- Modifications to compile ImageMagick
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Santi Noreña
parent
615ec83706
commit
83522c16c3
3442 changed files with 57 additions and 412926 deletions
409
ImageMagick/coders/mtv.c
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409
ImageMagick/coders/mtv.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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% M M TTTTT V V %
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% MM MM T V V %
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% M M M T V V %
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% M M T V V %
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% M M T V %
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% %
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% %
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% Read/Write MTV Raytracer 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/colorspace.h"
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#include "magick/colorspace-private.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-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/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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WriteMTVImage(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 M T V 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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% ReadMTVImage() reads a MTV image file and returns it. It allocates
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% the memory necessary for the new Image structure and returns a pointer to
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% the new image.
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%
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% The format of the ReadMTVImage method is:
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%
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% Image *ReadMTVImage(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 *ReadMTVImage(const ImageInfo *image_info,ExceptionInfo *exception)
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{
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char
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buffer[MaxTextExtent];
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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 PixelPacket
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*q;
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register unsigned char
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*p;
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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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unsigned long
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columns,
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rows;
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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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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 MTV image.
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*/
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(void) ReadBlobString(image,buffer);
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count=(ssize_t) sscanf(buffer,"%lu %lu\n",&columns,&rows);
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if (count <= 0)
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ThrowReaderException(CorruptImageError,"ImproperImageHeader");
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do
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{
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/*
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Initialize image structure.
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*/
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image->columns=columns;
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image->rows=rows;
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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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/*
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Convert MTV raster image to pixel packets.
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*/
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pixels=(unsigned char *) AcquireQuantumMemory((size_t) image->columns,
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3UL*sizeof(*pixels));
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if (pixels == (unsigned char *) NULL)
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ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
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for (y=0; y < (ssize_t) image->rows; y++)
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{
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count=(ssize_t) ReadBlob(image,(size_t) (3*image->columns),pixels);
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if (count != (ssize_t) (3*image->columns))
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ThrowReaderException(CorruptImageError,"UnableToReadImageData");
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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,ScaleCharToQuantum(*p++));
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SetPixelGreen(q,ScaleCharToQuantum(*p++));
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SetPixelBlue(q,ScaleCharToQuantum(*p++));
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SetPixelOpacity(q,OpaqueOpacity);
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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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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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*buffer='\0';
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(void) ReadBlobString(image,buffer);
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count=(ssize_t) sscanf(buffer,"%lu %lu\n",&columns,&rows);
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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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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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} while (count > 0);
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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 M T V 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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% RegisterMTVImage() adds attributes for the MTV 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 RegisterMTVImage method is:
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%
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% size_t RegisterMTVImage(void)
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%
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*/
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ModuleExport size_t RegisterMTVImage(void)
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{
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MagickInfo
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*entry;
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entry=SetMagickInfo("MTV");
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entry->decoder=(DecodeImageHandler *) ReadMTVImage;
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entry->encoder=(EncodeImageHandler *) WriteMTVImage;
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entry->description=ConstantString("MTV Raytracing image format");
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entry->module=ConstantString("MTV");
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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 M T V 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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% UnregisterMTVImage() removes format registrations made by the
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% MTV module from the list of supported formats.
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%
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% The format of the UnregisterMTVImage method is:
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%
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% UnregisterMTVImage(void)
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%
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*/
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ModuleExport void UnregisterMTVImage(void)
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{
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(void) UnregisterMagickInfo("MTV");
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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 M T V 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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% WriteMTVImage() writes an image to a file in red, green, and blue MTV
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% rasterfile format.
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%
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% The format of the WriteMTVImage method is:
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%
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% MagickBooleanType WriteMTVImage(const ImageInfo *image_info,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 WriteMTVImage(const ImageInfo *image_info,Image *image)
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{
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char
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buffer[MaxTextExtent];
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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 PixelPacket
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*p;
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register ssize_t
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x;
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register unsigned char
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*q;
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ssize_t
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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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Allocate memory for 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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pixels=(unsigned char *) AcquireQuantumMemory((size_t) image->columns,
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3UL*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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Initialize raster file header.
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*/
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(void) FormatLocaleString(buffer,MaxTextExtent,"%.20g %.20g\n",(double)
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image->columns,(double) image->rows);
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(void) WriteBlobString(image,buffer);
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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,&image->exception);
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if (p == (const PixelPacket *) 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(GetPixelRed(p));
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*q++=ScaleQuantumToChar(GetPixelGreen(p));
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*q++=ScaleQuantumToChar(GetPixelBlue(p));
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p++;
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}
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(void) WriteBlob(image,(size_t) (q-pixels),pixels);
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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,
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GetImageListLength(image));
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if (status == MagickFalse)
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break;
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scene++;
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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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