gradienttextureprovider.h

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// Copyright (C) 2025 The Qt Company Ltd.

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

#ifndef GRADIENTTEXTUREPROVIDER_H

#define GRADIENTTEXTUREPROVIDER_H

#include <QQuick3DTextureProviderExtension>

#include <QtGui/QColor>

#include <QQmlEngine>

//! [class definition]

class GradientTextureProvider : public QQuick3DTextureProviderExtension

    Q_OBJECT

    Q_PROPERTY(int height READ height WRITE setHeight NOTIFY heightChanged)

    Q_PROPERTY(int width READ width WRITE setWidth NOTIFY widthChanged)

    Q_PROPERTY(QColor startColor READ startColor WRITE setStartColor NOTIFY startColorChanged)

    Q_PROPERTY(QColor endColor READ endColor WRITE setEndColor NOTIFY endColorChanged)

    QML_ELEMENT

//! [class definition]

public:

    GradientTextureProvider();

    int height() const;

    void setHeight(int newHeight);

    int width() const;

    void setWidth(int newWidth);

    QColor startColor() const;

    void setStartColor(const QColor &newStartColor);

    QColor endColor() const;

    void setEndColor(const QColor &newEndColor);

Q_SIGNALS:

    void heightChanged();

    void widthChanged();

    void startColorChanged();

    void endColorChanged();

protected:

    QSSGRenderGraphObject *updateSpatialNode(QSSGRenderGraphObject *node) override;

private:

    int m_height = 256;

    int m_width = 256;

    QColor m_startColor = QColor(QStringLiteral("#d4fc79"));

    QColor m_endColor = QColor(QStringLiteral("#96e6a1"));

};

#endif // GRADIENTTEXTUREPROVIDER_H