#include "stdafx.h"
#include <opencv2\highgui\highgui.hpp>
#include <opencv2\imgproc\imgproc.hpp>
using namespace cv;
#define WINDOW_NAME "【线性混合示例】"
// 全局变量声明
const int g_nMaxAlphaValue = 100;
int g_nAlphaValueSlider;
double g_dAlphaValue;
double g_dBetaValue;
//储存图像变量
Mat g_srcImage1;
Mat g_srcImage2;
Mat g_dstImage;
void on_TrackBar(int, void *)
{
g_dAlphaValue = (double)g_nAlphaValueSlider / g_nMaxAlphaValue;
g_dBetaValue = 1 - g_dAlphaValue;
addWeighted(g_srcImage1, g_dAlphaValue, g_srcImage2, g_dBetaValue, 0.0, g_dstImage);
imshow(WINDOW_NAME, g_dstImage);
}
int _tmain(int argc, _TCHAR* argv[])
{
g_srcImage1 = imread("D:\\pic\\demo1.jpg",1);
g_srcImage2 = imread("D:\\pic\\demo.jpg", 1);
g_nAlphaValueSlider = 70;
namedWindow(WINDOW_NAME, 2);
char TrackbarName[50];
sprintf(TrackbarName, "透明值%d ", g_nMaxAlphaValue);
createTrackbar(TrackbarName, WINDOW_NAME, &g_nAlphaValueSlider, g_nMaxAlphaValue,
on_TrackBar);
on_TrackBar(g_nAlphaValueSlider, 0);
waitKey();
system("pause");
waitKey();
system("pause");
return 0;
}
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转载自blog.csdn.net/u014801811/article/details/80069559
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