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main.cpp

///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
// 
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// *       Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// *       Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// *       Neither the name of Industrial Light & Magic nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission. 
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////


//-----------------------------------------------------------------------------
//
//    Utility program to print an image file's header
//
//-----------------------------------------------------------------------------

#include "OpenEXRConfig.h"
#include <ImfInputFile.h>
#include <ImfBoxAttribute.h>
#include <ImfChannelListAttribute.h>
#include <ImfChromaticitiesAttribute.h>
#include <ImfCompressionAttribute.h>
#include <ImfDoubleAttribute.h>
#include <ImfEnvmapAttribute.h>
#include <ImfFloatAttribute.h>
#include <ImfIntAttribute.h>
#include <ImfKeyCodeAttribute.h>
#include <ImfLineOrderAttribute.h>
#include <ImfMatrixAttribute.h>
#include <ImfPreviewImageAttribute.h>
#include <ImfRationalAttribute.h>
#include <ImfStringAttribute.h>
#include <ImfTileDescriptionAttribute.h>
#include <ImfTimeCodeAttribute.h>
#include <ImfVecAttribute.h>
#include <ImfVersion.h>
#include <iostream>
#include <iomanip>

using namespace Imf;
using namespace std;


void
printCompression (Compression c)
{
    switch (c)
    {
      case NO_COMPRESSION:
      cout << "none";
      break;

      case RLE_COMPRESSION:
      cout << "run-length encoding";
      break;

      case ZIPS_COMPRESSION:
      cout << "zip, individual scanlines";
      break;

      case ZIP_COMPRESSION:
      cout << "zip, multi-scanline blocks";
      break;

      case PIZ_COMPRESSION:
      cout << "piz";
      break;

      case PXR24_COMPRESSION:
        cout << "pxr24";
        break;

      case B44_COMPRESSION:
        cout << "b44";
        break;

      case B44A_COMPRESSION:
        cout << "b44a";
        break;

      default:
      cout << int (c);
      break;
    }
}


void
printLineOrder (LineOrder lo)
{
    switch (lo)
   {
      case INCREASING_Y:
      cout << "increasing y";
      break;

      case DECREASING_Y:
      cout << "decreasing y";
      break;

      case RANDOM_Y:
      cout << "random y";
      break;

      default:
      cout << int (lo);
      break;
    };
}


void
printPixelType (PixelType pt)
{
    switch (pt)
    {
      case UINT:
      cout << "32-bit unsigned integer";
      break;

      case HALF:
      cout << "16-bit floating-point";
      break;

      case FLOAT:
      cout << "32-bit floating-point";
      break;

      default:
      cout << "type " << int (pt);
      break;
    }
}


void
printLevelMode (LevelMode lm)
{
    switch (lm)
    {
      case ONE_LEVEL:
      cout << "single level";
      break;

      case MIPMAP_LEVELS:
      cout << "mip-map";
      break;

      case RIPMAP_LEVELS:
      cout << "rip-map";
      break;

      default:
      cout << "level mode " << int (lm);
      break;
    }
}


void
printLevelRoundingMode (LevelRoundingMode lm)
{
    switch (lm)
    {
      case ROUND_DOWN:
      cout << "down";
      break;

      case ROUND_UP:
      cout << "up";
      break;

      default:
      cout << "mode " << int (lm);
      break;
    }
}


void
printTimeCode (TimeCode tc)
{
    cout << "    "
          "time " <<
          setfill ('0') <<
#ifndef HAVE_COMPLETE_IOMANIP
          setw (2) << tc.hours() << ":" <<
          setw (2) << tc.minutes() << ":" <<
          setw (2) << tc.seconds() << ":" <<
          setw (2) << tc.frame() << "\n" <<
#else
          setw (2) << right << tc.hours() << ":" <<
          setw (2) << right << tc.minutes() << ":" <<
          setw (2) << right << tc.seconds() << ":" <<
          setw (2) << right << tc.frame() << "\n" <<
#endif
          setfill (' ') <<
          "    "
          "drop frame " << tc.dropFrame() << ", "
          "color frame " << tc.colorFrame() << ", "
          "field/phase " << tc.fieldPhase() << "\n"
          "    "
          "bgf0 " << tc.bgf0() << ", "
          "bgf1 " << tc.bgf1() << ", "
          "bgf2 " << tc.bgf2() << "\n"
          "    "
          "user data 0x" << hex << tc.userData() << dec;
}


void
printEnvmap (Envmap e)
{
    switch (e)
    {
      case ENVMAP_LATLONG:
      cout << "latitude-longitude map";
      break;

      case ENVMAP_CUBE:
      cout << "cube-face map";
      break;

      default:
      cout << "map type " << int (e);
      break;
    }
}


void
printChannelList (const ChannelList &cl)
{
    for (ChannelList::ConstIterator i = cl.begin(); i != cl.end(); ++i)
    {
      cout << "\n    " << i.name() << ", ";

      printPixelType (i.channel().type);

      cout << ", sampling " <<
            i.channel().xSampling << " " <<
            i.channel().ySampling;

      if (i.channel().pLinear)
          cout << ", plinear";
    }
}


void
printInfo (const char fileName[])
{
    InputFile in (fileName);
    const Header &h = in.header();

    cout << "\n" << fileName <<
          (in.isComplete()? "": " (incomplete file)") <<
          ":\n\n";

    cout << "file format version: " <<
          getVersion (in.version()) << ", "
          "flags 0x" <<
          setbase (16) << getFlags (in.version()) << setbase (10) << "\n";

    for (Header::ConstIterator i = h.begin(); i != h.end(); ++i)
    {
      const Attribute *a = &i.attribute();
      cout << i.name() << " (type " << a->typeName() << ")";

      if (const Box2iAttribute *ta =
            dynamic_cast <const Box2iAttribute *> (a))
      {
          cout << ": " << ta->value().min << " - " << ta->value().max;
      }
      else if (const Box2fAttribute *ta =
            dynamic_cast <const Box2fAttribute *> (a))
      {
          cout << ": " << ta->value().min << " - " << ta->value().max;
      }
      else if (const ChannelListAttribute *ta =
            dynamic_cast <const ChannelListAttribute *> (a))
      {
          cout << ":";
          printChannelList (ta->value());
      }
      else if (const ChromaticitiesAttribute *ta =
            dynamic_cast <const ChromaticitiesAttribute *> (a))
      {
          cout << ":\n"
                "    red   " << ta->value().red << "\n"
                "    green " << ta->value().green << "\n"
                "    blue  " << ta->value().blue << "\n"
                "    white " << ta->value().white;
      }
      else if (const CompressionAttribute *ta =
            dynamic_cast <const CompressionAttribute *> (a))
      {
          cout << ": ";
          printCompression (ta->value());
      }
      else if (const DoubleAttribute *ta =
            dynamic_cast <const DoubleAttribute *> (a))
      {
          cout << ": " << ta->value();
      }
      else if (const EnvmapAttribute *ta =
            dynamic_cast <const EnvmapAttribute *> (a))
      {
          cout << ": ";
          printEnvmap (ta->value());
      }
      else if (const FloatAttribute *ta =
            dynamic_cast <const FloatAttribute *> (a))
      {
          cout << ": " << ta->value();
      }
      else if (const IntAttribute *ta =
            dynamic_cast <const IntAttribute *> (a))
      {
          cout << ": " << ta->value();
      }
      else if (const KeyCodeAttribute *ta =
            dynamic_cast <const KeyCodeAttribute *> (a))
      {
          cout << ":\n"
                "    film manufacturer code " <<
                      ta->value().filmMfcCode() << "\n"
                "    film type code " <<
                      ta->value().filmType() << "\n"
                "    prefix " <<
                      ta->value().prefix() << "\n"
                "    count " <<
                      ta->value().count() << "\n"
                "    perf offset " <<
                      ta->value().perfOffset() << "\n"
                "    perfs per frame " <<
                      ta->value().perfsPerFrame() << "\n"
                "    perfs per count " <<
                      ta->value().perfsPerCount();
      }
      else if (const LineOrderAttribute *ta =
            dynamic_cast <const LineOrderAttribute *> (a))
      {
          cout << ": ";
          printLineOrder (ta->value());
      }
      else if (const M33fAttribute *ta =
            dynamic_cast <const M33fAttribute *> (a))
      {
          cout << ":\n"
                "   (" <<
                ta->value()[0][0] << " " <<
                ta->value()[0][1] << " " <<
                ta->value()[0][2] << "\n    " <<
                ta->value()[1][0] << " " <<
                ta->value()[1][1] << " " <<
                ta->value()[1][2] << "\n    " <<
                ta->value()[2][0] << " " <<
                ta->value()[2][1] << " " <<
                ta->value()[2][2] << ")";
      }
      else if (const M44fAttribute *ta =
            dynamic_cast <const M44fAttribute *> (a))
      {
          cout << ":\n"
                "   (" <<
                ta->value()[0][0] << " " <<
                ta->value()[0][1] << " " <<
                ta->value()[0][2] << " " <<
                ta->value()[0][3] << "\n    " <<
                ta->value()[1][0] << " " <<
                ta->value()[1][1] << " " <<
                ta->value()[1][2] << " " <<
                ta->value()[1][3] << "\n    " <<
                ta->value()[2][0] << " " <<
                ta->value()[2][1] << " " <<
                ta->value()[2][2] << " " <<
                ta->value()[2][3] << "\n    " <<
                ta->value()[3][0] << " " <<
                ta->value()[3][1] << " " <<
                ta->value()[3][2] << " " <<
                ta->value()[3][3] << ")";
      }
      else if (const PreviewImageAttribute *ta =
            dynamic_cast <const PreviewImageAttribute *> (a))
      {
          cout << ": " <<
                ta->value().width()  << " by " <<
                ta->value().height() << " pixels";
      }
      else if (const StringAttribute *ta =
            dynamic_cast <const StringAttribute *> (a))
      {
          cout << ": \"" << ta->value() << "\"";
      }
      else if (const RationalAttribute *ta =
            dynamic_cast <const RationalAttribute *> (a))
      {
          cout << ": " << ta->value().n << "/" << ta->value().d <<
                " (" << double (ta->value()) << ")";
      }
      else if (const TileDescriptionAttribute *ta =
            dynamic_cast <const TileDescriptionAttribute *> (a))
      {
          cout << ":\n    ";

          printLevelMode (ta->value().mode);

          cout << "\n    tile size " <<
                ta->value().xSize << " by " <<
                ta->value().ySize << " pixels";

          if (ta->value().mode != ONE_LEVEL)
          {
            cout << "\n    level sizes rounded ";
            printLevelRoundingMode (ta->value().roundingMode);
          }
      }
      else if (const TimeCodeAttribute *ta =
            dynamic_cast <const TimeCodeAttribute *> (a))
      {
          cout << ":\n";
          printTimeCode (ta->value());
      }
      else if (const V2iAttribute *ta =
            dynamic_cast <const V2iAttribute *> (a))
      {
          cout << ": " << ta->value();
      }
      else if (const V2fAttribute *ta =
            dynamic_cast <const V2fAttribute *> (a))
      {
          cout << ": " << ta->value();
      }
      else if (const V3iAttribute *ta =
            dynamic_cast <const V3iAttribute *> (a))
      {
          cout << ": " << ta->value();
      }
      else if (const V3fAttribute *ta =
            dynamic_cast <const V3fAttribute *> (a))
      {
          cout << ": " << ta->value();
      }

      cout << '\n';
    }

    cout << endl;
}


int
main(int argc, char **argv)
{
    if (argc < 2)
    {
      std::cerr << "usage: " << argv[0] << " imagefile [imagefile ...]\n";
      return 1;
    }
    else
    {
      try
      {
          for (int i = 1; i < argc; ++i)
            printInfo (argv[i]);

          return 0;
      }
      catch (const std::exception &e)
      {
          std::cerr << e.what() << std::endl;
          return 1;
      }
    }
}

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