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 1999-2016 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 \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=(int) ReadBlobMSBShort(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               ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1187             if (ReadRectangle(image,&destination) == MagickFalse)
1188               ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1189             (void) ReadBlobMSBShort(image);
1190             if ((code == 0x91) || (code == 0x99) || (code == 0x9b))
1191               {
1192                 /*
1193                   Skip region.
1194                 */
1195                 length=ReadBlobMSBShort(image);
1196                 for (i=0; i < (ssize_t) (length-2); i++)
1197                   if (ReadBlobByte(image) == EOF)
1198                     break;
1199               }
1200             if ((code != 0x9a) && (code != 0x9b) &&
1201                 (bytes_per_line & 0x8000) == 0)
1202               pixels=DecodeImage(image,tile_image,1UL*bytes_per_line,1,&extent,
1203                 exception);
1204             else
1205               pixels=DecodeImage(image,tile_image,1UL*bytes_per_line,1U*
1206                 pixmap.bits_per_pixel,&extent,exception);
1207             if (pixels == (unsigned char *) NULL)
1208               {
1209                 tile_image=DestroyImage(tile_image);
1210                 ThrowReaderException(ResourceLimitError,
1211                   "MemoryAllocationFailed");
1212               }
1213             /*
1214               Convert PICT tile image to pixel packets.
1215             */
1216             p=pixels;
1217             for (y=0; y < (ssize_t) tile_image->rows; y++)
1218             {
1219               if (p > (pixels+extent+image->columns))
1220                 ThrowReaderException(CorruptImageError,"NotEnoughPixelData");
1221               q=QueueAuthenticPixels(tile_image,0,y,tile_image->columns,1,
1222                 exception);
1223               if (q == (Quantum *) NULL)
1224                 break;
1225               for (x=0; x < (ssize_t) tile_image->columns; x++)
1226               {
1227                 if (tile_image->storage_class == PseudoClass)
1228                   {
1229                     index=ConstrainColormapIndex(tile_image,*p,exception);
1230                     SetPixelIndex(tile_image,index,q);
1231                     SetPixelRed(tile_image,
1232                       tile_image->colormap[(ssize_t) index].red,q);
1233                     SetPixelGreen(tile_image,
1234                       tile_image->colormap[(ssize_t) index].green,q);
1235                     SetPixelBlue(tile_image,
1236                       tile_image->colormap[(ssize_t) index].blue,q);
1237                   }
1238                 else
1239                   {
1240                     if (pixmap.bits_per_pixel == 16)
1241                       {
1242                         i=(*p++);
1243                         j=(*p);
1244                         SetPixelRed(tile_image,ScaleCharToQuantum(
1245                           (unsigned char) ((i & 0x7c) << 1)),q);
1246                         SetPixelGreen(tile_image,ScaleCharToQuantum(
1247                           (unsigned char) (((i & 0x03) << 6) |
1248                           ((j & 0xe0) >> 2))),q);
1249                         SetPixelBlue(tile_image,ScaleCharToQuantum(
1250                           (unsigned char) ((j & 0x1f) << 3)),q);
1251                       }
1252                     else
1253                       if (tile_image->alpha_trait == UndefinedPixelTrait)
1254                         {
1255                           if (p > (pixels+extent+2*image->columns))
1256                             ThrowReaderException(CorruptImageError,
1257                               "NotEnoughPixelData");
1258                           SetPixelRed(tile_image,ScaleCharToQuantum(*p),q);
1259                           SetPixelGreen(tile_image,ScaleCharToQuantum(
1260                             *(p+tile_image->columns)),q);
1261                           SetPixelBlue(tile_image,ScaleCharToQuantum(
1262                             *(p+2*tile_image->columns)),q);
1263                         }
1264                       else
1265                         {
1266                           if (p > (pixels+extent+3*image->columns))
1267                             ThrowReaderException(CorruptImageError,
1268                               "NotEnoughPixelData");
1269                           SetPixelAlpha(tile_image,ScaleCharToQuantum(*p),q);
1270                           SetPixelRed(tile_image,ScaleCharToQuantum(
1271                             *(p+tile_image->columns)),q);
1272                           SetPixelGreen(tile_image,ScaleCharToQuantum(
1273                             *(p+2*tile_image->columns)),q);
1274                           SetPixelBlue(tile_image,ScaleCharToQuantum(
1275                             *(p+3*tile_image->columns)),q);
1276                         }
1277                   }
1278                 p++;
1279                 q+=GetPixelChannels(tile_image);
1280               }
1281               if (SyncAuthenticPixels(tile_image,exception) == MagickFalse)
1282                 break;
1283               if ((tile_image->storage_class == DirectClass) &&
1284                   (pixmap.bits_per_pixel != 16))
1285                 {
1286                   p+=(pixmap.component_count-1)*tile_image->columns;
1287                   if (p < pixels)
1288                     break;
1289                 }
1290               status=SetImageProgress(image,LoadImageTag,y,tile_image->rows);
1291               if (status == MagickFalse)
1292                 break;
1293             }
1294             pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1295             if (jpeg == MagickFalse)
1296               if ((code == 0x9a) || (code == 0x9b) ||
1297                   ((bytes_per_line & 0x8000) != 0))
1298                 (void) CompositeImage(image,tile_image,CopyCompositeOp,
1299                   MagickTrue,destination.left,destination.top,exception);
1300             tile_image=DestroyImage(tile_image);
1301             break;
1302           }
1303           case 0xa1:
1304           {
1305             unsigned char
1306               *info;
1307
1308             size_t
1309               type;
1310
1311             /*
1312               Comment.
1313             */
1314             type=ReadBlobMSBShort(image);
1315             length=ReadBlobMSBShort(image);
1316             if (length == 0)
1317               break;
1318             (void) ReadBlobMSBLong(image);
1319             length-=4;
1320             if (length == 0)
1321               break;
1322             info=(unsigned char *) AcquireQuantumMemory(length,sizeof(*info));
1323             if (info == (unsigned char *) NULL)
1324               break;
1325             count=ReadBlob(image,length,info);
1326             if (count != (ssize_t) length)
1327               ThrowReaderException(ResourceLimitError,"UnableToReadImageData");
1328             switch (type)
1329             {
1330               case 0xe0:
1331               {
1332                 profile=BlobToStringInfo((const void *) NULL,length);
1333                 SetStringInfoDatum(profile,info);
1334                 status=SetImageProfile(image,"icc",profile,exception);
1335                 profile=DestroyStringInfo(profile);
1336                 if (status == MagickFalse)
1337                   ThrowReaderException(ResourceLimitError,
1338                     "MemoryAllocationFailed");
1339                 break;
1340               }
1341               case 0x1f2:
1342               {
1343                 profile=BlobToStringInfo((const void *) NULL,length);
1344                 SetStringInfoDatum(profile,info);
1345                 status=SetImageProfile(image,"iptc",profile,exception);
1346                 if (status == MagickFalse)
1347                   ThrowReaderException(ResourceLimitError,
1348                     "MemoryAllocationFailed");
1349                 profile=DestroyStringInfo(profile);
1350                 break;
1351               }
1352               default:
1353                 break;
1354             }
1355             info=(unsigned char *) RelinquishMagickMemory(info);
1356             break;
1357           }
1358           default:
1359           {
1360             /*
1361               Skip to next op code.
1362             */
1363             if (codes[code].length == -1)
1364               (void) ReadBlobMSBShort(image);
1365             else
1366               for (i=0; i < (ssize_t) codes[code].length; i++)
1367                 if (ReadBlobByte(image) == EOF)
1368                   break;
1369           }
1370         }
1371       }
1372     if (code == 0xc00)
1373       {
1374         /*
1375           Skip header.
1376         */
1377         for (i=0; i < 24; i++)
1378           if (ReadBlobByte(image) == EOF)
1379             break;
1380         continue;
1381       }
1382     if (((code >= 0xb0) && (code <= 0xcf)) ||
1383         ((code >= 0x8000) && (code <= 0x80ff)))
1384       continue;
1385     if (code == 0x8200)
1386       {
1387         FILE
1388           *file;
1389
1390         Image
1391           *tile_image;
1392
1393         ImageInfo
1394           *read_info;
1395
1396         int
1397           unique_file;
1398
1399         /*
1400           Embedded JPEG.
1401         */
1402         jpeg=MagickTrue;
1403         read_info=CloneImageInfo(image_info);
1404         SetImageInfoBlob(read_info,(void *) NULL,0);
1405         file=(FILE *) NULL;
1406         unique_file=AcquireUniqueFileResource(read_info->filename);
1407         if (unique_file != -1)
1408           file=fdopen(unique_file,"wb");
1409         if ((unique_file == -1) || (file == (FILE *) NULL))
1410           {
1411             (void) RelinquishUniqueFileResource(read_info->filename);
1412             (void) CopyMagickString(image->filename,read_info->filename,
1413               MagickPathExtent);
1414             ThrowFileException(exception,FileOpenError,
1415               "UnableToCreateTemporaryFile",image->filename);
1416             image=DestroyImageList(image);
1417             return((Image *) NULL);
1418           }
1419         length=ReadBlobMSBLong(image);
1420         if (length > 154)
1421           {
1422             for (i=0; i < 6; i++)
1423               (void) ReadBlobMSBLong(image);
1424             if (ReadRectangle(image,&frame) == MagickFalse)
1425               {
1426                 (void) fclose(file);
1427                 (void) RelinquishUniqueFileResource(read_info->filename);
1428                 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1429               }
1430             for (i=0; i < 122; i++)
1431               if (ReadBlobByte(image) == EOF)
1432                 break;
1433             for (i=0; i < (ssize_t) (length-154); i++)
1434             {
1435               c=ReadBlobByte(image);
1436               if (c == EOF)
1437                 break;
1438               (void) fputc(c,file);
1439             }
1440           }
1441         (void) fclose(file);
1442         (void) close(unique_file);
1443         tile_image=ReadImage(read_info,exception);
1444         (void) RelinquishUniqueFileResource(read_info->filename);
1445         read_info=DestroyImageInfo(read_info);
1446         if (tile_image == (Image *) NULL)
1447           continue;
1448         (void) FormatLocaleString(geometry,MagickPathExtent,"%.20gx%.20g",
1449           (double) MagickMax(image->columns,tile_image->columns),
1450           (double) MagickMax(image->rows,tile_image->rows));
1451         (void) SetImageExtent(image,
1452           MagickMax(image->columns,tile_image->columns),
1453           MagickMax(image->rows,tile_image->rows),exception);
1454         (void) TransformImageColorspace(image,tile_image->colorspace,exception);
1455         (void) CompositeImage(image,tile_image,CopyCompositeOp,MagickTrue,
1456           frame.left,frame.right,exception);
1457         image->compression=tile_image->compression;
1458         tile_image=DestroyImage(tile_image);
1459         continue;
1460       }
1461     if ((code == 0xff) || (code == 0xffff))
1462       break;
1463     if (((code >= 0xd0) && (code <= 0xfe)) ||
1464         ((code >= 0x8100) && (code <= 0xffff)))
1465       {
1466         /*
1467           Skip reserved.
1468         */
1469         length=ReadBlobMSBShort(image);
1470         for (i=0; i < (ssize_t) length; i++)
1471           if (ReadBlobByte(image) == EOF)
1472             break;
1473         continue;
1474       }
1475     if ((code >= 0x100) && (code <= 0x7fff))
1476       {
1477         /*
1478           Skip reserved.
1479         */
1480         length=(size_t) ((code >> 7) & 0xff);
1481         for (i=0; i < (ssize_t) length; i++)
1482           if (ReadBlobByte(image) == EOF)
1483             break;
1484         continue;
1485       }
1486   }
1487   (void) CloseBlob(image);
1488   return(GetFirstImageInList(image));
1489 }
1490 #endif
1491 \f
1492 /*
1493 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1494 %                                                                             %
1495 %                                                                             %
1496 %                                                                             %
1497 %   R e g i s t e r P I C T I m a g e                                         %
1498 %                                                                             %
1499 %                                                                             %
1500 %                                                                             %
1501 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1502 %
1503 %  RegisterPICTImage() adds attributes for the PICT image format to
1504 %  the list of supported formats.  The attributes include the image format
1505 %  tag, a method to read and/or write the format, whether the format
1506 %  supports the saving of more than one frame to the same file or blob,
1507 %  whether the format supports native in-memory I/O, and a brief
1508 %  description of the format.
1509 %
1510 %  The format of the RegisterPICTImage method is:
1511 %
1512 %      size_t RegisterPICTImage(void)
1513 %
1514 */
1515 ModuleExport size_t RegisterPICTImage(void)
1516 {
1517   MagickInfo
1518     *entry;
1519
1520   entry=AcquireMagickInfo("PICT","PCT","Apple Macintosh QuickDraw/PICT");
1521   entry->decoder=(DecodeImageHandler *) ReadPICTImage;
1522   entry->encoder=(EncodeImageHandler *) WritePICTImage;
1523   entry->flags^=CoderAdjoinFlag;
1524   entry->flags|=CoderSeekableStreamFlag;
1525   entry->magick=(IsImageFormatHandler *) IsPICT;
1526   (void) RegisterMagickInfo(entry);
1527   entry=AcquireMagickInfo("PICT","PICT","Apple Macintosh QuickDraw/PICT");
1528   entry->decoder=(DecodeImageHandler *) ReadPICTImage;
1529   entry->encoder=(EncodeImageHandler *) WritePICTImage;
1530   entry->flags^=CoderAdjoinFlag;
1531   entry->flags|=CoderSeekableStreamFlag;
1532   entry->magick=(IsImageFormatHandler *) IsPICT;
1533   (void) RegisterMagickInfo(entry);
1534   return(MagickImageCoderSignature);
1535 }
1536 \f
1537 /*
1538 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1539 %                                                                             %
1540 %                                                                             %
1541 %                                                                             %
1542 %   U n r e g i s t e r P I C T I m a g e                                     %
1543 %                                                                             %
1544 %                                                                             %
1545 %                                                                             %
1546 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1547 %
1548 %  UnregisterPICTImage() removes format registrations made by the
1549 %  PICT module from the list of supported formats.
1550 %
1551 %  The format of the UnregisterPICTImage method is:
1552 %
1553 %      UnregisterPICTImage(void)
1554 %
1555 */
1556 ModuleExport void UnregisterPICTImage(void)
1557 {
1558   (void) UnregisterMagickInfo("PCT");
1559   (void) UnregisterMagickInfo("PICT");
1560 }
1561 \f
1562 /*
1563 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1564 %                                                                             %
1565 %                                                                             %
1566 %                                                                             %
1567 %   W r i t e P I C T I m a g e                                               %
1568 %                                                                             %
1569 %                                                                             %
1570 %                                                                             %
1571 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1572 %
1573 %  WritePICTImage() writes an image to a file in the Apple Macintosh
1574 %  QuickDraw/PICT image format.
1575 %
1576 %  The format of the WritePICTImage method is:
1577 %
1578 %      MagickBooleanType WritePICTImage(const ImageInfo *image_info,
1579 %        Image *image,ExceptionInfo *exception)
1580 %
1581 %  A description of each parameter follows.
1582 %
1583 %    o image_info: the image info.
1584 %
1585 %    o image:  The image.
1586 %
1587 %    o exception: return any errors or warnings in this structure.
1588 %
1589 */
1590 static MagickBooleanType WritePICTImage(const ImageInfo *image_info,
1591   Image *image,ExceptionInfo *exception)
1592 {
1593 #define MaxCount  128
1594 #define PictCropRegionOp  0x01
1595 #define PictEndOfPictureOp  0xff
1596 #define PictJPEGOp  0x8200
1597 #define PictInfoOp  0x0C00
1598 #define PictInfoSize  512
1599 #define PictPixmapOp  0x9A
1600 #define PictPICTOp  0x98
1601 #define PictVersion  0x11
1602
1603   const StringInfo
1604     *profile;
1605
1606   double
1607     x_resolution,
1608     y_resolution;
1609
1610   MagickBooleanType
1611     status;
1612
1613   MagickOffsetType
1614     offset;
1615
1616   PICTPixmap
1617     pixmap;
1618
1619   PICTRectangle
1620     bounds,
1621     crop_rectangle,
1622     destination_rectangle,
1623     frame_rectangle,
1624     size_rectangle,
1625     source_rectangle;
1626
1627   register const Quantum
1628     *p;
1629
1630   register ssize_t
1631     i,
1632     x;
1633
1634   size_t
1635     bytes_per_line,
1636     count,
1637     row_bytes,
1638     storage_class;
1639
1640   ssize_t
1641     y;
1642
1643   unsigned char
1644     *buffer,
1645     *packed_scanline,
1646     *scanline;
1647
1648   unsigned short
1649     base_address,
1650     transfer_mode;
1651
1652   /*
1653     Open output image file.
1654   */
1655   assert(image_info != (const ImageInfo *) NULL);
1656   assert(image_info->signature == MagickCoreSignature);
1657   assert(image != (Image *) NULL);
1658   assert(image->signature == MagickCoreSignature);
1659   if (image->debug != MagickFalse)
1660     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1661   if ((image->columns > 65535L) || (image->rows > 65535L))
1662     ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
1663   assert(exception != (ExceptionInfo *) NULL);
1664   assert(exception->signature == MagickCoreSignature);
1665   status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
1666   if (status == MagickFalse)
1667     return(status);
1668   (void) TransformImageColorspace(image,sRGBColorspace,exception);
1669   /*
1670     Initialize image info.
1671   */
1672   size_rectangle.top=0;
1673   size_rectangle.left=0;
1674   size_rectangle.bottom=(short) image->rows;
1675   size_rectangle.right=(short) image->columns;
1676   frame_rectangle=size_rectangle;
1677   crop_rectangle=size_rectangle;
1678   source_rectangle=size_rectangle;
1679   destination_rectangle=size_rectangle;
1680   base_address=0xff;
1681   row_bytes=image->columns;
1682   bounds.top=0;
1683   bounds.left=0;
1684   bounds.bottom=(short) image->rows;
1685   bounds.right=(short) image->columns;
1686   pixmap.version=0;
1687   pixmap.pack_type=0;
1688   pixmap.pack_size=0;
1689   pixmap.pixel_type=0;
1690   pixmap.bits_per_pixel=8;
1691   pixmap.component_count=1;
1692   pixmap.component_size=8;
1693   pixmap.plane_bytes=0;
1694   pixmap.table=0;
1695   pixmap.reserved=0;
1696   transfer_mode=0;
1697   x_resolution=image->resolution.x != 0.0 ? image->resolution.x :
1698     DefaultResolution;
1699   y_resolution=image->resolution.y != 0.0 ? image->resolution.y :
1700     DefaultResolution;
1701   storage_class=image->storage_class;
1702   if (image_info->compression == JPEGCompression)
1703     storage_class=DirectClass;
1704   if (storage_class == DirectClass)
1705     {
1706       pixmap.component_count=image->alpha_trait != UndefinedPixelTrait ? 4 : 3;
1707       pixmap.pixel_type=16;
1708       pixmap.bits_per_pixel=32;
1709       pixmap.pack_type=0x04;
1710       transfer_mode=0x40;
1711       row_bytes=4*image->columns;
1712     }
1713   /*
1714     Allocate memory.
1715   */
1716   bytes_per_line=image->columns;
1717   if (storage_class == DirectClass)
1718     bytes_per_line*=image->alpha_trait != UndefinedPixelTrait ? 4 : 3;
1719   buffer=(unsigned char *) AcquireQuantumMemory(PictInfoSize,sizeof(*buffer));
1720   packed_scanline=(unsigned char *) AcquireQuantumMemory((size_t)
1721    (row_bytes+MaxCount),sizeof(*packed_scanline));
1722   scanline=(unsigned char *) AcquireQuantumMemory(row_bytes,sizeof(*scanline));
1723   if ((buffer == (unsigned char *) NULL) ||
1724       (packed_scanline == (unsigned char *) NULL) ||
1725       (scanline == (unsigned char *) NULL))
1726     ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1727   (void) ResetMagickMemory(scanline,0,row_bytes);
1728   (void) ResetMagickMemory(packed_scanline,0,(size_t) (row_bytes+MaxCount));
1729   /*
1730     Write header, header size, size bounding box, version, and reserved.
1731   */
1732   (void) ResetMagickMemory(buffer,0,PictInfoSize);
1733   (void) WriteBlob(image,PictInfoSize,buffer);
1734   (void) WriteBlobMSBShort(image,0);
1735   (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.top);
1736   (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.left);
1737   (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.bottom);
1738   (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.right);
1739   (void) WriteBlobMSBShort(image,PictVersion);
1740   (void) WriteBlobMSBShort(image,0x02ff);  /* version #2 */
1741   (void) WriteBlobMSBShort(image,PictInfoOp);
1742   (void) WriteBlobMSBLong(image,0xFFFE0000UL);
1743   /*
1744     Write full size of the file, resolution, frame bounding box, and reserved.
1745   */
1746   (void) WriteBlobMSBShort(image,(unsigned short) x_resolution);
1747   (void) WriteBlobMSBShort(image,0x0000);
1748   (void) WriteBlobMSBShort(image,(unsigned short) y_resolution);
1749   (void) WriteBlobMSBShort(image,0x0000);
1750   (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.top);
1751   (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.left);
1752   (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.bottom);
1753   (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.right);
1754   (void) WriteBlobMSBLong(image,0x00000000L);
1755   profile=GetImageProfile(image,"iptc");
1756   if (profile != (StringInfo *) NULL)
1757     {
1758       (void) WriteBlobMSBShort(image,0xa1);
1759       (void) WriteBlobMSBShort(image,0x1f2);
1760       (void) WriteBlobMSBShort(image,(unsigned short)
1761         (GetStringInfoLength(profile)+4));
1762       (void) WriteBlobString(image,"8BIM");
1763       (void) WriteBlob(image,GetStringInfoLength(profile),
1764         GetStringInfoDatum(profile));
1765     }
1766   profile=GetImageProfile(image,"icc");
1767   if (profile != (StringInfo *) NULL)
1768     {
1769       (void) WriteBlobMSBShort(image,0xa1);
1770       (void) WriteBlobMSBShort(image,0xe0);
1771       (void) WriteBlobMSBShort(image,(unsigned short)
1772         (GetStringInfoLength(profile)+4));
1773       (void) WriteBlobMSBLong(image,0x00000000UL);
1774       (void) WriteBlob(image,GetStringInfoLength(profile),
1775         GetStringInfoDatum(profile));
1776       (void) WriteBlobMSBShort(image,0xa1);
1777       (void) WriteBlobMSBShort(image,0xe0);
1778       (void) WriteBlobMSBShort(image,4);
1779       (void) WriteBlobMSBLong(image,0x00000002UL);
1780     }
1781   /*
1782     Write crop region opcode and crop bounding box.
1783   */
1784   (void) WriteBlobMSBShort(image,PictCropRegionOp);
1785   (void) WriteBlobMSBShort(image,0xa);
1786   (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.top);
1787   (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.left);
1788   (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.bottom);
1789   (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.right);
1790   if (image_info->compression == JPEGCompression)
1791     {
1792       Image
1793         *jpeg_image;
1794
1795       ImageInfo
1796         *jpeg_info;
1797
1798       size_t
1799         length;
1800
1801       unsigned char
1802         *blob;
1803
1804       jpeg_image=CloneImage(image,0,0,MagickTrue,exception);
1805       if (jpeg_image == (Image *) NULL)
1806         {
1807           (void) CloseBlob(image);
1808           return(MagickFalse);
1809         }
1810       jpeg_info=CloneImageInfo(image_info);
1811       (void) CopyMagickString(jpeg_info->magick,"JPEG",MagickPathExtent);
1812       length=0;
1813       blob=(unsigned char *) ImageToBlob(jpeg_info,jpeg_image,&length,
1814         exception);
1815       jpeg_info=DestroyImageInfo(jpeg_info);
1816       if (blob == (unsigned char *) NULL)
1817         return(MagickFalse);
1818       jpeg_image=DestroyImage(jpeg_image);
1819       (void) WriteBlobMSBShort(image,PictJPEGOp);
1820       (void) WriteBlobMSBLong(image,(unsigned int) length+154);
1821       (void) WriteBlobMSBShort(image,0x0000);
1822       (void) WriteBlobMSBLong(image,0x00010000UL);
1823       (void) WriteBlobMSBLong(image,0x00000000UL);
1824       (void) WriteBlobMSBLong(image,0x00000000UL);
1825       (void) WriteBlobMSBLong(image,0x00000000UL);
1826       (void) WriteBlobMSBLong(image,0x00010000UL);
1827       (void) WriteBlobMSBLong(image,0x00000000UL);
1828       (void) WriteBlobMSBLong(image,0x00000000UL);
1829       (void) WriteBlobMSBLong(image,0x00000000UL);
1830       (void) WriteBlobMSBLong(image,0x40000000UL);
1831       (void) WriteBlobMSBLong(image,0x00000000UL);
1832       (void) WriteBlobMSBLong(image,0x00000000UL);
1833       (void) WriteBlobMSBLong(image,0x00000000UL);
1834       (void) WriteBlobMSBLong(image,0x00400000UL);
1835       (void) WriteBlobMSBShort(image,0x0000);
1836       (void) WriteBlobMSBShort(image,(unsigned short) image->rows);
1837       (void) WriteBlobMSBShort(image,(unsigned short) image->columns);
1838       (void) WriteBlobMSBShort(image,0x0000);
1839       (void) WriteBlobMSBShort(image,768);
1840       (void) WriteBlobMSBShort(image,0x0000);
1841       (void) WriteBlobMSBLong(image,0x00000000UL);
1842       (void) WriteBlobMSBLong(image,0x00566A70UL);
1843       (void) WriteBlobMSBLong(image,0x65670000UL);
1844       (void) WriteBlobMSBLong(image,0x00000000UL);
1845       (void) WriteBlobMSBLong(image,0x00000001UL);
1846       (void) WriteBlobMSBLong(image,0x00016170UL);
1847       (void) WriteBlobMSBLong(image,0x706C0000UL);
1848       (void) WriteBlobMSBLong(image,0x00000000UL);
1849       (void) WriteBlobMSBShort(image,768);
1850       (void) WriteBlobMSBShort(image,(unsigned short) image->columns);
1851       (void) WriteBlobMSBShort(image,(unsigned short) image->rows);
1852       (void) WriteBlobMSBShort(image,(unsigned short) x_resolution);
1853       (void) WriteBlobMSBShort(image,0x0000);
1854       (void) WriteBlobMSBShort(image,(unsigned short) y_resolution);
1855       (void) WriteBlobMSBLong(image,0x00000000UL);
1856       (void) WriteBlobMSBLong(image,0x87AC0001UL);
1857       (void) WriteBlobMSBLong(image,0x0B466F74UL);
1858       (void) WriteBlobMSBLong(image,0x6F202D20UL);
1859       (void) WriteBlobMSBLong(image,0x4A504547UL);
1860       (void) WriteBlobMSBLong(image,0x00000000UL);
1861       (void) WriteBlobMSBLong(image,0x00000000UL);
1862       (void) WriteBlobMSBLong(image,0x00000000UL);
1863       (void) WriteBlobMSBLong(image,0x00000000UL);
1864       (void) WriteBlobMSBLong(image,0x00000000UL);
1865       (void) WriteBlobMSBLong(image,0x0018FFFFUL);
1866       (void) WriteBlob(image,length,blob);
1867       if ((length & 0x01) != 0)
1868         (void) WriteBlobByte(image,'\0');
1869       blob=(unsigned char *) RelinquishMagickMemory(blob);
1870     }
1871   /*
1872     Write picture opcode, row bytes, and picture bounding box, and version.
1873   */
1874   if (storage_class == PseudoClass)
1875     (void) WriteBlobMSBShort(image,PictPICTOp);
1876   else
1877     {
1878       (void) WriteBlobMSBShort(image,PictPixmapOp);
1879       (void) WriteBlobMSBLong(image,(size_t) base_address);
1880     }
1881   (void) WriteBlobMSBShort(image,(unsigned short) (row_bytes | 0x8000));
1882   (void) WriteBlobMSBShort(image,(unsigned short) bounds.top);
1883   (void) WriteBlobMSBShort(image,(unsigned short) bounds.left);
1884   (void) WriteBlobMSBShort(image,(unsigned short) bounds.bottom);
1885   (void) WriteBlobMSBShort(image,(unsigned short) bounds.right);
1886   /*
1887     Write pack type, pack size, resolution, pixel type, and pixel size.
1888   */
1889   (void) WriteBlobMSBShort(image,(unsigned short) pixmap.version);
1890   (void) WriteBlobMSBShort(image,(unsigned short) pixmap.pack_type);
1891   (void) WriteBlobMSBLong(image,(unsigned int) pixmap.pack_size);
1892   (void) WriteBlobMSBShort(image,(unsigned short) (x_resolution+0.5));
1893   (void) WriteBlobMSBShort(image,0x0000);
1894   (void) WriteBlobMSBShort(image,(unsigned short) (y_resolution+0.5));
1895   (void) WriteBlobMSBShort(image,0x0000);
1896   (void) WriteBlobMSBShort(image,(unsigned short) pixmap.pixel_type);
1897   (void) WriteBlobMSBShort(image,(unsigned short) pixmap.bits_per_pixel);
1898   /*
1899     Write component count, size, plane bytes, table size, and reserved.
1900   */
1901   (void) WriteBlobMSBShort(image,(unsigned short) pixmap.component_count);
1902   (void) WriteBlobMSBShort(image,(unsigned short) pixmap.component_size);
1903   (void) WriteBlobMSBLong(image,(unsigned int) pixmap.plane_bytes);
1904   (void) WriteBlobMSBLong(image,(unsigned int) pixmap.table);
1905   (void) WriteBlobMSBLong(image,(unsigned int) pixmap.reserved);
1906   if (storage_class == PseudoClass)
1907     {
1908       /*
1909         Write image colormap.
1910       */
1911       (void) WriteBlobMSBLong(image,0x00000000L);  /* color seed */
1912       (void) WriteBlobMSBShort(image,0L);  /* color flags */
1913       (void) WriteBlobMSBShort(image,(unsigned short) (image->colors-1));
1914       for (i=0; i < (ssize_t) image->colors; i++)
1915       {
1916         (void) WriteBlobMSBShort(image,(unsigned short) i);
1917         (void) WriteBlobMSBShort(image,ScaleQuantumToShort(
1918           image->colormap[i].red));
1919         (void) WriteBlobMSBShort(image,ScaleQuantumToShort(
1920           image->colormap[i].green));
1921         (void) WriteBlobMSBShort(image,ScaleQuantumToShort(
1922           image->colormap[i].blue));
1923       }
1924     }
1925   /*
1926     Write source and destination rectangle.
1927   */
1928   (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.top);
1929   (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.left);
1930   (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.bottom);
1931   (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.right);
1932   (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.top);
1933   (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.left);
1934   (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.bottom);
1935   (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.right);
1936   (void) WriteBlobMSBShort(image,(unsigned short) transfer_mode);
1937   /*
1938     Write picture data.
1939   */
1940   count=0;
1941   if (storage_class == PseudoClass)
1942     for (y=0; y < (ssize_t) image->rows; y++)
1943     {
1944       p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1945       if (p == (const Quantum *) NULL)
1946         break;
1947       for (x=0; x < (ssize_t) image->columns; x++)
1948       {
1949         scanline[x]=(unsigned char) GetPixelIndex(image,p);
1950         p+=GetPixelChannels(image);
1951       }
1952       count+=EncodeImage(image,scanline,(size_t) (row_bytes & 0x7FFF),
1953         packed_scanline);
1954       if (image->previous == (Image *) NULL)
1955         {
1956           status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
1957             image->rows);
1958           if (status == MagickFalse)
1959             break;
1960         }
1961     }
1962   else
1963     if (image_info->compression == JPEGCompression)
1964       {
1965         (void) ResetMagickMemory(scanline,0,row_bytes);
1966         for (y=0; y < (ssize_t) image->rows; y++)
1967           count+=EncodeImage(image,scanline,(size_t) (row_bytes & 0x7FFF),
1968             packed_scanline);
1969       }
1970     else
1971       {
1972         register unsigned char
1973           *blue,
1974           *green,
1975           *opacity,
1976           *red;
1977
1978         red=scanline;
1979         green=scanline+image->columns;
1980         blue=scanline+2*image->columns;
1981         opacity=scanline+3*image->columns;
1982         for (y=0; y < (ssize_t) image->rows; y++)
1983         {
1984           p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1985           if (p == (const Quantum *) NULL)
1986             break;
1987           red=scanline;
1988           green=scanline+image->columns;
1989           blue=scanline+2*image->columns;
1990           if (image->alpha_trait != UndefinedPixelTrait)
1991             {
1992               opacity=scanline;
1993               red=scanline+image->columns;
1994               green=scanline+2*image->columns;
1995               blue=scanline+3*image->columns;
1996             }
1997           for (x=0; x < (ssize_t) image->columns; x++)
1998           {
1999             *red++=ScaleQuantumToChar(GetPixelRed(image,p));
2000             *green++=ScaleQuantumToChar(GetPixelGreen(image,p));
2001             *blue++=ScaleQuantumToChar(GetPixelBlue(image,p));
2002             if (image->alpha_trait != UndefinedPixelTrait)
2003               *opacity++=ScaleQuantumToChar((Quantum) (GetPixelAlpha(image,p)));
2004             p+=GetPixelChannels(image);
2005           }
2006           count+=EncodeImage(image,scanline,bytes_per_line,packed_scanline);
2007           if (image->previous == (Image *) NULL)
2008             {
2009               status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
2010                 image->rows);
2011               if (status == MagickFalse)
2012                 break;
2013             }
2014         }
2015       }
2016   if ((count & 0x01) != 0)
2017     (void) WriteBlobByte(image,'\0');
2018   (void) WriteBlobMSBShort(image,PictEndOfPictureOp);
2019   offset=TellBlob(image);
2020   offset=SeekBlob(image,512,SEEK_SET);
2021   (void) WriteBlobMSBShort(image,(unsigned short) offset);
2022   scanline=(unsigned char *) RelinquishMagickMemory(scanline);
2023   packed_scanline=(unsigned char *) RelinquishMagickMemory(packed_scanline);
2024   buffer=(unsigned char *) RelinquishMagickMemory(buffer);
2025   (void) CloseBlob(image);
2026   return(MagickTrue);
2027 }