- Modifications to compile ImageMagick
This commit is contained in:
Santi Noreña
parent
615ec83706
commit
83522c16c3
3442 changed files with 57 additions and 412926 deletions
453
ImageMagick/coders/gray.c
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453
ImageMagick/coders/gray.c
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% GGGG RRRR AAA Y Y %
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% G R R A A Y Y %
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% G GG RRRR AAAAA Y %
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% G G R R A A Y %
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% GGG R R A A Y %
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% %
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% %
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% Read/Write RAW Gray Image Format %
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% %
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% Software Design %
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% John Cristy %
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% July 1992 %
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% %
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% %
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% Copyright 1999-2013 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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% http://www.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/blob.h"
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#include "magick/blob-private.h"
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#include "magick/cache.h"
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#include "magick/channel.h"
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#include "magick/colorspace.h"
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#include "magick/colorspace-private.h"
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#include "magick/constitute.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/memory_.h"
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#include "magick/monitor.h"
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#include "magick/monitor-private.h"
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#include "magick/pixel.h"
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#include "magick/pixel-accessor.h"
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#include "magick/pixel-private.h"
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#include "magick/quantum-private.h"
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#include "magick/static.h"
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#include "magick/statistic.h"
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#include "magick/string_.h"
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#include "magick/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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WriteGRAYImage(const ImageInfo *,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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% R e a d G R A Y 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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% ReadGRAYImage() reads an image of raw grayscale samples and returns
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% it. It allocates the memory necessary for the new Image structure and
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% returns a pointer to the new image.
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%
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% The format of the ReadGRAYImage method is:
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%
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% Image *ReadGRAYImage(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 *ReadGRAYImage(const ImageInfo *image_info,
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ExceptionInfo *exception)
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{
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Image
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*canvas_image,
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*image;
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MagickBooleanType
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status;
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MagickOffsetType
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scene;
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QuantumInfo
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*quantum_info;
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QuantumType
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quantum_type;
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size_t
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length;
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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 == MagickSignature);
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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 == MagickSignature);
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image=AcquireImage(image_info);
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if ((image->columns == 0) || (image->rows == 0))
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ThrowReaderException(OptionError,"MustSpecifyImageSize");
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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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if (DiscardBlobBytes(image,(size_t) image->offset) == MagickFalse)
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ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
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image->filename);
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/*
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Create virtual canvas to support cropping (i.e. image.gray[100x100+10+20]).
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*/
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SetImageColorspace(image,GRAYColorspace);
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canvas_image=CloneImage(image,image->extract_info.width,1,MagickFalse,
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exception);
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(void) SetImageVirtualPixelMethod(canvas_image,BlackVirtualPixelMethod);
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quantum_type=GrayQuantum;
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quantum_info=AcquireQuantumInfo(image_info,canvas_image);
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if (quantum_info == (QuantumInfo *) NULL)
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ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
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pixels=GetQuantumPixels(quantum_info);
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if (image_info->number_scenes != 0)
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while (image->scene < image_info->scene)
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{
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/*
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Skip to next image.
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*/
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image->scene++;
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length=GetQuantumExtent(canvas_image,quantum_info,quantum_type);
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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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break;
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}
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}
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scene=0;
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count=0;
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length=0;
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do
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{
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/*
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Read pixels to virtual canvas image then push to image.
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*/
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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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SetImageColorspace(image,GRAYColorspace);
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if (scene == 0)
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{
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length=GetQuantumExtent(canvas_image,quantum_info,quantum_type);
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count=ReadBlob(image,length,pixels);
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}
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for (y=0; y < (ssize_t) image->extract_info.height; y++)
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{
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register const PixelPacket
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*restrict p;
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register ssize_t
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x;
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register PixelPacket
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*restrict q;
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if (count != (ssize_t) length)
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{
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ThrowFileException(exception,CorruptImageError,
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"UnexpectedEndOfFile",image->filename);
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break;
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}
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q=GetAuthenticPixels(canvas_image,0,0,canvas_image->columns,1,exception);
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if (q == (PixelPacket *) NULL)
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break;
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length=ImportQuantumPixels(canvas_image,(CacheView *) NULL,quantum_info,
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quantum_type,pixels,exception);
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if (SyncAuthenticPixels(canvas_image,exception) == MagickFalse)
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break;
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if (((y-image->extract_info.y) >= 0) &&
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((y-image->extract_info.y) < (ssize_t) image->rows))
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{
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p=GetVirtualPixels(canvas_image,canvas_image->extract_info.x,0,
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image->columns,1,exception);
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q=QueueAuthenticPixels(image,0,y-image->extract_info.y,image->columns,
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1,exception);
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if ((p == (const PixelPacket *) NULL) || (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,GetPixelRed(p));
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SetPixelGreen(q,GetPixelGreen(p));
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SetPixelBlue(q,GetPixelBlue(p));
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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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}
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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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count=ReadBlob(image,length,pixels);
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}
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SetQuantumImageType(image,quantum_type);
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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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if (count == (ssize_t) length)
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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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image=DestroyImageList(image);
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return((Image *) NULL);
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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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scene++;
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} while (count == (ssize_t) length);
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quantum_info=DestroyQuantumInfo(quantum_info);
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InheritException(&image->exception,&canvas_image->exception);
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canvas_image=DestroyImage(canvas_image);
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(void) CloseBlob(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 G R A Y 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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% RegisterGRAYImage() adds attributes for the GRAY 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 RegisterGRAYImage method is:
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%
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% size_t RegisterGRAYImage(void)
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%
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*/
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ModuleExport size_t RegisterGRAYImage(void)
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{
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MagickInfo
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*entry;
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entry=SetMagickInfo("GRAY");
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entry->decoder=(DecodeImageHandler *) ReadGRAYImage;
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entry->encoder=(EncodeImageHandler *) WriteGRAYImage;
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entry->raw=MagickTrue;
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entry->endian_support=MagickTrue;
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entry->description=ConstantString("Raw gray samples");
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entry->module=ConstantString("GRAY");
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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 G R A Y 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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% UnregisterGRAYImage() removes format registrations made by the
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% GRAY module from the list of supported formats.
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%
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% The format of the UnregisterGRAYImage method is:
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%
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% UnregisterGRAYImage(void)
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%
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*/
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ModuleExport void UnregisterGRAYImage(void)
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{
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(void) UnregisterMagickInfo("GRAY");
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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 G R A Y 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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% WriteGRAYImage() writes an image to a file as gray scale intensity
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% values.
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%
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% The format of the WriteGRAYImage method is:
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%
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% MagickBooleanType WriteGRAYImage(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 WriteGRAYImage(const ImageInfo *image_info,
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Image *image)
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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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QuantumInfo
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*quantum_info;
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QuantumType
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quantum_type;
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size_t
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length;
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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 == MagickSignature);
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assert(image != (Image *) NULL);
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assert(image->signature == MagickSignature);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
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if (status == MagickFalse)
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return(status);
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scene=0;
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do
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{
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/*
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Write grayscale pixels.
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*/
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if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
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(void) TransformImageColorspace(image,sRGBColorspace);
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quantum_type=GrayQuantum;
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quantum_info=AcquireQuantumInfo(image_info,image);
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if (quantum_info == (QuantumInfo *) NULL)
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ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
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pixels=GetQuantumPixels(quantum_info);
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for (y=0; y < (ssize_t) image->rows; y++)
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{
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register const PixelPacket
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*restrict p;
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p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
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if (p == (const PixelPacket *) NULL)
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break;
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length=ExportQuantumPixels(image,(const CacheView *) NULL,quantum_info,
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quantum_type,pixels,&image->exception);
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count=WriteBlob(image,length,pixels);
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if (count != (ssize_t) length)
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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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quantum_info=DestroyQuantumInfo(quantum_info);
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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++,
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GetImageListLength(image));
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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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