2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
13 % Read/Write Sun Rasterfile Image Format %
20 % Copyright 1999-2013 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->alpha_trait=sun_info.depth == 32 ? BlendPixelTrait :
388 image->columns=sun_info.width;
389 image->rows=sun_info.height;
390 if (image_info->ping != MagickFalse)
392 (void) CloseBlob(image);
393 return(GetFirstImageInList(image));
395 if ((sun_info.length*sizeof(*sun_data))/sizeof(*sun_data) !=
396 sun_info.length || !sun_info.length)
397 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
398 number_pixels=(MagickSizeType) image->columns*image->rows;
399 if ((sun_info.type != RT_ENCODED) && (sun_info.depth >= 8) &&
400 ((number_pixels*((sun_info.depth+7)/8)) > sun_info.length))
401 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
402 sun_data=(unsigned char *) AcquireQuantumMemory((size_t) sun_info.length,
404 if (sun_data == (unsigned char *) NULL)
405 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
406 count=(ssize_t) ReadBlob(image,sun_info.length,sun_data);
407 if ((count == 0) && (sun_info.type != RT_ENCODED))
408 ThrowReaderException(CorruptImageError,"UnableToReadImageData");
411 if (sun_info.type == RT_ENCODED)
417 Read run-length encoded raster pixels.
419 height=sun_info.height;
420 bytes_per_line=sun_info.width*sun_info.depth;
421 if ((height == 0) || (sun_info.width == 0) || (sun_info.depth == 0) ||
422 ((bytes_per_line/sun_info.depth) != sun_info.width))
423 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
426 if ((bytes_per_line >> 1) != (sun_info.width*sun_info.depth+15))
427 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
429 sun_pixels=(unsigned char *) AcquireQuantumMemory(height,
430 bytes_per_line*sizeof(*sun_pixels));
431 if (sun_pixels == (unsigned char *) NULL)
432 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
433 (void) DecodeImage(sun_data,sun_info.length,sun_pixels,
434 bytes_per_line*height);
435 sun_data=(unsigned char *) RelinquishMagickMemory(sun_data);
438 Convert SUN raster image to pixel packets.
441 if (sun_info.depth == 1)
442 for (y=0; y < (ssize_t) image->rows; y++)
444 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
445 if (q == (Quantum *) NULL)
447 for (x=0; x < ((ssize_t) image->columns-7); x+=8)
449 for (bit=7; bit >= 0; bit--)
451 SetPixelIndex(image,((*p) & (0x01 << bit) ? 0x00 : 0x01),q);
452 q+=GetPixelChannels(image);
456 if ((image->columns % 8) != 0)
458 for (bit=7; bit >= (ssize_t) (8-(image->columns % 8)); bit--)
460 SetPixelIndex(image,(*p) & (0x01 << bit) ? 0x00 : 0x01,q);
461 q+=GetPixelChannels(image);
465 if ((((image->columns/8)+(image->columns % 8 ? 1 : 0)) % 2) != 0)
467 if (SyncAuthenticPixels(image,exception) == MagickFalse)
469 if (image->previous == (Image *) NULL)
471 status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
473 if (status == MagickFalse)
478 if (image->storage_class == PseudoClass)
480 length=image->rows*(image->columns+image->columns % 2);
481 if (((sun_info.type == RT_ENCODED) &&
482 (length > (bytes_per_line*image->rows))) ||
483 ((sun_info.type != RT_ENCODED) && (length > sun_info.length)))
484 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
485 for (y=0; y < (ssize_t) image->rows; y++)
487 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
488 if (q == (Quantum *) NULL)
490 for (x=0; x < (ssize_t) image->columns; x++)
492 SetPixelIndex(image,*p++,q);
493 q+=GetPixelChannels(image);
495 if ((image->columns % 2) != 0)
497 if (SyncAuthenticPixels(image,exception) == MagickFalse)
499 if (image->previous == (Image *) NULL)
501 status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
503 if (status == MagickFalse)
514 if (image->alpha_trait == BlendPixelTrait)
516 length=image->rows*((bytes_per_line*image->columns)+
518 if (((sun_info.type == RT_ENCODED) &&
519 (length > (bytes_per_line*image->rows))) ||
520 ((sun_info.type != RT_ENCODED) && (length > sun_info.length)))
521 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
522 for (y=0; y < (ssize_t) image->rows; y++)
524 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
525 if (q == (Quantum *) NULL)
527 for (x=0; x < (ssize_t) image->columns; x++)
529 if (image->alpha_trait == BlendPixelTrait)
530 SetPixelAlpha(image,ScaleCharToQuantum(*p++),q);
531 if (sun_info.type == RT_STANDARD)
533 SetPixelBlue(image,ScaleCharToQuantum(*p++),q);
534 SetPixelGreen(image,ScaleCharToQuantum(*p++),q);
535 SetPixelRed(image,ScaleCharToQuantum(*p++),q);
539 SetPixelRed(image,ScaleCharToQuantum(*p++),q);
540 SetPixelGreen(image,ScaleCharToQuantum(*p++),q);
541 SetPixelBlue(image,ScaleCharToQuantum(*p++),q);
543 if (image->colors != 0)
545 SetPixelRed(image,image->colormap[(ssize_t)
546 GetPixelRed(image,q)].red,q);
547 SetPixelGreen(image,image->colormap[(ssize_t)
548 GetPixelGreen(image,q)].green,q);
549 SetPixelBlue(image,image->colormap[(ssize_t)
550 GetPixelBlue(image,q)].blue,q);
552 q+=GetPixelChannels(image);
554 if (((bytes_per_pixel*image->columns) % 2) != 0)
556 if (SyncAuthenticPixels(image,exception) == MagickFalse)
558 if (image->previous == (Image *) NULL)
560 status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
562 if (status == MagickFalse)
567 if (image->storage_class == PseudoClass)
568 (void) SyncImage(image,exception);
569 sun_pixels=(unsigned char *) RelinquishMagickMemory(sun_pixels);
570 if (EOFBlob(image) != MagickFalse)
572 ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
577 Proceed to next image.
579 if (image_info->number_scenes != 0)
580 if (image->scene >= (image_info->scene+image_info->number_scenes-1))
582 sun_info.magic=ReadBlobMSBLong(image);
583 if (sun_info.magic == 0x59a66a95)
586 Allocate next image structure.
588 AcquireNextImage(image_info,image,exception);
589 if (GetNextImageInList(image) == (Image *) NULL)
591 image=DestroyImageList(image);
592 return((Image *) NULL);
594 image=SyncNextImageInList(image);
595 status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
597 if (status == MagickFalse)
600 } while (sun_info.magic == 0x59a66a95);
601 (void) CloseBlob(image);
602 return(GetFirstImageInList(image));
606 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
610 % R e g i s t e r S U N I m a g e %
614 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
616 % RegisterSUNImage() adds attributes for the SUN image format to
617 % the list of supported formats. The attributes include the image format
618 % tag, a method to read and/or write the format, whether the format
619 % supports the saving of more than one frame to the same file or blob,
620 % whether the format supports native in-memory I/O, and a brief
621 % description of the format.
623 % The format of the RegisterSUNImage method is:
625 % size_t RegisterSUNImage(void)
628 ModuleExport size_t RegisterSUNImage(void)
633 entry=SetMagickInfo("RAS");
634 entry->decoder=(DecodeImageHandler *) ReadSUNImage;
635 entry->encoder=(EncodeImageHandler *) WriteSUNImage;
636 entry->magick=(IsImageFormatHandler *) IsSUN;
637 entry->description=ConstantString("SUN Rasterfile");
638 entry->module=ConstantString("SUN");
639 (void) RegisterMagickInfo(entry);
640 entry=SetMagickInfo("SUN");
641 entry->decoder=(DecodeImageHandler *) ReadSUNImage;
642 entry->encoder=(EncodeImageHandler *) WriteSUNImage;
643 entry->description=ConstantString("SUN Rasterfile");
644 entry->module=ConstantString("SUN");
645 (void) RegisterMagickInfo(entry);
646 return(MagickImageCoderSignature);
650 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
654 % U n r e g i s t e r S U N I m a g e %
658 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
660 % UnregisterSUNImage() removes format registrations made by the
661 % SUN module from the list of supported formats.
663 % The format of the UnregisterSUNImage method is:
665 % UnregisterSUNImage(void)
668 ModuleExport void UnregisterSUNImage(void)
670 (void) UnregisterMagickInfo("RAS");
671 (void) UnregisterMagickInfo("SUN");
675 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
679 % W r i t e S U N I m a g e %
683 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
685 % WriteSUNImage() writes an image in the SUN rasterfile format.
687 % The format of the WriteSUNImage method is:
689 % MagickBooleanType WriteSUNImage(const ImageInfo *image_info,
690 % Image *image,ExceptionInfo *exception)
692 % A description of each parameter follows.
694 % o image_info: the image info.
696 % o image: The image.
698 % o exception: return any errors or warnings in this structure.
701 static MagickBooleanType WriteSUNImage(const ImageInfo *image_info,Image *image,
702 ExceptionInfo *exception)
704 #define RMT_EQUAL_RGB 1
707 #define RT_STANDARD 1
708 #define RT_FORMAT_RGB 3
710 typedef struct _SUNInfo
732 register const Quantum
746 Open output image file.
748 assert(image_info != (const ImageInfo *) NULL);
749 assert(image_info->signature == MagickSignature);
750 assert(image != (Image *) NULL);
751 assert(image->signature == MagickSignature);
752 if (image->debug != MagickFalse)
753 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
754 assert(exception != (ExceptionInfo *) NULL);
755 assert(exception->signature == MagickSignature);
756 status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
757 if (status == MagickFalse)
763 Initialize SUN raster file header.
765 if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
766 (void) TransformImageColorspace(image,sRGBColorspace,exception);
767 sun_info.magic=0x59a66a95;
768 if ((image->columns != (unsigned int) image->columns) ||
769 (image->rows != (unsigned int) image->rows))
770 ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
771 sun_info.width=(unsigned int) image->columns;
772 sun_info.height=(unsigned int) image->rows;
773 sun_info.type=(unsigned int)
774 (image->storage_class == DirectClass ? RT_FORMAT_RGB : RT_STANDARD);
775 sun_info.maptype=RMT_NONE;
776 sun_info.maplength=0;
777 number_pixels=(MagickSizeType) image->columns*image->rows;
778 if ((4*number_pixels) != (size_t) (4*number_pixels))
779 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
780 if (image->storage_class == DirectClass)
783 Full color SUN raster.
785 sun_info.depth=(unsigned int) image->alpha_trait ? 32U : 24U;
786 sun_info.length=(unsigned int) ((image->alpha_trait ? 4 : 3)*number_pixels);
787 sun_info.length+=sun_info.length & 0x01 ? (unsigned int) image->rows :
791 if (IsImageMonochrome(image,exception) != MagickFalse)
794 Monochrome SUN raster.
797 sun_info.length=(unsigned int) (((image->columns+7) >> 3)*
799 sun_info.length+=(unsigned int) (((image->columns/8)+(image->columns %
800 8 ? 1 : 0)) % 2 ? image->rows : 0);
805 Colormapped SUN raster.
808 sun_info.length=(unsigned int) number_pixels;
809 sun_info.length+=(unsigned int) (image->columns & 0x01 ? image->rows :
811 sun_info.maptype=RMT_EQUAL_RGB;
812 sun_info.maplength=(unsigned int) (3*image->colors);
817 (void) WriteBlobMSBLong(image,sun_info.magic);
818 (void) WriteBlobMSBLong(image,sun_info.width);
819 (void) WriteBlobMSBLong(image,sun_info.height);
820 (void) WriteBlobMSBLong(image,sun_info.depth);
821 (void) WriteBlobMSBLong(image,sun_info.length);
822 (void) WriteBlobMSBLong(image,sun_info.type);
823 (void) WriteBlobMSBLong(image,sun_info.maptype);
824 (void) WriteBlobMSBLong(image,sun_info.maplength);
826 Convert MIFF to SUN raster pixels.
830 if (image->storage_class == DirectClass)
832 register unsigned char
843 Allocate memory for pixels.
846 if (image->alpha_trait == BlendPixelTrait)
848 length=image->columns;
849 pixels=(unsigned char *) AcquireQuantumMemory(length,4*sizeof(*pixels));
850 if (pixels == (unsigned char *) NULL)
851 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
853 Convert DirectClass packet to SUN RGB pixel.
855 for (y=0; y < (ssize_t) image->rows; y++)
857 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
858 if (p == (const Quantum *) NULL)
861 for (x=0; x < (ssize_t) image->columns; x++)
863 if (image->alpha_trait == BlendPixelTrait)
864 *q++=ScaleQuantumToChar(GetPixelAlpha(image,p));
865 *q++=ScaleQuantumToChar(GetPixelRed(image,p));
866 *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
867 *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
868 p+=GetPixelChannels(image);
870 if (((bytes_per_pixel*image->columns) & 0x01) != 0)
871 *q++='\0'; /* pad scanline */
872 (void) WriteBlob(image,(size_t) (q-pixels),pixels);
873 if (image->previous == (Image *) NULL)
875 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
877 if (status == MagickFalse)
881 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
884 if (IsImageMonochrome(image,exception) != MagickFalse)
886 register unsigned char
891 Convert PseudoClass image to a SUN monochrome image.
893 (void) SetImageType(image,BilevelType,exception);
894 for (y=0; y < (ssize_t) image->rows; y++)
896 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
897 if (p == (const Quantum *) NULL)
901 for (x=0; x < (ssize_t) image->columns; x++)
904 if (GetPixelIntensity(image,p) < (double) (QuantumRange/2.0))
909 (void) WriteBlobByte(image,byte);
913 p+=GetPixelChannels(image);
916 (void) WriteBlobByte(image,(unsigned char) (byte << (8-bit)));
917 if ((((image->columns/8)+
918 (image->columns % 8 ? 1 : 0)) % 2) != 0)
919 (void) WriteBlobByte(image,0); /* pad scanline */
920 if (image->previous == (Image *) NULL)
922 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
924 if (status == MagickFalse)
932 Dump colormap to file.
934 for (i=0; i < (ssize_t) image->colors; i++)
935 (void) WriteBlobByte(image,ScaleQuantumToChar(
936 image->colormap[i].red));
937 for (i=0; i < (ssize_t) image->colors; i++)
938 (void) WriteBlobByte(image,ScaleQuantumToChar(
939 image->colormap[i].green));
940 for (i=0; i < (ssize_t) image->colors; i++)
941 (void) WriteBlobByte(image,ScaleQuantumToChar(
942 image->colormap[i].blue));
944 Convert PseudoClass packet to SUN colormapped pixel.
946 for (y=0; y < (ssize_t) image->rows; y++)
948 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
949 if (p == (const Quantum *) NULL)
951 for (x=0; x < (ssize_t) image->columns; x++)
953 (void) WriteBlobByte(image,(unsigned char)
954 GetPixelIndex(image,p));
955 p+=GetPixelChannels(image);
957 if (image->columns & 0x01)
958 (void) WriteBlobByte(image,0); /* pad scanline */
959 if (image->previous == (Image *) NULL)
961 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
963 if (status == MagickFalse)
968 if (GetNextImageInList(image) == (Image *) NULL)
970 image=SyncNextImageInList(image);
971 status=SetImageProgress(image,SaveImagesTag,scene++,
972 GetImageListLength(image));
973 if (status == MagickFalse)
975 } while (image_info->adjoin != MagickFalse);
976 (void) CloseBlob(image);