mirror of https://github.com/etlegacy/EasyGen.git
141 lines
4.0 KiB
C++
141 lines
4.0 KiB
C++
//////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2003, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Industrial Light & Magic nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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#include <ImfVersion.h>
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#include <ImfTestFile.h>
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#include <ImfStdIO.h>
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#include <iostream>
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#include <exception>
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#include <stdio.h>
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#include <assert.h>
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#ifndef ILM_IMF_TEST_IMAGEDIR
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#define ILM_IMF_TEST_IMAGEDIR
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#endif
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using namespace OPENEXR_IMF_NAMESPACE;
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using namespace std;
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namespace {
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void
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testFile1 (const char fileName[], bool isImfFile)
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{
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cout << fileName << " " << flush;
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ifstream f (fileName, ios_base::binary);
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assert (!!f);
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char bytes[4];
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f.read (bytes, sizeof (bytes));
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assert (!!f && isImfFile == isImfMagic (bytes));
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cout << "is " << (isImfMagic (bytes)? "": "not ") << "an OpenEXR file\n";
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}
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void
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testFile2 (const char fileName[], bool exists, bool exrFile, bool tiledFile)
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{
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cout << fileName << " " << flush;
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bool exr, tiled;
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exr = isOpenExrFile (fileName, tiled);
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assert (exr == exrFile && tiled == tiledFile);
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exr = isOpenExrFile (fileName);
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assert (exr == exrFile);
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tiled = isTiledOpenExrFile (fileName);
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assert (tiled == tiledFile);
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if (exists)
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{
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StdIFStream is (fileName);
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exr = isOpenExrFile (is, tiled);
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assert (exr == exrFile && tiled == tiledFile);
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if (exr)
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assert (is.tellg() == 0);
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exr = isOpenExrFile (is);
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assert (exr == exrFile);
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if (exr)
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assert (is.tellg() == 0);
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tiled = isTiledOpenExrFile (is);
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assert (tiled == tiledFile);
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if (tiled)
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assert (is.tellg() == 0);
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}
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cout << (exists? "exists": "does not exist") << ", " <<
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(exrFile? "is an OpenEXR file": "is not an OpenEXR file") << ", " <<
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(tiledFile? "is tiled": "is not tiled") << endl;
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}
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} // namespace
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void
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testMagic ()
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{
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try
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{
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cout << "Testing magic number" << endl;
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testFile1 (ILM_IMF_TEST_IMAGEDIR "comp_none.exr", true);
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testFile1 (ILM_IMF_TEST_IMAGEDIR "invalid.exr", false);
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testFile2 (ILM_IMF_TEST_IMAGEDIR "tiled.exr", true, true, true);
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testFile2 (ILM_IMF_TEST_IMAGEDIR "comp_none.exr", true, true, false);
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testFile2 (ILM_IMF_TEST_IMAGEDIR "invalid.exr", true, false, false);
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testFile2 (ILM_IMF_TEST_IMAGEDIR "does_not_exist.exr", false, false, false);
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cout << "ok\n" << endl;
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}
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catch (const std::exception &e)
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{
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cerr << "ERROR -- caught exception: " << e.what() << endl;
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assert (false);
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}
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}
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