forked from qt-creator/qt-creator
31600758de
Change-Id: If18afb5d4665924e7d9250dccbc60a65e6daa75e Reviewed-by: Eike Ziller <eike.ziller@nokia.com>
121 lines
3.8 KiB
C++
121 lines
3.8 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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**
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** GNU Lesser General Public License Usage
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**
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** Other Usage
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**
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**************************************************************************/
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#include "qt5previewnodeinstanceserver.h"
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#include "nodeinstanceclientinterface.h"
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#include "statepreviewimagechangedcommand.h"
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#include "createscenecommand.h"
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#include <QSGItem>
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#include <designersupport.h>
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namespace QmlDesigner {
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Qt5PreviewNodeInstanceServer::Qt5PreviewNodeInstanceServer(NodeInstanceClientInterface *nodeInstanceClient) :
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Qt5NodeInstanceServer(nodeInstanceClient)
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{
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}
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void Qt5PreviewNodeInstanceServer::createScene(const CreateSceneCommand &command)
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{
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initializeView(command.imports());
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setupScene(command);
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startRenderTimer();
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}
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void Qt5PreviewNodeInstanceServer::startRenderTimer()
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{
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if (timerId() != 0)
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killTimer(timerId());
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int timerId = startTimer(renderTimerInterval());
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setTimerId(timerId);
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}
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void Qt5PreviewNodeInstanceServer::collectItemChangesAndSendChangeCommands()
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{
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static bool inFunction = false;
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if (!inFunction && nodeInstanceClient()->bytesToWrite() < 10000) {
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inFunction = true;
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QVector<ImageContainer> imageContainerVector;
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imageContainerVector.append(ImageContainer(0, renderPreviewImage()));
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foreach (ServerNodeInstance instance, rootNodeInstance().stateInstances()) {
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instance.activateState();
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imageContainerVector.append(ImageContainer(instance.instanceId(), renderPreviewImage()));
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instance.deactivateState();
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}
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nodeInstanceClient()->statePreviewImagesChanged(StatePreviewImageChangedCommand(imageContainerVector));
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slowDownRenderTimer();
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inFunction = false;
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}
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}
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void Qt5PreviewNodeInstanceServer::changeState(const ChangeStateCommand &/*command*/)
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{
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}
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static void updateDirtyNodeRecursive(QSGItem *parentItem)
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{
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foreach (QSGItem *childItem, parentItem->childItems())
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updateDirtyNodeRecursive(childItem);
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DesignerSupport::updateDirtyNode(parentItem);
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}
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QImage Qt5PreviewNodeInstanceServer::renderPreviewImage()
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{
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updateDirtyNodeRecursive(rootNodeInstance().internalSGItem());
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QRectF boundingRect = rootNodeInstance().boundingRect();
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QSize previewImageSize = boundingRect.size().toSize();
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previewImageSize.scale(QSize(100, 100), Qt::KeepAspectRatio);
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QImage previewImage;
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if (boundingRect.isValid() && rootNodeInstance().internalSGItem())
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previewImage = designerSupport()->renderImageForItem(rootNodeInstance().internalSGItem(), boundingRect, previewImageSize);
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previewImage = previewImage.convertToFormat(QImage::Format_ARGB32_Premultiplied);
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return previewImage;
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}
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} // namespace QmlDesigner
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