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