#include "stdafx.h"#include "GeometricTrans.h"#include "InputScale.h"#include "Translate.h"GeometricTrans::GeometricTrans(){}GeometricTrans::~GeometricTrans(){}//图像缩放BOOL GeometricTrans::ReSize(Mat& InImage,Mat& OutImage,float Scale){	CInputScale Cale;	Cale.DoModal();	Scale = Cale.val;	/// 比例缩放	Mat dst;    //目标图像指针	Size dst_size;  //目标图像尺寸	dst_size.width = InImage.cols * Scale; //目标图像的宽为源图像宽的scale倍	dst_size.height = InImage.rows * Scale; //目标图像的高为源图像高的scale倍	resize(InImage, dst, dst_size); //缩放源图像到目标图像	/// 显示缩放后的图像	namedWindow("NewImage", CV_WINDOW_AUTOSIZE);	imshow("NewImage", dst);		return TRUE;}BOOL GeometricTrans::Translate(Mat& InImage, Mat& OutImage, int dx , int dy){	CTranslate Tra;	Tra.DoModal();	dx = Tra.m_fx;	dy = Tra.m_fy;	CV_Assert(InImage.depth() == CV_8U);	int rows = InImage.rows;	int cols = InImage.cols;	OutImage.create(rows, cols, InImage.type());	//3通道指针	Vec3b *p;	for (int i = 0; i < rows; i++)	{		p = OutImage.ptr
     
      (i);		for (int j = 0; j < cols; j++)		{			//平移后坐标映射到原图像			int x = j - dx;			int y = i - dy;			//保证映射后的坐标在原图像范围内			if (x >= 0 && y >= 0 && x < cols && y < rows)			{				p[j] = InImage.ptr
      
       (y)[x];			}				}	}//	namedWindow("NewImage", CV_WINDOW_AUTOSIZE);//	imshow("NewImage", OutImage);	return TRUE;}//水平镜像BOOL GeometricTrans::HrizonMirrorTrans(Mat &InImage, Mat &OutImage){	CV_Assert(InImage.depth() == CV_8U);	OutImage.create(InImage.rows, InImage.cols, InImage.type());	int rows = InImage.rows;	int cols = InImage.cols;	Vec3b *origal;	Vec3b *p;	for (int i = 0; i < rows; i++) 	{		origal = InImage.ptr
       
        (i);		p = OutImage.ptr
        
         (i);		for (int j = 0; j < cols; j++) 		{			p[j] = origal[cols - 1 - j];		}	}//	namedWindow("NewImage", CV_WINDOW_AUTOSIZE);//	imshow("NewImage", OutImage);	return TRUE;}//垂直镜像BOOL GeometricTrans::VerticalMirrorTrans(Mat &InImage, Mat &OutImage){	CV_Assert(InImage.depth() == CV_8U);	OutImage.create(InImage.rows, InImage.cols, InImage.type());	int rows = InImage.rows;	for (int i = 0; i < rows; i++)	{		//将倒数第i行转化为目标图像第i行		InImage.row(rows - i - 1).copyTo(OutImage.row(i));	}//	namedWindow("NewImage", CV_WINDOW_AUTOSIZE);//	imshow("NewImage", OutImage);	return TRUE;}IplImage* GeometricTrans::RotateImage(IplImage* Inimage, int Angle, BOOL bOk){	CInputScale Cale;	Cale.DoModal();	Angle = Cale.val;	Angle = abs(Angle) % 180;	if (Angle > 90)	{		Angle = 90 - (Angle % 90);	}	IplImage* dst = NULL;	int width =		(double)(Inimage->height * sin(Angle * CV_PI / 180.0)) +		(double)(Inimage->width * cos(Angle * CV_PI / 180.0)) + 1;	int height =		(double)(Inimage->height * cos(Angle * CV_PI / 180.0)) +		(double)(Inimage->width * sin(Angle * CV_PI / 180.0)) + 1;	int tempLength = sqrt((double)Inimage->width * Inimage->width + Inimage->height * Inimage->height) + 10;	int tempX = (tempLength + 1) / 2 - Inimage->width / 2;	int tempY = (tempLength + 1) / 2 - Inimage->height / 2;	int flag = -1;	dst = cvCreateImage(cvSize(width, height), Inimage->depth, Inimage->nChannels);	cvZero(dst);	IplImage* temp = cvCreateImage(cvSize(tempLength, tempLength), Inimage->depth, Inimage->nChannels);	cvZero(temp);	cvSetImageROI(temp, cvRect(tempX, tempY, Inimage->width, Inimage->height));	cvCopy(Inimage, temp, NULL);	cvResetImageROI(temp);	if (bOk)		flag = 1;	float m[6];	int w = temp->width;	int h = temp->height;	m[0] = (float)cos(flag * Angle * CV_PI / 180.);	m[1] = (float)sin(flag * Angle * CV_PI / 180.);	m[3] = -m[1];	m[4] = m[0];	// 将旋转中心移至图像中间  	m[2] = w * 0.5f;	m[5] = h * 0.5f;	//  	CvMat M = cvMat(2, 3, CV_32F, m);	cvGetQuadrangleSubPix(temp, dst, &M);	cvReleaseImage(&temp);	return dst;}