// xiApiPlusOcvExample.cpp : program demonstrates enabling and disabling Flat Field Correction
// switching FFC between ON and OFF is done by pressing any key during running

#include <stdio.h>
#include "xiApiPlusOcv.hpp"

using namespace cv;
using namespace std;
int main(int argc, char* argv[])
{
	try
	{
		// Sample for XIMEA OpenCV
		xiAPIplusCameraOcv cam;

		cam.EnableNewProcessChainEnable();

		// Retrieving a handle to the camera device
		printf("Opening first camera...\n");
		cam.OpenFirst();
		
		//Set exposure
		cam.SetExposureTime(50000); //10000 us = 10 ms
		cam.SetImageDataFormat(XI_RAW8);
		// Note: The default parameters of each camera might be different in different API versions

		char dark_img_name[]="dark.tif";
		char mid_img_name[]="mid.tif";
		cam.SetFFCDarkFieldFileName (dark_img_name);
		cam.SetFFCFlatFieldFileName(mid_img_name);
		cam.EnableFlatFieldCorrection();
		printf("FFC enabled");	
		
		printf("Starting acquisition...\n");
		cam.StartAcquisition();
		
		printf("First pixel value \n");
		#define EXPECTED_IMAGES 100
		bool is_enabled = true;
		while(1)
		{
			Mat cv_mat_image = cam.GetNextImageOcvMat();
			imshow("Image from camera",cv_mat_image);
			if(cvWaitKey(1) > 0)
			{
				if(is_enabled)
				{
					cam.DisableFlatFieldCorrection();
					is_enabled = false;
				}
				else
				{
					cam.EnableFlatFieldCorrection();
					is_enabled = true;
				}
			}	
		}
		
		cam.StopAcquisition();
		cam.DisableFlatFieldCorrection();		
		cam.StopAcquisition();
		cam.Close();
		printf("Done\n");
		
		cvWaitKey(500);
	}
	catch(xiAPIplus_Exception& exp){
		printf("Error:\n");
		exp.PrintError();
		cvWaitKey(2000);
	}
	waitKey(0);
	return 0;
}