load image with c++

loadImage.cpp

/*
	Compilar: g++ $(pkg-config --cflags --libs opencv) loadImage.cpp -o loadImage
*/


#include <opencv2/opencv.hpp> //incluye todas las librerias OpenCV

using namespace cv;

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

  //imread puede leer “BMP, DIB, JPEG, JPE, PNG, PBM, PGM, PPM, SR, RAS, and TIFF”
  Mat img = imread(argv[1],-1); 

  if( img.empty() ) 
  	return -1;
  
  namedWindow( "Example1", cv::WINDOW_AUTOSIZE );
  imshow( "Example1", img );
  waitKey( 0 );
  destroyWindow( "Example1" );

  return 0;

}

opencvTest_OSX.c

//Compilar g++ opencvTest_OSX.c -o opencvTest_OSX

#include <stdio.h>
//#include "opencv2/core.hpp" //Tambien sirve
#include "opencv2/core/core.hpp"

int main(){
    printf("OpenCV version: %d.%d\n", CV_MAJOR_VERSION, CV_MINOR_VERSION);
    return 1;	
}