Impala Documentation

int Impala::Core::Array::ImageArchive::Diff ( ImageArchive * arg ) [inline]

Definition at line 63 of file ImageArchive.h.

References GetImageData(), ILOG_DEBUG, ILOG_ERROR, and NrImages().

00064     {
00065         if (NrImages() != arg->NrImages())
00066         {
00067             ILOG_ERROR("Diff: nrImages differs: " << NrImages() << " vs " <<
00068                        arg->NrImages());
00069             return 1;
00070         }
00071         int nDiff = 0;
00072         for (int i=0 ; i<NrImages() ; i++)
00073         {
00074             size_t size1 = 0;
00075             UInt8* data1 = GetImageData(i, size1);
00076             size_t size2 = 1;
00077             UInt8* data2 = arg->GetImageData(i, size2);
00078             if (size1 != size2)
00079             {
00080                 ILOG_DEBUG("image " << i << " size differs " << size1 << " vs "
00081                            << size2);
00082                 nDiff++;
00083             }
00084             else
00085             {
00086                 for (int j=0 ; j<size1 ; j++)
00087                 {
00088                     if (data1[j] != data2[j])
00089                     {
00090                         ILOG_DEBUG("image " << i << " byte " << j << " differs");
00091                         nDiff++;
00092                         break;
00093                     }
00094                 }
00095             }
00096             delete data1;
00097             delete data2;
00098         }
00099         if (nDiff > 0)
00100             ILOG_ERROR("Diff: found " << nDiff << " differences");
00101         return nDiff;
00102     }

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