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testIsComplete.cpp

///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2005, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
// 
// All rights reserved.
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// *       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
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// distribution.
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// 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
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#include <tmpDir.h>

#include <ImfRgbaFile.h>
#include <ImfTiledRgbaFile.h>
#include <ImfArray.h>
#include <stdio.h>
#include <assert.h>

using namespace Imf;
using namespace Imath;
using namespace std;

namespace {

void
writeFiles (const char completeScanLinesName[],
          const char incompleteScanLinesName[],
          const char completeTilesName[],
          const char incompleteTilesName[],
          int width,
          int height,
          int tileXSize,
          int tileYSize)
{
    Array2D <Rgba> pixels (height, width);

    for (int y = 0; y < height; ++y)
      for (int x = 0; x < width; ++x)
          pixels[y][x] = Rgba (x, y, 0.0, 1.0);

    {
      RgbaOutputFile out (completeScanLinesName, width, height);
      out.setFrameBuffer (&pixels[0][0], 1, width);
      out.writePixels (height);
    }

    {
      RgbaOutputFile out (incompleteScanLinesName, width, height);
      out.setFrameBuffer (&pixels[0][0], 1, width);
      out.writePixels (height - 1);
    }

    {
      TiledRgbaOutputFile out (completeTilesName,
                         width, height,
                         tileXSize, tileYSize,
                         ONE_LEVEL);

      out.setFrameBuffer (&pixels[0][0], 1, width);

      for (int  x = 0; x < out.numXTiles(); ++x)
          for (int  y = 0; y < out.numYTiles(); ++y)
            out.writeTile (x, y);
    }

    {
      TiledRgbaOutputFile out (incompleteTilesName,
                         width, height,
                         tileXSize, tileYSize,
                         ONE_LEVEL);

      out.setFrameBuffer (&pixels[0][0], 1, width);

      for (int  x = 0; x < out.numXTiles(); ++x)
          for (int  y = 0; y < out.numYTiles() - 1; ++y)
            out.writeTile (x, y);
    }
}


void
checkFiles (const char completeScanLinesName[],
          const char incompleteScanLinesName[],
          const char completeTilesName[],
          const char incompleteTilesName[])
{
    {
      RgbaInputFile in (completeScanLinesName);
      assert (in.isComplete());
    }

    {
      RgbaInputFile in (incompleteScanLinesName);
      assert (!in.isComplete());
    }

    {
      RgbaInputFile in (completeTilesName);
      assert (in.isComplete());
    }

    {
      RgbaInputFile in (incompleteTilesName);
      assert (!in.isComplete());
    }

    {
      TiledRgbaInputFile in (completeTilesName);
      assert (in.isComplete());
    }

    {
      TiledRgbaInputFile in (incompleteTilesName);
      assert (!in.isComplete());
    }
}

} // namespace


void
testIsComplete ()
{
    try
    {
      cout << "Testing isComplete() function" << endl;

      static const char *csl = IMF_TMP_DIR "imf_test_complete_sl.exr";
      static const char *icsl = IMF_TMP_DIR "imf_test_incomplete_sl.exr";
      static const char *ct = IMF_TMP_DIR "imf_test_complete_t.exr";
      static const char *ict = IMF_TMP_DIR "imf_test_incomplete_t.exr";

      writeFiles (csl, icsl, ct, ict, 327, 289, 17, 17);
      checkFiles (csl, icsl, ct, ict);

      remove (csl);
      remove (icsl);
      remove (ct);
      remove (ict);

      cout << "ok\n" << endl;
    }
    catch (const std::exception &e)
    {
      cerr << "ERROR -- caught exception: " << e.what() << endl;
      assert (false);
    }
}

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