OpenCV的一个实例

OpenCV实例,OpenCV例程,常用的标准图图像文件读入和显示图像创建、保存和复制Canny边缘检测Canny边缘检测2轮廓(contour)检测轮廓(contour)检测2图像旋转与缩放读视频文件和运动物体检测Hough线段检测鼠标绘图snake轮廓例子,离散傅立叶变换(DFT)人脸检测QR分解绘制贝赛尔Bezier曲线使用DirectShow采集图像设定跟踪目标图片的改进摄像头标定施密特正交化高斯背景建模图像缩放高级图像处理初步,常用的标准图,Lena.jpg(90KB,MIMEtype:image/jpeg),Fruits.jpg(81KB,MIMEtype:image/jpeg),Baboon.jpg(176KB,MIMEtype:image/jpeg),Airplane.jpg(84KB,MIMEtype:image/jpeg),图像文件读入和显示,/*OpenCVexample*ByShiqiYu2006*/#includecv.h#includehighgui.hintmain(intargc,char*argv)IplImage*pImg;/声明IplImage指针/载入图像if(argc=2/创建窗口cvShowImage(Image,pImg);/显示图像cvWaitKey(0);/等待按键cvDestroyWindow(Image);/销毁窗口cvReleaseImage(,图像创建、保存和复制,/*cvLoadImage,cvSaveImage,cvCreateImage,cvCopy以及图像显示的例子*/*OpenCVexample*ByShiqiYu2006*/#includecv.h#includehighgui.hintmain(intargc,char*argv)IplImage*pImg;/声明IplImage指针,/载入图像，强制转化为Grayif(argc=3,Canny边缘检测,/*cvCanny：Canny边缘检测*/*OpenCVexample*ByShiqiYu2006*/#includecv.h#includecxcore.h#includehighgui.hintmain(intargc,char*argv)/声明IplImage指针IplImage*pImg=NULL;IplImage*pCannyImg=NULL;/载入图像，强制转化为Grayif(argc=2/canny边缘检测cvCanny(pImg,pCannyImg,50,150,3);/创建窗口cvNamedWindow(src,1);cvNamedWindow(canny,1);/显示图像cvShowImage(src,pImg);cvShowImage(canny,pCannyImg);cvWaitKey(0);/等待按键/销毁窗口cvDestroyWindow(src);cvDestroyWindow(canny);/释放图像cvReleaseImage(,Canny边缘检测2,运行结果：,代码：,#ifdef_CH_#pragmapackage#endif#ifndef_EiC#includecv.h#includehighgui.h#endifcharwndname=Edge;chartbarname=Threshold;IplImage*image=0,*cedge=0,*gray=0,*edge=0;,/defineatrackbarcallbackvoidon_trackbar(inth)cvSmooth(gray,edge,CV_BLUR,3,3,0,0);cvNot(gray,edge);/RuntheedgedetectorongrayscalecvCanny(gray,edge,(float)h,(float)h*3,3);cvZero(cedge);/copyedgepointscvCopy(image,cedge,edge);cvShowImage(wndname,cedge);,intmain(intargc,char*argv)char*filename=argc=2?argv1:(char*)fruits.jpg;intedge_thresh=1;if(image=cvLoadImage(filename,1)=0)return-1;/Createtheoutputimagecedge=cvCreateImage(cvSize(image-width,image-height),IPL_DEPTH_8U,3);/Converttograyscalegray=cvCreateImage(cvSize(image-width,image-height),IPL_DEPTH_8U,1);edge=cvCreateImage(cvSize(image-width,image-height),IPL_DEPTH_8U,1);cvCvtColor(image,gray,CV_BGR2GRAY);,/CreateawindowcvNamedWindow(wndname,1);/createatoolbarcvCreateTrackbar(tbarname,wndname,#endif,轮廓(contour)检测,/*轮廓检测*主要函数：*cvFindContours*cvDrawContours*/*OpenCVexample*ByShiqiYu2006*/#includecv.h#includecxcore.h#includehighgui.hintmain(intargc,char*argv)/声明IplImage指针IplImage*pImg=NULL;IplImage*pContourImg=NULL,CvMemStorage*storage=cvCreateMemStorage(0);CvSeq*contour=0;intmode=CV_RETR_EXTERNAL;if(argc=3)if(strcmp(argv2,all)=0)mode=CV_RETR_CCOMP;/内外轮廓都检测/创建窗口cvNamedWindow(src,1);cvNamedWindow(contour,1);/载入图像，强制转化为Grayif(argc=2/为轮廓显示图像申请空间/3通道图像，以便用彩色显示pContourImg=cvCreateImage(cvGetSize(pImg),IPL_DEPTH_8U,3);/copysourceimageandconvertittoBGRimagecvCvtColor(pImg,pContourImg,CV_GRAY2BGR);/查找contourcvFindContours(pImg,storage,/将轮廓画出cvDrawContours(pContourImg,contour,CV_RGB(0,0,255),CV_RGB(255,0,0),2,2,8);/显示图像cvShowImage(contour,pContourImg);cvWaitKey(0);/销毁窗口cvDestroyWindow(src);cvDestroyWindow(contour);/释放图像cvReleaseImage(,轮廓(contour)检测2,运行结果:,代码,#ifdef_CH_#pragmapackage#endif#ifndef_EiC#includecv.h#includehighgui.h#include#endif#definew500intlevels=3;CvSeq*contours=0;,voidon_trackbar(intpos)IplImage*cnt_img=cvCreateImage(cvSize(w,w),8,3);CvSeq*_contours=contours;int_levels=levels-3;if(_levelsh_next-h_next-h_next;cvZero(cnt_img);cvDrawContours(cnt_img,_contours,CV_RGB(255,0,0),CV_RGB(0,255,0),_levels,3,CV_AA,cvPoint(0,0);cvShowImage(contours,cnt_img);cvReleaseImage(,intmain(intargc,char*argv)inti,j;CvMemStorage*storage=cvCreateMemStorage(0);IplImage*img=cvCreateImage(cvSize(w,w),8,1);cvZero(img);for(i=0;iwidth;inth=src-height;if(opt)/旋转加缩放factor=(cos(angle*CV_PI/180.)+1.0)*2;else,/仅仅旋转factor=1;m0=(float)(factor*cos(-angle*2*CV_PI/180.);m1=(float)(factor*sin(-angle*2*CV_PI/180.);m3=-m1;m4=m0;/将旋转中心移至图像中间m2=w*0.5f;m5=h*0.5f;/dst(x,y)=A*src(x,y)+bcvZero(dst);cvGetQuadrangleSubPix(src,dst,读视频文件和运动物体检测,/*背景建模，运动物体检测*/*OpenCVexample*ByShiqiYu2006*/#include#include#include#include,intmain(intargc,char*argv)/声明IplImage指针IplImage*pFrame=NULL;IplImage*pFrImg=NULL;IplImage*pBkImg=NULL;CvMat*pFrameMat=NULL;CvMat*pFrMat=NULL;CvMat*pBkMat=NULL;CvCapture*pCapture=NULL;intnFrmNum=0;,/创建窗口cvNamedWindow(video,1);cvNamedWindow(background,1);cvNamedWindow(foreground,1);/使窗口有序排列cvMoveWindow(video,30,0);cvMoveWindow(background,360,0);cvMoveWindow(foreground,690,0);,if(argc2)fprintf(stderr,Usage:bkgrdvideo_file_namen);return-1;/打开摄像头if(argc=1)if(!(pCapture=cvCaptureFromCAM(-1)fprintf(stderr,Cannotopencamera.n);return-2;/打开视频文件if(argc=2)if(!(pCapture=cvCaptureFromFile(argv1)fprintf(stderr,Cannotopenvideofile%sn,argv1);return-2;,/逐帧读取视频while(pFrame=cvQueryFrame(pCapture)nFrmNum+;/如果是第一帧，需要申请内存，并初始化if(nFrmNum=1)pBkImg=cvCreateImage(cvSize(pFrame-width,pFrame-height),IPL_DEPTH_8U,1);pFrImg=cvCreateImage(cvSize(pFrame-width,pFrame-height),IPL_DEPTH_8U,1);pBkMat=cvCreateMat(pFrame-height,pFrame-width,CV_32FC1);pFrMat=cvCreateMat(pFrame-height,pFrame-width,CV_32FC1);pFrameMat=cvCreateMat(pFrame-height,pFrame-width,CV_32FC1);,/转化成单通道图像再处理cvCvtColor(pFrame,pBkImg,CV_BGR2GRAY);cvCvtColor(pFrame,pFrImg,CV_BGR2GRAY);cvConvert(pFrImg,pFrameMat);cvConvert(pFrImg,pFrMat);cvConvert(pFrImg,pBkMat);elsecvCvtColor(pFrame,pFrImg,CV_BGR2GRAY);cvConvert(pFrImg,pFrameMat);/高斯滤波先，以平滑图像/cvSmooth(pFrameMat,pFrameMat,CV_GAUSSIAN,3,0,0);/当前帧跟背景图相减cvAbsDiff(pFrameMat,pBkMat,pFrMat);,/二值化前景图cvThreshold(pFrMat,pFrImg,60,255.0,CV_THRESH_BINARY);/进行形态学滤波，去掉噪音/cvErode(pFrImg,pFrImg,0,1);/cvDilate(pFrImg,pFrImg,0,1);/更新背景cvRunningAvg(pFrameMat,pBkMat,0.003,0);/将背景转化为图像格式，用以显示cvConvert(pBkMat,pBkImg);,/显示图像cvShowImage(video,pFrame);cvShowImage(background,pBkImg);cvShowImage(foreground,pFrImg);/如果有按键事件，则跳出循环/此等待也为cvShowImage函数提供时间完成显示/等待时间可以根据CPU速度调整if(cvWaitKey(2)=0)break;,/销毁窗口cvDestroyWindow(video);cvDestroyWindow(background);cvDestroyWindow(foreground);/释放图像和矩阵cvReleaseImage(,Hough线段检测,检测结果：,/*Thisisastandaloneprogram.Passanimagenameasafirstparameteroftheprogram.SwitchbetweenstandardandprobabilisticHoughtransformbychanging#if1to#if0andback*/#include#include#includeintmain(intargc,char*argv)constchar*filename=argc=2?argv1:pic1.png;IplImage*src=cvLoadImage(filename,0);IplImage*dst;IplImage*color_dst;CvMemStorage*storage=cvCreateMemStorage(0);CvSeq*lines=0;inti;,if(!src)return-1;dst=cvCreateImage(cvGetSize(src),8,1);color_dst=cvCreateImage(cvGetSize(src),8,3);cvCanny(src,dst,50,200,3);cvCvtColor(dst,color_dst,CV_GRAY2BGR);#if0lines=cvHoughLines2(dst,storage,CV_HOUGH_STANDARD,1,CV_PI/180,100,0,0);for(i=0;itotal,100);i+)float*line=(float*)cvGetSeqElem(lines,i);floatrho=line0;floattheta=line1;CvPointpt1,pt2;doublea=cos(theta),b=sin(theta);doublex0=a*rho,y0=b*rho;,pt1.x=cvRound(x0+1000*(-b);pt1.y=cvRound(y0+1000*(a);pt2.x=cvRound(x0-1000*(-b);pt2.y=cvRound(y0-1000*(a);cvLine(color_dst,pt1,pt2,CV_RGB(255,0,0),3,CV_AA,0);#elselines=cvHoughLines2(dst,storage,CV_HOUGH_PROBABILISTIC,1,CV_PI/180,50,50,10);for(i=0;itotal;i+)CvPoint*line=(CvPoint*)cvGetSeqElem(lines,i);cvLine(color_dst,line0,line1,CV_RGB(255,0,0),3,CV_AA,0);#endifcvNamedWindow(Source,1);cvShowImage(Source,src);cvNamedWindow(Hough,1);cvShowImage(Hough,color_dst);cvWaitKey(0);return0;,鼠标绘图,#ifdef_CH_#pragmapackage#endif#includecv.h#includehighgui.h#include#includeIplImage*inpaint_mask=0;IplImage*img0=0,*img=0,*inpainted=0;CvPointprev_pt=-1,-1;,voidon_mouse(intevent,intx,inty,intflags,void*zhang)if(!img)return;if(event=CV_EVENT_LBUTTONUP|!(flags,intmain(intargc,char*argv)char*filename=argc=2?argv1:(char*)fruits.jpg;if(img0=cvLoadImage(filename,-1)=0)return0;printf(Hotkeys:ntESC-quittheprogramntr-restoretheoriginalimagentiorENTER-runinpaintingalgorithmntt(beforerunningit,paintsomethingontheimage)n);cvNamedWindow(image,1);img=cvCloneImage(img0);inpainted=cvCloneImage(img0);inpaint_mask=cvCreateImage(cvGetSize(img),8,1);cvZero(inpaint_mask);cvZero(inpainted);cvShowImage(image,img);cvShowImage(watershedtransform,inpainted);cvSetMouseCallback(image,on_mouse,0);,for(;)intc=cvWaitKey(0);if(char)c=27)break;if(char)c=r)cvZero(inpaint_mask);cvCopy(img0,img,0);cvShowImage(image,img);if(char)c=i|(char)c=n)cvNamedWindow(inpaintedimage,1);cvInpaint(img,inpaint_mask,inpainted,3,CV_INPAINT_TELEA);cvShowImage(inpaintedimage,inpainted);return1;,Snake轮廓例子,opencv例子里没有提供cvsnakeimage的使用方法，在此整理一个例子，可以形象的看看snake算法的结果，大致做法是：首先设定域值分割，把基本的轮廓找出来，见图中蓝色轮廓线，再将轮廓点传入cvSnakeImage函数，计算出绿色的snake轮廓线。其中参数alpha代表点相互靠拢的权值(0-1.0)，beta表示弯曲能量（越小越容易弯曲）(0-1.0)，gamma表示整体能量(0-1.0)。其中参数我自己也不确定具体的范围，最好自己更改不同的范围试试.,程序运行结果,/TrainingTools.cpp:定义控制台应用程序的入口点。/#includestdafx.h#include#include#include#include#include#includeIplImage*image=0;/原始图像IplImage*image2=0;/原始图像copyusingnamespacestd;intThresholdness=141;intialpha=20;intibeta=20;intigamma=20;,voidonChange(intpos)if(image2)cvReleaseImage(,cvFindContours(image,storage,/显示轮廓曲线for(inti=0;i=2?argv1:lena.jpg;IplImage*im;IplImage*realInput;IplImage*imaginaryInput;IplImage*complexInput;intdft_M,dft_N;CvMat*dft_A,tmp;IplImage*image_Re;IplImage*image_Im;doublem,M;im=cvLoadImage(filename,CV_LOAD_IMAGE_GRAYSCALE);if(!im)return-1;,realInput=cvCreateImage(cvGetSize(im),IPL_DEPTH_64F,1);imaginaryInput=cvCreateImage(cvGetSize(im),IPL_DEPTH_64F,1);complexInput=cvCreateImage(cvGetSize(im),IPL_DEPTH_64F,2);cvScale(im,realInput,1.0,0.0);cvZero(imaginaryInput);cvMerge(realInput,imaginaryInput,NULL,NULL,complexInput);dft_M=cvGetOptimalDFTSize(im-height-1);dft_N=cvGetOptimalDFTSize(im-width-1);dft_A=cvCreateMat(dft_M,dft_N,CV_64FC2);image_Re=cvCreateImage(cvSize(dft_N,dft_M),IPL_DEPTH_64F,1);image_Im=cvCreateImage(cvSize(dft_N,dft_M),IPL_DEPTH_64F,1);,/copyAtodft_Aandpaddft_AwithzeroscvGetSubRect(dft_A,/SplitFourierinrealandimaginarypartscvSplit(dft_A,image_Re,image_Im,0,0);/ComputethemagnitudeofthespectrumMag=sqrt(Re2+Im2)cvPow(image_Re,image_Re,2.0);cvPow(image_Im,image_Im,2.0);cvAdd(image_Re,image_Im,image_Re,NULL);cvPow(image_Re,image_Re,0.5);/Computelog(1+Mag)cvAddS(image_Re,cvScalarAll(1.0),image_Re,NULL);/1+MagcvLog(image_Re,image_Re);/log(1+Mag)/RearrangethequadrantsofFourierimagesothattheoriginisat/theimagecentercvShiftDFT(image_Re,image_Re);cvMinMaxLoc(image_Re,人脸检测,本程序可以对输入的图像或者视频进行人脸检测，运行结果如下图：,#includecv.h#includehighgui.h#include#include#include#include#include#include#include#include#include#ifdef_EiC#defineWIN32#endifstaticCvMemStorage*storage=0;staticCvHaarClassifierCascade*cascade=0;voiddetect_and_draw(IplImage*image);constchar*cascade_name=haarcascade_frontalface_alt.xml;/*haarcascade_profileface.xml;*/,intmain(intargc,char*argv)CvCapture*capture=0;IplImage*frame,*frame_copy=0;intoptlen=strlen(-cascade=);constchar*input_name;if(argc1,if(!cascade)fprintf(stderr,ERROR:Couldnotloadclassifiercascaden);fprintf(stderr,Usage:facedetect-cascade=filename|camera_indexn);return-1;storage=cvCreateMemStorage(0);if(!input_name|(isdigit(input_name0),if(capture)for(;)if(!cvGrabFrame(capture)break;frame=cvRetrieveFrame(capture);if(!frame)break;if(!frame_copy)frame_copy=cvCreateImage(cvSize(frame-width,frame-height),IPL_DEPTH_8U,frame-nChannels);if(frame-origin=IPL_ORIGIN_TL)cvCopy(frame,frame_copy,0);elsecvFlip(frame,frame_copy,0);detect_and_draw(frame_copy);if(cvWaitKey(10)=0)break;cvReleaseImage(,elseconstchar*filename=input_name?input_name:(char*)lena.jpg;IplImage*image=cvLoadImage(filename,1);if(image)detect_and_draw(image);cvWaitKey(0);cvReleaseImage(,while(len0,voiddetect_and_draw(IplImage*img)staticCvScalarcolors=0,0,255,0,128,255,0,255,255,0,255,0,255,128,0,255,255,0,255,0,0,255,0,255;,doublescale=1.3;IplImage*gray=cvCreateImage(cvSize(img-width,img-height),8,1);IplImage*small_img=cvCreateImage(cvSize(cvRound(img-width/scale),cvRound(img-height/scale),8,1);inti;cvCvtColor(img,gray,CV_BGR2GRAY);cvResize(gray,small_img,CV_INTER_LINEAR);cvEqualizeHist(small_img,small_img);cvClearMemStorage(storage);,if(cascade)doublet=(double)cvGetTickCount();CvSeq*faces=cvHaarDetectObjects(small_img,cascade,storage,1.1,2,0/*CV_HAAR_DO_CANNY_PRUNING*/,cvSize(30,30);t=(double)cvGetTickCount()-t;printf(detectiontime=%gmsn,t/(double)cvGetTickFrequency()*1000.);for(i=0;itotal:0);i+)CvRect*r=(CvRect*)cvGetSeqElem(faces,i);CvPointcenter;intradius;center.x=cvRound(r-x+r-width*0.5)*scale);center.y=cvRound(r-y+r-height*0.5)*scale);radius=cvRound(r-width+r-height)*0.25*scale);cvCircle(img,center,radius,colorsi%8,3,8,0);cvShowImage(result,img);cvReleaseImage(,QR分解,#includestdafx.h#include#includeusingnamespacestd;#pragmacomment(lib,cxcore.lib)#pragmacomment(lib,highgui.lib)voidcvQR(CvMat*inputA,CvMat*q,CvMat*r)CvSizeinputSize=cvGetSize(inputA);intwidth=inputSize.width;intheight=inputSize.height;cvSetIdentity(q);cvCopy(inputA,r);vectormatMem;,CvMat*tempH=cvCreateMat(height,height,CV_32FC1);matMem.push_back(,floatval2=cvNorm(v);if(val2=0)continue;val2*=val2;val2=1/val2;cvTranspose(v,transV);cvMatMul(v,transV,tempH);/cvScale(tempH,tempH,2*val2);cvSetIdentity(iMat);/theidentitymatrixcvSub(iMat,tempH,iMat);cvCopy(iMat,tempH);/gettheHmatrixcvTranspose(tempH,tempH);/transposecvMatMul(q,tempH,q);/q=q.hcvGetCol(r,if(temp.rows=0|temp.cols=0)memcpy(temp.data.fl,b,sizeof(float);elsecvZero(,绘制贝赛尔Bezier曲线,在opencv下实现贝赛尔曲线.可以修改控制点，连接多条曲线，修改曲线精度等操作。程序示例如下:,/TrainingTools.cpp:定义控制台应用程序的入口点。/#includestdafx.h#include#include#include#include#include#includeusingnamespacestd;constintWW_MAX_MARK_COUNT=40;/最大40个控制点intmark_count=4;intconner_pt_index=-1;CvPoint3D32fControl_ptsWW_MAX_MARK_COUNT;IplImage*image=0;/原始图像boolis_showControlLines=true;,/两个向量相加，p=p+qCvPoint3D32fpointAdd(CvPoint3D32fp,CvPoint3D32fq)p.x+=q.x;p.y+=q.y;p.z+=q.z;returnp;/向量和标量相乘p=c*pCvPoint3D32fpointTimes(floatc,CvPoint3D32fp)p.x*=c;p.y*=c;p.z*=c;returnp;/计算贝塞尔方程的值/变量u的范围在0-1之间/P1*t3+P2*3*t2*(1-t)+P3*3*t*(1-t)2+P4*(1-t)3=PnewCvPoint3D32fBernstein(floatu,CvPoint3D32f*p)CvPoint3D32fa,b,c,d,r;a=pointTimes(pow(u,3),p0);b=pointTimes(3*pow(u,2)*(1-u),p1);c=pointTimes(3*u*pow(1-u),2),p2);d=pointTimes(pow(1-u),3),p3);r=pointAdd(pointAdd(a,b),pointAdd(c,d);returnr;,/画控制线voidDrawControlLine(CvPoint3D32f*p)CvPointpc4;for(inti=0;i4;i+)pci.x=(int)pi.x;pci.y=(int)pi.y;cvLine(image,pc0,pc1,CV_RGB(0,0,255),1,CV_AA,0);cvLine(image,pc2,pc3,CV_RGB(0,0,255),1,CV_AA,0);,/得到最近Control_pts的indexintgetNearPointIndex(CvPointmouse_pt)CvPointpt;for(inti=0;imark_count;i+)pt.x=mouse_pt.x-(int)Control_ptsi.x;pt.y=mouse_pt.y-(int)Control_ptsi.y;floatdistance=sqrt(float)(pt.x*pt.x+pt.y*pt.y);if(distance10)returni;return-1;,voidon_mouse(intevent,intx,inty,intflags,void*param)if(event=CV_EVENT_LBUTTONDOWN)CvPointpt=cvPoint(x,y);/cout-1)conner_pt_index=-1;elseconner_pt_index=getNearPointIndex(pt);/添加新的控制点if(conner_pt_index=-1)if(mark_count-1)Control_ptsconner_pt_index.x=(float)x;Control_ptsconner_pt_index.y=(float)y;,intmain(intargc,char*argv)CvSizeimage_sz=cvSize(1000,1000);image=cvCreateImage(image_sz,8,3);cvNamedWindow(Win,0);cvSetMouseCallback(Win,on_mouse,0);cvResizeWindow(Win,500,500);cout=BeziercurveDEMO=endl;coutendl;cout1.usemousetoclickcontrolpoint(red)toselectacontrolpointendl;cout2.usemousetomodifycontrolpointendl;cout3.clickmouseonsomewheretoaddacontrolpoint,addthreepointsforaddanewcurveendl;cout4.useW,Stoaddprecisionorreduceprecision.endl;cout5.pressZtoshowcontrolpoints.endl;cout=pressESCtoexit=endl,/初始化四个控制点Control_pts0.x=200;Control_pts0.y=200;Control_pts0.z=0;Control_pts1.x=300;Control_pts1.y=500;Control_pts1.z=0;Control_pts2.x=400;Control_pts2.y=560;Control_pts2.z=0;Control_pts3.x=500;Control_pts3.y=100;Control_pts3.z=0;intdivs=50;/控制精细度,for(;)CvPointpt_now,pt_pre;cvZero(image);/绘制控制点if(is_showControlLines)for(inti=0;imark_count;i+)CvPointptc;ptc.x=(int)Control_ptsi.x;ptc.y=(int)Control_ptsi.y;cvCircle(image,ptc,4,CV_RGB(255,0,0),1,CV_AA,0);,/绘制Bezier曲线CvPoint3D32f*pControls=Control_pts;for(intj=0;j0)cvLine(image,pt_now,pt_pre,CV_RGB(230,255,0),2,CV_AA,0);pt_pre=pt_now;,/画控制线if(is_showControlLines)DrawControlLine(pControls);pControls+=3;cvShowImage(Win,image);intkeyCode=cvWaitKey(20);if(keyCode=27)break;if(keyCode=w|keyCode=W)divs+=2;if(keyCode=s|keyCode=S)divs-=2;if(keyCode=z|keyCode=Z)is_showControlLines=is_showControlLines1;/coutprecision:divsSettingsfor:(Allconfigurations