/*DDK*************************************************************************/
/*                                                                           */
/* COPYRIGHT (C) Lexmark Corporation, 1989                                   */
/* COPYRIGHT    Copyright (C) 1995 IBM Corporation                           */
/*                                                                           */
/*    The following IBM OS/2 WARP source code is provided to you solely for  */
/*    the purpose of assisting you in your development of OS/2 WARP device   */
/*    drivers. You may use this code in accordance with the IBM License      */
/*    Agreement provided in the IBM Device Driver Source Kit for OS/2. This  */
/*    Copyright statement may not be removed.                                */
/*                                                                           */
/*****************************************************************************/
/**************************************************************************
 *                            Lexmark Confidential
 *
 * SOURCE FILE NAME = PRDBEXT4
 *
 * DESCRIPTIVE NAME = External function definitions for the PRDBBLT for the
 *                    IBM42XX and IBM52XX driver.
 *
 *
 * VERSION
 *
 * DATE
 *
 * DESCRIPTION
 *
 * FUNCTIONS
 *
 * ENTRY POINTS:
 *
 * DEPENDENCIES:
 *
 * NOTES
 *
 *
 * STRUCTURES
 *
 * EXTERNAL REFERENCES
 *
 * EXTERNAL FUNCTIONS
 *
*/

/******************************************************************************/
/*  BitBlt routines                                                           */
/******************************************************************************/
VOID    prdb_SetMasks(
              Vars  *);

VOID    prdb_DeterminePhase(
              Vars  *);

VOID    prdb_StartPosAndDir(
              Vars  *);

BYTE    prdb_PerformRop(
              Vars  *,
              BYTE  *);

BYTE    prdb_GetPatByte(
              Vars  *);

BYTE    prdb_GetNextSourceByte(
              Vars  *);

VOID    prdb_RopFirstByte(
              Vars  *);

VOID    prdb_RopBytes(
              Vars  *);

VOID    prdb_GetIndices(
              Vars  *);

USHORT  prdb_DoBitBlt(
              Vars  *);

VOID    prdb_GetGreyScalePattern(
              Vars  *,
              ULONG,
              lpDCI);

