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/*  Project nGenEx
	Destroyer Studios LLC
	Copyright © 1997-2004. All Rights Reserved.

	SUBSYSTEM:    nGenEx.lib
	FILE:         Window.h
	AUTHOR:       John DiCamillo


	OVERVIEW
	========
	Window class (a region of a screen or buffer)
*/

#ifndef Window_h
#define Window_h

#include "Types.h"
#include "Geometry.h"
#include "List.h"

// +--------------------------------------------------------------------+

class Color;
class Bitmap;
class Font;
class Screen;
class View;

// +--------------------------------------------------------------------+

class Window
{
	friend class Screen;

public:
	static const char* TYPENAME() { return "Window"; }

	Window(Screen* s, int ax, int ay, int aw, int ah);
	virtual ~Window();

	int operator == (const Window& that) const { return this == &that; }

	// Screen dimensions:
	Screen*           GetScreen()          const { return screen;  }
	const Rect&       GetRect()            const { return rect;    }
	int               X()                  const { return rect.x;  }
	int               Y()                  const { return rect.y;  }
	int               Width()              const { return rect.w;  }
	int               Height()             const { return rect.h;  }

	// Operations:
	virtual void      Paint();
	virtual void      Show()                     { shown = true;   }
	virtual void      Hide()                     { shown = false;  }
	virtual bool      IsShown()            const { return shown;   }

	virtual void      MoveTo(const Rect& r);

	virtual bool      AddView(View* v);
	virtual bool      DelView(View* v);

	Rect              ClipRect(const Rect& r);
	bool              ClipLine(int& x1, int& y1, int& x2, int& y2);
	bool              ClipLine(double& x1, double& y1, double& x2, double& y2);

	void              DrawLine(int x1, int y1, int x2, int y2, Color color, int blend=0);
	void              DrawRect(int x1, int y1, int x2, int y2, Color color, int blend=0);
	void              DrawRect(const Rect& r, Color color, int blend=0);
	void              FillRect(int x1, int y1, int x2, int y2, Color color, int blend=0);
	void              FillRect(const Rect& r, Color color, int alpha=0);
	void              DrawBitmap(int x1, int y1, int x2, int y2, Bitmap* img, int blend=0);
	void              FadeBitmap(int x1, int y1, int x2, int y2, Bitmap* img, Color c, int blend);
	void              ClipBitmap(int x1, int y1, int x2, int y2, Bitmap* img, Color c, int blend, const Rect& clip);
	void              TileBitmap(int x1, int y1, int x2, int y2, Bitmap* img, int blend=0);
	void              DrawLines(int nPts, POINT* pts, Color color, int blend=0);
	void              DrawPoly(int nPts, POINT* pts, Color color, int blend=0);
	void              FillPoly(int nPts, POINT* pts, Color color, int blend=0);

	void              DrawEllipse(int x1, int y1, int x2, int y2, Color color, int blend=0);
	void              FillEllipse(int x1, int y1, int x2, int y2, Color color, int blend=0);

	// text methods:
	void              SetFont(Font* f)           { font = f;    }
	Font*             GetFont()            const { return font; }

	void              Print(int x1, int y1, const char* fmt, ...);
	void              DrawText(const char* txt, int count, Rect& txt_rect, DWORD flags);

protected:
	// translate screen coords into window relative coords
	virtual void      ScreenToWindow(int& x, int& y) { }
	virtual void      ScreenToWindow(Rect& r)        { }

	Rect              rect;
	Screen*           screen;
	bool              shown;
	Font*             font;

	List<View>        view_list;
};

#endif Window_h