// assignment3.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include <stdlib.h>
#include <stdio.h>
#include <iostream>
#include <cv.h>
#include <cxcore.h>
#include <highgui.h>
#include <conio.h>
#include <cxtypes.h>
#include <math.h>
#include <iostream>
#include <algorithm>
#include <fstream>
#include <string>
#include <sstream>
using namespace std;
void my_mouse_callback( int event, int x, int y, int flags, void* param );

CvRect box;
int press=0;
int x1;
int y11;
int x2;
int y2;
int x3;
int y3;
int x4;
int y4;
IplImage* X;
IplImage* Y;
IplImage* Z;
IplImage* test1;
IplImage* test2;
IplImage* test3;


//IplImage* D1;

//bool drawing_box = false;
void LoadMyImage2()
{
	//Load Image
	X = cvLoadImage("vodafone.png",0);
	Y = cvLoadImage("mobinile.png",0);
	Z = cvLoadImage("mobinila.png",0);
	//>0 the loaded image is forced to be a 3-channel color image
	//=0 the loaded image is forced to be a 1 channel grayscale image
	//<0 the loaded image is loaded as is (with number of channels in the file).
	//cvFindHomography cvWarpPerspective
	//CvMat* matrix=cvCreateMat(4,2,Cv32F
}

void showPicture2(IplImage* i, char* title)
{
	//Create a Window
	cvNamedWindow(title,CV_WINDOW_AUTOSIZE);
	int mouseParam = 5;
	cvSetMouseCallback( title, my_mouse_callback,&mouseParam);
	//Display Image in Window
	cvShowImage(title, i);
	cvWaitKey();
}

IplImage* ezbotha(int x1,int y1,int x2,int y2, int x3,int y3,int x4 ,int y4,IplImage* src) {
	IplImage* dest=cvCloneImage(src);
	double xysrc[8] = {x1, x2, x3, x4,
					   y1, y2, y3, y4};
	CvMat matrix1 = cvMat(2,4, CV_64F, xysrc);
	double xydst[8] = {x1, x2, x1, x2,
					   y1, y1, y3, y3};
	CvMat matrix2 = cvMat(2,4, CV_64F, xydst);
	double heyheyhey[9];
	CvMat Homography= cvMat(3,3, CV_64F, heyheyhey);
	cvFindHomography(&matrix1,&matrix2,&Homography);
	cvWarpPerspective(src,dest,&Homography);
return dest;
}
IplImage* threshold (IplImage* img){
	IplImage* copy=cvCloneImage(img);
	static uchar *created  = (uchar *)copy->imageData;

	int height=copy->height;
	int width=copy->width;
	int channels= copy->nChannels;
		//now to color
		for(int i=0;i<height;i++) for(int j=0;j<width;j++) for(int k=0;k<channels;k++)
	{
		if(created[i*copy->widthStep +(j*copy->nChannels+k)] < 170 )
		{
			created[i*img->widthStep+(j*copy->nChannels+k)] = 255 ;

		}
		else
		{
			created[i*copy->widthStep+(j*copy->nChannels+k)] = 0 ; //Saturation
		}

	}
	return copy;

}
void my_mouse_callback( int event, int x, int y, int flags, void* param ){
	IplImage* image = (IplImage*) param;

	switch( event ){

		case CV_EVENT_LBUTTONDOWN:
			if (press==0){
				x1=x;
				y11=y;
			}
			else if (press==1){
				x2=x;
				y2=y;
			}
			else if (press==2){
				x3=x;
				y3=y;
			}
			else if (press==3){
				x4=x;
				y4=y;

				press =10;

			}
		    press++;
			break;
	}}

int _tmain(int argc, _TCHAR* argv[])
{
	//When using the console you will have to try to make it user friendly
	//Use prints to explain to the user how to use your application
	//Take inputs from the user in form of commands to use your application

	LoadMyImage2();
	test1=cvLoadImage("IMG_0119.png",0);
	showPicture2(test1,"hussien");
	cout<<x1<<" "<<y11<<endl;
	cout<<x2<<" "<<y2<<endl;
	cout<<x3<<" "<<y3<<endl;
	cout<<x4<<" "<<y4<<endl;
	test2=ezbotha(x1,y11,x2,y2,x3,y3,x4,y4,test1);
	showPicture2(test2,"hussieeen");
	test3=threshold(test2);
	showPicture2(test3,"hussieeen");

	IplImage* distTransformImage = cvCreateImage(cvSize(test3->width, test3->height), test3->depth, test3->nChannels);
cvDistTransform(test3, distTransformImage, CV_DIST_L1, CV_DIST_MASK_3, 0);
showPicture2(distTransformImage,"man");


	//showPicture(A,"hussien");
	getch();

	return 1;
	return 0;
}