1 files changed, 124 insertions, 0 deletions
diff --git a/src/plugins/winrt/qwinrtimageencodercontrol.cpp b/src/plugins/winrt/qwinrtimageencodercontrol.cpp
new file mode 100644
index 000000000..0ab7a7cfb
--- /dev/null
+++ b/src/plugins/winrt/qwinrtimageencodercontrol.cpp
@@ -0,0 +1,124 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd and/or its subsidiary(-ies).
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwinrtimageencodercontrol.h"
+QT_BEGIN_NAMESPACE
+
+class QWinRTImageEncoderControlPrivate
+{
+public:
+    QList<QSize> supportedResolutions;
+    QImageEncoderSettings imageEncoderSetting;
+};
+
+QWinRTImageEncoderControl::QWinRTImageEncoderControl(QObject *parent)
+    : QImageEncoderControl(parent), d_ptr(new QWinRTImageEncoderControlPrivate)
+{
+}
+
+QStringList QWinRTImageEncoderControl::supportedImageCodecs() const
+{
+    return QStringList() << QStringLiteral("jpeg");
+}
+
+QString QWinRTImageEncoderControl::imageCodecDescription(const QString &codecName) const
+{
+    if (codecName == QStringLiteral("jpeg"))
+        return tr("JPEG image");
+
+    return QString();
+}
+
+QList<QSize> QWinRTImageEncoderControl::supportedResolutions(const QImageEncoderSettings &settings, bool *continuous) const
+{
+    Q_UNUSED(settings);
+    Q_D(const QWinRTImageEncoderControl);
+
+    if (continuous)
+        *continuous = false;
+
+    return d->supportedResolutions;
+}
+
+QImageEncoderSettings QWinRTImageEncoderControl::imageSettings() const
+{
+    Q_D(const QWinRTImageEncoderControl);
+    return d->imageEncoderSetting;
+}
+
+void QWinRTImageEncoderControl::setImageSettings(const QImageEncoderSettings &settings)
+{
+    Q_D(QWinRTImageEncoderControl);
+    if (d->imageEncoderSetting == settings)
+        return;
+
+    d->imageEncoderSetting = settings;
+    applySettings();
+}
+
+void QWinRTImageEncoderControl::setSupportedResolutionsList(const QList<QSize> resolution)
+{
+    Q_D(QWinRTImageEncoderControl);
+    d->supportedResolutions = resolution;
+    applySettings();
+}
+
+void QWinRTImageEncoderControl::applySettings()
+{
+    Q_D(QWinRTImageEncoderControl);
+    d->imageEncoderSetting.setCodec(QStringLiteral("jpeg"));
+
+    QSize requestResolution = d->imageEncoderSetting.resolution();
+    if (d->supportedResolutions.isEmpty() || d->supportedResolutions.contains(requestResolution))
+        return;
+
+    if (!requestResolution.isValid())
+        requestResolution = QSize(0, 0);// Find the minimal available resolution
+
+    // Find closest resolution from the list
+    const int pixelCount = requestResolution.width() * requestResolution.height();
+    int minPixelCountGap = -1;
+    for (int i = 0; i < d->supportedResolutions.size(); ++i) {
+        int gap = qAbs(pixelCount - d->supportedResolutions.at(i).width() * d->supportedResolutions.at(i).height());
+        if (gap < minPixelCountGap || minPixelCountGap < 0) {
+            minPixelCountGap = gap;
+            requestResolution = d->supportedResolutions.at(i);
+        }
+    }
+    d->imageEncoderSetting.setResolution(requestResolution);
+}
+
+QT_END_NAMESPACE