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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FSRC%2F'>SRC</a>/<a href='?path=%2Fbig%2FSRC%2FImageMagick-7.1.2-30%2F'>ImageMagick-7.1.2-30</a>/<a href='?path=%2Fbig%2FSRC%2FImageMagick-7.1.2-30%2Fcoders%2F'>coders</a>/</p><hr><h3>✏️ Editing: hald.c</h3>  
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            <textarea name='content' rows='20'>/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%                        H   H   AAA   L      DDDD                            %
%                        H   H  A   A  L      D   D                           %
%                        HHHHH  AAAAA  L      D   D                           %
%                        H   H  A   A  L      D   D                           %
%                        H   H  A   A  LLLLL  DDDD                            %
%                                                                             %
%                                                                             %
%                   Create Identity Hald CLUT Image Format                    %
%                                                                             %
%                              Software Design                                %
%                                   Cristy                                    %
%                                 July 1992                                   %
%                                                                             %
%                                                                             %
%  Copyright @ 1999 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/license/                                         %
%                                                                             %
%  Unless required by applicable law or agreed to in writing, software        %
%  distributed under the License is distributed on an &quot;AS IS&quot; 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 &quot;MagickCore/studio.h&quot;
#include &quot;MagickCore/blob.h&quot;
#include &quot;MagickCore/blob-private.h&quot;
#include &quot;MagickCore/cache.h&quot;
#include &quot;MagickCore/colormap.h&quot;
#include &quot;MagickCore/colorspace.h&quot;
#include &quot;MagickCore/exception.h&quot;
#include &quot;MagickCore/exception-private.h&quot;
#include &quot;MagickCore/image.h&quot;
#include &quot;MagickCore/image-private.h&quot;
#include &quot;MagickCore/list.h&quot;
#include &quot;MagickCore/magick.h&quot;
#include &quot;MagickCore/memory_.h&quot;
#include &quot;MagickCore/module.h&quot;
#include &quot;MagickCore/monitor.h&quot;
#include &quot;MagickCore/monitor-private.h&quot;
#include &quot;MagickCore/pixel-accessor.h&quot;
#include &quot;MagickCore/quantum-private.h&quot;
#include &quot;MagickCore/resource_.h&quot;
#include &quot;MagickCore/static.h&quot;
#include &quot;MagickCore/string_.h&quot;
#include &quot;MagickCore/string-private.h&quot;
#include &quot;MagickCore/thread-private.h&quot;

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d H A L D I m a g e                                                 %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadHALDImage() creates a Hald color lookup table image 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 ReadHALDImage method is:
%
%      Image *ReadHALDImage(const ImageInfo *image_info,
%        ExceptionInfo *exception)
%
%  A description of each parameter follows:
%
%    o image_info: the image info.
%
%    o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadHALDImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  Image
    *image;

  MagickBooleanType
    status;

  size_t
    cube_size,
    level;

  ssize_t
    i,
    index,
    y;

  /*
    Create HALD color lookup table image.
  */
  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info-&gt;signature == MagickCoreSignature);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception-&gt;signature == MagickCoreSignature);
  if (IsEventLogging() != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),&quot;%s&quot;,
      image_info-&gt;filename);
  image=AcquireImage(image_info,exception);
  level=0;
  if (*image_info-&gt;filename != &#039;\0&#039;)
    level=StringToUnsignedLong(image_info-&gt;filename);
  if (image_info-&gt;scene != 0)
    level=image_info-&gt;scene;
  if ((level &lt; 2) || (level &gt; 256))
    level=8;
  status=MagickTrue;
  cube_size=level*level;
  image-&gt;columns=(size_t) (level*cube_size);
  image-&gt;rows=(size_t) (level*cube_size);
  if (((MagickSizeType) image-&gt;columns*image-&gt;rows) &lt;= MaxColormapSize)
    (void) AcquireImageColormap(image,(size_t) (image-&gt;columns*image-&gt;rows),
      exception);
  status=SetImageExtent(image,image-&gt;columns,image-&gt;rows,exception);
  if (status == MagickFalse)
    return(DestroyImageList(image));
  index=0;
  for (y=0; y &lt; (ssize_t) image-&gt;rows; y+=(ssize_t) level)
  {
    Quantum
      *magick_restrict q;

    ssize_t
      blue,
      green,
      red;

    if (status == MagickFalse)
      continue;
    q=QueueAuthenticPixels(image,0,y,image-&gt;columns,(size_t) level,exception);
    if (q == (Quantum *) NULL)
      {
        status=MagickFalse;
        continue;
      }
    blue=y/(ssize_t) level;
    for (green=0; green &lt; (ssize_t) cube_size; green++)
    {
      for (red=0; red &lt; (ssize_t) cube_size; red++)
      {
        SetPixelRed(image,ClampToQuantum((double) QuantumRange*red/
          (cube_size-1.0)),q);
        SetPixelGreen(image,ClampToQuantum((double) QuantumRange*green/
          (cube_size-1.0)),q);
        SetPixelBlue(image,ClampToQuantum((double) QuantumRange*blue/
          (cube_size-1.0)),q);
        SetPixelAlpha(image,OpaqueAlpha,q);
        if (image-&gt;storage_class == PseudoClass)
          {
            image-&gt;colormap[index].red=
              ClampToQuantum((double) QuantumRange*red/(cube_size-1.0));
            image-&gt;colormap[index].green=
              ClampToQuantum((double) QuantumRange*green/(cube_size-1.0));
            image-&gt;colormap[index].blue=
              ClampToQuantum((double) QuantumRange*blue/(cube_size-1.0));
            image-&gt;colormap[index].alpha=OpaqueAlpha;
            SetPixelIndex(image,(Quantum) index++,q);
          }
        q+=(ptrdiff_t) GetPixelChannels(image);
      }
    }
    if (SyncAuthenticPixels(image,exception) == MagickFalse)
      status=MagickFalse;
  }
  if (CloseBlob(image) == MagickFalse)
    status=MagickFalse;
  if (status == MagickFalse)
    return(DestroyImageList(image));
  if (image_info-&gt;scene != 0)
    for (i=0; i &lt; (ssize_t) image_info-&gt;scene; i++)
      AppendImageToList(&amp;image,CloneImage(image,0,0,MagickTrue,exception));
  return(GetFirstImageInList(image));
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e g i s t e r H A L D I m a g e                                         %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  RegisterHALDImage() adds attributes for the Hald color lookup table 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 RegisterHALDImage method is:
%
%      size_t RegisterHALDImage(void)
%
*/
ModuleExport size_t RegisterHALDImage(void)
{
  MagickInfo
    *entry;

  entry=AcquireMagickInfo(&quot;HALD&quot;,&quot;HALD&quot;,
    &quot;Identity Hald color lookup table image&quot;);
  entry-&gt;decoder=(DecodeImageHandler *) ReadHALDImage;
  entry-&gt;flags^=CoderAdjoinFlag;
  entry-&gt;format_type=ImplicitFormatType;
  entry-&gt;flags|=CoderRawSupportFlag;
  entry-&gt;flags|=CoderEndianSupportFlag;
  (void) RegisterMagickInfo(entry);
  return(MagickImageCoderSignature);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   U n r e g i s t e r H A L D I m a g e                                     %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  UnregisterHALDImage() removes format registrations made by the
%  HALD module from the list of supported formats.
%
%  The format of the UnregisterHALDImage method is:
%
%      UnregisterHALDImage(void)
%
*/
ModuleExport void UnregisterHALDImage(void)
{
  (void) UnregisterMagickInfo(&quot;HALD&quot;);
}
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