coders/fl32.c - platform/external/ImageMagick - Git at Google

 /*
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %                                                                             %
 %                                                                             %
 %                                                                             %
 %                                                                             %
 %                         FFFFF  L      IIIII  FFFFF                          %
 %                         F      L        I    F                              %
 %                         FFF    L        I    FFF                            %
 %                         F      L        I    F                              %
 %                         F      LLLLL  IIIII  F                              %
 %                                                                             %
 %                                                                             %
 %                       Support FilmLight Image Format                        %
 %                                                                             %
 %                              Software Design                                %
 %                                   Cristy                                    %
 %                               November 2020                                 %
 %                                                                             %
 %                                                                             %
 %  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/color-private.h"
 #include "MagickCore/colormap.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/quantum-private.h"
 #include "MagickCore/static.h"
 #include "MagickCore/string_.h"
 #include "MagickCore/module.h"

 /*
   Forward declarations.
 */
 static MagickBooleanType
   WriteFL32Image(const ImageInfo *,Image *,ExceptionInfo *);

 /*
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %                                                                             %
 %                                                                             %
 %                                                                             %
 %   I s F L 3 2                                                               %
 %                                                                             %
 %                                                                             %
 %                                                                             %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %
 %  IsFL32() returns MagickTrue if the image format type, identified by the
 %  magick string, is FL32.
 %
 %  The format of the IsFL32 method is:
 %
 %      MagickBooleanType IsFL32(const unsigned char *magick,const size_t extent)
 %
 %  A description of each parameter follows:
 %
 %    o magick: compare image format pattern against these bytes.
 %
 %    o extent: Specifies the extent of the magick string.
 %
 */
 static MagickBooleanType IsFL32(const unsigned char *magick,const size_t extent)
 {
   if (extent < 4)
     return(MagickFalse);
   if (LocaleNCompare((char *) magick,"FL32",4) == 0)
     return(MagickTrue);
   return(MagickFalse);
 }

 /*
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %                                                                             %
 %                                                                             %
 %                                                                             %
 %   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);
 }
	/*
	%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	% %
	% %
	% %
	% %
	% FFFFF L IIIII FFFFF %
	% F L I F %
	% FFF L I FFF %
	% F L I F %
	% F LLLLL IIIII F %
	% %
	% %
	% Support FilmLight Image Format %
	% %
	% Software Design %
	% Cristy %
	% November 2020 %
	% %
	% %
	% 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/color-private.h"
	#include "MagickCore/colormap.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/quantum-private.h"
	#include "MagickCore/static.h"
	#include "MagickCore/string_.h"
	#include "MagickCore/module.h"

	/*
	Forward declarations.
	*/
	static MagickBooleanType
	WriteFL32Image(const ImageInfo ,Image ,ExceptionInfo *);

	/*
	%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	% %
	% %
	% %
	% I s F L 3 2 %
	% %
	% %
	% %
	%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	%
	% IsFL32() returns MagickTrue if the image format type, identified by the
	% magick string, is FL32.
	%
	% The format of the IsFL32 method is:
	%
	% MagickBooleanType IsFL32(const unsigned char *magick,const size_t extent)
	%
	% A description of each parameter follows:
	%
	% o magick: compare image format pattern against these bytes.
	%
	% o extent: Specifies the extent of the magick string.
	%
	*/
	static MagickBooleanType IsFL32(const unsigned char *magick,const size_t extent)
	{
	if (extent < 4)
	return(MagickFalse);
	if (LocaleNCompare((char *) magick,"FL32",4) == 0)
	return(MagickTrue);
	return(MagickFalse);
	}

	/*
	%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
	% %
	% %
	% %
	% 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);
	}