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