blur_mask.hpp

#pragma once
 
#include <QColor>
#include <QQmlEngine>
#include <QQuickItem>
 
#include "qml_material/util/corner.hpp"
 
namespace qml_material
{
 
class BlurMask : public QQuickItem {
    Q_OBJECT
    QML_NAMED_ELEMENT(BlurMaskImpl)
 
public:
    enum Style {
        Normal = 0,
        Solid  = 1,
        Outer  = 2,
        Inner  = 3,
    };
    Q_ENUM(Style)
 
    Q_PROPERTY(qreal sigma READ sigma WRITE setSigma NOTIFY sigmaChanged FINAL)
    Q_PROPERTY(qreal radius READ radius WRITE setRadius NOTIFY radiusChanged FINAL)
    Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged FINAL)
    Q_PROPERTY(qml_material::CornersGroup corners READ corners WRITE setCorners NOTIFY
                   cornersChanged FINAL)
    Q_PROPERTY(Style style READ style WRITE setStyle NOTIFY styleChanged FINAL)
 
    BlurMask(QQuickItem* parent = nullptr);
    ~BlurMask() override;
 
    qreal         sigma() const;
    void          setSigma(qreal);
    Q_SIGNAL void sigmaChanged(qreal);
 
    qreal         radius() const;
    void          setRadius(qreal);
    Q_SIGNAL void radiusChanged(qreal);
 
    QColor        color() const;
    void          setColor(const QColor&);
    Q_SIGNAL void colorChanged(QColor);
 
    auto          corners() const -> const CornersGroup&;
    void          setCorners(const CornersGroup&);
    Q_SIGNAL void cornersChanged(CornersGroup);
 
    Style         style() const;
    void          setStyle(Style);
    Q_SIGNAL void styleChanged(Style);
 
protected:
    QSGNode* updatePaintNode(QSGNode* node, QQuickItem::UpdatePaintNodeData* data) override;
 
private:
    qreal        m_sigma { 0 };
    qreal        m_radius { 0 };
    QColor       m_color { Qt::black };
    CornersGroup m_corners {};
    Style        m_style { Normal };
};
 
} // namespace qml_material