2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
13 % Read/Write Photo CD Image Format %
20 % Copyright 1999-2010 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 "magick/studio.h"
43 #include "magick/property.h"
44 #include "magick/blob.h"
45 #include "magick/blob-private.h"
46 #include "magick/cache.h"
47 #include "magick/client.h"
48 #include "magick/colorspace.h"
49 #include "magick/constitute.h"
50 #include "magick/decorate.h"
51 #include "magick/exception.h"
52 #include "magick/exception-private.h"
53 #include "magick/gem.h"
54 #include "magick/geometry.h"
55 #include "magick/image.h"
56 #include "magick/image-private.h"
57 #include "magick/list.h"
58 #include "magick/magick.h"
59 #include "magick/memory_.h"
60 #include "magick/monitor.h"
61 #include "magick/monitor-private.h"
62 #include "magick/montage.h"
63 #include "magick/resize.h"
64 #include "magick/shear.h"
65 #include "magick/quantum-private.h"
66 #include "magick/static.h"
67 #include "magick/string_.h"
68 #include "magick/module.h"
69 #include "magick/transform.h"
70 #include "magick/utility.h"
75 static MagickBooleanType
76 WritePCDImage(const ImageInfo *,Image *);
79 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
83 % D e c o d e I m a g e %
87 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
89 % DecodeImage recovers the Huffman encoded luminance and chrominance
92 % The format of the DecodeImage method is:
94 % MagickBooleanType DecodeImage(Image *image,unsigned char *luma,
95 % unsigned char *chroma1,unsigned char *chroma2)
97 % A description of each parameter follows:
99 % o image: the address of a structure of type Image.
101 % o luma: the address of a character buffer that contains the
102 % luminance information.
104 % o chroma1: the address of a character buffer that contains the
105 % chrominance information.
107 % o chroma2: the address of a character buffer that contains the
108 % chrominance information.
111 static MagickBooleanType DecodeImage(Image *image,unsigned char *luma,
112 unsigned char *chroma1,unsigned char *chroma2)
114 #define IsSync ((sum & 0xffffff00UL) == 0xfffffe00UL)
115 #define PCDGetBits(n) \
117 sum=(sum << n) & 0xffffffff; \
121 if (p >= (buffer+0x800)) \
123 count=ReadBlob(image,0x800,buffer); \
126 sum|=((unsigned int) (*p) << (24-bits)); \
130 if (EOFBlob(image) != MagickFalse) \
134 typedef struct PCDTable
160 register unsigned char
181 Initialize Huffman tables.
183 assert(image != (const Image *) NULL);
184 assert(image->signature == MagickSignature);
185 if (image->debug != MagickFalse)
186 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
187 assert(luma != (unsigned char *) NULL);
188 assert(chroma1 != (unsigned char *) NULL);
189 assert(chroma2 != (unsigned char *) NULL);
190 buffer=(unsigned char *) AcquireQuantumMemory(0x800,sizeof(*buffer));
191 if (buffer == (unsigned char *) NULL)
192 ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
197 for (i=0; i < (image->columns > 1536 ? 3 : 1); i++)
200 length=(sum & 0xff)+1;
201 pcd_table[i]=(PCDTable *) AcquireQuantumMemory(length,
202 sizeof(*pcd_table[i]));
203 if (pcd_table[i] == (PCDTable *) NULL)
205 buffer=(unsigned char *) RelinquishMagickMemory(buffer);
206 ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
210 for (j=0; j < (long) length; j++)
213 r->length=(unsigned int) (sum & 0xff)+1;
216 buffer=(unsigned char *) RelinquishMagickMemory(buffer);
220 r->sequence=(unsigned int) (sum & 0xffff) << 16;
222 r->key=(unsigned char) (sum & 0xff);
223 r->mask=(~((1U << (32-r->length))-1));
226 pcd_length[i]=(unsigned long) length;
229 Search for Sync byte.
231 for (i=0; i < 1; i++)
233 for (i=0; i < 1; i++)
235 while ((sum & 0x00fff000UL) != 0x00fff000UL)
240 Recover the Huffman encoded luminance and chrominance deltas.
252 Determine plane and row number.
255 row=((sum >> 9) & 0x1fff);
256 if (row == image->rows)
265 q=luma+row*image->columns;
266 count=(ssize_t) image->columns;
271 q=chroma1+(row >> 1)*image->columns;
272 count=(ssize_t) (image->columns >> 1);
278 q=chroma2+(row >> 1)*image->columns;
279 count=(ssize_t) (image->columns >> 1);
285 ThrowBinaryException(CorruptImageError,"CorruptImage",
289 length=pcd_length[plane];
293 Decode luminance or chrominance deltas.
296 for (i=0; ((i < (long) length) && ((sum & r->mask) != r->sequence)); i++)
298 if ((row > image->rows) || (r == (PCDTable *) NULL))
300 (void) ThrowMagickException(&image->exception,GetMagickModule(),
301 CorruptImageWarning,"SkipToSyncByte","`%s'",image->filename);
302 while ((sum & 0x00fff000) != 0x00fff000)
309 quantum=(long) (*q)+r->key;
311 quantum=(long) (*q)+r->key-256;
312 *q=(unsigned char) ((quantum < 0) ? 0 : (quantum > 255) ? 255 : quantum);
314 PCDGetBits(r->length);
318 Relinquish resources.
320 for (i=0; i < (image->columns > 1536 ? 3 : 1); i++)
321 pcd_table[i]=(PCDTable *) RelinquishMagickMemory(pcd_table[i]);
322 buffer=(unsigned char *) RelinquishMagickMemory(buffer);
327 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
335 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
337 % IsPCD() returns MagickTrue if the image format type, identified by the
338 % magick string, is PCD.
340 % The format of the IsPCD method is:
342 % MagickBooleanType IsPCD(const unsigned char *magick,const size_t length)
344 % A description of each parameter follows:
346 % o magick: compare image format pattern against these bytes.
348 % o length: Specifies the length of the magick string.
351 static MagickBooleanType IsPCD(const unsigned char *magick,const size_t length)
355 if (LocaleNCompare((const char *) magick+2048,"PCD_",4) == 0)
361 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
365 % R e a d P C D I m a g e %
369 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
371 % ReadPCDImage() reads a Photo CD image file and returns it. It
372 % allocates the memory necessary for the new Image structure and returns a
373 % pointer to the new image. Much of the PCD decoder was derived from
374 % the program hpcdtoppm(1) by Hadmut Danisch.
376 % The format of the ReadPCDImage method is:
378 % image=ReadPCDImage(image_info)
380 % A description of each parameter follows:
382 % o image_info: the image info.
384 % o exception: return any errors or warnings in this structure.
388 static inline size_t MagickMin(const size_t x,const size_t y)
395 static Image *OverviewImage(const ImageInfo *image_info,Image *image,
396 ExceptionInfo *exception)
408 Create the PCD Overview image.
410 for (p=image; p != (Image *) NULL; p=p->next)
412 (void) DeleteImageProperty(p,"label");
413 (void) SetImageProperty(p,"label",DefaultTileLabel);
415 montage_info=CloneMontageInfo(image_info,(MontageInfo *) NULL);
416 (void) CopyMagickString(montage_info->filename,image_info->filename,
418 montage_image=MontageImageList(image_info,montage_info,image,exception);
419 montage_info=DestroyMontageInfo(montage_info);
420 if (montage_image == (Image *) NULL)
421 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
422 image=DestroyImage(image);
423 return(montage_image);
426 static void Upsample(const unsigned long width,const unsigned long height,
427 const unsigned long scaled_width,unsigned char *pixels)
433 register unsigned char
439 Create a new image that is a integral size greater than an existing one.
441 assert(pixels != (unsigned char *) NULL);
442 for (y=0; y < (long) height; y++)
444 p=pixels+(height-1-y)*scaled_width+(width-1);
445 q=pixels+((height-1-y) << 1)*scaled_width+((width-1) << 1);
448 for (x=1; x < (long) width; x++)
453 *(q+1)=(unsigned char) ((((unsigned long) *p)+
454 ((unsigned long) *(p+1))+1) >> 1);
457 for (y=0; y < (long) (height-1); y++)
459 p=pixels+((unsigned long) y << 1)*scaled_width;
462 for (x=0; x < (long) (width-1); x++)
464 *q=(unsigned char) ((((unsigned long) *p)+((unsigned long) *r)+1) >> 1);
465 *(q+1)=(unsigned char) ((((unsigned long) *p)+((unsigned long) *(p+2))+
466 ((unsigned long) *r)+((unsigned long) *(r+2))+2) >> 2);
471 *q++=(unsigned char) ((((unsigned long) *p++)+
472 ((unsigned long) *r++)+1) >> 1);
473 *q++=(unsigned char) ((((unsigned long) *p++)+
474 ((unsigned long) *r++)+1) >> 1);
476 p=pixels+(2*height-2)*scaled_width;
477 q=pixels+(2*height-1)*scaled_width;
478 (void) CopyMagickMemory(q,p,(size_t) (2*width));
481 static Image *ReadPCDImage(const ImageInfo *image_info,ExceptionInfo *exception)
505 register unsigned char
532 assert(image_info != (const ImageInfo *) NULL);
533 assert(image_info->signature == MagickSignature);
534 if (image_info->debug != MagickFalse)
535 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
536 image_info->filename);
537 assert(exception != (ExceptionInfo *) NULL);
538 assert(exception->signature == MagickSignature);
539 image=AcquireImage(image_info);
540 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
541 if (status == MagickFalse)
543 image=DestroyImageList(image);
544 return((Image *) NULL);
547 Determine if this a PCD file.
549 header=(unsigned char *) AcquireQuantumMemory(0x800,3UL*sizeof(*header));
550 if (header == (unsigned char *) NULL)
551 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
552 count=ReadBlob(image,3*0x800,header);
553 overview=LocaleNCompare((char *) header,"PCD_OPA",7) == 0;
555 ((LocaleNCompare((char *) header+0x800,"PCD",3) != 0) && !overview))
556 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
557 rotate=header[0x0e02] & 0x03;
558 number_images=(header[10] << 8) | header[11];
559 header=(unsigned char *) RelinquishMagickMemory(header);
561 Determine resolution by scene specification.
563 if ((image->columns == 0) || (image->rows == 0))
569 for (scene=1; scene < 6; scene++)
571 if ((width >= image->columns) && (height >= image->rows))
577 if (image_info->number_scenes != 0)
578 scene=(unsigned long) MagickMin(image_info->scene,6);
582 Initialize image structure.
586 for (i=1; i < (long) MagickMin(scene,3); i++)
591 image->columns=width;
594 for ( ; i < (long) scene; i++)
600 Allocate luma and chroma memory.
602 number_pixels=(MagickSizeType) image->columns*image->rows;
603 if (number_pixels != (size_t) number_pixels)
604 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
605 chroma1=(unsigned char *) AcquireQuantumMemory(image->columns+1UL,image->rows*
607 chroma2=(unsigned char *) AcquireQuantumMemory(image->columns+1UL,image->rows*
609 luma=(unsigned char *) AcquireQuantumMemory(image->columns+1UL,image->rows*
611 if ((chroma1 == (unsigned char *) NULL) ||
612 (chroma2 == (unsigned char *) NULL) || (luma == (unsigned char *) NULL))
613 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
615 Advance to image data.
626 for (i=0; i < (long) (offset*0x800); i++)
627 (void) ReadBlobByte(image);
633 MagickProgressMonitor
640 Read thumbnails from overview image.
642 for (j=1; j <= (long) number_images; j++)
644 progress_monitor=SetImageProgressMonitor(image,
645 (MagickProgressMonitor) NULL,image->client_data);
646 (void) FormatMagickString(image->filename,MaxTextExtent,
647 "images/img%04ld.pcd",j);
648 (void) FormatMagickString(image->magick_filename,MaxTextExtent,
649 "images/img%04ld.pcd",j);
650 image->scene=(unsigned long) j;
651 image->columns=width;
657 for (y=0; y < (long) height; y+=2)
659 count=ReadBlob(image,width,yy);
661 count=ReadBlob(image,width,yy);
663 count=ReadBlob(image,width >> 1,c1);
665 count=ReadBlob(image,width >> 1,c2);
668 Upsample(image->columns >> 1,image->rows >> 1,image->columns,chroma1);
669 Upsample(image->columns >> 1,image->rows >> 1,image->columns,chroma2);
671 Transfer luminance and chrominance channels.
676 for (y=0; y < (long) image->rows; y++)
678 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
679 if (q == (PixelPacket *) NULL)
681 for (x=0; x < (long) image->columns; x++)
683 q->red=ScaleCharToQuantum(*yy++);
684 q->green=ScaleCharToQuantum(*c1++);
685 q->blue=ScaleCharToQuantum(*c2++);
688 if (SyncAuthenticPixels(image,exception) == MagickFalse)
691 image->colorspace=YCCColorspace;
692 if (LocaleCompare(image_info->magick,"PCDS") == 0)
693 image->colorspace=sRGBColorspace;
694 if (j < (long) number_images)
697 Allocate next image structure.
699 AcquireNextImage(image_info,image);
700 if (GetNextImageInList(image) == (Image *) NULL)
702 image=DestroyImageList(image);
703 return((Image *) NULL);
705 image=SyncNextImageInList(image);
707 (void) SetImageProgressMonitor(image,progress_monitor,
709 if (image->previous == (Image *) NULL)
711 status=SetImageProgress(image,LoadImageTag,j-1,number_images);
712 if (status == MagickFalse)
716 chroma2=(unsigned char *) RelinquishMagickMemory(chroma2);
717 chroma1=(unsigned char *) RelinquishMagickMemory(chroma1);
718 luma=(unsigned char *) RelinquishMagickMemory(luma);
719 image=GetFirstImageInList(image);
720 overview_image=OverviewImage(image_info,image,exception);
721 return(overview_image);
724 Read interleaved image.
729 for (y=0; y < (long) height; y+=2)
731 count=ReadBlob(image,width,yy);
733 count=ReadBlob(image,width,yy);
735 count=ReadBlob(image,width >> 1,c1);
737 count=ReadBlob(image,width >> 1,c2);
743 Recover luminance deltas for 1536x1024 image.
745 Upsample(768,512,image->columns,luma);
746 Upsample(384,256,image->columns,chroma1);
747 Upsample(384,256,image->columns,chroma2);
749 for (i=0; i < (4*0x800); i++)
750 (void) ReadBlobByte(image);
751 status=DecodeImage(image,luma,chroma1,chroma2);
752 if ((scene >= 5) && status)
755 Recover luminance deltas for 3072x2048 image.
757 Upsample(1536,1024,image->columns,luma);
758 Upsample(768,512,image->columns,chroma1);
759 Upsample(768,512,image->columns,chroma2);
761 offset=TellBlob(image)/0x800+12;
762 offset=SeekBlob(image,offset*0x800,SEEK_SET);
763 status=DecodeImage(image,luma,chroma1,chroma2);
764 if ((scene >= 6) && (status != MagickFalse))
767 Recover luminance deltas for 6144x4096 image (vaporware).
769 Upsample(3072,2048,image->columns,luma);
770 Upsample(1536,1024,image->columns,chroma1);
771 Upsample(1536,1024,image->columns,chroma2);
776 Upsample(image->columns >> 1,image->rows >> 1,image->columns,chroma1);
777 Upsample(image->columns >> 1,image->rows >> 1,image->columns,chroma2);
779 Transfer luminance and chrominance channels.
784 for (y=0; y < (long) image->rows; y++)
786 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
787 if (q == (PixelPacket *) NULL)
789 for (x=0; x < (long) image->columns; x++)
791 q->red=ScaleCharToQuantum(*yy++);
792 q->green=ScaleCharToQuantum(*c1++);
793 q->blue=ScaleCharToQuantum(*c2++);
796 if (SyncAuthenticPixels(image,exception) == MagickFalse)
798 if (image->previous == (Image *) NULL)
800 status=SetImageProgress(image,LoadImageTag,y,image->rows);
801 if (status == MagickFalse)
805 chroma2=(unsigned char *) RelinquishMagickMemory(chroma2);
806 chroma1=(unsigned char *) RelinquishMagickMemory(chroma1);
807 luma=(unsigned char *) RelinquishMagickMemory(luma);
808 if (EOFBlob(image) != MagickFalse)
809 ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
811 (void) CloseBlob(image);
812 if (image_info->ping == MagickFalse)
813 if ((rotate == 1) || (rotate == 3))
824 degrees=rotate == 1 ? -90.0 : 90.0;
825 rotate_image=RotateImage(image,degrees,exception);
826 if (rotate_image != (Image *) NULL)
828 image=DestroyImage(image);
833 Set CCIR 709 primaries with a D65 white point.
835 image->chromaticity.red_primary.x=0.6400f;
836 image->chromaticity.red_primary.y=0.3300f;
837 image->chromaticity.green_primary.x=0.3000f;
838 image->chromaticity.green_primary.y=0.6000f;
839 image->chromaticity.blue_primary.x=0.1500f;
840 image->chromaticity.blue_primary.y=0.0600f;
841 image->chromaticity.white_point.x=0.3127f;
842 image->chromaticity.white_point.y=0.3290f;
843 image->gamma=1.000f/2.200f;
844 image->colorspace=YCCColorspace;
845 if (LocaleCompare(image_info->magick,"PCDS") == 0)
846 image->colorspace=sRGBColorspace;
847 return(GetFirstImageInList(image));
851 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
855 % R e g i s t e r P C D I m a g e %
859 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
861 % RegisterPCDImage() adds attributes for the PCD image format to
862 % the list of supported formats. The attributes include the image format
863 % tag, a method to read and/or write the format, whether the format
864 % supports the saving of more than one frame to the same file or blob,
865 % whether the format supports native in-memory I/O, and a brief
866 % description of the format.
868 % The format of the RegisterPCDImage method is:
870 % unsigned long RegisterPCDImage(void)
873 ModuleExport unsigned long RegisterPCDImage(void)
878 entry=SetMagickInfo("PCD");
879 entry->decoder=(DecodeImageHandler *) ReadPCDImage;
880 entry->encoder=(EncodeImageHandler *) WritePCDImage;
881 entry->magick=(IsImageFormatHandler *) IsPCD;
882 entry->adjoin=MagickFalse;
883 entry->description=ConstantString("Photo CD");
884 entry->module=ConstantString("PCD");
885 (void) RegisterMagickInfo(entry);
886 entry=SetMagickInfo("PCDS");
887 entry->decoder=(DecodeImageHandler *) ReadPCDImage;
888 entry->encoder=(EncodeImageHandler *) WritePCDImage;
889 entry->adjoin=MagickFalse;
890 entry->description=ConstantString("Photo CD");
891 entry->module=ConstantString("PCD");
892 (void) RegisterMagickInfo(entry);
893 return(MagickImageCoderSignature);
897 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
901 % U n r e g i s t e r P C D I m a g e %
905 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
907 % UnregisterPCDImage() removes format registrations made by the
908 % PCD module from the list of supported formats.
910 % The format of the UnregisterPCDImage method is:
912 % UnregisterPCDImage(void)
915 ModuleExport void UnregisterPCDImage(void)
917 (void) UnregisterMagickInfo("PCD");
918 (void) UnregisterMagickInfo("PCDS");
922 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
926 % W r i t e P C D I m a g e %
930 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
932 % WritePCDImage() writes an image in the Photo CD encoded image format.
934 % The format of the WritePCDImage method is:
936 % MagickBooleanType WritePCDImage(const ImageInfo *image_info,Image *image)
938 % A description of each parameter follows.
940 % o image_info: the image info.
942 % o image: The image.
946 static MagickBooleanType WritePCDTile(Image *image,const char *page_geometry,
947 const char *tile_geometry)
968 register const PixelPacket
977 Scale image to tile size.
979 SetGeometry(image,&geometry);
980 (void) ParseMetaGeometry(page_geometry,&geometry.x,&geometry.y,
981 &geometry.width,&geometry.height);
982 if ((geometry.width % 2) != 0)
984 if ((geometry.height % 2) != 0)
986 tile_image=ResizeImage(image,geometry.width,geometry.height,TriangleFilter,
987 1.0,&image->exception);
988 if (tile_image == (Image *) NULL)
990 flags=ParseGeometry(page_geometry,&geometry_info);
991 geometry.width=(unsigned long) geometry_info.rho;
992 geometry.height=(unsigned long) geometry_info.sigma;
993 if ((flags & SigmaValue) == 0)
994 geometry.height=geometry.width;
995 if ((tile_image->columns != geometry.width) ||
996 (tile_image->rows != geometry.height))
1005 Put a border around the image.
1007 border_info.width=(geometry.width-tile_image->columns+1) >> 1;
1008 border_info.height=(geometry.height-tile_image->rows+1) >> 1;
1009 bordered_image=BorderImage(tile_image,&border_info,&image->exception);
1010 if (bordered_image == (Image *) NULL)
1011 return(MagickFalse);
1012 tile_image=DestroyImage(tile_image);
1013 tile_image=bordered_image;
1015 (void) TransformImage(&tile_image,(char *) NULL,tile_geometry);
1016 if (image->colorspace != RGBColorspace)
1017 (void) TransformImageColorspace(tile_image,YCCColorspace);
1018 downsample_image=ResizeImage(tile_image,tile_image->columns/2,
1019 tile_image->rows/2,TriangleFilter,1.0,&image->exception);
1020 if (downsample_image == (Image *) NULL)
1021 return(MagickFalse);
1023 Write tile to PCD file.
1025 for (y=0; y < (long) tile_image->rows; y+=2)
1027 p=GetVirtualPixels(tile_image,0,y,tile_image->columns,2,
1028 &tile_image->exception);
1029 if (p == (const PixelPacket *) NULL)
1031 for (x=0; x < (long) (tile_image->columns << 1); x++)
1033 (void) WriteBlobByte(image,ScaleQuantumToChar(GetRedPixelComponent(p)));
1036 q=GetVirtualPixels(downsample_image,0,y >> 1,downsample_image->columns,
1037 1,&downsample_image->exception);
1038 if (q == (const PixelPacket *) NULL)
1040 for (x=0; x < (long) downsample_image->columns; x++)
1042 (void) WriteBlobByte(image,ScaleQuantumToChar(q->green));
1045 q=GetVirtualPixels(downsample_image,0,y >> 1,downsample_image->columns,
1046 1,&downsample_image->exception);
1047 if (q == (const PixelPacket *) NULL)
1049 for (x=0; x < (long) downsample_image->columns; x++)
1051 (void) WriteBlobByte(image,ScaleQuantumToChar(q->blue));
1054 status=SetImageProgress(image,SaveImageTag,y,tile_image->rows);
1055 if (status == MagickFalse)
1058 for (i=0; i < 0x800; i++)
1059 (void) WriteBlobByte(image,'\0');
1060 downsample_image=DestroyImage(downsample_image);
1061 tile_image=DestroyImage(tile_image);
1065 static MagickBooleanType WritePCDImage(const ImageInfo *image_info,Image *image)
1076 assert(image_info != (const ImageInfo *) NULL);
1077 assert(image_info->signature == MagickSignature);
1078 assert(image != (Image *) NULL);
1079 assert(image->signature == MagickSignature);
1080 if (image->debug != MagickFalse)
1081 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1083 if (image->columns < image->rows)
1089 Rotate portrait to landscape.
1091 rotate_image=RotateImage(image,90.0,&image->exception);
1092 if (rotate_image == (Image *) NULL)
1093 return(MagickFalse);
1094 pcd_image=rotate_image;
1097 Open output image file.
1099 status=OpenBlob(image_info,pcd_image,WriteBinaryBlobMode,&image->exception);
1100 if (status == MagickFalse)
1102 if (image->colorspace != RGBColorspace)
1103 (void) TransformImageColorspace(pcd_image,RGBColorspace);
1105 Write PCD image header.
1107 for (i=0; i < 32; i++)
1108 (void) WriteBlobByte(pcd_image,0xff);
1109 for (i=0; i < 4; i++)
1110 (void) WriteBlobByte(pcd_image,0x0e);
1111 for (i=0; i < 8; i++)
1112 (void) WriteBlobByte(pcd_image,'\0');
1113 for (i=0; i < 4; i++)
1114 (void) WriteBlobByte(pcd_image,0x01);
1115 for (i=0; i < 4; i++)
1116 (void) WriteBlobByte(pcd_image,0x05);
1117 for (i=0; i < 8; i++)
1118 (void) WriteBlobByte(pcd_image,'\0');
1119 for (i=0; i < 4; i++)
1120 (void) WriteBlobByte(pcd_image,0x0A);
1121 for (i=0; i < 36; i++)
1122 (void) WriteBlobByte(pcd_image,'\0');
1123 for (i=0; i < 4; i++)
1124 (void) WriteBlobByte(pcd_image,0x01);
1125 for (i=0; i < 1944; i++)
1126 (void) WriteBlobByte(pcd_image,'\0');
1127 (void) WriteBlob(pcd_image,7,(const unsigned char *) "PCD_IPI");
1128 (void) WriteBlobByte(pcd_image,0x06);
1129 for (i=0; i < 1530; i++)
1130 (void) WriteBlobByte(pcd_image,'\0');
1131 if (image->columns < image->rows)
1132 (void) WriteBlobByte(pcd_image,'\1');
1134 (void) WriteBlobByte(pcd_image,'\0');
1135 for (i=0; i < (3*0x800-1539); i++)
1136 (void) WriteBlobByte(pcd_image,'\0');
1140 status=WritePCDTile(pcd_image,"768x512>","192x128");
1141 status=WritePCDTile(pcd_image,"768x512>","384x256");
1142 status=WritePCDTile(pcd_image,"768x512>","768x512");
1143 (void) CloseBlob(pcd_image);
1144 if (pcd_image != image)
1145 pcd_image=DestroyImage(pcd_image);