#include"opencv2/imgproc/imgproc.hpp"
#include"opencv2/highgui/highgui.hpp"
#include<iostream>
using namespace cv;
using namespace std;
#define WINDOW_NAME"【程序窗口】"
int g_nThresholdValue = 100;
int g_nThresholdType = 3;
Mat g_srcImage, g_grayImage, g_dstImage;
static void ShowHelpText();
void on_Threshold(int, void*);
int main()
{
g_srcImage = imread("15.jpg");
if (!g_srcImage.data)
{ printf("读取图片错误，请确定目录下是否有imread函数指定的图片存在~！\n");
return false;
}
cvtColor(g_srcImage, g_grayImage, COLOR_RGB2GRAY);
namedWindow(WINDOW_NAME, WINDOW_AUTOSIZE);
createTrackbar("模式", WINDOW_NAME, &g_nThresholdType, 4, on_Threshold);
createTrackbar("参数值", WINDOW_NAME, &g_nThresholdValue, 255, on_Threshold);
on_Threshold(0, 0);
while (1)
{
int key;
key = waitKey(20);
if ((char)key == 27)
{
break;
}
}
}
void on_Threshold(int, void*)
{
threshold(g_grayImage, g_dstImage, g_nThresholdValue, 255, g_nThresholdType);
imshow(WINDOW_NAME, g_dstImage);
}