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