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// CBitmap.h
//
// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (c) 1992 - 1999 Microsoft Corporation. All Rights Reserved.
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.
#ifndef _INC_CBITMAP
#define _INC_CBITMAP
#include "MSMFCnt.h" // for definitions of the blit types
/* Handle to a DIB */DECLARE_HANDLE(HDIB);
/* DIB constants */#define PALVERSION 0x300
/* DIB Macros*/
#define IS_WIN30_DIB(lpbi) ((*(LPDWORD)(lpbi)) == sizeof(BITMAPINFOHEADER))
#define RECTWIDTH(lpRect) ((lpRect)->right - (lpRect)->left)
#define RECTHEIGHT(lpRect) ((lpRect)->bottom - (lpRect)->top)
// WIDTHBYTES performs DWORD-aligning of DIB scanlines. The "bits"
// parameter is the bit count for the scanline (biWidth * biBitCount),
// and this macro returns the number of DWORD-aligned bytes needed
// to hold those bits.
#define WIDTHBYTES(bits) (((bits) + 31) / 32 * 4)
// Some helper functions
inline DWORD WINAPI DIBSize(LPSTR lpDIB);inline DWORD WINAPI DIBWidth (LPSTR lpDIB);inline DWORD WINAPI DIBHeight (LPSTR lpDIB);inline BYTE RGBtoL(BYTE R, BYTE G, BYTE B);HGLOBAL WINAPI CopyHandle (HGLOBAL h);
class CBitmap {
public: /* Function prototypes */
CBitmap(){ Init();} virtual ~CBitmap() {CleanUp();} void Init(); void CleanUp(); HPALETTE GetPal() { return m_hPal;} RECT GetDIBRect() {return m_rc;}
BOOL CreateMemDC(HDC, LPRECT); BOOL DeleteMemDC(); BOOL CreateTransDC(HDC, LPRECT); BOOL DeleteTransDC(); BOOL BlitMemDC(HDC hDc, LPRECT lpDCRect, LPRECT lpDIBRect); HRESULT WINAPI SetImage(TCHAR* strFilename, HINSTANCE hRes); BOOL WINAPI PaintDIB (HDC, LPRECT, LPRECT, LPRECT, bool complex=false); BOOL WINAPI PaintTransparentDIB(HDC, LPRECT, LPRECT, TransparentBlitType, bool complex=false, HWND hWnd=NULL); BOOL WINAPI CreateDIBPalette(); BOOL WINAPI ConvertColorTableGray(); BOOL WINAPI ConvertDIBGray(TransparentBlitType blitType); LPSTR WINAPI FindDIBBits (LPSTR lpbi); WORD WINAPI PaletteSize (LPSTR lpbi); WORD WINAPI DIBNumColors (LPSTR lpbi); HGLOBAL WINAPI CopyHandle (HGLOBAL h); bool IsEmpty(){return(NULL == m_hDIB);}; bool IsPaletteLoaded(){return(m_fLoadPalette);} void LoadPalette(bool fLoadPalette){m_fLoadPalette = fLoadPalette;}; HDIB WINAPI ReadDIBFile(LPCTSTR pszFileName, HINSTANCE hRes); HRESULT PutImage(BSTR strFilename, HINSTANCE hRes = NULL, IUnknown* pUnk = NULL, bool fGrayOut=false, TransparentBlitType=DISABLE); HRESULT XORRegion(HRGN *phRgn, HRGN hRgn, const RECT &rc) const; HRESULT GetRegion(HDC hDC, HRGN *phRgn, RECT* pRect, COLORREF, bool fInvert=FALSE) const;
protected:
HDIB m_hDIB; HPALETTE m_hPal; RECT m_rc; HDC m_hMemDC; HBITMAP m_hMemBMP; LONG m_iMemDCWidth; LONG m_iMemDCHeight; HDC m_hTransDC; HBITMAP m_hTransBMP; LONG m_iTransDCWidth; LONG m_iTransDCHeight; HRGN m_hRgn; bool m_fLoadPalette;};
#endif //!_INC_CBITMAP
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