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118 lines
1.8 KiB
118 lines
1.8 KiB
/*++
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Copyright (c) 1990-2003 Microsoft Corporation
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Module Name:
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compress.h
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Abstract:
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This module contains #defines and prototypes for the compress.c module.
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Author:
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18-Feb-1994 Fri 09:50:29 created
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[Environment:]
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GDI Device Driver - Plotter.
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[Notes:]
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Revision History:
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--*/
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#ifndef _COMPRESS_
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#define _COMPRESS_
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#define COMPRESS_MODE_NONE (DWORD)0xFFFFFFFF
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#define COMPRESS_MODE_ROW 0
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#define COMPRESS_MODE_RUNLENGTH 1
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#define COMPRESS_MODE_TIFF 2
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#define COMPRESS_MODE_DELTA 3
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#define COMPRESS_MODE_BLOCK 4
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#define COMPRESS_MODE_ADAPT 5
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#define RTLSF_MORE_SCAN 0x01
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typedef struct _RTLSCANS {
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LPBYTE pbCompress;
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LPBYTE pbSeedRows[3];
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DWORD MaxAdaptBufSize;
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WORD cEmptyDup;
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BYTE AdaptMethod;
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BYTE cAdaptBlk;
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DWORD cxBytes;
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DWORD cScans;
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BYTE Flags;
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BYTE Planes;
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BYTE Mask;
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BYTE CompressMode;
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} RTLSCANS, FAR *PRTLSCANS;
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//
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// The function protypes
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//
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VOID
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ExitRTLScans(
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PPDEV pPDev,
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PRTLSCANS pRTLScans
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);
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VOID
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EnterRTLScans(
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PPDEV pPDev,
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PRTLSCANS pRTLScans,
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DWORD cx,
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DWORD cy,
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BOOL MonoBmp
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);
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LONG
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CompressToDelta(
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LPBYTE pbSrc,
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LPBYTE pbSeedRow,
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LPBYTE pbDst,
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LONG Size
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);
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LONG
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CompressToTIFF(
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LPBYTE pbSrc,
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LPBYTE pbDst,
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LONG Size
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);
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LONG
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RTLCompression(
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LPBYTE pbSrc,
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LPBYTE pbSeedRow,
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LPBYTE pbDst,
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LONG Size,
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LPBYTE pCompressMode
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);
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BOOL
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OutputRTLScans(
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PPDEV pPDev,
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LPBYTE pbPlane1,
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LPBYTE pbPlane2,
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LPBYTE pbPlane3,
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PRTLSCANS pRTLScans
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);
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#endif // _COMPRESS_
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