forked from openkylin/imagemagick
545 lines
18 KiB
C
545 lines
18 KiB
C
/*
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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 "magick/studio.h"
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#include "magick/artifact.h"
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#include "magick/blob.h"
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#include "magick/blob-private.h"
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#include "magick/client.h"
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#include "magick/colorspace-private.h"
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#include "magick/display.h"
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#include "magick/exception.h"
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#include "magick/exception-private.h"
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#include "magick/image.h"
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#include "magick/image-private.h"
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#include "magick/list.h"
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#include "magick/magick.h"
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#include "magick/monitor.h"
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#include "magick/monitor-private.h"
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#include "magick/memory_.h"
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#include "magick/option.h"
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#include "magick/pixel-accessor.h"
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#include "magick/quantum-private.h"
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#include "magick/static.h"
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#include "magick/string_.h"
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#include "magick/string-private.h"
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#include "magick/module.h"
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#include "magick/utility.h"
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#include "magick/xwindow.h"
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#include "magick/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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% %
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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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{
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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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PixelPacket
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*q;
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ssize_t
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x;
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unsigned short
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*p;
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size_t
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count,
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image_count,
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length;
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ssize_t
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y;
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unsigned char
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*stream;
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unsigned short
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*pixels;
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/*
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Open image file.
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*/
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assert(image_info != (const ImageInfo *) NULL);
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assert(image_info->signature == MagickCoreSignature);
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if (image_info->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
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image_info->filename);
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assert(exception != (ExceptionInfo *) NULL);
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assert(exception->signature == MagickCoreSignature);
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image=AcquireImage(image_info);
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status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
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if (status == MagickFalse)
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{
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image=DestroyImageList(image);
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return((Image *) NULL);
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}
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length=(size_t) GetBlobSize(image);
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stream=(unsigned char *) AcquireQuantumMemory(length,sizeof(*stream));
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if (stream == (unsigned char *) NULL)
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ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
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count=ReadBlob(image,length,stream);
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if (count != length)
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{
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stream=(unsigned char *) RelinquishMagickMemory(stream);
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ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
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}
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flifdec=flif_create_decoder();
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if (image_info->quality != UndefinedCompressionQuality)
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flif_decoder_set_quality(flifdec,image_info->quality);
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if (!flif_decoder_decode_memory(flifdec,stream,length))
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{
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flif_destroy_decoder(flifdec);
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ThrowReaderException(CorruptImageError,"CorruptImage");
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}
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image_count=flif_decoder_num_images(flifdec);
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flifimage=flif_decoder_get_image(flifdec,0);
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length=sizeof(unsigned short)*4*flif_image_get_width(flifimage);
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pixels=(unsigned short *) AcquireQuantumMemory(1,length);
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if (pixels == (unsigned short *) NULL)
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{
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flif_destroy_decoder(flifdec);
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ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
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}
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for (count=0; count < image_count; count++)
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{
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if (count > 0)
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{
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/*
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Allocate next image structure.
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*/
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AcquireNextImage(image_info,image);
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if (GetNextImageInList(image) == (Image *) NULL)
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{
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status=MagickFalse;
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break;
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}
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image=SyncNextImageInList(image);
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}
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flifimage=flif_decoder_get_image(flifdec,count);
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image->columns=(size_t) flif_image_get_width(flifimage);
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image->rows=(size_t) flif_image_get_height(flifimage);
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image->depth=flif_image_get_depth(flifimage);
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image->matte=(flif_image_get_nb_channels(flifimage) > 3 ?
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MagickTrue : MagickFalse);
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image->delay=flif_image_get_frame_delay(flifimage);
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image->ticks_per_second=1000;
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image->scene=count;
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image->dispose=BackgroundDispose;
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for (y=0; y < (ssize_t) image->rows; y++)
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{
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flif_image_read_row_RGBA16(flifimage,y,pixels,length);
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p=pixels;
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q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
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if (q == (PixelPacket *) NULL)
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break;
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for (x=0; x < (ssize_t) image->columns; x++)
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{
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SetPixelRed(q,ScaleShortToQuantum(*p++));
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SetPixelGreen(q,ScaleShortToQuantum(*p++));
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SetPixelBlue(q,ScaleShortToQuantum(*p++));
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SetPixelAlpha(q,ScaleShortToQuantum(*p++));
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q++;
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}
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if (SyncAuthenticPixels(image,exception) == MagickFalse)
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break;
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status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
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image->rows);
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if (status == MagickFalse)
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break;
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}
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}
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flif_destroy_decoder(flifdec);
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pixels=(unsigned short *) RelinquishMagickMemory(pixels);
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if (status == MagickFalse)
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return(DestroyImageList(image));
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return(image);
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}
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#endif
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% I s F L I F %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% IsFLIF() returns MagickTrue if the image format type, identified by the
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% magick string, is FLIF.
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%
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% The format of the IsFLIF method is:
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%
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% MagickBooleanType IsFLIF(const unsigned char *magick,
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% const size_t length)
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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 length: Specifies the length of the magick string.
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%
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*/
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static MagickBooleanType IsFLIF(const unsigned char *magick,
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const size_t length)
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{
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if (length < 4)
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return(MagickFalse);
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if (LocaleNCompare((char *) magick,"FLIF",4) == 0)
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return(MagickTrue);
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return(MagickFalse);
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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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% R e g i s t e r F L I F I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% RegisterFLIFImage() adds attributes for the FLIF image format to
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% the list of supported formats. The attributes include the image format
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% tag, a method to read and/or write the format, whether the format
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% supports the saving of more than one frame to the same file or blob,
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% whether the format supports native in-memory I/O, and a brief
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% description of the format.
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%
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% The format of the RegisterFLIFImage method is:
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%
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% size_t RegisterFLIFImage(void)
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%
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*/
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ModuleExport size_t RegisterFLIFImage(void)
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{
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char
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version[MaxTextExtent];
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MagickInfo
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*entry;
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*version='\0';
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entry=SetMagickInfo("FLIF");
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#if defined(MAGICKCORE_FLIF_DELEGATE)
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entry->decoder=(DecodeImageHandler *) ReadFLIFImage;
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entry->encoder=(EncodeImageHandler *) WriteFLIFImage;
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(void) FormatLocaleString(version,MaxTextExtent,"libflif %d.%d.%d [%04X]",
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(FLIF_VERSION >> 16) & 0xff,
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(FLIF_VERSION >> 8) & 0xff,
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(FLIF_VERSION >> 0) & 0xff,FLIF_ABI_VERSION);
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#endif
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entry->description=ConstantString("Free Lossless Image Format");
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entry->adjoin=MagickTrue;
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entry->magick_module=ConstantString("FLIF");
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entry->mime_type=ConstantString("image/flif");
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entry->magick=(IsImageFormatHandler *) IsFLIF;
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if (*version != '\0')
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entry->version=ConstantString(version);
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(void) RegisterMagickInfo(entry);
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return(MagickImageCoderSignature);
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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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% U n r e g i s t e r F L I F I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% UnregisterFLIFImage() removes format registrations made by the FLIF module
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% from the list of supported formats.
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%
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% The format of the UnregisterFLIFImage method is:
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%
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% UnregisterFLIFImage(void)
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%
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*/
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ModuleExport void UnregisterFLIFImage(void)
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{
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(void) UnregisterMagickInfo("FLIF");
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}
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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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% W r i t e F L I F I m a g e %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% WriteFLIFImage() writes an image in the FLIF image format.
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%
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% The format of the WriteFLIFImage method is:
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%
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% MagickBooleanType WriteFLIFImage(const ImageInfo *image_info,
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% Image *image)
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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 image: The image.
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%
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*/
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static MagickBooleanType WriteFLIFImage(const ImageInfo *image_info,
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Image *image, ExceptionInfo *exception)
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{
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FLIF_ENCODER
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*flifenc;
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FLIF_IMAGE
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*flifimage;
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int
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flif_status;
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MagickBooleanType
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status;
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MagickOffsetType
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scene;
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const PixelPacket
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*magick_restrict p;
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ssize_t
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x;
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unsigned char
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*magick_restrict qc;
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unsigned short
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*magick_restrict qs;
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size_t
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columns,
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imageListLength,
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length,
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rows;
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ssize_t
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y;
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void
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*buffer;
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void
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*pixels;
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assert(image_info != (const ImageInfo *) NULL);
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assert(image_info->signature == MagickCoreSignature);
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assert(image != (Image *) NULL);
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assert(image->signature == MagickCoreSignature);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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if ((image->columns > 0xFFFF) || (image->rows > 0xFFFF))
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ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
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status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
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if (status == MagickFalse)
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return(status);
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flifenc=flif_create_encoder();
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if (image_info->quality != UndefinedCompressionQuality)
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flif_encoder_set_lossy(flifenc,3*(100-image_info->quality));
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/* relatively fast encoding */
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flif_encoder_set_learn_repeat(flifenc,1);
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flif_encoder_set_split_threshold(flifenc,5461*8*5);
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columns=image->columns;
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rows=image->rows;
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/* Convert image to FLIFIMAGE */
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if (image->depth > 8)
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{
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flifimage=flif_create_image_HDR(image->columns,image->rows);
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length=sizeof(unsigned short)*4*image->columns;
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}
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else
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{
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flifimage=flif_create_image(image->columns,image->rows);
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length=sizeof(unsigned char)*4*image->columns;
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}
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if (flifimage == (FLIF_IMAGE *) NULL)
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{
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flif_destroy_encoder(flifenc);
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ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
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}
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pixels=AcquireMagickMemory(length);
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if (pixels == (void *) NULL)
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{
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flif_destroy_image(flifimage);
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flif_destroy_encoder(flifenc);
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ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
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}
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scene=0;
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imageListLength=GetImageListLength(image);
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do
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{
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for (y=0; y < (ssize_t) image->rows; y++)
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{
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p=GetVirtualPixels(image,0,y,image->columns,1,exception);
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if (p == (PixelPacket *) NULL)
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break;
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if (image->depth > 8)
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{
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qs=(unsigned short *) pixels;
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for (x=0; x < (ssize_t) image->columns; x++)
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{
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*qs++=ScaleQuantumToShort(GetPixelRed(p));
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*qs++=ScaleQuantumToShort(GetPixelGreen(p));
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*qs++=ScaleQuantumToShort(GetPixelBlue(p));
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if (image->matte != MagickFalse)
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*qs++=ScaleQuantumToShort(GetPixelAlpha(p));
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else
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*qs++=0xFFFF;
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p++;
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}
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flif_image_write_row_RGBA16(flifimage,y,pixels,length);
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}
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else
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{
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qc=pixels;
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for (x=0; x < (ssize_t) image->columns; x++)
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{
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*qc++=ScaleQuantumToChar(GetPixelRed(p));
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*qc++=ScaleQuantumToChar(GetPixelGreen(p));
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*qc++=ScaleQuantumToChar(GetPixelBlue(p));
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if (image->matte != MagickFalse)
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*qc++=ScaleQuantumToChar(GetPixelAlpha(p));
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else
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*qc++=0xFF;
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p++;
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}
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flif_image_write_row_RGBA8(flifimage,y,pixels,length);
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}
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}
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flif_image_set_frame_delay(flifimage,image->delay*100/
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image->ticks_per_second);
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flif_encoder_add_image(flifenc,flifimage);
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if (GetNextImageInList(image) == (Image *) NULL)
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break;
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image=SyncNextImageInList(image);
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if ((columns != image->columns) || (rows != image->rows))
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{
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flif_destroy_image(flifimage);
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flif_destroy_encoder(flifenc);
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pixels=RelinquishMagickMemory(pixels);
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ThrowWriterException(ImageError,"FramesNotSameDimensions");
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}
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scene++;
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status=SetImageProgress(image,SaveImagesTag,scene,imageListLength);
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if (status == MagickFalse)
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break;
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} while (image_info->adjoin != MagickFalse);
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flif_destroy_image(flifimage);
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pixels=RelinquishMagickMemory(pixels);
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flif_status=flif_encoder_encode_memory(flifenc,&buffer,&length);
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if (flif_status)
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WriteBlob(image,length,buffer);
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CloseBlob(image);
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flif_destroy_encoder(flifenc);
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buffer=RelinquishMagickMemory(buffer);
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return(flif_status == 0 ? MagickFalse : MagickTrue);
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||
}
|
||
#endif
|