DIB.H
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上传日期:2007-01-02
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文件大小:2k
- /////////////////////////////////////////////////////////////////////////////
- // Copyright (C) 1998 by Jorge Lodos
- // All rights reserved
- //
- // Distribute and use freely, except:
- // 1. Don't alter or remove this notice.
- // 2. Mark the changes you made
- //
- // Send bug reports, bug fixes, enhancements, requests, etc. to:
- // lodos@cigb.edu.cu
- /////////////////////////////////////////////////////////////////////////////
- // dib.h
- #ifndef _INC_DIB
- #define _INC_DIB
- /* DIB constants */
- #define PALVERSION 0x300
- /* Dib Header Marker - used in writing DIBs to files */
- #define DIB_HEADER_MARKER ((WORD) ('M' << 8) | 'B')
- /* DIB Macros*/
- #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)
- class CDib : public CObject
- {
- DECLARE_DYNAMIC(CDib)
- // Constructors
- public:
- CDib();
- // Attributes
- protected:
- LPBYTE m_pBits;
- LPBITMAPINFO m_pBMI;
- public:
- CPalette* m_pPalette;
- public:
- DWORD Width() const;
- DWORD Height() const;
- WORD NumColors() const;
- BOOL IsValid() const { return (m_pBMI != NULL); }
- // Operations
- public:
- BOOL Paint(HDC, LPRECT, LPRECT) const;
- HGLOBAL CopyToHandle() const;
- DWORD Save(CFile& file) const;
- DWORD Read(CFile& file);
- DWORD ReadFromHandle(HGLOBAL hGlobal);
- void Invalidate() { Free(); }
- virtual void Serialize(CArchive& ar);
- // Implementation
- public:
- virtual ~CDib();
- protected:
- BOOL CreatePalette();
- WORD PaletteSize() const;
- void Free();
- public:
- #ifdef _DEBUG
- virtual void Dump(CDumpContext& dc) const;
- #endif
- protected:
- CDib& operator = (CDib& dib);
- };
- #endif //!_INC_DIB