KX_BlenderCanvas.h

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/*
 * ***** 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