| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % 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 1999-2019 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/artifact.h" |
| #include "MagickCore/blob.h" |
| #include "MagickCore/blob-private.h" |
| #include "MagickCore/client.h" |
| #include "MagickCore/colorspace-private.h" |
| #include "MagickCore/display.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/monitor.h" |
| #include "MagickCore/monitor-private.h" |
| #include "MagickCore/memory_.h" |
| #include "MagickCore/option.h" |
| #include "MagickCore/pixel-accessor.h" |
| #include "MagickCore/quantum-private.h" |
| #include "MagickCore/static.h" |
| #include "MagickCore/string_.h" |
| #include "MagickCore/string-private.h" |
| #include "MagickCore/module.h" |
| #include "MagickCore/utility.h" |
| #include "MagickCore/xwindow.h" |
| #include "MagickCore/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; |
| |
| register Quantum |
| *q; |
| |
| register ssize_t |
| x; |
| |
| register 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 *) AcquireMagickMemory(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; |
| |
| register const Quantum |
| *magick_restrict p; |
| |
| register ssize_t |
| x; |
| |
| register unsigned char |
| *magick_restrict qc; |
| |
| register 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 |
