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