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opencv/samples/cpp/cloning_gui.cpp
siddharth f85a615f3f whitespaces removed and other minor changes to fix build error 
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2013-12-04 19:17:59 +05:30

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/*
* cloning.cpp
*
* Author:
* Siddharth Kherada <siddharthkherada27[at]gmail[dot]com>
*
* This tutorial demonstrates how to use OpenCV seamless cloning
* module.
*
* 1- Normal Cloning
* 2- Mixed Cloning
* 3- Monochrome Transfer
* 4- Color Change
* 5- Illumination change
* 6- Texture Flattening
* The program takes as input a source and a destination image (for 1-3 methods)
* and ouputs the cloned image.
* Step 1:
* -> In the source image, select the region of interest by left click mouse button. A Polygon ROI will be created by left clicking mouse button.
* -> To set the Polygon ROI, click the right mouse button or 'd' key.
* -> To reset the region selected, click the middle mouse button or 'r' key.
* Step 2:
* -> In the destination image, select the point where you want to place the ROI in the image by left clicking mouse button.
* -> To get the cloned result, click the right mouse button or 'c' key.
* -> To quit the program, use 'q' key.
*
* Result: The cloned image will be displayed.
*/
#include <signal.h>
#include "opencv2/photo.hpp"
#include "opencv2/imgproc.hpp"
#include "opencv2/highgui.hpp"
#include "opencv2/core.hpp"
#include <iostream>
#include <stdlib.h>
using namespace std;
using namespace cv;
Mat img0, img1, img2, res, res1, final, final1, blend;
Point point;
int drag = 0;
int destx, desty;
int numpts = 100;
Point* pts = new Point[100];
Point* pts2 = new Point[100];
Point* pts_diff = new Point[100];
int var = 0;
int flag = 0, flag1 = 0, flag4 = 0;
int minx, miny, maxx, maxy, lenx, leny;
int minxd, minyd, maxxd, maxyd, lenxd, lenyd;
int channel, num, kernel_size;
float alpha,beta;
float red, green, blue;
double low_t, high_t;
void source(int, int, int, int, void*);
void destination(int, int, int, int, void*);
void checkfile(char*);
void source(int event, int x, int y, int, void*)
{
if (event == EVENT_LBUTTONDOWN && !drag)
{
if(flag1 == 0)
{
if(var==0)
img1 = img0.clone();
point = Point(x, y);
circle(img1,point,2,Scalar(0, 0, 255),-1, 8, 0);
pts[var] = point;
var++;
drag = 1;
if(var>1)
line(img1,pts[var-2], point, Scalar(0, 0, 255), 2, 8, 0);
imshow("Source", img1);
}
}
if (event == EVENT_LBUTTONUP && drag)
{
imshow("Source", img1);
drag = 0;
}
if (event == EVENT_RBUTTONDOWN)
{
flag1 = 1;
img1 = img0.clone();
for(int i = var; i < numpts ; i++)
pts[i] = point;
if(var!=0)
{
const Point* pts3[1] = {&pts[0]};
polylines( img1, pts3, &numpts,1, 1, Scalar(0,0,0), 2, 8, 0);
}
for(int i=0;i<var;i++)
{
minx = min(minx,pts[i].x);
maxx = max(maxx,pts[i].x);
miny = min(miny,pts[i].y);
maxy = max(maxy,pts[i].y);
}
lenx = maxx - minx;
leny = maxy - miny;
int mid_pointx = minx + lenx/2;
int mid_pointy = miny + leny/2;
for(int i=0;i<var;i++)
{
pts_diff[i].x = pts[i].x - mid_pointx;
pts_diff[i].y = pts[i].y - mid_pointy;
}
imshow("Source", img1);
}
if (event == EVENT_RBUTTONUP)
{
flag = var;
final = Mat::zeros(img0.size(),CV_8UC3);
res1 = Mat::zeros(img0.size(),CV_8UC1);
const Point* pts4[1] = {&pts[0]};
fillPoly(res1, pts4,&numpts, 1, Scalar(255, 255, 255), 8, 0);
bitwise_and(img0, img0, final,res1);
imshow("Source", img1);
if(num == 4)
{
colorChange(img0,res1,blend,red,green,blue);
imshow("Color Change Image", blend);
waitKey(0);
}
else if(num == 5)
{
illuminationChange(img0,res1,blend,alpha,beta);
imshow("Illum Change Image", blend);
waitKey(0);
}
else if(num == 6)
{
textureFlattening(img0,res1,blend,low_t,high_t,kernel_size);
imshow("Texture Flattened", blend);
waitKey(0);
}
}
if (event == EVENT_MBUTTONDOWN)
{
for(int i = 0; i < numpts ; i++)
{
pts[i].x=0;
pts[i].y=0;
}
var = 0;
flag1 = 0;
minx = INT_MAX; miny = INT_MAX; maxx = INT_MIN; maxy = INT_MIN;
imshow("Source", img0);
if(num == 1 || num == 2 || num == 3)
imshow("Destination",img2);
drag = 0;
}
}
void destination(int event, int x, int y, int, void*)
{
Mat im1;
minxd = INT_MAX; minyd = INT_MAX; maxxd = INT_MIN; maxyd = INT_MIN;
im1 = img2.clone();
if (event == EVENT_LBUTTONDOWN)
{
flag4 = 1;
if(flag1 == 1)
{
point = Point(x, y);
for(int i=0;i<var;i++)
{
pts2[i].x = point.x + pts_diff[i].x;
pts2[i].y = point.y + pts_diff[i].y;
}
for(int i=var;i<numpts;i++)
{
pts2[i].x = point.x + pts_diff[0].x;
pts2[i].y = point.y + pts_diff[0].y;
}
const Point* pts5[1] = {&pts2[0]};
polylines( im1, pts5, &numpts,1, 1, Scalar(0,0,255), 2, 8, 0);
destx = x;
desty = y;
imshow("Destination", im1);
}
}
if (event == EVENT_RBUTTONUP)
{
for(int i=0;i<flag;i++)
{
minxd = min(minxd,pts2[i].x);
maxxd = max(maxxd,pts2[i].x);
minyd = min(minyd,pts2[i].y);
maxyd = max(maxyd,pts2[i].y);
}
if(maxxd > im1.size().width || maxyd > im1.size().height || minxd < 0 || minyd < 0)
{
cout << "Index out of range" << endl;
exit(0);
}
final1 = Mat::zeros(img2.size(),CV_8UC3);
res = Mat::zeros(img2.size(),CV_8UC1);
for(int i=miny, k=minyd;i<(miny+leny);i++,k++)
for(int j=minx,l=minxd ;j<(minx+lenx);j++,l++)
{
for(int c=0;c<channel;c++)
{
final1.at<uchar>(k,l*channel+c) = final.at<uchar>(i,j*channel+c);
}
}
const Point* pts6[1] = {&pts2[0]};
fillPoly(res, pts6, &numpts, 1, Scalar(255, 255, 255), 8, 0);
if(num == 1 || num == 2 || num == 3)
{
seamlessClone(img0,img2,res1,point,blend,num);
imshow("Cloned Image", blend);
imwrite("cloned.png",blend);
waitKey(0);
}
for(int i = 0; i < flag ; i++)
{
pts2[i].x=0;
pts2[i].y=0;
}
minxd = INT_MAX; minyd = INT_MAX; maxxd = INT_MIN; maxyd = INT_MIN;
}
im1.release();
}
int main()
{
cout << endl;
cout << "Cloning Module" << endl;
cout << "---------------" << endl;
cout << "Step 1:" << endl;
cout << " -> In the source image, select the region of interest by left click mouse button. A Polygon ROI will be created by left clicking mouse button." << endl;
cout << " -> To set the Polygon ROI, click the right mouse button or use 'd' key" << endl;
cout << " -> To reset the region selected, click the middle mouse button or use 'r' key." << endl;
cout << "Step 2:" << endl;
cout << " -> In the destination image, select the point where you want to place the ROI in the image by left clicking mouse button." << endl;
cout << " -> To get the cloned result, click the right mouse button or use 'c' key." << endl;
cout << " -> To quit the program, use 'q' key." << endl;
cout << endl;
cout << "Options: " << endl;
cout << endl;
cout << "1) Normal Cloning " << endl;
cout << "2) Mixed Cloning " << endl;
cout << "3) Monochrome Transfer " << endl;
cout << "4) Local Color Change " << endl;
cout << "5) Local Illumination Change " << endl;
cout << "6) Texture Flattening " << endl;
cout << endl;
cout << "Press number 1-6 to choose from above techniques: ";
cin >> num;
cout << endl;
minx = INT_MAX; miny = INT_MAX; maxx = INT_MIN; maxy = INT_MIN;
minxd = INT_MAX; minyd = INT_MAX; maxxd = INT_MIN; maxyd = INT_MIN;
int flag3 = 0;
if(num == 1 || num == 2 || num == 3)
{
string src,dest;
cout << "Enter Source Image: ";
cin >> src;
cout << "Enter Destination Image: ";
cin >> dest;
img0 = imread(src);
img2 = imread(dest);
if(!img0.data)
{
cout << "Source Image does not exist" << endl;
exit(0);
}
if(!img2.data)
{
cout << "Destination Image does not exist" << endl;
exit(0);
}
channel = img0.channels();
res = Mat::zeros(img2.size(),CV_8UC1);
res1 = Mat::zeros(img0.size(),CV_8UC1);
final = Mat::zeros(img0.size(),CV_8UC3);
final1 = Mat::zeros(img2.size(),CV_8UC3);
//////////// source image ///////////////////
namedWindow("Source", 1);
setMouseCallback("Source", source, NULL);
imshow("Source", img0);
/////////// destination image ///////////////
namedWindow("Destination", 1);
setMouseCallback("Destination", destination, NULL);
imshow("Destination",img2);
}
else if(num == 4)
{
string src;
cout << "Enter Source Image: ";
cin >> src;
cout << "Enter RGB values: " << endl;
cout << "Red: ";
cin >> red;
cout << "Green: ";
cin >> green;
cout << "Blue: ";
cin >> blue;
img0 = imread(src);
if(!img0.data)
{
cout << "Source Image does not exist" << endl;
exit(0);
}
res1 = Mat::zeros(img0.size(),CV_8UC1);
final = Mat::zeros(img0.size(),CV_8UC3);
//////////// source image ///////////////////
namedWindow("Source", 1);
setMouseCallback("Source", source, NULL);
imshow("Source", img0);
}
else if(num == 5)
{
string src;
cout << "Enter Source Image: ";
cin >> src;
cout << "alpha: ";
cin >> alpha;
cout << "beta: ";
cin >> beta;
img0 = imread(src);
if(!img0.data)
{
cout << "Source Image does not exist" << endl;
exit(0);
}
res1 = Mat::zeros(img0.size(),CV_8UC1);
final = Mat::zeros(img0.size(),CV_8UC3);
//////////// source image ///////////////////
namedWindow("Source", 1);
setMouseCallback("Source", source, NULL);
imshow("Source", img0);
}
else if(num == 6)
{
string src;
cout << "Enter Source Image: ";
cin >> src;
cout << "low_threshold: ";
cin >> low_t;
cout << "high_threshold: ";
cin >> high_t;
cout << "kernel_size: ";
cin >> kernel_size;
img0 = imread(src);
if(!img0.data)
{
cout << "Source Image does not exist" << endl;
exit(0);
}
res1 = Mat::zeros(img0.size(),CV_8UC1);
final = Mat::zeros(img0.size(),CV_8UC3);
//////////// source image ///////////////////
namedWindow("Source", 1);
setMouseCallback("Source", source, NULL);
imshow("Source", img0);
}
else
{
cout << "Wrong Option Choosen" << endl;
exit(0);
}
for(;;)
{
char key = (char) waitKey(0);
if(key == 'd' && flag3 == 0)
{
flag1 = 1;
flag3 = 1;
img1 = img0.clone();
for(int i = var; i < numpts ; i++)
pts[i] = point;
if(var!=0)
{
const Point* pts3[1] = {&pts[0]};
polylines( img1, pts3, &numpts,1, 1, Scalar(0,0,0), 2, 8, 0);
}
for(int i=0;i<var;i++)
{
minx = min(minx,pts[i].x);
maxx = max(maxx,pts[i].x);
miny = min(miny,pts[i].y);
maxy = max(maxy,pts[i].y);
}
lenx = maxx - minx;
leny = maxy - miny;
int mid_pointx = minx + lenx/2;
int mid_pointy = miny + leny/2;
for(int i=0;i<var;i++)
{
pts_diff[i].x = pts[i].x - mid_pointx;
pts_diff[i].y = pts[i].y - mid_pointy;
}
flag = var;
final = Mat::zeros(img0.size(),CV_8UC3);
res1 = Mat::zeros(img0.size(),CV_8UC1);
const Point* pts4[1] = {&pts[0]};
fillPoly(res1, pts4,&numpts, 1, Scalar(255, 255, 255), 8, 0);
bitwise_and(img0, img0, final,res1);
imshow("Source", img1);
}
else if(key == 'r')
{
for(int i = 0; i < numpts ; i++)
{
pts[i].x=0;
pts[i].y=0;
}
var = 0;
flag1 = 0;
flag3 = 0;
flag4 = 0;
minx = INT_MAX; miny = INT_MAX; maxx = INT_MIN; maxy = INT_MIN;
imshow("Source", img0);
if(num == 1 || num == 2 || num == 3)
imshow("Destination",img2);
drag = 0;
}
else if ((num == 1 || num == 2 || num == 3) && key == 'c' && flag1 == 1 && flag4 == 1)
{
seamlessClone(img0,img2,res1,point,blend,num);
imshow("Cloned Image", blend);
imwrite("cloned.png",blend);
}
else if (num == 4 && key == 'c' && flag1 == 1)
{
colorChange(img0,res1,blend,red,green,blue);
imshow("Color Change Image", blend);
imwrite("cloned.png",blend);
}
else if (num == 5 && key == 'c' && flag1 == 1)
{
illuminationChange(img0,res1,blend,alpha,beta);
imshow("Illum Change Image", blend);
imwrite("cloned.png",blend);
}
else if (num == 6 && key == 'c' && flag1 == 1)
{
textureFlattening(img0,res1,blend,low_t,high_t,kernel_size);
imshow("Texture Flattened", blend);
imwrite("cloned.png",blend);
}
else if(key == 'q')
exit(0);
}
waitKey(0);
}
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