diff options
Diffstat (limited to 'examples/multimedia/camera/imagesettings.cpp')
-rw-r--r-- | examples/multimedia/camera/imagesettings.cpp | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/examples/multimedia/camera/imagesettings.cpp b/examples/multimedia/camera/imagesettings.cpp new file mode 100644 index 000000000..c2b022a70 --- /dev/null +++ b/examples/multimedia/camera/imagesettings.cpp @@ -0,0 +1,84 @@ +// Copyright (C) 2017 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#include "imagesettings.h" +#include "ui_imagesettings.h" + +#include <QCamera> +#include <QImageCapture> +#include <QMediaCaptureSession> + +#include <QComboBox> + +#include <QDebug> + +using namespace Qt::StringLiterals; + +ImageSettings::ImageSettings(QImageCapture *imageCapture, QWidget *parent) + : QDialog(parent), ui(new Ui::ImageSettingsUi), imagecapture(imageCapture) +{ + ui->setupUi(this); + + // image codecs + ui->imageCodecBox->addItem(tr("Default image format"), QVariant(QString())); + const auto supportedImageFormats = QImageCapture::supportedFormats(); + for (const auto &f : supportedImageFormats) { + QString description = QImageCapture::fileFormatDescription(f); + ui->imageCodecBox->addItem(QImageCapture::fileFormatName(f) + ": " + description, + QVariant::fromValue(f)); + } + + ui->imageQualitySlider->setRange(0, int(QImageCapture::VeryHighQuality)); + + ui->imageResolutionBox->addItem(tr("Default Resolution")); + const QList<QSize> supportedResolutions = + imagecapture->captureSession()->camera()->cameraDevice().photoResolutions(); + for (const QSize &resolution : supportedResolutions) { + ui->imageResolutionBox->addItem( + u"%1x%2"_s.arg(resolution.width()).arg(resolution.height()), + QVariant(resolution)); + } + + selectComboBoxItem(ui->imageCodecBox, QVariant::fromValue(imagecapture->fileFormat())); + selectComboBoxItem(ui->imageResolutionBox, QVariant(imagecapture->resolution())); + ui->imageQualitySlider->setValue(imagecapture->quality()); +} + +ImageSettings::~ImageSettings() +{ + delete ui; +} + +void ImageSettings::changeEvent(QEvent *e) +{ + QDialog::changeEvent(e); + switch (e->type()) { + case QEvent::LanguageChange: + ui->retranslateUi(this); + break; + default: + break; + } +} + +void ImageSettings::applyImageSettings() const +{ + imagecapture->setFileFormat(boxValue(ui->imageCodecBox).value<QImageCapture::FileFormat>()); + imagecapture->setQuality(QImageCapture::Quality(ui->imageQualitySlider->value())); + imagecapture->setResolution(boxValue(ui->imageResolutionBox).toSize()); +} + +QVariant ImageSettings::boxValue(const QComboBox *box) const +{ + const int idx = box->currentIndex(); + return idx != -1 ? box->itemData(idx) : QVariant{}; +} + +void ImageSettings::selectComboBoxItem(QComboBox *box, const QVariant &value) +{ + const int idx = box->findData(value); + if (idx != -1) + box->setCurrentIndex(idx); +} + +#include "moc_imagesettings.cpp" |