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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtNfc module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "mimeimagerecordeditor.h"
#include "ui_mimeimagerecordeditor.h"
#include <QtGui/QImageReader>
#include <QtWidgets/QFileDialog>
#include <QtCore/QBuffer>
#include <QScreen>
#include <QLayout>
#if (defined(Q_OS_ANDROID) && !defined(Q_OS_ANDROID_EMBEDDED)) || defined(Q_OS_IOS)
# define MOBILE_PLATFORM
#endif
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);
#ifdef MOBILE_PLATFORM
connect(screen(), &QScreen::orientationChanged, this,
&MimeImageRecordEditor::handleScreenOrientationChange);
#endif
}
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->mimeImageFile->clear();
m_pixmap = QPixmap::fromImage(reader.read());
updatePixmap();
}
QNdefRecord MimeImageRecordEditor::record() const
{
return m_record;
}
void MimeImageRecordEditor::handleScreenOrientationChange(Qt::ScreenOrientation orientation)
{
Q_UNUSED(orientation);
#ifdef MOBILE_PLATFORM
if (m_imageSelected) {
ui->mimeImageImage->clear();
adjustSize();
m_screenRotated = true;
}
#endif
}
void MimeImageRecordEditor::resizeEvent(QResizeEvent *)
{
if (m_imageSelected) {
#ifdef MOBILE_PLATFORM
if (m_screenRotated) {
updatePixmap();
m_screenRotated = false;
}
#else
updatePixmap();
#endif
}
}
void MimeImageRecordEditor::updatePixmap()
{
// Calculate the desired width of the image. It's calculated based on the
// screen size minus the content margins.
const auto parentContentMargins = parentWidget()->layout()->contentsMargins();
const auto thisContentMargins = layout()->contentsMargins();
#ifdef MOBILE_PLATFORM
// Because of QTBUG-94459 the screen size might be incorrect, so we check
// the orientation to find the actual width
const auto w = screen()->availableSize().width();
const auto h = screen()->availableSize().height();
const auto screenWidth =
(screen()->orientation() == Qt::PortraitOrientation) ? qMin(w, h) : qMax(w, h);
#else
const auto screenWidth = width();
#endif
const auto imageWidth = screenWidth - parentContentMargins.right() - parentContentMargins.left()
- thisContentMargins.right() - thisContentMargins.left();
if (!m_pixmap.isNull()) {
if (m_pixmap.width() > imageWidth)
ui->mimeImageImage->setPixmap(m_pixmap.scaledToWidth(imageWidth));
else
ui->mimeImageImage->setPixmap(m_pixmap);
} else {
ui->mimeImageImage->setText("Can't show the image");
}
}
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);
ui->mimeImageFile->setText(mimeDataFile);
const QImage image = reader.read();
m_pixmap = QPixmap::fromImage(image);
m_imageSelected = true;
updatePixmap();
m_record.setTypeNameFormat(QNdefRecord::Mime);
m_record.setType(mimeType.toLatin1());
m_record.setPayload(imageData);
}
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