// xiApiPlusOcvExample.cpp : program opens first camera, captures and displays 40 images

#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;
		xiAPIplus_ImageProcessing processing;	// processing handle

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

		#define EXPECTED_IMAGES 100
		xiAPIplus_Image src_images[EXPECTED_IMAGES];
		
		printf("Starting acquisition...\n");
		cam.StartAcquisition();
		
		for (int i=0;i<EXPECTED_IMAGES;i++)
		{
			// getting image from camera
			xiAPIplus_Image image;
			cam.GetNextImage(&image);
			image.CopyTo(&src_images[i]);
		}

		#define SIZE_OF_CONTEXT_BUFFER (10*1024*1024) // 10MiB
		char* cam_context = (char*)malloc(SIZE_OF_CONTEXT_BUFFER);
		cam.GetApiContextList(cam_context, SIZE_OF_CONTEXT_BUFFER);
		
		printf("Acquisition finished.\n\n");
		cam.StopAcquisition();
		cam.Close();

		printf("Starting offline processing...\n");
		int cam_context_len = (DWORD)strlen(cam_context);
		processing.SetParam(XI_PRM_API_CONTEXT_LIST, cam_context, cam_context_len, xiTypeString);
		format = XI_RGB24;
		processing.SetParam(XI_PRM_IMAGE_DATA_FORMAT,  &format, sizeof(format), xiTypeInteger);

		for (int i=0;i<EXPECTED_IMAGES;i++)
		{
			processing.PushImage(src_images[i].GetPixels());
			processing.PullImage();

			xiAPIplus_Image ret_image;
 			processing.GetImage(&ret_image);

			Mat cv_mat_image = cam.ConvertOcvMat(&ret_image);
			imshow("Image from camera",cv_mat_image);
			cvWaitKey(20);
		}
		
		printf("Done\n");

		cvWaitKey(500);
	}
	catch(xiAPIplus_Exception& exp)
	{
		printf("Error:\n");
		exp.PrintError();
#ifdef WIN32
		Sleep(2000);
#endif
		cvWaitKey(2000);
		return -1;
	}
	return 0;
}