#ifndef __SHAPE_H__
#define __SHAPE_H__

#include <Exceptions.h>
#include <BString.h>
#include <mcolor.h>
#include <texture.h>

namespace mogltk {
    typedef enum {
	LEFT,
	CENTER,
	RIGHT
    } align_t;
    class fillwalker : public Base {
      public:
          fillwalker();
	  virtual ~fillwalker();
        virtual void step(int x, int y);
    };
    class fill : public Base {
      public:
          fill();
	  virtual ~fill();
	void walk(fillwalker *);
	void insert(int, int);
	int GetMinX() const;
	int GetMinY() const;
	int GetMaxX() const;
	int GetMaxY() const;
	texture * GetTexture();
	texture * Talloc();
	Color last;
      private:
        class sline : public Base {
	  public:
	      sline(int, fill *);
	      virtual ~sline();
	    int GetY() const;
	    void insert(int, int);
	    void walk(fillwalker *);
	  private:
    	    class point : public Base {
	      public:
	          point(int, sline *);
		  virtual ~point();
		int GetX() const;
		int GetY() const;
		void walk(fillwalker *);
		point * look(int);
	      private:
	        int x;
		point * next;
		sline * header;
	    };
	    int y;
	    sline * next;
	    fill * header;
	    sline * look(int);
	  protected:
	    point * pheader;
	    friend class point;
	};
	int minX, minY, maxX, maxY;
	texture * cached;
      protected:
        sline * header;
        friend class sline;
    };
    class shape : public Base {
      public:
        virtual void pixel(int x, int y, ColorP = WHITE);
	virtual void circle(int x, int y, int r, ColorP = WHITE);
	virtual void pcircle(int x, int y, int r, ColorP = WHITE);
	virtual fill * fcircle(int x, int y, int r);
	virtual void fdraw(fill *, ColorP = WHITE, int sx = 0, int sy = 0);
	virtual void arc(int x, int y, int r, double a1, double a2, ColorP = DOS_WHITE);
	virtual void arc(int x, int y, int r, int x1, int y1, int x2, int y2, ColorP = DOS_WHITE);
        virtual void box(int x1, int y1, int x2, int y2, ColorP = DOS_WHITE);
        virtual void box3d(int x1, int y1, int x2, int y2, ColorP = DOS_WHITE, ColorP = DOS_HIGH_WHITE, ColorP = DOS_GRAY, int = 2, bool = false);
        virtual void box(int x1, int y1, int x2, int y2, ColorP, ColorP, ColorP, ColorP);
        virtual void obox(int x1, int y1, int x2, int y2, ColorP = DOS_WHITE);
        virtual void obox3d(int x1, int y1, int x2, int y2, ColorP = DOS_HIGH_WHITE, ColorP = DOS_GRAY, bool = false);
        virtual void obox(int x1, int y1, int x2, int y2, ColorP, ColorP, ColorP, ColorP);
	virtual void hline(int x1, int x2, int y, ColorP = DOS_WHITE);
	virtual void hline3d(int x1, int x2, int y, ColorP = DOS_HIGH_WHITE, ColorP = DOS_GRAY, bool = false);
	virtual void hline(int x1, int x2, int y, ColorP, ColorP);
	virtual void vline(int x, int y1, int y2, ColorP = DOS_WHITE);
	virtual void vline3d(int x, int y1, int y2, ColorP = DOS_HIGH_WHITE, ColorP = DOS_GRAY, bool = false);
	virtual void vline(int x, int y1, int y2, ColorP, ColorP);
        virtual void tbox(texture *, int x1, int y1, int x2, int y2, int tx = 0, int ty = 0, double = 1.0, ColorP = WHITE);
        virtual void tbox(texture *, int x1, int y1, int x2, int y2, int tx1, int ty1, int tx2, int ty2, ColorP = WHITE);
        virtual void tbox(texture *, int x1, int y1, int x2, int y2, ColorP, ColorP, ColorP, ColorP, int tx = 0, int ty = 0, double = 1.0);
        virtual void tbox(texture *, int x1, int y1, int x2, int y2, ColorP, ColorP, ColorP, ColorP, int tx1, int ty1, int tx2, int ty2);
	virtual void window(int x1, int y1, int x2, int y2,
			    const String & title = "",
	                    ColorP titlecolor = DOS_HIGH_WHITE, 
			    ColorP titlebackcolor = DOS_MAGENTA, 
			    ColorP front = DOS_WHITE, 
			    ColorP shade1 = DOS_HIGH_WHITE,
			    ColorP shade2 = DOS_GRAY);
	virtual void text(int x, int y, const String &,
			    ColorP textcolor = DOS_HIGH_WHITE,
			    align_t align = LEFT);
	virtual void text3d(int x, int y, const String &,
			    ColorP textcolor = DOS_BLACK,
			    ColorP shade1 = DOS_HIGH_WHITE,
			    ColorP shade2 = DOS_GRAY,
			    align_t align = LEFT,
			    bool bevel = false);
	virtual void button(int x1, int y1, int x2, int y2, const String &,
			    bool bevel = false,
			    ColorP front = DOS_WHITE,
			    ColorP shade1 = DOS_HIGH_WHITE,
			    ColorP shade2 = DOS_GRAY,
			    ColorP round = DOS_BLACK,
			    ColorP textcolor = DOS_BLACK,
			    ColorP tshade1 = DOS_HIGH_WHITE,
			    ColorP tshade2 = DOS_GRAY);
      private:
        virtual bool Enter();
	virtual void Leave(bool);
    };

    class filldrawer : public fillwalker {
      public:
          filldrawer(fill *, texture *, ColorP = DOS_WHITE);
          virtual ~filldrawer();
        virtual void step(int x, int y);
      private:
	fill * f;
        texture * t;
        ColorP c;
        int oldx, oldy;
    };
};

#endif