Disabled external gits
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///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2007, 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 <ImfMultiPartOutputFile.h>
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#include <ImfMultiPartInputFile.h>
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#include <ImfPartType.h>
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#include <ImfOutputPart.h>
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#include <ImfInputPart.h>
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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 <Iex.h>
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#include <iostream>
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#include <cassert>
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#include <stdio.h>
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#include <vector>
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#include "tmpDir.h"
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#include "fuzzFile.h"
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// Handle the case when the custom namespace is not exposed
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#include <OpenEXRConfig.h>
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#include <ImfChannelList.h>
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using namespace OPENEXR_IMF_INTERNAL_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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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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writeImage (const char fileName[],
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int width,
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int height,
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const Array2D<Rgba> &pixels,
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int parts,
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Compression comp)
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{
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//
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// Save the image with the specified compression.
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//
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cout << parts << " parts with compression: " << comp << endl;
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Header header (width, height);
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header.compression() = comp;
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if(parts==1)
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{
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RgbaOutputFile out (fileName, header, WRITE_RGBA);
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out.setFrameBuffer (&pixels[0][0], 1, width);
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out.writePixels (height);
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}else{
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header.setType(SCANLINEIMAGE);
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header.channels().insert("R",Channel(HALF));
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header.channels().insert("G",Channel(HALF));
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header.channels().insert("B",Channel(HALF));
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header.channels().insert("A",Channel(HALF));
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vector<Header> headers(parts);
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for(int i=0;i<parts;i++)
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{
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headers[i]=header;
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ostringstream s;
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s << i;
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headers[i].setName(s.str());
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}
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MultiPartOutputFile out(fileName,&headers[0],parts);
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FrameBuffer f;
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f.insert("R",Slice(HALF,(char *) &(pixels[0][0].r),sizeof(Rgba),width*sizeof(Rgba)));
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f.insert("G",Slice(HALF,(char *) &(pixels[0][0].g),sizeof(Rgba),width*sizeof(Rgba)));
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f.insert("B",Slice(HALF,(char *) &(pixels[0][0].b),sizeof(Rgba),width*sizeof(Rgba)));
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f.insert("A",Slice(HALF,(char *) &(pixels[0][0].a),sizeof(Rgba),width*sizeof(Rgba)));
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for(int i=0;i<parts;i++)
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{
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OutputPart(out,i).setFrameBuffer(f);
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OutputPart(out,i).writePixels(height);
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}
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}
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}
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void
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readImage (const char fileName[])
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{
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//
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// Try to read the specified file.
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// Reading should either succeed or throw an exception,
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// but it should not crash for any reason.
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//
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try
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{
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// first , test Rgba interface
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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 dx = dw.min.x;
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if (w > (1 << 24))
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return;
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Array<Rgba> pixels (w);
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in.setFrameBuffer (&pixels[-dx], 1, 0);
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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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}catch(...)
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{
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// expect exceptions
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}
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try{
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// now test Multipart interface (even for single part files)
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MultiPartInputFile file(fileName);
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for(int p=0;p<file.parts();p++)
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{
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InputPart in(file,p);
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const Box2i &dw = in.header().dataWindow();
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int w = dw.max.x - dw.min.x + 1;
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int dx = dw.min.x;
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if (w > (1 << 24))
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return;
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Array<Rgba> pixels (w);
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FrameBuffer i;
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i.insert("R",Slice(HALF,(char *)&(pixels[-dx].r),sizeof(Rgba),0));
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i.insert("G",Slice(HALF,(char *)&(pixels[-dx].g),sizeof(Rgba),0));
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i.insert("B",Slice(HALF,(char *)&(pixels[-dx].b),sizeof(Rgba),0));
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i.insert("A",Slice(HALF,(char *)&(pixels[-dx].a),sizeof(Rgba),0));
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in.setFrameBuffer (i);
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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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}
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}
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catch (...)
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{
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// empty
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}
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}
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void
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fuzzScanLines (int numThreads, Rand48 &random)
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{
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if (ILMTHREAD_NAMESPACE::supportsThreads())
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{
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setGlobalThreadCount (numThreads);
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cout << "\nnumber of threads: " << globalThreadCount() << endl;
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}
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Header::setMaxImageSize (10000, 10000);
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const int W = 217;
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const int H = 197;
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Array2D<Rgba> pixels (H, W);
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fillPixels (pixels, W, H);
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const char *goodFile = IMF_TMP_DIR "imf_test_scanline_file_fuzz_good.exr";
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const char *brokenFile = IMF_TMP_DIR "imf_test_scanline_file_fuzz_broken.exr";
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// re-attempt to read broken file if it still remains on disk from previous aborted run
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readImage(brokenFile);
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for (int parts = 1 ; parts<4 ; ++parts)
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{
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for (int comp = 0; comp < NUM_COMPRESSION_METHODS; ++comp)
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{
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writeImage (goodFile, W, H, pixels, parts,Compression (comp));
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fuzzFile (goodFile, brokenFile, readImage, 5000, 3000, random);
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}
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}
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remove (goodFile);
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remove (brokenFile);
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}
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} // namespace
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void
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testFuzzScanLines ()
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{
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try
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{
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cout << "Testing scanline-based files "
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"with randomly inserted errors" << endl;
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Rand48 random (1);
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fuzzScanLines (0, random);
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if (ILMTHREAD_NAMESPACE::supportsThreads())
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fuzzScanLines (2, random);
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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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