mimeimagerecordeditor.cpp Example File

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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);
  }