Text_surface.h

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#ifndef HRK_TEXT_SURFACE_H
#define HRK_TEXT_SURFACE_H

#include <memory>
#include <string>
#include "Surface.h"


namespace hrk
{
    class Font;

    class Text_surface : public Surface
    {
    public:
        explicit Text_surface(const Font& font, const std::string& text);
        ~Text_surface(void);

        SizeF size(void) const;
        Color pixel_color(const PointF& point, double magnify) const;
        void draw(const RectF* src, const RectF& dest,
                  double z, const Angle& rotate_angle, double magnify,
                  double color_strength_ratio, double alpha,
                  bool antialiasing) const;

        static SizeF expected_surface_size(const Font& font,
                                           const std::string& text);

    private:
        Text_surface(void);
        Text_surface(const Text_surface& rhs);
        Text_surface& operator = (const Text_surface& rhs);

        struct pImpl;
        std::auto_ptr<pImpl> pimpl;
    };
}

#endif