234 lines
8.2 KiB
C
234 lines
8.2 KiB
C
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/*--------------------------------------------------------------------------*\
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| MSRLE.H |
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\*--------------------------------------------------------------------------*/
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/**************************************************************************
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*
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* THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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* KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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* PURPOSE.
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*
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* Copyright (c) 1991 - 1995 Microsoft Corporation. All Rights Reserved.
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*
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**************************************************************************/
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#ifdef _WIN32
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#define huge
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// NT and WIN95 use different debug switches.
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// NT defines DBG to be 0 or 1
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// Win95 defines DEBUG, or does not define it
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// Map one methodology to the other
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#ifndef DBG
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#ifdef DEBUG
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#define DBG 1
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#else
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#define DBG 0
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#endif
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#endif
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#undef DEBUG
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#if DBG
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#define DEBUG
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#define STATICFN
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#define STATICDT
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#else
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#define STATICFN static
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#define STATICDT static
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#endif
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#endif
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//
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// compressor state info
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//
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typedef struct {
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long lMinFrameSize;
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long lMaxFrameSize;
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long tolTemporal;
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long tolSpatial;
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long tolMax;
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int iMaxRunLen;
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} RLESTATE, FAR *LPRLESTATE, *PRLESTATE;
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typedef struct {
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LPVOID lpbiPrev;
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int iStart;
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long lLastParm;
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long lFrames;
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RLESTATE RleState;
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BOOL fCompressBegin;
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BOOL fDecompressBegin;
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} RLEINST, *PRLEINST;
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#define BI_DIBX 0x78626964l // 'dibx'
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#define BI_DIBC 0x63626964l // 'dibc'
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#define QUALITY_DEFAULT 8500
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#define IDS_DESCRIPTION 42
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#define IDS_NAME 43
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extern HMODULE ghModule;
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/****************************************************************************
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***************************************************************************/
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#ifdef _INC_COMPDDK
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void NEAR PASCAL RleLoad(void);
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void NEAR PASCAL RleFree(void);
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PRLEINST NEAR PASCAL RleOpen(void);
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DWORD NEAR PASCAL RleClose(PRLEINST pri);
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DWORD NEAR PASCAL RleGetState(PRLEINST pri, LPVOID pv, DWORD dwSize);
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DWORD NEAR PASCAL RleSetState(PRLEINST pri, LPVOID pv, DWORD dwSize);
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DWORD NEAR PASCAL RleGetInfo(PRLEINST pri, ICINFO FAR *icinfo, DWORD dwSize);
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DWORD NEAR PASCAL RleCompressBegin(PRLEINST pri, LPBITMAPINFOHEADER lpbiIn, LPBITMAPINFOHEADER lpbiOut);
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DWORD NEAR PASCAL RleCompressQuery(PRLEINST pri, LPBITMAPINFOHEADER lpbiIn,LPBITMAPINFOHEADER lpbiOut);
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DWORD NEAR PASCAL RleCompressGetFormat(PRLEINST pri, LPBITMAPINFOHEADER lpbiIn, LPBITMAPINFOHEADER lpbiOut);
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DWORD NEAR PASCAL RleCompress(PRLEINST pri,ICCOMPRESS FAR *icinfo, DWORD dwSize);
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DWORD NEAR PASCAL RleCompressGetSize(PRLEINST pri, LPBITMAPINFOHEADER lpbiIn, LPBITMAPINFOHEADER lpbiOut);
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DWORD NEAR PASCAL RleCompressEnd(PRLEINST lpri);
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DWORD NEAR PASCAL RleDecompressBegin(PRLEINST pri, LPBITMAPINFOHEADER lpbiIn, LPBITMAPINFOHEADER lpbiOut);
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DWORD NEAR PASCAL RleDecompressQuery(PRLEINST pri, LPBITMAPINFOHEADER lpbiIn,LPBITMAPINFOHEADER lpbiOut);
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DWORD NEAR PASCAL RleDecompressGetFormat(PRLEINST pri, LPBITMAPINFOHEADER lpbiIn, LPBITMAPINFOHEADER lpbiOut);
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DWORD NEAR PASCAL RleDecompress(PRLEINST pri,ICDECOMPRESS FAR *icinfo, DWORD dwSize);
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DWORD NEAR PASCAL RleDecompressEnd(PRLEINST pri);
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#endif
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/****************************************************************************
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***************************************************************************/
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BOOL FAR PASCAL CrunchDib(PRLEINST pri,
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LPBITMAPINFOHEADER lpbiRle, LPVOID lpRle,
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LPBITMAPINFOHEADER lpbiPrev,LPVOID lpPrev,
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LPBITMAPINFOHEADER lpbiDib, LPVOID lpDib);
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BOOL FAR PASCAL SplitDib (PRLEINST pri,
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LPBITMAPINFOHEADER lpbiRle, LPVOID lpRle,
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LPBITMAPINFOHEADER lpbiPrev,LPVOID lpPrev,
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LPBITMAPINFOHEADER lpbiDib, LPVOID lpDib);
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//#define MAXSUMSQUARES 195075L
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#define MAXTOL 0x00FFFFFFL
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#define ADAPTIVE -1
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#define NO_LIMIT -1
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/****************************************************************************
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***************************************************************************/
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/* RgbTol Table structure */
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typedef struct {
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int ClrUsed;
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RGBQUAD argbq[256];
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DWORD huge *hpTable;
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} RGBTOL;
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extern RGBTOL gRgbTol;
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/* Public functions anyone can call */
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BOOL FAR PASCAL RleDeltaFrame(
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LPBITMAPINFOHEADER lpbiRle, LPBYTE pbRle,
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LPBITMAPINFOHEADER lpbiPrev, LPBYTE pbPrev,
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LPBITMAPINFOHEADER lpbiDib, LPBYTE pbDib,
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int iStart,
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int iLen,
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long tolTemporal,
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long tolSpatial,
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int maxRun,
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int minJump);
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BOOL NEAR PASCAL MakeRgbTable(LPBITMAPINFOHEADER lpbi);
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void NEAR PASCAL DecodeRle(LPBITMAPINFOHEADER lpbi, LPVOID pb, LPVOID prle, DWORD dwSize);
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#ifndef _WIN32
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void NEAR PASCAL DecodeRle386(LPBITMAPINFOHEADER lpbi, LPVOID pb, LPVOID prle);
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void NEAR PASCAL DecodeRle286(LPBITMAPINFOHEADER lpbi, LPVOID pb, LPVOID prle);
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#endif
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// in DF.ASM
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#ifndef _WIN32
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extern void FAR PASCAL DeltaFrame386(
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LPBITMAPINFOHEADER lpbi,
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LPVOID pbPrev,
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LPVOID pbDib,
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LPVOID pbRle,
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WORD MaxRunLength,
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WORD MinJumpLength,
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LPVOID TolTable,
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DWORD tolTemporal,
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DWORD tolSpatial);
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#else
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extern void DeltaFrameC(
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LPBITMAPINFOHEADER lpbi,
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LPBYTE pbPrev,
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LPBYTE pbDib,
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LPBYTE pbRle,
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UINT MaxRunLength,
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UINT MinJumpLength,
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LPDWORD TolTable,
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DWORD tolTemporal,
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DWORD tolSpatial);
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#endif
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/****************************************************************************
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DIB macros.
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***************************************************************************/
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#define WIDTHBYTES(i) ((unsigned)((i+31)&(~31))/8) /* ULONG aligned ! */
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#define DibWidthBytesN(lpbi, n) (UINT)WIDTHBYTES((UINT)(lpbi)->biWidth * (UINT)(n))
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#define DibWidthBytes(lpbi) DibWidthBytesN(lpbi, (lpbi)->biBitCount)
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#define DibSizeImage(lpbi) ((lpbi)->biSizeImage == 0 \
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? ((DWORD)(UINT)DibWidthBytes(lpbi) * (DWORD)(UINT)(lpbi)->biHeight) \
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: (lpbi)->biSizeImage)
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// Use when biSizeImage is known to be correct (e.g. after FixBitmapInfo)
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#define DibSizeImageX(lpbi) ((lpbi)->biSizeImage)
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#define DibSize(lpbi) ((lpbi)->biSize + (lpbi)->biSizeImage + (int)(lpbi)->biClrUsed * sizeof(RGBQUAD))
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#define DibPaletteSize(lpbi) (DibNumColors(lpbi) * 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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#define DibXYN(lpbi,pb,x,y,n) (LPVOID)( \
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(LPBYTE)(pb) + \
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(UINT)((UINT)(x) * (UINT)(n) / 8u) + \
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((DWORD)DibWidthBytesN(lpbi,n) * (DWORD)(UINT)(y)))
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#define DibXY(lpbi,x,y) DibXYN(lpbi,DibPtr(lpbi),x,y,(lpbi)->biBitCount)
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#define FixBitmapInfo(lpbi) if ((lpbi)->biSizeImage == 0) \
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(lpbi)->biSizeImage = DibSizeImage(lpbi); \
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if ((lpbi)->biClrUsed == 0) \
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(lpbi)->biClrUsed = DibNumColors(lpbi);
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/****************************************************************************
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***************************************************************************/
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#ifdef DEBUG
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extern void FAR CDECL dprintf(LPSTR, ...);
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#define DPF(_x_) dprintf _x_
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#else
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#define DPF ; / ## /
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#endif
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