Gecko [ nrupathungauniversityblr.ac.in ]

Name	Size	Permission
.deps	[ DIR ]	drwxrwxr-x
.libs	[ DIR ]	drwxrwxr-x
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Makefile.am	41.13 KB	-rw-rw-r--
aai.c	15.23 KB	-rw-rw-r--
aai.h	867 B	-rw-rw-r--
art.c	13.45 KB	-rw-rw-r--
art.h	867 B	-rw-rw-r--
ashlar.c	7.73 KB	-rw-rw-r--
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bgr.c	52.05 KB	-rw-rw-r--
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bmp.c	84.94 KB	-rw-rw-r--
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braille.c	13.36 KB	-rw-rw-r--
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bytebuffer-private.h	2.83 KB	-rw-rw-r--
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cals.h	1.07 KB	-rw-rw-r--
caption.c	15.15 KB	-rw-rw-r--
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cin.c	43.46 KB	-rw-rw-r--
cin.h	918 B	-rw-rw-r--
cip.c	11.75 KB	-rw-rw-r--
cip.h	866 B	-rw-rw-r--
clip.c	10.17 KB	-rw-rw-r--
clip.h	869 B	-rw-rw-r--
clipboard.c	13.8 KB	-rw-rw-r--
clipboard.h	884 B	-rw-rw-r--
cmyk.c	57.92 KB	-rw-rw-r--
cmyk.h	907 B	-rw-rw-r--
coders-list.h	4.33 KB	-rw-rw-r--
coders-private.h	1.02 KB	-rw-rw-r--
coders.h	4.87 KB	-rw-rw-r--
cube.c	13.96 KB	-rw-rw-r--
cube.h	870 B	-rw-rw-r--
cut.c	25.71 KB	-rw-rw-r--
cut.h	866 B	-rw-rw-r--
dcm.c	189.02 KB	-rw-rw-r--
dcm.h	908 B	-rw-rw-r--
dds.c	93.72 KB	-rw-rw-r--
dds.h	978 B	-rw-rw-r--
debug.c	10.65 KB	-rw-rw-r--
debug.h	872 B	-rw-rw-r--
dib.c	46.25 KB	-rw-rw-r--
dib.h	948 B	-rw-rw-r--
djvu.c	31.58 KB	-rw-rw-r--
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dng.c	29.29 KB	-rw-rw-r--
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dot.c	9.79 KB	-rw-rw-r--
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dps.c	20.22 KB	-rw-rw-r--
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dpx.c	69.89 KB	-rw-rw-r--
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emf.c	27.13 KB	-rw-rw-r--
emf.h	1.05 KB	-rw-rw-r--
ept.c	19.91 KB	-rw-rw-r--
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exr.c	22.79 KB	-rw-rw-r--
exr.h	918 B	-rw-rw-r--
fax.c	15.29 KB	-rw-rw-r--
fax.h	974 B	-rw-rw-r--
fits.c	29.49 KB	-rw-rw-r--
fits.h	988 B	-rw-rw-r--
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Code Editor : dib.c

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%                            DDDD   IIIII  BBBB                               %
%                            D   D    I    B   B                              %
%                            D   D    I    BBBB                               %
%                            D   D    I    B   B                              %
%                            DDDD   IIIII  BBBB                               %
%                                                                             %
%                                                                             %
%                   Read/Write Windows DIB Image Format                       %
%                                                                             %
%                              Software Design                                %
%                                   Cristy                                    %
%                                 July 1992                                   %
%                                                                             %
%                                                                             %
%  Copyright 1999-2020 ImageMagick Studio LLC, a non-profit organization      %
%  dedicated to making software imaging solutions freely available.           %
%                                                                             %
%  You may not use this file except in compliance with the License.  You may  %
%  obtain a copy of the License at                                            %
%                                                                             %
%    https://imagemagick.org/script/license.php                               %
%                                                                             %
%  Unless required by applicable law or agreed to in writing, software        %
%  distributed under the License is distributed on an "AS IS" BASIS,          %
%  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
%  See the License for the specific language governing permissions and        %
%  limitations under the License.                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
*/

/*
  Include declarations.
*/
#include "MagickCore/studio.h"
#include "MagickCore/attribute.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/cache.h"
#include "MagickCore/color.h"
#include "MagickCore/color-private.h"
#include "MagickCore/colormap.h"
#include "MagickCore/colormap-private.h"
#include "MagickCore/colorspace.h"
#include "MagickCore/colorspace-private.h"
#include "MagickCore/draw.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/geometry.h"
#include "MagickCore/image.h"
#include "MagickCore/image-private.h"
#include "MagickCore/list.h"
#include "MagickCore/log.h"
#include "MagickCore/magick.h"
#include "MagickCore/memory_.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/static.h"
#include "MagickCore/string_.h"
#include "MagickCore/module.h"
#include "MagickCore/transform.h"

/*
  Typedef declarations.
*/
typedef struct _DIBInfo
{
  unsigned int
    size;

int
    width,
    height;

unsigned short
    planes,
    bits_per_pixel;

unsigned int
    compression,
    image_size,
    x_pixels,
    y_pixels,
    number_colors,
    colors_important;

unsigned short
    red_mask,
    green_mask,
    blue_mask,
    alpha_mask;

int
    colorspace;

PointInfo
    red_primary,
    green_primary,
    blue_primary,
    gamma_scale;
} DIBInfo;

/*
  Forward declarations.
*/
static MagickBooleanType
  WriteDIBImage(const ImageInfo *,Image *,ExceptionInfo *);

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   D e c o d e I m a g e                                                     %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  DecodeImage unpacks the packed image pixels into runlength-encoded
%  pixel packets.
%
%  The format of the DecodeImage method is:
%
%      MagickBooleanType DecodeImage(Image *image,
%        const MagickBooleanType compression,unsigned char *pixels,
%        const size_t number_pixels)
%
%  A description of each parameter follows:
%
%    o image: the address of a structure of type Image.
%
%    o compression:  A value of 1 means the compressed pixels are runlength
%      encoded for a 256-color bitmap.  A value of 2 means a 16-color bitmap.
%
%    o pixels:  The address of a byte (8 bits) array of pixel data created by
%      the decoding process.
%
%    o number_pixels:  the number of pixels.
%
*/
static MagickBooleanType DecodeImage(Image *image,
  const MagickBooleanType compression,unsigned char *pixels,
  const size_t number_pixels)
{
#if !defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__MINGW32__)
#define BI_RGB  0
#define BI_RLE8  1
#define BI_RLE4  2
#define BI_BITFIELDS  3
#undef BI_JPEG
#define BI_JPEG  4
#undef BI_PNG
#define BI_PNG  5
#endif

int
    byte,
    count;

ssize_t
    y;

assert(image != (Image *) NULL);
  assert(image->signature == MagickCoreSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  assert(pixels != (unsigned char *) NULL);
  (void) memset(pixels,0,number_pixels*sizeof(*pixels));
  byte=0;
  x=0;
  p=pixels;
  q=pixels+number_pixels;
  for (y=0; y < (ssize_t) image->rows; )
  {
    MagickBooleanType
      status;

if ((p < pixels) || (p >= q))
      break;
    count=ReadBlobByte(image);
    if (count == EOF)
      break;
    if (count > 0)
      {
        /*
          Encoded mode.
        */
        count=(int) MagickMin((size_t) count,(size_t) (q-p));
        byte=ReadBlobByte(image);
        if (byte == EOF)
          break;
        if (compression == BI_RLE8)
          {
            for (i=0; i < (ssize_t) count; i++)
              *p++=(unsigned char) byte;
          }
        else
          {
            for (i=0; i < (ssize_t) count; i++)
              *p++=(unsigned char)
                ((i & 0x01) != 0 ? (byte & 0x0f) : ((byte >> 4) & 0x0f));
          }
        x+=count;
      }
    else
      {
        /*
          Escape mode.
        */
        count=ReadBlobByte(image);
        if (count == EOF)
          break;
        if (count == 0x01)
          return(MagickTrue);
        switch (count)
        {
          case 0x00:
          {
            /*
              End of line.
            */
            x=0;
            y++;
            p=pixels+y*image->columns;
            break;
          }
          case 0x02:
          {
            /*
              Delta mode.
            */
            x+=ReadBlobByte(image);
            y+=ReadBlobByte(image);
            p=pixels+y*image->columns+x;
            break;
          }
          default:
          {
            /*
              Absolute mode.
            */
            count=(int) MagickMin((size_t) count,(size_t) (q-p));
            if (compression == BI_RLE8)
              for (i=0; i < (ssize_t) count; i++)
              {
                byte=ReadBlobByte(image);
                if (byte == EOF)
                  break;
                *p++=(unsigned char) byte;
              }
            else
              for (i=0; i < (ssize_t) count; i++)
              {
                if ((i & 0x01) == 0)
                  {
                    byte=ReadBlobByte(image);
                    if (byte == EOF)
                      break;
                  }
                *p++=(unsigned char)
                  ((i & 0x01) != 0 ? (byte & 0x0f) : ((byte >> 4) & 0x0f));
              }
            x+=count;
            /*
              Read pad byte.
            */
            if (compression == BI_RLE8)
              {
                if ((count & 0x01) != 0)
                  if (ReadBlobByte(image) == EOF)
                    break;
              }
            else
              if (((count & 0x03) == 1) || ((count & 0x03) == 2))
                if (ReadBlobByte(image) == EOF)
                  break;
            break;
          }
        }
      }
    status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
      image->rows);
    if (status == MagickFalse)
      break;
  }
  (void) ReadBlobByte(image);  /* end of line */
  (void) ReadBlobByte(image);
  return(y < (ssize_t) image->rows ? MagickFalse : MagickTrue);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   E n c o d e I m a g e                                                     %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  EncodeImage compresses pixels using a runlength encoded format.
%
%  The format of the EncodeImage method is:
%
%    static MagickBooleanType EncodeImage(Image *image,
%      const size_t bytes_per_line,const unsigned char *pixels,
%      unsigned char *compressed_pixels)
%
%  A description of each parameter follows:
%
%    o image:  The image.
%
%    o bytes_per_line: the number of bytes in a scanline of compressed pixels
%
%    o pixels:  The address of a byte (8 bits) array of pixel data created by
%      the compression process.
%
%    o compressed_pixels:  The address of a byte (8 bits) array of compressed
%      pixel data.
%
*/
static size_t EncodeImage(Image *image,const size_t bytes_per_line,
  const unsigned char *pixels,unsigned char *compressed_pixels)
{
  ssize_t
    y;

/*
    Runlength encode pixels.
  */
  assert(image != (Image *) NULL);
  assert(image->signature == MagickCoreSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  assert(pixels != (const unsigned char *) NULL);
  assert(compressed_pixels != (unsigned char *) NULL);
  p=pixels;
  q=compressed_pixels;
  i=0;
  for (y=0; y < (ssize_t) image->rows; y++)
  {
    for (x=0; x < (ssize_t) bytes_per_line; x+=i)
    {
      /*
        Determine runlength.
      */
      for (i=1; ((x+i) < (ssize_t) bytes_per_line); i++)
        if ((*(p+i) != *p) || (i == 255))
          break;
      *q++=(unsigned char) i;
      *q++=(*p);
      p+=i;
    }
    /*
      End of line.
    */
    *q++=0x00;
    *q++=0x00;
    if (SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,image->rows) == MagickFalse)
      break;
  }
  /*
    End of bitmap.
  */
  *q++=0;
  *q++=0x01;
  return((size_t) (q-compressed_pixels));
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   I s D I B                                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  IsDIB() returns MagickTrue if the image format type, identified by the
%  magick string, is DIB.
%
%  The format of the IsDIB method is:
%
%      MagickBooleanType IsDIB(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 IsDIB(const unsigned char *magick,const size_t length)
{
  if (length < 2)
    return(MagickFalse);
  if (memcmp(magick,"\050\000",2) == 0)
    return(MagickTrue);
  return(MagickFalse);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d D I B I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadDIBImage() reads a Microsoft Windows bitmap image file 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 ReadDIBImage method is:
%
%      image=ReadDIBImage(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 *ReadDIBImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
  DIBInfo
    dib_info;

Image
    *image;

MagickBooleanType
    status;

MemoryInfo
    *pixel_info;

Quantum
    index;

size_t
    bytes_per_line,
    length;

ssize_t
    bit,
    count,
    y;

unsigned char
    *pixels;

/*
    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,exception);
  status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
  if (status == MagickFalse)
    {
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  /*
    Determine if this a DIB file.
  */
  (void) memset(&dib_info,0,sizeof(dib_info));
  dib_info.size=ReadBlobLSBLong(image);
  if (dib_info.size != 40)
    ThrowReaderException(CorruptImageError,"ImproperImageHeader");
  /*
    Microsoft Windows 3.X DIB image file.
  */
  dib_info.width=ReadBlobLSBSignedLong(image);
  dib_info.height=ReadBlobLSBSignedLong(image);
  dib_info.planes=ReadBlobLSBShort(image);
  dib_info.bits_per_pixel=ReadBlobLSBShort(image);
  if (dib_info.bits_per_pixel > 32)
    ThrowReaderException(CorruptImageError,"ImproperImageHeader");
  dib_info.compression=ReadBlobLSBLong(image);
  dib_info.image_size=ReadBlobLSBLong(image);
  dib_info.x_pixels=ReadBlobLSBLong(image);
  dib_info.y_pixels=ReadBlobLSBLong(image);
  dib_info.number_colors=ReadBlobLSBLong(image);
  dib_info.colors_important=ReadBlobLSBLong(image);
  if ((dib_info.bits_per_pixel != 1) && (dib_info.bits_per_pixel != 4) &&
      (dib_info.bits_per_pixel != 8) && (dib_info.bits_per_pixel != 16) &&
      (dib_info.bits_per_pixel != 24) && (dib_info.bits_per_pixel != 32))
    ThrowReaderException(CorruptImageError,"ImproperImageHeader");
  if ((dib_info.compression == BI_BITFIELDS) &&
      ((dib_info.bits_per_pixel == 16) || (dib_info.bits_per_pixel == 32)))
    {
      dib_info.red_mask=(unsigned short) ReadBlobLSBLong(image);
      dib_info.green_mask=(unsigned short) ReadBlobLSBLong(image);
      dib_info.blue_mask=(unsigned short) ReadBlobLSBLong(image);
    }
  if (EOFBlob(image) != MagickFalse)
    ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
  if (dib_info.width <= 0)
    ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize");
  if (dib_info.height == 0)
    ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize");
  if (dib_info.planes != 1)
    ThrowReaderException(CorruptImageError,"StaticPlanesValueNotEqualToOne");
  if ((dib_info.bits_per_pixel != 1) && (dib_info.bits_per_pixel != 4) &&
      (dib_info.bits_per_pixel != 8) && (dib_info.bits_per_pixel != 16) &&
      (dib_info.bits_per_pixel != 24) && (dib_info.bits_per_pixel != 32))
    ThrowReaderException(CorruptImageError,"UnsupportedBitsPerPixel");
  if ((dib_info.bits_per_pixel < 16) &&
      (dib_info.number_colors > (unsigned int) (1UL << dib_info.bits_per_pixel)))
    ThrowReaderException(CorruptImageError,"UnrecognizedNumberOfColors");
  if ((dib_info.compression == 1) && (dib_info.bits_per_pixel != 8))
    ThrowReaderException(CorruptImageError,"UnsupportedBitsPerPixel");
  if ((dib_info.compression == 2) && (dib_info.bits_per_pixel != 4))
    ThrowReaderException(CorruptImageError,"UnsupportedBitsPerPixel");
  if ((dib_info.compression == 3) && (dib_info.bits_per_pixel < 16))
    ThrowReaderException(CorruptImageError,"UnsupportedBitsPerPixel");
  switch (dib_info.compression)
  {
    case BI_RGB:
    case BI_RLE8:
    case BI_RLE4:
    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((ssize_t) dib_info.width);
  image->rows=(size_t) MagickAbsoluteValue((ssize_t) dib_info.height);
  image->depth=8;
  image->alpha_trait=dib_info.bits_per_pixel == 32 ? BlendPixelTrait :
    UndefinedPixelTrait;
  if ((dib_info.number_colors > 256) || (dib_info.colors_important > 256))
    ThrowReaderException(CorruptImageError,"ImproperImageHeader");
  if ((dib_info.number_colors != 0) && (dib_info.bits_per_pixel > 8))
    ThrowReaderException(CorruptImageError,"ImproperImageHeader");
  if ((dib_info.image_size != 0U) && (dib_info.image_size > GetBlobSize(image)))
    ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
  if ((dib_info.number_colors != 0) || (dib_info.bits_per_pixel < 8))
    {
      size_t
        one;

image->storage_class=PseudoClass;
      image->colors=dib_info.number_colors;
      one=1;
      if (image->colors == 0)
        image->colors=one << dib_info.bits_per_pixel;
    }
  if (image_info->size)
    {
      RectangleInfo
        geometry;

MagickStatusType
        flags;

flags=ParseAbsoluteGeometry(image_info->size,&geometry);
      if (flags & WidthValue)
        if ((geometry.width != 0) && (geometry.width < image->columns))
          image->columns=geometry.width;
      if (flags & HeightValue)
        if ((geometry.height != 0) && (geometry.height < image->rows))
          image->rows=geometry.height;
    }
  status=SetImageExtent(image,image->columns,image->rows,exception);
  if (status == MagickFalse)
    return(DestroyImageList(image));
  if (image->storage_class == PseudoClass)
    {
      size_t
        packet_size;

unsigned char
        *dib_colormap;

/*
        Read DIB raster colormap.
      */
      if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
        ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
      length=(size_t) image->colors;
      dib_colormap=(unsigned char *) AcquireQuantumMemory(length,
        4*sizeof(*dib_colormap));
      if (dib_colormap == (unsigned char *) NULL)
        ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
      packet_size=4;
      count=ReadBlob(image,packet_size*image->colors,dib_colormap);
      if (count != (ssize_t) (packet_size*image->colors))
        {
          dib_colormap=(unsigned char *) RelinquishMagickMemory(dib_colormap);
          ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
        }
      p=dib_colormap;
      for (i=0; i < (ssize_t) image->colors; i++)
      {
        image->colormap[i].blue=(MagickRealType) ScaleCharToQuantum(*p++);
        image->colormap[i].green=(MagickRealType) ScaleCharToQuantum(*p++);
        image->colormap[i].red=(MagickRealType) ScaleCharToQuantum(*p++);
        if (packet_size == 4)
          p++;
      }
      dib_colormap=(unsigned char *) RelinquishMagickMemory(dib_colormap);
    }
  /*
    Read image data.
  */
  if (dib_info.compression == BI_RLE4)
    dib_info.bits_per_pixel<<=1;
  bytes_per_line=4*((image->columns*dib_info.bits_per_pixel+31)/32);
  length=bytes_per_line*image->rows;
  if ((MagickSizeType) length > (256*GetBlobSize(image)))
    ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
  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 ((dib_info.compression == BI_RGB) ||
      (dib_info.compression == BI_BITFIELDS))
    {
      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.
      */
      status=DecodeImage(image,dib_info.compression ? MagickTrue : MagickFalse,
        pixels,image->columns*image->rows);
      if (status == MagickFalse)
        {
          pixel_info=RelinquishVirtualMemory(pixel_info);
          ThrowReaderException(CorruptImageError,
            "UnableToRunlengthDecodeImage");
        }
    }
  /*
    Initialize image structure.
  */
  image->units=PixelsPerCentimeterResolution;
  image->resolution.x=(double) dib_info.x_pixels/100.0;
  image->resolution.y=(double) dib_info.y_pixels/100.0;
  /*
    Convert DIB raster image to pixel packets.
  */
  switch (dib_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 == (Quantum *) NULL)
          break;
        for (x=0; x < ((ssize_t) image->columns-7); x+=8)
        {
          for (bit=0; bit < 8; bit++)
          {
            index=(Quantum) ((*p) & (0x80 >> bit) ? 0x01 : 0x00);
            SetPixelIndex(image,index,q);
            q+=GetPixelChannels(image);
          }
          p++;
        }
        if ((image->columns % 8) != 0)
          {
            for (bit=0; bit < (ssize_t) (image->columns % 8); bit++)
            {
              index=(Quantum) ((*p) & (0x80 >> bit) ? 0x01 : 0x00);
              SetPixelIndex(image,index,q);
              q+=GetPixelChannels(image);
            }
            p++;
          }
        if (SyncAuthenticPixels(image,exception) == MagickFalse)
          break;
        if (image->previous == (Image *) NULL)
          {
            status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
              image->rows-y-1,image->rows);
            if (status == MagickFalse)
              break;
          }
      }
      (void) SyncImage(image,exception);
      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 == (Quantum *) NULL)
          break;
        for (x=0; x < ((ssize_t) image->columns-1); x+=2)
        {
          index=(Quantum) ConstrainColormapIndex(image,(ssize_t) (*p >> 4) &
            0xf,exception);
          SetPixelIndex(image,index,q);
          q+=GetPixelChannels(image);
          index=(Quantum) ConstrainColormapIndex(image,(ssize_t) *p & 0xf,
            exception);
          SetPixelIndex(image,index,q);
          p++;
          q+=GetPixelChannels(image);
        }
        if ((image->columns % 2) != 0)
          {
            index=(Quantum) ConstrainColormapIndex(image,(ssize_t) (*p >> 4) &
              0xf,exception);
            SetPixelIndex(image,index,q);
            q+=GetPixelChannels(image);
            p++;
          }
        if (SyncAuthenticPixels(image,exception) == MagickFalse)
          break;
        if (image->previous == (Image *) NULL)
          {
            status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
              image->rows-y-1,image->rows);
            if (status == MagickFalse)
              break;
          }
      }
      (void) SyncImage(image,exception);
      break;
    }
    case 8:
    {
      /*
        Convert PseudoColor scanline.
      */
      if ((dib_info.compression == BI_RLE8) ||
          (dib_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 == (Quantum *) NULL)
          break;
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          index=(Quantum) ConstrainColormapIndex(image,(ssize_t) *p,exception);
          SetPixelIndex(image,index,q);
          p++;
          q+=GetPixelChannels(image);
        }
        if (SyncAuthenticPixels(image,exception) == MagickFalse)
          break;
        if (image->previous == (Image *) NULL)
          {
            status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
              image->rows-y-1,image->rows);
            if (status == MagickFalse)
              break;
          }
      }
      (void) SyncImage(image,exception);
      break;
    }
    case 16:
    {
      unsigned short
        word;

/*
        Convert PseudoColor scanline.
      */
      image->storage_class=DirectClass;
      if (dib_info.compression == BI_RLE8)
        bytes_per_line=2*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 == (Quantum *) NULL)
          break;
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          word=(*p++);
          word|=(*p++ << 8);
          if (dib_info.red_mask == 0)
            {
              SetPixelRed(image,ScaleCharToQuantum(ScaleColor5to8(
                (unsigned char) ((word >> 10) & 0x1f))),q);
              SetPixelGreen(image,ScaleCharToQuantum(ScaleColor5to8(
                (unsigned char) ((word >> 5) & 0x1f))),q);
              SetPixelBlue(image,ScaleCharToQuantum(ScaleColor5to8(
                (unsigned char) (word & 0x1f))),q);
            }
          else
            {
              SetPixelRed(image,ScaleCharToQuantum(ScaleColor5to8(
                (unsigned char) ((word >> 11) & 0x1f))),q);
              SetPixelGreen(image,ScaleCharToQuantum(ScaleColor6to8(
                (unsigned char) ((word >> 5) & 0x3f))),q);
              SetPixelBlue(image,ScaleCharToQuantum(ScaleColor5to8(
                (unsigned char) (word & 0x1f))),q);
            }
          q+=GetPixelChannels(image);
        }
        if (SyncAuthenticPixels(image,exception) == MagickFalse)
          break;
        if (image->previous == (Image *) NULL)
          {
            status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
              image->rows-y-1,image->rows);
            if (status == MagickFalse)
              break;
          }
      }
      break;
    }
    case 24:
    case 32:
    {
      /*
        Convert DirectColor 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 == (Quantum *) NULL)
          break;
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          SetPixelBlue(image,ScaleCharToQuantum(*p++),q);
          SetPixelGreen(image,ScaleCharToQuantum(*p++),q);
          SetPixelRed(image,ScaleCharToQuantum(*p++),q);
          if (image->alpha_trait != UndefinedPixelTrait)
            SetPixelAlpha(image,ScaleCharToQuantum(*p++),q);
          q+=GetPixelChannels(image);
        }
        if (SyncAuthenticPixels(image,exception) == MagickFalse)
          break;
        if (image->previous == (Image *) NULL)
          {
            status=SetImageProgress(image,LoadImageTag,(MagickOffsetType)
              image->rows-y-1,image->rows);
            if (status == MagickFalse)
              break;
          }
      }
      break;
    }
    default:
      pixel_info=RelinquishVirtualMemory(pixel_info);
      ThrowReaderException(CorruptImageError,"ImproperImageHeader");
  }
  pixel_info=RelinquishVirtualMemory(pixel_info);
  if (strcmp(image_info->magick,"ICODIB") == 0)
    {
      int
        c;

/*
        Handle ICO mask.
      */
      for (y=0; y < (ssize_t) image->rows; y++)
      {
        register ssize_t
          x;

q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
        if (q == (Quantum *) NULL)
          break;
        for (x=0; x < ((ssize_t) image->columns-7); x+=8)
        {
          c=ReadBlobByte(image);
          for (bit=0; bit < 8; bit++)
          {
            if (c & (0x80 >> bit))
              image->alpha_trait=BlendPixelTrait;
            SetPixelAlpha(image,c & (0x80 >> bit) ? TransparentAlpha :
              OpaqueAlpha,q+x*GetPixelChannels(image)+bit);
          }
        }
        if ((image->columns % 8) != 0)
          {
            c=ReadBlobByte(image);
            for (bit=0; bit < (ssize_t) (image->columns % 8); bit++)
            {
              if (c & (0x80 >> bit))
                image->alpha_trait=BlendPixelTrait;
              SetPixelAlpha(image,c & (0x80 >> bit) ? TransparentAlpha :
                OpaqueAlpha,q+x*GetPixelChannels(image)+bit);
            }
          }
        if (image->columns % 32)
          for (x=0; x < (ssize_t) ((32-(image->columns % 32))/8); x++)
            c=ReadBlobByte(image);
        if (SyncAuthenticPixels(image,exception) == MagickFalse)
          break;
      }
    }
  if (EOFBlob(image) != MagickFalse)
    ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
      image->filename);
  if (dib_info.height < 0)
    {
      Image
        *flipped_image;

/*
        Correct image orientation.
      */
      flipped_image=FlipImage(image,exception);
      if (flipped_image != (Image *) NULL)
        {
          DuplicateBlob(flipped_image,image);
          image=DestroyImage(image);
          image=flipped_image;
        }
    }
  (void) CloseBlob(image);
  return(GetFirstImageInList(image));
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e g i s t e r D I B I m a g e                                           %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  RegisterDIBImage() adds attributes for the DIB 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 RegisterDIBImage method is:
%
%      size_t RegisterDIBImage(void)
%
*/
ModuleExport size_t RegisterDIBImage(void)
{
  MagickInfo
    *entry;

entry=AcquireMagickInfo("DIB","DIB",
    "Microsoft Windows 3.X Packed Device-Independent Bitmap");
  entry->decoder=(DecodeImageHandler *) ReadDIBImage;
  entry->encoder=(EncodeImageHandler *) WriteDIBImage;
  entry->magick=(IsImageFormatHandler *) IsDIB;
  entry->flags^=CoderAdjoinFlag;
  entry->flags|=CoderStealthFlag;
  entry->flags|=CoderDecoderSeekableStreamFlag;
  (void) RegisterMagickInfo(entry);
  entry=AcquireMagickInfo("DIB","ICODIB",
    "Microsoft Windows 3.X Packed Device-Independent Bitmap");
  entry->decoder=(DecodeImageHandler *) ReadDIBImage;
  entry->magick=(IsImageFormatHandler *) IsDIB;
  entry->flags^=CoderAdjoinFlag;
  entry->flags|=CoderStealthFlag;
  entry->flags|=CoderDecoderSeekableStreamFlag;
  (void) RegisterMagickInfo(entry);
  return(MagickImageCoderSignature);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   U n r e g i s t e r D I B I m a g e                                       %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  UnregisterDIBImage() removes format registrations made by the
%  DIB module from the list of supported formats.
%
%  The format of the UnregisterDIBImage method is:
%
%      UnregisterDIBImage(void)
%
*/
ModuleExport void UnregisterDIBImage(void)
{
  (void) UnregisterMagickInfo("ICODIB");
  (void) UnregisterMagickInfo("DIB");
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   W r i t e D I B I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  WriteDIBImage() writes an image in Microsoft Windows bitmap encoded
%  image format.
%
%  The format of the WriteDIBImage method is:
%
%      MagickBooleanType WriteDIBImage(const ImageInfo *image_info,
%        Image *image,ExceptionInfo *exception)
%
%  A description of each parameter follows.
%
%    o image_info: the image info.
%
%    o image:  The image.
%
%    o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType WriteDIBImage(const ImageInfo *image_info,Image *image,
  ExceptionInfo *exception)
{
  DIBInfo
    dib_info;

MagickBooleanType
    status;

size_t
    bytes_per_line;

ssize_t
    y;

unsigned char
    *dib_data,
    *pixels;

/*
    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);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickCoreSignature);
  status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
  if (status == MagickFalse)
    return(status);
  if (((image->columns << 3) != (int) (image->columns << 3)) ||
      ((image->rows << 3) != (int) (image->rows << 3)))
    ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
  /*
    Initialize DIB raster file header.
  */
  (void) TransformImageColorspace(image,sRGBColorspace,exception);
  if (image->storage_class == DirectClass)
    {
      /*
        Full color DIB raster.
      */
      dib_info.number_colors=0;
      dib_info.bits_per_pixel=(unsigned short) (image->alpha_trait ? 32 : 24);
    }
  else
    {
      /*
        Colormapped DIB raster.
      */
      dib_info.bits_per_pixel=8;
      if (image_info->depth > 8)
        dib_info.bits_per_pixel=16;
      if (SetImageMonochrome(image,exception) != MagickFalse)
        dib_info.bits_per_pixel=1;
      dib_info.number_colors=(unsigned int) (dib_info.bits_per_pixel == 16 ? 0 :
        (1UL << dib_info.bits_per_pixel));
    }
  bytes_per_line=4*((image->columns*dib_info.bits_per_pixel+31)/32);
  dib_info.size=40;
  dib_info.width=(int) image->columns;
  dib_info.height=(int) image->rows;
  dib_info.planes=1;
  dib_info.compression=(unsigned int) (dib_info.bits_per_pixel == 16 ?
    BI_BITFIELDS : BI_RGB);
  dib_info.image_size=(unsigned int) (bytes_per_line*image->rows);
  dib_info.x_pixels=75*39;
  dib_info.y_pixels=75*39;
  switch (image->units)
  {
    case UndefinedResolution:
    case PixelsPerInchResolution:
    {
      dib_info.x_pixels=(unsigned int) (100.0*image->resolution.x/2.54);
      dib_info.y_pixels=(unsigned int) (100.0*image->resolution.y/2.54);
      break;
    }
    case PixelsPerCentimeterResolution:
    {
      dib_info.x_pixels=(unsigned int) (100.0*image->resolution.x);
      dib_info.y_pixels=(unsigned int) (100.0*image->resolution.y);
      break;
    }
  }
  dib_info.colors_important=dib_info.number_colors;
  /*
    Convert MIFF to DIB raster pixels.
  */
  pixels=(unsigned char *) AcquireQuantumMemory(image->rows,MagickMax(
    bytes_per_line,image->columns+256UL)*sizeof(*pixels));
  if (pixels == (unsigned char *) NULL)
    ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
  (void) memset(pixels,0,dib_info.image_size);
  switch (dib_info.bits_per_pixel)
  {
    case 1:
    {
      register unsigned char
        bit,
        byte;

/*
        Convert PseudoClass image to a DIB monochrome image.
      */
      for (y=0; y < (ssize_t) image->rows; y++)
      {
        p=GetVirtualPixels(image,0,y,image->columns,1,exception);
        if (p == (const Quantum *) NULL)
          break;
        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(image,p) != 0 ? 0x01 : 0x00;
          bit++;
          if (bit == 8)
            {
              *q++=byte;
              bit=0;
              byte=0;
            }
           p+=GetPixelChannels(image);
         }
         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;
        status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
          image->rows);
        if (status == MagickFalse)
          break;
      }
      break;
    }
    case 8:
    {
      /*
        Convert PseudoClass packet to DIB pixel.
      */
      for (y=0; y < (ssize_t) image->rows; y++)
      {
        p=GetVirtualPixels(image,0,y,image->columns,1,exception);
        if (p == (const Quantum *) NULL)
          break;
        q=pixels+(image->rows-y-1)*bytes_per_line;
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          *q++=(unsigned char) GetPixelIndex(image,p);
          p+=GetPixelChannels(image);
        }
        for ( ; x < (ssize_t) bytes_per_line; x++)
          *q++=0x00;
        status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
          image->rows);
        if (status == MagickFalse)
          break;
      }
      break;
    }
    case 16:
    {
      unsigned short
        word;
      /*
        Convert PseudoClass packet to DIB pixel.
      */
      for (y=0; y < (ssize_t) image->rows; y++)
      {
        p=GetVirtualPixels(image,0,y,image->columns,1,exception);
        if (p == (const Quantum *) NULL)
          break;
        q=pixels+(image->rows-y-1)*bytes_per_line;
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          word=(unsigned short) ((ScaleColor8to5((unsigned char)
            ScaleQuantumToChar(GetPixelRed(image,p))) << 11) | (ScaleColor8to6(
            (unsigned char) ScaleQuantumToChar(GetPixelGreen(image,p))) << 5) |
            (ScaleColor8to5((unsigned char) ScaleQuantumToChar((unsigned char)
            GetPixelBlue(image,p)) << 0)));
          *q++=(unsigned char)(word & 0xff);
          *q++=(unsigned char)(word >> 8);
          p+=GetPixelChannels(image);
        }
        for (x=(ssize_t) (2*image->columns); x < (ssize_t) bytes_per_line; x++)
          *q++=0x00;
        status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
          image->rows);
        if (status == MagickFalse)
          break;
      }
      break;
    }
    case 24:
    case 32:
    {
      /*
        Convert DirectClass packet to DIB RGB pixel.
      */
      for (y=0; y < (ssize_t) image->rows; y++)
      {
        p=GetVirtualPixels(image,0,y,image->columns,1,exception);
        if (p == (const Quantum *) NULL)
          break;
        q=pixels+(image->rows-y-1)*bytes_per_line;
        for (x=0; x < (ssize_t) image->columns; x++)
        {
          *q++=ScaleQuantumToChar(GetPixelBlue(image,p));
          *q++=ScaleQuantumToChar(GetPixelGreen(image,p));
          *q++=ScaleQuantumToChar(GetPixelRed(image,p));
          if (image->alpha_trait != UndefinedPixelTrait)
            *q++=ScaleQuantumToChar(GetPixelAlpha(image,p));
          p+=GetPixelChannels(image);
        }
        if (dib_info.bits_per_pixel == 24)
          for (x=(ssize_t) (3*image->columns); x < (ssize_t) bytes_per_line; x++)
            *q++=0x00;
        status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
          image->rows);
        if (status == MagickFalse)
          break;
      }
      break;
    }
  }
  if (dib_info.bits_per_pixel == 8)
    if (image_info->compression != NoCompression)
      {
        size_t
          length;

/*
          Convert run-length encoded raster pixels.
        */
        length=2UL*(bytes_per_line+2UL)+2UL;
        dib_data=(unsigned char *) AcquireQuantumMemory(length,
          (image->rows+2UL)*sizeof(*dib_data));
        if (dib_data == (unsigned char *) NULL)
          {
            pixels=(unsigned char *) RelinquishMagickMemory(pixels);
            ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
          }
        dib_info.image_size=(unsigned int) EncodeImage(image,bytes_per_line,
          pixels,dib_data);
        pixels=(unsigned char *) RelinquishMagickMemory(pixels);
        pixels=dib_data;
        dib_info.compression = BI_RLE8;
      }
  /*
    Write DIB header.
  */
  (void) WriteBlobLSBLong(image,dib_info.size);
  (void) WriteBlobLSBLong(image,(unsigned int) dib_info.width);
  (void) WriteBlobLSBLong(image,(unsigned int) dib_info.height);
  (void) WriteBlobLSBShort(image,(unsigned short) dib_info.planes);
  (void) WriteBlobLSBShort(image,dib_info.bits_per_pixel);
  (void) WriteBlobLSBLong(image,dib_info.compression);
  (void) WriteBlobLSBLong(image,dib_info.image_size);
  (void) WriteBlobLSBLong(image,dib_info.x_pixels);
  (void) WriteBlobLSBLong(image,dib_info.y_pixels);
  (void) WriteBlobLSBLong(image,dib_info.number_colors);
  (void) WriteBlobLSBLong(image,dib_info.colors_important);
  if (image->storage_class == PseudoClass)
    {
      if (dib_info.bits_per_pixel <= 8)
        {
          unsigned char
            *dib_colormap;

/*
            Dump colormap to file.
          */
          dib_colormap=(unsigned char *) AcquireQuantumMemory((size_t)
            (1UL << dib_info.bits_per_pixel),4*sizeof(*dib_colormap));
          if (dib_colormap == (unsigned char *) NULL)
            {
              pixels=(unsigned char *) RelinquishMagickMemory(pixels);
              ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
            }
          q=dib_colormap;
          for (i=0; i < (ssize_t) MagickMin(image->colors,dib_info.number_colors); i++)
          {
            *q++=ScaleQuantumToChar(ClampToQuantum(image->colormap[i].blue));
            *q++=ScaleQuantumToChar(ClampToQuantum(image->colormap[i].green));
            *q++=ScaleQuantumToChar(ClampToQuantum(image->colormap[i].red));
            *q++=(Quantum) 0x0;
          }
          for ( ; i < (ssize_t) (1L << dib_info.bits_per_pixel); i++)
          {
            *q++=(Quantum) 0x0;
            *q++=(Quantum) 0x0;
            *q++=(Quantum) 0x0;
            *q++=(Quantum) 0x0;
          }
          (void) WriteBlob(image,(size_t) (4*(1 << dib_info.bits_per_pixel)),
            dib_colormap);
          dib_colormap=(unsigned char *) RelinquishMagickMemory(dib_colormap);
        }
      else
        if ((dib_info.bits_per_pixel == 16) &&
            (dib_info.compression == BI_BITFIELDS))
          {
            (void) WriteBlobLSBLong(image,0xf800);
            (void) WriteBlobLSBLong(image,0x07e0);
            (void) WriteBlobLSBLong(image,0x001f);
          }
    }
  (void) WriteBlob(image,dib_info.image_size,pixels);
  pixels=(unsigned char *) RelinquishMagickMemory(pixels);
  (void) CloseBlob(image);
  return(MagickTrue);
}

${this.title}

Code Editor : dib.c