读浅墨博客 十一 笔记(2)代码

http://blog.youkuaiyun.com/poem_qianmo/article/details/24599073

#include<iostream>
#include<opencv2/core/core.hpp>
#include<opencv2/highgui/highgui.hpp>
#include<opencv2/imgproc/imgproc.hpp>


using namespace std;
using namespace cv;

Mat src, dst;
int ElementShape = MORPH_RECT;

int MaxIterationNum = 10;
int OpenCloseNum;
int ErodeDilateNum;
int TopBlackHatNum;

static void on_OpenClose(int,void *);
static void on_ErodeDilate(int, void *);
static void on_TopBlackHat(int, void *);
static void showText();


int main(){


	showText();

	src = imread("1.jpg");
	if (!src.data)
		cout << "oh no wrong" << endl;

	namedWindow("开/闭运算");
	namedWindow("腐蚀/膨胀运算");
	namedWindow("顶帽/黑帽运算");

	OpenCloseNum = 9;
	ErodeDilateNum = 9;
	TopBlackHatNum = 2;

	createTrackbar("迭代值", "开/闭运算", &OpenCloseNum, MaxIterationNum * 2 + 1, on_OpenClose);
	createTrackbar("迭代值", "腐蚀/膨胀运算", &ErodeDilateNum, MaxIterationNum * 2 + 1, on_ErodeDilate);
	createTrackbar("迭代值", "顶帽/黑帽运算", &TopBlackHatNum, MaxIterationNum * 2 + 1, on_TopBlackHat);


	while (1){
	
		int c;


		on_OpenClose(OpenCloseNum,0);
		on_ErodeDilate(ErodeDilateNum, 0);
		on_TopBlackHat(TopBlackHatNum,0);


		c = waitKey(0);


		if ((char) c== 'q' || (char)c == 27)
			break;
		if ((char)c == 49)
			ElementShape = MORPH_ELLIPSE;
		else if ((char)c == 50)
			ElementShape = MORPH_RECT;
		else if ((char)c == 51)
			ElementShape = MORPH_CROSS;

		else if ((char)c == ' ')
			ElementShape = (ElementShape + 1) % 3;
	
}

	return 0;

}



static void on_OpenClose(int, void *){
	int offset = OpenCloseNum - MaxIterationNum;//位移量
	int Absolute_offset = offset > 0 ? offset : -offset;
	Mat element = getStructuringElement(ElementShape, Size(Absolute_offset * 2 + 1, Absolute_offset * 2 + 1),Point(Absolute_offset,Absolute_offset));

	if (offset < 0)
	{
		morphologyEx(src,dst,CV_MOP_OPEN,element);
	}
	else{
		morphologyEx(src, dst, CV_MOP_CLOSE, element);
	}
	imshow("开/闭运算",dst);


}


static void on_ErodeDilate(int, void *){
	int offset = ErodeDilateNum - MaxIterationNum;//位移量
	int Absolute_offset = offset > 0 ? offset : -offset;
	Mat element = getStructuringElement(ElementShape, Size(Absolute_offset * 2 + 1, Absolute_offset * 2 + 1), Point(Absolute_offset, Absolute_offset));

	if (offset < 0)
	{
		erode(src,dst,element);
	}
	else{
		dilate(src,dst,element);
	}
	imshow("腐蚀/膨胀运算", dst);


}

static void on_TopBlackHat(int, void *){
	int offset = TopBlackHatNum - MaxIterationNum;//位移量
	int Absolute_offset = offset > 0 ? offset : -offset;
	Mat element = getStructuringElement(ElementShape, Size(Absolute_offset * 2 + 1, Absolute_offset * 2 + 1), Point(Absolute_offset, Absolute_offset));

	if (offset < 0)
	{
		morphologyEx(src, dst, CV_MOP_TOPHAT, element);
	}
	else{
		morphologyEx(src, dst, CV_MOP_BLACKHAT, element);
	}
	imshow("顶帽/黑帽运算", dst);


}

static void showText(){
	cout << "可以开始操作啦~~~~" << endl;
	cout << "按键操作说明："
		<< "esc或者q------退出" << endl
		<< "1---使用椭圆结构元素" << endl
		<< "2---使用矩形结构元素" << endl
		<< "空格----在矩形，椭圆，十字形结构中循环" << endl;



}