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141 lines
5.0 KiB
C++
141 lines
5.0 KiB
C++
//-----------------------------------------------------------------------------
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// File: ddutil.cpp
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//
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// Desc: Routines for loading bitmap and palettes from resources
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//
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// Copyright (C) 1998-1999 Microsoft Corporation. All Rights Reserved.
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//-----------------------------------------------------------------------------
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#ifndef DDUTIL_H
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#define DDUTIL_H
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#include <ddraw.h>
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#include <d3d.h>
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//-----------------------------------------------------------------------------
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// Classes defined in this header file
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//-----------------------------------------------------------------------------
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class CDisplay;
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class CSurface;
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//-----------------------------------------------------------------------------
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// Flags for the CDisplay and CSurface methods
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//-----------------------------------------------------------------------------
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#define DSURFACELOCK_READ
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#define DSURFACELOCK_WRITE
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//-----------------------------------------------------------------------------
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// Name: class CDisplay
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// Desc: Class to handle all DDraw aspects of a display, including creation of
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// front and back buffers, creating offscreen surfaces and palettes,
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// and blitting surface and displaying bitmaps.
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//-----------------------------------------------------------------------------
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class CDisplay
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{
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protected:
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LPDIRECTDRAW7 m_pDD;
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LPDIRECTDRAWSURFACE7 m_pddsFrontBuffer;
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LPDIRECTDRAWSURFACE7 m_pddsBackBuffer;
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LPDIRECTDRAWSURFACE7 m_pddsBackBufferLeft; // For stereo modes
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HWND m_hWnd;
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RECT m_rcWindow;
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BOOL m_bWindowed;
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BOOL m_bStereo;
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public:
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CDisplay();
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~CDisplay();
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// Access functions
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HWND GetHWnd() { return m_hWnd; }
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LPDIRECTDRAW7 GetDirectDraw() { return m_pDD; }
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LPDIRECTDRAWSURFACE7 GetFrontBuffer() { return m_pddsFrontBuffer; }
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LPDIRECTDRAWSURFACE7 GetBackBuffer() { return m_pddsBackBuffer; }
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LPDIRECTDRAWSURFACE7 GetBackBufferLEft() { return m_pddsBackBufferLeft; }
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// Status functions
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BOOL IsWindowed() { return m_bWindowed; }
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BOOL IsStereo() { return m_bStereo; }
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// Creation/destruction methods
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HRESULT CreateFullScreenDisplay( HWND hWnd, DWORD dwWidth, DWORD dwHeight,
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DWORD dwBPP );
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HRESULT CreateWindowedDisplay( HWND hWnd, DWORD dwWidth, DWORD dwHeight );
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HRESULT InitClipper();
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HRESULT UpdateBounds();
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virtual HRESULT DestroyObjects();
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// Methods to create child objects
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HRESULT CreateSurface( CSurface** ppSurface, DWORD dwWidth,
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DWORD dwHeight );
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HRESULT CreateSurfaceFromBitmap( CSurface** ppSurface, TCHAR* strBMP,
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DWORD dwDesiredWidth,
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DWORD dwDesiredHeight );
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HRESULT CreateSurfaceFromText( CSurface** ppSurface, HFONT hFont,
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TCHAR* strText,
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COLORREF crBackground,
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COLORREF crForeground );
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HRESULT CreatePaletteFromBitmap( LPDIRECTDRAWPALETTE* ppPalette, const TCHAR* strBMP );
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// Display methods
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HRESULT Clear( DWORD dwColor = 0L );
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HRESULT ColorKeyBlt( DWORD x, DWORD y, LPDIRECTDRAWSURFACE7 pdds,
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RECT* prc = NULL );
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HRESULT Blt( DWORD x, DWORD y, LPDIRECTDRAWSURFACE7 pdds,
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RECT* prc=NULL, DWORD dwFlags=0 );
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HRESULT Blt( DWORD x, DWORD y, CSurface* pSurface, RECT* prc = NULL );
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HRESULT ShowBitmap( HBITMAP hbm, LPDIRECTDRAWPALETTE pPalette=NULL );
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HRESULT SetPalette( LPDIRECTDRAWPALETTE pPalette );
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HRESULT Present();
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};
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//-----------------------------------------------------------------------------
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// Name: class CSurface
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// Desc: Class to handle aspects of a DirectDrawSurface.
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//-----------------------------------------------------------------------------
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class CSurface
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{
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LPDIRECTDRAWSURFACE7 m_pdds;
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DDSURFACEDESC2 m_ddsd;
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BOOL m_bColorKeyed;
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public:
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LPDIRECTDRAWSURFACE7 GetDDrawSurface() { return m_pdds; }
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BOOL IsColorKeyed() { return m_bColorKeyed; }
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HRESULT DrawBitmap( HBITMAP hBMP, DWORD dwBMPOriginX = 0, DWORD dwBMPOriginY = 0,
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DWORD dwBMPWidth = 0, DWORD dwBMPHeight = 0 );
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HRESULT DrawBitmap( TCHAR* strBMP, DWORD dwDesiredWidth, DWORD dwDesiredHeight );
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HRESULT DrawText( HFONT hFont, TCHAR* strText, DWORD dwOriginX, DWORD dwOriginY,
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COLORREF crBackground, COLORREF crForeground );
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HRESULT SetColorKey( DWORD dwColorKey );
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DWORD ConvertGDIColor( COLORREF dwGDIColor );
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static HRESULT GetBitMaskInfo( DWORD dwBitMask, DWORD* pdwShift, DWORD* pdwBits );
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HRESULT Create( LPDIRECTDRAW7 pDD, DDSURFACEDESC2* pddsd );
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HRESULT Create( LPDIRECTDRAWSURFACE7 pdds );
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HRESULT Destroy();
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CSurface();
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~CSurface();
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};
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#endif // DDUTIL_H
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