核心函数：cvInitFont，cvPutText

程序：

代码：

#include "cv.h"#include "cxcore.h"#include "highgui.h"#include 
     
      int PutText(int argc,char** argv){IplImage* src=cvLoadImage("e:\\picture\\11.jpg");cvNamedWindow("src");cvShowImage("src",src);CvFont font;cvInitFont(&font,CV_FONT_HERSHEY_COMPLEX,1.0,1.0,0,2,8);  //初始化字体cvPutText(src,"hello",cvPoint(250,250),&font,cvScalar(0,0,255,NULL));  //显示文字cvNamedWindow("dst");cvShowImage("dst",src);cvWaitKey(0);cvDestroyWindow("src");cvDestroyWindow("dst");cvReleaseImage(&src);return 0;}