[quick view opencv] familiar with CV matrix operation with image splicing examples (3)

Be familiar with picture splicing examples CV Matrix operation （3）

Use the following code , It can realize the splicing operation of any two pictures

Previous section Be familiar with picture splicing examples CV Matrix operation （2）

#include <opencv2/core/core.hpp> 
#include <opencv2/highgui/highgui.hpp> 
#include <opencv2/imgproc.hpp>//resize
#include <opencv2/core/types.hpp>//rect
using namespace cv;
using std::endl;
using std::cout;
#define TIED_MODE_UAD 0
#define TIED_MOED_LAR 1
/** @brief  Splicing operation , Put two equal sized pictures together seamlessly  @arg src1  Source data 1 Matrix  @arg src2  Source data 2 Matrix  @arg mod  Select splicing mode  TIED_MODE_UAD:src1 On ,src2 Next  TIED_MOED_LAR:src1 Left ,src2 Right  @retval dst  Splicing result data matrix  **/

Mat Mat_Tied(Mat& src1, Mat src2,int mod)
{
    
	cout << " data source 1 The size of the #"<<src1.rows << "&" << src1.cols << endl;
	cout << " data source 2 The size of the #"<<src2.rows << "&" << src2.cols << endl;
	/*  Transform the image data into a matrix of equal size  */
	/*  Align the big one to the small one  */
	cout << " Size alignment ..." << endl;
	if (Mat_IsLarger(src1, src2)) {
    
		resize(src1, src1, Size(src2.cols, src2.rows));
	}
	else {
    
		resize(src2, src2, Size(src1.cols, src1.rows));
	}
	cout << " Data source after size alignment 1 The size of the #" << src1.rows << "&" << src1.cols << endl;
	cout << " Data source after size alignment 2 The size of the #" << src2.rows << "&" << src2.cols << endl;
	int _cols,_rows;
/* cout << src1.rows << "&" << src1.cols << endl; cout << src2.rows << "&" << src2.cols << endl*/;
	_cols = (src1.cols > src2.cols) ? src1.cols
		: src2.cols;
	_rows = (src1.rows > src2.rows) ? src1.rows
		: src2.rows;

	Mat dstx((_rows*2), (_cols), src1.type());
	Mat dstx2((_rows), (_cols*2), src1.type());

	//cout << "dst rows&cols" << dstx.rows << "&" << dstx.cols << endl;
	if (mod == TIED_MODE_UAD){
    
		cout << " Press mode 1 Splicing ..." << endl;
		for (int i = 0;i < dstx.rows;i++) {
    
			for (int j = 0;j < dstx.cols;j++) {
    
				if (i < src1.rows) {
    
					if (j < src1.cols) {
    
						for (int c = 0;c < src1.channels();c++)
							dstx.at<Vec3b>(i, j)[c] = src1.at<Vec3b>(i, j)[c];
					}
				}
				else if (i < src2.rows + src1.rows) {
    
					if (j < src2.cols) {
    
						for (int c = 0;c < src2.channels();c++)
							dstx.at<Vec3b>(i, j)[c] = src2.at<Vec3b>(i - src1.rows, j)[c];
					}
				}
			}
		}
	}
	else if (mod == TIED_MOED_LAR) {
    
		cout << " Press mode 2 Splicing ..." << endl;
		for (int i = 0;i < dstx2.rows;i++) {
    
			for (int j = 0;j < dstx2.cols;j++) {
    
				if (j < src1.cols) {
    
					if (i < src1.rows) {
    
						for (int c = 0;c < src1.channels();c++)
							dstx2.at<Vec3b>(i, j)[c] = src1.at<Vec3b>(i, j)[c];
					}
				}
				else if (j < src2.cols + src1.cols) {
    
					if (i < src2.rows) {
    
						for (int c = 0;c < src2.channels();c++)
							dstx2.at<Vec3b>(i, j)[c] = src2.at<Vec3b>(i, j - src1.rows)[c];
					}
				}
			}
		}
	}
	else {
    
		cout << " The specified splicing mode does not exist " << endl;
		goto deadline;
	}
	
	cout << "anyway done" << endl;
deadline:;
	return ((mod == TIED_MODE_UAD)?dstx:dstx2);
}