|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% H H RRRR ZZZZZ %
|
|
|
% H H R R ZZ %
|
|
|
% HHHHH RRRR Z %
|
|
|
% H H R R ZZ %
|
|
|
% H H R R ZZZZZ %
|
|
|
% %
|
|
|
% %
|
|
|
% Read/Write Slow Scan TeleVision Image 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/blob.h"
|
|
|
#include "MagickCore/blob-private.h"
|
|
|
#include "MagickCore/cache.h"
|
|
|
#include "MagickCore/colorspace.h"
|
|
|
#include "MagickCore/colorspace-private.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/monitor.h"
|
|
|
#include "MagickCore/monitor-private.h"
|
|
|
#include "MagickCore/pixel-accessor.h"
|
|
|
#include "MagickCore/quantum-private.h"
|
|
|
#include "MagickCore/static.h"
|
|
|
#include "MagickCore/string_.h"
|
|
|
#include "MagickCore/module.h"
|
|
|
|
|
|
/*
|
|
|
Forward declarations.
|
|
|
*/
|
|
|
static MagickBooleanType
|
|
|
WriteHRZImage(const ImageInfo *,Image *,ExceptionInfo *);
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% R e a d H R Z I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% ReadHRZImage() reads a Slow Scan TeleVision 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 ReadHRZImage method is:
|
|
|
%
|
|
|
% Image *ReadHRZImage(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 *ReadHRZImage(const ImageInfo *image_info,ExceptionInfo *exception)
|
|
|
{
|
|
|
Image
|
|
|
*image;
|
|
|
|
|
|
MagickBooleanType
|
|
|
status;
|
|
|
|
|
|
ssize_t
|
|
|
x;
|
|
|
|
|
|
Quantum
|
|
|
*q;
|
|
|
|
|
|
unsigned char
|
|
|
*p;
|
|
|
|
|
|
ssize_t
|
|
|
count,
|
|
|
y;
|
|
|
|
|
|
size_t
|
|
|
length;
|
|
|
|
|
|
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);
|
|
|
}
|
|
|
/*
|
|
|
Convert HRZ raster image to pixel packets.
|
|
|
*/
|
|
|
image->columns=256;
|
|
|
image->rows=240;
|
|
|
image->depth=8;
|
|
|
status=SetImageExtent(image,image->columns,image->rows,exception);
|
|
|
if (status == MagickFalse)
|
|
|
return(DestroyImageList(image));
|
|
|
pixels=(unsigned char *) AcquireQuantumMemory(image->columns,3*
|
|
|
sizeof(*pixels));
|
|
|
if (pixels == (unsigned char *) NULL)
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
length=(size_t) (3*image->columns);
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
count=ReadBlob(image,length,pixels);
|
|
|
if ((size_t) count != length)
|
|
|
{
|
|
|
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
|
|
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
|
|
|
}
|
|
|
p=pixels;
|
|
|
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
|
|
|
if (q == (Quantum *) NULL)
|
|
|
break;
|
|
|
for (x=0; x < (ssize_t) image->columns; x++)
|
|
|
{
|
|
|
SetPixelRed(image,ScaleCharToQuantum(4**p++),q);
|
|
|
SetPixelGreen(image,ScaleCharToQuantum(4**p++),q);
|
|
|
SetPixelBlue(image,ScaleCharToQuantum(4**p++),q);
|
|
|
SetPixelAlpha(image,OpaqueAlpha,q);
|
|
|
q+=GetPixelChannels(image);
|
|
|
}
|
|
|
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
|
|
break;
|
|
|
if (SetImageProgress(image,LoadImageTag,y,image->rows) == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
|
|
if (EOFBlob(image) != MagickFalse)
|
|
|
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
|
|
|
image->filename);
|
|
|
(void) CloseBlob(image);
|
|
|
return(GetFirstImageInList(image));
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% R e g i s t e r H R Z I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% RegisterHRZImage() adds attributes for the HRZ 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.
|
|
|
%
|
|
|
% The format of the RegisterHRZImage method is:
|
|
|
%
|
|
|
% size_t RegisterHRZImage(void)
|
|
|
%
|
|
|
*/
|
|
|
ModuleExport size_t RegisterHRZImage(void)
|
|
|
{
|
|
|
MagickInfo
|
|
|
*entry;
|
|
|
|
|
|
entry=AcquireMagickInfo("HRZ","HRZ","Slow Scan TeleVision");
|
|
|
entry->decoder=(DecodeImageHandler *) ReadHRZImage;
|
|
|
entry->encoder=(EncodeImageHandler *) WriteHRZImage;
|
|
|
entry->flags^=CoderAdjoinFlag;
|
|
|
(void) RegisterMagickInfo(entry);
|
|
|
return(MagickImageCoderSignature);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% U n r e g i s t e r H R Z I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% UnregisterHRZImage() removes format registrations made by the
|
|
|
% HRZ module from the list of supported formats.
|
|
|
%
|
|
|
% The format of the UnregisterHRZImage method is:
|
|
|
%
|
|
|
% UnregisterHRZImage(void)
|
|
|
%
|
|
|
*/
|
|
|
ModuleExport void UnregisterHRZImage(void)
|
|
|
{
|
|
|
(void) UnregisterMagickInfo("HRZ");
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% W r i t e H R Z I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% WriteHRZImage() writes an image to a file in HRZ X image format.
|
|
|
%
|
|
|
% The format of the WriteHRZImage method is:
|
|
|
%
|
|
|
% MagickBooleanType WriteHRZImage(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 WriteHRZImage(const ImageInfo *image_info,Image *image,
|
|
|
ExceptionInfo *exception)
|
|
|
{
|
|
|
Image
|
|
|
*hrz_image;
|
|
|
|
|
|
MagickBooleanType
|
|
|
status;
|
|
|
|
|
|
const Quantum
|
|
|
*p;
|
|
|
|
|
|
ssize_t
|
|
|
x,
|
|
|
y;
|
|
|
|
|
|
unsigned char
|
|
|
*q;
|
|
|
|
|
|
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);
|
|
|
hrz_image=ResizeImage(image,256,240,image->filter,exception);
|
|
|
if (hrz_image == (Image *) NULL)
|
|
|
return(MagickFalse);
|
|
|
(void) TransformImageColorspace(hrz_image,sRGBColorspace,exception);
|
|
|
/*
|
|
|
Allocate memory for pixels.
|
|
|
*/
|
|
|
pixels=(unsigned char *) AcquireQuantumMemory((size_t) hrz_image->columns,
|
|
|
3*sizeof(*pixels));
|
|
|
if (pixels == (unsigned char *) NULL)
|
|
|
{
|
|
|
hrz_image=DestroyImage(hrz_image);
|
|
|
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
}
|
|
|
/*
|
|
|
Convert MIFF to HRZ raster pixels.
|
|
|
*/
|
|
|
for (y=0; y < (ssize_t) hrz_image->rows; y++)
|
|
|
{
|
|
|
p=GetVirtualPixels(hrz_image,0,y,hrz_image->columns,1,exception);
|
|
|
if (p == (const Quantum *) NULL)
|
|
|
break;
|
|
|
q=pixels;
|
|
|
for (x=0; x < (ssize_t) hrz_image->columns; x++)
|
|
|
{
|
|
|
*q++=ScaleQuantumToChar(GetPixelRed(hrz_image,p)/4);
|
|
|
*q++=ScaleQuantumToChar(GetPixelGreen(hrz_image,p)/4);
|
|
|
*q++=ScaleQuantumToChar(GetPixelBlue(hrz_image,p)/4);
|
|
|
p+=GetPixelChannels(hrz_image);
|
|
|
}
|
|
|
count=WriteBlob(image,(size_t) (q-pixels),pixels);
|
|
|
if (count != (ssize_t) (q-pixels))
|
|
|
break;
|
|
|
status=SetImageProgress(image,SaveImageTag,y,hrz_image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
pixels=(unsigned char *) RelinquishMagickMemory(pixels);
|
|
|
hrz_image=DestroyImage(hrz_image);
|
|
|
(void) CloseBlob(image);
|
|
|
return(MagickTrue);
|
|
|
}
|
