| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % CCCC AAA L SSSSS % |
| % C A A L SS % |
| % C AAAAA L SSS % |
| % C A A L SS % |
| % CCCC A A LLLLL SSSSS % |
| % % |
| % % |
| % Read/Write CALS Raster Group 1 Image Format % |
| % % |
| % Software Design % |
| % Cristy % |
| % July 1992 % |
| % % |
| % % |
| % Copyright 1999-2020 ImageMagick Studio LLC, a non-profit organization % |
| % dedicated to making software imaging solutions freely available. % |
| % % |
| % You may not use this file except in compliance with the License. You may % |
| % obtain a copy of the License at % |
| % % |
| % https://imagemagick.org/script/license.php % |
| % % |
| % Unless required by applicable law or agreed to in writing, software % |
| % distributed under the License is distributed on an "AS IS" BASIS, % |
| % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| % See the License for the specific language governing permissions and % |
| % limitations under the License. % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % The CALS raster format is a standard developed by the Computer Aided |
| % Acquisition and Logistics Support (CALS) office of the United States |
| % Department of Defense to standardize graphics data interchange for |
| % electronic publishing, especially in the areas of technical graphics, |
| % CAD/CAM, and image processing applications. |
| % |
| */ |
| |
| /* |
| Include declarations. |
| */ |
| #include "MagickCore/studio.h" |
| #include "MagickCore/blob.h" |
| #include "MagickCore/blob-private.h" |
| #include "MagickCore/cache.h" |
| #include "MagickCore/colorspace.h" |
| #include "MagickCore/constitute.h" |
| #include "MagickCore/exception.h" |
| #include "MagickCore/exception-private.h" |
| #include "MagickCore/geometry.h" |
| #include "MagickCore/image.h" |
| #include "MagickCore/image-private.h" |
| #include "MagickCore/list.h" |
| #include "MagickCore/magick.h" |
| #include "MagickCore/memory_.h" |
| #include "MagickCore/monitor.h" |
| #include "MagickCore/monitor-private.h" |
| #include "MagickCore/option.h" |
| #include "MagickCore/quantum-private.h" |
| #include "MagickCore/resource_.h" |
| #include "MagickCore/static.h" |
| #include "MagickCore/string_.h" |
| #include "MagickCore/module.h" |
| |
| #if defined(MAGICKCORE_TIFF_DELEGATE) |
| /* |
| Forward declarations. |
| */ |
| static MagickBooleanType |
| WriteCALSImage(const ImageInfo *,Image *,ExceptionInfo *); |
| #endif |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % I s C A L S % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % IsCALS() returns MagickTrue if the image format type, identified by the |
| % magick string, is CALS Raster Group 1. |
| % |
| % The format of the IsCALS method is: |
| % |
| % MagickBooleanType IsCALS(const unsigned char *magick,const size_t length) |
| % |
| % A description of each parameter follows: |
| % |
| % o magick: compare image format pattern against these bytes. |
| % |
| % o length: Specifies the length of the magick string. |
| % |
| */ |
| static MagickBooleanType IsCALS(const unsigned char *magick,const size_t length) |
| { |
| if (length < 128) |
| return(MagickFalse); |
| if (LocaleNCompare((const char *) magick,"version: MIL-STD-1840",21) == 0) |
| return(MagickTrue); |
| if (LocaleNCompare((const char *) magick,"srcdocid:",9) == 0) |
| return(MagickTrue); |
| if (LocaleNCompare((const char *) magick,"rorient:",8) == 0) |
| return(MagickTrue); |
| return(MagickFalse); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e a d C A L S I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % ReadCALSImage() reads an CALS Raster Group 1 image format image file and |
| % returns it. It allocates the memory necessary for the new Image structure |
| % and returns a pointer to the new image. |
| % |
| % The format of the ReadCALSImage method is: |
| % |
| % Image *ReadCALSImage(const ImageInfo *image_info, |
| % ExceptionInfo *exception) |
| % |
| % A description of each parameter follows: |
| % |
| % o image_info: the image info. |
| % |
| % o exception: return any errors or warnings in this structure. |
| % |
| */ |
| static Image *ReadCALSImage(const ImageInfo *image_info, |
| ExceptionInfo *exception) |
| { |
| char |
| filename[MagickPathExtent], |
| header[MagickPathExtent], |
| message[MagickPathExtent]; |
| |
| FILE |
| *file; |
| |
| Image |
| *image; |
| |
| ImageInfo |
| *read_info; |
| |
| int |
| c, |
| unique_file; |
| |
| MagickBooleanType |
| status; |
| |
| register ssize_t |
| i; |
| |
| unsigned long |
| density, |
| direction, |
| height, |
| orientation, |
| pel_path, |
| type, |
| width; |
| |
| /* |
| Open image file. |
| */ |
| assert(image_info != (const ImageInfo *) NULL); |
| assert(image_info->signature == MagickCoreSignature); |
| if (image_info->debug != MagickFalse) |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| image_info->filename); |
| assert(exception != (ExceptionInfo *) NULL); |
| assert(exception->signature == MagickCoreSignature); |
| image=AcquireImage(image_info,exception); |
| status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
| if (status == MagickFalse) |
| { |
| image=DestroyImageList(image); |
| return((Image *) NULL); |
| } |
| /* |
| Read CALS header. |
| */ |
| (void) memset(header,0,sizeof(header)); |
| density=0; |
| direction=0; |
| orientation=1; |
| pel_path=0; |
| type=1; |
| width=0; |
| height=0; |
| for (i=0; i < 16; i++) |
| { |
| if (ReadBlob(image,128,(unsigned char *) header) != 128) |
| break; |
| switch (*header) |
| { |
| case 'R': |
| case 'r': |
| { |
| if (LocaleNCompare(header,"rdensty:",8) == 0) |
| { |
| (void) sscanf(header+8,"%lu",&density); |
| break; |
| } |
| if (LocaleNCompare(header,"rpelcnt:",8) == 0) |
| { |
| (void) sscanf(header+8,"%lu,%lu",&width,&height); |
| break; |
| } |
| if (LocaleNCompare(header,"rorient:",8) == 0) |
| { |
| (void) sscanf(header+8,"%lu,%lu",&pel_path,&direction); |
| if (pel_path == 90) |
| orientation=5; |
| else |
| if (pel_path == 180) |
| orientation=3; |
| else |
| if (pel_path == 270) |
| orientation=7; |
| if (direction == 90) |
| orientation++; |
| break; |
| } |
| if (LocaleNCompare(header,"rtype:",6) == 0) |
| { |
| (void) sscanf(header+6,"%lu",&type); |
| break; |
| } |
| break; |
| } |
| } |
| } |
| /* |
| Read CALS pixels. |
| */ |
| file=(FILE *) NULL; |
| unique_file=AcquireUniqueFileResource(filename); |
| if (unique_file != -1) |
| file=fdopen(unique_file,"wb"); |
| if ((unique_file == -1) || (file == (FILE *) NULL)) |
| ThrowImageException(FileOpenError,"UnableToCreateTemporaryFile"); |
| while ((c=ReadBlobByte(image)) != EOF) |
| if (fputc(c,file) != c) |
| break; |
| (void) fclose(file); |
| (void) CloseBlob(image); |
| image=DestroyImage(image); |
| read_info=CloneImageInfo(image_info); |
| SetImageInfoBlob(read_info,(void *) NULL,0); |
| (void) FormatLocaleString(read_info->filename,MagickPathExtent,"group4:%s", |
| filename); |
| (void) FormatLocaleString(message,MagickPathExtent,"%lux%lu",width,height); |
| (void) CloneString(&read_info->size,message); |
| (void) FormatLocaleString(message,MagickPathExtent,"%lu",density); |
| (void) CloneString(&read_info->density,message); |
| read_info->orientation=(OrientationType) orientation; |
| image=ReadImage(read_info,exception); |
| if (image != (Image *) NULL) |
| { |
| (void) CopyMagickString(image->filename,image_info->filename, |
| MagickPathExtent); |
| (void) CopyMagickString(image->magick_filename,image_info->filename, |
| MagickPathExtent); |
| (void) CopyMagickString(image->magick,"CALS",MagickPathExtent); |
| } |
| read_info=DestroyImageInfo(read_info); |
| (void) RelinquishUniqueFileResource(filename); |
| return(image); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % R e g i s t e r C A L S I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % RegisterCALSImage() adds attributes for the CALS Raster Group 1 image file |
| % image format to the list of supported formats. The attributes include the |
| % image format tag, a method to read and/or write the format, whether the |
| % format supports the saving of more than one frame to the same file or blob, |
| % whether the format supports native in-memory I/O, and a brief description |
| % of the format. |
| % |
| % The format of the RegisterCALSImage method is: |
| % |
| % size_t RegisterCALSImage(void) |
| % |
| */ |
| ModuleExport size_t RegisterCALSImage(void) |
| { |
| #define CALSDescription "Continuous Acquisition and Life-cycle Support Type 1" |
| #define CALSNote "Specified in MIL-R-28002 and MIL-PRF-28002" |
| |
| MagickInfo |
| *entry; |
| |
| entry=AcquireMagickInfo("CALS","CAL",CALSDescription); |
| entry->decoder=(DecodeImageHandler *) ReadCALSImage; |
| #if defined(MAGICKCORE_TIFF_DELEGATE) |
| entry->encoder=(EncodeImageHandler *) WriteCALSImage; |
| #endif |
| entry->flags^=CoderAdjoinFlag; |
| entry->magick=(IsImageFormatHandler *) IsCALS; |
| entry->note=ConstantString(CALSNote); |
| (void) RegisterMagickInfo(entry); |
| entry=AcquireMagickInfo("CALS","CALS",CALSDescription); |
| entry->decoder=(DecodeImageHandler *) ReadCALSImage; |
| #if defined(MAGICKCORE_TIFF_DELEGATE) |
| entry->encoder=(EncodeImageHandler *) WriteCALSImage; |
| #endif |
| entry->flags^=CoderAdjoinFlag; |
| entry->magick=(IsImageFormatHandler *) IsCALS; |
| entry->note=ConstantString(CALSNote); |
| (void) RegisterMagickInfo(entry); |
| return(MagickImageCoderSignature); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % U n r e g i s t e r C A L S I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % UnregisterCALSImage() removes format registrations made by the |
| % CALS module from the list of supported formats. |
| % |
| % The format of the UnregisterCALSImage method is: |
| % |
| % UnregisterCALSImage(void) |
| % |
| */ |
| ModuleExport void UnregisterCALSImage(void) |
| { |
| (void) UnregisterMagickInfo("CAL"); |
| (void) UnregisterMagickInfo("CALS"); |
| } |
| |
| #if defined(MAGICKCORE_TIFF_DELEGATE) |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % W r i t e C A L S I m a g e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % WriteCALSImage() writes an image to a file in CALS Raster Group 1 image |
| % format. |
| % |
| % The format of the WriteCALSImage method is: |
| % |
| % MagickBooleanType WriteCALSImage(const ImageInfo *image_info, |
| % Image *image,ExceptionInfo *exception) |
| % |
| % A description of each parameter follows. |
| % |
| % o image_info: the image info. |
| % |
| % o image: The image. |
| % |
| % o exception: return any errors or warnings in this structure. |
| % |
| */ |
| |
| static ssize_t WriteCALSRecord(Image *image,const char *data) |
| { |
| char |
| pad[128]; |
| |
| register const char |
| *p; |
| |
| register ssize_t |
| i; |
| |
| ssize_t |
| count; |
| |
| i=0; |
| count=0; |
| if (data != (const char *) NULL) |
| { |
| p=data; |
| for (i=0; (i < 128) && (p[i] != '\0'); i++); |
| count=WriteBlob(image,(size_t) i,(const unsigned char *) data); |
| } |
| if (i < 128) |
| { |
| i=128-i; |
| (void) memset(pad,' ',(size_t) i); |
| count=WriteBlob(image,(size_t) i,(const unsigned char *) pad); |
| } |
| return(count); |
| } |
| |
| static MagickBooleanType WriteCALSImage(const ImageInfo *image_info, |
| Image *image,ExceptionInfo *exception) |
| { |
| char |
| header[129]; |
| |
| Image |
| *group4_image; |
| |
| ImageInfo |
| *write_info; |
| |
| MagickBooleanType |
| status; |
| |
| register ssize_t |
| i; |
| |
| size_t |
| density, |
| length, |
| orient_x, |
| orient_y; |
| |
| ssize_t |
| count; |
| |
| unsigned char |
| *group4; |
| |
| /* |
| Open output image file. |
| */ |
| assert(image_info != (const ImageInfo *) NULL); |
| assert(image_info->signature == MagickCoreSignature); |
| assert(image != (Image *) NULL); |
| assert(image->signature == MagickCoreSignature); |
| if (image->debug != MagickFalse) |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| assert(exception != (ExceptionInfo *) NULL); |
| assert(exception->signature == MagickCoreSignature); |
| status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); |
| if (status == MagickFalse) |
| return(status); |
| /* |
| Create standard CALS header. |
| */ |
| count=WriteCALSRecord(image,"srcdocid: NONE"); |
| (void) count; |
| count=WriteCALSRecord(image,"dstdocid: NONE"); |
| count=WriteCALSRecord(image,"txtfilid: NONE"); |
| count=WriteCALSRecord(image,"figid: NONE"); |
| count=WriteCALSRecord(image,"srcgph: NONE"); |
| count=WriteCALSRecord(image,"doccls: NONE"); |
| count=WriteCALSRecord(image,"rtype: 1"); |
| orient_x=0; |
| orient_y=0; |
| switch (image->orientation) |
| { |
| case TopRightOrientation: |
| { |
| orient_x=180; |
| orient_y=270; |
| break; |
| } |
| case BottomRightOrientation: |
| { |
| orient_x=180; |
| orient_y=90; |
| break; |
| } |
| case BottomLeftOrientation: |
| { |
| orient_y=90; |
| break; |
| } |
| case LeftTopOrientation: |
| { |
| orient_x=270; |
| break; |
| } |
| case RightTopOrientation: |
| { |
| orient_x=270; |
| orient_y=180; |
| break; |
| } |
| case RightBottomOrientation: |
| { |
| orient_x=90; |
| orient_y=180; |
| break; |
| } |
| case LeftBottomOrientation: |
| { |
| orient_x=90; |
| break; |
| } |
| default: |
| { |
| orient_y=270; |
| break; |
| } |
| } |
| (void) FormatLocaleString(header,sizeof(header),"rorient: %03ld,%03ld", |
| (long) orient_x,(long) orient_y); |
| count=WriteCALSRecord(image,header); |
| (void) FormatLocaleString(header,sizeof(header),"rpelcnt: %06lu,%06lu", |
| (unsigned long) image->columns,(unsigned long) image->rows); |
| count=WriteCALSRecord(image,header); |
| density=200; |
| if (image_info->density != (char *) NULL) |
| { |
| GeometryInfo |
| geometry_info; |
| |
| (void) ParseGeometry(image_info->density,&geometry_info); |
| density=(size_t) floor(geometry_info.rho+0.5); |
| } |
| (void) FormatLocaleString(header,sizeof(header),"rdensty: %04lu", |
| (unsigned long) density); |
| count=WriteCALSRecord(image,header); |
| count=WriteCALSRecord(image,"notes: NONE"); |
| (void) memset(header,' ',128); |
| for (i=0; i < 5; i++) |
| (void) WriteBlob(image,128,(unsigned char *) header); |
| /* |
| Write CALS pixels. |
| */ |
| write_info=CloneImageInfo(image_info); |
| (void) CopyMagickString(write_info->filename,"GROUP4:",MagickPathExtent); |
| (void) CopyMagickString(write_info->magick,"GROUP4",MagickPathExtent); |
| group4_image=CloneImage(image,0,0,MagickTrue,exception); |
| if (group4_image == (Image *) NULL) |
| { |
| write_info=DestroyImageInfo(write_info); |
| (void) CloseBlob(image); |
| return(MagickFalse); |
| } |
| group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length, |
| exception); |
| group4_image=DestroyImage(group4_image); |
| if (group4 == (unsigned char *) NULL) |
| { |
| write_info=DestroyImageInfo(write_info); |
| (void) CloseBlob(image); |
| return(MagickFalse); |
| } |
| write_info=DestroyImageInfo(write_info); |
| if (WriteBlob(image,length,group4) != (ssize_t) length) |
| status=MagickFalse; |
| group4=(unsigned char *) RelinquishMagickMemory(group4); |
| (void) CloseBlob(image); |
| return(status); |
| } |
| #endif |
