2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
6 % PPPP IIIII CCCC TTTTT %
13 % Read/Write Apple Macintosh QuickDraw/PICT Format %
20 % Copyright 1999-2015 ImageMagick Studio LLC, a non-profit organization %
21 % dedicated to making software imaging solutions freely available. %
23 % You may not use this file except in compliance with the License. You may %
24 % obtain a copy of the License at %
26 % http://www.imagemagick.org/script/license.php %
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. %
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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"
74 ImageMagick Macintosh PICT Methods.
76 #define ReadPixmap(pixmap) \
78 pixmap.version=(short) ReadBlobMSBShort(image); \
79 pixmap.pack_type=(short) ReadBlobMSBShort(image); \
80 pixmap.pack_size=ReadBlobMSBLong(image); \
81 pixmap.horizontal_resolution=1UL*ReadBlobMSBShort(image); \
82 (void) ReadBlobMSBShort(image); \
83 pixmap.vertical_resolution=1UL*ReadBlobMSBShort(image); \
84 (void) ReadBlobMSBShort(image); \
85 pixmap.pixel_type=(short) ReadBlobMSBShort(image); \
86 pixmap.bits_per_pixel=(short) ReadBlobMSBShort(image); \
87 pixmap.component_count=(short) ReadBlobMSBShort(image); \
88 pixmap.component_size=(short) ReadBlobMSBShort(image); \
89 pixmap.plane_bytes=ReadBlobMSBLong(image); \
90 pixmap.table=ReadBlobMSBLong(image); \
91 pixmap.reserved=ReadBlobMSBLong(image); \
92 if ((EOFBlob(image) != MagickFalse) || (pixmap.bits_per_pixel <= 0) || \
93 (pixmap.bits_per_pixel > 32) || (pixmap.component_count <= 0) || \
94 (pixmap.component_count > 4) || (pixmap.component_size <= 0)) \
95 ThrowReaderException(CorruptImageError,"ImproperImageHeader"); \
98 typedef struct _PICTCode
110 typedef struct _PICTPixmap
118 horizontal_resolution,
133 typedef struct _PICTRectangle
142 static const PICTCode
145 /* 0x00 */ { "NOP", 0, "nop" },
146 /* 0x01 */ { "Clip", 0, "clip" },
147 /* 0x02 */ { "BkPat", 8, "background pattern" },
148 /* 0x03 */ { "TxFont", 2, "text font (word)" },
149 /* 0x04 */ { "TxFace", 1, "text face (byte)" },
150 /* 0x05 */ { "TxMode", 2, "text mode (word)" },
151 /* 0x06 */ { "SpExtra", 4, "space extra (fixed point)" },
152 /* 0x07 */ { "PnSize", 4, "pen size (point)" },
153 /* 0x08 */ { "PnMode", 2, "pen mode (word)" },
154 /* 0x09 */ { "PnPat", 8, "pen pattern" },
155 /* 0x0a */ { "FillPat", 8, "fill pattern" },
156 /* 0x0b */ { "OvSize", 4, "oval size (point)" },
157 /* 0x0c */ { "Origin", 4, "dh, dv (word)" },
158 /* 0x0d */ { "TxSize", 2, "text size (word)" },
159 /* 0x0e */ { "FgColor", 4, "foreground color (ssize_tword)" },
160 /* 0x0f */ { "BkColor", 4, "background color (ssize_tword)" },
161 /* 0x10 */ { "TxRatio", 8, "numerator (point), denominator (point)" },
162 /* 0x11 */ { "Version", 1, "version (byte)" },
163 /* 0x12 */ { "BkPixPat", 0, "color background pattern" },
164 /* 0x13 */ { "PnPixPat", 0, "color pen pattern" },
165 /* 0x14 */ { "FillPixPat", 0, "color fill pattern" },
166 /* 0x15 */ { "PnLocHFrac", 2, "fractional pen position" },
167 /* 0x16 */ { "ChExtra", 2, "extra for each character" },
168 /* 0x17 */ { "reserved", 0, "reserved for Apple use" },
169 /* 0x18 */ { "reserved", 0, "reserved for Apple use" },
170 /* 0x19 */ { "reserved", 0, "reserved for Apple use" },
171 /* 0x1a */ { "RGBFgCol", 6, "RGB foreColor" },
172 /* 0x1b */ { "RGBBkCol", 6, "RGB backColor" },
173 /* 0x1c */ { "HiliteMode", 0, "hilite mode flag" },
174 /* 0x1d */ { "HiliteColor", 6, "RGB hilite color" },
175 /* 0x1e */ { "DefHilite", 0, "Use default hilite color" },
176 /* 0x1f */ { "OpColor", 6, "RGB OpColor for arithmetic modes" },
177 /* 0x20 */ { "Line", 8, "pnLoc (point), newPt (point)" },
178 /* 0x21 */ { "LineFrom", 4, "newPt (point)" },
179 /* 0x22 */ { "ShortLine", 6, "pnLoc (point, dh, dv (-128 .. 127))" },
180 /* 0x23 */ { "ShortLineFrom", 2, "dh, dv (-128 .. 127)" },
181 /* 0x24 */ { "reserved", -1, "reserved for Apple use" },
182 /* 0x25 */ { "reserved", -1, "reserved for Apple use" },
183 /* 0x26 */ { "reserved", -1, "reserved for Apple use" },
184 /* 0x27 */ { "reserved", -1, "reserved for Apple use" },
185 /* 0x28 */ { "LongText", 0, "txLoc (point), count (0..255), text" },
186 /* 0x29 */ { "DHText", 0, "dh (0..255), count (0..255), text" },
187 /* 0x2a */ { "DVText", 0, "dv (0..255), count (0..255), text" },
188 /* 0x2b */ { "DHDVText", 0, "dh, dv (0..255), count (0..255), text" },
189 /* 0x2c */ { "reserved", -1, "reserved for Apple use" },
190 /* 0x2d */ { "reserved", -1, "reserved for Apple use" },
191 /* 0x2e */ { "reserved", -1, "reserved for Apple use" },
192 /* 0x2f */ { "reserved", -1, "reserved for Apple use" },
193 /* 0x30 */ { "frameRect", 8, "rect" },
194 /* 0x31 */ { "paintRect", 8, "rect" },
195 /* 0x32 */ { "eraseRect", 8, "rect" },
196 /* 0x33 */ { "invertRect", 8, "rect" },
197 /* 0x34 */ { "fillRect", 8, "rect" },
198 /* 0x35 */ { "reserved", 8, "reserved for Apple use" },
199 /* 0x36 */ { "reserved", 8, "reserved for Apple use" },
200 /* 0x37 */ { "reserved", 8, "reserved for Apple use" },
201 /* 0x38 */ { "frameSameRect", 0, "rect" },
202 /* 0x39 */ { "paintSameRect", 0, "rect" },
203 /* 0x3a */ { "eraseSameRect", 0, "rect" },
204 /* 0x3b */ { "invertSameRect", 0, "rect" },
205 /* 0x3c */ { "fillSameRect", 0, "rect" },
206 /* 0x3d */ { "reserved", 0, "reserved for Apple use" },
207 /* 0x3e */ { "reserved", 0, "reserved for Apple use" },
208 /* 0x3f */ { "reserved", 0, "reserved for Apple use" },
209 /* 0x40 */ { "frameRRect", 8, "rect" },
210 /* 0x41 */ { "paintRRect", 8, "rect" },
211 /* 0x42 */ { "eraseRRect", 8, "rect" },
212 /* 0x43 */ { "invertRRect", 8, "rect" },
213 /* 0x44 */ { "fillRRrect", 8, "rect" },
214 /* 0x45 */ { "reserved", 8, "reserved for Apple use" },
215 /* 0x46 */ { "reserved", 8, "reserved for Apple use" },
216 /* 0x47 */ { "reserved", 8, "reserved for Apple use" },
217 /* 0x48 */ { "frameSameRRect", 0, "rect" },
218 /* 0x49 */ { "paintSameRRect", 0, "rect" },
219 /* 0x4a */ { "eraseSameRRect", 0, "rect" },
220 /* 0x4b */ { "invertSameRRect", 0, "rect" },
221 /* 0x4c */ { "fillSameRRect", 0, "rect" },
222 /* 0x4d */ { "reserved", 0, "reserved for Apple use" },
223 /* 0x4e */ { "reserved", 0, "reserved for Apple use" },
224 /* 0x4f */ { "reserved", 0, "reserved for Apple use" },
225 /* 0x50 */ { "frameOval", 8, "rect" },
226 /* 0x51 */ { "paintOval", 8, "rect" },
227 /* 0x52 */ { "eraseOval", 8, "rect" },
228 /* 0x53 */ { "invertOval", 8, "rect" },
229 /* 0x54 */ { "fillOval", 8, "rect" },
230 /* 0x55 */ { "reserved", 8, "reserved for Apple use" },
231 /* 0x56 */ { "reserved", 8, "reserved for Apple use" },
232 /* 0x57 */ { "reserved", 8, "reserved for Apple use" },
233 /* 0x58 */ { "frameSameOval", 0, "rect" },
234 /* 0x59 */ { "paintSameOval", 0, "rect" },
235 /* 0x5a */ { "eraseSameOval", 0, "rect" },
236 /* 0x5b */ { "invertSameOval", 0, "rect" },
237 /* 0x5c */ { "fillSameOval", 0, "rect" },
238 /* 0x5d */ { "reserved", 0, "reserved for Apple use" },
239 /* 0x5e */ { "reserved", 0, "reserved for Apple use" },
240 /* 0x5f */ { "reserved", 0, "reserved for Apple use" },
241 /* 0x60 */ { "frameArc", 12, "rect, startAngle, arcAngle" },
242 /* 0x61 */ { "paintArc", 12, "rect, startAngle, arcAngle" },
243 /* 0x62 */ { "eraseArc", 12, "rect, startAngle, arcAngle" },
244 /* 0x63 */ { "invertArc", 12, "rect, startAngle, arcAngle" },
245 /* 0x64 */ { "fillArc", 12, "rect, startAngle, arcAngle" },
246 /* 0x65 */ { "reserved", 12, "reserved for Apple use" },
247 /* 0x66 */ { "reserved", 12, "reserved for Apple use" },
248 /* 0x67 */ { "reserved", 12, "reserved for Apple use" },
249 /* 0x68 */ { "frameSameArc", 4, "rect, startAngle, arcAngle" },
250 /* 0x69 */ { "paintSameArc", 4, "rect, startAngle, arcAngle" },
251 /* 0x6a */ { "eraseSameArc", 4, "rect, startAngle, arcAngle" },
252 /* 0x6b */ { "invertSameArc", 4, "rect, startAngle, arcAngle" },
253 /* 0x6c */ { "fillSameArc", 4, "rect, startAngle, arcAngle" },
254 /* 0x6d */ { "reserved", 4, "reserved for Apple use" },
255 /* 0x6e */ { "reserved", 4, "reserved for Apple use" },
256 /* 0x6f */ { "reserved", 4, "reserved for Apple use" },
257 /* 0x70 */ { "framePoly", 0, "poly" },
258 /* 0x71 */ { "paintPoly", 0, "poly" },
259 /* 0x72 */ { "erasePoly", 0, "poly" },
260 /* 0x73 */ { "invertPoly", 0, "poly" },
261 /* 0x74 */ { "fillPoly", 0, "poly" },
262 /* 0x75 */ { "reserved", 0, "reserved for Apple use" },
263 /* 0x76 */ { "reserved", 0, "reserved for Apple use" },
264 /* 0x77 */ { "reserved", 0, "reserved for Apple use" },
265 /* 0x78 */ { "frameSamePoly", 0, "poly (NYI)" },
266 /* 0x79 */ { "paintSamePoly", 0, "poly (NYI)" },
267 /* 0x7a */ { "eraseSamePoly", 0, "poly (NYI)" },
268 /* 0x7b */ { "invertSamePoly", 0, "poly (NYI)" },
269 /* 0x7c */ { "fillSamePoly", 0, "poly (NYI)" },
270 /* 0x7d */ { "reserved", 0, "reserved for Apple use" },
271 /* 0x7e */ { "reserved", 0, "reserved for Apple use" },
272 /* 0x7f */ { "reserved", 0, "reserved for Apple use" },
273 /* 0x80 */ { "frameRgn", 0, "region" },
274 /* 0x81 */ { "paintRgn", 0, "region" },
275 /* 0x82 */ { "eraseRgn", 0, "region" },
276 /* 0x83 */ { "invertRgn", 0, "region" },
277 /* 0x84 */ { "fillRgn", 0, "region" },
278 /* 0x85 */ { "reserved", 0, "reserved for Apple use" },
279 /* 0x86 */ { "reserved", 0, "reserved for Apple use" },
280 /* 0x87 */ { "reserved", 0, "reserved for Apple use" },
281 /* 0x88 */ { "frameSameRgn", 0, "region (NYI)" },
282 /* 0x89 */ { "paintSameRgn", 0, "region (NYI)" },
283 /* 0x8a */ { "eraseSameRgn", 0, "region (NYI)" },
284 /* 0x8b */ { "invertSameRgn", 0, "region (NYI)" },
285 /* 0x8c */ { "fillSameRgn", 0, "region (NYI)" },
286 /* 0x8d */ { "reserved", 0, "reserved for Apple use" },
287 /* 0x8e */ { "reserved", 0, "reserved for Apple use" },
288 /* 0x8f */ { "reserved", 0, "reserved for Apple use" },
289 /* 0x90 */ { "BitsRect", 0, "copybits, rect clipped" },
290 /* 0x91 */ { "BitsRgn", 0, "copybits, rgn clipped" },
291 /* 0x92 */ { "reserved", -1, "reserved for Apple use" },
292 /* 0x93 */ { "reserved", -1, "reserved for Apple use" },
293 /* 0x94 */ { "reserved", -1, "reserved for Apple use" },
294 /* 0x95 */ { "reserved", -1, "reserved for Apple use" },
295 /* 0x96 */ { "reserved", -1, "reserved for Apple use" },
296 /* 0x97 */ { "reserved", -1, "reserved for Apple use" },
297 /* 0x98 */ { "PackBitsRect", 0, "packed copybits, rect clipped" },
298 /* 0x99 */ { "PackBitsRgn", 0, "packed copybits, rgn clipped" },
299 /* 0x9a */ { "DirectBitsRect", 0, "PixMap, srcRect, dstRect, mode, PixData" },
300 /* 0x9b */ { "DirectBitsRgn", 0, "PixMap, srcRect, dstRect, mode, maskRgn, PixData" },
301 /* 0x9c */ { "reserved", -1, "reserved for Apple use" },
302 /* 0x9d */ { "reserved", -1, "reserved for Apple use" },
303 /* 0x9e */ { "reserved", -1, "reserved for Apple use" },
304 /* 0x9f */ { "reserved", -1, "reserved for Apple use" },
305 /* 0xa0 */ { "ShortComment", 2, "kind (word)" },
306 /* 0xa1 */ { "LongComment", 0, "kind (word), size (word), data" }
310 Forward declarations.
312 static MagickBooleanType
313 WritePICTImage(const ImageInfo *,Image *,ExceptionInfo *);
316 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
320 % D e c o d e I m a g e %
324 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
326 % DecodeImage decompresses an image via Macintosh pack bits decoding for
327 % Macintosh PICT images.
329 % The format of the DecodeImage method is:
331 % unsigned char *DecodeImage(Image *blob,Image *image,
332 % size_t bytes_per_line,const int bits_per_pixel,
333 % unsigned size_t extent)
335 % A description of each parameter follows:
337 % o image_info: the image info.
339 % o blob,image: the address of a structure of type Image.
341 % o bytes_per_line: This integer identifies the number of bytes in a
344 % o bits_per_pixel: the number of bits in a pixel.
346 % o extent: the number of pixels allocated.
350 static unsigned char *ExpandBuffer(unsigned char *pixels,
351 MagickSizeType *bytes_per_line,const unsigned int bits_per_pixel)
356 register unsigned char
365 switch (bits_per_pixel)
373 for (i=0; i < (ssize_t) *bytes_per_line; i++)
375 *q++=(*p >> 4) & 0xff;
384 for (i=0; i < (ssize_t) *bytes_per_line; i++)
386 *q++=(*p >> 6) & 0x03;
387 *q++=(*p >> 4) & 0x03;
388 *q++=(*p >> 2) & 0x03;
397 for (i=0; i < (ssize_t) *bytes_per_line; i++)
399 *q++=(*p >> 7) & 0x01;
400 *q++=(*p >> 6) & 0x01;
401 *q++=(*p >> 5) & 0x01;
402 *q++=(*p >> 4) & 0x01;
403 *q++=(*p >> 3) & 0x01;
404 *q++=(*p >> 2) & 0x01;
405 *q++=(*p >> 1) & 0x01;
418 static unsigned char *DecodeImage(Image *blob,Image *image,
419 size_t bytes_per_line,const unsigned int bits_per_pixel,size_t *extent,
420 ExceptionInfo *exception)
428 register unsigned char
449 Determine pixel buffer size.
451 if (bits_per_pixel <= 8)
452 bytes_per_line&=0x7fff;
453 width=image->columns;
455 if (bits_per_pixel == 16)
461 if (bits_per_pixel == 32)
462 width*=image->alpha_trait ? 4 : 3;
463 if (bytes_per_line == 0)
464 bytes_per_line=width;
465 row_bytes=(size_t) (image->columns | 0x8000);
466 if (image->storage_class == DirectClass)
467 row_bytes=(size_t) ((4*image->columns) | 0x8000);
469 Allocate pixel and scanline buffer.
471 pixels=(unsigned char *) AcquireQuantumMemory(image->rows,row_bytes*
473 if (pixels == (unsigned char *) NULL)
474 return((unsigned char *) NULL);
475 *extent=row_bytes*image->rows*sizeof(*pixels);
476 (void) ResetMagickMemory(pixels,0,*extent);
477 scanline=(unsigned char *) AcquireQuantumMemory(row_bytes,2*
479 if (scanline == (unsigned char *) NULL)
480 return((unsigned char *) NULL);
481 if (bytes_per_line < 8)
484 Pixels are already uncompressed.
486 for (y=0; y < (ssize_t) image->rows; y++)
488 q=pixels+y*width*GetPixelChannels(image);;
489 number_pixels=bytes_per_line;
490 count=ReadBlob(blob,(size_t) number_pixels,scanline);
491 if (count != (ssize_t) number_pixels)
493 (void) ThrowMagickException(exception,GetMagickModule(),
494 CorruptImageError,"UnableToUncompressImage","`%s'",
498 p=ExpandBuffer(scanline,&number_pixels,bits_per_pixel);
499 if ((q+number_pixels) > (pixels+(*extent)))
501 (void) ThrowMagickException(exception,GetMagickModule(),
502 CorruptImageError,"UnableToUncompressImage","`%s'",
506 (void) CopyMagickMemory(q,p,(size_t) number_pixels);
508 scanline=(unsigned char *) RelinquishMagickMemory(scanline);
512 Uncompress RLE pixels into uncompressed pixel buffer.
514 for (y=0; y < (ssize_t) image->rows; y++)
517 if (bytes_per_line > 200)
518 scanline_length=ReadBlobMSBShort(blob);
520 scanline_length=1UL*ReadBlobByte(blob);
521 if (scanline_length >= row_bytes)
523 (void) ThrowMagickException(exception,GetMagickModule(),
524 CorruptImageError,"UnableToUncompressImage","`%s'",image->filename);
527 count=ReadBlob(blob,scanline_length,scanline);
528 if (count != (ssize_t) scanline_length)
530 (void) ThrowMagickException(exception,GetMagickModule(),
531 CorruptImageError,"UnableToUncompressImage","`%s'",image->filename);
534 for (j=0; j < (ssize_t) scanline_length; )
535 if ((scanline[j] & 0x80) == 0)
537 length=(size_t) ((scanline[j] & 0xff)+1);
538 number_pixels=length*bytes_per_pixel;
539 p=ExpandBuffer(scanline+j+1,&number_pixels,bits_per_pixel);
540 if ((q-pixels+number_pixels) <= *extent)
541 (void) CopyMagickMemory(q,p,(size_t) number_pixels);
543 j+=(ssize_t) (length*bytes_per_pixel+1);
547 length=(size_t) (((scanline[j] ^ 0xff) & 0xff)+2);
548 number_pixels=bytes_per_pixel;
549 p=ExpandBuffer(scanline+j+1,&number_pixels,bits_per_pixel);
550 for (i=0; i < (ssize_t) length; i++)
552 if ((q-pixels+number_pixels) <= *extent)
553 (void) CopyMagickMemory(q,p,(size_t) number_pixels);
556 j+=(ssize_t) bytes_per_pixel+1;
559 scanline=(unsigned char *) RelinquishMagickMemory(scanline);
564 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
568 % E n c o d e I m a g e %
572 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
574 % EncodeImage compresses an image via Macintosh pack bits encoding
575 % for Macintosh PICT images.
577 % The format of the EncodeImage method is:
579 % size_t EncodeImage(Image *image,const unsigned char *scanline,
580 % const size_t bytes_per_line,unsigned char *pixels)
582 % A description of each parameter follows:
584 % o image: the address of a structure of type Image.
586 % o scanline: A pointer to an array of characters to pack.
588 % o bytes_per_line: the number of bytes in a scanline.
590 % o pixels: A pointer to an array of characters where the packed
591 % characters are stored.
594 static size_t EncodeImage(Image *image,const unsigned char *scanline,
595 const size_t bytes_per_line,unsigned char *pixels)
598 #define MaxPackbitsRunlength 128
600 register const unsigned char
606 register unsigned char
623 assert(image != (Image *) NULL);
624 assert(image->signature == MagickSignature);
625 if (image->debug != MagickFalse)
626 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
627 assert(scanline != (unsigned char *) NULL);
628 assert(pixels != (unsigned char *) NULL);
631 p=scanline+(bytes_per_line-1);
634 for (i=(ssize_t) bytes_per_line-1; i >= 0; i--)
641 while (runlength > 0)
643 *q++=(unsigned char) index;
646 if (count == MaxCount)
648 *q++=(unsigned char) (MaxCount-1);
655 *q++=(unsigned char) (count-1);
657 while (runlength > 0)
659 repeat_count=runlength;
660 if (repeat_count > MaxPackbitsRunlength)
661 repeat_count=MaxPackbitsRunlength;
662 *q++=(unsigned char) index;
663 *q++=(unsigned char) (257-repeat_count);
664 runlength-=repeat_count;
673 while (runlength > 0)
675 *q++=(unsigned char) index;
678 if (count == MaxCount)
680 *q++=(unsigned char) (MaxCount-1);
687 *q++=(unsigned char) (count-1);
689 while (runlength > 0)
691 repeat_count=runlength;
692 if (repeat_count > MaxPackbitsRunlength)
693 repeat_count=MaxPackbitsRunlength;
694 *q++=(unsigned char) index;
695 *q++=(unsigned char) (257-repeat_count);
696 runlength-=repeat_count;
700 *q++=(unsigned char) (count-1);
702 Write the number of and the packed length.
704 length=(size_t) (q-pixels);
705 if (bytes_per_line > 200)
707 (void) WriteBlobMSBShort(image,(unsigned short) length);
712 (void) WriteBlobByte(image,(unsigned char) length);
718 (void) WriteBlobByte(image,*q);
724 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
732 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
734 % IsPICT()() returns MagickTrue if the image format type, identified by the
735 % magick string, is PICT.
737 % The format of the ReadPICTImage method is:
739 % MagickBooleanType IsPICT(const unsigned char *magick,const size_t length)
741 % A description of each parameter follows:
743 % o magick: compare image format pattern against these bytes.
745 % o length: Specifies the length of the magick string.
748 static MagickBooleanType IsPICT(const unsigned char *magick,const size_t length)
753 Embedded OLE2 macintosh have "PICT" instead of 512 platform header.
755 if (memcmp(magick,"PICT",4) == 0)
759 if (memcmp(magick+522,"\000\021\002\377\014\000",6) == 0)
764 #if !defined(macintosh)
766 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
770 % R e a d P I C T I m a g e %
774 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
776 % ReadPICTImage() reads an Apple Macintosh QuickDraw/PICT image file
777 % and returns it. It allocates the memory necessary for the new Image
778 % structure and returns a pointer to the new image.
780 % The format of the ReadPICTImage method is:
782 % Image *ReadPICTImage(const ImageInfo *image_info,
783 % ExceptionInfo *exception)
785 % A description of each parameter follows:
787 % o image_info: the image info.
789 % o exception: return any errors or warnings in this structure.
793 static MagickBooleanType ReadRectangle(Image *image,PICTRectangle *rectangle)
795 rectangle->top=(short) ReadBlobMSBShort(image);
796 rectangle->left=(short) ReadBlobMSBShort(image);
797 rectangle->bottom=(short) ReadBlobMSBShort(image);
798 rectangle->right=(short) ReadBlobMSBShort(image);
799 if ((EOFBlob(image) != MagickFalse) || (rectangle->left > rectangle->right) ||
800 (rectangle->top > rectangle->bottom))
805 static Image *ReadPICTImage(const ImageInfo *image_info,
806 ExceptionInfo *exception)
809 geometry[MaxTextExtent],
856 assert(image_info != (const ImageInfo *) NULL);
857 assert(image_info->signature == MagickSignature);
858 if (image_info->debug != MagickFalse)
859 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
860 image_info->filename);
861 assert(exception != (ExceptionInfo *) NULL);
862 assert(exception->signature == MagickSignature);
863 image=AcquireImage(image_info,exception);
864 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
865 if (status == MagickFalse)
867 image=DestroyImageList(image);
868 return((Image *) NULL);
873 pixmap.bits_per_pixel=0;
874 pixmap.component_count=0;
876 Skip header : 512 for standard PICT and 4, ie "PICT" for OLE2.
878 header_ole[0]=ReadBlobByte(image);
879 header_ole[1]=ReadBlobByte(image);
880 header_ole[2]=ReadBlobByte(image);
881 header_ole[3]=ReadBlobByte(image);
882 if (!((header_ole[0] == 0x50) && (header_ole[1] == 0x49) &&
883 (header_ole[2] == 0x43) && (header_ole[3] == 0x54 )))
884 for (i=0; i < 508; i++)
885 (void) ReadBlobByte(image);
886 (void) ReadBlobMSBShort(image); /* skip picture size */
887 if (ReadRectangle(image,&frame) == MagickFalse)
888 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
889 while ((c=ReadBlobByte(image)) == 0) ;
891 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
892 version=ReadBlobByte(image);
895 c=ReadBlobByte(image);
897 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
901 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
902 if ((frame.left < 0) || (frame.right < 0) || (frame.top < 0) ||
903 (frame.bottom < 0) || (frame.left >= frame.right) ||
904 (frame.top >= frame.bottom))
905 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
911 image->columns=1UL*(frame.right-frame.left);
912 image->rows=1UL*(frame.bottom-frame.top);
913 image->resolution.x=DefaultResolution;
914 image->resolution.y=DefaultResolution;
915 image->units=UndefinedResolution;
916 if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
917 if (image->scene >= (image_info->scene+image_info->number_scenes-1))
919 (void) CloseBlob(image);
920 return(GetFirstImageInList(image));
922 status=SetImageExtent(image,image->columns,image->rows,exception);
923 if (status == MagickFalse)
924 return(DestroyImageList(image));
926 Interpret PICT opcodes.
929 for (code=0; EOFBlob(image) == MagickFalse; )
931 if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
932 if (image->scene >= (image_info->scene+image_info->number_scenes-1))
934 if ((version == 1) || ((TellBlob(image) % 2) != 0))
935 code=ReadBlobByte(image);
937 code=(int) ReadBlobMSBShort(image);
942 if (image->debug != MagickFalse)
943 (void) LogMagickEvent(CoderEvent,GetMagickModule(),"%04X:",code);
947 if (image->debug != MagickFalse)
948 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
949 " %04X %s: %s",code,codes[code].name,codes[code].description);
957 length=ReadBlobMSBShort(image);
958 if (length != 0x000a)
960 for (i=0; i < (ssize_t) (length-2); i++)
961 (void) ReadBlobByte(image);
964 if (ReadRectangle(image,&frame) == MagickFalse)
965 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
966 if (((frame.left & 0x8000) != 0) || ((frame.top & 0x8000) != 0))
968 image->columns=1UL*(frame.right-frame.left);
969 image->rows=1UL*(frame.bottom-frame.top);
970 (void) SetImageBackgroundColor(image,exception);
985 Skip pattern definition.
987 pattern=1L*ReadBlobMSBShort(image);
988 for (i=0; i < 8; i++)
989 (void) ReadBlobByte(image);
992 for (i=0; i < 5; i++)
993 (void) ReadBlobByte(image);
997 ThrowReaderException(CorruptImageError,"UnknownPatternType");
998 length=ReadBlobMSBShort(image);
999 if (ReadRectangle(image,&frame) == MagickFalse)
1000 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1002 image->depth=1UL*pixmap.component_size;
1003 image->resolution.x=1.0*pixmap.horizontal_resolution;
1004 image->resolution.y=1.0*pixmap.vertical_resolution;
1005 image->units=PixelsPerInchResolution;
1006 (void) ReadBlobMSBLong(image);
1007 flags=1L*ReadBlobMSBShort(image);
1008 length=ReadBlobMSBShort(image);
1009 for (i=0; i <= (ssize_t) length; i++)
1010 (void) ReadBlobMSBLong(image);
1011 width=1UL*(frame.bottom-frame.top);
1012 height=1UL*(frame.right-frame.left);
1013 if (pixmap.bits_per_pixel <= 8)
1015 if (pixmap.bits_per_pixel == 16)
1021 for (i=0; i < (ssize_t) (length*height); i++)
1022 (void) ReadBlobByte(image);
1025 for (j=0; j < (int) height; j++)
1027 for (j=0; j < (ssize_t) ReadBlobMSBShort(image); j++)
1028 (void) ReadBlobByte(image);
1030 for (j=0; j < (ssize_t) ReadBlobByte(image); j++)
1031 (void) ReadBlobByte(image);
1037 Initialize image background color.
1039 image->background_color.red=(Quantum)
1040 ScaleShortToQuantum(ReadBlobMSBShort(image));
1041 image->background_color.green=(Quantum)
1042 ScaleShortToQuantum(ReadBlobMSBShort(image));
1043 image->background_color.blue=(Quantum)
1044 ScaleShortToQuantum(ReadBlobMSBShort(image));
1057 Skip polygon or region.
1059 length=ReadBlobMSBShort(image);
1060 for (i=0; i < (ssize_t) (length-2); i++)
1061 (void) ReadBlobByte(image);
1078 register unsigned char
1091 Pixmap clipped by a rectangle.
1094 if ((code != 0x9a) && (code != 0x9b))
1095 bytes_per_line=1L*ReadBlobMSBShort(image);
1098 (void) ReadBlobMSBShort(image);
1099 (void) ReadBlobMSBShort(image);
1100 (void) ReadBlobMSBShort(image);
1102 if (ReadRectangle(image,&frame) == MagickFalse)
1103 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1105 Initialize tile image.
1107 tile_image=CloneImage(image,1UL*(frame.right-frame.left),
1108 1UL*(frame.bottom-frame.top),MagickTrue,exception);
1109 if (tile_image == (Image *) NULL)
1110 return((Image *) NULL);
1111 if ((code == 0x9a) || (code == 0x9b) ||
1112 ((bytes_per_line & 0x8000) != 0))
1115 tile_image->depth=1UL*pixmap.component_size;
1116 tile_image->alpha_trait=pixmap.component_count == 4 ?
1117 BlendPixelTrait : UndefinedPixelTrait;
1118 tile_image->resolution.x=(double) pixmap.horizontal_resolution;
1119 tile_image->resolution.y=(double) pixmap.vertical_resolution;
1120 tile_image->units=PixelsPerInchResolution;
1121 if (tile_image->alpha_trait != UndefinedPixelTrait)
1122 image->alpha_trait=tile_image->alpha_trait;
1124 if ((code != 0x9a) && (code != 0x9b))
1127 Initialize colormap.
1129 tile_image->colors=2;
1130 if ((bytes_per_line & 0x8000) != 0)
1132 (void) ReadBlobMSBLong(image);
1133 flags=1L*ReadBlobMSBShort(image);
1134 tile_image->colors=1UL*ReadBlobMSBShort(image)+1;
1136 status=AcquireImageColormap(tile_image,tile_image->colors,
1138 if (status == MagickFalse)
1140 tile_image=DestroyImage(tile_image);
1141 ThrowReaderException(ResourceLimitError,
1142 "MemoryAllocationFailed");
1144 if ((bytes_per_line & 0x8000) != 0)
1146 for (i=0; i < (ssize_t) tile_image->colors; i++)
1148 j=ReadBlobMSBShort(image) % tile_image->colors;
1149 if ((flags & 0x8000) != 0)
1151 tile_image->colormap[j].red=(Quantum)
1152 ScaleShortToQuantum(ReadBlobMSBShort(image));
1153 tile_image->colormap[j].green=(Quantum)
1154 ScaleShortToQuantum(ReadBlobMSBShort(image));
1155 tile_image->colormap[j].blue=(Quantum)
1156 ScaleShortToQuantum(ReadBlobMSBShort(image));
1161 for (i=0; i < (ssize_t) tile_image->colors; i++)
1163 tile_image->colormap[i].red=(Quantum) (QuantumRange-
1164 tile_image->colormap[i].red);
1165 tile_image->colormap[i].green=(Quantum) (QuantumRange-
1166 tile_image->colormap[i].green);
1167 tile_image->colormap[i].blue=(Quantum) (QuantumRange-
1168 tile_image->colormap[i].blue);
1172 if (ReadRectangle(image,&source) == MagickFalse)
1173 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1174 if (ReadRectangle(image,&destination) == MagickFalse)
1175 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1176 (void) ReadBlobMSBShort(image);
1177 if ((code == 0x91) || (code == 0x99) || (code == 0x9b))
1182 length=ReadBlobMSBShort(image);
1183 for (i=0; i < (ssize_t) (length-2); i++)
1184 (void) ReadBlobByte(image);
1186 if ((code != 0x9a) && (code != 0x9b) &&
1187 (bytes_per_line & 0x8000) == 0)
1188 pixels=DecodeImage(image,tile_image,1UL*bytes_per_line,1,&extent,
1191 pixels=DecodeImage(image,tile_image,1UL*bytes_per_line,1U*
1192 pixmap.bits_per_pixel,&extent,exception);
1193 if (pixels == (unsigned char *) NULL)
1195 tile_image=DestroyImage(tile_image);
1196 ThrowReaderException(ResourceLimitError,
1197 "MemoryAllocationFailed");
1200 Convert PICT tile image to pixel packets.
1203 for (y=0; y < (ssize_t) tile_image->rows; y++)
1205 if (p > (pixels+extent+image->columns))
1206 ThrowReaderException(CorruptImageError,"NotEnoughPixelData");
1207 q=QueueAuthenticPixels(tile_image,0,y,tile_image->columns,1,
1209 if (q == (Quantum *) NULL)
1211 for (x=0; x < (ssize_t) tile_image->columns; x++)
1213 if (tile_image->storage_class == PseudoClass)
1215 index=ConstrainColormapIndex(tile_image,*p,exception);
1216 SetPixelIndex(tile_image,index,q);
1217 SetPixelRed(tile_image,
1218 tile_image->colormap[(ssize_t) index].red,q);
1219 SetPixelGreen(tile_image,
1220 tile_image->colormap[(ssize_t) index].green,q);
1221 SetPixelBlue(tile_image,
1222 tile_image->colormap[(ssize_t) index].blue,q);
1226 if (pixmap.bits_per_pixel == 16)
1230 SetPixelRed(tile_image,ScaleCharToQuantum(
1231 (unsigned char) ((i & 0x7c) << 1)),q);
1232 SetPixelGreen(tile_image,ScaleCharToQuantum(
1233 (unsigned char) (((i & 0x03) << 6) |
1234 ((j & 0xe0) >> 2))),q);
1235 SetPixelBlue(tile_image,ScaleCharToQuantum(
1236 (unsigned char) ((j & 0x1f) << 3)),q);
1239 if (tile_image->alpha_trait == UndefinedPixelTrait)
1241 if (p > (pixels+extent+2*image->columns))
1242 ThrowReaderException(CorruptImageError,
1243 "NotEnoughPixelData");
1244 SetPixelRed(tile_image,ScaleCharToQuantum(*p),q);
1245 SetPixelGreen(tile_image,ScaleCharToQuantum(
1246 *(p+tile_image->columns)),q);
1247 SetPixelBlue(tile_image,ScaleCharToQuantum(
1248 *(p+2*tile_image->columns)),q);
1252 if (p > (pixels+extent+3*image->columns))
1253 ThrowReaderException(CorruptImageError,
1254 "NotEnoughPixelData");
1255 SetPixelAlpha(tile_image,ScaleCharToQuantum(*p),q);
1256 SetPixelRed(tile_image,ScaleCharToQuantum(
1257 *(p+tile_image->columns)),q);
1258 SetPixelGreen(tile_image,ScaleCharToQuantum(
1259 *(p+2*tile_image->columns)),q);
1260 SetPixelBlue(tile_image,ScaleCharToQuantum(
1261 *(p+3*tile_image->columns)),q);
1265 q+=GetPixelChannels(tile_image);
1267 if (SyncAuthenticPixels(tile_image,exception) == MagickFalse)
1269 if ((tile_image->storage_class == DirectClass) &&
1270 (pixmap.bits_per_pixel != 16))
1272 p+=(pixmap.component_count-1)*tile_image->columns;
1276 status=SetImageProgress(image,LoadImageTag,y,tile_image->rows);
1277 if (status == MagickFalse)
1280 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1281 if (jpeg == MagickFalse)
1282 if ((code == 0x9a) || (code == 0x9b) ||
1283 ((bytes_per_line & 0x8000) != 0))
1284 (void) CompositeImage(image,tile_image,CopyCompositeOp,
1285 MagickTrue,destination.left,destination.top,exception);
1286 tile_image=DestroyImage(tile_image);
1300 type=ReadBlobMSBShort(image);
1301 length=ReadBlobMSBShort(image);
1304 (void) ReadBlobMSBLong(image);
1308 info=(unsigned char *) AcquireQuantumMemory(length,sizeof(*info));
1309 if (info == (unsigned char *) NULL)
1311 count=ReadBlob(image,length,info);
1312 if (count != (ssize_t) length)
1313 ThrowReaderException(ResourceLimitError,"UnableToReadImageData");
1320 profile=BlobToStringInfo((const void *) NULL,length);
1321 SetStringInfoDatum(profile,info);
1322 status=SetImageProfile(image,"icc",profile,exception);
1323 profile=DestroyStringInfo(profile);
1324 if (status == MagickFalse)
1325 ThrowReaderException(ResourceLimitError,
1326 "MemoryAllocationFailed");
1333 profile=BlobToStringInfo((const void *) NULL,length);
1334 SetStringInfoDatum(profile,info);
1335 status=SetImageProfile(image,"iptc",profile,exception);
1336 if (status == MagickFalse)
1337 ThrowReaderException(ResourceLimitError,
1338 "MemoryAllocationFailed");
1339 profile=DestroyStringInfo(profile);
1345 info=(unsigned char *) RelinquishMagickMemory(info);
1351 Skip to next op code.
1355 if (codes[code].length == -1)
1356 (void) ReadBlobMSBShort(image);
1358 for (i=0; i < (ssize_t) codes[code].length; i++)
1359 (void) ReadBlobByte(image);
1368 for (i=0; i < 24; i++)
1369 (void) ReadBlobByte(image);
1372 if (((code >= 0xb0) && (code <= 0xcf)) ||
1373 ((code >= 0x8000) && (code <= 0x80ff)))
1393 read_info=CloneImageInfo(image_info);
1394 SetImageInfoBlob(read_info,(void *) NULL,0);
1396 unique_file=AcquireUniqueFileResource(read_info->filename);
1397 if (unique_file != -1)
1398 file=fdopen(unique_file,"wb");
1399 if ((unique_file == -1) || (file == (FILE *) NULL))
1401 if (file != (FILE *) NULL)
1402 (void) fclose(file);
1403 (void) RelinquishUniqueFileResource(read_info->filename);
1404 (void) CopyMagickString(image->filename,read_info->filename,
1406 ThrowFileException(exception,FileOpenError,
1407 "UnableToCreateTemporaryFile",image->filename);
1408 image=DestroyImageList(image);
1409 return((Image *) NULL);
1411 length=ReadBlobMSBLong(image);
1412 for (i=0; i < 6; i++)
1413 (void) ReadBlobMSBLong(image);
1414 if (ReadRectangle(image,&frame) == MagickFalse)
1416 (void) fclose(file);
1417 (void) RelinquishUniqueFileResource(read_info->filename);
1418 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1420 for (i=0; i < 122; i++)
1421 (void) ReadBlobByte(image);
1422 for (i=0; i < (ssize_t) (length-154); i++)
1424 c=ReadBlobByte(image);
1425 (void) fputc(c,file);
1427 (void) fclose(file);
1428 (void) close(unique_file);
1429 tile_image=ReadImage(read_info,exception);
1430 (void) RelinquishUniqueFileResource(read_info->filename);
1431 read_info=DestroyImageInfo(read_info);
1432 if (tile_image == (Image *) NULL)
1434 (void) FormatLocaleString(geometry,MaxTextExtent,"%.20gx%.20g",
1435 (double) MagickMax(image->columns,tile_image->columns),
1436 (double) MagickMax(image->rows,tile_image->rows));
1437 (void) SetImageExtent(image,
1438 MagickMax(image->columns,tile_image->columns),
1439 MagickMax(image->rows,tile_image->rows),exception);
1440 (void) TransformImageColorspace(image,tile_image->colorspace,exception);
1441 (void) CompositeImage(image,tile_image,CopyCompositeOp,MagickTrue,
1442 frame.left,frame.right,exception);
1443 image->compression=tile_image->compression;
1444 tile_image=DestroyImage(tile_image);
1447 if ((code == 0xff) || (code == 0xffff))
1449 if (((code >= 0xd0) && (code <= 0xfe)) ||
1450 ((code >= 0x8100) && (code <= 0xffff)))
1455 length=ReadBlobMSBShort(image);
1456 for (i=0; i < (ssize_t) length; i++)
1457 (void) ReadBlobByte(image);
1460 if ((code >= 0x100) && (code <= 0x7fff))
1465 length=(size_t) ((code >> 7) & 0xff);
1466 for (i=0; i < (ssize_t) length; i++)
1467 (void) ReadBlobByte(image);
1471 (void) CloseBlob(image);
1472 return(GetFirstImageInList(image));
1477 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1481 % R e g i s t e r P I C T I m a g e %
1485 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1487 % RegisterPICTImage() adds attributes for the PICT image format to
1488 % the list of supported formats. The attributes include the image format
1489 % tag, a method to read and/or write the format, whether the format
1490 % supports the saving of more than one frame to the same file or blob,
1491 % whether the format supports native in-memory I/O, and a brief
1492 % description of the format.
1494 % The format of the RegisterPICTImage method is:
1496 % size_t RegisterPICTImage(void)
1499 ModuleExport size_t RegisterPICTImage(void)
1504 entry=SetMagickInfo("PCT");
1505 entry->decoder=(DecodeImageHandler *) ReadPICTImage;
1506 entry->encoder=(EncodeImageHandler *) WritePICTImage;
1507 entry->adjoin=MagickFalse;
1508 entry->seekable_stream=MagickTrue;
1509 entry->description=ConstantString("Apple Macintosh QuickDraw/PICT");
1510 entry->magick=(IsImageFormatHandler *) IsPICT;
1511 entry->module=ConstantString("PICT");
1512 (void) RegisterMagickInfo(entry);
1513 entry=SetMagickInfo("PICT");
1514 entry->decoder=(DecodeImageHandler *) ReadPICTImage;
1515 entry->encoder=(EncodeImageHandler *) WritePICTImage;
1516 entry->adjoin=MagickFalse;
1517 entry->seekable_stream=MagickTrue;
1518 entry->description=ConstantString("Apple Macintosh QuickDraw/PICT");
1519 entry->magick=(IsImageFormatHandler *) IsPICT;
1520 entry->module=ConstantString("PICT");
1521 (void) RegisterMagickInfo(entry);
1522 return(MagickImageCoderSignature);
1526 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1530 % U n r e g i s t e r P I C T I m a g e %
1534 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1536 % UnregisterPICTImage() removes format registrations made by the
1537 % PICT module from the list of supported formats.
1539 % The format of the UnregisterPICTImage method is:
1541 % UnregisterPICTImage(void)
1544 ModuleExport void UnregisterPICTImage(void)
1546 (void) UnregisterMagickInfo("PCT");
1547 (void) UnregisterMagickInfo("PICT");
1551 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1555 % W r i t e P I C T I m a g e %
1559 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1561 % WritePICTImage() writes an image to a file in the Apple Macintosh
1562 % QuickDraw/PICT image format.
1564 % The format of the WritePICTImage method is:
1566 % MagickBooleanType WritePICTImage(const ImageInfo *image_info,
1567 % Image *image,ExceptionInfo *exception)
1569 % A description of each parameter follows.
1571 % o image_info: the image info.
1573 % o image: The image.
1575 % o exception: return any errors or warnings in this structure.
1578 static MagickBooleanType WritePICTImage(const ImageInfo *image_info,
1579 Image *image,ExceptionInfo *exception)
1581 #define MaxCount 128
1582 #define PictCropRegionOp 0x01
1583 #define PictEndOfPictureOp 0xff
1584 #define PictJPEGOp 0x8200
1585 #define PictInfoOp 0x0C00
1586 #define PictInfoSize 512
1587 #define PictPixmapOp 0x9A
1588 #define PictPICTOp 0x98
1589 #define PictVersion 0x11
1610 destination_rectangle,
1615 register const Quantum
1641 Open output image file.
1643 assert(image_info != (const ImageInfo *) NULL);
1644 assert(image_info->signature == MagickSignature);
1645 assert(image != (Image *) NULL);
1646 assert(image->signature == MagickSignature);
1647 if (image->debug != MagickFalse)
1648 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1649 if ((image->columns > 65535L) || (image->rows > 65535L))
1650 ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
1651 assert(exception != (ExceptionInfo *) NULL);
1652 assert(exception->signature == MagickSignature);
1653 status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
1654 if (status == MagickFalse)
1656 (void) TransformImageColorspace(image,sRGBColorspace,exception);
1658 Initialize image info.
1660 size_rectangle.top=0;
1661 size_rectangle.left=0;
1662 size_rectangle.bottom=(short) image->rows;
1663 size_rectangle.right=(short) image->columns;
1664 frame_rectangle=size_rectangle;
1665 crop_rectangle=size_rectangle;
1666 source_rectangle=size_rectangle;
1667 destination_rectangle=size_rectangle;
1669 row_bytes=(unsigned short) (image->columns | 0x8000);
1672 bounds.bottom=(short) image->rows;
1673 bounds.right=(short) image->columns;
1677 pixmap.pixel_type=0;
1678 pixmap.bits_per_pixel=8;
1679 pixmap.component_count=1;
1680 pixmap.component_size=8;
1681 pixmap.plane_bytes=0;
1685 x_resolution=image->resolution.x != 0.0 ? image->resolution.x :
1687 y_resolution=image->resolution.y != 0.0 ? image->resolution.y :
1689 storage_class=image->storage_class;
1690 if (image_info->compression == JPEGCompression)
1691 storage_class=DirectClass;
1692 if (storage_class == DirectClass)
1694 pixmap.component_count=image->alpha_trait != UndefinedPixelTrait ? 4 : 3;
1695 pixmap.pixel_type=16;
1696 pixmap.bits_per_pixel=32;
1697 pixmap.pack_type=0x04;
1699 row_bytes=(unsigned short) ((4*image->columns) | 0x8000);
1704 bytes_per_line=image->columns;
1705 if (storage_class == DirectClass)
1706 bytes_per_line*=image->alpha_trait != UndefinedPixelTrait ? 4 : 3;
1707 buffer=(unsigned char *) AcquireQuantumMemory(PictInfoSize,sizeof(*buffer));
1708 packed_scanline=(unsigned char *) AcquireQuantumMemory((size_t)
1709 (row_bytes+MaxCount),sizeof(*packed_scanline));
1710 scanline=(unsigned char *) AcquireQuantumMemory(row_bytes,sizeof(*scanline));
1711 if ((buffer == (unsigned char *) NULL) ||
1712 (packed_scanline == (unsigned char *) NULL) ||
1713 (scanline == (unsigned char *) NULL))
1714 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1715 (void) ResetMagickMemory(scanline,0,row_bytes);
1716 (void) ResetMagickMemory(packed_scanline,0,(size_t) (row_bytes+MaxCount));
1718 Write header, header size, size bounding box, version, and reserved.
1720 (void) ResetMagickMemory(buffer,0,PictInfoSize);
1721 (void) WriteBlob(image,PictInfoSize,buffer);
1722 (void) WriteBlobMSBShort(image,0);
1723 (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.top);
1724 (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.left);
1725 (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.bottom);
1726 (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.right);
1727 (void) WriteBlobMSBShort(image,PictVersion);
1728 (void) WriteBlobMSBShort(image,0x02ff); /* version #2 */
1729 (void) WriteBlobMSBShort(image,PictInfoOp);
1730 (void) WriteBlobMSBLong(image,0xFFFE0000UL);
1732 Write full size of the file, resolution, frame bounding box, and reserved.
1734 (void) WriteBlobMSBShort(image,(unsigned short) x_resolution);
1735 (void) WriteBlobMSBShort(image,0x0000);
1736 (void) WriteBlobMSBShort(image,(unsigned short) y_resolution);
1737 (void) WriteBlobMSBShort(image,0x0000);
1738 (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.top);
1739 (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.left);
1740 (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.bottom);
1741 (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.right);
1742 (void) WriteBlobMSBLong(image,0x00000000L);
1743 profile=GetImageProfile(image,"iptc");
1744 if (profile != (StringInfo *) NULL)
1746 (void) WriteBlobMSBShort(image,0xa1);
1747 (void) WriteBlobMSBShort(image,0x1f2);
1748 (void) WriteBlobMSBShort(image,(unsigned short)
1749 (GetStringInfoLength(profile)+4));
1750 (void) WriteBlobString(image,"8BIM");
1751 (void) WriteBlob(image,GetStringInfoLength(profile),
1752 GetStringInfoDatum(profile));
1754 profile=GetImageProfile(image,"icc");
1755 if (profile != (StringInfo *) NULL)
1757 (void) WriteBlobMSBShort(image,0xa1);
1758 (void) WriteBlobMSBShort(image,0xe0);
1759 (void) WriteBlobMSBShort(image,(unsigned short)
1760 (GetStringInfoLength(profile)+4));
1761 (void) WriteBlobMSBLong(image,0x00000000UL);
1762 (void) WriteBlob(image,GetStringInfoLength(profile),
1763 GetStringInfoDatum(profile));
1764 (void) WriteBlobMSBShort(image,0xa1);
1765 (void) WriteBlobMSBShort(image,0xe0);
1766 (void) WriteBlobMSBShort(image,4);
1767 (void) WriteBlobMSBLong(image,0x00000002UL);
1770 Write crop region opcode and crop bounding box.
1772 (void) WriteBlobMSBShort(image,PictCropRegionOp);
1773 (void) WriteBlobMSBShort(image,0xa);
1774 (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.top);
1775 (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.left);
1776 (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.bottom);
1777 (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.right);
1778 if (image_info->compression == JPEGCompression)
1792 jpeg_image=CloneImage(image,0,0,MagickTrue,exception);
1793 if (jpeg_image == (Image *) NULL)
1795 (void) CloseBlob(image);
1796 return(MagickFalse);
1798 jpeg_info=CloneImageInfo(image_info);
1799 (void) CopyMagickString(jpeg_info->magick,"JPEG",MaxTextExtent);
1801 blob=(unsigned char *) ImageToBlob(jpeg_info,jpeg_image,&length,
1803 jpeg_info=DestroyImageInfo(jpeg_info);
1804 if (blob == (unsigned char *) NULL)
1805 return(MagickFalse);
1806 jpeg_image=DestroyImage(jpeg_image);
1807 (void) WriteBlobMSBShort(image,PictJPEGOp);
1808 (void) WriteBlobMSBLong(image,(unsigned int) length+154);
1809 (void) WriteBlobMSBShort(image,0x0000);
1810 (void) WriteBlobMSBLong(image,0x00010000UL);
1811 (void) WriteBlobMSBLong(image,0x00000000UL);
1812 (void) WriteBlobMSBLong(image,0x00000000UL);
1813 (void) WriteBlobMSBLong(image,0x00000000UL);
1814 (void) WriteBlobMSBLong(image,0x00010000UL);
1815 (void) WriteBlobMSBLong(image,0x00000000UL);
1816 (void) WriteBlobMSBLong(image,0x00000000UL);
1817 (void) WriteBlobMSBLong(image,0x00000000UL);
1818 (void) WriteBlobMSBLong(image,0x40000000UL);
1819 (void) WriteBlobMSBLong(image,0x00000000UL);
1820 (void) WriteBlobMSBLong(image,0x00000000UL);
1821 (void) WriteBlobMSBLong(image,0x00000000UL);
1822 (void) WriteBlobMSBLong(image,0x00400000UL);
1823 (void) WriteBlobMSBShort(image,0x0000);
1824 (void) WriteBlobMSBShort(image,(unsigned short) image->rows);
1825 (void) WriteBlobMSBShort(image,(unsigned short) image->columns);
1826 (void) WriteBlobMSBShort(image,0x0000);
1827 (void) WriteBlobMSBShort(image,768);
1828 (void) WriteBlobMSBShort(image,0x0000);
1829 (void) WriteBlobMSBLong(image,0x00000000UL);
1830 (void) WriteBlobMSBLong(image,0x00566A70UL);
1831 (void) WriteBlobMSBLong(image,0x65670000UL);
1832 (void) WriteBlobMSBLong(image,0x00000000UL);
1833 (void) WriteBlobMSBLong(image,0x00000001UL);
1834 (void) WriteBlobMSBLong(image,0x00016170UL);
1835 (void) WriteBlobMSBLong(image,0x706C0000UL);
1836 (void) WriteBlobMSBLong(image,0x00000000UL);
1837 (void) WriteBlobMSBShort(image,768);
1838 (void) WriteBlobMSBShort(image,(unsigned short) image->columns);
1839 (void) WriteBlobMSBShort(image,(unsigned short) image->rows);
1840 (void) WriteBlobMSBShort(image,(unsigned short) x_resolution);
1841 (void) WriteBlobMSBShort(image,0x0000);
1842 (void) WriteBlobMSBShort(image,(unsigned short) y_resolution);
1843 (void) WriteBlobMSBLong(image,0x00000000UL);
1844 (void) WriteBlobMSBLong(image,0x87AC0001UL);
1845 (void) WriteBlobMSBLong(image,0x0B466F74UL);
1846 (void) WriteBlobMSBLong(image,0x6F202D20UL);
1847 (void) WriteBlobMSBLong(image,0x4A504547UL);
1848 (void) WriteBlobMSBLong(image,0x00000000UL);
1849 (void) WriteBlobMSBLong(image,0x00000000UL);
1850 (void) WriteBlobMSBLong(image,0x00000000UL);
1851 (void) WriteBlobMSBLong(image,0x00000000UL);
1852 (void) WriteBlobMSBLong(image,0x00000000UL);
1853 (void) WriteBlobMSBLong(image,0x0018FFFFUL);
1854 (void) WriteBlob(image,length,blob);
1855 if ((length & 0x01) != 0)
1856 (void) WriteBlobByte(image,'\0');
1857 blob=(unsigned char *) RelinquishMagickMemory(blob);
1860 Write picture opcode, row bytes, and picture bounding box, and version.
1862 if (storage_class == PseudoClass)
1863 (void) WriteBlobMSBShort(image,PictPICTOp);
1866 (void) WriteBlobMSBShort(image,PictPixmapOp);
1867 (void) WriteBlobMSBLong(image,(size_t) base_address);
1869 (void) WriteBlobMSBShort(image,(unsigned short) (row_bytes | 0x8000));
1870 (void) WriteBlobMSBShort(image,(unsigned short) bounds.top);
1871 (void) WriteBlobMSBShort(image,(unsigned short) bounds.left);
1872 (void) WriteBlobMSBShort(image,(unsigned short) bounds.bottom);
1873 (void) WriteBlobMSBShort(image,(unsigned short) bounds.right);
1875 Write pack type, pack size, resolution, pixel type, and pixel size.
1877 (void) WriteBlobMSBShort(image,(unsigned short) pixmap.version);
1878 (void) WriteBlobMSBShort(image,(unsigned short) pixmap.pack_type);
1879 (void) WriteBlobMSBLong(image,(unsigned int) pixmap.pack_size);
1880 (void) WriteBlobMSBShort(image,(unsigned short) (x_resolution+0.5));
1881 (void) WriteBlobMSBShort(image,0x0000);
1882 (void) WriteBlobMSBShort(image,(unsigned short) (y_resolution+0.5));
1883 (void) WriteBlobMSBShort(image,0x0000);
1884 (void) WriteBlobMSBShort(image,(unsigned short) pixmap.pixel_type);
1885 (void) WriteBlobMSBShort(image,(unsigned short) pixmap.bits_per_pixel);
1887 Write component count, size, plane bytes, table size, and reserved.
1889 (void) WriteBlobMSBShort(image,(unsigned short) pixmap.component_count);
1890 (void) WriteBlobMSBShort(image,(unsigned short) pixmap.component_size);
1891 (void) WriteBlobMSBLong(image,(unsigned int) pixmap.plane_bytes);
1892 (void) WriteBlobMSBLong(image,(unsigned int) pixmap.table);
1893 (void) WriteBlobMSBLong(image,(unsigned int) pixmap.reserved);
1894 if (storage_class == PseudoClass)
1897 Write image colormap.
1899 (void) WriteBlobMSBLong(image,0x00000000L); /* color seed */
1900 (void) WriteBlobMSBShort(image,0L); /* color flags */
1901 (void) WriteBlobMSBShort(image,(unsigned short) (image->colors-1));
1902 for (i=0; i < (ssize_t) image->colors; i++)
1904 (void) WriteBlobMSBShort(image,(unsigned short) i);
1905 (void) WriteBlobMSBShort(image,ScaleQuantumToShort(
1906 image->colormap[i].red));
1907 (void) WriteBlobMSBShort(image,ScaleQuantumToShort(
1908 image->colormap[i].green));
1909 (void) WriteBlobMSBShort(image,ScaleQuantumToShort(
1910 image->colormap[i].blue));
1914 Write source and destination rectangle.
1916 (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.top);
1917 (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.left);
1918 (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.bottom);
1919 (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.right);
1920 (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.top);
1921 (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.left);
1922 (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.bottom);
1923 (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.right);
1924 (void) WriteBlobMSBShort(image,(unsigned short) transfer_mode);
1929 if (storage_class == PseudoClass)
1930 for (y=0; y < (ssize_t) image->rows; y++)
1932 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1933 if (p == (const Quantum *) NULL)
1935 for (x=0; x < (ssize_t) image->columns; x++)
1937 scanline[x]=(unsigned char) GetPixelIndex(image,p);
1938 p+=GetPixelChannels(image);
1940 count+=EncodeImage(image,scanline,(size_t) (row_bytes & 0x7FFF),
1942 if (image->previous == (Image *) NULL)
1944 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
1946 if (status == MagickFalse)
1951 if (image_info->compression == JPEGCompression)
1953 (void) ResetMagickMemory(scanline,0,row_bytes);
1954 for (y=0; y < (ssize_t) image->rows; y++)
1955 count+=EncodeImage(image,scanline,(size_t) (row_bytes & 0x7FFF),
1960 register unsigned char
1967 green=scanline+image->columns;
1968 blue=scanline+2*image->columns;
1969 opacity=scanline+3*image->columns;
1970 for (y=0; y < (ssize_t) image->rows; y++)
1972 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
1973 if (p == (const Quantum *) NULL)
1976 green=scanline+image->columns;
1977 blue=scanline+2*image->columns;
1978 if (image->alpha_trait != UndefinedPixelTrait)
1981 red=scanline+image->columns;
1982 green=scanline+2*image->columns;
1983 blue=scanline+3*image->columns;
1985 for (x=0; x < (ssize_t) image->columns; x++)
1987 *red++=ScaleQuantumToChar(GetPixelRed(image,p));
1988 *green++=ScaleQuantumToChar(GetPixelGreen(image,p));
1989 *blue++=ScaleQuantumToChar(GetPixelBlue(image,p));
1990 if (image->alpha_trait != UndefinedPixelTrait)
1991 *opacity++=ScaleQuantumToChar((Quantum) (GetPixelAlpha(image,p)));
1992 p+=GetPixelChannels(image);
1994 count+=EncodeImage(image,scanline,bytes_per_line & 0x7FFF,
1996 if (image->previous == (Image *) NULL)
1998 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
2000 if (status == MagickFalse)
2005 if ((count & 0x01) != 0)
2006 (void) WriteBlobByte(image,'\0');
2007 (void) WriteBlobMSBShort(image,PictEndOfPictureOp);
2008 offset=TellBlob(image);
2009 offset=SeekBlob(image,512,SEEK_SET);
2010 (void) WriteBlobMSBShort(image,(unsigned short) offset);
2011 scanline=(unsigned char *) RelinquishMagickMemory(scanline);
2012 packed_scanline=(unsigned char *) RelinquishMagickMemory(packed_scanline);
2013 buffer=(unsigned char *) RelinquishMagickMemory(buffer);
2014 (void) CloseBlob(image);