warp_to_png.cc File Reference

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Detailed Description

Main file for the warp_to_png executable.

Usage

warp_to_png [--size "x y"] < infile.warp > outfile.png

Description

Converts a text warp file in to a PNG warp file. The size is used to specify the image shape to convert to and defaults to 768 by 576.

Definition in file warp_to_png.cc.

#include <iostream>
#include <iterator>
#include <vector>
#include <cstdlib>
#include <cvd/image_io.h>
#include <gvars3/instances.h>
#include "warp_to_png.h"

Go to the source code of this file.

Functions
int	main (int argc, char **argv)

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Function Documentation

int main	(	int	argc,
		char **	argv
	)

Driving function.

Parameters:

	argc	Number of command line arguments
	argv	Commandline argument list

Definition at line 57 of file warp_to_png.cc.

{
    try
    {
        GUI.parseArguments(argc, argv);

        ImageRef size = GV3::get<ImageRef>("size", ImageRef(768,576), 1);

        
        Image<Rgb<unsigned short> > si(size);

        for(int y=0; y < size.y; y++)
            for(int x=0; x < size.x; x++)
            {
                float f1, f2;
                cin >> f1 >> f2;

                if(!cin.good())
                {
                    cerr << "EOF!\n";
                    exit(1);
                }

                if(f1 < -5 || f1 > 1000)
                {
                    cerr << "Bad value at " << x << ", " << y << ": " << f1;
                    exit(2);
                }

                if(f2 < -5 || f2 > 1000)
                {
                    cerr << "Bad value at " << x << ", " << y << ": " << f2;
                    exit(2);
                }

                Rgb<unsigned short> o;

                o.red = (unsigned short) ((SHIFT + f1)*MULTIPLIER + .5);
                o.green = (unsigned short) ((SHIFT + f2)*MULTIPLIER + .5);
                o.blue = 0;

                si[y][x] = o;
            }

        img_save(si, cout, ImageType::PNG);
    }
    catch(Exceptions::All e)
    {
        cerr << "Error: " << e.what << endl;
        return 1;
    }   
}

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