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/* |
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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% % |
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% % |
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% % |
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% AAA AAA IIIII % |
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% A A A A I % |
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% AAAAA AAAAA I % |
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% A A A A I % |
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% A A A A IIIII % |
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% % |
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% % |
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% Read/Write AAI X Image Format % |
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% % |
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% Software Design % |
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% Cristy % |
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% July 1992 % |
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% % |
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% % |
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% Copyright 1999-2019 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/blob.h" |
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#include "MagickCore/blob-private.h" |
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#include "MagickCore/cache.h" |
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#include "MagickCore/colorspace.h" |
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#include "MagickCore/colorspace-private.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/memory_.h" |
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#include "MagickCore/monitor.h" |
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#include "MagickCore/monitor-private.h" |
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#include "MagickCore/pixel.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/module.h" |
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/* |
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Forward declarations. |
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*/ |
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static MagickBooleanType |
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WriteAAIImage(const ImageInfo *,Image *,ExceptionInfo *); |
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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 A A I 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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% ReadAAIImage() reads an AAI Dune image file and returns it. It |
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% allocates the memory necessary for the new Image structure and returns a |
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% pointer to the new image. |
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% |
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% The format of the ReadAAIImage method is: |
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% |
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% Image *ReadAAIImage(const ImageInfo *image_info,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 *ReadAAIImage(const ImageInfo *image_info,ExceptionInfo *exception) |
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{ |
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Image |
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*image; |
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MagickBooleanType |
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status; |
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register ssize_t |
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x; |
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register Quantum |
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*q; |
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register unsigned char |
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*p; |
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size_t |
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height, |
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length, |
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width; |
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ssize_t |
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count, |
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y; |
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unsigned char |
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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,exception); |
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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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/* |
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Read AAI Dune image. |
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*/ |
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width=ReadBlobLSBLong(image); |
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height=ReadBlobLSBLong(image); |
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if (EOFBlob(image) != MagickFalse) |
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ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
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if ((width == 0UL) || (height == 0UL)) |
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ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
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do |
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{ |
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/* |
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Convert AAI raster image to pixel packets. |
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*/ |
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image->columns=width; |
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image->rows=height; |
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image->depth=8; |
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if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) |
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if (image->scene >= (image_info->scene+image_info->number_scenes-1)) |
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break; |
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status=SetImageExtent(image,image->columns,image->rows,exception); |
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if (status == MagickFalse) |
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return(DestroyImageList(image)); |
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pixels=(unsigned char *) AcquireQuantumMemory(image->columns, |
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4*sizeof(*pixels)); |
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if (pixels == (unsigned char *) NULL) |
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ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
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length=(size_t) 4*image->columns; |
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for (y=0; y < (ssize_t) image->rows; y++) |
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{ |
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count=ReadBlob(image,length,pixels); |
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if (count != (ssize_t) length) |
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{ |
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pixels=(unsigned char *) RelinquishMagickMemory(pixels); |
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ThrowReaderException(CorruptImageError,"UnableToReadImageData"); |
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} |
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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 == (Quantum *) 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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SetPixelBlue(image,ScaleCharToQuantum(*p++),q); |
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SetPixelGreen(image,ScaleCharToQuantum(*p++),q); |
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SetPixelRed(image,ScaleCharToQuantum(*p++),q); |
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if (*p == 254) |
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*p=255; |
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SetPixelAlpha(image,ScaleCharToQuantum(*p++),q); |
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if (GetPixelAlpha(image,q) != OpaqueAlpha) |
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image->alpha_trait=BlendPixelTrait; |
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q+=GetPixelChannels(image); |
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} |
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if (SyncAuthenticPixels(image,exception) == MagickFalse) |
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break; |
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if (image->previous == (Image *) NULL) |
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{ |
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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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pixels=(unsigned char *) RelinquishMagickMemory(pixels); |
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if (EOFBlob(image) != MagickFalse) |
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{ |
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ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", |
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image->filename); |
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break; |
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} |
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/* |
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Proceed to next image. |
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*/ |
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if (image_info->number_scenes != 0) |
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if (image->scene >= (image_info->scene+image_info->number_scenes-1)) |
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break; |
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width=ReadBlobLSBLong(image); |
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height=ReadBlobLSBLong(image); |
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if ((width != 0UL) && (height != 0UL)) |
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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,exception); |
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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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status=SetImageProgress(image,LoadImagesTag,TellBlob(image), |
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GetBlobSize(image)); |
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if (status == MagickFalse) |
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break; |
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} |
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} while ((width != 0UL) && (height != 0UL)); |
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(void) CloseBlob(image); |
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if (status == MagickFalse) |
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return(DestroyImageList(image)); |
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return(GetFirstImageInList(image)); |
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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 A A I 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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% RegisterAAIImage() adds attributes for the AAI Dune image format to the list |
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% of supported formats. The attributes include the image format tag, a |
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% method to read and/or write the format, whether the format supports the |
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% saving of more than one frame to the same file or blob, whether the format |
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% supports native in-memory I/O, and a brief description of the format. |
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% |
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% The format of the RegisterAAIImage method is: |
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% |
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% size_t RegisterAAIImage(void) |
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% |
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*/ |
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ModuleExport size_t RegisterAAIImage(void) |
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{ |
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MagickInfo |
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*entry; |
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entry=AcquireMagickInfo("AAI","AAI","AAI Dune image"); |
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entry->decoder=(DecodeImageHandler *) ReadAAIImage; |
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entry->encoder=(EncodeImageHandler *) WriteAAIImage; |
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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 A A I 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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% UnregisterAAIImage() removes format registrations made by the |
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% AAI module from the list of supported formats. |
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% |
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% The format of the UnregisterAAIImage method is: |
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% |
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% UnregisterAAIImage(void) |
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% |
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*/ |
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ModuleExport void UnregisterAAIImage(void) |
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{ |
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(void) UnregisterMagickInfo("AAI"); |
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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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% W r i t e A A I 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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% WriteAAIImage() writes an image to a file in AAI Dune image format. |
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% |
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% The format of the WriteAAIImage method is: |
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% |
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% MagickBooleanType WriteAAIImage(const ImageInfo *image_info, |
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% Image *image,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 image: The image. |
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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 MagickBooleanType WriteAAIImage(const ImageInfo *image_info,Image *image, |
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ExceptionInfo *exception) |
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{ |
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MagickBooleanType |
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status; |
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MagickOffsetType |
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scene; |
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register const Quantum |
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*magick_restrict p; |
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register ssize_t |
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x; |
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register unsigned char |
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*magick_restrict q; |
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size_t |
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imageListLength; |
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ssize_t |
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count, |
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y; |
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unsigned char |
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*pixels; |
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/* |
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Open output 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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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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assert(exception != (ExceptionInfo *) NULL); |
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assert(exception->signature == MagickCoreSignature); |
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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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scene=0; |
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imageListLength=GetImageListLength(image); |
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do |
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{ |
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/* |
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Write AAI header. |
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*/ |
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(void) TransformImageColorspace(image,sRGBColorspace,exception); |
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(void) WriteBlobLSBLong(image,(unsigned int) image->columns); |
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(void) WriteBlobLSBLong(image,(unsigned int) image->rows); |
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/* |
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Allocate memory for pixels. |
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*/ |
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pixels=(unsigned char *) AcquireQuantumMemory(image->columns, |
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4*sizeof(*pixels)); |
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if (pixels == (unsigned char *) NULL) |
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ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
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/* |
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Convert MIFF to AAI raster pixels. |
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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 == (const Quantum *) NULL) |
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break; |
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q=pixels; |
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for (x=0; x < (ssize_t) image->columns; x++) |
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{ |
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*q++=ScaleQuantumToChar(GetPixelBlue(image,p)); |
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*q++=ScaleQuantumToChar(GetPixelGreen(image,p)); |
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*q++=ScaleQuantumToChar(GetPixelRed(image,p)); |
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*q=ScaleQuantumToChar((Quantum) (image->alpha_trait != |
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UndefinedPixelTrait ? GetPixelAlpha(image,p) : OpaqueAlpha)); |
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if (*q == 255) |
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*q=254; |
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p+=GetPixelChannels(image); |
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q++; |
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} |
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count=WriteBlob(image,(size_t) (q-pixels),pixels); |
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if (count != (ssize_t) (q-pixels)) |
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break; |
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if (image->previous == (Image *) NULL) |
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{ |
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status=SetImageProgress(image,SaveImageTag,(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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pixels=(unsigned char *) RelinquishMagickMemory(pixels); |
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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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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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(void) CloseBlob(image); |
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return(MagickTrue); |
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}
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