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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_display_window_opengl
#define header_display_window_opengl
#if _MSC_VER > 1000
#pragma once
#endif
#ifdef WIN32
#include <windows.h>
#endif
#include "Display/Win32/display_window_win32.h"
#include "API/Display/graphic_context.h"
#include "API/Display/pixel_buffer.h"
#include <GL/glu.h>
#include <stack>
class CL_DisplayWindow_OpenGL : public CL_DisplayWindow_Win32
{
//! Construction:
public:
CL_DisplayWindow_OpenGL();
virtual ~CL_DisplayWindow_OpenGL();
//! Attributes:
public:
//: Returns the gc of this window.
virtual CL_GraphicContext *get_gc();
//: Returns pixel buffer of frame buffer.
virtual CL_PixelBuffer get_buffer(int i) const;
//: Returns the number of frame buffers.
virtual int get_buffer_count() const;
//: OpenGL rendering context for this window.
HGLRC get_context() { return context; }
//: Device context for this window.
HDC get_dc();
static std::list<HGLRC> opengl_contexts;
//! Operations:
public:
//: Called when a window is to be created.
virtual void create_window(const CL_DisplayWindowDescription &desc);
//: Called when a window is destroyed.
virtual void destroy_window();
//: Called when window receives a windows event.
virtual bool received_event(UINT uMsg, WPARAM wParam, LPARAM lParam);
//: Flip opengl buffers.
virtual void flip(int interval);
//: Copy a region of the backbuffer to the frontbuffer.
virtual void update(const CL_Rect &rect);
//! Implementation:
private:
//: Repaint layered window.
void repaint_layered();
//: OpenGL compatible gc.
CL_GraphicContext gc;
//: OpenGL rendering context for this window.
HGLRC context;
//: Device context for this window.
HDC hdc;
//: Device context to layered bitmap.
HDC layered_dc;
//: Layered bitmap.
HBITMAP layered_bitmap;
//: Original bitmap selected into the layered DC.
HBITMAP layered_orig_bitmap;
//: Layered window, user32.dll dll handle.
HMODULE user32_dll;
//: Layered window, function pointer for UpdateLayeredWindow.
typedef BOOL (WINAPI *PtrUpdateLayeredWindow)(
HWND, HDC, POINT *, SIZE *, HDC, POINT *, COLORREF, BLENDFUNCTION *, DWORD);
PtrUpdateLayeredWindow ptr_UpdateLayeredWindow;
};
#endif
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