|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% V V IIIII CCCC AAA RRRR %
|
|
|
% V V I C A A R R %
|
|
|
% V V I C AAAAA RRRR %
|
|
|
% V V I C A A R R %
|
|
|
% V IIIII CCCC A A R R %
|
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|
% %
|
|
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% %
|
|
|
% Read/Write VICAR Rasterfile Format %
|
|
|
% %
|
|
|
% Software Design %
|
|
|
% Cristy %
|
|
|
% July 1992 %
|
|
|
% %
|
|
|
% %
|
|
|
% Copyright 1999-2021 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. %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
%
|
|
|
*/
|
|
|
|
|
|
/*
|
|
|
Include declarations.
|
|
|
*/
|
|
|
#include "MagickCore/studio.h"
|
|
|
#include "MagickCore/attribute.h"
|
|
|
#include "MagickCore/blob.h"
|
|
|
#include "MagickCore/blob-private.h"
|
|
|
#include "MagickCore/cache.h"
|
|
|
#include "MagickCore/colormap.h"
|
|
|
#include "MagickCore/colorspace.h"
|
|
|
#include "MagickCore/colorspace-private.h"
|
|
|
#include "MagickCore/constitute.h"
|
|
|
#include "MagickCore/exception.h"
|
|
|
#include "MagickCore/exception-private.h"
|
|
|
#include "MagickCore/image.h"
|
|
|
#include "MagickCore/image-private.h"
|
|
|
#include "MagickCore/list.h"
|
|
|
#include "MagickCore/magick.h"
|
|
|
#include "MagickCore/memory_.h"
|
|
|
#include "MagickCore/module.h"
|
|
|
#include "MagickCore/monitor.h"
|
|
|
#include "MagickCore/monitor-private.h"
|
|
|
#include "MagickCore/quantum-private.h"
|
|
|
#include "MagickCore/quantum-private.h"
|
|
|
#include "MagickCore/static.h"
|
|
|
#include "MagickCore/string_.h"
|
|
|
#include "MagickCore/string-private.h"
|
|
|
|
|
|
/*
|
|
|
Forward declarations.
|
|
|
*/
|
|
|
static MagickBooleanType
|
|
|
WriteVICARImage(const ImageInfo *,Image *,ExceptionInfo *);
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% I s V I C A R %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% IsVICAR() returns MagickTrue if the image format type, identified by the
|
|
|
% magick string, is VICAR.
|
|
|
%
|
|
|
% The format of the IsVICAR method is:
|
|
|
%
|
|
|
% MagickBooleanType IsVICAR(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 IsVICAR(const unsigned char *magick,
|
|
|
const size_t length)
|
|
|
{
|
|
|
if (length < 14)
|
|
|
return(MagickFalse);
|
|
|
if (LocaleNCompare((const char *) magick,"LBLSIZE",7) == 0)
|
|
|
return(MagickTrue);
|
|
|
if (LocaleNCompare((const char *) magick,"NJPL1I",6) == 0)
|
|
|
return(MagickTrue);
|
|
|
if (LocaleNCompare((const char *) magick,"PDS_VERSION_ID",14) == 0)
|
|
|
return(MagickTrue);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% R e a d V I C A R I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% ReadVICARImage() reads a VICAR 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 ReadVICARImage method is:
|
|
|
%
|
|
|
% Image *ReadVICARImage(const ImageInfo *image_info,
|
|
|
% ExceptionInfo *exception)
|
|
|
%
|
|
|
% A description of each parameter follows:
|
|
|
%
|
|
|
% o image: Method ReadVICARImage returns a pointer to the image after
|
|
|
% reading. A null image is returned if there is a memory shortage or if
|
|
|
% the image cannot be read.
|
|
|
%
|
|
|
% o image_info: the image info.
|
|
|
%
|
|
|
% o exception: return any errors or warnings in this structure.
|
|
|
%
|
|
|
%
|
|
|
*/
|
|
|
static Image *ReadVICARImage(const ImageInfo *image_info,
|
|
|
ExceptionInfo *exception)
|
|
|
{
|
|
|
char
|
|
|
keyword[MagickPathExtent],
|
|
|
value[MagickPathExtent];
|
|
|
|
|
|
Image
|
|
|
*image;
|
|
|
|
|
|
int
|
|
|
c;
|
|
|
|
|
|
MagickBooleanType
|
|
|
status,
|
|
|
value_expected;
|
|
|
|
|
|
QuantumInfo
|
|
|
*quantum_info;
|
|
|
|
|
|
QuantumType
|
|
|
quantum_type;
|
|
|
|
|
|
Quantum
|
|
|
*q;
|
|
|
|
|
|
size_t
|
|
|
length;
|
|
|
|
|
|
ssize_t
|
|
|
count,
|
|
|
y;
|
|
|
|
|
|
unsigned char
|
|
|
*pixels;
|
|
|
|
|
|
/*
|
|
|
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);
|
|
|
}
|
|
|
/*
|
|
|
Decode image header.
|
|
|
*/
|
|
|
c=ReadBlobByte(image);
|
|
|
count=1;
|
|
|
if (c == EOF)
|
|
|
{
|
|
|
image=DestroyImage(image);
|
|
|
return((Image *) NULL);
|
|
|
}
|
|
|
length=0;
|
|
|
image->columns=0;
|
|
|
image->rows=0;
|
|
|
while (isgraph((int) ((unsigned char) c)) && ((image->columns == 0) || (image->rows == 0)))
|
|
|
{
|
|
|
if (isalnum((int) ((unsigned char) c)) == MagickFalse)
|
|
|
{
|
|
|
c=ReadBlobByte(image);
|
|
|
count++;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
char
|
|
|
*p;
|
|
|
|
|
|
/*
|
|
|
Determine a keyword and its value.
|
|
|
*/
|
|
|
p=keyword;
|
|
|
do
|
|
|
{
|
|
|
if ((size_t) (p-keyword) < (MagickPathExtent-1))
|
|
|
*p++=c;
|
|
|
c=ReadBlobByte(image);
|
|
|
count++;
|
|
|
} while (isalnum((int) ((unsigned char) c)) || (c == '_'));
|
|
|
*p='\0';
|
|
|
value_expected=MagickFalse;
|
|
|
while ((isspace((int) ((unsigned char) c)) != 0) || (c == '='))
|
|
|
{
|
|
|
if (c == '=')
|
|
|
value_expected=MagickTrue;
|
|
|
c=ReadBlobByte(image);
|
|
|
count++;
|
|
|
}
|
|
|
if (value_expected == MagickFalse)
|
|
|
continue;
|
|
|
p=value;
|
|
|
while (isalnum((int) ((unsigned char) c)))
|
|
|
{
|
|
|
if ((size_t) (p-value) < (MagickPathExtent-1))
|
|
|
*p++=c;
|
|
|
c=ReadBlobByte(image);
|
|
|
count++;
|
|
|
}
|
|
|
*p='\0';
|
|
|
/*
|
|
|
Assign a value to the specified keyword.
|
|
|
*/
|
|
|
if (LocaleCompare(keyword,"LABEL_RECORDS") == 0)
|
|
|
length*=(ssize_t) StringToLong(value);
|
|
|
if (LocaleCompare(keyword,"LBLSIZE") == 0)
|
|
|
length=(ssize_t) StringToLong(value);
|
|
|
if (LocaleCompare(keyword,"RECORD_BYTES") == 0)
|
|
|
{
|
|
|
image->columns=StringToUnsignedLong(value);
|
|
|
length=(ssize_t) image->columns;
|
|
|
}
|
|
|
if (LocaleCompare(keyword,"NS") == 0)
|
|
|
image->columns=StringToUnsignedLong(value);
|
|
|
if (LocaleCompare(keyword,"LINES") == 0)
|
|
|
image->rows=StringToUnsignedLong(value);
|
|
|
if (LocaleCompare(keyword,"NL") == 0)
|
|
|
image->rows=StringToUnsignedLong(value);
|
|
|
}
|
|
|
while (isspace((int) ((unsigned char) c)) != 0)
|
|
|
{
|
|
|
c=ReadBlobByte(image);
|
|
|
count++;
|
|
|
}
|
|
|
}
|
|
|
while (count < (ssize_t) length)
|
|
|
{
|
|
|
c=ReadBlobByte(image);
|
|
|
if (c == EOF)
|
|
|
break;
|
|
|
count++;
|
|
|
}
|
|
|
if ((image->columns == 0) || (image->rows == 0))
|
|
|
ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize");
|
|
|
image->depth=8;
|
|
|
if (image_info->ping != MagickFalse)
|
|
|
{
|
|
|
(void) CloseBlob(image);
|
|
|
return(GetFirstImageInList(image));
|
|
|
}
|
|
|
status=SetImageExtent(image,image->columns,image->rows,exception);
|
|
|
if (status == MagickFalse)
|
|
|
return(DestroyImageList(image));
|
|
|
/*
|
|
|
Read VICAR pixels.
|
|
|
*/
|
|
|
(void) SetImageColorspace(image,GRAYColorspace,exception);
|
|
|
quantum_type=GrayQuantum;
|
|
|
quantum_info=AcquireQuantumInfo(image_info,image);
|
|
|
if (quantum_info == (QuantumInfo *) NULL)
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
length=GetQuantumExtent(image,quantum_info,quantum_type);
|
|
|
pixels=GetQuantumPixels(quantum_info);
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
const void
|
|
|
*stream;
|
|
|
|
|
|
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
|
|
|
if (q == (Quantum *) NULL)
|
|
|
break;
|
|
|
stream=ReadBlobStream(image,length,pixels,&count);
|
|
|
if (count != (ssize_t) length)
|
|
|
break;
|
|
|
(void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
|
|
|
quantum_type,(unsigned char *) stream,exception);
|
|
|
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
|
|
break;
|
|
|
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
|
|
|
image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
SetQuantumImageType(image,quantum_type);
|
|
|
quantum_info=DestroyQuantumInfo(quantum_info);
|
|
|
if (EOFBlob(image) != MagickFalse)
|
|
|
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
|
|
|
image->filename);
|
|
|
(void) CloseBlob(image);
|
|
|
return(GetFirstImageInList(image));
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% R e g i s t e r V I C A R I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% RegisterVICARImage() adds attributes for the VICAR 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 RegisterVICARImage method is:
|
|
|
%
|
|
|
% size_t RegisterVICARImage(void)
|
|
|
%
|
|
|
*/
|
|
|
ModuleExport size_t RegisterVICARImage(void)
|
|
|
{
|
|
|
MagickInfo
|
|
|
*entry;
|
|
|
|
|
|
entry=AcquireMagickInfo("VICAR","VICAR","VICAR rasterfile format");
|
|
|
entry->decoder=(DecodeImageHandler *) ReadVICARImage;
|
|
|
entry->encoder=(EncodeImageHandler *) WriteVICARImage;
|
|
|
entry->magick=(IsImageFormatHandler *) IsVICAR;
|
|
|
entry->flags^=CoderAdjoinFlag;
|
|
|
(void) RegisterMagickInfo(entry);
|
|
|
return(MagickImageCoderSignature);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% U n r e g i s t e r V I C A R I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% UnregisterVICARImage() removes format registrations made by the
|
|
|
% VICAR module from the list of supported formats.
|
|
|
%
|
|
|
% The format of the UnregisterVICARImage method is:
|
|
|
%
|
|
|
% UnregisterVICARImage(void)
|
|
|
%
|
|
|
*/
|
|
|
ModuleExport void UnregisterVICARImage(void)
|
|
|
{
|
|
|
(void) UnregisterMagickInfo("VICAR");
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% W r i t e V I C A R I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% WriteVICARImage() writes an image in the VICAR rasterfile format.
|
|
|
% Vicar files contain a text header, followed by one or more planes of binary
|
|
|
% grayscale image data. Vicar files are designed to allow many planes to be
|
|
|
% stacked together to form image cubes. This method only writes a single
|
|
|
% grayscale plane.
|
|
|
%
|
|
|
% WriteVICARImage was written contributed by gorelick@esther.la.asu.edu.
|
|
|
%
|
|
|
% The format of the WriteVICARImage method is:
|
|
|
%
|
|
|
% MagickBooleanType WriteVICARImage(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 MagickBooleanType WriteVICARImage(const ImageInfo *image_info,
|
|
|
Image *image,ExceptionInfo *exception)
|
|
|
{
|
|
|
char
|
|
|
header[MagickPathExtent];
|
|
|
|
|
|
int
|
|
|
y;
|
|
|
|
|
|
MagickBooleanType
|
|
|
status;
|
|
|
|
|
|
QuantumInfo
|
|
|
*quantum_info;
|
|
|
|
|
|
const Quantum
|
|
|
*p;
|
|
|
|
|
|
size_t
|
|
|
length;
|
|
|
|
|
|
ssize_t
|
|
|
count;
|
|
|
|
|
|
unsigned char
|
|
|
*pixels;
|
|
|
|
|
|
/*
|
|
|
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);
|
|
|
(void) TransformImageColorspace(image,sRGBColorspace,exception);
|
|
|
/*
|
|
|
Write header.
|
|
|
*/
|
|
|
(void) memset(header,' ',MagickPathExtent);
|
|
|
(void) FormatLocaleString(header,MagickPathExtent,
|
|
|
"LBLSIZE=%.20g FORMAT='BYTE' TYPE='IMAGE' BUFSIZE=20000 DIM=2 EOL=0 "
|
|
|
"RECSIZE=%.20g ORG='BSQ' NL=%.20g NS=%.20g NB=1 N1=0 N2=0 N3=0 N4=0 NBB=0 "
|
|
|
"NLB=0 TASK='ImageMagick'",(double) MagickPathExtent,(double) image->columns,
|
|
|
(double) image->rows,(double) image->columns);
|
|
|
(void) WriteBlob(image,MagickPathExtent,(unsigned char *) header);
|
|
|
/*
|
|
|
Write VICAR pixels.
|
|
|
*/
|
|
|
image->depth=8;
|
|
|
quantum_info=AcquireQuantumInfo(image_info,image);
|
|
|
if (quantum_info == (QuantumInfo *) NULL)
|
|
|
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
pixels=(unsigned char *) GetQuantumPixels(quantum_info);
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
|
|
|
GrayQuantum,pixels,exception);
|
|
|
count=WriteBlob(image,length,pixels);
|
|
|
if (count != (ssize_t) length)
|
|
|
break;
|
|
|
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
|
|
|
image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
quantum_info=DestroyQuantumInfo(quantum_info);
|
|
|
(void) CloseBlob(image);
|
|
|
return(MagickTrue);
|
|
|
}
|
