OSDRectangle.hh

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#ifndef OSDRECTANGLE_HH
#define OSDRECTANGLE_HH
 
#include "OSDImageBasedWidget.hh"
#include "stl.hh"
#include <array>
#include <cstdint>
#include <memory>
 
namespace openmsx {
 
class GLImage;
 
class OSDRectangle final : public OSDImageBasedWidget
{
private:
        static constexpr auto rectangleProperties = [] {
                using namespace std::literals;
                return concatArray(
                        imageBasedProperties,
                        std::array{
                                "-w"sv, "-h"sv, "-relw"sv, "-relh"sv,
                                "-scale"sv, "-image"sv,
                                "-bordersize"sv, "-relbordersize"sv,
                                "-borderrgba"sv,
                        });
        }();
 
public:
        OSDRectangle(Display& display, const TclObject& name);
 
        [[nodiscard]] std::span<const std::string_view> getProperties() const override {
                return rectangleProperties;
        }
        void setProperty(Interpreter& interp,
                         std::string_view name, const TclObject& value) override;
        void getProperty(std::string_view name, TclObject& result) const override;
        [[nodiscard]] std::string_view getType() const override;
 
private:
        [[nodiscard]] bool takeImageDimensions() const;
 
        [[nodiscard]] gl::vec2 getSize(const OutputSurface& output) const override;
        [[nodiscard]] uint8_t getFadedAlpha() const override;
        [[nodiscard]] std::unique_ptr<GLImage> create(OutputSurface& output) override;
 
private:
        std::string imageName;
        gl::vec2 size, relSize;
        float scale = 1.0f;
        float borderSize = 0.0f;
        float  relBorderSize = 0.0f;
        uint32_t borderRGBA = 0x000000ff;
};
 
} // namespace openmsx
 
#endif