volumetexturedata.h

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++ // Copyright (C) 2023 The Qt Company Ltd.

++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

++

++ #ifndef VOLUMETEXTUREDATA_H

++ #define VOLUMETEXTUREDATA_H

++

++ #include <QMutex>

++ #include <QtQuick3D/QQuick3DTextureData>

++ #include <QtQml/QQmlEngine>

++

++ #include <QtGui/QColor>

++ #include <QtCore/QByteArray>

++ #include <QUrl>

++ #include <QVector3D>

++

++ QT_BEGIN_NAMESPACE

++

++ class Worker;

++

++ class VolumeTextureData : public QQuick3DTextureData

++ {

++     Q_OBJECT

++     QML_ELEMENT

++

++ public:

++     struct AsyncLoaderData

++     {

++         QUrl source;

++         qsizetype width = 0;

++         qsizetype height = 0;

++         qsizetype depth = 0;

++         QString dataType;

++         QByteArray volumeData = {};

++         bool success = false;

++     };

++

++     VolumeTextureData();

++     ~VolumeTextureData();

++

++     Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)

++     Q_PROPERTY(qsizetype width READ width WRITE setWidth NOTIFY widthChanged FINAL)

++     Q_PROPERTY(qsizetype height READ height WRITE setHeight NOTIFY heightChanged FINAL)

++     Q_PROPERTY(qsizetype depth READ depth WRITE setDepth NOTIFY depthChanged FINAL)

++     Q_PROPERTY(QString dataType READ dataType WRITE setDataType NOTIFY dataTypeChanged FINAL)

++

++     QUrl source() const;

++     void setSource(const QUrl &newSource);

++

++     qsizetype width() const;

++     void setWidth(qsizetype newWidth);

++

++     qsizetype height() const;

++     void setHeight(qsizetype newHeight);

++

++     qsizetype depth() const;

++     void setDepth(qsizetype newDepth);

++

++     QString dataType() const;

++     void setDataType(const QString &newDataType);

++

++     Q_INVOKABLE void loadAsync(QUrl source, qsizetype width, qsizetype height, qsizetype depth, QString dataType);

++

++ signals:

++     void sourceChanged();

++     void widthChanged();

++     void heightChanged();

++     void depthChanged();

++     void dataTypeChanged();

++     void loadSucceeded(QUrl source, qsizetype width, qsizetype height, qsizetype depth, QString dataType);

++     void loadFailed(QUrl source, qsizetype width, qsizetype height, qsizetype depth, QString dataType);

++

++ private:

++     void handleResults(VolumeTextureData::AsyncLoaderData result);

++     void updateTextureDimensions();

++     void initWorker();

++

++     QUrl m_source;

++     qsizetype m_width = 0;

++     qsizetype m_height = 0;

++     qsizetype m_depth = 0;

++     qsizetype m_currentDataSize = 0;

++     QString m_dataType;

++

++     // Async variables

++     AsyncLoaderData loaderData;

++     bool m_isLoading = false;

++     bool m_isAborting = false;

++     Worker *m_worker = nullptr;

++ };

++

++ QT_END_NAMESPACE

++

++ #endif // VOLUMETEXTUREDATA_H