基于opencv的图片旋转实现

#include “cv.h“
#include “highgui.h“
#include “opencv2/imgproc.hpp“
using namespace cv;
IplImage* transform（IplImage* img double degress） {
	IplImage* newImage = cvCloneImage（img）;
	cvDrawRect（newImage CvPoint（0 0） CvPoint（img->width img->height） CV_RGB（0 0 0）-1）;
	double angle = degress * 3.1415926 / 180;
	float m[6];
	m[0] = m[4] = cos（angle）;
	m[1] = sin（angle）;
	m[3] = -m[1];
	//m[2] = img->width/2;
	//m[5] = img->height/2;
	CvMat mat = cvMat（2 3 CV_32F m）;
	cvWarpAffine（img newImage &mat）;
	//cvGetQuadrangleSubPix（img newImage &mat）;
	return newImage;
}
int main（） {
	IplImage* img;
	img = cvLoadImage（“1.jpg“）;
	cvNamedWindow（“111“）;
	cvShowImage（“111“transform（img0））;
	cvWaitKey（）;
	return 0;
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2019-01-13 11:47  opencvTransform
     目录           0  2019-01-13 07:21  opencvTransform.vs
     目录           0  2019-01-13 07:21  opencvTransform.vsopencvTransform
     目录           0  2019-04-15 13:20  opencvTransform.vsopencvTransformv15
     文件       31744  2019-04-15 13:20  opencvTransform.vsopencvTransformv15.suo
     文件    19501056  2019-04-15 13:20  opencvTransform.vsopencvTransformv15Browse.VC.db
     目录           0  2019-01-13 07:28  opencvTransform.vsopencvTransformv15ipch
     目录           0  2019-01-13 07:36  opencvTransform.vsopencvTransformv15ipchAutoPCH
     目录           0  2019-04-15 13:20  opencvTransform.vsopencvTransformv15ipchAutoPCH592177df9b6af9c0
     文件    76873728  2019-04-15 13:20  opencvTransform.vsopencvTransformv15ipchAutoPCH592177df9b6af9c0源.ipch
     文件       16513  2019-01-13 11:36  opencvTransform1.jpg
     文件        1443  2019-01-13 07:21  opencvTransformopencvTransform.sln
     文件        6572  2019-01-13 07:36  opencvTransformopencvTransform.vcxproj
     文件         948  2019-01-13 07:36  opencvTransformopencvTransform.vcxproj.filters
     文件         165  2019-01-13 07:21  opencvTransformopencvTransform.vcxproj.user
     目录           0  2019-01-13 07:36  opencvTransformx64
     目录           0  2019-04-15 13:20  opencvTransformx64Debug
     文件       64512  2019-04-15 13:20  opencvTransformx64DebugopencvTransform.exe
     文件      415812  2019-04-15 13:20  opencvTransformx64DebugopencvTransform.ilk
     文件         330  2019-04-15 13:20  opencvTransformx64DebugopencvTransform.log
     文件      495616  2019-04-15 13:20  opencvTransformx64DebugopencvTransform.pdb
     目录           0  2019-04-15 13:20  opencvTransformx64DebugopencvTransform.tlog
     文件         538  2019-04-15 13:20  opencvTransformx64DebugopencvTransform.tlogCL.command.1.tlog
     文件       28972  2019-04-15 13:20  opencvTransformx64DebugopencvTransform.tlogCL.read.1.tlog
     文件         312  2019-04-15 13:20  opencvTransformx64DebugopencvTransform.tlogCL.write.1.tlog
     文件        1120  2019-04-15 13:20  opencvTransformx64DebugopencvTransform.tloglink.command.1.tlog
     文件        3688  2019-04-15 13:20  opencvTransformx64DebugopencvTransform.tloglink.read.1.tlog
     文件         400  2019-04-15 13:20  opencvTransformx64DebugopencvTransform.tloglink.write.1.tlog
     文件         195  2019-04-15 13:20  opencvTransformx64DebugopencvTransform.tlogopencvTransform.lastbuildstate
     文件      453632  2019-04-15 13:20  opencvTransformx64Debugvc141.idb
     文件      831488  2019-04-15 13:20  opencvTransformx64Debugvc141.pdb
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