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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
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