OpenMW/apps/openmw/mwgui/backgroundimage.hpp

#ifndef OPENMW_MWGUI_BACKGROUNDIMAGE_H
#define OPENMW_MWGUI_BACKGROUNDIMAGE_H

#include <MyGUI_ImageBox.h>

namespace MWGui
{

    /**
     * @brief A variant of MyGUI::ImageBox with aspect ratio correction using black bars
     */
    class BackgroundImage final : public MyGUI::ImageBox
    {
        MYGUI_RTTI_DERIVED(BackgroundImage)

    public:
        BackgroundImage()
            : mChild(nullptr)
            , mAspect(0)
        {
        }

        /**
         * @param fixedRatio Use a fixed ratio of 4:3, regardless of the image dimensions
         * @param stretch Stretch to fill the whole screen, or add black bars?
         */
        void setBackgroundImage(const std::string& image, bool fixedRatio = true, bool stretch = true);

        void setSize(const MyGUI::IntSize& _value) override;
        void setCoord(const MyGUI::IntCoord& _value) override;

    private:
        MyGUI::ImageBox* mChild;
        double mAspect;

        void adjustSize();
    };

}

#endif