qt-creator/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5previewnodeinstanceserver.cpp

/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
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** GNU Lesser General Public License Usage
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** License version 2.1 as published by the Free Software Foundation and
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** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
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#include "qt5previewnodeinstanceserver.h"

#include "nodeinstanceclientinterface.h"
#include "statepreviewimagechangedcommand.h"
#include "createscenecommand.h"

namespace QmlDesigner {

Qt5PreviewNodeInstanceServer::Qt5PreviewNodeInstanceServer(NodeInstanceClientInterface *nodeInstanceClient) :
    Qt5NodeInstanceServer(nodeInstanceClient)
{
}

void Qt5PreviewNodeInstanceServer::createScene(const CreateSceneCommand &command)
{
    initializeView(command.imports());
    setupScene(command);

    startRenderTimer();
}
void Qt5PreviewNodeInstanceServer::startRenderTimer()
{
    if (timerId() != 0)
        killTimer(timerId());

    int timerId = startTimer(renderTimerInterval());

    setTimerId(timerId);
}

void Qt5PreviewNodeInstanceServer::collectItemChangesAndSendChangeCommands()
{
    static bool inFunction = false;

    if (!inFunction && nodeInstanceClient()->bytesToWrite() < 10000) {
        inFunction = true;
        QVector<ImageContainer> imageContainerVector;
        imageContainerVector.append(ImageContainer(0, renderPreviewImage()));

        foreach (ServerNodeInstance instance,  rootNodeInstance().stateInstances()) {
            instance.activateState();
            imageContainerVector.append(ImageContainer(instance.instanceId(), renderPreviewImage()));
            instance.deactivateState();
        }

        nodeInstanceClient()->statePreviewImagesChanged(StatePreviewImageChangedCommand(imageContainerVector));

        slowDownRenderTimer();
        inFunction = false;
    }
}

void Qt5PreviewNodeInstanceServer::changeState(const ChangeStateCommand &/*command*/)
{

}

QImage Qt5PreviewNodeInstanceServer::renderPreviewImage()
{
    QSize size = rootNodeInstance().boundingRect().size().toSize();
    size.scale(100, 100, Qt::KeepAspectRatio);

    QImage image(size, QImage::Format_ARGB32);

    return image;
}

} // namespace QmlDesigner