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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "qt5previewnodeinstanceserver.h"
#include "nodeinstanceclientinterface.h"
#include "statepreviewimagechangedcommand.h"
#include "createscenecommand.h"
#include <QSGItem>
#include <designersupport.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*/)
{
}
static void updateDirtyNodeRecursive(QSGItem *parentItem)
{
foreach (QSGItem *childItem, parentItem->childItems())
updateDirtyNodeRecursive(childItem);
DesignerSupport::updateDirtyNode(parentItem);
}
QImage Qt5PreviewNodeInstanceServer::renderPreviewImage()
{
updateDirtyNodeRecursive(rootNodeInstance().internalSGItem());
QRectF boundingRect = rootNodeInstance().boundingRect();
QSize previewImageSize = boundingRect.size().toSize();
previewImageSize.scale(QSize(100, 100), Qt::KeepAspectRatio);
QImage previewImage;
if (boundingRect.isValid() && rootNodeInstance().internalSGItem())
previewImage = designerSupport()->renderImageForItem(rootNodeInstance().internalSGItem(), boundingRect, previewImageSize);
previewImage = previewImage.convertToFormat(QImage::Format_ARGB32_Premultiplied);
return previewImage;
}
} // namespace QmlDesigner
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