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imagemagick/coders/flif.c

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Import Upstream version 6.9.11.60
2023-02-03 21:16:55 +08:00
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% FFFFF L IIIII FFFFF %
% F L I F %
% FFF L I FFF %
% F L I F %
% F LLLLL IIIII F %
% %
% %
% Read/Write Free Lossless Image Format %
% %
% Software Design %
% Jon Sneyers %
% April 2016 %
% %
% %
% 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 "magick/studio.h"
#include "magick/artifact.h"
#include "magick/blob.h"
#include "magick/blob-private.h"
#include "magick/client.h"
#include "magick/colorspace-private.h"
#include "magick/display.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/image.h"
#include "magick/image-private.h"
#include "magick/list.h"
#include "magick/magick.h"
#include "magick/monitor.h"
#include "magick/monitor-private.h"
#include "magick/memory_.h"
#include "magick/option.h"
#include "magick/pixel-accessor.h"
#include "magick/quantum-private.h"
#include "magick/static.h"
#include "magick/string_.h"
#include "magick/string-private.h"
#include "magick/module.h"
#include "magick/utility.h"
#include "magick/xwindow.h"
#include "magick/xwindow-private.h"
#if defined(MAGICKCORE_FLIF_DELEGATE)
#include <flif.h>
#endif
/*
Forward declarations.
*/
#if defined(MAGICKCORE_FLIF_DELEGATE)
static MagickBooleanType
WriteFLIFImage(const ImageInfo *,Image *,ExceptionInfo *);
#endif
#if defined(MAGICKCORE_FLIF_DELEGATE)
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d F L I F I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadFLIFImage() reads an image in the FLIF image format.
%
% The format of the ReadFLIFImage method is:
%
% Image *ReadFLIFImage(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 *ReadFLIFImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
FLIF_DECODER
*flifdec;
FLIF_IMAGE
*flifimage;
Image
*image;
MagickBooleanType
status;
PixelPacket
*q;
ssize_t
x;
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);
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,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);
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->matte=(flif_image_get_nb_channels(flifimage) > 3 ?
MagickTrue : MagickFalse);
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 == (PixelPacket *) NULL)
break;
for (x=0; x < (ssize_t) image->columns; x++)
{
SetPixelRed(q,ScaleShortToQuantum(*p++));
SetPixelGreen(q,ScaleShortToQuantum(*p++));
SetPixelBlue(q,ScaleShortToQuantum(*p++));
SetPixelAlpha(q,ScaleShortToQuantum(*p++));
q++;
}
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[MaxTextExtent];
MagickInfo
*entry;
*version='\0';
entry=SetMagickInfo("FLIF");
#if defined(MAGICKCORE_FLIF_DELEGATE)
entry->decoder=(DecodeImageHandler *) ReadFLIFImage;
entry->encoder=(EncodeImageHandler *) WriteFLIFImage;
(void) FormatLocaleString(version,MaxTextExtent,"libflif %d.%d.%d [%04X]",
(FLIF_VERSION >> 16) & 0xff,
(FLIF_VERSION >> 8) & 0xff,
(FLIF_VERSION >> 0) & 0xff,FLIF_ABI_VERSION);
#endif
entry->description=ConstantString("Free Lossless Image Format");
entry->adjoin=MagickTrue;
entry->magick_module=ConstantString("FLIF");
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 PixelPacket
*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-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(image->columns,image->rows);
length=sizeof(unsigned short)*4*image->columns;
}
else
{
flifimage=flif_create_image(image->columns,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 == (PixelPacket *) NULL)
break;
if (image->depth > 8)
{
qs=(unsigned short *) pixels;
for (x=0; x < (ssize_t) image->columns; x++)
{
*qs++=ScaleQuantumToShort(GetPixelRed(p));
*qs++=ScaleQuantumToShort(GetPixelGreen(p));
*qs++=ScaleQuantumToShort(GetPixelBlue(p));
if (image->matte != MagickFalse)
*qs++=ScaleQuantumToShort(GetPixelAlpha(p));
else
*qs++=0xFFFF;
p++;
}
flif_image_write_row_RGBA16(flifimage,y,pixels,length);
}
else
{
qc=pixels;
for (x=0; x < (ssize_t) image->columns; x++)
{
*qc++=ScaleQuantumToChar(GetPixelRed(p));
*qc++=ScaleQuantumToChar(GetPixelGreen(p));
*qc++=ScaleQuantumToChar(GetPixelBlue(p));
if (image->matte != MagickFalse)
*qc++=ScaleQuantumToChar(GetPixelAlpha(p));
else
*qc++=0xFF;
p++;
}
flif_image_write_row_RGBA8(flifimage,y,pixels,length);
}
}
flif_image_set_frame_delay(flifimage,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