% CCCC A A LLLLL SSSSS %
% %
% %
-% Read/Write CALS Image Format %
+% Read/Write CALS Raster Group 1 Image Format %
% %
% Software Design %
% John Cristy %
% July 1992 %
% %
% %
-% Copyright 1999-2009 ImageMagick Studio LLC, a non-profit organization %
+% Copyright 1999-2010 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 %
#include "magick/colorspace.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
+#include "magick/geometry.h"
#include "magick/image.h"
#include "magick/image-private.h"
#include "magick/list.h"
#include "magick/memory_.h"
#include "magick/monitor.h"
#include "magick/monitor-private.h"
+#include "magick/option.h"
#include "magick/quantum-private.h"
#include "magick/resource_.h"
#include "magick/static.h"
#include "magick/string_.h"
#include "magick/module.h"
\f
+/*
+ Forward declarations.
+*/
+static MagickBooleanType
+ WriteCALSImage(const ImageInfo *,Image *);
+\f
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% IsCALS() returns MagickTrue if the image format type, identified by the
-% magick string, is CALS.
+% magick string, is CALS Raster Group 1.
%
% The format of the IsCALS method is:
%
{
if (length < 128)
return(MagickFalse);
- if (LocaleNCompare((char *) magick,"version: MIL-STD-1840",21) == 0)
+ if (LocaleNCompare((const char *) magick,"version: MIL-STD-1840",21) == 0)
return(MagickTrue);
- if (LocaleNCompare((char *) magick,"srcdocid:",9) == 0)
+ if (LocaleNCompare((const char *) magick,"srcdocid:",9) == 0)
return(MagickTrue);
- if (LocaleNCompare((char *) magick,"rorient:",8) == 0)
+ if (LocaleNCompare((const char *) magick,"rorient:",8) == 0)
return(MagickTrue);
return(MagickFalse);
}
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
-% ReadCALSImage() reads an Automated Interchange of Technical Information,
-% MIL-STD-1840A image file and returns it. It allocates the memory necessary
-% for the new Image structure and returns a pointer to the new image.
+% 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:
%
% o exception: return any errors or warnings in this structure.
%
*/
-
-static inline size_t WriteCALSLSBLong(FILE *file,const unsigned int value)
-{
- unsigned char
- buffer[4];
-
- buffer[0]=(unsigned char) value;
- buffer[1]=(unsigned char) (value >> 8);
- buffer[2]=(unsigned char) (value >> 16);
- buffer[3]=(unsigned char) (value >> 24);
- return(fwrite(buffer,1,4,file));
-}
-
static Image *ReadCALSImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
char
filename[MaxTextExtent],
- header[129];
+ header[129],
+ message[MaxTextExtent];
FILE
*file;
register long
i;
- size_t
- length;
-
- ssize_t
- offset,
- strip_offset;
-
- unsigned int
+ unsigned long
density,
direction,
height,
{
if (LocaleNCompare(header,"rdensty:",8) == 0)
{
- (void) sscanf(header+8,"%u",&density);
+ (void) sscanf(header+8,"%lu",&density);
break;
}
if (LocaleNCompare(header,"rpelcnt:",8) == 0)
{
- (void) sscanf(header+8,"%u,%u",&width,&height);
+ (void) sscanf(header+8,"%lu,%lu",&width,&height);
break;
}
if (LocaleNCompare(header,"rorient:",8) == 0)
{
- (void) sscanf(header+8,"%u,%u",&pel_path,&direction);
+ (void) sscanf(header+8,"%lu,%lu",&pel_path,&direction);
if (pel_path == 90)
orientation=5;
else
}
if (LocaleNCompare(header,"rtype:",6) == 0)
{
- (void) sscanf(header+6,"%u",&type);
+ (void) sscanf(header+6,"%lu",&type);
break;
}
break;
}
}
}
- if ((width == 0) || (height == 0) || (type == 0))
- ThrowReaderException(CorruptImageError,"ImproperImageHeader");
/*
- Write CALS facsimile document wrapped as a TIFF image file.
+ 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))
- ThrowReaderException(FileOpenError,"UnableToCreateTemporaryFile");
- length=fwrite("\111\111\052\000\010\000\000\000\016\000",1,10,file);
- length=fwrite("\376\000\003\000\001\000\000\000\000\000\000\000",1,12,file);
- length=fwrite("\000\001\004\000\001\000\000\000",1,8,file);
- length=WriteCALSLSBLong(file,width);
- length=fwrite("\001\001\004\000\001\000\000\000",1,8,file);
- length=WriteCALSLSBLong(file,height);
- length=fwrite("\002\001\003\000\001\000\000\000\001\000\000\000",1,12,file);
- length=fwrite("\003\001\003\000\001\000\000\000\004\000\000\000",1,12,file);
- length=fwrite("\006\001\003\000\001\000\000\000\000\000\000\000",1,12,file);
- length=fwrite("\021\001\003\000\001\000\000\000",1,8,file);
- strip_offset=10+(12*14)+4+8;
- length=WriteCALSLSBLong(file,(unsigned int) strip_offset);
- length=fwrite("\022\001\003\000\001\000\000\000",1,8,file);
- length=WriteCALSLSBLong(file,orientation);
- length=fwrite("\025\001\003\000\001\000\000\000\001\000\000\000",1,12,file);
- length=fwrite("\026\001\004\000\001\000\000\000",1,8,file);
- length=WriteCALSLSBLong(file,width);
- length=fwrite("\027\001\004\000\001\000\000\000\000\000\000\000",1,12,file);
- offset=(ssize_t) ftell(file)-4;
- length=fwrite("\032\001\005\000\001\000\000\000",1,8,file);
- length=WriteCALSLSBLong(file,(unsigned int) (strip_offset-8));
- length=fwrite("\033\001\005\000\001\000\000\000",1,8,file);
- length=WriteCALSLSBLong(file,(unsigned int) (strip_offset-8));
- length=fwrite("\050\001\003\000\001\000\000\000\002\000\000\000",1,12,file);
- length=fwrite("\000\000\000\000",1,4,file);
- length=WriteCALSLSBLong(file,density);
- length=WriteCALSLSBLong(file,1);
- for (length=0; (c=ReadBlobByte(image)) != EOF; length++)
+ ThrowImageException(FileOpenError,"UnableToCreateTemporaryFile");
+ while ((c=ReadBlobByte(image)) != EOF)
(void) fputc(c,file);
+ (void) fclose(file);
(void) CloseBlob(image);
image=DestroyImage(image);
- offset=(ssize_t) fseek(file,(long) offset,SEEK_SET);
- length=WriteCALSLSBLong(file,(unsigned int) length);
- (void) fclose(file);
- /*
- Read TIFF image.
- */
read_info=CloneImageInfo(image_info);
SetImageInfoBlob(read_info,(void *) NULL,0);
- (void) FormatMagickString(read_info->filename,MaxTextExtent,"tiff:%.1024s",
+ (void) FormatMagickString(read_info->filename,MaxTextExtent,"group4:%.1024s",
filename);
+ (void) FormatMagickString(message,MaxTextExtent,"%lux%lu",width,height);
+ read_info->size=ConstantString(message);
+ (void) FormatMagickString(message,MaxTextExtent,"%lu",density);
+ read_info->density=ConstantString(message);
+ read_info->orientation=(OrientationType) orientation;
image=ReadImage(read_info,exception);
+ if (image != (Image *) NULL)
+ {
+ (void) CopyMagickString(image->filename,image_info->filename,
+ MaxTextExtent);
+ (void) CopyMagickString(image->magick_filename,image_info->filename,
+ MaxTextExtent);
+ (void) CopyMagickString(image->magick,"CALS",MaxTextExtent);
+ }
read_info=DestroyImageInfo(read_info);
(void) RelinquishUniqueFileResource(filename);
- if (image == (Image *) NULL)
- return(image);
- return(GetFirstImageInList(image));
+ return(image);
}
\f
/*
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
-% RegisterCALSImage() adds attributes for the CALS X 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.
+% 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:
%
MagickInfo
*entry;
+ static const char
+ *CALSDescription=
+ {
+ "Continuous Acquisition and Life-cycle Support Type 1 Image"
+ },
+ *CALSNote=
+ {
+ "Specified in MIL-R-28002 and MIL-PRF-28002"
+ };
+
+ entry=SetMagickInfo("CAL");
+ entry->decoder=(DecodeImageHandler *) ReadCALSImage;
+#if defined(MAGICKCORE_TIFF_DELEGATE)
+ entry->encoder=(EncodeImageHandler *) WriteCALSImage;
+#endif
+ entry->adjoin=MagickFalse;
+ entry->magick=(IsImageFormatHandler *) IsCALS;
+ entry->description=ConstantString(CALSDescription);
+ entry->note=ConstantString(CALSNote);
+ entry->module=ConstantString("CALS");
+ (void) RegisterMagickInfo(entry);
entry=SetMagickInfo("CALS");
entry->decoder=(DecodeImageHandler *) ReadCALSImage;
+#if defined(MAGICKCORE_TIFF_DELEGATE)
+ entry->encoder=(EncodeImageHandler *) WriteCALSImage;
+#endif
entry->adjoin=MagickFalse;
entry->magick=(IsImageFormatHandler *) IsCALS;
- entry->description=ConstantString("Automated Interchange of Technical "
- "Information, MIL-STD-1840A");
+ entry->description=ConstantString(CALSDescription);
+ entry->note=ConstantString(CALSNote);
entry->module=ConstantString("CALS");
(void) RegisterMagickInfo(entry);
return(MagickImageCoderSignature);
*/
ModuleExport void UnregisterCALSImage(void)
{
+ (void) UnregisterMagickInfo("CAL");
(void) UnregisterMagickInfo("CALS");
}
+\f
+#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)
+%
+% A description of each parameter follows.
+%
+% o image_info: the image info.
+%
+% o image: The image.
+%
+*/
+
+static ssize_t WriteCALSRecord(Image *image,const char *data)
+{
+ char
+ pad[128];
+
+ ssize_t
+ count;
+
+ register const char
+ *p;
+
+ register long
+ i;
+
+ i=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) ResetMagickMemory(pad,' ',(const size_t) i);
+ count=WriteBlob(image,(size_t) i,(const unsigned char *) pad);
+ }
+ return(count);
+}
+
+static MagickBooleanType WriteCALSImage(const ImageInfo *image_info,
+ Image *image)
+{
+ char
+ header[129];
+
+ Image
+ *group4_image;
+
+ ImageInfo
+ *write_info;
+
+ MagickBooleanType
+ status;
+
+ register long
+ i;
+
+ ssize_t
+ count;
+
+ size_t
+ length;
+
+ unsigned char
+ *group4;
+
+ unsigned long
+ density,
+ orient_x,
+ orient_y;
+
+ /*
+ Open output image file.
+ */
+ assert(image_info != (const ImageInfo *) NULL);
+ assert(image_info->signature == MagickSignature);
+ assert(image != (Image *) NULL);
+ assert(image->signature == MagickSignature);
+ if (image->debug != MagickFalse)
+ (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
+ status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
+ if (status == MagickFalse)
+ return(status);
+ /*
+ Create standard CALS header.
+ */
+ count=WriteCALSRecord(image,"srcdocid: NONE");
+ count=WriteCALSRecord(image,"dstdocid: NONE");
+ count=WriteCALSRecord(image,"txtfilid: NONE");
+ count=WriteCALSRecord(image,"figid: NONE");
+ count=WriteCALSRecord(image,"srcgph: NONE");
+ count=WriteCALSRecord(image,"docls: 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;
+ }
+ }
+ (void) FormatMagickString(header,MaxTextExtent,"rorient: %03ld,%03ld",
+ orient_x,orient_y);
+ count=WriteCALSRecord(image,header);
+ (void) FormatMagickString(header,MaxTextExtent,"rpelcnt: %06lu,%06lu",
+ image->columns,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=(unsigned long) (geometry_info.rho+0.5);
+ }
+ (void) FormatMagickString(header,MaxTextExtent,"rdensty: %04lu",density);
+ count=WriteCALSRecord(image,header);
+ count=WriteCALSRecord(image,"notes: NONE");
+ (void) ResetMagickMemory(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:",MaxTextExtent);
+ (void) CopyMagickString(write_info->magick,"GROUP4",MaxTextExtent);
+ group4_image=CloneImage(image,0,0,MagickTrue,&image->exception);
+ if (group4_image == (Image *) NULL)
+ {
+ (void) CloseBlob(image);
+ return(MagickFalse);
+ }
+ group4=(unsigned char *) ImageToBlob(write_info,group4_image,&length,
+ &image->exception);
+ group4_image=DestroyImage(group4_image);
+ if (group4 == (unsigned char *) NULL)
+ {
+ (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