forked from bartvdbraak/blender
191 lines
2.9 KiB
C++
191 lines
2.9 KiB
C++
/**
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* $Id$
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef __RAS_ICANVAS
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#define __RAS_ICANVAS
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/**
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* 2D rendering device context. The connection from 3d rendercontext to 2d surface.
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*/
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#ifdef WITH_CXX_GUARDEDALLOC
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#include "MEM_guardedalloc.h"
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#endif
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class RAS_Rect;
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class RAS_ICanvas
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{
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public:
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enum BufferType {
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COLOR_BUFFER=1,
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DEPTH_BUFFER=2
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};
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enum RAS_MouseState
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{
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MOUSE_INVISIBLE=1,
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MOUSE_WAIT,
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MOUSE_NORMAL
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};
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virtual
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~RAS_ICanvas(
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) {
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};
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virtual
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void
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Init(
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) = 0;
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virtual
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void
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BeginFrame(
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)=0;
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virtual
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void
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EndFrame(
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)=0;
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/**
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* Initializes the canvas for drawing. Drawing to the canvas is
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* only allowed between BeginDraw() and EndDraw().
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*
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* @retval false Acquiring the canvas failed.
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* @retval true Acquiring the canvas succeeded.
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*
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*/
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virtual
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bool
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BeginDraw(
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)=0;
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/**
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* Unitializes the canvas for drawing.
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*/
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virtual
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void
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EndDraw(
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)=0;
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/// probably needs some arguments for PS2 in future
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virtual
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void
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SwapBuffers(
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)=0;
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virtual
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void
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ClearBuffer(
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int type
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)=0;
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virtual
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void
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ClearColor(
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float r,
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float g,
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float b,
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float a
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)=0;
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virtual
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int
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GetWidth(
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) const = 0;
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virtual
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int
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GetHeight(
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) const = 0;
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virtual
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const RAS_Rect &
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GetDisplayArea(
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) const = 0;
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virtual
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void
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SetDisplayArea(RAS_Rect *rect
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) = 0;
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/**
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* Used to get canvas area within blender.
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*/
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virtual
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RAS_Rect &
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GetWindowArea(
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) = 0;
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/**
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* Set the visible vieport
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*/
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virtual
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void
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SetViewPort(
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int x1, int y1,
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int x2, int y2
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) = 0;
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virtual
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void
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SetMouseState(
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RAS_MouseState mousestate
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)=0;
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virtual
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void
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SetMousePosition(
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int x,
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int y
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)=0;
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virtual
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void
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MakeScreenShot(
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const char* filename
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)=0;
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#ifdef WITH_CXX_GUARDEDALLOC
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public:
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void *operator new( unsigned int num_bytes) { return MEM_mallocN(num_bytes, "GE:RAS_ICanvas"); }
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void operator delete( void *mem ) { MEM_freeN(mem); }
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#endif
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};
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#endif //__RAS_ICANVAS
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