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/* Copyright (C) 1994-2003 Revolution Software Ltd
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
//-----------------------------------------------------------------------------
// File: ddutil.cpp
//
// Desc: Routines for loading bitmap and palettes from resources
//
// Copyright (C) 1998-2001 Microsoft Corporation. All Rights Reserved.
//-----------------------------------------------------------------------------
#ifndef DDUTIL_H
#define DDUTIL_H
#include <ddraw.h>
#include <d3d.h>
//-----------------------------------------------------------------------------
// Classes defined in this header file
//-----------------------------------------------------------------------------
class CDisplay;
class CSurface;
//-----------------------------------------------------------------------------
// Flags for the CDisplay and CSurface methods
//-----------------------------------------------------------------------------
#define DSURFACELOCK_READ
#define DSURFACELOCK_WRITE
//-----------------------------------------------------------------------------
// Name: class CDisplay
// Desc: Class to handle all DDraw aspects of a display, including creation of
// front and back buffers, creating offscreen surfaces and palettes,
// and blitting surface and displaying bitmaps.
//-----------------------------------------------------------------------------
class CDisplay
{
protected:
LPDIRECTDRAW7 m_pDD;
LPDIRECTDRAWSURFACE7 m_pddsFrontBuffer;
LPDIRECTDRAWSURFACE7 m_pddsBackBuffer;
LPDIRECTDRAWSURFACE7 m_pddsBackBufferLeft; // For stereo modes
HWND m_hWnd;
RECT m_rcWindow;
BOOL m_bWindowed;
BOOL m_bStereo;
public:
CDisplay();
~CDisplay();
// Access functions
HWND GetHWnd() { return m_hWnd; }
LPDIRECTDRAW7 GetDirectDraw() { return m_pDD; }
LPDIRECTDRAWSURFACE7 GetFrontBuffer() { return m_pddsFrontBuffer; }
LPDIRECTDRAWSURFACE7 GetBackBuffer() { return m_pddsBackBuffer; }
LPDIRECTDRAWSURFACE7 GetBackBufferLeft() { return m_pddsBackBufferLeft; }
// Status functions
BOOL IsWindowed() { return m_bWindowed; }
BOOL IsStereo() { return m_bStereo; }
// Creation/destruction methods
HRESULT CreateFullScreenDisplay( HWND hWnd, DWORD dwWidth, DWORD dwHeight,
DWORD dwBPP );
HRESULT CreateWindowedDisplay( HWND hWnd, DWORD dwWidth, DWORD dwHeight );
HRESULT InitClipper();
HRESULT UpdateBounds();
virtual HRESULT DestroyObjects();
// Methods to create child objects
HRESULT CreateSurface( CSurface** ppSurface, DWORD dwWidth,
DWORD dwHeight );
HRESULT CreateSurfaceFromBitmap( CSurface** ppSurface, TCHAR* strBMP,
DWORD dwDesiredWidth,
DWORD dwDesiredHeight );
HRESULT CreateSurfaceFromText( CSurface** ppSurface, HFONT hFont,
TCHAR* strText,
COLORREF crBackground,
COLORREF crForeground );
HRESULT CreatePaletteFromBitmap( LPDIRECTDRAWPALETTE* ppPalette, const TCHAR* strBMP );
// Display methods
HRESULT Clear( DWORD dwColor = 0L );
HRESULT ColorKeyBlt( DWORD x, DWORD y, LPDIRECTDRAWSURFACE7 pdds,
RECT* prc = NULL );
HRESULT Blt( DWORD x, DWORD y, LPDIRECTDRAWSURFACE7 pdds,
RECT* prc=NULL, DWORD dwFlags=0 );
HRESULT Blt( DWORD x, DWORD y, CSurface* pSurface, RECT* prc = NULL );
HRESULT ShowBitmap( HBITMAP hbm, LPDIRECTDRAWPALETTE pPalette=NULL );
HRESULT SetPalette( LPDIRECTDRAWPALETTE pPalette );
HRESULT Present();
};
//-----------------------------------------------------------------------------
// Name: class CSurface
// Desc: Class to handle aspects of a DirectDrawSurface.
//-----------------------------------------------------------------------------
class CSurface
{
LPDIRECTDRAWSURFACE7 m_pdds;
DDSURFACEDESC2 m_ddsd;
BOOL m_bColorKeyed;
public:
LPDIRECTDRAWSURFACE7 GetDDrawSurface() { return m_pdds; }
BOOL IsColorKeyed() { return m_bColorKeyed; }
HRESULT DrawBitmap( HBITMAP hBMP, DWORD dwBMPOriginX = 0, DWORD dwBMPOriginY = 0,
DWORD dwBMPWidth = 0, DWORD dwBMPHeight = 0 );
HRESULT DrawBitmap( TCHAR* strBMP, DWORD dwDesiredWidth, DWORD dwDesiredHeight );
HRESULT DrawText( HFONT hFont, TCHAR* strText, DWORD dwOriginX, DWORD dwOriginY,
COLORREF crBackground, COLORREF crForeground );
HRESULT SetColorKey( DWORD dwColorKey );
DWORD ConvertGDIColor( COLORREF dwGDIColor );
static HRESULT GetBitMaskInfo( DWORD dwBitMask, DWORD* pdwShift, DWORD* pdwBits );
HRESULT Create( LPDIRECTDRAW7 pDD, DDSURFACEDESC2* pddsd );
HRESULT Create( LPDIRECTDRAWSURFACE7 pdds );
HRESULT Destroy();
CSurface();
~CSurface();
};
#endif // DDUTIL_H
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