gallerytoolbar.cpp
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#include <QDateTime>
#include <QDir>
#include <QFileDialog>
#include <QIcon>
#include <QMessageBox>
#include <QSharedPointer>
#include <QSize>
#include <QStandardPaths>
#include <QtConcurrentRun>
#include <opencv2/highgui/highgui.hpp>
#include <assert.h>
#include <openbr_plugin.h>
#include "gallerytoolbar.h"
#include "utility.h"
/**** GALLERY ****/
/*** STATIC ***/
QMutex br::GalleryToolBar::galleryLock;
/*** PUBLIC ***/
br::GalleryToolBar::GalleryToolBar(QWidget *parent)
: QToolBar("Gallery", parent)
{
lGallery.setAlignment(Qt::AlignCenter);
lGallery.setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
tbOpenFile.setIcon(QIcon(":/glyphicons/png/glyphicons_138_picture@2x.png"));
tbOpenFile.setToolTip("Load Photo");
tbOpenFolder.setIcon(QIcon(":/glyphicons/png/glyphicons_144_folder_open@2x.png"));
tbOpenFolder.setToolTip("Load Photo Folder");
tbWebcam.setCheckable(true);
tbWebcam.setIcon(QIcon(":/glyphicons/png/glyphicons_301_webcam@2x.png"));
tbWebcam.setToolTip("Load Webcam");
tbBack.setEnabled(false);
tbBack.setIcon(QIcon(":/glyphicons/png/glyphicons_221_unshare@2x.png"));
tbBack.setToolTip("Back");
tbMean.setIcon(QIcon(":/glyphicons/png/glyphicons_003_user@2x.png"));
tbMean.setToolTip("Mean Image");
addWidget(&tbOpenFile);
addWidget(&tbOpenFolder);
addWidget(&tbWebcam);
addSeparator();
addWidget(&lGallery);
addSeparator();
addWidget(&tbBack);
addWidget(&tbMean);
setIconSize(QSize(20,20));
connect(&tbOpenFile, SIGNAL(clicked()), this, SLOT(openFile()));
connect(&tbOpenFolder, SIGNAL(clicked()), this, SLOT(openFolder()));
connect(&tbBack, SIGNAL(clicked()), this, SLOT(home()));
connect(&tbMean, SIGNAL(clicked()), this, SLOT(mean()));
connect(&enrollmentWatcher, SIGNAL(finished()), this, SLOT(enrollmentFinished()));
connect(&timer, SIGNAL(timeout()), this, SLOT(checkWebcam()));
timer.start(500);
}
/*** PUBLIC SLOTS ***/
void br::GalleryToolBar::enroll(const br::File &input)
{
if (input.isNull()) return;
enrollmentWatcher.setFuture(QtConcurrent::run(this, &GalleryToolBar::_enroll, input));
}
void br::GalleryToolBar::enroll(const QImage &input)
{
QString tempFileName = br::Context::scratchPath() + "/tmp/" + QDateTime::currentDateTime().toString("yyyy-MM-ddThh:mm:ss:zzz") + ".png";
input.save(tempFileName);
enroll(tempFileName);
}
void br::GalleryToolBar::select(const br::File &file)
{
tbBack.setEnabled(true);
emit newFiles(br::FileList() << file);
emit newGallery(file);
}
/*** PRIVATE ***/
void br::GalleryToolBar::_enroll(const br::File &input)
{
galleryLock.lock();
this->input = input;
if (input.suffix() == "gal") gallery = input.name + ".mem";
else gallery = QString("%1/galleries/%2.gal[cache]").arg(br_scratch_path(), qPrintable(input.baseName()+input.hash()));
files = br::Enroll(input.flat(), gallery.flat());
galleryLock.unlock();
}
void br::GalleryToolBar::_checkWebcam()
{
static QSharedPointer<cv::VideoCapture> videoCapture;
if (videoCapture.isNull()) {
videoCapture = QSharedPointer<cv::VideoCapture>(new cv::VideoCapture(0));
cv::Mat m;
while (!m.data) videoCapture->read(m); // First frames can be empty
}
if (galleryLock.tryLock()) {
cv::Mat m;
videoCapture->read(m);
galleryLock.unlock();
enroll(toQImage(m));
}
}
/*** PRIVATE SLOTS ***/
void br::GalleryToolBar::checkWebcam()
{
// Check webcam
if (!tbWebcam.isChecked()) return;
QtConcurrent::run(this, &GalleryToolBar::_checkWebcam);
}
void br::GalleryToolBar::enrollmentFinished()
{
if (files.isEmpty()) {
if (input.getBool("enrollAll") && !tbWebcam.isChecked()) {
QMessageBox msgBox;
msgBox.setText("Quality test failed.");
msgBox.setInformativeText("Enroll anyway?");
msgBox.setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);
msgBox.setDefaultButton(QMessageBox::Ok);
int ret = msgBox.exec();
if (ret == QMessageBox::Ok) {
br::File file = input;
file.setBool("enrollAll", false);
enroll(file);
}
}
return;
}
lGallery.setText(input.baseName() + (files.size() != 1 ? " (" + QString::number(files.size()) + ")" : ""));
tbBack.setEnabled(false);
emit newFiles(files);
emit newGallery(gallery);
}
void br::GalleryToolBar::home()
{
tbBack.setEnabled(false);
emit newGallery(gallery);
}
void br::GalleryToolBar::mean()
{
const QString file = QString("%1/mean/%2.png").arg(br_scratch_path(), input.baseName()+input.hash());
br_set_property("CENTER_TRAIN_B", qPrintable(file));
br::File trainingFile = input;
br_train(qPrintable(trainingFile.flat()), "[algorithm=MedianFace]");
enroll(file);
}
void br::GalleryToolBar::openFile()
{
enroll(QFileDialog::getOpenFileName(this, "Select Photo", QStandardPaths::standardLocations(QStandardPaths::PicturesLocation).first()));
}
void br::GalleryToolBar::openFolder()
{
enroll(QFileDialog::getExistingDirectory(this, "Select Photo Directory", QStandardPaths::standardLocations(QStandardPaths::HomeLocation).first()));
}
#include "moc_gallerytoolbar.cpp"