixmap.table=0;
1716   pixmap.reserved=0;
1717   transfer_mode=0;
1718   x_resolution=image->resolution.x != 0.0 ? image->resolution.x :
1719     DefaultResolution;
1720   y_resolution=image->resolution.y != 0.0 ? image->resolution.y :
1721     DefaultResolution;
1722   storage_class=image->storage_class;
1723   if (image_info->compression == JPEGCompression)
1724     storage_class=DirectClass;
1725   if (storage_class == DirectClass)
1726     {
1727       pixmap.component_count=image->alpha_trait != UndefinedPixelTrait ? 4 : 3;
1728       pixmap.pixel_type=16;
1729       pixmap.bits_per_pixel=32;
1730       pixmap.pack_type=0x04;
1731       transfer_mode=0x40;
1732       row_bytes=4*image->columns;
1733     }
1734   /*
1735     Allocate memory.
1736   */
1737   bytes_per_line=image->columns;
1738   if (storage_class == DirectClass)
1739     bytes_per_line*=image->alpha_trait != UndefinedPixelTrait ? 4 : 3;
1740   buffer=(unsigned char *) AcquireQuantumMemory(PictInfoSize,sizeof(*buffer));
1741   packed_scanline=(unsigned char *) AcquireQuantumMemory((size_t)
1742    (row_bytes+MaxCount),sizeof(*packed_scanline));
1743   scanline=(unsigned char *) AcquireQuantumMemory(row_bytes,sizeof(*scanline));
1744   if ((buffer == (unsigned char *) NULL) ||
1745       (packed_scanline == (unsigned char *) NULL) ||
1746       (scanline == (unsigned char *) NULL))
1747     {
1748       if (scanline != (unsigned char *) NULL)
1749         scanline=(unsigned char *) RelinquishMagickMemory(scanline);
1750       if (packed_scanline != (unsigned char *) NULL)
1751         packed_scanline=(unsigned char *) RelinquishMagickMemory(
1752           packed_scanline);
1753       if (buffer != (unsigned char *) NULL)
1754         buffer=(unsigned char *) RelinquishMagickMemory(buffer);
1755       ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1756     }
1757   (void) ResetMagickMemory(scanline,0,row_bytes);
1758   (void) ResetMagickMemory(packed_scanline,0,(size_t) (row_bytes+MaxCount));
1759   /*
1760     Write header, header size, size bounding box, version, and reserved.
1761   */
1762   (void) ResetMagickMemory(buffer,0,PictInfoSize);
1763   (void) WriteBlob(image,PictInfoSize,buffer);
1764   (void) WriteBlobMSBShort(image,0);
1765   (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.top);
1766   (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.left);
1767   (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.bottom);
1768   (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.right);
1769   (void) WriteBlobMSBShort(image,PictVersion);
1770   (void) WriteBlobMSBShort(image,0x02ff);  /* version #2 */
1771   (void) WriteBlobMSBShort(image,PictInfoOp);
1772   (void) WriteBlobMSBLong(image,0xFFFE0000UL);
1773   /*
1774     Write full size of the file, resolution, frame bounding box, and reserved.
1775   */
1776   (void) WriteBlobMSBShort(image,(unsigned short) x_resolution);
1777   (void) WriteBlobMSBShort(image,0x0000);
1778   (void) WriteBlobMSBShort(image,(unsigned short) y_resolution);
1779   (void) WriteBlobMSBShort(image,0x0000);
1780   (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.top);
1781   (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.left);
1782   (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.bottom);
1783   (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.right);
1784   (void) WriteBlobMSBLong(image,0x00000000L);
1785   profile=GetImageProfile(image,"iptc");
1786   if (profile != (StringInfo *) NULL)
1787     {
1788       (void) WriteBlobMSBShort(image,0xa1);
1789       (void) WriteBlobMSBShort(image,0x1f2);
1790       (void) WriteBlobMSBShort(image,(unsigned short)
1791         (GetStringInfoLength(profile)+4));
1792       (void) WriteBlobString(image,"8BIM");
1793       (void) WriteBlob(image,GetStringInfoLength(profile),
1794         GetStringInfoDatum(profile));
1795     }
1796   profile=GetImageProfile(image,"icc");
1797   if (profile != (StringInfo *) NULL)
1798     {
1799       (void) WriteBlobMSBShort(image,0xa1);
1800       (void) WriteBlobMSBShort(image,0xe0);
1801       (void) WriteBlobMSBShort(image,(unsigned short)
1802         (GetStringInfoLength(profile)+4));
1803       (void) WriteBlobMSBLong(image,0x00000000UL);
1804       (void) WriteBlob(image,GetStringInfoLength(profile),
1805         GetStringInfoDatum(profile));
1806       (void) WriteBlobMSBShort(image,0xa1);
1807       (void) WriteBlobMSBShort(image,0xe0);
1808       (void) WriteBlobMSBShort(image,4);
1809       (void) WriteBlobMSBLong(image,0x00000002UL);
1810     }
1811   /*
1812     Write crop region opcode and crop bounding box.
1813   */
1814   (void) WriteBlobMSBShort(image,PictCropRegionOp);
1815   (void) WriteBlobMSBShort(image,0xa);
1816   (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.top);
1817   (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.left);
1818   (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.bottom);
1819   (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.right);
1820   if (image_info->compression == JPEGCompression)
1821     {
1822       Image
1823         *jpeg_image;
1824
1825       ImageInfo
1826         *jpeg_info;
1827
1828       size_t
1829         length;
1830
1831       unsigned char
1832         *blob;
1833
1834       jpeg_image=CloneImage(image,0,0,MagickTrue,exception);
1835       if (jpeg_image == (Image *) NULL)
1836         {
1837           (void) CloseBlob(image);
1838           return(MagickFalse);
1839         }
1840       jpeg_info=CloneImageInfo(image_info);
1841       (void) CopyMagickString(jpeg_info->magick,"JPEG",MagickPathExtent);
1842       length=0;
1843       blob=(unsigned char *) ImageToBlob(jpeg_info,jpeg_image,&length,
1844         exception);
1845       jpeg_info=DestroyImageInfo(jpeg_info);
1846       if (blob == (unsigned char *) NULL)
1847         return(MagickFalse);
1848       jpeg_image=DestroyImage(jpeg_image);
1849       (void) WriteBlobMSBShort(image,PictJPEGOp);
1850       (void) WriteBlobMSBLong(image,(unsigned int) length+154);
1851       (void) WriteBlobMSBShort(image,0x0000);
1852       (void) WriteBlobMSBLong(image,0x00010000UL);
1853       (void) WriteBlobMSBLong(image,0x00000000UL);
1854       (void) WriteBlobMSBLong(image,0x00000000UL);
1855       (void) WriteBlobMSBLong(image,0x00000000UL);
1856       (void) WriteBlobMSBLong(image,0x00010000UL);
1857       (void) WriteBlobMSBLong(image,0x00000000UL);
1858       (void) WriteBlobMSBLong(image,0x00000000UL);
1859       (void) WriteBlobMSBLong(image,0x00000000UL);
1860       (void) WriteBlobMSBLong(image,0x40000000UL);
1861       (void) WriteBlobMSBLong(image,0x00000000UL);
1862       (void) WriteBlobMSBLong(image,0x00000000UL);
1863       (void) WriteBlobMSBLong(image,0x00000000UL);
1864       (void) WriteBlobMSBLong(image,0x00400000UL);
1865       (void) WriteBlobMSBShort(image,0x0000);
1866       (void) WriteBlobMSBShort(image,(unsigned short) image->rows);
1867       (void) WriteBlobMSBShort(image,(unsigned short) image->columns);
1868       (void) WriteBlobMSBShort(image,0x0000);
1869       (void) WriteBlobMSBShort(image,768);
1870       (void) WriteBlobMSBShort(image,0x0000);
1871       (void) WriteBlobMSBLong(image,0x00000000UL);
1872       (void) WriteBlobMSBLong(image,0x00566A70UL);
1873       (void) WriteBlobMSBLong(image,0x65670000UL);
1874       (void) WriteBlobMSBLong(image,0x00000000UL);
1875       (void) WriteBlobMSBLong(image,0x00000001UL);
1876       (void) WriteBlobMSBLong(image,0x00016170UL);
1877       (void) WriteBlobMSBLong(image,0x706C0000UL);
1878       (void) WriteBlobMSBLong(image,0x00000000UL);
1879       (void) WriteBlobMSBShort(image,768);
1880       (void) WriteBlobMSBShort(image,(unsigned short) image->columns);
1881       (void) WriteBlobMSBShort(image,(unsigned short) image->rows);
1882       (void) WriteBlobMSBShort(image,(unsigned short) x_resolution);
1883       (void) WriteBlobMSBShort(image,0x0000);
1884       (void) WriteBlobMSBShort(image,(unsigned short) y_resolution);
1885       (void) WriteBlobMSBLong(image,0x00000000UL);
1886       (void) WriteBlobMSBLong(image,0x87AC0001UL);
1887       (void) WriteBlobMSBLong(image,0x0B466F74UL);
1888       (void) WriteBlobMSBLong(image,0x6F202D20UL);
1889       (void) WriteBlobMSBLong(image,0x4A504547UL);
1890       (void) WriteBlobMSBLong(image,0x00000000UL);
1891       (void) WriteBlobMSBLong(image,0x00000000UL);
1892       (void) WriteBlobMSBLong(image,0x00000000UL);
1893       (void) WriteBlobMSBLong(image,0x00000000UL);
1894       (void) WriteBlobMSBLong(image,0x00000000UL);
1895       (void) WriteBlobMSBLong(image,0x0018FFFFUL);
1896       (void) WriteBlob(image,length,blob);
1897       if ((length & 0x01) != 0)
1898         (void) WriteBlobByte(image,'\0');
1899       blob=(unsigned char *) RelinquishMagickMemory(blob);
1900     }
1901   /*
1902     Write picture opcode, row bytes, and picture bounding box, and version.
1903   */
1904   if (storage_class == PseudoClass)
1905     (void) WriteBlobMSBShort(image,PictPICTOp);
1906   else
1907     {
1908       (void) WriteBlobMSBShort(image,PictPixmapOp);
1909       (void) WriteBlobMSBLong(image,(size_t) base_address);
1910     }
1911   (void) WriteBlobMSBShort(image,(unsigned short) (row_bytes | 0x8000));
1912   (void) WriteBlobMSBShort(image,(unsigned short) bounds.top);
1913   (void) WriteBlobMSBShort(image,(unsigned short) bounds.left);
1914   (void) WriteBlobMSBShort(image,(unsigned short) bounds.bottom);
1915   (void) WriteBlobMSBShort(image,(unsigned short) bounds.right);
1916   /*
1917     Write pack type, pack size, resolution, pixel type, and pixel size.
1918   */
1919   (void) WriteBlobMSBShort(image,(unsigned short) pixmap.version);
1920   (void) WriteBlobMSBShort(image,(unsigned short) pixmap.pack_type);
1921   (void) WriteBlobMSBLong(image,(unsigned int) pixmap.pack_size);
1922   (void) WriteBlobMSBShort(image,(unsigned short) (x_resolution+0.5));
1923   (void) WriteBlobMSBShort(image,0x0000);
1924   (void) WriteBlobMSBShort(image,(unsigned short) (y_resolution+0.5));
1925   (void) WriteBlobMSBShort(image,0x0000);
1926   (void) WriteBlobMSBShort(image,(unsigned short) pixmap.pixel_type);
1927   (void) WriteBlobMSBShort(image,(unsigned short) pixmap.bits_per_pixel);
1928   /*
1929     Write component count, size, plane bytes, table size, and reserved.
1930   */
1931   (void) WriteBlobMSBShort(image,(unsigned short) pixmap.component_count);
1932   (void) WriteBlobMSBShort(image,(unsigned short) pixmap.component_size);
1933   (void) WriteBlobMSBLong(image,(unsigned int) pixmap.plane_bytes);
1934   (void) WriteBlobMSBLong(image,(unsigned int) pixmap.table);
1935   (void) WriteBlobMSBLong(image,(unsigned int) pixmap.reserved);
1936   if (storage_class == PseudoClass)
1937     {
1938       /*
1939         Write image colormap.
1940       */
1941       (void) WriteBlobMSBLong(image,0x00000000L);  /* color seed */
1942       (void) WriteBlobMSBShort(image,0L);  /* color flags */
1943       (void) WriteBlobMSBShort(image,(unsigned short) (image->colors-1));
1944       for (i=0; i < (ssize_t) image->colors; i++)
1945       {
1946         (void) WriteBlobMSBShort(image,(unsigned short) i);
1947         (void) WriteBlobMSBShort(image,ScaleQuantumToShort(
1948           image->colormap[i].red));
1949         (void) WriteBlobMSBShort(image,ScaleQuantumToShort(
1950           image->colormap[i].green));
1951         (void) WriteBlobMSBShort(image,ScaleQuantumToShort(
1952           image->colormap[i].blue));
1953       }
1954     }
1955   /*
1956     Write source and destination rectangle.
1957   */
1958   (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.top);
1959   (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.left);
1960   (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.bottom);
1961   (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.right);
1962   (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.top);
1963   (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.left);
1964   (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.bottom);
1965   (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.right);
1966   (void) WriteBlobMSBShort(image,(unsigned short) transfer_mode);
1967   /*
1968     Write picture data.
1969   */
1970   count=0;
1971   if (storage_class == PseudoClass)
1972     for (y=0; y < (ssize_t) image->rows; y++)
1973     {
1974       p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1975       if (p == (const Quantum *) NULL)
1976         break;
1977       for (x=0; x < (ssize_t) image->columns; x++)
1978       {
1979         scanline[x]=(unsigned char) GetPixelIndex(image,p);
1980         p+=GetPixelChannels(image);
1981       }
1982       count+=EncodeImage(image,scanline,(size_t) (row_bytes & 0x7FFF),
1983         packed_scanline);
1984       if (image->previous == (Image *) NULL)
1985         {
1986           status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
1987             image->rows);
1988           if (status == MagickFalse)
1989             break;
1990         }
1991     }
1992   else
1993     if (image_info->compression == JPEGCompression)
1994       {
1995         (void) ResetMagickMemory(scanline,0,row_bytes);
1996         for (y=0; y < (ssize_t) image->rows; y++)
1997           count+=EncodeImage(image,scanline,(size_t) (row_bytes & 0x7FFF),
1998             packed_scanline);
1999       }
2000     else
2001       {
2002         register unsigned char
2003           *blue,
2004           *green,
2005           *opacity,
2006           *red;
2007
2008         red=scanline;
2009         green=scanline+image->columns;
2010         blue=scanline+2*image->columns;
2011         opacity=scanline+3*image->columns;
2012         for (y=0; y < (ssize_t) image->rows; y++)
2013         {
2014           p=GetVirtualPixels(image,0,y,image->columns,1,exception);
2015           if (p == (const Quantum *) NULL)
2016             break;
2017           red=scanline;
2018           green=scanline+image->columns;
2019           blue=scanline+2*image->columns;
2020           if (image->alpha_trait != UndefinedPixelTrait)
2021             {
2022               opacity=scanline;
2023               red=scanline+image->columns;
2024               green=scanline+2*image->columns;
2025               blue=scanline+3*image->columns;
2026             }
2027           for (x=0; x < (ssize_t) image->columns; x++)
2028           {
2029             *red++=ScaleQuantumToChar(GetPixelRed(image,p));
2030             *green++=ScaleQuantumToChar(GetPixelGreen(image,p));
2031             *blue++=ScaleQuantumToChar(GetPixelBlue(image,p));
2032             if (image->alpha_trait != UndefinedPixelTrait)
2033               *opacity++=ScaleQuantumToChar((Quantum) (GetPixelAlpha(image,p)));
2034             p+=GetPixelChannels(image);
2035           }
2036           count+=EncodeImage(image,scanline,bytes_per_line,packed_scanline);
2037           if (image->previous == (Image *) NULL)
2038             {
2039               status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
2040                 image->rows);
2041               if (status == MagickFalse)
2042                 break;
2043             }
2044         }
2045       }
2046   if ((count & 0x01) != 0)
2047     (void) WriteBlobByte(image,'\0');
2048   (void) WriteBlobMSBShort(image,PictEndOfPictureOp);
2049   offset=TellBlob(image);
2050   offset=SeekBlob(image,512,SEEK_SET);
2051   (void) WriteBlobMSBShort(image,(unsigned short) offset);
2052   scanline=(unsigned char *) RelinquishMagickMemory(scanline);
2053   packed_scanline=(unsigned char *) RelinquishMagickMemory(packed_scanline);
2054   buffer=(unsigned char *) RelinquishMagickMemory(buffer);
2055   (void) CloseBlob(image);
2056   return(MagickTrue);
2057 }