mirror of
https://github.com/DxWnd/DxWnd.reloaded
synced 2024-12-30 09:25:35 +01:00
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
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#ifndef _INSIDE_VISUAL_CPP_CDIB
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#define _INSIDE_VISUAL_CPP_CDIB
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class CDib : public CObject
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{
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enum Alloc {noAlloc, crtAlloc, heapAlloc}; // applies to BITMAPINFOHEADER
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DECLARE_SERIAL(CDib)
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public:
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LPVOID m_lpvColorTable;
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HBITMAP m_hBitmap;
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LPBYTE m_lpImage; // starting address of DIB bits
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LPBITMAPINFOHEADER m_lpBMIH; // buffer containing the BITMAPINFOHEADER
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private:
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HGLOBAL m_hGlobal; // for external windows we need to free; could be allocated by this class or allocated externally
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Alloc m_nBmihAlloc;
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Alloc m_nImageAlloc;
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DWORD m_dwSizeImage; // of bits<74>not BITMAPINFOHEADER or BITMAPFILEHEADER
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int m_nColorTableEntries;
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HANDLE m_hFile;
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HANDLE m_hMap;
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LPVOID m_lpvFile;
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HPALETTE m_hPalette;
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public:
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CDib();
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CDib(CSize size, int nBitCount); // builds BITMAPINFOHEADER
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~CDib();
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int GetSizeImage() {return m_dwSizeImage;}
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int GetSizeHeader()
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{return sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * m_nColorTableEntries;}
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CSize GetDimensions();
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BOOL AttachMapFile(const char* strPathname, BOOL bShare = FALSE);
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BOOL CopyToMapFile(const char* strPathname);
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BOOL AttachMemory(LPVOID lpvMem, BOOL bMustDelete = FALSE, HGLOBAL hGlobal = NULL);
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BOOL Draw(CDC* pDC, CPoint origin, CSize size); // until we implement CreateDibSection
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HBITMAP CreateSection(CDC* pDC = NULL);
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UINT UsePalette(CDC* pDC, BOOL bBackground = FALSE);
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BOOL MakePalette();
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BOOL SetSystemPalette(CDC* pDC);
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BOOL Compress(CDC* pDC, BOOL bCompress = TRUE); // FALSE means decompress
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HBITMAP CreateBitmap(CDC* pDC);
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BOOL Read(CFile* pFile);
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BOOL ReadSection(CFile* pFile, CDC* pDC = NULL);
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BOOL Write(CFile* pFile);
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void Serialize(CArchive& ar);
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void Empty();
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private:
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void DetachMapFile();
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void ComputePaletteSize(int nBitCount);
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void ComputeMetrics();
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};
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#endif // _INSIDE_VISUAL_CPP_CDIB
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