qt-creator/share/qtcreator/qml/qmlpuppet/qml2puppet/instances/qt5captureimagenodeinstanceserver.cpp

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#include "qt5captureimagenodeinstanceserver.h"
#include "servernodeinstance.h"

#include <captureddatacommand.h>
#include <createscenecommand.h>
#include <nodeinstanceclientinterface.h>

#include <QImage>
#include <QQuickItem>
#include <QQuickView>

namespace QmlDesigner {

namespace {

QImage renderImage(ServerNodeInstance rootNodeInstance)
{
    rootNodeInstance.updateDirtyNodeRecursive();

    QSize previewImageSize = rootNodeInstance.boundingRect().size().toSize();
    if (previewImageSize.isEmpty())
        previewImageSize = {300, 300};

    if (previewImageSize.width() > 300 || previewImageSize.height() > 300)
        previewImageSize.scale({300, 300}, Qt::KeepAspectRatio);

    QImage previewImage = rootNodeInstance.renderPreviewImage(previewImageSize);

    return previewImage;
}
} // namespace

void Qt5CaptureImageNodeInstanceServer::collectItemChangesAndSendChangeCommands()
{
    static bool inFunction = false;

    if (!rootNodeInstance().holdsGraphical()) {
        nodeInstanceClient()->capturedData(CapturedDataCommand{});
        return;
    }

    if (!inFunction) {
        inFunction = true;

        auto rooNodeInstance = rootNodeInstance();
        rooNodeInstance.rootQuickItem()->setClip(true);

        DesignerSupport::polishItems(quickWindow());

        QImage image = renderImage(rooNodeInstance);

        nodeInstanceClient()->capturedData(CapturedDataCommand{std::move(image)});

        slowDownRenderTimer();
        inFunction = false;
    }
}

} // namespace