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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% %
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% FFFFF L IIIII FFFFF %
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% F L I F %
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% FFF L I FFF %
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% F L I F %
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% F LLLLL IIIII F %
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% %
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% %
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% Support FilmLight Image Format %
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% %
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% Software Design %
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% Cristy %
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% November 2020 %
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% %
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% %
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% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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% https://imagemagick.org/script/license.php %
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% %
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|
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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%
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*/
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/*
|
|
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Include declarations.
|
|
|
*/
|
|
|
#include "MagickCore/studio.h"
|
|
|
#include "MagickCore/attribute.h"
|
|
|
#include "MagickCore/blob.h"
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|
#include "MagickCore/blob-private.h"
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#include "MagickCore/cache.h"
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|
|
#include "MagickCore/color-private.h"
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#include "MagickCore/colormap.h"
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#include "MagickCore/colorspace.h"
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#include "MagickCore/colorspace-private.h"
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#include "MagickCore/exception.h"
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#include "MagickCore/exception-private.h"
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#include "MagickCore/image.h"
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#include "MagickCore/image-private.h"
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|
#include "MagickCore/list.h"
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|
|
#include "MagickCore/magick.h"
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|
|
#include "MagickCore/memory_.h"
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|
|
#include "MagickCore/monitor.h"
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|
|
#include "MagickCore/monitor-private.h"
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#include "MagickCore/quantum-private.h"
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#include "MagickCore/static.h"
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#include "MagickCore/string_.h"
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|
|
#include "MagickCore/module.h"
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|
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/*
|
|
|
Forward declarations.
|
|
|
*/
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|
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static MagickBooleanType
|
|
|
WriteFL32Image(const ImageInfo *,Image *,ExceptionInfo *);
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|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
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% %
|
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|
% %
|
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|
% %
|
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|
% I s F L 3 2 %
|
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% %
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|
|
% %
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|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
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|
%
|
|
|
% IsFL32() returns MagickTrue if the image format type, identified by the
|
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|
% magick string, is FL32.
|
|
|
%
|
|
|
% The format of the IsFL32 method is:
|
|
|
%
|
|
|
% MagickBooleanType IsFL32(const unsigned char *magick,const size_t extent)
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|
%
|
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|
% A description of each parameter follows:
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|
%
|
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|
% o magick: compare image format pattern against these bytes.
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|
%
|
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|
% o extent: Specifies the extent of the magick string.
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|
%
|
|
|
*/
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|
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static MagickBooleanType IsFL32(const unsigned char *magick,const size_t extent)
|
|
|
{
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|
|
if (extent < 4)
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|
|
return(MagickFalse);
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|
|
if (LocaleNCompare((char *) magick,"FL32",4) == 0)
|
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|
return(MagickTrue);
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|
return(MagickFalse);
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|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% R e a d F L 3 2 I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% ReadFL32Image() reads an image of raw bits in LSB order 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 ReadFL32Image method is:
|
|
|
%
|
|
|
% Image *ReadFL32Image(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 *ReadFL32Image(const ImageInfo *image_info,
|
|
|
ExceptionInfo *exception)
|
|
|
{
|
|
|
Image
|
|
|
*image;
|
|
|
|
|
|
QuantumInfo
|
|
|
*quantum_info;
|
|
|
|
|
|
QuantumType
|
|
|
quantum_type;
|
|
|
|
|
|
MagickBooleanType
|
|
|
status;
|
|
|
|
|
|
size_t
|
|
|
extent;
|
|
|
|
|
|
ssize_t
|
|
|
count,
|
|
|
y;
|
|
|
|
|
|
unsigned char
|
|
|
*pixels;
|
|
|
|
|
|
unsigned int
|
|
|
magic;
|
|
|
|
|
|
/*
|
|
|
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);
|
|
|
}
|
|
|
magic=ReadBlobLSBLong(image);
|
|
|
if (magic != 842222662)
|
|
|
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
|
|
image->depth=32;
|
|
|
image->endian=LSBEndian;
|
|
|
image->rows=(size_t) ReadBlobLSBLong(image);
|
|
|
image->columns=(size_t) ReadBlobLSBLong(image);
|
|
|
image->number_channels=(size_t) ReadBlobLSBLong(image);
|
|
|
if ((image->columns == 0) || (image->rows == 0) ||
|
|
|
(image->number_channels == 0) ||
|
|
|
(image->number_channels >= MaxPixelChannels))
|
|
|
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
|
|
if (image_info->ping != MagickFalse)
|
|
|
{
|
|
|
(void) CloseBlob(image);
|
|
|
return(GetFirstImageInList(image));
|
|
|
}
|
|
|
switch (image->number_channels)
|
|
|
{
|
|
|
case 1:
|
|
|
{
|
|
|
image->colorspace=GRAYColorspace;
|
|
|
quantum_type=GrayQuantum;
|
|
|
break;
|
|
|
}
|
|
|
case 2:
|
|
|
{
|
|
|
image->colorspace=GRAYColorspace;
|
|
|
image->alpha_trait=BlendPixelTrait;
|
|
|
quantum_type=GrayAlphaQuantum;
|
|
|
break;
|
|
|
}
|
|
|
case 3:
|
|
|
{
|
|
|
quantum_type=RGBQuantum;
|
|
|
break;
|
|
|
}
|
|
|
case 4:
|
|
|
{
|
|
|
image->alpha_trait=BlendPixelTrait;
|
|
|
quantum_type=RGBAQuantum;
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
{
|
|
|
quantum_type=RGBQuantum;
|
|
|
image->number_meta_channels=image->number_channels-3;
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
status=SetImageExtent(image,image->columns,image->rows,exception);
|
|
|
if (status == MagickFalse)
|
|
|
return(DestroyImageList(image));
|
|
|
/*
|
|
|
Convert FL32 image to pixel packets.
|
|
|
*/
|
|
|
quantum_info=AcquireQuantumInfo(image_info,image);
|
|
|
if (quantum_info == (QuantumInfo *) NULL)
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
status=SetQuantumFormat(image,quantum_info,FloatingPointQuantumFormat);
|
|
|
extent=GetQuantumExtent(image,quantum_info,quantum_type);
|
|
|
pixels=GetQuantumPixels(quantum_info);
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
const void
|
|
|
*stream;
|
|
|
|
|
|
Quantum
|
|
|
*magick_restrict q;
|
|
|
|
|
|
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
|
|
|
if (q == (Quantum *) NULL)
|
|
|
break;
|
|
|
stream=ReadBlobStream(image,extent,pixels,&count);
|
|
|
if (count != (ssize_t) extent)
|
|
|
break;
|
|
|
(void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
|
|
|
quantum_type,(unsigned char *) stream,exception);
|
|
|
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
|
|
break;
|
|
|
if (SetImageProgress(image,LoadImageTag,y,image->rows) == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
SetQuantumImageType(image,quantum_type);
|
|
|
quantum_info=DestroyQuantumInfo(quantum_info);
|
|
|
if (y < (ssize_t) image->rows)
|
|
|
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
|
|
|
if (EOFBlob(image) != MagickFalse)
|
|
|
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
|
|
|
image->filename);
|
|
|
(void) CloseBlob(image);
|
|
|
return(GetFirstImageInList(image));
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% R e g i s t e r F L 3 2 I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% RegisterFL32Image() adds attributes for the FL32 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 RegisterFL32Image method is:
|
|
|
%
|
|
|
% size_t RegisterFL32Image(void)
|
|
|
%
|
|
|
*/
|
|
|
ModuleExport size_t RegisterFL32Image(void)
|
|
|
{
|
|
|
MagickInfo
|
|
|
*entry;
|
|
|
|
|
|
entry=AcquireMagickInfo("FL32","FL32","FilmLight");
|
|
|
entry->decoder=(DecodeImageHandler *) ReadFL32Image;
|
|
|
entry->encoder=(EncodeImageHandler *) WriteFL32Image;
|
|
|
entry->magick=(IsImageFormatHandler *) IsFL32;
|
|
|
entry->flags|=CoderRawSupportFlag;
|
|
|
entry->flags^=CoderAdjoinFlag;
|
|
|
(void) RegisterMagickInfo(entry);
|
|
|
return(MagickImageCoderSignature);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% U n r e g i s t e r F L 3 2 I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% UnregisterFL32Image() removes format registrations made by the
|
|
|
% FL32 module from the list of supported formats.
|
|
|
%
|
|
|
% The format of the UnregisterFL32Image method is:
|
|
|
%
|
|
|
% UnregisterFL32Image(void)
|
|
|
%
|
|
|
*/
|
|
|
ModuleExport void UnregisterFL32Image(void)
|
|
|
{
|
|
|
(void) UnregisterMagickInfo("FL32");
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% W r i t e F L 3 2 I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% WriteFL32Image() writes an image of raw bits in LSB order to a file.
|
|
|
%
|
|
|
% The format of the WriteFL32Image method is:
|
|
|
%
|
|
|
% MagickBooleanType WriteFL32Image(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 WriteFL32Image(const ImageInfo *image_info,
|
|
|
Image *image,ExceptionInfo *exception)
|
|
|
{
|
|
|
MagickBooleanType
|
|
|
status;
|
|
|
|
|
|
QuantumInfo
|
|
|
*quantum_info;
|
|
|
|
|
|
QuantumType
|
|
|
quantum_type;
|
|
|
|
|
|
const Quantum
|
|
|
*p;
|
|
|
|
|
|
size_t
|
|
|
extent;
|
|
|
|
|
|
ssize_t
|
|
|
count,
|
|
|
y;
|
|
|
|
|
|
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) WriteBlobLSBLong(image,842222662U);
|
|
|
(void) WriteBlobLSBLong(image,(unsigned int) image->rows);
|
|
|
(void) WriteBlobLSBLong(image,(unsigned int) image->columns);
|
|
|
(void) WriteBlobLSBLong(image,(unsigned int) image->number_channels);
|
|
|
image->endian=LSBEndian;
|
|
|
image->depth=32;
|
|
|
switch (image->number_channels)
|
|
|
{
|
|
|
case 1:
|
|
|
{
|
|
|
quantum_type=GrayQuantum;
|
|
|
break;
|
|
|
}
|
|
|
case 2:
|
|
|
{
|
|
|
quantum_type=GrayAlphaQuantum;
|
|
|
break;
|
|
|
}
|
|
|
case 3:
|
|
|
{
|
|
|
quantum_type=RGBQuantum;
|
|
|
break;
|
|
|
}
|
|
|
case 4:
|
|
|
{
|
|
|
quantum_type=RGBAQuantum;
|
|
|
break;
|
|
|
}
|
|
|
default:
|
|
|
{
|
|
|
quantum_type=RGBQuantum;
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
quantum_info=AcquireQuantumInfo(image_info,image);
|
|
|
if (quantum_info == (QuantumInfo *) NULL)
|
|
|
ThrowWriterException(ImageError,"MemoryAllocationFailed");
|
|
|
status=SetQuantumFormat(image,quantum_info,FloatingPointQuantumFormat);
|
|
|
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;
|
|
|
extent=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info,
|
|
|
quantum_type,pixels,exception);
|
|
|
count=WriteBlob(image,extent,pixels);
|
|
|
if (count != (ssize_t) extent)
|
|
|
break;
|
|
|
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
|
|
|
image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
quantum_info=DestroyQuantumInfo(quantum_info);
|
|
|
if (y < (ssize_t) image->rows)
|
|
|
ThrowWriterException(CorruptImageError,"UnableToWriteImageData");
|
|
|
(void) CloseBlob(image);
|
|
|
return(status);
|
|
|
}
|
