87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
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/*++ BUILD Version: 0001
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*
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* WOW v1.0
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*
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* Copyright (c) 1991, Microsoft Corporation
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*
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* WGDI.H
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* WOW32 16-bit GDI API support
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*
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* History:
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* Created 07-Mar-1991 by Jeff Parsons (jeffpar)
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--*/
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typedef struct _DIBINFO {
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HDC di_hdc;
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HANDLE di_hfile;
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HANDLE di_hsec;
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ULONG di_nalignment;
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PVOID di_newdib;
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PVOID di_newIntelDib;
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HBITMAP di_hbm;
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ULONG di_dibsize;
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USHORT di_originaldibsel;
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USHORT di_originaldibflags;
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ULONG di_lockcount;
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struct _DIBINFO *di_next;
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} DIBINFO, *PDIBINFO;
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HDC W32HandleDibDrv (PVPVOID vpbmi16);
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BOOL W32AddDibInfo ( HDC hdcMem,
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HANDLE hfile,
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HANDLE hsec,
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ULONG nalignment,
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PVOID newdib,
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PVOID newIntelDib,
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HBITMAP hbm,
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ULONG dibsize,
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USHORT OriginalFlags,
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USHORT OriginalSel);
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BOOL W32CheckAndFreeDibInfo (HDC hdc);
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VOID W32FreeDibInfo (PDIBINFO pdiCur, PDIBINFO pdiLast);
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ULONG W32RestoreOldDib (PDIBINFO pdi);
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HDC W32FindAndLockDibInfo (USHORT sel);
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BOOL W32CheckDibDrvColorIndices(HDC16 hdcDest, HDC16 hdcSrc);
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VOID W32DibDrvColorIndicesRestore(void);
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typedef struct _DIBSECTIONINFO {
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HBITMAP di_hbm;
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PVOID di_pv16;
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PVOID di_newIntelDib;
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struct _DIBSECTIONINFO *di_next;
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} DIBSECTIONINFO, *PDIBSECTIONINFO;
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BOOL W32CheckAndFreeDibSectionInfo (HBITMAP hbm);
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ULONG cjBitmapBitsSize(CONST BITMAPINFO *pbmi);
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extern PDIBSECTIONINFO pDibSectionInfoHead;
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///////////////////////////////////////////////////////////////////////////////
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//
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// DIB Macros
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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// These are commonly used macros for dib fields access
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//
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//
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#define __abs(a) ((a) >= 0 ? (a) : -(a))
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#define WIDTHBYTES(i) ((unsigned)((i+31)&(~31))/8) /* ULONG aligned ! */
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#define DibWidthBytes(lpbi) (UINT)WIDTHBYTES((UINT)(lpbi)->biWidth * (UINT)((lpbi)->biBitCount))
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#define DibSizeImage(lpbi) ((DWORD)(UINT)DibWidthBytes(lpbi) * (DWORD)(UINT)(__abs((lpbi)->biHeight)))
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#define DibSize(lpbi) ((lpbi)->biSize + (lpbi)->biSizeImage + (int)(lpbi)->biClrUsed * sizeof(RGBQUAD))
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#define DibPtr(lpbi) (LPVOID)(DibColors(lpbi) + (UINT)(lpbi)->biClrUsed)
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#define DibColors(lpbi) ((LPRGBQUAD)((LPBYTE)(lpbi) + (int)(lpbi)->biSize))
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#define DibNumColors(lpbi) ((lpbi)->biClrUsed == 0 && (lpbi)->biBitCount <= 8 \
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? (int)(1 << (int)(lpbi)->biBitCount) \
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: (int)(lpbi)->biClrUsed)
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