qt-creator/src/libs/utils/icon.h

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#ifndef THEMEHELPER_H
#define THEMEHELPER_H

#include "utils_global.h"
#include "theme/theme.h"

#include <QPair>
#include <QVector>

QT_FORWARD_DECLARE_CLASS(QColor)
QT_FORWARD_DECLARE_CLASS(QIcon)
QT_FORWARD_DECLARE_CLASS(QPixmap)
QT_FORWARD_DECLARE_CLASS(QString)

namespace Utils {

typedef QPair<QString, Theme::Color> IconMaskAndColor;

// Returns a recolored icon with shadow and custom disabled state for a
// series of grayscalemask|Theme::Color mask pairs
class QTCREATOR_UTILS_EXPORT Icon : public QVector<IconMaskAndColor>
{
public:
    enum class Style {
        Plain,
        Tinted,
        TintedWithShadow
    };

    Icon();
    Icon(std::initializer_list<IconMaskAndColor> args, Style style = Style::TintedWithShadow);
    Icon(const QString &imageFileName);

    QIcon icon() const;
    // Same as icon() but without disabled state.
    QPixmap pixmap() const;

    // Try to avoid it. it is just there for special API cases in Qt Creator
    // where icons are still defined as filename.
    QString imageFileName() const;

    Icon &operator=(const Icon &other);

private:
    Style m_style = Style::Plain;
};

} // namespace Utils

#endif // THEMEHELPER_H