mirror of https://github.com/etlegacy/EasyGen.git
280 lines
6.6 KiB
C++
280 lines
6.6 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2004, Industrial Light & Magic, a division of Lucasfilm
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// Entertainment Company Ltd. Portions contributed and copyright held by
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// others as indicated. 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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//
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// * Redistributions of source code must retain the above
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// copyright notice, this list of conditions and the following
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// disclaimer.
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//
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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
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// disclaimer in the documentation and/or other materials provided with
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// the distribution.
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//
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// * Neither the name of Industrial Light & Magic nor the names of
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// any other contributors to this software may be used to endorse or
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// promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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//////////////////////////////////////////////////////////////////////////////
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#include <ImfRgbaFile.h>
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#include <ImfArray.h>
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#include <ImfThreading.h>
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#include "IlmThread.h"
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#include "ImathMath.h"
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#include <stdio.h>
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#include <assert.h>
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#include <algorithm>
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#include "tmpDir.h"
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using namespace OPENEXR_IMF_NAMESPACE;
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using namespace std;
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using namespace IMATH_NAMESPACE;
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namespace {
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void
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fillPixelsColor (Array2D <Rgba> &pixels, int w, int h)
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{
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for (int y = 0; y < h; ++y)
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{
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for (int x = 0; x < w; ++x)
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{
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Rgba &p = pixels[y][x];
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p.r = 0.8 + 0.5 * sin (x * 0.05);
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p.g = 0.8 + 0.5 * sin (x * 0.02 + y * 0.02);
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p.b = 0.8 + 0.5 * sin (y * 0.03);
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float t = 0.8 + 0.5 * sin (x * 0.05 - y * 0.05);
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p.r *= t;
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p.g *= t;
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p.b *= t;
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p.a = t;
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}
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}
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}
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void
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fillPixelsGray (Array2D <Rgba> &pixels, int w, int h)
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{
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for (int y = 0; y < h; ++y)
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{
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for (int x = 0; x < w; ++x)
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{
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Rgba &p = pixels[y][x];
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p.r = 0.8 + 0.5 * sin (x * 0.05 - y * 0.05);
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p.g = p.r;
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p.b = p.r;
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p.a = 0.5 + 0.5 * cos (x * 0.05 - y * 0.05);
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}
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}
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}
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void
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writeReadYca (const char fileName[],
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const Box2i &dw,
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RgbaChannels channels,
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LineOrder writeOrder,
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LineOrder readOrder,
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void (* fillPixels) (Array2D <Rgba> &pixels, int w, int h))
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{
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int w = dw.max.x - dw.min.x + 1;
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int h = dw.max.y - dw.min.y + 1;
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Array2D <Rgba> pixels1 (h, w);
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Array2D <Rgba> pixels2 (h, w);
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cout << w << " by " << h << " pixels, "
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"channels " << channels << ", "
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"write order " << writeOrder << ", "
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"read order " << readOrder <<
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endl;
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fillPixels (pixels1, w, h);
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cout << "writing " << flush;
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{
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RgbaOutputFile out (fileName,
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dw, dw, // display window, data window
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channels,
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1, // pixelAspectRatio
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V2f (0, 0), // screenWindowCenter
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1, // screenWindowWidth
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writeOrder);
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out.setYCRounding (9, 9);
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out.setFrameBuffer (&pixels1[-dw.min.y][-dw.min.x], 1, w);
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out.writePixels (h);
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}
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cout << "reading " << flush;
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{
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RgbaInputFile in (fileName);
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in.setFrameBuffer (&pixels2[-dw.min.y][-dw.min.x], 1, w);
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switch (readOrder)
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{
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case INCREASING_Y:
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for (int y = dw.min.y; y <= dw.max.y; ++y)
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in.readPixels (y);
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break;
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case DECREASING_Y:
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for (int y = dw.max.y; y >= dw.min.y; --y)
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in.readPixels (y);
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break;
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case RANDOM_Y:
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assert (h % 5 != 0);
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for (int i = 0; i < h; ++i)
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{
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int y = dw.min.y + (i * 5) % h;
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in.readPixels (y);
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}
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break;
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}
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}
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cout << "comparing" << endl;
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for (int y = 0; y < h; ++y)
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{
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for (int x = 0; x < w; ++x)
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{
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const Rgba &p1 = pixels1[y][x];
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const Rgba &p2 = pixels2[y][x];
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if (channels & WRITE_C)
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{
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float p1Max = max (p1.r, max (p1.g, p1.b));
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float p2Max = max (p2.r, max (p2.g, p2.b));
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assert (equalWithAbsError (p1Max, p2Max, 0.03f));
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}
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else
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{
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assert (p1.g == p2.g);
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}
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if (channels & WRITE_A)
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{
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assert (p1.a == p2.a);
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}
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}
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}
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remove (fileName);
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}
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} // namespace
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void
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testYca ()
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{
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try
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{
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cout << "Testing luminance/chroma input and output" << endl;
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const char *fileName = IMF_TMP_DIR "imf_test_yca.exr";
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Box2i dataWindow[6];
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dataWindow[0] = Box2i (V2i (0, 0), V2i (1, 17));
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dataWindow[1] = Box2i (V2i (0, 0), V2i (5, 17));
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dataWindow[2] = Box2i (V2i (0, 0), V2i (17, 1));
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dataWindow[3] = Box2i (V2i (0, 0), V2i (17, 5));
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dataWindow[4] = Box2i (V2i (0, 0), V2i (1, 1));
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dataWindow[5] = Box2i (V2i (-18, -28), V2i (247, 255));
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int maxThreads = ILMTHREAD_NAMESPACE::supportsThreads()? 3: 0;
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for (int n = 0; n <= maxThreads; ++n)
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{
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if (ILMTHREAD_NAMESPACE::supportsThreads())
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{
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setGlobalThreadCount (n);
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cout << "\nnumber of threads: " << globalThreadCount() << endl;
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}
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for (int i = 0; i < 6; ++i)
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{
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for (int writeOrder = INCREASING_Y;
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writeOrder <= DECREASING_Y;
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++writeOrder)
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{
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for (int readOrder = INCREASING_Y;
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readOrder <= RANDOM_Y;
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++readOrder)
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{
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writeReadYca (fileName, dataWindow[i],
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WRITE_YCA,
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LineOrder (writeOrder),
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LineOrder (readOrder),
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fillPixelsColor);
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writeReadYca (fileName, dataWindow[i],
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WRITE_YC,
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LineOrder (writeOrder),
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LineOrder (readOrder),
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fillPixelsColor);
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writeReadYca (fileName, dataWindow[i],
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WRITE_YA,
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LineOrder (writeOrder),
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LineOrder (readOrder),
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fillPixelsGray);
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writeReadYca (fileName, dataWindow[i],
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WRITE_Y,
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LineOrder (writeOrder),
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LineOrder (readOrder),
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fillPixelsGray);
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}
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}
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}
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}
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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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