- Modifications to compile ImageMagick
This commit is contained in:
Santi Noreña
parent
615ec83706
commit
83522c16c3
3442 changed files with 57 additions and 412926 deletions
448
ImageMagick/coders/rla.c
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448
ImageMagick/coders/rla.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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% RRRR L AAA %
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% R R L A A %
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% RRRR L AAAAA %
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% R R L A A %
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% R R LLLLL A A %
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% %
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% %
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% Read Alias/Wavefront 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/property.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/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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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% R e a d R L A 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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% ReadRLAImage() reads a run-length encoded Wavefront RLA image file
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% and returns it. It allocates the memory necessary for the new Image
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% structure and returns a pointer to the new image.
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%
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% Note: This module was contributed by Lester Vecsey (master@internexus.net).
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%
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% The format of the ReadRLAImage method is:
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%
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% Image *ReadRLAImage(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 *ReadRLAImage(const ImageInfo *image_info,ExceptionInfo *exception)
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{
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typedef struct _WindowFrame
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{
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short
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left,
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right,
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bottom,
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top;
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} WindowFrame;
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typedef struct _RLAInfo
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{
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WindowFrame
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window,
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active_window;
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short
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frame,
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storage_type,
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number_channels,
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number_matte_channels,
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number_auxiliary_channels,
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revision;
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char
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gamma[16],
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red_primary[24],
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green_primary[24],
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blue_primary[24],
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white_point[24];
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ssize_t
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job_number;
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char
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name[128],
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description[128],
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program[64],
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machine[32],
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user[32],
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date[20],
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aspect[24],
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aspect_ratio[8],
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chan[32];
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short
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field;
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char
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time[12],
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filter[32];
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short
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bits_per_channel,
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matte_type,
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matte_bits,
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auxiliary_type,
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auxiliary_bits;
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char
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auxiliary[32],
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space[36];
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ssize_t
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next;
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} RLAInfo;
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Image
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*image;
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int
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channel,
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length,
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runlength;
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MagickBooleanType
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status;
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MagickOffsetType
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offset;
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register ssize_t
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i,
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x;
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register PixelPacket
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*q;
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ssize_t
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count,
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*scanlines,
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y;
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RLAInfo
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rla_info;
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unsigned char
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byte;
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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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rla_info.window.left=(short) ReadBlobMSBShort(image);
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rla_info.window.right=(short) ReadBlobMSBShort(image);
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rla_info.window.bottom=(short) ReadBlobMSBShort(image);
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rla_info.window.top=(short) ReadBlobMSBShort(image);
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rla_info.active_window.left=(short) ReadBlobMSBShort(image);
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rla_info.active_window.right=(short) ReadBlobMSBShort(image);
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rla_info.active_window.bottom=(short) ReadBlobMSBShort(image);
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rla_info.active_window.top=(short) ReadBlobMSBShort(image);
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rla_info.frame=(short) ReadBlobMSBShort(image);
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rla_info.storage_type=(short) ReadBlobMSBShort(image);
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rla_info.number_channels=(short) ReadBlobMSBShort(image);
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rla_info.number_matte_channels=(short) ReadBlobMSBShort(image);
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if (rla_info.number_channels == 0)
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rla_info.number_channels=3;
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rla_info.number_channels+=rla_info.number_matte_channels;
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rla_info.number_auxiliary_channels=(short) ReadBlobMSBShort(image);
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rla_info.revision=(short) ReadBlobMSBShort(image);
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count=ReadBlob(image,16,(unsigned char *) rla_info.gamma);
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count=ReadBlob(image,24,(unsigned char *) rla_info.red_primary);
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count=ReadBlob(image,24,(unsigned char *) rla_info.green_primary);
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count=ReadBlob(image,24,(unsigned char *) rla_info.blue_primary);
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count=ReadBlob(image,24,(unsigned char *) rla_info.white_point);
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rla_info.job_number=(int) ReadBlobMSBLong(image);
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count=ReadBlob(image,128,(unsigned char *) rla_info.name);
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count=ReadBlob(image,128,(unsigned char *) rla_info.description);
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count=ReadBlob(image,64,(unsigned char *) rla_info.program);
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count=ReadBlob(image,32,(unsigned char *) rla_info.machine);
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count=ReadBlob(image,32,(unsigned char *) rla_info.user);
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count=ReadBlob(image,20,(unsigned char *) rla_info.date);
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count=ReadBlob(image,24,(unsigned char *) rla_info.aspect);
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count=ReadBlob(image,8,(unsigned char *) rla_info.aspect_ratio);
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count=ReadBlob(image,32,(unsigned char *) rla_info.chan);
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rla_info.field=(short) ReadBlobMSBShort(image);
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count=ReadBlob(image,12,(unsigned char *) rla_info.time);
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count=ReadBlob(image,32,(unsigned char *) rla_info.filter);
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rla_info.bits_per_channel=(short) ReadBlobMSBShort(image);
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rla_info.matte_type=(short) ReadBlobMSBShort(image);
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rla_info.matte_bits=(short) ReadBlobMSBShort(image);
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rla_info.auxiliary_type=(short) ReadBlobMSBShort(image);
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rla_info.auxiliary_bits=(short) ReadBlobMSBShort(image);
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count=ReadBlob(image,32,(unsigned char *) rla_info.auxiliary);
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count=ReadBlob(image,36,(unsigned char *) rla_info.space);
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if ((size_t) count != 36)
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ThrowReaderException(CorruptImageError,"UnableToReadImageData");
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rla_info.next=(int) ReadBlobMSBLong(image);
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/*
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Initialize image structure.
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*/
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image->matte=rla_info.number_matte_channels != 0 ? MagickTrue : MagickFalse;
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image->columns=1UL*rla_info.active_window.right-rla_info.active_window.left+1;
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image->rows=1UL*rla_info.active_window.top-rla_info.active_window.bottom+1;
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if (image_info->ping != MagickFalse)
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{
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(void) CloseBlob(image);
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return(GetFirstImageInList(image));
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}
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scanlines=(ssize_t *) AcquireQuantumMemory(image->rows,sizeof(*scanlines));
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if (scanlines == (ssize_t *) NULL)
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ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
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if (*rla_info.description != '\0')
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(void) SetImageProperty(image,"comment",rla_info.description);
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/*
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Read offsets to each scanline data.
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*/
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for (i=0; i < (ssize_t) image->rows; i++)
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scanlines[i]=(int) ReadBlobMSBLong(image);
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/*
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Read image data.
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*/
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x=0;
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for (y=0; y < (ssize_t) image->rows; y++)
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{
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offset=SeekBlob(image,scanlines[image->rows-y-1],SEEK_SET);
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if (offset < 0)
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ThrowReaderException(CorruptImageError,"ImproperImageHeader");
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for (channel=0; channel < (int) rla_info.number_channels; channel++)
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{
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length=(int) ReadBlobMSBShort(image);
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while (length > 0)
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{
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byte=(unsigned char) ReadBlobByte(image);
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runlength=byte;
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if (byte > 127)
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runlength=byte-256;
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length--;
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if (length == 0)
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break;
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if (runlength < 0)
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{
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while (runlength < 0)
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{
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q=GetAuthenticPixels(image,(ssize_t) (x % image->columns),
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(ssize_t) (y % image->rows),1,1,exception);
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if (q == (PixelPacket *) NULL)
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break;
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byte=(unsigned char) ReadBlobByte(image);
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length--;
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switch (channel)
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{
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case 0:
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{
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SetPixelRed(q,ScaleCharToQuantum(byte));
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break;
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}
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case 1:
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{
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SetPixelGreen(q,ScaleCharToQuantum(byte));
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break;
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}
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case 2:
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{
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SetPixelBlue(q,ScaleCharToQuantum(byte));
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break;
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}
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case 3:
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default:
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{
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SetPixelAlpha(q,ScaleCharToQuantum(byte));
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break;
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}
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}
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if (SyncAuthenticPixels(image,exception) == MagickFalse)
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break;
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x++;
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runlength++;
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}
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continue;
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}
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byte=(unsigned char) ReadBlobByte(image);
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length--;
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runlength++;
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do
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{
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q=GetAuthenticPixels(image,(ssize_t) (x % image->columns),
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(ssize_t) (y % image->rows),1,1,exception);
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if (q == (PixelPacket *) NULL)
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break;
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switch (channel)
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{
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case 0:
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{
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SetPixelRed(q,ScaleCharToQuantum(byte));
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break;
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}
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case 1:
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{
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SetPixelGreen(q,ScaleCharToQuantum(byte));
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break;
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}
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case 2:
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{
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SetPixelBlue(q,ScaleCharToQuantum(byte));
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break;
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}
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case 3:
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default:
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{
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SetPixelAlpha(q,ScaleCharToQuantum(byte));
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break;
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}
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}
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if (SyncAuthenticPixels(image,exception) == MagickFalse)
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break;
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x++;
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runlength--;
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}
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while (runlength > 0);
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}
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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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if (EOFBlob(image) != MagickFalse)
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ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
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image->filename);
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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 R L A 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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% RegisterRLAImage() adds attributes for the RLA 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 RegisterRLAImage method is:
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%
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% size_t RegisterRLAImage(void)
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%
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*/
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ModuleExport size_t RegisterRLAImage(void)
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{
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MagickInfo
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*entry;
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entry=SetMagickInfo("RLA");
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entry->decoder=(DecodeImageHandler *) ReadRLAImage;
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entry->adjoin=MagickFalse;
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entry->seekable_stream=MagickTrue;
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entry->description=ConstantString("Alias/Wavefront image");
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entry->module=ConstantString("RLA");
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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 R L A 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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% UnregisterRLAImage() removes format registrations made by the
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% RLA module from the list of supported formats.
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%
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% The format of the UnregisterRLAImage method is:
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%
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% UnregisterRLAImage(void)
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%
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*/
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ModuleExport void UnregisterRLAImage(void)
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{
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(void) UnregisterMagickInfo("RLA");
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}
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