学习opencv-------函数使用一

 #include"head.h"
 //cvResize()
 /*int main()
 {
     IplImage *img = cvLoadImage("e:/picture/Wife4.jpg");

     IplImage *big_img = cvCreateImage(cvSize(500, 600), img->depth,img->nChannels);
     cvResize(img, big_img);
     cvNamedWindow("big");
     cvNamedWindow("img");
     cvShowImage("img",img);
     cvShowImage("big", big_img);
     cvWaitKey(0);
     cvReleaseImage(&img);
     cvReleaseImage(&big_img);
     cvDestroyWindow("big");
     return 0;
 }

 */
 //cvCvtColor()
 //cvRectangle()
 //cvPutText()
 /*int main()
 {
     IplImage *img = cvLoadImage("e:/picture/Wife1.jpg");
     IplImage *big_img = cvCreateImage(cvSize(400, 500), img->depth, img->nChannels);//set to 1 channel
     IplImage *gray_big_img = cvCreateImage(cvSize(400, 500), img->depth, 3);
     cvResize(img, big_img);
     cvCvtColor(big_img,gray_big_img,CV_RGB2BGR);//change into single channel image
     //cvRectangle(gray_big_img,cvPoint(130,50),cvPoint(330,280),cvScalarAll(190),5,5);//draw a retangle
     CvFont font = cvFont(3.5,5);
     CvFont font2 = cvFont(2.0,3);//define font style
     cvPutText(gray_big_img,"Dear",cvPoint(150,400),&font,cvScalar(0));
     cvPutText(gray_big_img,"WangXinYu",cvPoint(120,450),&font2,cvScalar(150,200,50));//input english letters into the picture
     cvSetImageROI(gray_big_img,cvRect(130,50,200,230));
     cvAddS(gray_big_img,cvScalar(255,0255,0),gray_big_img);
     cvResetImageROI(gray_big_img);//set interest rigion
     //cvFlip(gray_big_img,gray_big_img,1);//image will circle around the x or y
     cvDiv(gray_big_img,big_img,big_img);
     cvNamedWindow("Grayimg");
     cvNamedWindow("Bigimg");
     cvShowImage("Bigimg",big_img);
     cvShowImage("Grayimg",gray_big_img);
     cvWaitKey(0);
     cvReleaseImage(&big_img);
     cvReleaseImage(&gray_big_img);
     cvDestroyAllWindows();

     return 0;

 }*/
 //cvSplit and cvMerge
 int main()
 {
     IplImage *getimg = cvLoadImage("e:/picture/4.jpg");
     int depth = getimg->depth;
     IplImage *img = cvCreateImage(cvSize(,),depth,getimg->nChannels);
     cvResize(getimg,img);
     CvSize size = cvGetSize(img);
     IplImage *way1 = cvCreateImage(size,depth,);
     IplImage *way2 = cvCreateImage(size, depth, );
     IplImage *way3 = cvCreateImage(size, depth, );
     IplImage *merge = cvCreateImage(size,depth,);
     cvSplit(img,way1,way2,way3,NULL);
     cvMerge(way1, way2, way3, NULL, merge);
     cvNamedWindow("img");
     cvNamedWindow("way1");
     cvNamedWindow("way2");
     cvNamedWindow("way3");
     cvNamedWindow("merge");
     cvShowImage("img",img);
     cvShowImage("way1",way1);
     cvShowImage("way2", way2);
     cvShowImage("way3", way3);
     cvShowImage("merge",merge);
     cvWaitKey();
     cvReleaseImage(&img);
     cvReleaseImage(&way1);
     cvReleaseImage(&way2);
     cvReleaseImage(&way3);
     cvReleaseImage(&merge);
     cvDestroyAllWindows();
     return ;

 }