raspicam_still_test.cpp

/**********************************************************
 Software developed by AVA ( Ava Group of the University of Cordoba, ava  at uco dot es)
 Main author Rafael Munoz Salinas (rmsalinas at uco dot es)
 This software is released under BSD license as expressed below
-------------------------------------------------------------------
Copyright (c) 2013, AVA ( Ava Group University of Cordoba, ava  at uco dot es)
All rights reserved.

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   notice, this list of conditions and the following disclaimer.
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   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.
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   must display the following acknowledgement:

   This product includes software developed by the Ava group of the University of Cordoba.

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   may be used to endorse or promote products derived from this software
   without specific prior written permission.

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****************************************************************/#include <iostream>
#include <fstream>
#include <cstdlib>
#include "raspicam_still.h"
using namespace std;

raspicam::RaspiCam_Still Camera;
//Returns the value of a param. If not present, returns the defvalue
float getParamVal ( string id,int argc,char **argv,float defvalue ) {
    for ( int i=0; i<argc; i++ )
        if ( id== argv[i] )
            return atof ( argv[i+1] );
    return defvalue;
}


//prints program command line usage
void usage() {
    cout<<"-w val : sets image width (2592 default)"<<endl;
    cout<<"-h val : sets image height (1944 default)"<<endl;
     cout<<"-iso val: set iso [100,800] (400 default)"<<endl;
}


int main ( int argc, char *argv[] ) {
    usage();

    int width = getParamVal ( "-w",argc,argv,2592 );
    int height =getParamVal ( "-h",argc,argv,1944 );
    int iso=getParamVal ( "-iso",argc,argv,400);


    cout << "Initializing ..."<<width<<"x"<<height<<endl;
    Camera.setWidth ( width );
    Camera.setHeight ( height );
    Camera.setISO(iso);
    Camera.setEncoding ( raspicam::RASPICAM_ENCODING_BMP );
    Camera.open();
    cout<<"capture"<<endl;
    unsigned int length = Camera.getImageBufferSize(); // Header + Image Data + Padding
    unsigned char * data = new unsigned char[length];
      if ( !Camera.grab_retrieve(data, length) ) {
        cerr<<"Error in grab"<<endl;
        return -1;
    }

    cout<<"saving picture.bmp"<<endl;
    ofstream file ( "picture.bmp",ios::binary );
    file.write ( ( char* ) data,   length );
    return 0;
}