// -*- Mode: C++ -*-

$#include "SDL.h"
$#include "px/px.hh"
$using namespace px;

module px
{
    typedef unsigned int Uint32;

    class Rect {
        int x;
        int y;
        int w;
        int h;
        Rect(int xx, int yy, int ww, int hh);
        ~Rect();
    };

    class V2 {
    	V2();
	V2(double x, double y);
        double operator[] (int idx);
    };

    typedef Uint32 PackedColor;

    class GS {
        GS (const Rect &clipr);
        ~GS();

        Rect cliprect;
        PackedColor pcolor;
    };

    class Drawable {
    public:
	virtual ~Drawable() {}

        virtual PackedColor map_color(int r, int g, int b) = 0;
        virtual PackedColor map_color(int r, int g, int b, int a) = 0;

	virtual void blit (const GS &gs, int x, int y, Surface* s) = 0;
	virtual void blit (const GS &gs, int x, int y, Surface* s, const Rect& r) = 0;

	virtual Uint32 get_pixel (int x, int y) = 0;

        //! Set a single pixel
	virtual void set_pixel  (const GS &gs, int x, int y) = 0;

        //! Set multiple pixels at once
	virtual void set_pixels (const GS &gs, int n, const int *x, const int *y);

        //! Draw a horizontal line
	virtual void hline (const GS &gs, int x, int y, int w);

        //! Draw a vertical line
	virtual void vline (const GS &gs, int x, int y, int h);

        //! Draw an arbitrary line
        virtual void line  (const GS &gs, int x1, int y1, int x2, int y2);

        //! Draw a filled box.
	virtual void box   (const GS &gs, int x, int y, int w, int h);

        //! Return size of drawable: Rect (0,0,width, height)
        virtual Rect size() const = 0;
    };


    class Surface : public Drawable {
        ~Surface();

        int width();
        int height();
    };

    class Screen {
        Surface *get_surface();
	void update_all();
	void update_rect(const Rect& r);
	void flush_updates();
	void set_caption(const char* str);
    };

    class Font {
        ~Font();
        int get_lineskip();
        int get_height();

        int get_width(const char *str);

	Surface *render(const char *str);
        void render(Surface *s, int x, int y, const char * str);
    };
}