Qt Quick 3D - Procedural Texture Example

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#ifndef GRADIENTTEXTURE_H #define GRADIENTTEXTURE_H #include <QtQuick3D/QQuick3DTextureData> #include <QtGui/QColor> class GradientTexture : public QQuick3DTextureData { 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_NAMED_ELEMENT(GradientTexture) public: GradientTexture(); int height() const; int width() const; QColor startColor() const; QColor endColor() const; public Q_SLOTS: void setHeight(int height); void setWidth(int width); void setStartColor(QColor startColor); void setEndColor(QColor endColor); Q_SIGNALS: void heightChanged(int height); void widthChanged(int width); void startColorChanged(QColor startColor); void endColorChanged(QColor endColor); private: void updateTexture(); QByteArray generateTexture(); static QColor linearInterpolate(const QColor &color1, const QColor &color2, float value); int m_height = 256; int m_width = 256; QColor m_startColor = QColor(QStringLiteral("#d4fc79")); QColor m_endColor = QColor(QStringLiteral("#96e6a1")); }; #endif // GRADIENTTEXTURE_H