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64 lines
1.8 KiB
64 lines
1.8 KiB
2 years ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: TestCompress.cxx,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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// .NAME Test of vtkZLibDataCompressor
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// .SECTION Description
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//
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#include "vtkZLibDataCompressor.h"
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#include "vtkOutputWindow.h"
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#include "vtkObjectFactory.h"
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int TestCompress(int argc, char *argv[])
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{
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int res = 1;
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const unsigned int start_size = 100024;
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unsigned int cc;
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unsigned char buffer[start_size];
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unsigned char* cbuffer;
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unsigned char* ucbuffer;
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unsigned long nlen;
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unsigned long rlen;
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vtkZLibDataCompressor* compressor = vtkZLibDataCompressor::New();
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for ( cc = 0; cc < start_size; cc ++ )
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{
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buffer[cc] = cc % sizeof(unsigned char);
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}
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buffer[0] = 'v';
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buffer[1] = 't';
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buffer[2] = 'k';
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nlen = compressor->GetMaximumCompressionSpace(start_size);
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cbuffer = new unsigned char[ nlen ];
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rlen = compressor->Compress(buffer, start_size, cbuffer, nlen);
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if ( rlen > 0 )
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{
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ucbuffer = new unsigned char[ start_size ];
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rlen = compressor->Uncompress(cbuffer, rlen, ucbuffer, start_size);
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if ( rlen == start_size )
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{
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cout << argv[0] << " Works " << argc << endl;
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cout << ucbuffer[0] << ucbuffer[1] << ucbuffer[2] << endl;
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res = 0;
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}
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delete [] ucbuffer;
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}
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delete [] cbuffer;
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compressor->Delete();
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return res;
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}
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