color_picker.hpp

#pragma once
 
#include <QtQml/QQmlEngine>
#include <QtGui/QImage>
#include <QtCore/QRunnable>
 
namespace qml_material
{
 
class ColorPickerRunnable : public QObject, public QRunnable {
    Q_OBJECT
public:
    void run() override;
 
    Q_SIGNAL void finished(QColor);
 
    QImage image;
};
 
class ColorPicker : public QObject {
    Q_OBJECT
    QML_ELEMENT
 
    Q_PROPERTY(QImage image READ image WRITE setImage NOTIFY imageChanged FINAL)
    Q_PROPERTY(QColor color READ color NOTIFY colorChanged FINAL)
 
public:
    ColorPicker(QObject* = nullptr);
    ~ColorPicker();
 
    auto image() const -> QImage;
    void setImage(QImage);
 
    auto color() const noexcept -> QColor;
    void setColor(QColor);
 
    Q_SIGNAL void pick();
    Q_SIGNAL void imageChanged();
    Q_SIGNAL void colorChanged();
 
private:
    QImage m_image;
    QColor m_color;
};
 
} // namespace qml_material