main.cpp

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#include <stdlib.h>
#include <stdio.h>
#include <time.h>
//#include <conio.h>
#include <assert.h>
#include <string>

#include <ARToolKitPlus/arBitFieldPattern.h>
#include <ARToolKitPlus/TrackerImpl.h>

#include "PN/ImageTool.h"


PN::Image* createImageFromPattern(ARToolKitPlus::IDPATTERN nPattern);


void
generatePattern(bool nBCH, int nID, ARToolKitPlus::IDPATTERN& nPattern)
{
        if(nBCH)
                ARToolKitPlus::generatePatternBCH(nID, nPattern);
        else
                ARToolKitPlus::generatePatternSimple(nID, nPattern);
}


int main(int argc, char **argv)
{
        if(argc<3)
        {
                printf("IdPatGen 1.1\n\n");
                printf("IdPatGen [-noborder] [-all] [-board] [id-number] filename\n\n");
                printf("  -noborder        create no border around the pattern image\n");
                printf("  -thinborder      creates thin border (1 pixel) around the pattern image\n");
                printf("                   instead of a normal border (3 pixels)\n");
                printf("  -all             creates all markers (no id-number required)\n");
                printf("                   will add id to the filename\n");
                printf("  -board           creates a large image with all markers\n");
                printf("                   counts as: first rows, then columns\n");
                printf("  -bch             creates marker for the BCH system rather than\n");
                printf("                   the simple (original ARToolKitPlus marker system\n");
                printf("  id-number        id of the marker to create\n");
                printf("                   do not apply this option when using board\n");
                printf("  filename         filename of the marker or board\n");
                printf("                   do not pass an extension\n");
                return 0;
        }

        bool _border=true, _all=false, _board=false, _thinborder=false, _bch=false;
        int idnumber=0, numOpts=argc-1;                                 // skip last two argv since this should be the id-number & filename
        std::string basefilename;
        char filename[256];
        int idMax;

        for(int optid=1; optid<numOpts; optid++)
        {
                std::string opt = argv[optid];

                if(opt=="-noborder")
                        _border = false;
                else
                if(opt=="-thinborder")
                        _thinborder = true;
                else
                if(opt=="-all")
                        _all = true;
                else
                if(opt=="-board")
                        _board = true;
                else
                if(opt=="-bch")
                        _bch = true;
                else
                {
                        if(!_all && optid==argc-2)
                                break;

                        printf("ERROR: unknown parameter '%s'\n", opt.c_str());
                        return -1;
                }
        }

        idMax = _bch ? ARToolKitPlus::idMaxBCH : ARToolKitPlus::idMax;

        printf("Creating marker(s) for %s id-system\n", _bch ? "BCH" : "SIMPLE");

        if(!_all)
                idnumber = atoi(argv[argc-2]);
        basefilename = argv[argc-1];

        if(idnumber<0 || idnumber>idMax)
        {
                printf("ERROR: invalid id-number %d. must be in rage [0,%d]\n", idnumber, idMax);
                return -1;
        }


        int borderWidth = _thinborder ? 1 : 3;
        int markerSize = ARToolKitPlus::idPattWidth+2*borderWidth;
        PN::Image* markerImg = NULL;
        ARToolKitPlus::IDPATTERN pat;


        if(_board || _border)
        {
                markerImg = PN::Image::createFromPixelBuffer(markerSize, markerSize, new unsigned short[markerSize*markerSize], true);
                markerImg->clear(0);
        }

        if(!_board)
        {
                if(_all)                                                                                                                        // creates all idMax markers
                {
                        for(int i=0; i<=idMax; i++)
                        {
                                generatePattern(_bch, i, pat);

                                sprintf(filename, "%s_%04d.tga", basefilename.c_str(), i);
                                //filename.set("%s_%04d.tga", basefilename.c_str(), i);

                                PN::Image* patImg = createImageFromPattern(pat);

                                if(_border)
                                {
                                        markerImg->drawImage(borderWidth,borderWidth, patImg);
                                        PN::ImageTool::saveAsTGA(markerImg, filename);
                                }
                                else
                                        PN::ImageTool::saveAsTGA(patImg, filename);

                                delete patImg;
                        }
                        delete markerImg;
                }
                else                                                                                                                            // creates one marker (idnumber)
                {
                        generatePattern(_bch, idnumber, pat);

                        sprintf(filename, "%s_%04d.tga", basefilename.c_str(), idnumber);
                        //filename.set("%s_%04d.tga", basefilename.c_str(), idnumber);

                        PN::Image* patImg = createImageFromPattern(pat);

                        if(_border)
                        {
                                markerImg->drawImage(borderWidth,borderWidth, patImg);
                                PN::ImageTool::saveAsTGA(markerImg, filename);
                                delete markerImg;
                        }
                        else
                                PN::ImageTool::saveAsTGA(patImg, filename);

                        delete patImg;
                }
        }
        else
        {
                // create a board full with idMax markers...
                //
                int imgW = _bch ? 260*4 : 260,
                        imgH = _bch ? 516*2 : 516;
                int markersPerRow = _bch ? 16*4 : 16,
                        markersRows = _bch ? 32*2 : 32;

                PN::Image* board = PN::Image::createFromPixelBuffer(imgW, imgH, new unsigned short[imgW*imgH], true);
                board->clear(0xffff);

                int x=0,y=0;

                for(y=0; y<markersRows; y++)
                        for(x=0; x<markersPerRow; x++)
                        {
                                int id = y*markersPerRow+x;
                                generatePattern(_bch, id, pat);

                                PN::Image* pattern = createImageFromPattern(pat);

                                markerImg->drawImage(borderWidth,borderWidth, pattern);
                                board->drawImage(4+x*(markerSize+4), 4+y*(markerSize+4), markerImg);

                                delete pattern;
                        }
                
                sprintf(filename, "%s.tga", basefilename.c_str());
                //filename.set("%s.tga", basefilename.c_str());
                PN::ImageTool::saveAsTGA(board, filename);
                delete markerImg;
        }


        return 0;
}


PN::Image*
createImageFromPattern(ARToolKitPlus::IDPATTERN nPattern)
{
        unsigned short* pixels = new unsigned short[ARToolKitPlus::idPattWidth*ARToolKitPlus::idPattHeight];

        for(int i=0; i<ARToolKitPlus::pattBits; i++)
        {
                if(ARToolKitPlus::isBitSet(nPattern, i))
                        pixels[ARToolKitPlus::pattBits-1-i] = 0xffff;
                else
                        pixels[ARToolKitPlus::pattBits-1-i] = 0;
        }

        return PN::Image::createFromPixelBuffer(ARToolKitPlus::idPattWidth, ARToolKitPlus::idPattHeight, pixels, true);
}