Files
Happy-Reconstruction/Classes/cvtools.cpp
2020-05-05 23:30:52 +08:00

67 lines
2.1 KiB
C++

#include "cvtools.h"
#include <vector>
#include "Camera.h"
namespace cvtools {
QImage cvMat2qImage(cv::Mat mat){
// 8-bits unsigned, NO. OF CHANNELS=1
if(mat.type()==CV_8UC1) {
// Set the color table (used to tranMVate colour indexes to qRgb values)
QVector<QRgb> colorTable;
for (int i=0; i<256; i++)
colorTable.push_back(qRgb(i,i,i));
// Copy input Mat
QImage img((const uchar*)mat.data, mat.cols, mat.rows, mat.step, QImage::Format_Indexed8);
img.setColorTable(colorTable);
return img;
} else if(mat.type()==CV_8UC3) {
// Copy input Mat
QImage img((const uchar*)mat.data, mat.cols, mat.rows, mat.step, QImage::Format_RGB888);
return img;
} else if(mat.type()==CV_16UC1) {
mat.convertTo(mat, CV_8UC1, 1.0/256.0);
return cvMat2qImage(mat);
} else if(mat.type()==CV_16UC3) {
mat.convertTo(mat, CV_8UC3, 1.0/256.0);
return cvMat2qImage(mat);
} else if(mat.type()==CV_32FC1) {
cv::Mat rgb(mat.size(), CV_32FC3);
rgb.addref();
cv::cvtColor(mat, rgb, cv::COLOR_GRAY2RGB);
// Copy input Mat
QImage img((const uchar*)rgb.data, rgb.cols, rgb.rows, rgb.step, QImage::Format_RGB32);
rgb.release();
return img;
} else {
std::cerr << "SMVideoWidget: cv::Mat could not be converted to QImage!";
return QImage();
}
}
cv::Mat Matx33dToMat(cv::Matx33d mat) {
return cv::Mat(mat);
}
cv::Mat Vec3fToMat(cv::Vec<float, 3> vec) {
return (cv::Mat(vec));
}
cv::Mat camFrame2Mat(CameraFrame camFrame) {
cv::Mat frameCV(camFrame.height, camFrame.width, CV_8UC3, camFrame.memory);
frameCV = frameCV.clone();
std::vector<cv::Mat> bgr, rgb;
split(frameCV, bgr);
rgb.resize(3);
rgb[0] = bgr[2];
rgb[1] = bgr[1];
rgb[2] = bgr[0];
cv::merge(rgb, frameCV);
return frameCV;
}
}