【OpenCV学习】图像信息读取和倒置

#include "cv.h"
#include "highgui.h"
#include <iostream.h>

void main()
{
IplImage *src_img =cvLoadImage("lena.jpg",-1);//读入图像
IplImage *dst_img;

cout<<"******************************"<<endl<<endl;
cout<<"The information"<<endl<<endl;

cout<<"Size:"<<src_img->nSize<<endl;//这个结构体的大小

cout<<"ID:"<<src_img->ID<<endl;//版本

cout<<"Channels:"<<src_img->nChannels<<endl;//图像通道数

cout<<"Dataorder："<<src_img->dataOrder<<endl;//交叉存取颜色通道

cout<<"Original："<<src_img->origin<<endl; //图像数据分布结果

cout<<"Depth:"<<src_img->depth<<endl;//图像色深

cout<<"Width"<<src_img->width<<endl;//图像宽度像素

cout<<"Height"<<src_img->height<<endl;//图像高度像素

cout<<"ROI:"<<src_img->roi<<endl;//未指定ROI区域指针

cout<<"WidthStep"<<src_img->widthStep<<endl;//排列的图像行大小

cout<<"ImageSize"<<src_img->imageSize<<endl;//图像数据大小

/*输出图像的一块RGB值*/
for (int i=0;i<200;i+=3)
{
cout<<(int)(uchar)src_img->imageData[i];//Blue
cout<<",";
cout<<(int)(uchar)src_img->imageData[i+1];//Green
cout<<",";
cout<<(int)(uchar)src_img->imageData[i+2]<<endl;//Red

}

dst_img=cvCreateImage(cvSize(src_img->width,src_img->height),
src_img->depth,3);
cvConvertImage(src_img,dst_img,CV_CVTIMG_FLIP);//倒置图像
cvNamedWindow("lena.jpg",CV_WINDOW_AUTOSIZE);
cvNamedWindow("lenaflip.jpg",CV_WINDOW_AUTOSIZE);
cvShowImage("lena.jpg",src_img);
cvShowImage("lenaflip.jpg",dst_img);
cvWaitKey(0);
cvReleaseImage(&src_img);
cvReleaseImage(&dst_img);
}