contrast_adapt_icon.h

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#pragma once
 
#include <ui/qt/utils/themes/token_palette.h>
 
#include <QColor>
#include <QIcon>
#include <QPalette>
#include <QSize>
#include <QString>

class ContrastAdaptIcon : public QIcon
{
public:
    explicit ContrastAdaptIcon(const QString &svg_resource_path,
                               QPalette::ColorRole surface_role = QPalette::Window,
                               QSize size = QSize(16, 16));

    ContrastAdaptIcon(const QString &svg_resource_path,
                      const QColor &explicit_background,
                      QSize size = QSize(16, 16));

    explicit ContrastAdaptIcon(const char *name) {
        QString path = QStringLiteral(":/svg_icons/") + QLatin1String(name) + QStringLiteral(".svg");
        *this = ContrastAdaptIcon(path, QPalette::Window);
    }

    static void  setDefaultMinContrast(qreal ratio);
    static qreal defaultMinContrast();

    void setPalette(const QPalette &palette);
 
private:
    // Private delegate: the engine shares @p palette so setPalette() can reach it.
    ContrastAdaptIcon(const QString &svg_resource_path,
                      QPalette::ColorRole surface_role,
                      const QColor &explicit_background,
                      QSize size, IconPaletteRef palette);
 
    IconPaletteRef palette_;
};