invert.cxx
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Invert an image file (create a negative) using the function transformImage()
Usage: example_invert infile outfile
#include <iostream>
#include <vigra/multi_array.hxx>
#include <vigra/stdimagefunctions.hxx>
#include <vigra/multi_math.hxx>
#include <string.h>
using namespace vigra;
int main(int argc, char ** argv)
{
if(argc != 3)
{
std::cout << "Usage: " << argv[0] << " infile outfile" << std::endl;
return 1;
}
try
{
{
using namespace multi_math;
out = 255 - in;
if(strcmp(argv[2], "-") == 0)
{
}
else
{
}
}
else
{
using namespace multi_math;
if(strcmp(argv[2], "-") == 0)
{
}
else
{
}
}
}
catch (std::exception & e)
{
std::cout << e.what() << std::endl;
return 1;
}
return 0;
}