66 lines
1.1 KiB
C
66 lines
1.1 KiB
C
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#ifndef __DIBCLASSES_H
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#define __DIBCLASSES_H
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//
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// class CDibFile
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//
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class CDibFile
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{
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public:
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CDibFile();
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~CDibFile();
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HRESULT GetFileHeader(IStream *);
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HRESULT GetInfoHeader(IStream *);
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DWORD HeaderSize() { return(m_headerSize); }
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DWORD CalcImageSize();
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operator BITMAPINFO * () { return(m_bmi.p); }
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operator BITMAPINFOHEADER * () { return(&m_bmi.p->bmiHeader); }
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private:
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DWORD m_headerSize;
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union
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{
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BITMAPINFO * p;
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unsigned char * bytes;
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} m_bmi;
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};
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class CDibSection
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{
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public:
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CDibSection();
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~CDibSection();
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HRESULT Create ( CDibFile& );
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HRESULT Setup ( HDC basedOnThisDC);
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HRESULT ReadFrom( IStream * strm, DWORD amount );
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HRESULT PaintTo ( HDC hdc, int x = 0, int y = 0 );
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HRESULT GetSize ( SIZEL &sz);
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DWORD ImageSize() { return(m_imageSize); }
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void ImageSize(DWORD dw) { m_imageSize = dw; }
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operator HANDLE() { return m_handle; }
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unsigned char * Base() { return(m_bitsBase); }
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private:
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unsigned char * m_bitsBase;
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unsigned char * m_current;
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HDC m_memDC;
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HBITMAP m_handle;
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HBITMAP m_oldBitmap;
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LONG m_h;
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LONG m_w;
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DWORD m_imageSize;
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};
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#endif __DIBCLASSES_H
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