/**
 * $Id: GPW_Canvas.h,v 1.5 2002/12/27 13:10:45 mein Exp $
 *
 * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */

#ifndef _GPW_CANVAS_H_
#define _GPW_CANVAS_H_

#ifdef WIN32
#pragma warning (disable:4786) // suppress stl-MSVC debug info warning
#endif

#include <iostream>
#include <windows.h>
#include <gl/gl.h>

#include "GPC_Canvas.h"


class GPW_Canvas : public GPC_Canvas
{
protected:
	/** The window handle. */
	HWND m_hWnd;
	/** Rendering context. */
	HGLRC	m_hRC;
	/** Device Context. */
    HDC		m_hDC;

public:
	/**
	 * Constructor.
	 */
	GPW_Canvas(HWND hWnd, HDC hDC, int width, int height);

	/**
	 * Destructor.
	 */
	virtual ~GPW_Canvas(void);

	virtual void Init(void);

	/**
	 * Moves the cursor to a new location.
	 * @param x The x-coordinate of the new location.
	 * @param x The y-coordinate of the new location.
	 */
	virtual void SetMousePosition(int x, int y);

	/**
	 * Sets the cursor shape and/or visibility.
	 * @param mousestate The new state ofthe cursor.
	 */
	virtual void SetMouseState(RAS_MouseState mousestate);

	bool BeginDraw(void);
	void EndDraw(void);

	virtual void SwapBuffers(void);

	virtual HDC GetHDC(void)
	{
		return m_hDC;
	}

	virtual void SetHDC(HDC hDC)
	{
		if (hDC != m_hDC) {
			m_hDC = hDC;
		}
	}

	virtual HGLRC GetHGLRC(void)
	{
		return m_hRC;
	}

protected:
	/**
	 * Hides the mouse cursor.
	 */
	void HideCursor(void);

	/**
	 * Shows the mouse cursor.
	 */
	void ShowCursor(void);
};

#endif // _GPW_CANVAS_H_

