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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_surface_target_opengl
#define header_surface_target_opengl
#if _MSC_VER > 1000
#pragma once
#endif
#include "Display/surface_generic.h"
#include "Display/surface_target.h"
#include "API/Display/surface.h"
#include "API/Core/Math/size.h"
#include "GL/gl_state_checker.h"
class CL_Canvas_OpenGL;
class CL_Surface_Target_OpenGL : public CL_Surface_Target
{
//! Construction:
public:
CL_Surface_Target_OpenGL(
CL_PixelBuffer provider,
int flag);
CL_Surface_Target_OpenGL(
const CL_PixelFormat &pf,
const CL_Size &size);
virtual ~CL_Surface_Target_OpenGL();
//! Attributes:
public:
//: Returns the width.
virtual int get_width() const;
//: Returns the height.
virtual int get_height() const;
//: Returns a pixelbuffer object for accessing surface data.
virtual CL_PixelBuffer get_pixeldata();
//: Returns a graphic context object for rendering to this surface.
virtual CL_GraphicContext *get_gc();
//: OpenGL texture handle.
CLuint handle;
CL_Size surface_size;
CL_Size texture_size;
CL_Canvas_OpenGL *selected_canvas;
CL_PixelBuffer original_pixelbuffer;
//! Operations:
public:
//: Uploads pixel data to surface.
//!param pos: Position on surface where pixel data should be put.
//!param pixeldata: CL_PixelBuffer containing the image to be uploaded.
//!param src_rect: Part of pixelbuffer that should be uploaded.
virtual void set_pixeldata(const CL_Point &pos, const CL_Rect &src_rect, CL_PixelBuffer &pixeldata);
//: Draw surface on screen.
virtual void draw(
CL_Surface_Generic *attributes,
const CL_Surface_DrawParams1& params1,
CL_GraphicContext *gc);
// Get the surface handle
int get_handle();
//! Implementation:
private:
CL_GLState state;
};
#endif
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