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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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% Read/Write Free Lossless Image Format %
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% %
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% Software Design %
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% Jon Sneyers %
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% April 2016 %
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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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% 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.
|
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|
*/
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#include "MagickCore/studio.h"
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#include "MagickCore/artifact.h"
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#include "MagickCore/blob.h"
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#include "MagickCore/blob-private.h"
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#include "MagickCore/client.h"
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#include "MagickCore/colorspace-private.h"
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#include "MagickCore/display.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/monitor.h"
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#include "MagickCore/monitor-private.h"
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#include "MagickCore/memory_.h"
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|
#include "MagickCore/option.h"
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#include "MagickCore/pixel-accessor.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/string-private.h"
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#include "MagickCore/module.h"
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#include "MagickCore/utility.h"
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#include "MagickCore/xwindow.h"
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#include "MagickCore/xwindow-private.h"
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#if defined(MAGICKCORE_FLIF_DELEGATE)
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#include <flif.h>
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|
#endif
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|
|
|
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/*
|
|
|
Forward declarations.
|
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|
*/
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#if defined(MAGICKCORE_FLIF_DELEGATE)
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static MagickBooleanType
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WriteFLIFImage(const ImageInfo *,Image *,ExceptionInfo *);
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#endif
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#if defined(MAGICKCORE_FLIF_DELEGATE)
|
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|
/*
|
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|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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|
% R e a d F L I F I m a g e %
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|
% %
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|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
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%
|
|
|
% ReadFLIFImage() reads an image in the FLIF image format.
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|
%
|
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|
% The format of the ReadFLIFImage method is:
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|
%
|
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% Image *ReadFLIFImage(const ImageInfo *image_info,
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% ExceptionInfo *exception)
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%
|
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|
% A description of each parameter follows:
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%
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% o image_info: the image info.
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%
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% o exception: return any errors or warnings in this structure.
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%
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*/
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static Image *ReadFLIFImage(const ImageInfo *image_info,
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|
ExceptionInfo *exception)
|
|
|
{
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FLIF_DECODER
|
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|
*flifdec;
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FLIF_IMAGE
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*flifimage;
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Image
|
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*image;
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MagickBooleanType
|
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|
status;
|
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|
Quantum
|
|
|
*q;
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|
ssize_t
|
|
|
x;
|
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|
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|
unsigned short
|
|
|
*p;
|
|
|
|
|
|
size_t
|
|
|
count,
|
|
|
image_count,
|
|
|
length;
|
|
|
|
|
|
ssize_t
|
|
|
y;
|
|
|
|
|
|
unsigned char
|
|
|
*stream;
|
|
|
|
|
|
unsigned short
|
|
|
*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);
|
|
|
}
|
|
|
length=(size_t) GetBlobSize(image);
|
|
|
stream=(unsigned char *) AcquireQuantumMemory(length,sizeof(*stream));
|
|
|
if (stream == (unsigned char *) NULL)
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
count=ReadBlob(image,length,stream);
|
|
|
if (count != length)
|
|
|
{
|
|
|
stream=(unsigned char *) RelinquishMagickMemory(stream);
|
|
|
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
|
|
|
}
|
|
|
flifdec=flif_create_decoder();
|
|
|
if (image_info->quality != UndefinedCompressionQuality)
|
|
|
flif_decoder_set_quality(flifdec,(int32_t) image_info->quality);
|
|
|
if (!flif_decoder_decode_memory(flifdec,stream,length))
|
|
|
{
|
|
|
flif_destroy_decoder(flifdec);
|
|
|
ThrowReaderException(CorruptImageError,"CorruptImage");
|
|
|
}
|
|
|
image_count=flif_decoder_num_images(flifdec);
|
|
|
flifimage=flif_decoder_get_image(flifdec,0);
|
|
|
length=sizeof(unsigned short)*4*flif_image_get_width(flifimage);
|
|
|
pixels=(unsigned short *) AcquireQuantumMemory(1,length);
|
|
|
if (pixels == (unsigned short *) NULL)
|
|
|
{
|
|
|
flif_destroy_decoder(flifdec);
|
|
|
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
}
|
|
|
|
|
|
for (count=0; count < image_count; count++)
|
|
|
{
|
|
|
if (count > 0)
|
|
|
{
|
|
|
/*
|
|
|
Allocate next image structure.
|
|
|
*/
|
|
|
AcquireNextImage(image_info,image,exception);
|
|
|
if (GetNextImageInList(image) == (Image *) NULL)
|
|
|
{
|
|
|
status=MagickFalse;
|
|
|
break;
|
|
|
}
|
|
|
image=SyncNextImageInList(image);
|
|
|
}
|
|
|
flifimage=flif_decoder_get_image(flifdec,count);
|
|
|
image->columns=(size_t) flif_image_get_width(flifimage);
|
|
|
image->rows=(size_t) flif_image_get_height(flifimage);
|
|
|
image->depth=flif_image_get_depth(flifimage);
|
|
|
image->alpha_trait=(flif_image_get_nb_channels(flifimage) > 3 ?
|
|
|
BlendPixelTrait : UndefinedPixelTrait);
|
|
|
image->delay=flif_image_get_frame_delay(flifimage);
|
|
|
image->ticks_per_second=1000;
|
|
|
image->scene=count;
|
|
|
image->dispose=BackgroundDispose;
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
flif_image_read_row_RGBA16(flifimage,y,pixels,length);
|
|
|
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,ScaleShortToQuantum(*p++),q);
|
|
|
SetPixelGreen(image,ScaleShortToQuantum(*p++),q);
|
|
|
SetPixelBlue(image,ScaleShortToQuantum(*p++),q);
|
|
|
SetPixelAlpha(image,ScaleShortToQuantum(*p++),q);
|
|
|
q+=GetPixelChannels(image);
|
|
|
}
|
|
|
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
|
|
break;
|
|
|
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
|
|
|
image->rows);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
flif_destroy_decoder(flifdec);
|
|
|
pixels=(unsigned short *) RelinquishMagickMemory(pixels);
|
|
|
if (status == MagickFalse)
|
|
|
return(DestroyImageList(image));
|
|
|
return(image);
|
|
|
}
|
|
|
#endif
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% I s F L I F %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% IsFLIF() returns MagickTrue if the image format type, identified by the
|
|
|
% magick string, is FLIF.
|
|
|
%
|
|
|
% The format of the IsFLIF method is:
|
|
|
%
|
|
|
% MagickBooleanType IsFLIF(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 IsFLIF(const unsigned char *magick,
|
|
|
const size_t length)
|
|
|
{
|
|
|
if (length < 4)
|
|
|
return(MagickFalse);
|
|
|
if (LocaleNCompare((char *) magick,"FLIF",4) == 0)
|
|
|
return(MagickTrue);
|
|
|
return(MagickFalse);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% R e g i s t e r F L I F I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% RegisterFLIFImage() adds attributes for the FLIF 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 RegisterFLIFImage method is:
|
|
|
%
|
|
|
% size_t RegisterFLIFImage(void)
|
|
|
%
|
|
|
*/
|
|
|
ModuleExport size_t RegisterFLIFImage(void)
|
|
|
{
|
|
|
char
|
|
|
version[MagickPathExtent];
|
|
|
|
|
|
MagickInfo
|
|
|
*entry;
|
|
|
|
|
|
*version='\0';
|
|
|
entry=AcquireMagickInfo("FLIF","FLIF","Free Lossless Image Format");
|
|
|
#if defined(MAGICKCORE_FLIF_DELEGATE)
|
|
|
entry->decoder=(DecodeImageHandler *) ReadFLIFImage;
|
|
|
entry->encoder=(EncodeImageHandler *) WriteFLIFImage;
|
|
|
(void) FormatLocaleString(version,MagickPathExtent,"libflif %d.%d.%d [%04X]",
|
|
|
(FLIF_VERSION >> 16) & 0xff,
|
|
|
(FLIF_VERSION >> 8) & 0xff,
|
|
|
(FLIF_VERSION >> 0) & 0xff,FLIF_ABI_VERSION);
|
|
|
#endif
|
|
|
entry->mime_type=ConstantString("image/flif");
|
|
|
entry->magick=(IsImageFormatHandler *) IsFLIF;
|
|
|
if (*version != '\0')
|
|
|
entry->version=ConstantString(version);
|
|
|
(void) RegisterMagickInfo(entry);
|
|
|
return(MagickImageCoderSignature);
|
|
|
}
|
|
|
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% U n r e g i s t e r F L I F I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% UnregisterFLIFImage() removes format registrations made by the FLIF module
|
|
|
% from the list of supported formats.
|
|
|
%
|
|
|
% The format of the UnregisterFLIFImage method is:
|
|
|
%
|
|
|
% UnregisterFLIFImage(void)
|
|
|
%
|
|
|
*/
|
|
|
ModuleExport void UnregisterFLIFImage(void)
|
|
|
{
|
|
|
(void) UnregisterMagickInfo("FLIF");
|
|
|
}
|
|
|
|
|
|
#if defined(MAGICKCORE_FLIF_DELEGATE)
|
|
|
/*
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
% W r i t e F L I F I m a g e %
|
|
|
% %
|
|
|
% %
|
|
|
% %
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
%
|
|
|
% WriteFLIFImage() writes an image in the FLIF image format.
|
|
|
%
|
|
|
% The format of the WriteFLIFImage method is:
|
|
|
%
|
|
|
% MagickBooleanType WriteFLIFImage(const ImageInfo *image_info,
|
|
|
% Image *image)
|
|
|
%
|
|
|
% A description of each parameter follows.
|
|
|
%
|
|
|
% o image_info: the image info.
|
|
|
%
|
|
|
% o image: The image.
|
|
|
%
|
|
|
*/
|
|
|
static MagickBooleanType WriteFLIFImage(const ImageInfo *image_info,
|
|
|
Image *image, ExceptionInfo *exception)
|
|
|
{
|
|
|
FLIF_ENCODER
|
|
|
*flifenc;
|
|
|
|
|
|
FLIF_IMAGE
|
|
|
*flifimage;
|
|
|
|
|
|
int
|
|
|
flif_status;
|
|
|
|
|
|
MagickBooleanType
|
|
|
status;
|
|
|
|
|
|
MagickOffsetType
|
|
|
scene;
|
|
|
|
|
|
const Quantum
|
|
|
*magick_restrict p;
|
|
|
|
|
|
ssize_t
|
|
|
x;
|
|
|
|
|
|
unsigned char
|
|
|
*magick_restrict qc;
|
|
|
|
|
|
unsigned short
|
|
|
*magick_restrict qs;
|
|
|
|
|
|
size_t
|
|
|
columns,
|
|
|
imageListLength,
|
|
|
length,
|
|
|
rows;
|
|
|
|
|
|
ssize_t
|
|
|
y;
|
|
|
|
|
|
void
|
|
|
*buffer;
|
|
|
|
|
|
void
|
|
|
*pixels;
|
|
|
|
|
|
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);
|
|
|
if ((image->columns > 0xFFFF) || (image->rows > 0xFFFF))
|
|
|
ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
|
|
|
status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
|
|
|
if (status == MagickFalse)
|
|
|
return(status);
|
|
|
flifenc=flif_create_encoder();
|
|
|
if (image_info->quality != UndefinedCompressionQuality)
|
|
|
flif_encoder_set_lossy(flifenc,3*(100-(int32_t) image_info->quality));
|
|
|
|
|
|
/* relatively fast encoding */
|
|
|
flif_encoder_set_learn_repeat(flifenc,1);
|
|
|
flif_encoder_set_split_threshold(flifenc,5461*8*5);
|
|
|
|
|
|
columns=image->columns;
|
|
|
rows=image->rows;
|
|
|
|
|
|
/* Convert image to FLIFIMAGE */
|
|
|
if (image->depth > 8)
|
|
|
{
|
|
|
flifimage=flif_create_image_HDR((uint32_t) image->columns,
|
|
|
(uint32_t) image->rows);
|
|
|
length=sizeof(unsigned short)*4*image->columns;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
flifimage=flif_create_image((uint32_t) image->columns,
|
|
|
(uint32_t) image->rows);
|
|
|
length=sizeof(unsigned char)*4*image->columns;
|
|
|
}
|
|
|
if (flifimage == (FLIF_IMAGE *) NULL)
|
|
|
{
|
|
|
flif_destroy_encoder(flifenc);
|
|
|
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
}
|
|
|
pixels=AcquireMagickMemory(length);
|
|
|
if (pixels == (void *) NULL)
|
|
|
{
|
|
|
flif_destroy_image(flifimage);
|
|
|
flif_destroy_encoder(flifenc);
|
|
|
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
|
|
|
}
|
|
|
scene=0;
|
|
|
imageListLength=GetImageListLength(image);
|
|
|
do
|
|
|
{
|
|
|
for (y=0; y < (ssize_t) image->rows; y++)
|
|
|
{
|
|
|
p=GetVirtualPixels(image,0,y,image->columns,1,exception);
|
|
|
if (p == (Quantum *) NULL)
|
|
|
break;
|
|
|
|
|
|
if (image->depth > 8)
|
|
|
{
|
|
|
qs=(unsigned short *) pixels;
|
|
|
for (x=0; x < (ssize_t) image->columns; x++)
|
|
|
{
|
|
|
*qs++=ScaleQuantumToShort(GetPixelRed(image,p));
|
|
|
*qs++=ScaleQuantumToShort(GetPixelGreen(image,p));
|
|
|
*qs++=ScaleQuantumToShort(GetPixelBlue(image,p));
|
|
|
if (image->alpha_trait != UndefinedPixelTrait)
|
|
|
*qs++=ScaleQuantumToShort(GetPixelAlpha(image,p));
|
|
|
else
|
|
|
*qs++=0xFFFF;
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
flif_image_write_row_RGBA16(flifimage,y,pixels,length);
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
qc=pixels;
|
|
|
for (x=0; x < (ssize_t) image->columns; x++)
|
|
|
{
|
|
|
*qc++=ScaleQuantumToChar(GetPixelRed(image,p));
|
|
|
*qc++=ScaleQuantumToChar(GetPixelGreen(image,p));
|
|
|
*qc++=ScaleQuantumToChar(GetPixelBlue(image,p));
|
|
|
if (image->alpha_trait != UndefinedPixelTrait)
|
|
|
*qc++=ScaleQuantumToChar(GetPixelAlpha(image,p));
|
|
|
else
|
|
|
*qc++=0xFF;
|
|
|
p+=GetPixelChannels(image);
|
|
|
}
|
|
|
flif_image_write_row_RGBA8(flifimage,y,pixels,length);
|
|
|
}
|
|
|
}
|
|
|
flif_image_set_frame_delay(flifimage,(uint32_t) image->delay*100/
|
|
|
image->ticks_per_second);
|
|
|
flif_encoder_add_image(flifenc,flifimage);
|
|
|
if (GetNextImageInList(image) == (Image *) NULL)
|
|
|
break;
|
|
|
image=SyncNextImageInList(image);
|
|
|
if ((columns != image->columns) || (rows != image->rows))
|
|
|
{
|
|
|
flif_destroy_image(flifimage);
|
|
|
flif_destroy_encoder(flifenc);
|
|
|
pixels=RelinquishMagickMemory(pixels);
|
|
|
ThrowWriterException(ImageError,"FramesNotSameDimensions");
|
|
|
}
|
|
|
scene++;
|
|
|
status=SetImageProgress(image,SaveImagesTag,scene,imageListLength);
|
|
|
if (status == MagickFalse)
|
|
|
break;
|
|
|
} while (image_info->adjoin != MagickFalse);
|
|
|
flif_destroy_image(flifimage);
|
|
|
pixels=RelinquishMagickMemory(pixels);
|
|
|
flif_status=flif_encoder_encode_memory(flifenc,&buffer,&length);
|
|
|
if (flif_status)
|
|
|
WriteBlob(image,length,buffer);
|
|
|
CloseBlob(image);
|
|
|
flif_destroy_encoder(flifenc);
|
|
|
buffer=RelinquishMagickMemory(buffer);
|
|
|
return(flif_status == 0 ? MagickFalse : MagickTrue);
|
|
|
}
|
|
|
#endif
|
