forked from openkylin/imagemagick
2460 lines
83 KiB
C
2460 lines
83 KiB
C
/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% BBBB M M PPPP %
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% B B MM MM P P %
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% BBBB M M M PPPP %
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% B B M M P %
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% BBBB M M P %
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% %
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% %
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% Read/Write Microsoft Windows Bitmap Image Format %
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% %
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% Software Design %
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% Cristy %
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% Glenn Randers-Pehrson %
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% December 2001 %
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% %
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% %
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% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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% https://imagemagick.org/script/license.php %
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% %
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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%
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*/
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/*
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Include declarations.
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*/
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#include "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/colormap-private.h"
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#include "magick/color-private.h"
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#include "magick/colormap.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/log.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/option.h"
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#include "magick/pixel-accessor.h"
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#include "magick/profile.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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#include "magick/transform.h"
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/*
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Macro definitions (from Windows wingdi.h).
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*/
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#undef BI_JPEG
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#define BI_JPEG 4
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#undef BI_PNG
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#define BI_PNG 5
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#if !defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__MINGW32__)
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#undef BI_RGB
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#define BI_RGB 0
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#undef BI_RLE8
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#define BI_RLE8 1
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#undef BI_RLE4
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#define BI_RLE4 2
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#undef BI_BITFIELDS
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#define BI_BITFIELDS 3
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#undef LCS_CALIBRATED_RBG
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#define LCS_CALIBRATED_RBG 0
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#undef LCS_sRGB
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#define LCS_sRGB 1
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#undef LCS_WINDOWS_COLOR_SPACE
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#define LCS_WINDOWS_COLOR_SPACE 2
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#undef PROFILE_LINKED
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#define PROFILE_LINKED 3
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#undef PROFILE_EMBEDDED
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#define PROFILE_EMBEDDED 4
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#undef LCS_GM_BUSINESS
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#define LCS_GM_BUSINESS 1 /* Saturation */
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#undef LCS_GM_GRAPHICS
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#define LCS_GM_GRAPHICS 2 /* Relative */
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#undef LCS_GM_IMAGES
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#define LCS_GM_IMAGES 4 /* Perceptual */
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#undef LCS_GM_ABS_COLORIMETRIC
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#define LCS_GM_ABS_COLORIMETRIC 8 /* Absolute */
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#endif
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/*
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Enumerated declaractions.
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*/
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typedef enum
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{
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UndefinedSubtype,
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RGB555,
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RGB565,
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ARGB4444,
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ARGB1555
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} BMPSubtype;
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/*
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Typedef declarations.
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*/
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typedef struct _BMPInfo
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{
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unsigned int
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file_size,
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ba_offset,
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offset_bits,
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size;
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ssize_t
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width,
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height;
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unsigned short
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planes,
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bits_per_pixel;
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unsigned int
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compression,
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image_size,
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x_pixels,
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y_pixels,
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number_colors,
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red_mask,
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green_mask,
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blue_mask,
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alpha_mask,
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colors_important;
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long
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colorspace;
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PrimaryInfo
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red_primary,
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green_primary,
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blue_primary,
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gamma_scale;
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} BMPInfo;
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/*
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Forward declarations.
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*/
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static MagickBooleanType
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WriteBMPImage(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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% D e c o d e 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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% DecodeImage unpacks the packed image pixels into runlength-encoded
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% pixel packets.
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%
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% The format of the DecodeImage method is:
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%
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% MagickBooleanType DecodeImage(Image *image,
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% const size_t compression,unsigned char *pixels,
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% const size_t number_pixels)
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%
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% A description of each parameter follows:
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%
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% o image: the address of a structure of type Image.
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%
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% o compression: Zero means uncompressed. A value of 1 means the
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% compressed pixels are runlength encoded for a 256-color bitmap.
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% A value of 2 means a 16-color bitmap. A value of 3 means bitfields
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% encoding.
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%
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% o pixels: The address of a byte (8 bits) array of pixel data created by
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% the decoding process.
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%
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% o number_pixels: The number of pixels.
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%
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*/
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static MagickBooleanType DecodeImage(Image *image,const size_t compression,
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unsigned char *pixels,const size_t number_pixels)
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{
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int
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byte,
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count;
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ssize_t
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i,
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x;
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unsigned char
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*p,
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*q;
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ssize_t
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y;
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assert(image != (Image *) NULL);
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assert(image->signature == MagickCoreSignature);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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assert(pixels != (unsigned char *) NULL);
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(void) memset(pixels,0,number_pixels*sizeof(*pixels));
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byte=0;
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x=0;
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p=pixels;
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q=pixels+number_pixels;
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for (y=0; y < (ssize_t) image->rows; )
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{
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MagickBooleanType
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status;
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if ((p < pixels) || (p > q))
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break;
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count=ReadBlobByte(image);
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if (count == EOF)
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break;
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if (count > 0)
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{
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/*
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Encoded mode.
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*/
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count=(int) MagickMin((ssize_t) count,(ssize_t) (q-p));
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byte=ReadBlobByte(image);
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if (byte == EOF)
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break;
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if (compression == BI_RLE8)
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{
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for (i=0; i < (ssize_t) count; i++)
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*p++=(unsigned char) byte;
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}
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else
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{
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for (i=0; i < (ssize_t) count; i++)
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*p++=(unsigned char) ((i & 0x01) != 0 ? (byte & 0x0f) :
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((byte >> 4) & 0x0f));
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}
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x+=count;
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}
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else
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{
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/*
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Escape mode.
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*/
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count=ReadBlobByte(image);
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if (count == EOF)
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break;
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if (count == 0x01)
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return(MagickTrue);
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switch (count)
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{
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case 0x00:
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{
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/*
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End of line.
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*/
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x=0;
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y++;
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p=pixels+y*image->columns;
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break;
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}
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case 0x02:
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{
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/*
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Delta mode.
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*/
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x+=ReadBlobByte(image);
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y+=ReadBlobByte(image);
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p=pixels+y*image->columns+x;
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break;
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}
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default:
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{
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/*
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Absolute mode.
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*/
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count=(int) MagickMin((ssize_t) count,(ssize_t) (q-p));
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if (compression == BI_RLE8)
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for (i=0; i < (ssize_t) count; i++)
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{
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byte=ReadBlobByte(image);
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if (byte == EOF)
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break;
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*p++=(unsigned char) byte;
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}
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else
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for (i=0; i < (ssize_t) count; i++)
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{
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if ((i & 0x01) == 0)
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{
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byte=ReadBlobByte(image);
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if (byte == EOF)
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break;
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}
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*p++=(unsigned char)
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((i & 0x01) != 0 ? (byte & 0x0f) : ((byte >> 4) & 0x0f));
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}
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x+=count;
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/*
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Read pad byte.
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*/
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if (compression == BI_RLE8)
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{
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if ((count & 0x01) != 0)
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if (ReadBlobByte(image) == EOF)
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break;
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}
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else
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if (((count & 0x03) == 1) || ((count & 0x03) == 2))
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if (ReadBlobByte(image) == EOF)
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break;
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break;
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}
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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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(void) ReadBlobByte(image); /* end of line */
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(void) ReadBlobByte(image);
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return(y < (ssize_t) image->rows ? MagickFalse : MagickTrue);
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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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% E n c o d e 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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% EncodeImage compresses pixels using a runlength encoded format.
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%
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% The format of the EncodeImage method is:
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%
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% static MagickBooleanType EncodeImage(Image *image,
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% const size_t bytes_per_line,const unsigned char *pixels,
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% unsigned char *compressed_pixels)
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%
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% A description of each parameter follows:
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%
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% o image: The image.
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%
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% o bytes_per_line: the number of bytes in a scanline of compressed pixels
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%
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% o pixels: The address of a byte (8 bits) array of pixel data created by
|
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% the compression process.
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%
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% o compressed_pixels: The address of a byte (8 bits) array of compressed
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% pixel data.
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%
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*/
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static size_t EncodeImage(Image *image,const size_t bytes_per_line,
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const unsigned char *pixels,unsigned char *compressed_pixels)
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{
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MagickBooleanType
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status;
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|
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const unsigned char
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*p;
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|
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ssize_t
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i,
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x;
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|
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unsigned char
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*q;
|
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|
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ssize_t
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y;
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/*
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Runlength encode pixels.
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*/
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assert(image != (Image *) NULL);
|
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assert(image->signature == MagickCoreSignature);
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
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assert(pixels != (const unsigned char *) NULL);
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assert(compressed_pixels != (unsigned char *) NULL);
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p=pixels;
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q=compressed_pixels;
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i=0;
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for (y=0; y < (ssize_t) image->rows; y++)
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{
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for (x=0; x < (ssize_t) bytes_per_line; x+=i)
|
||
{
|
||
/*
|
||
Determine runlength.
|
||
*/
|
||
for (i=1; ((x+i) < (ssize_t) bytes_per_line); i++)
|
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if ((i == 255) || (*(p+i) != *p))
|
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break;
|
||
*q++=(unsigned char) i;
|
||
*q++=(*p);
|
||
p+=i;
|
||
}
|
||
/*
|
||
End of line.
|
||
*/
|
||
*q++=(unsigned char) 0x00;
|
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*q++=(unsigned char) 0x00;
|
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status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
|
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image->rows);
|
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if (status == MagickFalse)
|
||
break;
|
||
}
|
||
/*
|
||
End of bitmap.
|
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*/
|
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*q++=(unsigned char) 0x00;
|
||
*q++=(unsigned char) 0x01;
|
||
return((size_t) (q-compressed_pixels));
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% I s B M P %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% IsBMP() returns MagickTrue if the image format type, identified by the
|
||
% magick string, is BMP.
|
||
%
|
||
% The format of the IsBMP method is:
|
||
%
|
||
% MagickBooleanType IsBMP(const unsigned char *magick,const size_t length)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o magick: compare image format pattern against these bytes.
|
||
%
|
||
% o length: Specifies the length of the magick string.
|
||
%
|
||
*/
|
||
static MagickBooleanType IsBMP(const unsigned char *magick,const size_t length)
|
||
{
|
||
if (length < 2)
|
||
return(MagickFalse);
|
||
if ((LocaleNCompare((char *) magick,"BA",2) == 0) ||
|
||
(LocaleNCompare((char *) magick,"BM",2) == 0) ||
|
||
(LocaleNCompare((char *) magick,"IC",2) == 0) ||
|
||
(LocaleNCompare((char *) magick,"PI",2) == 0) ||
|
||
(LocaleNCompare((char *) magick,"CI",2) == 0) ||
|
||
(LocaleNCompare((char *) magick,"CP",2) == 0))
|
||
return(MagickTrue);
|
||
return(MagickFalse);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% R e a d B M P I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% ReadBMPImage() reads a Microsoft Windows bitmap image file, Version
|
||
% 2, 3 (for Windows or NT), or 4, and returns it. It allocates the memory
|
||
% necessary for the new Image structure and returns a pointer to the new
|
||
% image.
|
||
%
|
||
% The format of the ReadBMPImage method is:
|
||
%
|
||
% image=ReadBMPImage(image_info)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image_info: the image info.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
|
||
static Image *ReadBMPImage(const ImageInfo *image_info,ExceptionInfo *exception)
|
||
{
|
||
BMPInfo
|
||
bmp_info;
|
||
|
||
Image
|
||
*image;
|
||
|
||
IndexPacket
|
||
index;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
MagickOffsetType
|
||
offset,
|
||
profile_data,
|
||
profile_size,
|
||
start_position;
|
||
|
||
MagickSizeType
|
||
blob_size;
|
||
|
||
MemoryInfo
|
||
*pixel_info;
|
||
|
||
IndexPacket
|
||
*indexes;
|
||
|
||
PixelPacket
|
||
*q;
|
||
|
||
ssize_t
|
||
i,
|
||
x;
|
||
|
||
unsigned char
|
||
*p;
|
||
|
||
size_t
|
||
bit,
|
||
bytes_per_line,
|
||
length;
|
||
|
||
ssize_t
|
||
count,
|
||
y;
|
||
|
||
unsigned char
|
||
magick[12],
|
||
*pixels;
|
||
|
||
unsigned int
|
||
blue,
|
||
green,
|
||
offset_bits,
|
||
red;
|
||
|
||
/*
|
||
Open image file.
|
||
*/
|
||
assert(image_info != (const ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickCoreSignature);
|
||
if (image_info->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
|
||
image_info->filename);
|
||
assert(exception != (ExceptionInfo *) NULL);
|
||
assert(exception->signature == MagickCoreSignature);
|
||
image=AcquireImage(image_info);
|
||
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
|
||
if (status == MagickFalse)
|
||
{
|
||
image=DestroyImageList(image);
|
||
return((Image *) NULL);
|
||
}
|
||
/*
|
||
Determine if this a BMP file.
|
||
*/
|
||
(void) memset(&bmp_info,0,sizeof(bmp_info));
|
||
bmp_info.ba_offset=0;
|
||
start_position=0;
|
||
offset_bits=0;
|
||
count=ReadBlob(image,2,magick);
|
||
if (count != 2)
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
blob_size=GetBlobSize(image);
|
||
do
|
||
{
|
||
LongPixelPacket
|
||
shift;
|
||
|
||
PixelPacket
|
||
quantum_bits;
|
||
|
||
/*
|
||
Verify BMP identifier.
|
||
*/
|
||
start_position=TellBlob(image)-2;
|
||
bmp_info.ba_offset=0;
|
||
while (LocaleNCompare((char *) magick,"BA",2) == 0)
|
||
{
|
||
bmp_info.file_size=ReadBlobLSBLong(image);
|
||
bmp_info.ba_offset=ReadBlobLSBLong(image);
|
||
bmp_info.offset_bits=ReadBlobLSBLong(image);
|
||
count=ReadBlob(image,2,magick);
|
||
if (count != 2)
|
||
break;
|
||
}
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule()," Magick: %c%c",
|
||
magick[0],magick[1]);
|
||
if ((count != 2) || ((LocaleNCompare((char *) magick,"BM",2) != 0) &&
|
||
(LocaleNCompare((char *) magick,"CI",2) != 0)))
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
bmp_info.file_size=ReadBlobLSBLong(image);
|
||
(void) ReadBlobLSBLong(image);
|
||
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" File_size in header: %u bytes",bmp_info.file_size);
|
||
|
||
bmp_info.offset_bits=ReadBlobLSBLong(image);
|
||
bmp_info.size=ReadBlobLSBLong(image);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule()," BMP size: %u",
|
||
bmp_info.size);
|
||
profile_data=0;
|
||
profile_size=0;
|
||
if (bmp_info.size == 12)
|
||
{
|
||
/*
|
||
OS/2 BMP image file.
|
||
*/
|
||
(void) CopyMagickString(image->magick,"BMP2",MaxTextExtent);
|
||
bmp_info.width=(ssize_t) ((short) ReadBlobLSBShort(image));
|
||
bmp_info.height=(ssize_t) ((short) ReadBlobLSBShort(image));
|
||
bmp_info.planes=ReadBlobLSBShort(image);
|
||
bmp_info.bits_per_pixel=ReadBlobLSBShort(image);
|
||
bmp_info.x_pixels=0;
|
||
bmp_info.y_pixels=0;
|
||
bmp_info.number_colors=0;
|
||
bmp_info.compression=BI_RGB;
|
||
bmp_info.image_size=0;
|
||
bmp_info.alpha_mask=0;
|
||
if (image->debug != MagickFalse)
|
||
{
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Format: OS/2 Bitmap");
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Geometry: %.20gx%.20g",(double) bmp_info.width,(double)
|
||
bmp_info.height);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/*
|
||
Microsoft Windows BMP image file.
|
||
*/
|
||
bmp_info.width=(ssize_t) ReadBlobLSBSignedLong(image);
|
||
bmp_info.height=(ssize_t) ReadBlobLSBSignedLong(image);
|
||
bmp_info.planes=ReadBlobLSBShort(image);
|
||
bmp_info.bits_per_pixel=ReadBlobLSBShort(image);
|
||
bmp_info.compression=ReadBlobLSBLong(image);
|
||
if (bmp_info.size > 16)
|
||
{
|
||
bmp_info.image_size=ReadBlobLSBLong(image);
|
||
bmp_info.x_pixels=ReadBlobLSBLong(image);
|
||
bmp_info.y_pixels=ReadBlobLSBLong(image);
|
||
bmp_info.number_colors=ReadBlobLSBLong(image);
|
||
if ((MagickSizeType) bmp_info.number_colors > blob_size)
|
||
ThrowReaderException(CorruptImageError,
|
||
"InsufficientImageDataInFile");
|
||
bmp_info.colors_important=ReadBlobLSBLong(image);
|
||
}
|
||
if (image->debug != MagickFalse)
|
||
{
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Format: MS Windows bitmap");
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Geometry: %.20gx%.20g",(double) bmp_info.width,(double)
|
||
bmp_info.height);
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Bits per pixel: %.20g",(double) bmp_info.bits_per_pixel);
|
||
switch (bmp_info.compression)
|
||
{
|
||
case BI_RGB:
|
||
{
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Compression: BI_RGB");
|
||
break;
|
||
}
|
||
case BI_RLE4:
|
||
{
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Compression: BI_RLE4");
|
||
break;
|
||
}
|
||
case BI_RLE8:
|
||
{
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Compression: BI_RLE8");
|
||
break;
|
||
}
|
||
case BI_BITFIELDS:
|
||
{
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Compression: BI_BITFIELDS");
|
||
break;
|
||
}
|
||
case BI_PNG:
|
||
{
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Compression: BI_PNG");
|
||
break;
|
||
}
|
||
case BI_JPEG:
|
||
{
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Compression: BI_JPEG");
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Compression: UNKNOWN (%u)",bmp_info.compression);
|
||
}
|
||
}
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Number of colors: %u",bmp_info.number_colors);
|
||
}
|
||
if ((bmp_info.size > 40) || (bmp_info.compression == BI_BITFIELDS))
|
||
{
|
||
bmp_info.red_mask=ReadBlobLSBLong(image);
|
||
bmp_info.green_mask=ReadBlobLSBLong(image);
|
||
bmp_info.blue_mask=ReadBlobLSBLong(image);
|
||
}
|
||
if (bmp_info.size > 40)
|
||
{
|
||
double
|
||
gamma;
|
||
|
||
/*
|
||
Read color management information.
|
||
*/
|
||
bmp_info.alpha_mask=ReadBlobLSBLong(image);
|
||
bmp_info.colorspace=ReadBlobLSBSignedLong(image);
|
||
/*
|
||
Decode 2^30 fixed point formatted CIE primaries.
|
||
*/
|
||
# define BMP_DENOM ((double) 0x40000000)
|
||
bmp_info.red_primary.x=(double) ReadBlobLSBLong(image)/BMP_DENOM;
|
||
bmp_info.red_primary.y=(double) ReadBlobLSBLong(image)/BMP_DENOM;
|
||
bmp_info.red_primary.z=(double) ReadBlobLSBLong(image)/BMP_DENOM;
|
||
bmp_info.green_primary.x=(double) ReadBlobLSBLong(image)/BMP_DENOM;
|
||
bmp_info.green_primary.y=(double) ReadBlobLSBLong(image)/BMP_DENOM;
|
||
bmp_info.green_primary.z=(double) ReadBlobLSBLong(image)/BMP_DENOM;
|
||
bmp_info.blue_primary.x=(double) ReadBlobLSBLong(image)/BMP_DENOM;
|
||
bmp_info.blue_primary.y=(double) ReadBlobLSBLong(image)/BMP_DENOM;
|
||
bmp_info.blue_primary.z=(double) ReadBlobLSBLong(image)/BMP_DENOM;
|
||
|
||
gamma=bmp_info.red_primary.x+bmp_info.red_primary.y+
|
||
bmp_info.red_primary.z;
|
||
gamma=PerceptibleReciprocal(gamma);
|
||
bmp_info.red_primary.x*=gamma;
|
||
bmp_info.red_primary.y*=gamma;
|
||
image->chromaticity.red_primary.x=bmp_info.red_primary.x;
|
||
image->chromaticity.red_primary.y=bmp_info.red_primary.y;
|
||
|
||
gamma=bmp_info.green_primary.x+bmp_info.green_primary.y+
|
||
bmp_info.green_primary.z;
|
||
gamma=PerceptibleReciprocal(gamma);
|
||
bmp_info.green_primary.x*=gamma;
|
||
bmp_info.green_primary.y*=gamma;
|
||
image->chromaticity.green_primary.x=bmp_info.green_primary.x;
|
||
image->chromaticity.green_primary.y=bmp_info.green_primary.y;
|
||
|
||
gamma=bmp_info.blue_primary.x+bmp_info.blue_primary.y+
|
||
bmp_info.blue_primary.z;
|
||
gamma=PerceptibleReciprocal(gamma);
|
||
bmp_info.blue_primary.x*=gamma;
|
||
bmp_info.blue_primary.y*=gamma;
|
||
image->chromaticity.blue_primary.x=bmp_info.blue_primary.x;
|
||
image->chromaticity.blue_primary.y=bmp_info.blue_primary.y;
|
||
|
||
/*
|
||
Decode 16^16 fixed point formatted gamma_scales.
|
||
*/
|
||
bmp_info.gamma_scale.x=(double) ReadBlobLSBLong(image)/0x10000;
|
||
bmp_info.gamma_scale.y=(double) ReadBlobLSBLong(image)/0x10000;
|
||
bmp_info.gamma_scale.z=(double) ReadBlobLSBLong(image)/0x10000;
|
||
/*
|
||
Compute a single gamma from the BMP 3-channel gamma.
|
||
*/
|
||
image->gamma=(bmp_info.gamma_scale.x+bmp_info.gamma_scale.y+
|
||
bmp_info.gamma_scale.z)/3.0;
|
||
}
|
||
else
|
||
(void) CopyMagickString(image->magick,"BMP3",MaxTextExtent);
|
||
|
||
if (bmp_info.size > 108)
|
||
{
|
||
size_t
|
||
intent;
|
||
|
||
/*
|
||
Read BMP Version 5 color management information.
|
||
*/
|
||
intent=ReadBlobLSBLong(image);
|
||
switch ((int) intent)
|
||
{
|
||
case LCS_GM_BUSINESS:
|
||
{
|
||
image->rendering_intent=SaturationIntent;
|
||
break;
|
||
}
|
||
case LCS_GM_GRAPHICS:
|
||
{
|
||
image->rendering_intent=RelativeIntent;
|
||
break;
|
||
}
|
||
case LCS_GM_IMAGES:
|
||
{
|
||
image->rendering_intent=PerceptualIntent;
|
||
break;
|
||
}
|
||
case LCS_GM_ABS_COLORIMETRIC:
|
||
{
|
||
image->rendering_intent=AbsoluteIntent;
|
||
break;
|
||
}
|
||
}
|
||
profile_data=(MagickOffsetType) ReadBlobLSBLong(image);
|
||
profile_size=(MagickOffsetType) ReadBlobLSBLong(image);
|
||
(void) ReadBlobLSBLong(image); /* Reserved byte */
|
||
}
|
||
}
|
||
if ((MagickSizeType) bmp_info.file_size != blob_size)
|
||
{
|
||
const char
|
||
*option;
|
||
|
||
option=GetImageOption(image_info,"bmp:ignore-filesize");
|
||
if (IsStringTrue(option) == MagickFalse)
|
||
(void) ThrowMagickException(exception,GetMagickModule(),
|
||
CorruptImageError,"LengthAndFilesizeDoNotMatch","`%s'",
|
||
image->filename);
|
||
}
|
||
if (bmp_info.width <= 0)
|
||
ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize");
|
||
if (bmp_info.height == 0)
|
||
ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize");
|
||
if (bmp_info.planes != 1)
|
||
ThrowReaderException(CorruptImageError,"StaticPlanesValueNotEqualToOne");
|
||
if ((bmp_info.bits_per_pixel != 1) && (bmp_info.bits_per_pixel != 4) &&
|
||
(bmp_info.bits_per_pixel != 8) && (bmp_info.bits_per_pixel != 16) &&
|
||
(bmp_info.bits_per_pixel != 24) && (bmp_info.bits_per_pixel != 32))
|
||
ThrowReaderException(CorruptImageError,"UnsupportedBitsPerPixel");
|
||
if (bmp_info.bits_per_pixel < 16 &&
|
||
bmp_info.number_colors > (1U << bmp_info.bits_per_pixel))
|
||
ThrowReaderException(CorruptImageError,"UnrecognizedNumberOfColors");
|
||
if ((bmp_info.compression == BI_RLE8) && (bmp_info.bits_per_pixel != 8))
|
||
ThrowReaderException(CorruptImageError,"UnsupportedBitsPerPixel");
|
||
if ((bmp_info.compression == BI_RLE4) && (bmp_info.bits_per_pixel != 4))
|
||
ThrowReaderException(CorruptImageError,"UnsupportedBitsPerPixel");
|
||
if ((bmp_info.compression == BI_BITFIELDS) && (bmp_info.bits_per_pixel < 16))
|
||
ThrowReaderException(CorruptImageError,"UnsupportedBitsPerPixel");
|
||
switch (bmp_info.compression)
|
||
{
|
||
case BI_RGB:
|
||
image->compression=NoCompression;
|
||
break;
|
||
case BI_RLE8:
|
||
case BI_RLE4:
|
||
image->compression=RLECompression;
|
||
break;
|
||
case BI_BITFIELDS:
|
||
break;
|
||
case BI_JPEG:
|
||
ThrowReaderException(CoderError,"JPEGCompressNotSupported");
|
||
case BI_PNG:
|
||
ThrowReaderException(CoderError,"PNGCompressNotSupported");
|
||
default:
|
||
ThrowReaderException(CorruptImageError,"UnrecognizedImageCompression");
|
||
}
|
||
image->columns=(size_t) MagickAbsoluteValue(bmp_info.width);
|
||
image->rows=(size_t) MagickAbsoluteValue(bmp_info.height);
|
||
image->depth=bmp_info.bits_per_pixel <= 8 ? bmp_info.bits_per_pixel : 8;
|
||
image->matte=((bmp_info.alpha_mask != 0) &&
|
||
(bmp_info.compression == BI_BITFIELDS)) ? MagickTrue : MagickFalse;
|
||
if (bmp_info.bits_per_pixel < 16)
|
||
{
|
||
size_t
|
||
one;
|
||
|
||
image->storage_class=PseudoClass;
|
||
image->colors=bmp_info.number_colors;
|
||
one=1;
|
||
if (image->colors == 0)
|
||
image->colors=one << bmp_info.bits_per_pixel;
|
||
}
|
||
image->x_resolution=(double) bmp_info.x_pixels/100.0;
|
||
image->y_resolution=(double) bmp_info.y_pixels/100.0;
|
||
image->units=PixelsPerCentimeterResolution;
|
||
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
|
||
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
|
||
break;
|
||
status=SetImageExtent(image,image->columns,image->rows);
|
||
if (status == MagickFalse)
|
||
{
|
||
InheritException(exception,&image->exception);
|
||
return(DestroyImageList(image));
|
||
}
|
||
if (image->storage_class == PseudoClass)
|
||
{
|
||
unsigned char
|
||
*bmp_colormap;
|
||
|
||
size_t
|
||
packet_size;
|
||
|
||
/*
|
||
Read BMP raster colormap.
|
||
*/
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Reading colormap of %.20g colors",(double) image->colors);
|
||
if (AcquireImageColormap(image,image->colors) == MagickFalse)
|
||
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
||
bmp_colormap=(unsigned char *) AcquireQuantumMemory((size_t)
|
||
image->colors,4*sizeof(*bmp_colormap));
|
||
if (bmp_colormap == (unsigned char *) NULL)
|
||
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
||
if ((bmp_info.size == 12) || (bmp_info.size == 64))
|
||
packet_size=3;
|
||
else
|
||
packet_size=4;
|
||
offset=SeekBlob(image,start_position+14+bmp_info.size,SEEK_SET);
|
||
if (offset < 0)
|
||
{
|
||
bmp_colormap=(unsigned char *) RelinquishMagickMemory(bmp_colormap);
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
}
|
||
count=ReadBlob(image,packet_size*image->colors,bmp_colormap);
|
||
if (count != (ssize_t) (packet_size*image->colors))
|
||
{
|
||
bmp_colormap=(unsigned char *) RelinquishMagickMemory(bmp_colormap);
|
||
ThrowReaderException(CorruptImageError,
|
||
"InsufficientImageDataInFile");
|
||
}
|
||
p=bmp_colormap;
|
||
for (i=0; i < (ssize_t) image->colors; i++)
|
||
{
|
||
image->colormap[i].blue=ScaleCharToQuantum(*p++);
|
||
image->colormap[i].green=ScaleCharToQuantum(*p++);
|
||
image->colormap[i].red=ScaleCharToQuantum(*p++);
|
||
if (packet_size == 4)
|
||
p++;
|
||
}
|
||
bmp_colormap=(unsigned char *) RelinquishMagickMemory(bmp_colormap);
|
||
}
|
||
/*
|
||
Read image data.
|
||
*/
|
||
if (bmp_info.offset_bits == offset_bits)
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
offset_bits=bmp_info.offset_bits;
|
||
offset=SeekBlob(image,start_position+bmp_info.offset_bits,SEEK_SET);
|
||
if (offset < 0)
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
if (bmp_info.compression == BI_RLE4)
|
||
bmp_info.bits_per_pixel<<=1;
|
||
bytes_per_line=4*((image->columns*bmp_info.bits_per_pixel+31)/32);
|
||
length=(size_t) bytes_per_line*image->rows;
|
||
if ((MagickSizeType) (length/256) > blob_size)
|
||
ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
|
||
if ((bmp_info.compression == BI_RGB) ||
|
||
(bmp_info.compression == BI_BITFIELDS))
|
||
{
|
||
pixel_info=AcquireVirtualMemory(image->rows,MagickMax(bytes_per_line,
|
||
image->columns+256UL)*sizeof(*pixels));
|
||
if (pixel_info == (MemoryInfo *) NULL)
|
||
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
||
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Reading pixels (%.20g bytes)",(double) length);
|
||
count=ReadBlob(image,length,pixels);
|
||
if (count != (ssize_t) length)
|
||
{
|
||
pixel_info=RelinquishVirtualMemory(pixel_info);
|
||
ThrowReaderException(CorruptImageError,
|
||
"InsufficientImageDataInFile");
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/*
|
||
Convert run-length encoded raster pixels.
|
||
*/
|
||
pixel_info=AcquireVirtualMemory(image->rows,MagickMax(bytes_per_line,
|
||
image->columns+256UL)*sizeof(*pixels));
|
||
if (pixel_info == (MemoryInfo *) NULL)
|
||
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
|
||
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
|
||
status=DecodeImage(image,bmp_info.compression,pixels,
|
||
image->columns*image->rows);
|
||
if (status == MagickFalse)
|
||
{
|
||
pixel_info=RelinquishVirtualMemory(pixel_info);
|
||
ThrowReaderException(CorruptImageError,
|
||
"UnableToRunlengthDecodeImage");
|
||
}
|
||
}
|
||
/*
|
||
Convert BMP raster image to pixel packets.
|
||
*/
|
||
if (bmp_info.compression == BI_RGB)
|
||
{
|
||
/*
|
||
We should ignore the alpha value in BMP3 files but there have been
|
||
reports about 32 bit files with alpha. We do a quick check to see if
|
||
the alpha channel contains a value that is not zero (default value).
|
||
If we find a non zero value we asume the program that wrote the file
|
||
wants to use the alpha channel.
|
||
*/
|
||
if ((image->matte == MagickFalse) && (bmp_info.size == 40) &&
|
||
(bmp_info.bits_per_pixel == 32))
|
||
{
|
||
bytes_per_line=4*(image->columns);
|
||
for (y=(ssize_t) image->rows-1; y >= 0; y--)
|
||
{
|
||
p=pixels+(image->rows-y-1)*bytes_per_line;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
if (*(p+3) != 0)
|
||
{
|
||
image->matte=MagickTrue;
|
||
y=-1;
|
||
break;
|
||
}
|
||
p+=4;
|
||
}
|
||
}
|
||
}
|
||
bmp_info.alpha_mask=image->matte != MagickFalse ? 0xff000000U : 0U;
|
||
bmp_info.red_mask=0x00ff0000U;
|
||
bmp_info.green_mask=0x0000ff00U;
|
||
bmp_info.blue_mask=0x000000ffU;
|
||
if (bmp_info.bits_per_pixel == 16)
|
||
{
|
||
/*
|
||
RGB555.
|
||
*/
|
||
bmp_info.red_mask=0x00007c00U;
|
||
bmp_info.green_mask=0x000003e0U;
|
||
bmp_info.blue_mask=0x0000001fU;
|
||
}
|
||
}
|
||
(void) memset(&shift,0,sizeof(shift));
|
||
(void) memset(&quantum_bits,0,sizeof(quantum_bits));
|
||
if ((bmp_info.bits_per_pixel == 16) || (bmp_info.bits_per_pixel == 32))
|
||
{
|
||
size_t
|
||
sample;
|
||
|
||
/*
|
||
Get shift and quantum bits info from bitfield masks.
|
||
*/
|
||
if (bmp_info.red_mask != 0)
|
||
while (((bmp_info.red_mask << shift.red) & 0x80000000UL) == 0)
|
||
{
|
||
shift.red++;
|
||
if (shift.red > 32U)
|
||
break;
|
||
}
|
||
if (bmp_info.green_mask != 0)
|
||
while (((bmp_info.green_mask << shift.green) & 0x80000000UL) == 0)
|
||
{
|
||
shift.green++;
|
||
if (shift.green > 32U)
|
||
break;
|
||
}
|
||
if (bmp_info.blue_mask != 0)
|
||
while (((bmp_info.blue_mask << shift.blue) & 0x80000000UL) == 0)
|
||
{
|
||
shift.blue++;
|
||
if (shift.blue > 32U)
|
||
break;
|
||
}
|
||
if (bmp_info.alpha_mask != 0)
|
||
while (((bmp_info.alpha_mask << shift.opacity) & 0x80000000UL) == 0)
|
||
{
|
||
shift.opacity++;
|
||
if (shift.opacity > 32U)
|
||
break;
|
||
}
|
||
sample=shift.red;
|
||
while (((bmp_info.red_mask << sample) & 0x80000000UL) != 0)
|
||
{
|
||
sample++;
|
||
if (sample > 32U)
|
||
break;
|
||
}
|
||
quantum_bits.red=ClampToQuantum((MagickRealType) sample-shift.red);
|
||
sample=shift.green;
|
||
while (((bmp_info.green_mask << sample) & 0x80000000UL) != 0)
|
||
{
|
||
sample++;
|
||
if (sample > 32U)
|
||
break;
|
||
}
|
||
quantum_bits.green=ClampToQuantum((MagickRealType) sample-shift.green);
|
||
sample=shift.blue;
|
||
while (((bmp_info.blue_mask << sample) & 0x80000000UL) != 0)
|
||
{
|
||
sample++;
|
||
if (sample > 32U)
|
||
break;
|
||
}
|
||
quantum_bits.blue=ClampToQuantum((MagickRealType) sample-shift.blue);
|
||
sample=shift.opacity;
|
||
while (((bmp_info.alpha_mask << sample) & 0x80000000UL) != 0)
|
||
{
|
||
sample++;
|
||
if (sample > 32U)
|
||
break;
|
||
}
|
||
quantum_bits.opacity=ClampToQuantum((MagickRealType) sample-
|
||
shift.opacity);
|
||
}
|
||
switch (bmp_info.bits_per_pixel)
|
||
{
|
||
case 1:
|
||
{
|
||
/*
|
||
Convert bitmap scanline.
|
||
*/
|
||
for (y=(ssize_t) image->rows-1; y >= 0; y--)
|
||
{
|
||
p=pixels+(image->rows-y-1)*bytes_per_line;
|
||
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
|
||
if (q == (PixelPacket *) NULL)
|
||
break;
|
||
indexes=GetAuthenticIndexQueue(image);
|
||
for (x=0; x < ((ssize_t) image->columns-7); x+=8)
|
||
{
|
||
for (bit=0; bit < 8; bit++)
|
||
{
|
||
index=(IndexPacket) (((*p) & (0x80 >> bit)) != 0 ? 0x01 : 0x00);
|
||
SetPixelIndex(indexes+x+bit,index);
|
||
q++;
|
||
}
|
||
p++;
|
||
}
|
||
if ((image->columns % 8) != 0)
|
||
{
|
||
for (bit=0; bit < (image->columns % 8); bit++)
|
||
{
|
||
index=(IndexPacket) (((*p) & (0x80 >> bit)) != 0 ? 0x01 : 0x00);
|
||
SetPixelIndex(indexes+x+bit,index);
|
||
}
|
||
p++;
|
||
}
|
||
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
||
break;
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
|
||
(image->rows-y),image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
(void) SyncImage(image);
|
||
break;
|
||
}
|
||
case 4:
|
||
{
|
||
/*
|
||
Convert PseudoColor scanline.
|
||
*/
|
||
for (y=(ssize_t) image->rows-1; y >= 0; y--)
|
||
{
|
||
p=pixels+(image->rows-y-1)*bytes_per_line;
|
||
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
|
||
if (q == (PixelPacket *) NULL)
|
||
break;
|
||
indexes=GetAuthenticIndexQueue(image);
|
||
for (x=0; x < ((ssize_t) image->columns-1); x+=2)
|
||
{
|
||
(void) IsValidColormapIndex(image,(ssize_t) ((*p >> 4) & 0x0f),
|
||
&index,exception);
|
||
SetPixelIndex(indexes+x,index);
|
||
(void) IsValidColormapIndex(image,(ssize_t) (*p & 0x0f),&index,
|
||
exception);
|
||
SetPixelIndex(indexes+x+1,index);
|
||
p++;
|
||
}
|
||
if ((image->columns % 2) != 0)
|
||
{
|
||
(void) IsValidColormapIndex(image,(ssize_t) ((*p >> 4) & 0xf),
|
||
&index,exception);
|
||
SetPixelIndex(indexes+(x++),index);
|
||
p++;
|
||
}
|
||
if (x < (ssize_t) image->columns)
|
||
break;
|
||
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
||
break;
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
|
||
(image->rows-y),image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
(void) SyncImage(image);
|
||
break;
|
||
}
|
||
case 8:
|
||
{
|
||
/*
|
||
Convert PseudoColor scanline.
|
||
*/
|
||
if ((bmp_info.compression == BI_RLE8) ||
|
||
(bmp_info.compression == BI_RLE4))
|
||
bytes_per_line=image->columns;
|
||
for (y=(ssize_t) image->rows-1; y >= 0; y--)
|
||
{
|
||
p=pixels+(image->rows-y-1)*bytes_per_line;
|
||
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
|
||
if (q == (PixelPacket *) NULL)
|
||
break;
|
||
indexes=GetAuthenticIndexQueue(image);
|
||
for (x=(ssize_t) image->columns; x != 0; --x)
|
||
{
|
||
(void) IsValidColormapIndex(image,(ssize_t) *p,&index,exception);
|
||
SetPixelIndex(indexes,index);
|
||
indexes++;
|
||
p++;
|
||
q++;
|
||
}
|
||
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
||
break;
|
||
offset=(MagickOffsetType) (image->rows-y-1);
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
|
||
(image->rows-y),image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
(void) SyncImage(image);
|
||
break;
|
||
}
|
||
case 16:
|
||
{
|
||
unsigned int
|
||
alpha,
|
||
pixel;
|
||
|
||
/*
|
||
Convert bitfield encoded 16-bit PseudoColor scanline.
|
||
*/
|
||
if (bmp_info.compression != BI_RGB &&
|
||
bmp_info.compression != BI_BITFIELDS)
|
||
{
|
||
pixel_info=RelinquishVirtualMemory(pixel_info);
|
||
ThrowReaderException(CorruptImageError,
|
||
"UnrecognizedImageCompression");
|
||
}
|
||
bytes_per_line=2*(image->columns+image->columns % 2);
|
||
image->storage_class=DirectClass;
|
||
for (y=(ssize_t) image->rows-1; y >= 0; y--)
|
||
{
|
||
p=pixels+(image->rows-y-1)*bytes_per_line;
|
||
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
|
||
if (q == (PixelPacket *) NULL)
|
||
break;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
pixel=(unsigned int) (*p++);
|
||
pixel|=(*p++) << 8;
|
||
red=((pixel & bmp_info.red_mask) << shift.red) >> 16;
|
||
if (quantum_bits.red == 5)
|
||
red|=((red & 0xe000) >> 5);
|
||
if (quantum_bits.red <= 8)
|
||
red|=((red & 0xff00) >> 8);
|
||
green=((pixel & bmp_info.green_mask) << shift.green) >> 16;
|
||
if (quantum_bits.green == 5)
|
||
green|=((green & 0xe000) >> 5);
|
||
if (quantum_bits.green == 6)
|
||
green|=((green & 0xc000) >> 6);
|
||
if (quantum_bits.green <= 8)
|
||
green|=((green & 0xff00) >> 8);
|
||
blue=((pixel & bmp_info.blue_mask) << shift.blue) >> 16;
|
||
if (quantum_bits.blue == 5)
|
||
blue|=((blue & 0xe000) >> 5);
|
||
if (quantum_bits.blue <= 8)
|
||
blue|=((blue & 0xff00) >> 8);
|
||
SetPixelRed(q,ScaleShortToQuantum((unsigned short) red));
|
||
SetPixelGreen(q,ScaleShortToQuantum((unsigned short) green));
|
||
SetPixelBlue(q,ScaleShortToQuantum((unsigned short) blue));
|
||
SetPixelOpacity(q,OpaqueOpacity);
|
||
if (image->matte != MagickFalse)
|
||
{
|
||
alpha=((pixel & bmp_info.alpha_mask) << shift.opacity) >> 16;
|
||
if (quantum_bits.opacity <= 8)
|
||
alpha|=((alpha & 0xff00) >> 8);
|
||
SetPixelAlpha(q,ScaleShortToQuantum((unsigned short) alpha));
|
||
}
|
||
q++;
|
||
}
|
||
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
||
break;
|
||
offset=(MagickOffsetType) (image->rows-y-1);
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
|
||
(image->rows-y),image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case 24:
|
||
{
|
||
/*
|
||
Convert DirectColor scanline.
|
||
*/
|
||
bytes_per_line=4*((image->columns*24+31)/32);
|
||
for (y=(ssize_t) image->rows-1; y >= 0; y--)
|
||
{
|
||
p=pixels+(image->rows-y-1)*bytes_per_line;
|
||
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
|
||
if (q == (PixelPacket *) NULL)
|
||
break;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
SetPixelBlue(q,ScaleCharToQuantum(*p++));
|
||
SetPixelGreen(q,ScaleCharToQuantum(*p++));
|
||
SetPixelRed(q,ScaleCharToQuantum(*p++));
|
||
SetPixelOpacity(q,OpaqueOpacity);
|
||
q++;
|
||
}
|
||
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
||
break;
|
||
offset=(MagickOffsetType) (image->rows-y-1);
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
|
||
(image->rows-y),image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case 32:
|
||
{
|
||
/*
|
||
Convert bitfield encoded DirectColor scanline.
|
||
*/
|
||
if ((bmp_info.compression != BI_RGB) &&
|
||
(bmp_info.compression != BI_BITFIELDS))
|
||
{
|
||
pixel_info=RelinquishVirtualMemory(pixel_info);
|
||
ThrowReaderException(CorruptImageError,
|
||
"UnrecognizedImageCompression");
|
||
}
|
||
bytes_per_line=4*(image->columns);
|
||
for (y=(ssize_t) image->rows-1; y >= 0; y--)
|
||
{
|
||
unsigned int
|
||
alpha,
|
||
pixel;
|
||
|
||
p=pixels+(image->rows-y-1)*bytes_per_line;
|
||
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
|
||
if (q == (PixelPacket *) NULL)
|
||
break;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
pixel=(unsigned int) (*p++);
|
||
pixel|=((unsigned int) *p++ << 8);
|
||
pixel|=((unsigned int) *p++ << 16);
|
||
pixel|=((unsigned int) *p++ << 24);
|
||
red=((pixel & bmp_info.red_mask) << shift.red) >> 16;
|
||
if (quantum_bits.red == 8)
|
||
red|=(red >> 8);
|
||
green=((pixel & bmp_info.green_mask) << shift.green) >> 16;
|
||
if (quantum_bits.green == 8)
|
||
green|=(green >> 8);
|
||
blue=((pixel & bmp_info.blue_mask) << shift.blue) >> 16;
|
||
if (quantum_bits.blue == 8)
|
||
blue|=(blue >> 8);
|
||
SetPixelRed(q,ScaleShortToQuantum((unsigned short) red));
|
||
SetPixelGreen(q,ScaleShortToQuantum((unsigned short) green));
|
||
SetPixelBlue(q,ScaleShortToQuantum((unsigned short) blue));
|
||
SetPixelAlpha(q,OpaqueOpacity);
|
||
if (image->matte != MagickFalse)
|
||
{
|
||
alpha=((pixel & bmp_info.alpha_mask) << shift.opacity) >> 16;
|
||
if (quantum_bits.opacity == 8)
|
||
alpha|=(alpha >> 8);
|
||
SetPixelAlpha(q,ScaleShortToQuantum((unsigned short) alpha));
|
||
}
|
||
q++;
|
||
}
|
||
if (SyncAuthenticPixels(image,exception) == MagickFalse)
|
||
break;
|
||
offset=(MagickOffsetType) (image->rows-y-1);
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
|
||
(image->rows-y),image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
pixel_info=RelinquishVirtualMemory(pixel_info);
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
}
|
||
}
|
||
pixel_info=RelinquishVirtualMemory(pixel_info);
|
||
if (y > 0)
|
||
break;
|
||
if (EOFBlob(image) != MagickFalse)
|
||
{
|
||
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
|
||
image->filename);
|
||
break;
|
||
}
|
||
if (bmp_info.height < 0)
|
||
{
|
||
Image
|
||
*flipped_image;
|
||
|
||
/*
|
||
Correct image orientation.
|
||
*/
|
||
flipped_image=FlipImage(image,exception);
|
||
if (flipped_image != (Image *) NULL)
|
||
{
|
||
DuplicateBlob(flipped_image,image);
|
||
ReplaceImageInList(&image, flipped_image);
|
||
image=flipped_image;
|
||
}
|
||
}
|
||
/*
|
||
Read embeded ICC profile
|
||
*/
|
||
if ((bmp_info.colorspace == 0x4D424544L) && (profile_data > 0) &&
|
||
(profile_size > 0))
|
||
{
|
||
StringInfo
|
||
*profile;
|
||
|
||
unsigned char
|
||
*datum;
|
||
|
||
offset=start_position+14+profile_data;
|
||
if ((offset < TellBlob(image)) ||
|
||
(SeekBlob(image,offset,SEEK_SET) != offset) ||
|
||
(blob_size < (MagickSizeType) (offset+profile_size)))
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
profile=AcquireStringInfo((size_t) profile_size);
|
||
if (profile == (StringInfo *) NULL)
|
||
ThrowReaderException(CorruptImageError,"MemoryAllocationFailed");
|
||
datum=GetStringInfoDatum(profile);
|
||
if (ReadBlob(image,(size_t) profile_size,datum) == (ssize_t) profile_size)
|
||
{
|
||
MagickOffsetType
|
||
profile_size_orig;
|
||
|
||
/*
|
||
Trimming padded bytes.
|
||
*/
|
||
profile_size_orig=(MagickOffsetType) datum[0] << 24;
|
||
profile_size_orig|=(MagickOffsetType) datum[1] << 16;
|
||
profile_size_orig|=(MagickOffsetType) datum[2] << 8;
|
||
profile_size_orig|=(MagickOffsetType) datum[3];
|
||
if (profile_size_orig < profile_size)
|
||
SetStringInfoLength(profile,(size_t) profile_size_orig);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
"Profile: ICC, %u bytes",(unsigned int) profile_size_orig);
|
||
(void) SetImageProfile(image,"icc",profile);
|
||
}
|
||
profile=DestroyStringInfo(profile);
|
||
}
|
||
/*
|
||
Proceed to next image.
|
||
*/
|
||
if (image_info->number_scenes != 0)
|
||
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
|
||
break;
|
||
offset=(MagickOffsetType) bmp_info.ba_offset;
|
||
if (offset != 0)
|
||
if ((offset < TellBlob(image)) ||
|
||
(SeekBlob(image,offset,SEEK_SET) != offset))
|
||
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
|
||
*magick='\0';
|
||
count=ReadBlob(image,2,magick);
|
||
if ((count == 2) && (IsBMP(magick,2) != MagickFalse))
|
||
{
|
||
/*
|
||
Acquire next image structure.
|
||
*/
|
||
AcquireNextImage(image_info,image);
|
||
if (GetNextImageInList(image) == (Image *) NULL)
|
||
{
|
||
status=MagickFalse;
|
||
break;
|
||
}
|
||
image=SyncNextImageInList(image);
|
||
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),blob_size);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
} while (IsBMP(magick,2) != MagickFalse);
|
||
(void) CloseBlob(image);
|
||
if (status == MagickFalse)
|
||
return(DestroyImageList(image));
|
||
return(GetFirstImageInList(image));
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% R e g i s t e r B M P I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% RegisterBMPImage() adds attributes for the BMP image format to
|
||
% the list of supported formats. The attributes include the image format
|
||
% tag, a method to read and/or write the format, whether the format
|
||
% supports the saving of more than one frame to the same file or blob,
|
||
% whether the format supports native in-memory I/O, and a brief
|
||
% description of the format.
|
||
%
|
||
% The format of the RegisterBMPImage method is:
|
||
%
|
||
% size_t RegisterBMPImage(void)
|
||
%
|
||
*/
|
||
ModuleExport size_t RegisterBMPImage(void)
|
||
{
|
||
MagickInfo
|
||
*entry;
|
||
|
||
entry=SetMagickInfo("BMP");
|
||
entry->decoder=(DecodeImageHandler *) ReadBMPImage;
|
||
entry->encoder=(EncodeImageHandler *) WriteBMPImage;
|
||
entry->magick=(IsImageFormatHandler *) IsBMP;
|
||
entry->description=ConstantString("Microsoft Windows bitmap image");
|
||
entry->magick_module=ConstantString("BMP");
|
||
entry->adjoin=MagickFalse;
|
||
entry->seekable_stream=MagickTrue;
|
||
(void) RegisterMagickInfo(entry);
|
||
entry=SetMagickInfo("BMP2");
|
||
entry->decoder=(DecodeImageHandler *) ReadBMPImage;
|
||
entry->encoder=(EncodeImageHandler *) WriteBMPImage;
|
||
entry->magick=(IsImageFormatHandler *) IsBMP;
|
||
entry->description=ConstantString("Microsoft Windows bitmap image (V2)");
|
||
entry->magick_module=ConstantString("BMP");
|
||
entry->adjoin=MagickFalse;
|
||
entry->seekable_stream=MagickTrue;
|
||
(void) RegisterMagickInfo(entry);
|
||
entry=SetMagickInfo("BMP3");
|
||
entry->decoder=(DecodeImageHandler *) ReadBMPImage;
|
||
entry->encoder=(EncodeImageHandler *) WriteBMPImage;
|
||
entry->magick=(IsImageFormatHandler *) IsBMP;
|
||
entry->description=ConstantString("Microsoft Windows bitmap image (V3)");
|
||
entry->magick_module=ConstantString("BMP");
|
||
entry->adjoin=MagickFalse;
|
||
entry->seekable_stream=MagickTrue;
|
||
(void) RegisterMagickInfo(entry);
|
||
return(MagickImageCoderSignature);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% U n r e g i s t e r B M P I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% UnregisterBMPImage() removes format registrations made by the
|
||
% BMP module from the list of supported formats.
|
||
%
|
||
% The format of the UnregisterBMPImage method is:
|
||
%
|
||
% UnregisterBMPImage(void)
|
||
%
|
||
*/
|
||
ModuleExport void UnregisterBMPImage(void)
|
||
{
|
||
(void) UnregisterMagickInfo("BMP");
|
||
(void) UnregisterMagickInfo("BMP2");
|
||
(void) UnregisterMagickInfo("BMP3");
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% W r i t e B M P I m a g e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% WriteBMPImage() writes an image in Microsoft Windows bitmap encoded
|
||
% image format, version 3 for Windows or (if the image has a matte channel)
|
||
% version 4.
|
||
%
|
||
% The format of the WriteBMPImage method is:
|
||
%
|
||
% MagickBooleanType WriteBMPImage(const ImageInfo *image_info,Image *image)
|
||
%
|
||
% A description of each parameter follows.
|
||
%
|
||
% o image_info: the image info.
|
||
%
|
||
% o image: The image.
|
||
%
|
||
*/
|
||
static MagickBooleanType WriteBMPImage(const ImageInfo *image_info,Image *image)
|
||
{
|
||
BMPInfo
|
||
bmp_info;
|
||
|
||
BMPSubtype
|
||
bmp_subtype;
|
||
|
||
const char
|
||
*option;
|
||
|
||
const StringInfo
|
||
*profile;
|
||
|
||
MagickBooleanType
|
||
have_color_info,
|
||
status;
|
||
|
||
MemoryInfo
|
||
*pixel_info;
|
||
|
||
MagickOffsetType
|
||
scene;
|
||
|
||
const IndexPacket
|
||
*indexes;
|
||
|
||
const PixelPacket
|
||
*p;
|
||
|
||
ssize_t
|
||
i,
|
||
x;
|
||
|
||
unsigned char
|
||
*q;
|
||
|
||
size_t
|
||
bytes_per_line,
|
||
imageListLength,
|
||
type;
|
||
|
||
ssize_t
|
||
y;
|
||
|
||
unsigned char
|
||
*bmp_data,
|
||
*pixels;
|
||
|
||
MagickOffsetType
|
||
profile_data,
|
||
profile_size,
|
||
profile_size_pad;
|
||
|
||
/*
|
||
Open output image file.
|
||
*/
|
||
assert(image_info != (const ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickCoreSignature);
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
||
status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
|
||
if (status == MagickFalse)
|
||
return(status);
|
||
if (((image->columns << 3) != (size_t) ((int) (image->columns << 3))) ||
|
||
((image->rows << 3) != (size_t) ((int) (image->rows << 3))))
|
||
ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
|
||
type=4;
|
||
if (LocaleCompare(image_info->magick,"BMP2") == 0)
|
||
type=2;
|
||
else
|
||
if (LocaleCompare(image_info->magick,"BMP3") == 0)
|
||
type=3;
|
||
|
||
option=GetImageOption(image_info,"bmp:format");
|
||
if (option != (char *) NULL)
|
||
{
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Format=%s",option);
|
||
|
||
if (LocaleCompare(option,"bmp2") == 0)
|
||
type=2;
|
||
if (LocaleCompare(option,"bmp3") == 0)
|
||
type=3;
|
||
if (LocaleCompare(option,"bmp4") == 0)
|
||
type=4;
|
||
}
|
||
scene=0;
|
||
imageListLength=GetImageListLength(image);
|
||
do
|
||
{
|
||
/*
|
||
Initialize BMP raster file header.
|
||
*/
|
||
if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
|
||
(void) TransformImageColorspace(image,sRGBColorspace);
|
||
(void) memset(&bmp_info,0,sizeof(bmp_info));
|
||
bmp_info.file_size=14+12;
|
||
if (type > 2)
|
||
bmp_info.file_size+=28;
|
||
bmp_info.offset_bits=bmp_info.file_size;
|
||
bmp_info.compression=BI_RGB;
|
||
bmp_info.red_mask=0x00ff0000U;
|
||
bmp_info.green_mask=0x0000ff00U;
|
||
bmp_info.blue_mask=0x000000ffU;
|
||
bmp_info.alpha_mask=0xff000000U;
|
||
bmp_subtype=UndefinedSubtype;
|
||
if ((image->storage_class == PseudoClass) && (image->colors > 256))
|
||
(void) SetImageStorageClass(image,DirectClass);
|
||
if (image->storage_class != DirectClass)
|
||
{
|
||
/*
|
||
Colormapped BMP raster.
|
||
*/
|
||
bmp_info.bits_per_pixel=8;
|
||
if (image->colors <= 2)
|
||
bmp_info.bits_per_pixel=1;
|
||
else
|
||
if (image->colors <= 16)
|
||
bmp_info.bits_per_pixel=4;
|
||
else
|
||
if (image->colors <= 256)
|
||
bmp_info.bits_per_pixel=8;
|
||
if (image_info->compression == RLECompression)
|
||
bmp_info.bits_per_pixel=8;
|
||
bmp_info.number_colors=1U << bmp_info.bits_per_pixel;
|
||
if (image->matte != MagickFalse)
|
||
(void) SetImageStorageClass(image,DirectClass);
|
||
else
|
||
if ((size_t) bmp_info.number_colors < image->colors)
|
||
(void) SetImageStorageClass(image,DirectClass);
|
||
else
|
||
{
|
||
bmp_info.file_size+=3*(1UL << bmp_info.bits_per_pixel);
|
||
bmp_info.offset_bits+=3*(1UL << bmp_info.bits_per_pixel);
|
||
if (type > 2)
|
||
{
|
||
bmp_info.file_size+=(1UL << bmp_info.bits_per_pixel);
|
||
bmp_info.offset_bits+=(1UL << bmp_info.bits_per_pixel);
|
||
}
|
||
}
|
||
}
|
||
if (image->storage_class == DirectClass)
|
||
{
|
||
/*
|
||
Full color BMP raster.
|
||
*/
|
||
bmp_info.number_colors=0;
|
||
option=GetImageOption(image_info,"bmp:subtype");
|
||
if (option != (const char *) NULL)
|
||
{
|
||
if (image->matte != MagickFalse)
|
||
{
|
||
if (LocaleNCompare(option,"ARGB4444",8) == 0)
|
||
{
|
||
bmp_subtype=ARGB4444;
|
||
bmp_info.red_mask=0x00000f00U;
|
||
bmp_info.green_mask=0x000000f0U;
|
||
bmp_info.blue_mask=0x0000000fU;
|
||
bmp_info.alpha_mask=0x0000f000U;
|
||
}
|
||
else if (LocaleNCompare(option,"ARGB1555",8) == 0)
|
||
{
|
||
bmp_subtype=ARGB1555;
|
||
bmp_info.red_mask=0x00007c00U;
|
||
bmp_info.green_mask=0x000003e0U;
|
||
bmp_info.blue_mask=0x0000001fU;
|
||
bmp_info.alpha_mask=0x00008000U;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (LocaleNCompare(option,"RGB555",6) == 0)
|
||
{
|
||
bmp_subtype=RGB555;
|
||
bmp_info.red_mask=0x00007c00U;
|
||
bmp_info.green_mask=0x000003e0U;
|
||
bmp_info.blue_mask=0x0000001fU;
|
||
bmp_info.alpha_mask=0U;
|
||
}
|
||
else if (LocaleNCompare(option,"RGB565",6) == 0)
|
||
{
|
||
bmp_subtype=RGB565;
|
||
bmp_info.red_mask=0x0000f800U;
|
||
bmp_info.green_mask=0x000007e0U;
|
||
bmp_info.blue_mask=0x0000001fU;
|
||
bmp_info.alpha_mask=0U;
|
||
}
|
||
}
|
||
}
|
||
if (bmp_subtype != UndefinedSubtype)
|
||
{
|
||
bmp_info.bits_per_pixel=16;
|
||
bmp_info.compression=BI_BITFIELDS;
|
||
}
|
||
else
|
||
{
|
||
bmp_info.bits_per_pixel=(unsigned short)
|
||
((type > 3) && (image->matte != MagickFalse) ? 32 : 24);
|
||
bmp_info.compression=(unsigned int) ((type > 3) &&
|
||
(image->matte != MagickFalse) ? BI_BITFIELDS : BI_RGB);
|
||
if ((type == 3) && (image->matte != MagickFalse))
|
||
{
|
||
option=GetImageOption(image_info,"bmp3:alpha");
|
||
if (IsStringTrue(option))
|
||
bmp_info.bits_per_pixel=32;
|
||
}
|
||
}
|
||
}
|
||
bytes_per_line=4*((image->columns*bmp_info.bits_per_pixel+31)/32);
|
||
bmp_info.ba_offset=0;
|
||
profile=GetImageProfile(image,"icc");
|
||
have_color_info=(image->rendering_intent != UndefinedIntent) ||
|
||
(profile != (StringInfo *) NULL) || (image->gamma != 0.0) ? MagickTrue :
|
||
MagickFalse;
|
||
if (type == 2)
|
||
bmp_info.size=12;
|
||
else
|
||
if ((type == 3) || ((image->matte == MagickFalse) &&
|
||
(have_color_info == MagickFalse)))
|
||
{
|
||
type=3;
|
||
bmp_info.size=40;
|
||
}
|
||
else
|
||
{
|
||
int
|
||
extra_size;
|
||
|
||
bmp_info.size=108;
|
||
extra_size=68;
|
||
if ((image->rendering_intent != UndefinedIntent) ||
|
||
(profile != (StringInfo *) NULL))
|
||
{
|
||
bmp_info.size=124;
|
||
extra_size+=16;
|
||
}
|
||
bmp_info.file_size+=extra_size;
|
||
bmp_info.offset_bits+=extra_size;
|
||
}
|
||
if (((ssize_t) image->columns != (ssize_t) ((signed int) image->columns)) ||
|
||
((ssize_t) image->rows != (ssize_t) ((signed int) image->rows)))
|
||
ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
|
||
bmp_info.width=(ssize_t) image->columns;
|
||
bmp_info.height=(ssize_t) image->rows;
|
||
bmp_info.planes=1;
|
||
bmp_info.image_size=(unsigned int) (bytes_per_line*image->rows);
|
||
bmp_info.file_size+=bmp_info.image_size;
|
||
bmp_info.x_pixels=75*39;
|
||
bmp_info.y_pixels=75*39;
|
||
switch (image->units)
|
||
{
|
||
case UndefinedResolution:
|
||
case PixelsPerInchResolution:
|
||
{
|
||
bmp_info.x_pixels=(unsigned int) (100.0*image->x_resolution/2.54);
|
||
bmp_info.y_pixels=(unsigned int) (100.0*image->y_resolution/2.54);
|
||
break;
|
||
}
|
||
case PixelsPerCentimeterResolution:
|
||
{
|
||
bmp_info.x_pixels=(unsigned int) (100.0*image->x_resolution);
|
||
bmp_info.y_pixels=(unsigned int) (100.0*image->y_resolution);
|
||
break;
|
||
}
|
||
}
|
||
bmp_info.colors_important=bmp_info.number_colors;
|
||
/*
|
||
Convert MIFF to BMP raster pixels.
|
||
*/
|
||
pixel_info=AcquireVirtualMemory(image->rows,MagickMax(bytes_per_line,
|
||
image->columns+256UL)*sizeof(*pixels));
|
||
if (pixel_info == (MemoryInfo *) NULL)
|
||
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
|
||
pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info);
|
||
(void) memset(pixels,0,(size_t) bmp_info.image_size);
|
||
switch (bmp_info.bits_per_pixel)
|
||
{
|
||
case 1:
|
||
{
|
||
size_t
|
||
bit,
|
||
byte;
|
||
|
||
/*
|
||
Convert PseudoClass image to a BMP monochrome image.
|
||
*/
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
indexes=GetVirtualIndexQueue(image);
|
||
q=pixels+(image->rows-y-1)*bytes_per_line;
|
||
bit=0;
|
||
byte=0;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
byte<<=1;
|
||
byte|=GetPixelIndex(indexes+x) != 0 ? 0x01 : 0x00;
|
||
bit++;
|
||
if (bit == 8)
|
||
{
|
||
*q++=(unsigned char) byte;
|
||
bit=0;
|
||
byte=0;
|
||
}
|
||
}
|
||
if (bit != 0)
|
||
{
|
||
*q++=(unsigned char) (byte << (8-bit));
|
||
x++;
|
||
}
|
||
for (x=(ssize_t) (image->columns+7)/8; x < (ssize_t) bytes_per_line; x++)
|
||
*q++=0x00;
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
|
||
image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case 4:
|
||
{
|
||
size_t
|
||
nibble,
|
||
byte;
|
||
|
||
/*
|
||
Convert PseudoClass image to a BMP monochrome image.
|
||
*/
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
indexes=GetVirtualIndexQueue(image);
|
||
q=pixels+(image->rows-y-1)*bytes_per_line;
|
||
nibble=0;
|
||
byte=0;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
byte<<=4;
|
||
byte|=((size_t) GetPixelIndex(indexes+x) & 0x0f);
|
||
nibble++;
|
||
if (nibble == 2)
|
||
{
|
||
*q++=(unsigned char) byte;
|
||
nibble=0;
|
||
byte=0;
|
||
}
|
||
}
|
||
if (nibble != 0)
|
||
{
|
||
*q++=(unsigned char) (byte << 4);
|
||
x++;
|
||
}
|
||
for (x=(ssize_t) (image->columns+1)/2; x < (ssize_t) bytes_per_line; x++)
|
||
*q++=0x00;
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
|
||
image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case 8:
|
||
{
|
||
/*
|
||
Convert PseudoClass packet to BMP pixel.
|
||
*/
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
indexes=GetVirtualIndexQueue(image);
|
||
q=pixels+(image->rows-y-1)*bytes_per_line;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
*q++=(unsigned char) ((size_t) GetPixelIndex(indexes+x));
|
||
for ( ; x < (ssize_t) bytes_per_line; x++)
|
||
*q++=0x00;
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
|
||
image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case 16:
|
||
{
|
||
/*
|
||
Convert DirectClass packet to BMP BGR888.
|
||
*/
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
q=(pixels+(image->rows-y-1)*bytes_per_line);
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
unsigned short
|
||
pixel;
|
||
|
||
pixel=0;
|
||
if (bmp_subtype == ARGB4444)
|
||
{
|
||
pixel=(unsigned short) (ScaleQuantumToAny(
|
||
GetPixelAlpha(p),15) << 12);
|
||
pixel|=(unsigned short) (ScaleQuantumToAny(
|
||
GetPixelRed(p),15) << 8);
|
||
pixel|=(unsigned short) (ScaleQuantumToAny(
|
||
GetPixelGreen(p),15) << 4);
|
||
pixel|=(unsigned short) (ScaleQuantumToAny(
|
||
GetPixelBlue(p),15));
|
||
}
|
||
else if (bmp_subtype == RGB565)
|
||
{
|
||
pixel=(unsigned short) (ScaleQuantumToAny(
|
||
GetPixelRed(p),31) << 11);
|
||
pixel|=(unsigned short) (ScaleQuantumToAny(
|
||
GetPixelGreen(p),63) << 5);
|
||
pixel|=(unsigned short) (ScaleQuantumToAny(
|
||
GetPixelBlue(p),31));
|
||
}
|
||
else
|
||
{
|
||
if (bmp_subtype == ARGB1555)
|
||
pixel=(unsigned short) (ScaleQuantumToAny(
|
||
GetPixelAlpha(p),1) << 15);
|
||
pixel|=(unsigned short) (ScaleQuantumToAny(
|
||
GetPixelRed(p),31) << 10);
|
||
pixel|=(unsigned short) (ScaleQuantumToAny(
|
||
GetPixelGreen(p),31) << 5);
|
||
pixel|=(unsigned short) (ScaleQuantumToAny(
|
||
GetPixelBlue(p),31));
|
||
}
|
||
*((unsigned short *) q)=pixel;
|
||
q+=2;
|
||
p++;
|
||
}
|
||
for (x=2L*(ssize_t) image->columns; x < (ssize_t) bytes_per_line; x++)
|
||
*q++=0x00;
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
|
||
image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case 24:
|
||
{
|
||
/*
|
||
Convert DirectClass packet to BMP BGR888.
|
||
*/
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
q=pixels+(image->rows-y-1)*bytes_per_line;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
*q++=ScaleQuantumToChar(GetPixelBlue(p));
|
||
*q++=ScaleQuantumToChar(GetPixelGreen(p));
|
||
*q++=ScaleQuantumToChar(GetPixelRed(p));
|
||
p++;
|
||
}
|
||
for (x=3L*(ssize_t) image->columns; x < (ssize_t) bytes_per_line; x++)
|
||
*q++=0x00;
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
|
||
image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case 32:
|
||
{
|
||
/*
|
||
Convert DirectClass packet to ARGB8888 pixel.
|
||
*/
|
||
for (y=0; y < (ssize_t) image->rows; y++)
|
||
{
|
||
p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
|
||
if (p == (const PixelPacket *) NULL)
|
||
break;
|
||
q=pixels+(image->rows-y-1)*bytes_per_line;
|
||
for (x=0; x < (ssize_t) image->columns; x++)
|
||
{
|
||
*q++=ScaleQuantumToChar(GetPixelBlue(p));
|
||
*q++=ScaleQuantumToChar(GetPixelGreen(p));
|
||
*q++=ScaleQuantumToChar(GetPixelRed(p));
|
||
*q++=ScaleQuantumToChar(GetPixelAlpha(p));
|
||
p++;
|
||
}
|
||
if (image->previous == (Image *) NULL)
|
||
{
|
||
status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
|
||
image->rows);
|
||
if (status == MagickFalse)
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
if ((type > 2) && (bmp_info.bits_per_pixel == 8))
|
||
if (image_info->compression != NoCompression)
|
||
{
|
||
MemoryInfo
|
||
*rle_info;
|
||
|
||
/*
|
||
Convert run-length encoded raster pixels.
|
||
*/
|
||
rle_info=AcquireVirtualMemory((size_t) (2*(bytes_per_line+2)+2),
|
||
(image->rows+2)*sizeof(*pixels));
|
||
if (rle_info == (MemoryInfo *) NULL)
|
||
{
|
||
pixel_info=RelinquishVirtualMemory(pixel_info);
|
||
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
|
||
}
|
||
bmp_data=(unsigned char *) GetVirtualMemoryBlob(rle_info);
|
||
bmp_info.file_size-=bmp_info.image_size;
|
||
bmp_info.image_size=(unsigned int) EncodeImage(image,bytes_per_line,
|
||
pixels,bmp_data);
|
||
bmp_info.file_size+=bmp_info.image_size;
|
||
pixel_info=RelinquishVirtualMemory(pixel_info);
|
||
pixel_info=rle_info;
|
||
pixels=bmp_data;
|
||
bmp_info.compression=BI_RLE8;
|
||
}
|
||
/*
|
||
Write BMP for Windows, all versions, 14-byte header.
|
||
*/
|
||
if (image->debug != MagickFalse)
|
||
{
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Writing BMP version %.20g datastream",(double) type);
|
||
if (image->storage_class == DirectClass)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Storage class=DirectClass");
|
||
else
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Storage class=PseudoClass");
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Image depth=%.20g",(double) image->depth);
|
||
if (image->matte != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Matte=True");
|
||
else
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Matte=MagickFalse");
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" BMP bits_per_pixel=%.20g",(double) bmp_info.bits_per_pixel);
|
||
switch ((int) bmp_info.compression)
|
||
{
|
||
case BI_RGB:
|
||
{
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Compression=BI_RGB");
|
||
break;
|
||
}
|
||
case BI_RLE8:
|
||
{
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Compression=BI_RLE8");
|
||
break;
|
||
}
|
||
case BI_BITFIELDS:
|
||
{
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Compression=BI_BITFIELDS");
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Compression=UNKNOWN (%u)",bmp_info.compression);
|
||
break;
|
||
}
|
||
}
|
||
if (bmp_info.number_colors == 0)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Number_colors=unspecified");
|
||
else
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Number_colors=%u",bmp_info.number_colors);
|
||
}
|
||
profile_data=0;
|
||
profile_size=0;
|
||
profile_size_pad=0;
|
||
if (profile) {
|
||
profile_data=(MagickOffsetType) bmp_info.file_size-14; /* from head of BMP info header */
|
||
profile_size=(MagickOffsetType) GetStringInfoLength(profile);
|
||
if (profile_size%4) {
|
||
profile_size_pad=4-(profile_size%4);
|
||
}
|
||
bmp_info.file_size+=profile_size+profile_size_pad;
|
||
}
|
||
(void) WriteBlob(image,2,(unsigned char *) "BM");
|
||
(void) WriteBlobLSBLong(image,bmp_info.file_size);
|
||
(void) WriteBlobLSBLong(image,bmp_info.ba_offset); /* always 0 */
|
||
(void) WriteBlobLSBLong(image,bmp_info.offset_bits);
|
||
if (type == 2)
|
||
{
|
||
/*
|
||
Write 12-byte version 2 bitmap header.
|
||
*/
|
||
(void) WriteBlobLSBLong(image,bmp_info.size);
|
||
(void) WriteBlobLSBSignedShort(image,(signed short) bmp_info.width);
|
||
(void) WriteBlobLSBSignedShort(image,(signed short) bmp_info.height);
|
||
(void) WriteBlobLSBShort(image,bmp_info.planes);
|
||
(void) WriteBlobLSBShort(image,bmp_info.bits_per_pixel);
|
||
}
|
||
else
|
||
{
|
||
/*
|
||
Write 40-byte version 3+ bitmap header.
|
||
*/
|
||
(void) WriteBlobLSBLong(image,bmp_info.size);
|
||
(void) WriteBlobLSBSignedLong(image,(signed long) bmp_info.width);
|
||
(void) WriteBlobLSBSignedLong(image,(signed long) bmp_info.height);
|
||
(void) WriteBlobLSBShort(image,bmp_info.planes);
|
||
(void) WriteBlobLSBShort(image,bmp_info.bits_per_pixel);
|
||
(void) WriteBlobLSBLong(image,bmp_info.compression);
|
||
(void) WriteBlobLSBLong(image,bmp_info.image_size);
|
||
(void) WriteBlobLSBLong(image,bmp_info.x_pixels);
|
||
(void) WriteBlobLSBLong(image,bmp_info.y_pixels);
|
||
(void) WriteBlobLSBLong(image,bmp_info.number_colors);
|
||
(void) WriteBlobLSBLong(image,bmp_info.colors_important);
|
||
}
|
||
if ((type > 3) && ((image->matte != MagickFalse) ||
|
||
(have_color_info != MagickFalse)))
|
||
{
|
||
/*
|
||
Write the rest of the 108-byte BMP Version 4 header.
|
||
*/
|
||
(void) WriteBlobLSBLong(image,bmp_info.red_mask);
|
||
(void) WriteBlobLSBLong(image,bmp_info.green_mask);
|
||
(void) WriteBlobLSBLong(image,bmp_info.blue_mask);
|
||
(void) WriteBlobLSBLong(image,bmp_info.alpha_mask);
|
||
if (profile) {
|
||
(void) WriteBlobLSBLong(image,0x4D424544U); /* PROFILE_EMBEDDED */
|
||
} else {
|
||
(void) WriteBlobLSBLong(image,0x73524742U); /* sRGB */
|
||
}
|
||
(void) WriteBlobLSBLong(image,(unsigned int)
|
||
((ssize_t) image->chromaticity.red_primary.x*0x40000000));
|
||
(void) WriteBlobLSBLong(image,(unsigned int)
|
||
((ssize_t) image->chromaticity.red_primary.y*0x40000000));
|
||
(void) WriteBlobLSBLong(image,(unsigned int)
|
||
((ssize_t) (1.000f-(image->chromaticity.red_primary.x+
|
||
image->chromaticity.red_primary.y))*0x40000000));
|
||
(void) WriteBlobLSBLong(image,(unsigned int)
|
||
((ssize_t) image->chromaticity.green_primary.x*0x40000000));
|
||
(void) WriteBlobLSBLong(image,(unsigned int)
|
||
((ssize_t) image->chromaticity.green_primary.y*0x40000000));
|
||
(void) WriteBlobLSBLong(image,(unsigned int)
|
||
((ssize_t) (1.000f-(image->chromaticity.green_primary.x+
|
||
image->chromaticity.green_primary.y))*0x40000000));
|
||
(void) WriteBlobLSBLong(image,(unsigned int)
|
||
((ssize_t) image->chromaticity.blue_primary.x*0x40000000));
|
||
(void) WriteBlobLSBLong(image,(unsigned int)
|
||
((ssize_t) image->chromaticity.blue_primary.y*0x40000000));
|
||
(void) WriteBlobLSBLong(image,(unsigned int)
|
||
((ssize_t) (1.000f-(image->chromaticity.blue_primary.x+
|
||
image->chromaticity.blue_primary.y))*0x40000000));
|
||
(void) WriteBlobLSBLong(image,(unsigned int)
|
||
((ssize_t) bmp_info.gamma_scale.x*0x10000));
|
||
(void) WriteBlobLSBLong(image,(unsigned int)
|
||
((ssize_t) bmp_info.gamma_scale.y*0x10000));
|
||
(void) WriteBlobLSBLong(image,(unsigned int)
|
||
((ssize_t) bmp_info.gamma_scale.z*0x10000));
|
||
if ((image->rendering_intent != UndefinedIntent) ||
|
||
(profile != (StringInfo *) NULL))
|
||
{
|
||
ssize_t
|
||
intent;
|
||
|
||
switch ((int) image->rendering_intent)
|
||
{
|
||
case SaturationIntent:
|
||
{
|
||
intent=LCS_GM_BUSINESS;
|
||
break;
|
||
}
|
||
case RelativeIntent:
|
||
{
|
||
intent=LCS_GM_GRAPHICS;
|
||
break;
|
||
}
|
||
case PerceptualIntent:
|
||
{
|
||
intent=LCS_GM_IMAGES;
|
||
break;
|
||
}
|
||
case AbsoluteIntent:
|
||
{
|
||
intent=LCS_GM_ABS_COLORIMETRIC;
|
||
break;
|
||
}
|
||
default:
|
||
{
|
||
intent=0;
|
||
break;
|
||
}
|
||
}
|
||
(void) WriteBlobLSBLong(image,(unsigned int) intent);
|
||
(void) WriteBlobLSBLong(image,(unsigned int) profile_data);
|
||
(void) WriteBlobLSBLong(image,(unsigned int) (profile_size+
|
||
profile_size_pad));
|
||
(void) WriteBlobLSBLong(image,0x00); /* reserved */
|
||
}
|
||
}
|
||
if (image->storage_class == PseudoClass)
|
||
{
|
||
unsigned char
|
||
*bmp_colormap;
|
||
|
||
/*
|
||
Dump colormap to file.
|
||
*/
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Colormap: %.20g entries",(double) image->colors);
|
||
bmp_colormap=(unsigned char *) AcquireQuantumMemory((size_t) (1UL <<
|
||
bmp_info.bits_per_pixel),4*sizeof(*bmp_colormap));
|
||
if (bmp_colormap == (unsigned char *) NULL)
|
||
{
|
||
pixel_info=RelinquishVirtualMemory(pixel_info);
|
||
ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
|
||
}
|
||
q=bmp_colormap;
|
||
for (i=0; i < (ssize_t) MagickMin((ssize_t) image->colors,(ssize_t) bmp_info.number_colors); i++)
|
||
{
|
||
*q++=ScaleQuantumToChar(image->colormap[i].blue);
|
||
*q++=ScaleQuantumToChar(image->colormap[i].green);
|
||
*q++=ScaleQuantumToChar(image->colormap[i].red);
|
||
if (type > 2)
|
||
*q++=(unsigned char) 0x0;
|
||
}
|
||
for ( ; i < (ssize_t) (1UL << bmp_info.bits_per_pixel); i++)
|
||
{
|
||
*q++=(unsigned char) 0x00;
|
||
*q++=(unsigned char) 0x00;
|
||
*q++=(unsigned char) 0x00;
|
||
if (type > 2)
|
||
*q++=(unsigned char) 0x00;
|
||
}
|
||
if (type <= 2)
|
||
(void) WriteBlob(image,(size_t) (3*(1L << bmp_info.bits_per_pixel)),
|
||
bmp_colormap);
|
||
else
|
||
(void) WriteBlob(image,(size_t) (4*(1L << bmp_info.bits_per_pixel)),
|
||
bmp_colormap);
|
||
bmp_colormap=(unsigned char *) RelinquishMagickMemory(bmp_colormap);
|
||
}
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Pixels: %u bytes",bmp_info.image_size);
|
||
(void) WriteBlob(image,(size_t) bmp_info.image_size,pixels);
|
||
if (profile) {
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" Profile: %g bytes",(double) profile_size+profile_size_pad);
|
||
(void) WriteBlob(image,(size_t) profile_size,GetStringInfoDatum(profile));
|
||
if (profile_size_pad) { /* padding for 4 bytes multiple */
|
||
(void) WriteBlob(image,(size_t) profile_size_pad,(unsigned char *)
|
||
"\0\0\0");
|
||
}
|
||
}
|
||
pixel_info=RelinquishVirtualMemory(pixel_info);
|
||
if (GetNextImageInList(image) == (Image *) NULL)
|
||
break;
|
||
image=SyncNextImageInList(image);
|
||
status=SetImageProgress(image,SaveImagesTag,scene++,imageListLength);
|
||
if (status == MagickFalse)
|
||
break;
|
||
} while (image_info->adjoin != MagickFalse);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
|
||
" File_size: %u bytes",bmp_info.file_size);
|
||
(void) CloseBlob(image);
|
||
return(MagickTrue);
|
||
}
|