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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_dc_buffer_generic
#define header_dc_buffer_generic
#if _MSC_VER > 1000
#pragma once
#endif
#include <windows.h>
#include "API/Display/pixel_buffer.h"
#include "Display/pixel_buffer_generic.h"
class CL_DeviceContextBuffer_Generic : public CL_PixelBuffer_Generic
{
//! Construction:
public:
//: Construct a pixelbuffer using the pixel format of the passed device context.
CL_DeviceContextBuffer_Generic(HDC reference_dc, int width, int height, bool monocrome_alpha);
~CL_DeviceContextBuffer_Generic();
//! Attributes:
public:
HDC get_dc() { return memory_dc; }
//! Operations:
public:
//: Returns a pointer to the beginning of the pixel buffer. Pointer
//: is only valid inside a lock/unlock session.
virtual void *get_data();
//: Reference counted lock function.
virtual void perform_lock();
//: Reference counted unlock function.
virtual void perform_unlock();
//! Implementation:
private:
HDC ref_dc;
HDC memory_dc;
BITMAPINFO bitmap_info;
HBITMAP bitmap, orig_bitmap;
unsigned char *data;
bool first_lock;
};
#endif
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