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#include "SMVideoWidget.h"
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#include "cvtools.h"
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SMVideoWidget::SMVideoWidget(QWidget *parent) : QLabel(parent){
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}
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static QImage cvMat2qImage(cv::Mat mat){
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// 8-bits unsigned, raw bayer image
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if(mat.type()==CV_8UC1) {
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cv::Mat rgb;
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cv::cvtColor(mat, rgb, CV_BayerBG2RGB);
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QImage img((const uchar*)rgb.data, rgb.cols, rgb.rows, rgb.step, QImage::Format_RGB888);
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img = img.copy();
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return img;
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// 8-bit unsigned rgb image
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} else if(mat.type()==CV_8UC3) {
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// Copy input Mat
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QImage img((const uchar*)mat.data, mat.cols, mat.rows, mat.step, QImage::Format_RGB888);
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return img;
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// 16-bit unsigned, raw bayer image
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} else if(mat.type()==CV_16UC1) {
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cv::Mat mat8bit = mat.clone();
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cvtools::rshift(mat8bit, 8);
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mat8bit.convertTo(mat8bit, CV_8UC1);
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cv::Mat rgb;
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cv::cvtColor(mat8bit, rgb, CV_BayerBG2RGB);
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QImage img((const uchar*)rgb.data, rgb.cols, rgb.rows, rgb.step, QImage::Format_RGB888);
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img = img.copy();
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return img;
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// 16-bit unsigned rgb image
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} else if(mat.type()==CV_16UC3) {
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mat.convertTo(mat, CV_8UC3, 1.0/256.0);
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return cvMat2qImage(mat);
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// 32bit floating point gray-scale image
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} else if(mat.type()==CV_32FC1) {
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cv::Mat rgb(mat.size(), CV_32FC3);
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cv::cvtColor(mat, rgb, cv::COLOR_GRAY2RGB);
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QImage img((const uchar*)rgb.data, rgb.cols, rgb.rows, rgb.step, QImage::Format_RGB32);
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img = img.copy();
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return img;
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} else if(mat.type()==CV_32FC3) {
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QImage img((const uchar*)mat.data, mat.cols, mat.rows, mat.step, QImage::Format_RGB32);
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img = img.copy();
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return img;
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} else {
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std::cerr << "SMVideoWidget: cv::Mat could not be converted to QImage!";
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return QImage();
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}
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// 8-bit unsigned gray-scale image
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// } else if(mat.type()==CV_8UC1) {
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// // Set the color table (used to tranMVate colour indexes to qRgb values)
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// QVector<QRgb> colorTable;
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// for (int i=0; i<256; i++)
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// colorTable.push_back(qRgb(i,i,i));
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// // Copy input Mat
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// QImage img((const uchar*)mat.data, mat.cols, mat.rows, mat.step, QImage::Format_Indexed8);
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// img.setColorTable(colorTable);
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// return img;
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}
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void SMVideoWidget::showImageCV(cv::Mat image){
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if(image.rows){
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QImage qimage = cvMat2qImage(image);
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// correct size only if label has no borders/frame!
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int w = this->width();
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int h = this->height();
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pixmap = QPixmap::fromImage(qimage);
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this->setPixmap(pixmap.scaled(w,h,Qt::KeepAspectRatio));
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}
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}
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void SMVideoWidget::resizeEvent(QResizeEvent *event){
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if(!pixmap.isNull()){
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// correct size only if label has no borders/frame!
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int w = event->size().width();
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int h = event->size().height();
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this->setPixmap(pixmap.scaled(w,h,Qt::KeepAspectRatio));
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}
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}
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