ronghe.zip_Alpha

#include <cv.h> #include <highgui.h> int main(int argc, char** argv){ cvNamedWindow("the1", CV_WINDOW_AUTOSIZE); cvNamedWindow("the2", CV_WINDOW_AUTOSIZE); cvNamedWindow("the3", CV_WINDOW_AUTOSIZE); IplImage *src1, *src2; src1 = cvLoadImage(argv[1],1); src2 = cvLoadImage(argv[2],1); if (((argc = 9) && (src1 != 0) && (src2 != 0))){ cvShowImage("the1", src1); cvShowImage("the2", src2); int x = atoi(argv[3]); int y = atoi(argv[4]); double width = (double)atof(argv[5]); double height = (double)atof(argv[6]); double alphe = (double)atof(argv[7]); double beta = (double)atof(argv[8]); cvSetImageROI(src1, cvRect(x, y, width, height)); cvSetImageROI(src2, cvRect(0, 0, width, height)); cvAddWeighted(src1, alphe, src2, beta, 0.0, src1); cvResetImageROI(src1); cvShowImage("the3", src1); cvWaitKey(0); cvReleaseImage(&src1); cvReleaseImage(&src2); cvDestroyWindow("the1"); cvDestroyWindow("the2"); cvDestroyWindow("the3"); } return(0); }