Initial copy of QtMultimediaKit.

Comes from original repo, with SHA1: 2c82d5611655e5967f5c5095af50c0991c4378b2
2011-06-29 13:38:46 +10:00
commit 2a34e88c1e
1048 changed files with 206259 additions and 0 deletions
--- a/src/plugins/simulator/camera/simulatorvideorenderercontrol.cpp
+++ b/src/plugins/simulator/camera/simulatorvideorenderercontrol.cpp
@@ -0,0 +1,130 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "simulatorvideorenderercontrol.h"
+#include "simulatorcamerasettings.h"
+#include "simulatorcamerasession.h"
+#include <qabstractvideosurface.h>
+#include <qvideoframe.h>
+#include <qvideosurfaceformat.h>
+#include <QFile>
+#include <QColor>
+#include <QPainter>
+
+SimulatorVideoRendererControl::SimulatorVideoRendererControl(SimulatorCameraSession *session, QObject *parent) :
+    QVideoRendererControl(parent)
+  , mSession(session)
+  , mSurface(0)
+  , mRunning(false)
+{
+}
+
+SimulatorVideoRendererControl::~SimulatorVideoRendererControl()
+{
+}
+
+QAbstractVideoSurface *SimulatorVideoRendererControl::surface() const
+{
+    return mSurface;
+}
+
+void SimulatorVideoRendererControl::setSurface(QAbstractVideoSurface *surface)
+{
+    mSurface = surface;
+}
+
+void SimulatorVideoRendererControl::setImagePath(const QString &imagePath)
+{
+    if (QFile::exists(imagePath)) {
+        mImage = QImage(imagePath);
+    } else {
+        mImage = QImage(800, 600, QImage::Format_RGB32);
+        mImage.fill(qRgb(200, 50, 50));
+        QPainter painter(&mImage);
+        painter.drawText(0, 0, 800, 600, Qt::AlignCenter, imagePath);
+    }
+    if (mRunning)
+        showImage();
+}
+
+void SimulatorVideoRendererControl::showImage()
+{
+    if (!mSurface)
+        return;
+    stop();
+    mShownImage = mImage;
+    SimulatorCameraSettings *settings = mSession->settings();
+    qreal colorDiff = .0;
+    colorDiff += settings->aperture() - settings->defaultAperture();
+    colorDiff += (settings->shutterSpeed() - settings->defaultShutterSpeed()) * 400;
+    colorDiff += ((qreal)settings->isoSensitivity() - settings->defaultIsoSensitivity()) / 100;
+    colorDiff += settings->exposureCompensation();
+    int diffToApply = qAbs(colorDiff * 20);
+    QPainter painter(&mShownImage);
+    if (colorDiff < 0)
+        painter.fillRect(mShownImage.rect(), QColor(0, 0, 0, qMin(diffToApply, 255)));
+    else
+        painter.fillRect(mShownImage.rect(), QColor(255, 255, 255, qMin(diffToApply, 255)));
+    QVideoFrame::PixelFormat pixelFormat = QVideoFrame::pixelFormatFromImageFormat(mShownImage.format());
+    if (pixelFormat == QVideoFrame::Format_Invalid) {
+        mShownImage = mShownImage.convertToFormat(QImage::Format_RGB32);
+        pixelFormat = QVideoFrame::Format_RGB32;
+    }
+    QVideoSurfaceFormat format(mShownImage.size(), pixelFormat);
+    mSurface->start(format);
+    mSurface->present(mShownImage);
+    mRunning = true;
+}
+
+void SimulatorVideoRendererControl::stop()
+{
+    if (!mSurface)
+        return;
+
+    if (mSurface->isActive())
+        mSurface->stop();
+    mRunning = false;
+}
+
+const QImage * SimulatorVideoRendererControl::image() const
+{
+    return &mShownImage;
+}