2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
13 % Read/Write Sun Rasterfile Image Format %
20 % Copyright 1999-2012 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/attribute.h"
44 #include "MagickCore/blob.h"
45 #include "MagickCore/blob-private.h"
46 #include "MagickCore/cache.h"
47 #include "MagickCore/color.h"
48 #include "MagickCore/color-private.h"
49 #include "MagickCore/colormap.h"
50 #include "MagickCore/colorspace.h"
51 #include "MagickCore/colorspace-private.h"
52 #include "MagickCore/exception.h"
53 #include "MagickCore/exception-private.h"
54 #include "MagickCore/image.h"
55 #include "MagickCore/image-private.h"
56 #include "MagickCore/list.h"
57 #include "MagickCore/magick.h"
58 #include "MagickCore/memory_.h"
59 #include "MagickCore/monitor.h"
60 #include "MagickCore/monitor-private.h"
61 #include "MagickCore/pixel-accessor.h"
62 #include "MagickCore/quantum-private.h"
63 #include "MagickCore/static.h"
64 #include "MagickCore/string_.h"
65 #include "MagickCore/module.h"
70 static MagickBooleanType
71 WriteSUNImage(const ImageInfo *,Image *,ExceptionInfo *);
74 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
82 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
84 % IsSUN() returns MagickTrue if the image format type, identified by the
85 % magick string, is SUN.
87 % The format of the IsSUN method is:
89 % MagickBooleanType IsSUN(const unsigned char *magick,const size_t length)
91 % A description of each parameter follows:
93 % o magick: compare image format pattern against these bytes.
95 % o length: Specifies the length of the magick string.
98 static MagickBooleanType IsSUN(const unsigned char *magick,const size_t length)
102 if (memcmp(magick,"\131\246\152\225",4) == 0)
108 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
112 % D e c o d e I m a g e %
116 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
118 % DecodeImage unpacks the packed image pixels into runlength-encoded pixel
121 % The format of the DecodeImage method is:
123 % MagickBooleanType DecodeImage(const unsigned char *compressed_pixels,
124 % const size_t length,unsigned char *pixels)
126 % A description of each parameter follows:
128 % o compressed_pixels: The address of a byte (8 bits) array of compressed
131 % o length: An integer value that is the total number of bytes of the
132 % source image (as just read by ReadBlob)
134 % o pixels: The address of a byte (8 bits) array of pixel data created by
135 % the uncompression process. The number of bytes in this array
136 % must be at least equal to the number columns times the number of rows
137 % of the source pixels.
140 static MagickBooleanType DecodeImage(const unsigned char *compressed_pixels,
141 const size_t length,unsigned char *pixels,size_t maxpixels)
143 register const unsigned char
147 register unsigned char
156 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
157 assert(compressed_pixels != (unsigned char *) NULL);
158 assert(pixels != (unsigned char *) NULL);
162 while (((size_t) (p-compressed_pixels) < length) && (q < l))
170 Runlength-encoded packet: <count><byte>
172 count=(ssize_t) (*p++);
175 while ((count >= 0) && (q < l))
186 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
190 % R e a d S U N I m a g e %
194 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
196 % ReadSUNImage() reads a SUN image file and returns it. It allocates
197 % the memory necessary for the new Image structure and returns a pointer to
200 % The format of the ReadSUNImage method is:
202 % Image *ReadSUNImage(const ImageInfo *image_info,ExceptionInfo *exception)
204 % A description of each parameter follows:
206 % o image_info: the image info.
208 % o exception: return any errors or warnings in this structure.
211 static Image *ReadSUNImage(const ImageInfo *image_info,ExceptionInfo *exception)
213 #define RMT_EQUAL_RGB 1
216 #define RT_STANDARD 1
218 #define RT_FORMAT_RGB 3
220 typedef struct _SUNInfo
252 register unsigned char
275 assert(image_info != (const ImageInfo *) NULL);
276 assert(image_info->signature == MagickSignature);
277 if (image_info->debug != MagickFalse)
278 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
279 image_info->filename);
280 assert(exception != (ExceptionInfo *) NULL);
281 assert(exception->signature == MagickSignature);
282 image=AcquireImage(image_info,exception);
283 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
284 if (status == MagickFalse)
286 image=DestroyImageList(image);
287 return((Image *) NULL);
290 Read SUN raster header.
292 (void) ResetMagickMemory(&sun_info,0,sizeof(sun_info));
293 sun_info.magic=ReadBlobMSBLong(image);
297 Verify SUN identifier.
299 if (sun_info.magic != 0x59a66a95)
300 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
301 sun_info.width=ReadBlobMSBLong(image);
302 sun_info.height=ReadBlobMSBLong(image);
303 sun_info.depth=ReadBlobMSBLong(image);
304 sun_info.length=ReadBlobMSBLong(image);
305 sun_info.type=ReadBlobMSBLong(image);
306 sun_info.maptype=ReadBlobMSBLong(image);
307 sun_info.maplength=ReadBlobMSBLong(image);
308 image->columns=sun_info.width;
309 image->rows=sun_info.height;
310 if ((sun_info.depth == 0) || (sun_info.depth > 32))
311 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
312 image->depth=sun_info.depth <= 8 ? sun_info.depth :
313 MAGICKCORE_QUANTUM_DEPTH;
314 if (sun_info.depth < 24)
319 image->storage_class=PseudoClass;
320 image->colors=sun_info.maplength;
322 if (sun_info.maptype == RMT_NONE)
323 image->colors=one << sun_info.depth;
324 if (sun_info.maptype == RMT_EQUAL_RGB)
325 image->colors=sun_info.maplength/3;
327 switch (sun_info.maptype)
331 if (sun_info.depth < 24)
334 Create linear color ramp.
336 if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
337 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
347 Read SUN raster colormap.
349 if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
350 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
351 sun_colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
352 sizeof(*sun_colormap));
353 if (sun_colormap == (unsigned char *) NULL)
354 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
355 count=ReadBlob(image,image->colors,sun_colormap);
356 for (i=0; i < (ssize_t) image->colors; i++)
357 image->colormap[i].red=ScaleCharToQuantum(sun_colormap[i]);
358 count=ReadBlob(image,image->colors,sun_colormap);
359 for (i=0; i < (ssize_t) image->colors; i++)
360 image->colormap[i].green=ScaleCharToQuantum(sun_colormap[i]);
361 count=ReadBlob(image,image->colors,sun_colormap);
362 for (i=0; i < (ssize_t) image->colors; i++)
363 image->colormap[i].blue=ScaleCharToQuantum(sun_colormap[i]);
364 sun_colormap=(unsigned char *) RelinquishMagickMemory(sun_colormap);
373 Read SUN raster colormap.
375 sun_colormap=(unsigned char *) AcquireQuantumMemory(sun_info.maplength,
376 sizeof(*sun_colormap));
377 if (sun_colormap == (unsigned char *) NULL)
378 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
379 count=ReadBlob(image,sun_info.maplength,sun_colormap);
380 sun_colormap=(unsigned char *) RelinquishMagickMemory(sun_colormap);
384 ThrowReaderException(CoderError,"ColormapTypeNotSupported");
386 image->matte=sun_info.depth == 32 ? MagickTrue : MagickFalse;
387 image->columns=sun_info.width;
388 image->rows=sun_info.height;
389 if (image_info->ping != MagickFalse)
391 (void) CloseBlob(image);
392 return(GetFirstImageInList(image));
394 if ((sun_info.length*sizeof(*sun_data))/sizeof(*sun_data) !=
395 sun_info.length || !sun_info.length)
396 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
397 number_pixels=(MagickSizeType) image->columns*image->rows;
398 if ((sun_info.depth >= 8) &&
399 ((number_pixels*((sun_info.depth+7)/8)) > sun_info.length))
400 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
401 sun_data=(unsigned char *) AcquireQuantumMemory((size_t) sun_info.length,
403 if (sun_data == (unsigned char *) NULL)
404 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
405 count=(ssize_t) ReadBlob(image,sun_info.length,sun_data);
406 if ((count == 0) && (sun_info.type != RT_ENCODED))
407 ThrowReaderException(CorruptImageError,"UnableToReadImageData");
410 if (sun_info.type == RT_ENCODED)
416 Read run-length encoded raster pixels.
418 height=sun_info.height;
419 bytes_per_line=sun_info.width*sun_info.depth;
420 if ((height == 0) || (sun_info.width == 0) || (sun_info.depth == 0) ||
421 ((bytes_per_line/sun_info.depth) != sun_info.width))
422 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
425 if ((bytes_per_line >> 1) != (sun_info.width*sun_info.depth+15))
426 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
428 sun_pixels=(unsigned char *) AcquireQuantumMemory(height,
429 bytes_per_line*sizeof(*sun_pixels));
430 if (sun_pixels == (unsigned char *) NULL)
431 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
432 (void) DecodeImage(sun_data,sun_info.length,sun_pixels,
433 bytes_per_line*height);
434 sun_data=(unsigned char *) RelinquishMagickMemory(sun_data);
437 Convert SUN raster image to pixel packets.
440 if (sun_info.depth == 1)
441 for (y=0; y < (ssize_t) image->rows; y++)
443 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
444 if (q == (Quantum *) NULL)
446 for (x=0; x < ((ssize_t) image->columns-7); x+=8)
448 for (bit=7; bit >= 0; bit--)
450 SetPixelIndex(image,((*p) & (0x01 << bit) ? 0x00 : 0x01),q);
451 q+=GetPixelChannels(image);
455 if ((image->columns % 8) != 0)
457 for (bit=7; bit >= (ssize_t) (8-(image->columns % 8)); bit--)
459 SetPixelIndex(image,(*p) & (0x01 << bit) ? 0x00 : 0x01,q);
460 q+=GetPixelChannels(image);
464 if ((((image->columns/8)+(image->columns % 8 ? 1 : 0)) % 2) != 0)
466 if (SyncAuthenticPixels(image,exception) == MagickFalse)
468 if (image->previous == (Image *) NULL)
470 status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
472 if (status == MagickFalse)
477 if (image->storage_class == PseudoClass)
479 length=image->rows*(image->columns+image->columns % 2);
480 if (((sun_info.type == RT_ENCODED) &&
481 (length > (bytes_per_line*image->rows))) ||
482 ((sun_info.type != RT_ENCODED) && (length > sun_info.length)))
483 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
484 for (y=0; y < (ssize_t) image->rows; y++)
486 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
487 if (q == (Quantum *) NULL)
489 for (x=0; x < (ssize_t) image->columns; x++)
491 SetPixelIndex(image,*p++,q);
492 q+=GetPixelChannels(image);
494 if ((image->columns % 2) != 0)
496 if (SyncAuthenticPixels(image,exception) == MagickFalse)
498 if (image->previous == (Image *) NULL)
500 status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
502 if (status == MagickFalse)
513 if (image->matte != MagickFalse)
515 length=image->rows*((bytes_per_line*image->columns)+
517 if (((sun_info.type == RT_ENCODED) &&
518 (length > (bytes_per_line*image->rows))) ||
519 ((sun_info.type != RT_ENCODED) && (length > sun_info.length)))
520 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
521 for (y=0; y < (ssize_t) image->rows; y++)
523 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
524 if (q == (Quantum *) NULL)
526 for (x=0; x < (ssize_t) image->columns; x++)
528 if (image->matte != MagickFalse)
529 SetPixelAlpha(image,ScaleCharToQuantum(*p++),q);
530 if (sun_info.type == RT_STANDARD)
532 SetPixelBlue(image,ScaleCharToQuantum(*p++),q);
533 SetPixelGreen(image,ScaleCharToQuantum(*p++),q);
534 SetPixelRed(image,ScaleCharToQuantum(*p++),q);
538 SetPixelRed(image,ScaleCharToQuantum(*p++),q);
539 SetPixelGreen(image,ScaleCharToQuantum(*p++),q);
540 SetPixelBlue(image,ScaleCharToQuantum(*p++),q);
542 if (image->colors != 0)
544 SetPixelRed(image,image->colormap[(ssize_t)
545 GetPixelRed(image,q)].red,q);
546 SetPixelGreen(image,image->colormap[(ssize_t)
547 GetPixelGreen(image,q)].green,q);
548 SetPixelBlue(image,image->colormap[(ssize_t)
549 GetPixelBlue(image,q)].blue,q);
551 q+=GetPixelChannels(image);
553 if (((bytes_per_pixel*image->columns) % 2) != 0)
555 if (SyncAuthenticPixels(image,exception) == MagickFalse)
557 if (image->previous == (Image *) NULL)
559 status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
561 if (status == MagickFalse)
566 if (image->storage_class == PseudoClass)
567 (void) SyncImage(image,exception);
568 sun_pixels=(unsigned char *) RelinquishMagickMemory(sun_pixels);
569 if (EOFBlob(image) != MagickFalse)
571 ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
576 Proceed to next image.
578 if (image_info->number_scenes != 0)
579 if (image->scene >= (image_info->scene+image_info->number_scenes-1))
581 sun_info.magic=ReadBlobMSBLong(image);
582 if (sun_info.magic == 0x59a66a95)
585 Allocate next image structure.
587 AcquireNextImage(image_info,image,exception);
588 if (GetNextImageInList(image) == (Image *) NULL)
590 image=DestroyImageList(image);
591 return((Image *) NULL);
593 image=SyncNextImageInList(image);
594 status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
596 if (status == MagickFalse)
599 } while (sun_info.magic == 0x59a66a95);
600 (void) CloseBlob(image);
601 return(GetFirstImageInList(image));
605 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
609 % R e g i s t e r S U N I m a g e %
613 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
615 % RegisterSUNImage() adds attributes for the SUN image format to
616 % the list of supported formats. The attributes include the image format
617 % tag, a method to read and/or write the format, whether the format
618 % supports the saving of more than one frame to the same file or blob,
619 % whether the format supports native in-memory I/O, and a brief
620 % description of the format.
622 % The format of the RegisterSUNImage method is:
624 % size_t RegisterSUNImage(void)
627 ModuleExport size_t RegisterSUNImage(void)
632 entry=SetMagickInfo("RAS");
633 entry->decoder=(DecodeImageHandler *) ReadSUNImage;
634 entry->encoder=(EncodeImageHandler *) WriteSUNImage;
635 entry->magick=(IsImageFormatHandler *) IsSUN;
636 entry->description=ConstantString("SUN Rasterfile");
637 entry->module=ConstantString("SUN");
638 (void) RegisterMagickInfo(entry);
639 entry=SetMagickInfo("SUN");
640 entry->decoder=(DecodeImageHandler *) ReadSUNImage;
641 entry->encoder=(EncodeImageHandler *) WriteSUNImage;
642 entry->description=ConstantString("SUN Rasterfile");
643 entry->module=ConstantString("SUN");
644 (void) RegisterMagickInfo(entry);
645 return(MagickImageCoderSignature);
649 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
653 % U n r e g i s t e r S U N I m a g e %
657 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
659 % UnregisterSUNImage() removes format registrations made by the
660 % SUN module from the list of supported formats.
662 % The format of the UnregisterSUNImage method is:
664 % UnregisterSUNImage(void)
667 ModuleExport void UnregisterSUNImage(void)
669 (void) UnregisterMagickInfo("RAS");
670 (void) UnregisterMagickInfo("SUN");
674 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
678 % W r i t e S U N I m a g e %
682 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
684 % WriteSUNImage() writes an image in the SUN rasterfile format.
686 % The format of the WriteSUNImage method is:
688 % MagickBooleanType WriteSUNImage(const ImageInfo *image_info,
689 % Image *image,ExceptionInfo *exception)
691 % A description of each parameter follows.
693 % o image_info: the image info.
695 % o image: The image.
697 % o exception: return any errors or warnings in this structure.
700 static MagickBooleanType WriteSUNImage(const ImageInfo *image_info,Image *image,
701 ExceptionInfo *exception)
703 #define RMT_EQUAL_RGB 1
706 #define RT_STANDARD 1
707 #define RT_FORMAT_RGB 3
709 typedef struct _SUNInfo
731 register const Quantum
745 Open output image file.
747 assert(image_info != (const ImageInfo *) NULL);
748 assert(image_info->signature == MagickSignature);
749 assert(image != (Image *) NULL);
750 assert(image->signature == MagickSignature);
751 if (image->debug != MagickFalse)
752 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
753 assert(exception != (ExceptionInfo *) NULL);
754 assert(exception->signature == MagickSignature);
755 status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
756 if (status == MagickFalse)
762 Initialize SUN raster file header.
764 if (IsRGBColorspace(image->colorspace) == MagickFalse)
765 (void) TransformImageColorspace(image,RGBColorspace,exception);
766 sun_info.magic=0x59a66a95;
767 if ((image->columns != (unsigned int) image->columns) ||
768 (image->rows != (unsigned int) image->rows))
769 ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
770 sun_info.width=(unsigned int) image->columns;
771 sun_info.height=(unsigned int) image->rows;
772 sun_info.type=(unsigned int)
773 (image->storage_class == DirectClass ? RT_FORMAT_RGB : RT_STANDARD);
774 sun_info.maptype=RMT_NONE;
775 sun_info.maplength=0;
776 number_pixels=(MagickSizeType) image->columns*image->rows;
777 if ((4*number_pixels) != (size_t) (4*number_pixels))
778 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
779 if (image->storage_class == DirectClass)
782 Full color SUN raster.
784 sun_info.depth=(unsigned int) image->matte ? 32U : 24U;
785 sun_info.length=(unsigned int) ((image->matte ? 4 : 3)*number_pixels);
786 sun_info.length+=sun_info.length & 0x01 ? (unsigned int) image->rows :
790 if (IsImageMonochrome(image,exception) != MagickFalse)
793 Monochrome SUN raster.
796 sun_info.length=(unsigned int) (((image->columns+7) >> 3)*
798 sun_info.length+=(unsigned int) (((image->columns/8)+(image->columns %
799 8 ? 1 : 0)) % 2 ? image->rows : 0);
804 Colormapped SUN raster.
807 sun_info.length=(unsigned int) number_pixels;
808 sun_info.length+=(unsigned int) (image->columns & 0x01 ? image->rows :
810 sun_info.maptype=RMT_EQUAL_RGB;
811 sun_info.maplength=(unsigned int) (3*image->colors);
816 (void) WriteBlobMSBLong(image,sun_info.magic);
817 (void) WriteBlobMSBLong(image,sun_info.width);
818 (void) WriteBlobMSBLong(image,sun_info.height);
819 (void) WriteBlobMSBLong(image,sun_info.depth);
820 (void) WriteBlobMSBLong(image,sun_info.length);
821 (void) WriteBlobMSBLong(image,sun_info.type);
822 (void) WriteBlobMSBLong(image,sun_info.maptype);
823 (void) WriteBlobMSBLong(image,sun_info.maplength);
825 Convert MIFF to SUN raster pixels.
829 if (image->storage_class == DirectClass)
831 register unsigned char
842 Allocate memory for pixels.
845 if (image->matte != MagickFalse)
847 length=image->columns;
848 pixels=(unsigned char *) AcquireQuantumMemory(length,4*sizeof(*pixels));
849 if (pixels == (unsigned char *) NULL)
850 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
852 Convert DirectClass packet to SUN RGB pixel.
854 for (y=0; y < (ssize_t) image->rows; y++)
856 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
857 if (p == (const Quantum *) NULL)
860 for (x=0; x < (ssize_t) image->columns; x++)
862 if (image->matte != MagickFalse)
863 *q++=ScaleQuantumToChar(GetPixelAlpha(image,p));
864 *q++=ScaleQuantumToChar(GetPixelRed(image,p));
865 *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
866 *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
867 p+=GetPixelChannels(image);
869 if (((bytes_per_pixel*image->columns) & 0x01) != 0)
870 *q++='\0'; /* pad scanline */
871 (void) WriteBlob(image,(size_t) (q-pixels),pixels);
872 if (image->previous == (Image *) NULL)
874 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
876 if (status == MagickFalse)
880 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
883 if (IsImageMonochrome(image,exception) != MagickFalse)
885 register unsigned char
890 Convert PseudoClass image to a SUN monochrome image.
892 (void) SetImageType(image,BilevelType,exception);
893 for (y=0; y < (ssize_t) image->rows; y++)
895 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
896 if (p == (const Quantum *) NULL)
900 for (x=0; x < (ssize_t) image->columns; x++)
903 if (GetPixelIntensity(image,p) < (MagickRealType) (QuantumRange/2.0))
908 (void) WriteBlobByte(image,byte);
912 p+=GetPixelChannels(image);
915 (void) WriteBlobByte(image,(unsigned char) (byte << (8-bit)));
916 if ((((image->columns/8)+
917 (image->columns % 8 ? 1 : 0)) % 2) != 0)
918 (void) WriteBlobByte(image,0); /* pad scanline */
919 if (image->previous == (Image *) NULL)
921 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
923 if (status == MagickFalse)
931 Dump colormap to file.
933 for (i=0; i < (ssize_t) image->colors; i++)
934 (void) WriteBlobByte(image,ScaleQuantumToChar(
935 image->colormap[i].red));
936 for (i=0; i < (ssize_t) image->colors; i++)
937 (void) WriteBlobByte(image,ScaleQuantumToChar(
938 image->colormap[i].green));
939 for (i=0; i < (ssize_t) image->colors; i++)
940 (void) WriteBlobByte(image,ScaleQuantumToChar(
941 image->colormap[i].blue));
943 Convert PseudoClass packet to SUN colormapped pixel.
945 for (y=0; y < (ssize_t) image->rows; y++)
947 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
948 if (p == (const Quantum *) NULL)
950 for (x=0; x < (ssize_t) image->columns; x++)
952 (void) WriteBlobByte(image,(unsigned char)
953 GetPixelIndex(image,p));
954 p+=GetPixelChannels(image);
956 if (image->columns & 0x01)
957 (void) WriteBlobByte(image,0); /* pad scanline */
958 if (image->previous == (Image *) NULL)
960 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
962 if (status == MagickFalse)
967 if (GetNextImageInList(image) == (Image *) NULL)
969 image=SyncNextImageInList(image);
970 status=SetImageProgress(image,SaveImagesTag,scene++,
971 GetImageListLength(image));
972 if (status == MagickFalse)
974 } while (image_info->adjoin != MagickFalse);
975 (void) CloseBlob(image);