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/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
#ifndef header_canvas_generic
#define header_canvas_generic
#if _MSC_VER > 1000
#pragma once
#endif
#include "API/Display/canvas.h"
class CL_Surface_Generic;
class CL_Canvas_Generic
{
//! Construction:
public:
CL_Canvas_Generic() : ref_count(0) { return; }
virtual ~CL_Canvas_Generic() { return; }
//! Attributes:
public:
virtual CL_GraphicContext *get_gc() = 0;
virtual CL_PixelBuffer get_pixeldata(const CL_Rect &area) = 0;
virtual int get_width() const = 0;
virtual int get_height() const = 0;
//! Operations:
public:
void add_ref() { ref_count++; }
void release_ref() { ref_count--; if (ref_count == 0) delete this; }
virtual void set_pixeldata(const CL_Point &dest, const CL_Rect &src, const CL_PixelBuffer &data) = 0;
virtual void select_surface(CL_Surface_Generic *surface) = 0;
virtual void sync_surface() = 0;
//! Implementation:
private:
int ref_count;
};
#endif
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