TTFFont.hh

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#ifndef TTFFONT_HH
#define TTFFONT_HH

#include "SDLSurfacePtr.hh"
#include "openmsx.hh"
#include <string>
#include <utility>

namespace openmsx {

class TTFFont
{
public:
        TTFFont(const TTFFont&) = delete;
        TTFFont& operator=(const TTFFont&) = delete;

        TTFFont() = default;

        TTFFont(const std::string& filename, int ptSize);

        TTFFont(TTFFont&& other) noexcept
                : font(other.font)
        {
                other.font = nullptr;
        }

        TTFFont& operator=(TTFFont&& other) noexcept
        {
                std::swap(font, other.font);
                return *this;
        }

        ~TTFFont();

        bool empty() const { return font == nullptr; }

        SDLSurfacePtr render(std::string text, byte r, byte g, byte b) const;

        unsigned getHeight() const;

        bool isFixedWidth() const;

        unsigned getWidth() const;

        void getSize(const std::string& text, unsigned& width, unsigned& height) const;

private:
        void* font = nullptr;  // TTF_Font*
};

} // namespace openmsx

#endif