KX_BlenderCanvas.h

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/*
 * $Id: KX_BlenderCanvas.h 35063 2011-02-22 10:33:14Z jesterking $
 *
 * ***** BEGIN GPL 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.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 LICENSE BLOCK *****
 */

#ifndef __KX_BLENDERCANVAS
#define __KX_BLENDERCANVAS

#ifdef WIN32
#include <windows.h>
#endif 

#include "GL/glew.h"

#include "RAS_ICanvas.h"
#include "RAS_Rect.h"

#include "KX_BlenderGL.h"

#ifdef WITH_CXX_GUARDEDALLOC
#include "MEM_guardedalloc.h"
#endif

struct ARegion;
struct wmWindow;

class KX_BlenderCanvas : public RAS_ICanvas
{
private:
        RAS_Rect m_displayarea;

public:
        /* Construct a new canvas.
         * 
         * @param area The Blender ARegion to run the game within.
         */
        KX_BlenderCanvas(struct wmWindow* win, class RAS_Rect &rect, struct ARegion* ar);
        ~KX_BlenderCanvas();

                void 
        Init(
        );
        
                void 
        SwapBuffers(
        );
                void 
        Resize(
                int width,
                int height
        );

                void
        BeginFrame(
        );

                void 
        EndFrame(
        );

                void 
        ClearColor(
                float r,
                float g,
                float b,
                float a
        );

                void 
        ClearBuffer(
                int type
        );

                int 
        GetWidth(
        ) const ;

                int 
        GetHeight(
        ) const ;

                int
        GetMouseX(int x
        );

                int
        GetMouseY(int y
        );

                float
        GetMouseNormalizedX(int x
        );

                float
        GetMouseNormalizedY(int y
        );

        const
                RAS_Rect &
        GetDisplayArea(
        ) const {
                return m_displayarea;
        };

                void
        SetDisplayArea(RAS_Rect *rect
        ) {
                m_displayarea= *rect;
        };

                RAS_Rect &
        GetWindowArea(
        );

                void
        SetViewPort(
                int x1, int y1,
                int x2, int y2
        );

                void 
        SetMouseState(
                RAS_MouseState mousestate
        );

                void 
        SetMousePosition(
                int x,
                int y
        );

                void 
        MakeScreenShot(
                const char* filename
        );
        
                bool 
        BeginDraw(
        ) {
                        return true;
        };

                void 
        EndDraw(
        ) {
        };

private:
        struct wmWindow* m_win;
        RAS_Rect        m_frame_rect;
        RAS_Rect        m_area_rect;
        short           m_area_left;
        short           m_area_top;


#ifdef WITH_CXX_GUARDEDALLOC
public:
        void *operator new(size_t num_bytes) { return MEM_mallocN(num_bytes, "GE:KX_BlenderCanvas"); }
        void operator delete( void *mem ) { MEM_freeN(mem); }
#endif
};

#endif // __KX_BLENDERCANVAS