From ac9607a9152e704b4b0a736a6c94d36acbb0351b Mon Sep 17 00:00:00 2001 From: Jan Grewe Date: Wed, 11 Mar 2020 10:09:13 +0100 Subject: [PATCH] renaming --- imageviewer.cpp | 373 ----------------------------------------- imageviewer.h | 86 ---------- main.cpp | 8 +- pylonrecorder.cpp | 410 ++++++++++++++++++++++++++++++++++++++++------ pylonrecorder.h | 91 +++++++--- pylonwrapper.cpp | 71 ++++++++ pylonwrapper.h | 33 ++++ recorder.pro | 12 +- 8 files changed, 543 insertions(+), 541 deletions(-) delete mode 100644 imageviewer.cpp delete mode 100644 imageviewer.h create mode 100644 pylonwrapper.cpp create mode 100644 pylonwrapper.h diff --git a/imageviewer.cpp b/imageviewer.cpp deleted file mode 100644 index 726aa93..0000000 --- a/imageviewer.cpp +++ /dev/null @@ -1,373 +0,0 @@ -#include "imageviewer.h" - -#include -#include -//nclude -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#if defined(QT_PRINTSUPPORT_LIB) -# include - -# if QT_CONFIG(printdialog) -# include -# endif -#endif - -ImageViewer::ImageViewer(QWidget *parent) - : QMainWindow(parent), imageLabel(new QLabel), scrollArea(new QScrollArea) -{ - imageLabel->setBackgroundRole(QPalette::Base); - imageLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored); - imageLabel->setScaledContents(true); - - scrollArea->setBackgroundRole(QPalette::Dark); - scrollArea->setWidget(imageLabel); - scrollArea->setVisible(false); - setCentralWidget(scrollArea); - pylon = new PylonRecorder(); - createActions(); - updateActions(); - resize(QGuiApplication::primaryScreen()->availableSize() * 3 / 5); - -} - -ImageViewer::~ImageViewer(){ - delete pylon; -} - -bool ImageViewer::loadFile(const QString &fileName) { - QImageReader reader(fileName); - reader.setAutoTransform(true); - const QImage newImage = reader.read(); - if (newImage.isNull()) { - QMessageBox::information(this, QGuiApplication::applicationDisplayName(), - tr("Cannot load %1: %2") - .arg(QDir::toNativeSeparators(fileName), reader.errorString())); - return false; - } - - setImage(newImage); - - setWindowFilePath(fileName); - - const QString message = tr("Opened \"%1\", %2x%3, Depth: %4") - .arg(QDir::toNativeSeparators(fileName)).arg(image.width()).arg(image.height()).arg(image.depth()); - statusBar()->showMessage(message); - return true; -} - -void ImageViewer::setImage(const QImage &newImage) { - image = newImage; - // (image.colorSpace().isValid()) - // image.convertToColorSpace(QColorSpace::SRgb); - imageLabel->setPixmap(QPixmap::fromImage(image)); - scaleFactor = 1.0; - - scrollArea->setVisible(true); - printAct->setEnabled(true); - fitToWindowAct->setEnabled(true); - updateActions(); - - if (!fitToWindowAct->isChecked()) - imageLabel->adjustSize(); -} - -bool ImageViewer::saveFile(const QString &fileName) { - QImageWriter writer(fileName); - - if (!writer.write(image)) { - QMessageBox::information(this, QGuiApplication::applicationDisplayName(), - tr("Cannot write %1: %2") - .arg(QDir::toNativeSeparators(fileName)), writer.errorString()); - return false; - } - const QString message = tr("Wrote \"%1\"").arg(QDir::toNativeSeparators(fileName)); - statusBar()->showMessage(message); - return true; -} - -static void initializeImageFileDialog(QFileDialog &dialog, QFileDialog::AcceptMode acceptMode) { - static bool firstDialog = true; - - if (firstDialog) { - firstDialog = false; - const QStringList picturesLocations = QStandardPaths::standardLocations(QStandardPaths::PicturesLocation); - dialog.setDirectory(picturesLocations.isEmpty() ? QDir::currentPath() : picturesLocations.last()); - } - - QStringList mimeTypeFilters; - const QByteArrayList supportedMimeTypes = acceptMode == QFileDialog::AcceptOpen - ? QImageReader::supportedMimeTypes() : QImageWriter::supportedMimeTypes(); - for (const QByteArray &mimeTypeName : supportedMimeTypes) - mimeTypeFilters.append(mimeTypeName); - mimeTypeFilters.sort(); - dialog.setMimeTypeFilters(mimeTypeFilters); - dialog.selectMimeTypeFilter("image/jpeg"); - if (acceptMode == QFileDialog::AcceptSave) - dialog.setDefaultSuffix("jpg"); -} - -void ImageViewer::open() { - QFileDialog dialog(this, tr("Open File")); - initializeImageFileDialog(dialog, QFileDialog::AcceptOpen); - - while (dialog.exec() == QDialog::Accepted && !loadFile(dialog.selectedFiles().first())) {} -} - -void ImageViewer::saveAs() { - QFileDialog dialog(this, tr("Save File As")); - initializeImageFileDialog(dialog, QFileDialog::AcceptSave); - - while (dialog.exec() == QDialog::Accepted && !saveFile(dialog.selectedFiles().first())) {} -} - -void ImageViewer::print() { - Q_ASSERT(imageLabel->pixmap()); -#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printdialog) - - QPrintDialog dialog(&printer, this); - - if (dialog.exec()) { - QPainter painter(&printer); - QRect rect = painter.viewport(); - QSize size = imageLabel->pixmap()->size(); - size.scale(rect.size(), Qt::KeepAspectRatio); - painter.setViewport(rect.x(), rect.y(), size.width(), size.height()); - painter.setWindow(imageLabel->pixmap()->rect()); - painter.drawPixmap(0, 0, *imageLabel->pixmap()); - } -#endif -} - -void ImageViewer::copy() { -#ifndef QT_NO_CLIPBOARD - QGuiApplication::clipboard()->setImage(image); -#endif // !QT_NO_CLIPBOARD -} - -#ifndef QT_NO_CLIPBOARD -static QImage clipboardImage() { - if (const QMimeData *mimeData = QGuiApplication::clipboard()->mimeData()) { - if (mimeData->hasImage()) { - const QImage image = qvariant_cast(mimeData->imageData()); - if (!image.isNull()) - return image; - } - } - return QImage(); -} -#endif // !QT_NO_CLIPBOARD - -void ImageViewer::paste() { -#ifndef QT_NO_CLIPBOARD - const QImage newImage = clipboardImage(); - if (newImage.isNull()) { - statusBar()->showMessage(tr("No image in clipboard")); - } else { - setImage(newImage); - setWindowFilePath(QString()); - const QString message = tr("Obtained image from clipboard, %1x%2, Depth: %3") - .arg(newImage.width()).arg(newImage.height()).arg(newImage.depth()); - statusBar()->showMessage(message); - } -#endif // !QT_NO_CLIPBOARD -} - -void ImageViewer::zoomIn() { - scaleImage(1.25); -} - -void ImageViewer::zoomOut() -{ - scaleImage(0.8); -} - -void ImageViewer::normalSize() { - imageLabel->adjustSize(); - scaleFactor = 1.0; -} - -void ImageViewer::fitToWindow() { - bool fitToWindow = fitToWindowAct->isChecked(); - scrollArea->setWidgetResizable(fitToWindow); - if (!fitToWindow) - normalSize(); - updateActions(); -} - -void ImageViewer::about() { - QMessageBox::about(this, tr("About Image Viewer"), - tr("

The Image Viewer example shows how to combine QLabel " - "and QScrollArea to display an image. QLabel is typically used " - "for displaying a text, but it can also display an image. " - "QScrollArea provides a scrolling view around another widget. " - "If the child widget exceeds the size of the frame, QScrollArea " - "automatically provides scroll bars.

The example " - "demonstrates how QLabel's ability to scale its contents " - "(QLabel::scaledContents), and QScrollArea's ability to " - "automatically resize its contents " - "(QScrollArea::widgetResizable), can be used to implement " - "zooming and scaling features.

In addition the example " - "shows how to use QPainter to print an image.

")); -} - -void ImageViewer::createActions() { - const QIcon connect_icon(":/images/connect.png"); - const QIcon disconnect_icon(":/images/disconnect.png"); - - QMenu *fileMenu = menuBar()->addMenu(tr("&File")); - - QAction *openAct = fileMenu->addAction(tr("&Open..."), this, &ImageViewer::open); - openAct->setShortcut(QKeySequence::Open); - - saveAsAct = fileMenu->addAction(tr("&Save As..."), this, &ImageViewer::saveAs); - saveAsAct->setEnabled(false); - - printAct = fileMenu->addAction(tr("&Print..."), this, &ImageViewer::print); - printAct->setShortcut(QKeySequence::Print); - printAct->setEnabled(false); - - fileMenu->addSeparator(); - - QAction *exitAct = fileMenu->addAction(tr("E&xit"), this, &ImageViewer::quitApplication); - exitAct->setShortcut(tr("Ctrl+Q")); - - QMenu *editMenu = menuBar()->addMenu(tr("&Edit")); - - copyAct = editMenu->addAction(tr("&Copy"), this, &ImageViewer::copy); - copyAct->setShortcut(QKeySequence::Copy); - copyAct->setEnabled(false); - - QAction *pasteAct = editMenu->addAction(tr("&Paste"), this, &ImageViewer::paste); - pasteAct->setShortcut(QKeySequence::Paste); - - QMenu *viewMenu = menuBar()->addMenu(tr("&View")); - - zoomInAct = viewMenu->addAction(tr("Zoom &In (25%)"), this, &ImageViewer::zoomIn); - zoomInAct->setShortcut(QKeySequence::ZoomIn); - zoomInAct->setEnabled(false); - - zoomOutAct = viewMenu->addAction(tr("Zoom &Out (25%)"), this, &ImageViewer::zoomOut); - zoomOutAct->setShortcut(QKeySequence::ZoomOut); - zoomOutAct->setEnabled(false); - - normalSizeAct = viewMenu->addAction(tr("&Normal Size"), this, &ImageViewer::normalSize); - normalSizeAct->setShortcut(tr("Ctrl+S")); - normalSizeAct->setEnabled(false); - - viewMenu->addSeparator(); - - fitToWindowAct = viewMenu->addAction(tr("&Fit to Window"), this, &ImageViewer::fitToWindow); - fitToWindowAct->setEnabled(false); - fitToWindowAct->setCheckable(true); - fitToWindowAct->setShortcut(tr("Ctrl+F")); - - QMenu *camera_menu = menuBar()->addMenu(tr("&Camera")); - connect_camera_action = camera_menu->addAction(connect_icon, tr("&Connect"), this, &ImageViewer::connectCamera); - connect_camera_action->setStatusTip(tr("Connect to to camera and open device")); - disconnect_camera_action = camera_menu->addAction(disconnect_icon, tr("&Disconnect"), this, &ImageViewer::disconnectCamera); - disconnect_camera_action->setStatusTip(tr("Disconnect from the camera device")); - camera_menu->addSeparator(); - grab_still_action = camera_menu->addAction(tr("&Grab still"), this, &ImageViewer::grabStillFromPylon); - grab_still_action->setStatusTip(tr("Grab single image from Pylon camera")); - grab_still_action->setShortcut(tr("Ctrl+ ")); - grab_continuous_action = camera_menu->addAction(tr("&grab continuous"), this, &ImageViewer::startRecording); - grab_continuous_action->setShortcut(tr("Ctrl+Enter")); - - QMenu *helpMenu = menuBar()->addMenu(tr("&Help")); - helpMenu->addAction(tr("&About"), this, &ImageViewer::about); - helpMenu->addAction(tr("About &Qt"), &QApplication::aboutQt); - - QToolBar *toolbar = addToolBar("main toolbar"); - toolbar->addSeparator(); - toolbar->addAction(connect_camera_action); - toolbar->addAction(disconnect_camera_action); - toolbar->addSeparator(); - toolbar->addAction(grab_still_action); -} - -void ImageViewer::updateActions() { - saveAsAct->setEnabled(!image.isNull()); - copyAct->setEnabled(!image.isNull()); - zoomInAct->setEnabled(!fitToWindowAct->isChecked()); - zoomOutAct->setEnabled(!fitToWindowAct->isChecked()); - normalSizeAct->setEnabled(!fitToWindowAct->isChecked()); - disconnect_camera_action->setEnabled(pylon->isOpen()); - connect_camera_action->setEnabled(!pylon->isOpen()); - grab_still_action->setEnabled(pylon->isOpen()); - grab_continuous_action->setEnabled(false); -} - -void ImageViewer::scaleImage(double factor) { - Q_ASSERT(imageLabel->pixmap()); - scaleFactor *= factor; - imageLabel->resize(scaleFactor * imageLabel->pixmap()->size()); - - adjustScrollBar(scrollArea->horizontalScrollBar(), factor); - adjustScrollBar(scrollArea->verticalScrollBar(), factor); - - zoomInAct->setEnabled(scaleFactor < 3.0); - zoomOutAct->setEnabled(scaleFactor > 0.333); -} - -void ImageViewer::quitApplication() { - if (pylon->isOpen()) { - pylon->closeCamera(); - } - //pylon->terminate(); - this->close(); -} - -void ImageViewer::adjustScrollBar(QScrollBar *scrollBar, double factor) { - scrollBar->setValue(int(factor * scrollBar->value() - + ((factor - 1) * scrollBar->pageStep()/2))); -} - -void ImageViewer::connectCamera() { - std::string message; - pylon->openCamera(message); - statusBar()->showMessage(QString::fromStdString(message)); - updateActions(); -} - - -void ImageViewer::disconnectCamera() { - pylon->closeCamera(); - statusBar()->showMessage(tr("Camera closed!")); - updateActions(); -} - -void ImageViewer::startRecording() {} - -void ImageViewer::stopRecording() {} - -void ImageViewer::grabStillFromPylon() { - if (pylon->isOpen()) { - ImageSettings settings = pylon->getImageSettings(); - Pylon::CGrabResultPtr image_ptr = pylon->grabFrame(); - if (image_ptr.IsValid() && image_ptr->GrabSucceeded()) { - size_t stride; - image_ptr->GetStride(stride); - QImage img(static_cast(image_ptr->GetBuffer()), static_cast(settings.width), static_cast(settings.height), - QImage::Format::Format_Grayscale8); - setImage(img); - } - } else { - statusBar()->showMessage(tr("Camera is not open! Connect to camera first!")); - } -} diff --git a/imageviewer.h b/imageviewer.h deleted file mode 100644 index 1e9728b..0000000 --- a/imageviewer.h +++ /dev/null @@ -1,86 +0,0 @@ -#ifndef IMAGEVIEWER_H -#define IMAGEVIEWER_H - -#include -#include "pylonrecorder.h" -#include -#if defined(QT_PRINTSUPPORT_LIB) -# include - -# if QT_CONFIG(printer) -# include -# endif -#endif - -QT_BEGIN_NAMESPACE -class QAction; -class QLabel; -class QMenu; -class QScrollArea; -class QScrollBar; -QT_END_NAMESPACE - -//! [0] -class ImageViewer : public QMainWindow -{ - Q_OBJECT - -public: - ImageViewer(QWidget *parent = nullptr); - ~ImageViewer(); - - bool loadFile(const QString &); - -private slots: - void grabStillFromPylon(); - void open(); - void saveAs(); - void print(); - void copy(); - void paste(); - void zoomIn(); - void zoomOut(); - void normalSize(); - void fitToWindow(); - void about(); - void connectCamera(); - void disconnectCamera(); - void startRecording(); - void stopRecording(); - void quitApplication(); - -private: - void createActions(); - void createMenus(); - void createToolBar(); - void updateActions(); - - bool saveFile(const QString &fileName); - void setImage(const QImage &newImage); - void scaleImage(double factor); - void adjustScrollBar(QScrollBar *scrollBar, double factor); - - QImage image; - QLabel *imageLabel; - QScrollArea *scrollArea; - double scaleFactor = 1; - PylonRecorder *pylon; - -#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printer) - QPrinter printer; -#endif - - QAction *saveAsAct; - QAction *printAct; - QAction *copyAct; - QAction *zoomInAct; - QAction *zoomOutAct; - QAction *normalSizeAct; - QAction *fitToWindowAct; - QAction *grab_still_action; - QAction *grab_continuous_action; - QAction *connect_camera_action; - QAction *disconnect_camera_action; -}; - -#endif diff --git a/main.cpp b/main.cpp index 7fd1c93..35317ba 100644 --- a/main.cpp +++ b/main.cpp @@ -1,4 +1,4 @@ -#include "imageviewer.h" +#include "pylonrecorder.h" #include #include #include @@ -6,12 +6,12 @@ int main(int argc, char *argv[]) { QApplication app(argc, argv); - QGuiApplication::setApplicationDisplayName(ImageViewer::tr("Image Viewer")); + QGuiApplication::setApplicationDisplayName(PylonRecorder::tr("Image Viewer")); QCommandLineParser commandLineParser; commandLineParser.addHelpOption(); - commandLineParser.addPositionalArgument(ImageViewer::tr("[file]"), ImageViewer::tr("Image file to open.")); + commandLineParser.addPositionalArgument(PylonRecorder::tr("[file]"), PylonRecorder::tr("Image file to open.")); commandLineParser.process(QCoreApplication::arguments()); - ImageViewer imageViewer; + PylonRecorder imageViewer; if (!commandLineParser.positionalArguments().isEmpty() && !imageViewer.loadFile(commandLineParser.positionalArguments().front())) { return -1; diff --git a/pylonrecorder.cpp b/pylonrecorder.cpp index be2111e..44e9d3b 100644 --- a/pylonrecorder.cpp +++ b/pylonrecorder.cpp @@ -1,71 +1,373 @@ #include "pylonrecorder.h" -PylonRecorder::PylonRecorder(): - valid(false) { - Pylon::PylonInitialize(); - camera = new Pylon::CInstantCamera(); +#include +#include +//nclude +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#if defined(QT_PRINTSUPPORT_LIB) +# include + +# if QT_CONFIG(printdialog) +# include +# endif +#endif + +PylonRecorder::PylonRecorder(QWidget *parent) + : QMainWindow(parent), imageLabel(new QLabel), scrollArea(new QScrollArea) +{ + imageLabel->setBackgroundRole(QPalette::Base); + imageLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored); + imageLabel->setScaledContents(true); + + scrollArea->setBackgroundRole(QPalette::Dark); + scrollArea->setWidget(imageLabel); + scrollArea->setVisible(false); + setCentralWidget(scrollArea); + pylon = new PylonWrapper(); + createActions(); + updateActions(); + resize(QGuiApplication::primaryScreen()->availableSize() * 3 / 5); + } -PylonRecorder::~PylonRecorder() { - Pylon::PylonTerminate(); +PylonRecorder::~PylonRecorder(){ + delete pylon; } -void PylonRecorder::terminate() { - try { - //Pylon::PylonTerminate(); - } catch (const Pylon::GenericException &e) { - std::cerr << e.GetDescription() << std::endl; - } +bool PylonRecorder::loadFile(const QString &fileName) { + QImageReader reader(fileName); + reader.setAutoTransform(true); + const QImage newImage = reader.read(); + if (newImage.isNull()) { + QMessageBox::information(this, QGuiApplication::applicationDisplayName(), + tr("Cannot load %1: %2") + .arg(QDir::toNativeSeparators(fileName), reader.errorString())); + return false; + } + + setImage(newImage); + + setWindowFilePath(fileName); + + const QString message = tr("Opened \"%1\", %2x%3, Depth: %4") + .arg(QDir::toNativeSeparators(fileName)).arg(image.width()).arg(image.height()).arg(image.depth()); + statusBar()->showMessage(message); + return true; +} + +void PylonRecorder::setImage(const QImage &newImage) { + image = newImage; + // (image.colorSpace().isValid()) + // image.convertToColorSpace(QColorSpace::SRgb); + imageLabel->setPixmap(QPixmap::fromImage(image)); + scaleFactor = 1.0; + + scrollArea->setVisible(true); + printAct->setEnabled(true); + fitToWindowAct->setEnabled(true); + updateActions(); + + if (!fitToWindowAct->isChecked()) + imageLabel->adjustSize(); } -bool PylonRecorder::isOpen() { - return valid; +bool PylonRecorder::saveFile(const QString &fileName) { + QImageWriter writer(fileName); + + if (!writer.write(image)) { + QMessageBox::information(this, QGuiApplication::applicationDisplayName(), + tr("Cannot write %1: %2") + .arg(QDir::toNativeSeparators(fileName)), writer.errorString()); + return false; + } + const QString message = tr("Wrote \"%1\"").arg(QDir::toNativeSeparators(fileName)); + statusBar()->showMessage(message); + return true; } -ImageSettings PylonRecorder::getImageSettings() { - ImageSettings settings; - if (valid) { - Pylon::CIntegerParameter width( camera->GetNodeMap(), "Width"); - Pylon::CIntegerParameter height( camera->GetNodeMap(), "Height"); - Pylon::CEnumParameter pixelFormat( camera->GetNodeMap(), "PixelFormat"); - settings.width = width.GetValue(); - settings.height = height.GetValue(); - } - return settings; +static void initializeImageFileDialog(QFileDialog &dialog, QFileDialog::AcceptMode acceptMode) { + static bool firstDialog = true; + + if (firstDialog) { + firstDialog = false; + const QStringList picturesLocations = QStandardPaths::standardLocations(QStandardPaths::PicturesLocation); + dialog.setDirectory(picturesLocations.isEmpty() ? QDir::currentPath() : picturesLocations.last()); + } + + QStringList mimeTypeFilters; + const QByteArrayList supportedMimeTypes = acceptMode == QFileDialog::AcceptOpen + ? QImageReader::supportedMimeTypes() : QImageWriter::supportedMimeTypes(); + for (const QByteArray &mimeTypeName : supportedMimeTypes) + mimeTypeFilters.append(mimeTypeName); + mimeTypeFilters.sort(); + dialog.setMimeTypeFilters(mimeTypeFilters); + dialog.selectMimeTypeFilter("image/jpeg"); + if (acceptMode == QFileDialog::AcceptSave) + dialog.setDefaultSuffix("jpg"); } -Pylon::CGrabResultPtr PylonRecorder::grabFrame() { - Pylon::CPylonImage img; - Pylon::CGrabResultPtr ptrGrabResult; - if (valid) { - camera->StartGrabbing(); - camera->RetrieveResult( 5000, ptrGrabResult, Pylon::TimeoutHandling_ThrowException); - camera->StopGrabbing(); - } - return ptrGrabResult; -} - -bool PylonRecorder::openCamera(std::string &message) { - try { - camera->Attach(Pylon::CTlFactory::GetInstance().CreateFirstDevice()); - camera->Open(); - valid = true; - message = "Successfully opened camera!"; - } catch (const Pylon::GenericException &e) { - message = e.GetDescription(); - std::cerr << "An exception occurred." << std::endl << e.GetDescription() << std::endl; - valid = false; +void PylonRecorder::open() { + QFileDialog dialog(this, tr("Open File")); + initializeImageFileDialog(dialog, QFileDialog::AcceptOpen); + + while (dialog.exec() == QDialog::Accepted && !loadFile(dialog.selectedFiles().first())) {} +} + +void PylonRecorder::saveAs() { + QFileDialog dialog(this, tr("Save File As")); + initializeImageFileDialog(dialog, QFileDialog::AcceptSave); + + while (dialog.exec() == QDialog::Accepted && !saveFile(dialog.selectedFiles().first())) {} +} + +void PylonRecorder::print() { + Q_ASSERT(imageLabel->pixmap()); +#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printdialog) + + QPrintDialog dialog(&printer, this); + + if (dialog.exec()) { + QPainter painter(&printer); + QRect rect = painter.viewport(); + QSize size = imageLabel->pixmap()->size(); + size.scale(rect.size(), Qt::KeepAspectRatio); + painter.setViewport(rect.x(), rect.y(), size.width(), size.height()); + painter.setWindow(imageLabel->pixmap()->rect()); + painter.drawPixmap(0, 0, *imageLabel->pixmap()); + } +#endif +} + +void PylonRecorder::copy() { +#ifndef QT_NO_CLIPBOARD + QGuiApplication::clipboard()->setImage(image); +#endif // !QT_NO_CLIPBOARD +} + +#ifndef QT_NO_CLIPBOARD +static QImage clipboardImage() { + if (const QMimeData *mimeData = QGuiApplication::clipboard()->mimeData()) { + if (mimeData->hasImage()) { + const QImage image = qvariant_cast(mimeData->imageData()); + if (!image.isNull()) + return image; + } + } + return QImage(); +} +#endif // !QT_NO_CLIPBOARD + +void PylonRecorder::paste() { +#ifndef QT_NO_CLIPBOARD + const QImage newImage = clipboardImage(); + if (newImage.isNull()) { + statusBar()->showMessage(tr("No image in clipboard")); + } else { + setImage(newImage); + setWindowFilePath(QString()); + const QString message = tr("Obtained image from clipboard, %1x%2, Depth: %3") + .arg(newImage.width()).arg(newImage.height()).arg(newImage.depth()); + statusBar()->showMessage(message); + } +#endif // !QT_NO_CLIPBOARD +} + +void PylonRecorder::zoomIn() { + scaleImage(1.25); +} + +void PylonRecorder::zoomOut() +{ + scaleImage(0.8); +} + +void PylonRecorder::normalSize() { + imageLabel->adjustSize(); + scaleFactor = 1.0; +} + +void PylonRecorder::fitToWindow() { + bool fitToWindow = fitToWindowAct->isChecked(); + scrollArea->setWidgetResizable(fitToWindow); + if (!fitToWindow) + normalSize(); + updateActions(); +} + +void PylonRecorder::about() { + QMessageBox::about(this, tr("About Image Viewer"), + tr("

The Image Viewer example shows how to combine QLabel " + "and QScrollArea to display an image. QLabel is typically used " + "for displaying a text, but it can also display an image. " + "QScrollArea provides a scrolling view around another widget. " + "If the child widget exceeds the size of the frame, QScrollArea " + "automatically provides scroll bars.

The example " + "demonstrates how QLabel's ability to scale its contents " + "(QLabel::scaledContents), and QScrollArea's ability to " + "automatically resize its contents " + "(QScrollArea::widgetResizable), can be used to implement " + "zooming and scaling features.

In addition the example " + "shows how to use QPainter to print an image.

")); +} + +void PylonRecorder::createActions() { + const QIcon connect_icon(":/images/connect.png"); + const QIcon disconnect_icon(":/images/disconnect.png"); + + QMenu *fileMenu = menuBar()->addMenu(tr("&File")); + + QAction *openAct = fileMenu->addAction(tr("&Open..."), this, &PylonRecorder::open); + openAct->setShortcut(QKeySequence::Open); + + saveAsAct = fileMenu->addAction(tr("&Save As..."), this, &PylonRecorder::saveAs); + saveAsAct->setEnabled(false); + + printAct = fileMenu->addAction(tr("&Print..."), this, &PylonRecorder::print); + printAct->setShortcut(QKeySequence::Print); + printAct->setEnabled(false); + + fileMenu->addSeparator(); + + QAction *exitAct = fileMenu->addAction(tr("E&xit"), this, &PylonRecorder::quitApplication); + exitAct->setShortcut(tr("Ctrl+Q")); + + QMenu *editMenu = menuBar()->addMenu(tr("&Edit")); + + copyAct = editMenu->addAction(tr("&Copy"), this, &PylonRecorder::copy); + copyAct->setShortcut(QKeySequence::Copy); + copyAct->setEnabled(false); + + QAction *pasteAct = editMenu->addAction(tr("&Paste"), this, &PylonRecorder::paste); + pasteAct->setShortcut(QKeySequence::Paste); + + QMenu *viewMenu = menuBar()->addMenu(tr("&View")); + + zoomInAct = viewMenu->addAction(tr("Zoom &In (25%)"), this, &PylonRecorder::zoomIn); + zoomInAct->setShortcut(QKeySequence::ZoomIn); + zoomInAct->setEnabled(false); + + zoomOutAct = viewMenu->addAction(tr("Zoom &Out (25%)"), this, &PylonRecorder::zoomOut); + zoomOutAct->setShortcut(QKeySequence::ZoomOut); + zoomOutAct->setEnabled(false); + + normalSizeAct = viewMenu->addAction(tr("&Normal Size"), this, &PylonRecorder::normalSize); + normalSizeAct->setShortcut(tr("Ctrl+S")); + normalSizeAct->setEnabled(false); + + viewMenu->addSeparator(); + + fitToWindowAct = viewMenu->addAction(tr("&Fit to Window"), this, &PylonRecorder::fitToWindow); + fitToWindowAct->setEnabled(false); + fitToWindowAct->setCheckable(true); + fitToWindowAct->setShortcut(tr("Ctrl+F")); + + QMenu *camera_menu = menuBar()->addMenu(tr("&Camera")); + connect_camera_action = camera_menu->addAction(connect_icon, tr("&Connect"), this, &PylonRecorder::connectCamera); + connect_camera_action->setStatusTip(tr("Connect to to camera and open device")); + disconnect_camera_action = camera_menu->addAction(disconnect_icon, tr("&Disconnect"), this, &PylonRecorder::disconnectCamera); + disconnect_camera_action->setStatusTip(tr("Disconnect from the camera device")); + camera_menu->addSeparator(); + grab_still_action = camera_menu->addAction(tr("&Grab still"), this, &PylonRecorder::grabStillFromPylon); + grab_still_action->setStatusTip(tr("Grab single image from Pylon camera")); + grab_still_action->setShortcut(tr("Ctrl+ ")); + grab_continuous_action = camera_menu->addAction(tr("&grab continuous"), this, &PylonRecorder::startRecording); + grab_continuous_action->setShortcut(tr("Ctrl+Enter")); + + QMenu *helpMenu = menuBar()->addMenu(tr("&Help")); + helpMenu->addAction(tr("&About"), this, &PylonRecorder::about); + helpMenu->addAction(tr("About &Qt"), &QApplication::aboutQt); + + QToolBar *toolbar = addToolBar("main toolbar"); + toolbar->addSeparator(); + toolbar->addAction(connect_camera_action); + toolbar->addAction(disconnect_camera_action); + toolbar->addSeparator(); + toolbar->addAction(grab_still_action); +} + +void PylonRecorder::updateActions() { + saveAsAct->setEnabled(!image.isNull()); + copyAct->setEnabled(!image.isNull()); + zoomInAct->setEnabled(!fitToWindowAct->isChecked()); + zoomOutAct->setEnabled(!fitToWindowAct->isChecked()); + normalSizeAct->setEnabled(!fitToWindowAct->isChecked()); + disconnect_camera_action->setEnabled(pylon->isOpen()); + connect_camera_action->setEnabled(!pylon->isOpen()); + grab_still_action->setEnabled(pylon->isOpen()); + grab_continuous_action->setEnabled(false); +} + +void PylonRecorder::scaleImage(double factor) { + Q_ASSERT(imageLabel->pixmap()); + scaleFactor *= factor; + imageLabel->resize(scaleFactor * imageLabel->pixmap()->size()); + + adjustScrollBar(scrollArea->horizontalScrollBar(), factor); + adjustScrollBar(scrollArea->verticalScrollBar(), factor); + + zoomInAct->setEnabled(scaleFactor < 3.0); + zoomOutAct->setEnabled(scaleFactor > 0.333); +} + +void PylonRecorder::quitApplication() { + if (pylon->isOpen()) { + pylon->closeCamera(); } - return valid; + //pylon->terminate(); + this->close(); +} + +void PylonRecorder::adjustScrollBar(QScrollBar *scrollBar, double factor) { + scrollBar->setValue(int(factor * scrollBar->value() + + ((factor - 1) * scrollBar->pageStep()/2))); +} + +void PylonRecorder::connectCamera() { + std::string message; + pylon->openCamera(message); + statusBar()->showMessage(QString::fromStdString(message)); + updateActions(); } -void PylonRecorder::closeCamera() { - if (camera->IsOpen()) { - try { - camera->Close(); - valid = false; - } catch (const Pylon::GenericException &e) { - std::cerr << "An exception occurred." << std::endl << e.GetDescription() << std::endl; - } + +void PylonRecorder::disconnectCamera() { + pylon->closeCamera(); + statusBar()->showMessage(tr("Camera closed!")); + updateActions(); +} + +void PylonRecorder::startRecording() {} + +void PylonRecorder::stopRecording() {} + +void PylonRecorder::grabStillFromPylon() { + if (pylon->isOpen()) { + ImageSettings settings = pylon->getImageSettings(); + Pylon::CGrabResultPtr image_ptr = pylon->grabFrame(); + if (image_ptr.IsValid() && image_ptr->GrabSucceeded()) { + size_t stride; + image_ptr->GetStride(stride); + QImage img(static_cast(image_ptr->GetBuffer()), static_cast(settings.width), static_cast(settings.height), + QImage::Format::Format_Grayscale8); + setImage(img); + } + } else { + statusBar()->showMessage(tr("Camera is not open! Connect to camera first!")); } } diff --git a/pylonrecorder.h b/pylonrecorder.h index bb3d2d8..a49bd99 100644 --- a/pylonrecorder.h +++ b/pylonrecorder.h @@ -1,33 +1,86 @@ -#ifndef PYLONRECORDER_H -#define PYLONRECORDER_H +#ifndef IMAGEVIEWER_H +#define IMAGEVIEWER_H -#include -#include +#include +#include "pylonwrapper.h" +#include +#if defined(QT_PRINTSUPPORT_LIB) +# include -struct ImageSettings { - int64_t width = 0; - int64_t height = 0; -}; +# if QT_CONFIG(printer) +# include +# endif +#endif + +QT_BEGIN_NAMESPACE +class QAction; +class QLabel; +class QMenu; +class QScrollArea; +class QScrollBar; +QT_END_NAMESPACE -class PylonRecorder +//! [0] +class PylonRecorder : public QMainWindow { + Q_OBJECT + public: - PylonRecorder(); + PylonRecorder(QWidget *parent = nullptr); ~PylonRecorder(); - ImageSettings getImageSettings(); - bool isOpen(); - void terminate(); - bool openCamera(std::string &message); - void closeCamera(); - Pylon::CGrabResultPtr grabFrame(); + bool loadFile(const QString &); + +private slots: + void grabStillFromPylon(); + void open(); + void saveAs(); + void print(); + void copy(); + void paste(); + void zoomIn(); + void zoomOut(); + void normalSize(); + void fitToWindow(); + void about(); + void connectCamera(); + void disconnectCamera(); + void startRecording(); + void stopRecording(); + void quitApplication(); private: - Pylon::CInstantCamera *camera; - bool valid; + void createActions(); + void createMenus(); + void createToolBar(); + void updateActions(); + + bool saveFile(const QString &fileName); + void setImage(const QImage &newImage); + void scaleImage(double factor); + void adjustScrollBar(QScrollBar *scrollBar, double factor); + QImage image; + QLabel *imageLabel; + QScrollArea *scrollArea; + double scaleFactor = 1; + PylonWrapper *pylon; +#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printer) + QPrinter printer; +#endif + QAction *saveAsAct; + QAction *printAct; + QAction *copyAct; + QAction *zoomInAct; + QAction *zoomOutAct; + QAction *normalSizeAct; + QAction *fitToWindowAct; + QAction *grab_still_action; + QAction *grab_continuous_action; + QAction *connect_camera_action; + QAction *disconnect_camera_action; }; -#endif // PYLONRECORDER_H +#endif diff --git a/pylonwrapper.cpp b/pylonwrapper.cpp new file mode 100644 index 0000000..e8e8d72 --- /dev/null +++ b/pylonwrapper.cpp @@ -0,0 +1,71 @@ +#include "pylonwrapper.h" + +PylonWrapper::PylonWrapper(): + valid(false) { + Pylon::PylonInitialize(); + camera = new Pylon::CInstantCamera(); +} + +PylonWrapper::~PylonWrapper() { + Pylon::PylonTerminate(); +} + +void PylonWrapper::terminate() { + try { + //Pylon::PylonTerminate(); + } catch (const Pylon::GenericException &e) { + std::cerr << e.GetDescription() << std::endl; + } +} + +bool PylonWrapper::isOpen() { + return valid; +} + +ImageSettings PylonWrapper::getImageSettings() { + ImageSettings settings; + if (valid) { + Pylon::CIntegerParameter width( camera->GetNodeMap(), "Width"); + Pylon::CIntegerParameter height( camera->GetNodeMap(), "Height"); + Pylon::CEnumParameter pixelFormat( camera->GetNodeMap(), "PixelFormat"); + settings.width = width.GetValue(); + settings.height = height.GetValue(); + } + return settings; +} + +Pylon::CGrabResultPtr PylonWrapper::grabFrame() { + Pylon::CPylonImage img; + Pylon::CGrabResultPtr ptrGrabResult; + if (valid) { + camera->StartGrabbing(); + camera->RetrieveResult( 5000, ptrGrabResult, Pylon::TimeoutHandling_ThrowException); + camera->StopGrabbing(); + } + return ptrGrabResult; +} + +bool PylonWrapper::openCamera(std::string &message) { + try { + camera->Attach(Pylon::CTlFactory::GetInstance().CreateFirstDevice()); + camera->Open(); + valid = true; + message = "Successfully opened camera!"; + } catch (const Pylon::GenericException &e) { + message = e.GetDescription(); + std::cerr << "An exception occurred." << std::endl << e.GetDescription() << std::endl; + valid = false; + } + return valid; +} + +void PylonWrapper::closeCamera() { + if (camera->IsOpen()) { + try { + camera->Close(); + valid = false; + } catch (const Pylon::GenericException &e) { + std::cerr << "An exception occurred." << std::endl << e.GetDescription() << std::endl; + } + } +} diff --git a/pylonwrapper.h b/pylonwrapper.h new file mode 100644 index 0000000..4daebc3 --- /dev/null +++ b/pylonwrapper.h @@ -0,0 +1,33 @@ +#ifndef PYLONRECORDER_H +#define PYLONRECORDER_H + +#include +#include + +struct ImageSettings { + int64_t width = 0; + int64_t height = 0; +}; + +class PylonWrapper +{ +public: + PylonWrapper(); + ~PylonWrapper(); + + ImageSettings getImageSettings(); + bool isOpen(); + void terminate(); + bool openCamera(std::string &message); + void closeCamera(); + Pylon::CGrabResultPtr grabFrame(); + +private: + Pylon::CInstantCamera *camera; + bool valid; + + + +}; + +#endif // PYLONRECORDER_H diff --git a/recorder.pro b/recorder.pro index c13e909..4beaede 100644 --- a/recorder.pro +++ b/recorder.pro @@ -2,11 +2,13 @@ QT += widgets requires(qtConfig(filedialog)) qtHaveModule(printsupport): QT += gui printsupport -HEADERS = imageviewer.h \ - pylonrecorder.h -SOURCES = imageviewer.cpp \ - main.cpp \ - pylonrecorder.cpp +HEADERS = \ + pylonrecorder.h \ + pylonwrapper.h +SOURCES = \ + pylonrecorder.cpp \ + pylonwrapper.cpp \ + main.cpp # install target.path = $$[QT_INSTALL_EXAMPLES]/widgets/widgets/imageviewer