Return to bitblt.h CVS log

Up to [WindowsNT SDKs] / ntddk / src / video / displays / vga

Microsoft Windows NT Build 511 (DDK SDK) 11-01-1993

/******************************Module*Header*******************************\
* Module Name: bitblt.h
*
* BitBlt
*
* Copyright (c) 1992 Microsoft Corporation
\**************************************************************************/

/// Define the A vector polynomial bits
//
// Each bit corresponds to one of the terms in the polynomial
//
// Rop(D,S,P) = a + a D + a S + a P + a  DS + a  DP + a  SP + a   DSP
//               0   d     s     p     ds      dp      sp      dsp

#define AVEC_NOT    0x01
#define AVEC_D      0x02
#define AVEC_S      0x04
#define AVEC_P      0x08
#define AVEC_DS     0x10
#define AVEC_DP     0x20
#define AVEC_SP     0x40
#define AVEC_DSP    0x80

#define AVEC_NEED_SOURCE  (AVEC_S | AVEC_DS | AVEC_SP | AVEC_DSP)
#define AVEC_NEED_PATTERN (AVEC_P | AVEC_DP | AVEC_SP | AVEC_DSP)

#define BB_TARGET_SCREEN    0x0001
#define BB_TARGET_ONLY      0x0002
#define BB_SOURCE_COPY      0x0004
#define BB_PATTERN_COPY     0x0008

typedef struct _BBENUMTRAP
{
    ULONG     c;
    TRAPEZOID atrap[ENUM_RECT_LIMIT];
} BBENUMTRAP;

#define MAX_DDA_RECTS   40  // most rects we want enumerated by DDAOBJ at once

typedef struct _DDAENUM
{
    LONG    yTop;
    LONG    yBottom;
    LONG    axPairs[MAX_DDA_RECTS];
} DDAENUM;

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.