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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 and its Subsidiary(-ies) 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 "imagesettings.h"
#include "ui_imagesettings.h"
#include <QComboBox>
#include <QDebug>
#include <QCameraImageCapture>
#include <QMediaService>
ImageSettings::ImageSettings(QCameraImageCapture *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()));
foreach(const QString &codecName, imagecapture->supportedImageCodecs()) {
QString description = imagecapture->imageCodecDescription(codecName);
ui->imageCodecBox->addItem(codecName+": "+description, QVariant(codecName));
}
ui->imageQualitySlider->setRange(0, int(QMultimedia::VeryHighQuality));
ui->imageResolutionBox->addItem(tr("Default Resolution"));
QList<QSize> supportedResolutions = imagecapture->supportedResolutions();
foreach(const QSize &resolution, supportedResolutions) {
ui->imageResolutionBox->addItem(QString("%1x%2").arg(resolution.width()).arg(resolution.height()),
QVariant(resolution));
}
}
ImageSettings::~ImageSettings()
{
delete ui;
}
void ImageSettings::changeEvent(QEvent *e)
{
QDialog::changeEvent(e);
switch (e->type()) {
case QEvent::LanguageChange:
ui->retranslateUi(this);
break;
default:
break;
}
}
QImageEncoderSettings ImageSettings::imageSettings() const
{
QImageEncoderSettings settings = imagecapture->encodingSettings();
settings.setCodec(boxValue(ui->imageCodecBox).toString());
settings.setQuality(QMultimedia::EncodingQuality(ui->imageQualitySlider->value()));
settings.setResolution(boxValue(ui->imageResolutionBox).toSize());
return settings;
}
void ImageSettings::setImageSettings(const QImageEncoderSettings &imageSettings)
{
selectComboBoxItem(ui->imageCodecBox, QVariant(imageSettings.codec()));
selectComboBoxItem(ui->imageResolutionBox, QVariant(imageSettings.resolution()));
ui->imageQualitySlider->setValue(imageSettings.quality());
}
QVariant ImageSettings::boxValue(const QComboBox *box) const
{
int idx = box->currentIndex();
if (idx == -1)
return QVariant();
return box->itemData(idx);
}
void ImageSettings::selectComboBoxItem(QComboBox *box, const QVariant &value)
{
for (int i = 0; i < box->count(); ++i) {
if (box->itemData(i) == value) {
box->setCurrentIndex(i);
break;
}
}
}
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