学习opencv-------函数使用一

 1 #include"head.h"
 2 //cvResize()
 3 /*int main()
 4 {
 5     IplImage *img = cvLoadImage("e:/picture/Wife4.jpg");
 6     
 7     IplImage *big_img = cvCreateImage(cvSize(500, 600), img->depth,img->nChannels);
 8     cvResize(img, big_img);
 9     cvNamedWindow("big");
10     cvNamedWindow("img");
11     cvShowImage("img",img);
12     cvShowImage("big", big_img);
13     cvWaitKey(0);
14     cvReleaseImage(&img);
15     cvReleaseImage(&big_img);
16     cvDestroyWindow("big");
17     return 0;
18 }
19 
20 */
21 //cvCvtColor()
22 //cvRectangle()
23 //cvPutText()
24 /*int main()
25 {
26     IplImage *img = cvLoadImage("e:/picture/Wife1.jpg");
27     IplImage *big_img = cvCreateImage(cvSize(400, 500), img->depth, img->nChannels);//set to 1 channel
28     IplImage *gray_big_img = cvCreateImage(cvSize(400, 500), img->depth, 3);
29     cvResize(img, big_img);
30     cvCvtColor(big_img,gray_big_img,CV_RGB2BGR);//change into single channel image
31     //cvRectangle(gray_big_img,cvPoint(130,50),cvPoint(330,280),cvScalarAll(190),5,5);//draw a retangle
32     CvFont font = cvFont(3.5,5);
33     CvFont font2 = cvFont(2.0,3);//define font style
34     cvPutText(gray_big_img,"Dear",cvPoint(150,400),&font,cvScalar(0));
35     cvPutText(gray_big_img,"WangXinYu",cvPoint(120,450),&font2,cvScalar(150,200,50));//input english letters into the picture
36     cvSetImageROI(gray_big_img,cvRect(130,50,200,230));
37     cvAddS(gray_big_img,cvScalar(255,0255,0),gray_big_img);
38     cvResetImageROI(gray_big_img);//set interest rigion
39     //cvFlip(gray_big_img,gray_big_img,1);//image will circle around the x or y
40     cvDiv(gray_big_img,big_img,big_img);
41     cvNamedWindow("Grayimg");
42     cvNamedWindow("Bigimg");
43     cvShowImage("Bigimg",big_img);
44     cvShowImage("Grayimg",gray_big_img);
45     cvWaitKey(0);
46     cvReleaseImage(&big_img);
47     cvReleaseImage(&gray_big_img);
48     cvDestroyAllWindows();
49     
50     return 0;
51 
52 }*/
53 //cvSplit and cvMerge
54 int main()
55 {
56     IplImage *getimg = cvLoadImage("e:/picture/4.jpg");
57     int depth = getimg->depth;
58     IplImage *img = cvCreateImage(cvSize(400,500),depth,getimg->nChannels);
59     cvResize(getimg,img);
60     CvSize size = cvGetSize(img);
61     IplImage *way1 = cvCreateImage(size,depth,1);
62     IplImage *way2 = cvCreateImage(size, depth, 1);
63     IplImage *way3 = cvCreateImage(size, depth, 1);
64     IplImage *merge = cvCreateImage(size,depth,3);
65     cvSplit(img,way1,way2,way3,NULL);
66     cvMerge(way1, way2, way3, NULL, merge);
67     cvNamedWindow("img");
68     cvNamedWindow("way1");
69     cvNamedWindow("way2");
70     cvNamedWindow("way3");
71     cvNamedWindow("merge");
72     cvShowImage("img",img);
73     cvShowImage("way1",way1);
74     cvShowImage("way2", way2);
75     cvShowImage("way3", way3);
76     cvShowImage("merge",merge);
77     cvWaitKey(0);
78     cvReleaseImage(&img);
79     cvReleaseImage(&way1);
80     cvReleaseImage(&way2);
81     cvReleaseImage(&way3);
82     cvReleaseImage(&merge);
83     cvDestroyAllWindows();
84     return 0;
85 
86 }