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