mimeimagerecordeditor.cpp Example File

ndefeditor/mimeimagerecordeditor.cpp
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#include "mimeimagerecordeditor.h" #include "ui_mimeimagerecordeditor.h" #include <QBuffer> #include <QFileDialog> #include <QImageReader> static QString imageFormatToMimeType(const QByteArray &format) { if (format == "bmp") return QStringLiteral("image/bmp"); else if (format == "gif") return QStringLiteral("image/gif"); else if (format == "jpg" || format == "jpeg") return QStringLiteral("image/jpeg"); else if (format == "mng") return QStringLiteral("video/x-mng"); else if (format == "png") return QStringLiteral("image/png"); else if (format == "pbm") return QStringLiteral("image/x-portable-bitmap"); else if (format == "pgm") return QStringLiteral("image/x-portable-graymap"); else if (format == "ppm") return QStringLiteral("image/x-portable-pixmap"); else if (format == "tiff") return QStringLiteral("image/tiff"); else if (format == "xbm") return QStringLiteral("image/x-xbitmap"); else if (format == "xpm") return QStringLiteral("image/x-xpixmap"); else if (format == "svg") return QStringLiteral("image/svg+xml"); else return QString(); } MimeImageRecordEditor::MimeImageRecordEditor(QWidget *parent) : QWidget(parent), ui(new Ui::MimeImageRecordEditor) { ui->setupUi(this); } MimeImageRecordEditor::~MimeImageRecordEditor() { delete ui; } void MimeImageRecordEditor::setRecord(const QNdefRecord &record) { m_record = record; QByteArray data = record.payload(); QBuffer buffer(&data); buffer.open(QIODevice::ReadOnly); QImageReader reader(&buffer); ui->mimeImageType->setText(imageFormatToMimeType(reader.format())); ui->mimeImageImage->setPixmap(QPixmap::fromImage(reader.read())); ui->mimeImageFile->clear(); } QNdefRecord MimeImageRecordEditor::record() const { return m_record; } void MimeImageRecordEditor::on_mimeImageOpen_clicked() { QString mimeDataFile = QFileDialog::getOpenFileName(this, tr("Select Image File")); if (mimeDataFile.isEmpty()) return; QFile imageFile(mimeDataFile); if (!imageFile.open(QIODevice::ReadOnly)) { ui->mimeImageFile->clear(); ui->mimeImageImage->clear(); } QByteArray imageData = imageFile.readAll(); QBuffer buffer(&imageData); buffer.open(QIODevice::ReadOnly); QImageReader reader(&buffer); QString mimeType = imageFormatToMimeType(reader.format()); ui->mimeImageType->setText(mimeType); QImage image = reader.read(); ui->mimeImageFile->setText(mimeDataFile); ui->mimeImageImage->setPixmap(QPixmap::fromImage(image)); m_record.setTypeNameFormat(QNdefRecord::Mime); m_record.setType(mimeType.toLatin1()); m_record.setPayload(imageData); }