图片分块保存的C++代码，调用OpenCV实现，开发平台VS2010.rar

#include "cv.h" #include "highgui.h" #include <string.h> #define LINE 5 #define ROW 5 using namespace std; void GetImageRect(IplImage* orgImage, CvRect rectInImage, IplImage* imgRect) { IplImage *result=imgRect; CvSize size; size.width=rectInImage.width; size.height=rectInImage.height; //result=cvCreateImage( size, orgImage->depth, orgImage->nChannels ); //从图像中提取子图像 cvSetImageROI(orgImage,rectInImage); cvCopy(orgImage,result); cvResetImageROI(orgImage); } int ImageBlock(char * filename) { int i,j; IplImage *orgImage = cvLoadImage(filename,1); CvSize size = cvGetSize(orgImage); CvSize sizePart;//矩阵框大小，以像素为精度 int RowWidth,LineHeight; int partImageID[ROW][LINE]={0}; char* folderPath="./Images/"; char filePath[50]={'0'}; char imageID[3]; printf("%d\n",size.width); IplImage* partImage[ROW][LINE]; CvRect rectImage[ROW][LINE]; sizePart.width = size.width/LINE; sizePart.height = size.height/ROW; printf("%d\n",sizePart.width); for(i=0;i<ROW;i++) for(j=0;j<LINE;j++) { rectImage[i][j].x=sizePart.width*j; rectImage[i][j].y=sizePart.height*i; rectImage[i][j].width=sizePart.width; rectImage[i][j].height=sizePart.height; } for(i=0;i<ROW;i++) for(j=0;j<LINE;j++) { partImage[i][j]=cvCreateImage(sizePart,orgImage->depth,orgImage->nChannels); } for(i=0;i<ROW;i++) for(j=0;j<LINE;j++) { GetImageRect(orgImage,rectImage[i][j],partImage[i][j]); } for(i=0;i<ROW;i++) for(j=0;j<LINE;j++) { partImageID[i][j]=i*10+j; } filePath[0]='\0'; for(i=0;i<ROW;i++) for(j=0;j<LINE;j++) { sprintf(filePath, ".//Images//%02d%02d.jpg", i,j); cvSaveImage(filePath,partImage[i][j]); } for(i=0;i<ROW;i++) for(j=0;j<LINE;j++) { cvReleaseImage(&partImage[i][j]); } cvReleaseImage(&orgImage); return 0; }