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/*
Compare Args
Copyright (C) 2006-2011 Yangli Hector Yee
Copyright (C) 2011-2016 Steven Myint, Jeff Terrace
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef PERCEPTUALDIFF_COMPARE_ARGS_H
#define PERCEPTUALDIFF_COMPARE_ARGS_H
#include "exceptions.h"
#include "metric.h"
#include <memory>
#include <stdexcept>
#include <string>
namespace pdiff
{
// Arguments to pass into the comparison function.
class CompareArgs
{
public:
CompareArgs(int argc, char **argv);
void print_args() const;
std::shared_ptr<RGBAImage> image_a_;
std::shared_ptr<RGBAImage> image_b_;
std::shared_ptr<RGBAImage> image_difference_;
bool verbose_;
// Print a sum of the luminance and color differences of each pixel.
bool sum_errors_;
// How much to down sample image before comparing, in powers of 2.
unsigned int down_sample_;
PerceptualDiffParameters parameters_;
private:
void parse_args(int argc, char **argv);
};
class ParseException : public virtual PerceptualDiffException
{
public:
explicit ParseException(const std::string &message)
: std::invalid_argument(message),
PerceptualDiffException(message)
{
}
};
}
#endif
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