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/**
* $Id$
*
* ***** 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;
/**
* 2D Blender device context abstraction.
* The connection from 3d rendercontext to 2d Blender surface embedding.
*/
class KX_BlenderCanvas : public RAS_ICanvas
{
private:
/** Rect that defines the area used for rendering,
relative to the context */
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
);
/**
* Nothing needs be done for BlenderCanvas
* Begin/End Draw, as the game engine GL context
* is always current/active.
*/
bool
BeginDraw(
) {
return true;
};
void
EndDraw(
) {
};
private:
/** Blender area the game engine is running within */
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( unsigned int num_bytes) { return MEM_mallocN(num_bytes, "GE:KX_BlenderCanvas"); }
void operator delete( void *mem ) { MEM_freeN(mem); }
#endif
};
#endif // __KX_BLENDERCANVAS
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