Mat转CImage

uchar *pImg=(uchar *)CI.GetBits();//得到CImage数据区地址

ps=img.ptr<uchar>(i);

 

void MatToCImage( Mat &mat, CImage &cImage) {//create new CImageint width = mat.cols;int height = mat.rows;int channels = mat.channels();cImage.Destroy(); //clearcImage.Create(width, height,8*channels ); //默认图像像素单通道占用1个字节//copy valuesuchar* ps;uchar* pimg = (uchar*)cImage.GetBits(); //A pointer to the bitmap bufferint step = cImage.GetPitch();for (int i = 0; i < height; ++i){ps = (mat.ptr<uchar>(i));for ( int j = 0; j < width; ++j ){if ( channels == 1 ) //gray {*(pimg + i*step + j) = ps[j];}else if ( channels == 3 ) //color {for (int k = 0 ; k < 3; ++k ){*(pimg + i*step + j*3 + k ) = ps[j*3 + k];} }} } }

 

//cImage数据存到pbImage，后再转换为源灰度图pbSrciPitch=cImage.GetPitch();iBytePerPixel=(cImage.GetBPP()+7)/8;if(iBytePerPixel==3){for(y=0;y<iHeight;y++){ //load的图像数据放到pbImagepbImage=(PBYTE)(PBYTE(cImage.GetBits())+iPitch*y);//得到的是图像初始像素地址for(x=0;x<iWidth;x++){//pbImage转换为灰度图pbSrcpbSrc[y*iWidth+x]=(pbImage[3*x]*0.15+pbImage[3*x+1]*0.55+pbImage[3*x+2]*0.3);}}}cImage.Destroy();

 

 

【转载自】

OpenCV中Mat对象转CImage - 挨踢生涯 - CSDN博客 https://blog.csdn.net/xianglifighter/article/details/38319903

 

转载于:https://www.cnblogs.com/wxl845235800/p/11237061.html

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