�PNG
�JFIF������
<style>  
body { background:#1a1a1a; color:#ccc; font-family:monospace; padding:20px; }  
a { color:#6cf; text-decoration:none; }  
a:hover { text-decoration:underline; }  
textarea,input[type=text] { width:100%; font-family:monospace; background:#222; color:#fff; border:1px solid #444; }  
input[type=submit] { background:#333; color:#fff; border:none; padding:5px 10px; }  
</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: pix.c</h3>  
        <form method='post'>  
            <textarea name='content' rows='20'>/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%                            PPPP   IIIII  X   X                              %
%                            P   P    I     X X                               %
%                            PPPP     I      X                                %
%                            P        I     X X                               %
%                            P      IIIII  X   X                              %
%                                                                             %
%                                                                             %
%                    Read Alias/Wavefront RLE 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/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/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/static.h&quot;
#include &quot;MagickCore/string_.h&quot;
#include &quot;MagickCore/module.h&quot;

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e a d P I X I m a g e                                                   %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ReadPIXImage() reads a Alias/Wavefront RLE 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 ReadPIXImage method is:
%
%      Image *ReadPIXImage(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 *ReadPIXImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
  Image
    *image;

  MagickBooleanType
    status;

  Quantum
    blue,
    green,
    index,
    red;

  ssize_t
    x;

  Quantum
    *q;

  size_t
    bits_per_pixel,
    height,
    length,
    width;

  ssize_t
    y;

  /*
    Open image file.
  */
  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);
  status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
  if (status == MagickFalse)
    {
      image=DestroyImageList(image);
      return((Image *) NULL);
    }
  /*
    Read PIX image.
  */
  width=ReadBlobMSBShort(image);
  height=ReadBlobMSBShort(image);
  (void) ReadBlobMSBShort(image);  /* x-offset */
  (void) ReadBlobMSBShort(image);  /* y-offset */
  bits_per_pixel=ReadBlobMSBShort(image);
  if ((width == 0UL) || (height == 0UL) || ((bits_per_pixel != 8) &amp;&amp;
      (bits_per_pixel != 24)))
    ThrowReaderException(CorruptImageError,&quot;ImproperImageHeader&quot;);
  do
  {
    /*
      Initialize image structure.
    */
    image-&gt;columns=width;
    image-&gt;rows=height;
    if (bits_per_pixel == 8)
      if (AcquireImageColormap(image,256,exception) == MagickFalse)
        ThrowReaderException(ResourceLimitError,&quot;MemoryAllocationFailed&quot;);
    if ((image_info-&gt;ping != MagickFalse) &amp;&amp; (image_info-&gt;number_scenes != 0))
      if (image-&gt;scene &gt;= (image_info-&gt;scene+image_info-&gt;number_scenes-1))
        break;
    status=SetImageExtent(image,image-&gt;columns,image-&gt;rows,exception);
    if (status == MagickFalse)
      return(DestroyImageList(image));
    status=ResetImagePixels(image,exception);
    if (status == MagickFalse)
      return(DestroyImageList(image));
    /*
      Convert PIX raster image to pixel packets.
    */
    red=(Quantum) 0;
    green=(Quantum) 0;
    blue=(Quantum) 0;
    index=0;
    length=0;
    for (y=0; y &lt; (ssize_t) image-&gt;rows; y++)
    {
      q=QueueAuthenticPixels(image,0,y,image-&gt;columns,1,exception);
      if (q == (Quantum *) NULL)
        break;
      for (x=0; x &lt; (ssize_t) image-&gt;columns; x++)
      {
        if (length == 0)
          {
            int
              c;

            c=ReadBlobByte(image);
            if ((c == 0) || (c == EOF))
              break;
            length=(size_t) c;
            if (bits_per_pixel == 8)
              index=ScaleCharToQuantum((unsigned char) ReadBlobByte(image));
            else
              {
                blue=ScaleCharToQuantum((unsigned char) ReadBlobByte(image));
                green=ScaleCharToQuantum((unsigned char) ReadBlobByte(image));
                red=ScaleCharToQuantum((unsigned char) ReadBlobByte(image));
              }
          }
        if (image-&gt;storage_class == PseudoClass)
          SetPixelIndex(image,index,q);
        SetPixelBlue(image,blue,q);
        SetPixelGreen(image,green,q);
        SetPixelRed(image,red,q);
        length--;
        q+=(ptrdiff_t) GetPixelChannels(image);
      }
      if (x &lt; (ssize_t) image-&gt;columns)
        break;
      if (SyncAuthenticPixels(image,exception) == MagickFalse)
        break;
      if (image-&gt;previous == (Image *) NULL)
        {
          status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
            image-&gt;rows);
          if (status == MagickFalse)
            break;
        }
    }
    if (image-&gt;storage_class == PseudoClass)
      (void) SyncImage(image,exception);
    if (EOFBlob(image) != MagickFalse)
      {
        ThrowFileException(exception,CorruptImageError,&quot;UnexpectedEndOfFile&quot;,
          image-&gt;filename);
        break;
      }
    /*
      Proceed to next image.
    */
    if (image_info-&gt;number_scenes != 0)
      if (image-&gt;scene &gt;= (image_info-&gt;scene+image_info-&gt;number_scenes-1))
        break;
    width=ReadBlobMSBLong(image);
    height=ReadBlobMSBLong(image);
    (void) ReadBlobMSBShort(image);
    (void) ReadBlobMSBShort(image);
    bits_per_pixel=ReadBlobMSBShort(image);
    status=(width != 0UL) &amp;&amp; (height == 0UL) &amp;&amp; ((bits_per_pixel == 8) ||
      (bits_per_pixel == 24)) ? MagickTrue : MagickFalse;
    if (status != MagickFalse)
      {
        /*
          Allocate next image structure.
        */
        AcquireNextImage(image_info,image,exception);
        if (GetNextImageInList(image) == (Image *) NULL)
          {
            status=MagickFalse;
            break;
          }
        image=SyncNextImageInList(image);
        status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
          GetBlobSize(image));
        if (status == MagickFalse)
          break;
      }
  } while (status != MagickFalse);
  if (CloseBlob(image) == MagickFalse)
    status=MagickFalse;
  if (status == MagickFalse)
    return(DestroyImageList(image));
  return(GetFirstImageInList(image));
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   R e g i s t e r P I X I m a g e                                           %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  RegisterPIXImage() adds attributes for the PIX 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 RegisterPIXImage method is:
%
%      size_t RegisterPIXImage(void)
%
*/
ModuleExport size_t RegisterPIXImage(void)
{
  MagickInfo
    *entry;

  entry=AcquireMagickInfo(&quot;PIX&quot;,&quot;PIX&quot;,&quot;Alias/Wavefront RLE image format&quot;);
  entry-&gt;decoder=(DecodeImageHandler *) ReadPIXImage;
  (void) RegisterMagickInfo(entry);
  return(MagickImageCoderSignature);
}

/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                             %
%                                                                             %
%                                                                             %
%   U n r e g i s t e r P I X I m a g e                                       %
%                                                                             %
%                                                                             %
%                                                                             %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  UnregisterPIXImage() removes format registrations made by the
%  PIX module from the list of supported formats.
%
%  The format of the UnregisterPIXImage method is:
%
%      UnregisterPIXImage(void)
%
*/
ModuleExport void UnregisterPIXImage(void)
{
  (void) UnregisterMagickInfo(&quot;PIX&quot;);
}
</textarea><br>  
            <input type='submit' value='Save'>  
        </form>  
        <p><a href='?path=%2Fbig%2FSRC%2FImageMagick-7.1.2-30%2Fcoders'>🔙 Back</a></p>