src2中的alpha融合ROI

#include <cv.h>

#include <highgui.h>

int main(int argc, char** argv)

{

    IplImage *src1,*src2;

    if (((src1 = cvLoadImage("001.jpg", )) != ) && ((src2 = cvLoadImage("002.jpg", )) != ))

    {

        int x = ;

        int y = ;

        int width = ;

        int height = ;

        int add = ;

        double alpha = 0.8;

        double bete = 0.2;

        //给定图片的从左上角(x,y) 长宽为width,height的区域进行ROI增加像素

        cvSetImageROI(src1, cvRect(x, y, width, height));

        cvSetImageROI(src2, cvRect(, , width, height));

        cvAddWeighted(src1, alpha, src2, bete, 0.0, src1);

        //增加像素 并且存储在src

        //释放基于给定矩形的ROI

        cvResetImageROI(src1);

        //创建窗口

        cvNamedWindow("main1", );

        //cvNamedWindow("main2", 1);

        //通过新建的窗口对src进行show

        cvShowImage("main1", src1);

        //cvShowImage("mian2", src2);

        cvWaitKey();

        cvReleaseImage(&src1);

        cvReleaseImage(&src2);

        cvDestroyWindow("main1");

        //cvDestroyWindow("main2");

    }

    return ;

}