661 lines
15 KiB
C++
661 lines
15 KiB
C++
///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2004-2012, 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 "compareB44.h"
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#include "compareDwa.h"
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#include <ImfRgbaFile.h>
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#include <ImfOutputFile.h>
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#include <ImfChannelList.h>
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#include <ImfFrameBuffer.h>
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#include <ImfHeader.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 <string>
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#include <stdio.h>
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#include <assert.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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rgbaMethods ()
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{
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//
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// Verify that the constructors and the assignment
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// operator for struct Rgba work.
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//
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Rgba x (2.f, 3.f, 4.f);
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assert (x.r == 2.f && x.g == 3.f && x.b == 4.f && x.a == 1.f);
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Rgba y (5.f, 6.f, 7.f, 0.f);
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assert (y.r == 5.f && y.g == 6.f && y.b == 7.f && y.a == 0.f);
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Rgba z;
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z = x;
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assert (z.r == 2.f && z.g == 3.f && z.b == 4.f && z.a == 1.f);
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z = y;
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assert (z.r == 5.f && z.g == 6.f && z.b == 7.f && z.a == 0.f);
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Rgba w (z);
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assert (w.r == 5.f && w.g == 6.f && w.b == 7.f && w.a == 0.f);
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}
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void
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fillPixels (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 = 0.5 + 0.5 * sin (0.1 * x + 0.1 * y);
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p.g = 0.5 + 0.5 * sin (0.1 * x + 0.2 * y);
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p.b = 0.5 + 0.5 * sin (0.1 * x + 0.3 * y);
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p.a = (p.r + p.b + p.g) / 3.0;
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}
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}
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}
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void
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writeReadRGBA (const char fileName[],
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int width,
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int height,
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const Array2D<Rgba> &p1,
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RgbaChannels channels,
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LineOrder lorder,
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Compression comp)
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{
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//
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// Save the selected channels of RGBA image p1; save the
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// scan lines in the specified order. Read the image back
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// from the file, and compare the data with the orignal.
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//
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cout << "channels " <<
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((channels & WRITE_R)? "R": "") <<
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((channels & WRITE_G)? "G": "") <<
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((channels & WRITE_B)? "B": "") <<
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((channels & WRITE_A)? "A": "") <<
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", line order " << lorder <<
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", compression " << comp << endl;
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Header header (width, height);
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header.lineOrder() = lorder;
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header.compression() = comp;
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cout << "writing ";
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cout.flush();
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{
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remove (fileName);
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RgbaOutputFile out (fileName, header, channels);
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out.setFrameBuffer (&p1[0][0], 1, width);
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out.writePixels (height);
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}
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cout << "reading ";
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cout.flush();
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{
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RgbaInputFile in (fileName);
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const Box2i &dw = in.dataWindow();
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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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int dx = dw.min.x;
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int dy = dw.min.y;
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Array2D<Rgba> p2 (h, w);
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in.setFrameBuffer (&p2[-dy][-dx], 1, w);
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in.readPixels (dw.min.y, dw.max.y);
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assert (in.displayWindow() == header.displayWindow());
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assert (in.dataWindow() == header.dataWindow());
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assert (in.pixelAspectRatio() == header.pixelAspectRatio());
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assert (in.screenWindowCenter() == header.screenWindowCenter());
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assert (in.screenWindowWidth() == header.screenWindowWidth());
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assert (in.lineOrder() == header.lineOrder());
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assert (in.compression() == header.compression());
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assert (in.channels() == channels);
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if (in.compression() == B44_COMPRESSION ||
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in.compression() == B44A_COMPRESSION)
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{
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compareB44 (width, height, p1, p2, channels);
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}
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else if (in.compression() == DWAA_COMPRESSION ||
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in.compression() == DWAB_COMPRESSION)
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{
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compareDwa (width, height, p1, p2, channels);
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}
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else
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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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if (channels & WRITE_R)
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assert (p2[y][x].r == p1[y][x].r);
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else
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assert (p2[y][x].r == 0);
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if (channels & WRITE_G)
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assert (p2[y][x].g == p1[y][x].g);
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else
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assert (p2[y][x].g == 0);
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if (channels & WRITE_B)
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assert (p2[y][x].b == p1[y][x].b);
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else
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assert (p2[y][x].b == 0);
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if (channels & WRITE_A)
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assert (p2[y][x].a == p1[y][x].a);
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else
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assert (p2[y][x].a == 1);
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}
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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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void
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writeReadIncomplete (const std::string &tempDir)
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{
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cout << "\nfile with missing and broken scan lines" << endl;
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std::string fileName = tempDir + "imf_test_incomplete.exr";
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//
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// Write a file where some scan lines are missing or broken.
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// Then try read the file and verify that all existing good
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// scan lines can actually be read.
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//
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const int width = 400;
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const int height = 300;
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Array2D<Rgba> p1 (height, width);
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for (int y = 0; y < height; ++y)
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for (int x = 0; x < width; ++x)
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p1[y][x] = Rgba (x % 5, x % 17, y % 23, y % 29);
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{
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cout << "writing" << endl;
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remove (fileName.c_str());
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Header header (width, height);
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header.compression() = ZIPS_COMPRESSION;
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RgbaOutputFile out (fileName.c_str(), header, WRITE_RGBA);
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out.setFrameBuffer (&p1[0][0], 1, width);
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out.writePixels (height / 2); // write only half of the
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// scan lines in the image
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out.breakScanLine (10, 10, 10, 0xff); // destroy scan lines
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out.breakScanLine (25, 10, 10, 0xff); // 10 and 25
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}
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{
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Array2D<Rgba> p2 (height, width);
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for (int y = 0; y < height; ++y)
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for (int x = 0; x < width; ++x)
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p2[y][x] = Rgba (-1, -1, -1, -1);
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cout << "reading one scan line at a time," << flush;
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RgbaInputFile in (fileName.c_str());
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const Box2i &dw = in.dataWindow();
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assert (dw.max.x - dw.min.x + 1 == width);
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assert (dw.max.y - dw.min.y + 1 == height);
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assert (dw.min.x == 0);
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assert (dw.min.y == 0);
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in.setFrameBuffer (&p2[0][0], 1, width);
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for (int y = 0; y < height; ++y)
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{
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bool scanLinePresent = true;
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bool scanLineBroken = false;
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try
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{
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in.readPixels (y);
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}
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catch (const IEX_NAMESPACE::InputExc &)
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{
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scanLinePresent = false; // scan line is missing
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}
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catch (const IEX_NAMESPACE::IoExc &)
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{
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scanLineBroken = true; // scan line cannot be decoded
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}
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if (y == 10 || y == 25)
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assert (scanLineBroken);
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else
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assert (scanLinePresent == (y < height / 2));
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}
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cout << " comparing" << endl << flush;
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for (int y = 0; y < height; ++y)
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{
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for (int x = 0; x < width; ++x)
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{
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const Rgba &s = p1[y][x];
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const Rgba &t = p2[y][x];
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if (y < height / 2 && y != 10 && y != 25)
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{
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assert (t.r == s.r &&
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t.g == s.g &&
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t.b == s.b &&
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t.a == s.a);
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}
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else
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{
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assert (t.r == -1 &&
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t.g == -1 &&
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t.b == -1 &&
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t.a == -1);
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}
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}
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}
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}
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{
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Array2D<Rgba> p2 (height, width);
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for (int y = 0; y < height; ++y)
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for (int x = 0; x < width; ++x)
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p2[y][x] = Rgba (-1, -1, -1, -1);
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cout << "reading multiple scan lines at a time," << flush;
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RgbaInputFile in (fileName.c_str());
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const Box2i &dw = in.dataWindow();
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assert (dw.max.x - dw.min.x + 1 == width);
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assert (dw.max.y - dw.min.y + 1 == height);
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assert (dw.min.x == 0);
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assert (dw.min.y == 0);
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in.setFrameBuffer (&p2[0][0], 1, width);
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bool scanLinesMissing = false;
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bool scanLinesBroken = false;
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try
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{
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in.readPixels (0, height - 1);
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}
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catch (const IEX_NAMESPACE::InputExc &)
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{
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scanLinesMissing = true;
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}
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catch (const IEX_NAMESPACE::IoExc &)
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{
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scanLinesBroken = true;
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}
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assert (scanLinesMissing || scanLinesBroken);
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cout << " comparing" << endl << flush;
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for (int y = 0; y < height; ++y)
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{
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for (int x = 0; x < width; ++x)
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{
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const Rgba &s = p1[y][x];
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const Rgba &t = p2[y][x];
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assert ((t.r == -1 && t.g == -1 && t.b == -1 && t.a == -1) ||
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(t.r == s.r && t.g == s.g && t.b == s.b && t.a == s.a));
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}
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}
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}
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remove (fileName.c_str());
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}
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void
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writeReadLayers (const std::string &tempDir)
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{
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cout << "\nreading multi-layer file" << endl;
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std::string fileName = tempDir + "imf_test_multi_layer_rgba.exr";
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const int W = 237;
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const int H = 119;
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Array2D<half> p1 (H, W);
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Array2D<half> p2 (H, W);
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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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p1[y][x] = half (y % 23 + x % 17);
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p2[y][x] = half (y % 29 + x % 19);
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}
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}
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{
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Header hdr (W, H);
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hdr.channels().insert ("R", Channel (HALF));
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hdr.channels().insert ("foo.R", Channel (HALF));
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FrameBuffer fb;
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fb.insert ("R",
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Slice (HALF, // type
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(char *) &p1[0][0], // base
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sizeof (half), // xStride
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sizeof (half) * W)); // yStride
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fb.insert ("foo.R",
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Slice (HALF, // type
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(char *) &p2[0][0], // base
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sizeof (half), // xStride
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sizeof (half) * W)); // yStride
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OutputFile out (fileName.c_str(), hdr);
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out.setFrameBuffer (fb);
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out.writePixels (H);
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}
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{
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RgbaInputFile in (fileName.c_str(), "");
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Array2D<Rgba> p3 (H, W);
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in.setFrameBuffer (&p3[0][0], 1, W);
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in.readPixels (0, H - 1);
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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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assert (p3[y][x].r == p1[y][x]);
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assert (p3[y][x].g == 0);
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assert (p3[y][x].b == 0);
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assert (p3[y][x].a == 1);
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}
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}
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}
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{
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RgbaInputFile in (fileName.c_str(), "foo");
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Array2D<Rgba> p3 (H, W);
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in.setFrameBuffer (&p3[0][0], 1, W);
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in.readPixels (0, H - 1);
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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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assert (p3[y][x].r == p2[y][x]);
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assert (p3[y][x].g == 0);
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assert (p3[y][x].b == 0);
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assert (p3[y][x].a == 1);
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}
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}
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}
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{
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RgbaInputFile in (fileName.c_str(), "");
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Array2D<Rgba> p3 (H, W);
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in.setFrameBuffer (&p3[0][0], 1, W);
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in.readPixels (0, H / 2 - 1);
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in.setLayerName ("foo");
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in.setFrameBuffer (&p3[0][0], 1, W);
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in.readPixels (H / 2, H - 1);
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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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if (y < H / 2)
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assert (p3[y][x].r == p1[y][x]);
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else
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assert (p3[y][x].r == p2[y][x]);
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assert (p3[y][x].g == 0);
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assert (p3[y][x].b == 0);
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assert (p3[y][x].a == 1);
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}
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}
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}
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{
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Header hdr (W, H);
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hdr.channels().insert ("Y", Channel (HALF));
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hdr.channels().insert ("foo.Y", Channel (HALF));
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FrameBuffer fb;
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fb.insert ("Y",
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Slice (HALF, // type
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(char *) &p1[0][0], // base
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sizeof (half), // xStride
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sizeof (half) * W)); // yStride
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fb.insert ("foo.Y",
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Slice (HALF, // type
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(char *) &p2[0][0], // base
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sizeof (half), // xStride
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sizeof (half) * W)); // yStride
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OutputFile out (fileName.c_str(), hdr);
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out.setFrameBuffer (fb);
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out.writePixels (H);
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}
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{
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RgbaInputFile in (fileName.c_str(), "");
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Array2D<Rgba> p3 (H, W);
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in.setFrameBuffer (&p3[0][0], 1, W);
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in.readPixels (0, H - 1);
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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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assert (p3[y][x].r == p1[y][x]);
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assert (p3[y][x].g == p1[y][x]);
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assert (p3[y][x].b == p1[y][x]);
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assert (p3[y][x].a == 1);
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}
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}
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}
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{
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RgbaInputFile in (fileName.c_str(), "foo");
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Array2D<Rgba> p3 (H, W);
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in.setFrameBuffer (&p3[0][0], 1, W);
|
|
in.readPixels (0, H - 1);
|
|
|
|
for (int y = 0; y < H; ++y)
|
|
{
|
|
for (int x = 0; x < W; ++x)
|
|
{
|
|
assert (p3[y][x].r == p2[y][x]);
|
|
assert (p3[y][x].g == p2[y][x]);
|
|
assert (p3[y][x].b == p2[y][x]);
|
|
assert (p3[y][x].a == 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
{
|
|
RgbaInputFile in (fileName.c_str(), "");
|
|
|
|
Array2D<Rgba> p3 (H, W);
|
|
|
|
in.setFrameBuffer (&p3[0][0], 1, W);
|
|
in.readPixels (0, H / 2 - 1);
|
|
|
|
in.setLayerName ("foo");
|
|
|
|
in.setFrameBuffer (&p3[0][0], 1, W);
|
|
in.readPixels (H / 2, H - 1);
|
|
|
|
for (int y = 0; y < H; ++y)
|
|
{
|
|
for (int x = 0; x < W; ++x)
|
|
{
|
|
if (y < H / 2)
|
|
{
|
|
assert (p3[y][x].r == p1[y][x]);
|
|
assert (p3[y][x].g == p1[y][x]);
|
|
assert (p3[y][x].b == p1[y][x]);
|
|
}
|
|
else
|
|
{
|
|
assert (p3[y][x].r == p2[y][x]);
|
|
assert (p3[y][x].g == p2[y][x]);
|
|
assert (p3[y][x].b == p2[y][x]);
|
|
}
|
|
|
|
assert (p3[y][x].a == 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
remove (fileName.c_str());
|
|
}
|
|
|
|
|
|
} // namespace
|
|
|
|
|
|
void
|
|
testRgba (const std::string &tempDir)
|
|
{
|
|
try
|
|
{
|
|
cout << "Testing the RGBA image interface" << endl;
|
|
|
|
rgbaMethods ();
|
|
|
|
const int W = 237;
|
|
const int H = 119;
|
|
|
|
Array2D<Rgba> p1 (H, W);
|
|
fillPixels (p1, W, H);
|
|
|
|
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;
|
|
}
|
|
|
|
for (int lorder = 0; lorder < RANDOM_Y; ++lorder)
|
|
{
|
|
for (int comp = 0; comp < NUM_COMPRESSION_METHODS; ++comp)
|
|
{
|
|
writeReadRGBA ((tempDir + "imf_test_rgba.exr").c_str(),
|
|
W, H, p1,
|
|
WRITE_RGBA,
|
|
LineOrder (lorder),
|
|
Compression (comp));
|
|
|
|
writeReadRGBA ((tempDir + "imf_test_rgba.exr").c_str(),
|
|
W, H, p1,
|
|
WRITE_RGB,
|
|
LineOrder (lorder),
|
|
Compression (comp));
|
|
|
|
writeReadRGBA ((tempDir + "imf_test_rgba.exr").c_str(),
|
|
W, H, p1,
|
|
WRITE_A,
|
|
LineOrder (lorder),
|
|
Compression (comp));
|
|
|
|
writeReadRGBA ((tempDir + "imf_test_rgba.exr").c_str(),
|
|
W, H, p1,
|
|
RgbaChannels (WRITE_R | WRITE_B),
|
|
LineOrder (lorder),
|
|
Compression (comp));
|
|
}
|
|
}
|
|
|
|
writeReadIncomplete (tempDir);
|
|
}
|
|
|
|
writeReadLayers (tempDir);
|
|
|
|
cout << "ok\n" << endl;
|
|
}
|
|
catch (const std::exception &e)
|
|
{
|
|
cerr << "ERROR -- caught exception: " << e.what() << endl;
|
|
assert (false);
|
|
}
|
|
}
|