Disabled external gits

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

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+//////////////////////////////////////////////////////////////////////////////
+//
+// Copyright (c) 2004-2012, Industrial Light & Magic, a division of Lucasfilm
+// Entertainment Company Ltd.  Portions contributed and copyright held by
+// others as indicated.  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
+//       any other contributors to this software 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 <ImfTiledRgbaFile.h>
+#include <ImfArray.h>
+#include <ImfThreading.h>
+#include "IlmThread.h"
+#include <stdio.h>
+#include <assert.h>
+#include <math.h>
+
+
+using namespace OPENEXR_IMF_NAMESPACE;
+using namespace std;
+using namespace IMATH_NAMESPACE;
+
+
+namespace {
+
+void
+waves (Array2D<Rgba> &pixels, int w, int h)
+{
+    for (int y = 0; y < h; ++y)
+    {
+	for (int x = 0; x < w; ++x)
+	{
+	    Rgba &p = pixels[y][x];
+
+	    p.r = (0.5 + 0.5 * sin (0.1 * x + 0.1 * y)) +
+		  (0.5 + 0.5 * sin (-0.1 * x + 0.2 * y));
+
+	    p.g = p.r;
+	    p.b = p.r;
+
+	    p.a = (0.5 + 0.5 * sin (1.1 * x + 0.5 * y));
+	}
+    }
+}
+
+
+void
+wheel (Array2D<Rgba> &pixels, int w, int h)
+{
+    float n = 40;
+    float m = 0.5;
+    float radMin = 2 * n / M_PI;
+    float xCen = w * 0.5;
+    float yCen = h * 0.5;
+    float radMax = (xCen < yCen)? xCen: yCen;
+
+    for (int y = 0; y < h; ++y)
+    {
+	for (int x = 0; x < w; ++x)
+	{
+	    Rgba &p = pixels[y][x];
+	    float rad = sqrt ((x-xCen) * (x-xCen) + (y-yCen) * (y-yCen));
+
+	    if (rad <= radMax && rad >= radMin)
+	    {
+		float phi = atan2 (y - yCen, x - xCen);
+		float c = 0.5 + 0.5 * sin (phi * n + rad * m);
+
+		p.r = 0.5 + 0.5 * c;
+		p.g = p.r;
+		p.b = p.r;
+		p.a = 0.5 - 0.5 * c;
+	    }
+	    else
+	    {
+		p.r = 0.5;
+		p.g = p.r;
+		p.b = p.r;
+		p.a = p.r;
+	    }
+	}
+    }
+}
+
+
+void
+writeReadYa (Box2i &dw,
+	     int tileSizeX,
+	     int tileSizeY,
+	     const char fileName[],
+	     void (* fillPixels) (Array2D<Rgba> &pixels, int w, int h))
+{
+    int w = dw.max.x - dw.min.x + 1;
+    int h = dw.max.y - dw.min.y + 1;
+    Array2D <Rgba> pixels1 (h, w);
+    Array2D <Rgba> pixels2 (h, w);
+
+    fillPixels (pixels1, w, h);
+
+    cout << "writing " << flush;
+
+    {
+	TiledRgbaOutputFile out (fileName,
+				 tileSizeX, tileSizeY,
+				 ONE_LEVEL, ROUND_DOWN,
+				 dw, dw,
+				 WRITE_YA);
+
+	out.setFrameBuffer (&pixels1[-dw.min.y][-dw.min.x], 1, w);
+        out.writeTiles (0, out.numXTiles() - 1,  0, out.numYTiles() - 1);
+    }
+
+    cout << "reading " << flush;
+
+    {
+	TiledRgbaInputFile in (fileName);
+
+	in.setFrameBuffer (&pixels2[-dw.min.y][-dw.min.x], 1, w);
+        in.readTiles (0, in.numXTiles() - 1, 0, in.numYTiles() - 1);
+    }
+
+    cout << "comparing" << endl;
+
+    for (int y = 0; y < h; ++y)
+    {
+	for (int x = 0; x < w; ++x)
+	{
+	    const Rgba &p1 = pixels1[y][x];
+	    const Rgba &p2 = pixels2[y][x];
+
+	    assert (p1.r == p2.r);
+	    assert (p1.g == p2.g);
+	    assert (p1.b == p2.b);
+	    assert (p1.a == p2.a);
+	}
+    }
+
+    remove (fileName);
+}
+
+} // namespace
+
+
+void
+testTiledYa (const std::string &tempDir)
+{
+    try
+    {
+        cout << "Testing tiled luminance input and output" << endl;
+
+	std::string fileName = tempDir + "imf_test_tiled_ya.exr";
+
+	int maxThreads = ILMTHREAD_NAMESPACE::supportsThreads()? 3: 0;
+
+	for (int n = 0; n <= maxThreads; ++n)
+	{
+	    if (ILMTHREAD_NAMESPACE::supportsThreads())
+	    {
+		setGlobalThreadCount (n);
+		cout << "\nnumber of threads: " << globalThreadCount() << endl;
+	    }
+
+	    Box2i dataWindow (V2i (-17, -29), V2i (348, 556));
+	    writeReadYa (dataWindow, 19, 27, fileName.c_str(), waves);
+	    writeReadYa (dataWindow, 19, 27, fileName.c_str(), wheel);
+	}
+
+        cout << "ok\n" << endl;
+    }
+    catch (const std::exception &e)
+    {
+        cerr << "ERROR -- caught exception: " << e.what() << endl;
+        assert (false);
+    }
+}