Disabled external gits

cs440-acg/ext/openexr/OpenEXR/IlmImfTest/testSampleImages.cpp

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+///////////////////////////////////////////////////////////////////////////
+//
+// Copyright (c) 2002-2012, 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.
+//
+///////////////////////////////////////////////////////////////////////////
+
+#include <ImfRgbaFile.h>
+#include <ImfArray.h>
+#include <IlmThread.h>
+#include <stdio.h>
+#include <assert.h>
+
+#ifndef ILM_IMF_TEST_IMAGEDIR
+    #define ILM_IMF_TEST_IMAGEDIR
+#endif
+
+
+using namespace OPENEXR_IMF_NAMESPACE;
+using namespace std;
+using namespace IMATH_NAMESPACE;
+
+
+namespace {
+
+void
+readImage (const char fileName[], unsigned int correctChecksum)
+{
+    cout << "file " << fileName << " " << flush;
+
+    OPENEXR_IMF_NAMESPACE::RgbaInputFile in (fileName);
+
+    cout << "version " << in.version() << " " << flush;
+
+    const Box2i &dw = in.dataWindow();
+
+    int w = dw.max.x - dw.min.x + 1;
+    int h = dw.max.y - dw.min.y + 1;
+    int dx = dw.min.x;
+    int dy = dw.min.y;
+
+    Array<OPENEXR_IMF_NAMESPACE::Rgba> pixels (w * h);
+    in.setFrameBuffer (pixels - dx - dy * w, 1, w);
+    in.readPixels (in.dataWindow().min.y, in.dataWindow().max.y);
+
+    unsigned int checksum = 0;
+
+    for (int i = 0; i < w * h; ++i)
+    {
+	checksum ^= pixels[i].r.bits();
+	checksum ^= pixels[i].g.bits();
+	checksum ^= pixels[i].b.bits();
+	checksum ^= pixels[i].a.bits();
+    }
+
+    cout << "checksum = " << checksum << endl;
+
+    assert (checksum == correctChecksum);
+}
+
+
+bool
+approximatelyEqual (float x, float y)
+{
+    float z = (x + 0.01f) / (y + 0.01f);
+    return z >= 0.99f && z <= 1.01f;
+}
+
+
+void
+compareImages (const char fileName1[], const char fileName2[])
+{
+    cout << "comparing files " << fileName1 << " and " << fileName2 << endl;
+
+    OPENEXR_IMF_NAMESPACE::RgbaInputFile in1 (fileName1);
+    OPENEXR_IMF_NAMESPACE::RgbaInputFile in2 (fileName1);
+
+    assert (in1.dataWindow() == in2.dataWindow());
+
+    const Box2i &dw = in1.dataWindow();
+
+    int w = dw.max.x - dw.min.x + 1;
+    int h = dw.max.y - dw.min.y + 1;
+    int dx = dw.min.x;
+    int dy = dw.min.y;
+
+    Array<OPENEXR_IMF_NAMESPACE::Rgba> pixels1 (w * h);
+    Array<OPENEXR_IMF_NAMESPACE::Rgba> pixels2 (w * h);
+
+    in1.setFrameBuffer (pixels1 - dx - dy * w, 1, w);
+    in2.setFrameBuffer (pixels2 - dx - dy * w, 1, w);
+
+    in1.readPixels (in1.dataWindow().min.y, in1.dataWindow().max.y);
+    in2.readPixels (in2.dataWindow().min.y, in2.dataWindow().max.y);
+
+    for (int i = 0; i < w * h; ++i)
+    {
+	assert (approximatelyEqual (pixels1[i].r, pixels2[i].r));
+	assert (approximatelyEqual (pixels1[i].g, pixels2[i].g));
+	assert (approximatelyEqual (pixels1[i].b, pixels2[i].b));
+	assert (approximatelyEqual (pixels1[i].a, pixels2[i].a));
+    }
+}
+
+} // namespace
+
+
+void
+testSampleImages (const std::string&)
+{
+    try
+    {
+	cout << "Testing sample image files" << endl;
+
+	readImage (ILM_IMF_TEST_IMAGEDIR "comp_none.exr", 24988);
+	readImage (ILM_IMF_TEST_IMAGEDIR "comp_rle.exr",  24988);
+	readImage (ILM_IMF_TEST_IMAGEDIR "comp_zips.exr", 24988);
+	readImage (ILM_IMF_TEST_IMAGEDIR "comp_zip.exr",  24988);
+	readImage (ILM_IMF_TEST_IMAGEDIR "comp_piz.exr",  24988);
+        
+        for (int i = 0; i < 5; i++)
+        {
+            if (ILMTHREAD_NAMESPACE::supportsThreads ())
+            {
+                setGlobalThreadCount (i);
+
+                readImage (ILM_IMF_TEST_IMAGEDIR "lineOrder_increasing.exr",
+			   46515);
+
+                readImage (ILM_IMF_TEST_IMAGEDIR "lineOrder_decreasing.exr",
+			   46515);
+            }
+        }
+
+	compareImages (ILM_IMF_TEST_IMAGEDIR "comp_b44.exr",
+		       ILM_IMF_TEST_IMAGEDIR "comp_b44_piz.exr");
+
+	compareImages (ILM_IMF_TEST_IMAGEDIR "comp_dwaa_v1.exr",
+		       ILM_IMF_TEST_IMAGEDIR "comp_dwaa_piz.exr");
+	compareImages (ILM_IMF_TEST_IMAGEDIR "comp_dwaa_v2.exr",
+		       ILM_IMF_TEST_IMAGEDIR "comp_dwaa_piz.exr");
+
+	compareImages (ILM_IMF_TEST_IMAGEDIR "comp_dwab_v1.exr",
+		       ILM_IMF_TEST_IMAGEDIR "comp_dwab_piz.exr");
+	compareImages (ILM_IMF_TEST_IMAGEDIR "comp_dwab_v2.exr",
+		       ILM_IMF_TEST_IMAGEDIR "comp_dwab_piz.exr");
+
+
+	cout << "ok\n" << endl;
+    }
+    catch (const std::exception &e)
+    {
+	cerr << "ERROR -- caught exception: " << e.what() << endl;
+	assert (false);
+    }
+}