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Interlisp.maiko/src/colorbltfns.c

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/* $Id: colorbltfns.c,v 1.2 1999/01/03 02:06:52 sybalsky Exp $ (C) Copyright Venue, All Rights Reserved */
static char *id = "$Id: colorbltfns.c,v 1.2 1999/01/03 02:06:52 sybalsky Exp $ Copyright (C) Venue";
/************************************************************************/
/* */
/* C O L O R B I T B L T / G R A P H I C S S U P P O R T */
/* */
/* */
/* */
/************************************************************************/
/************************************************************************/
/* */
/* (C) Copyright 1989-95 Venue. All Rights Reserved. */
/* Manufactured in the United States of America. */
/* */
/* The contents of this file are proprietary information */
/* belonging to Venue, and are provided to you under license. */
/* They may not be further distributed or disclosed to third */
/* parties without the specific permission of Venue. */
/* */
/************************************************************************/
#include "version.h"
#include <sys/types.h>
#include "lispemul.h"
#include "lispglobal.h"
#include "lispmap.h"
#include "lisptypes.h"
#include "address68k.h"
#include "address.h"
#include "stream.h"
#include "displaydata.h"
#include "pilotbbt.h"
#include "debug.h"
#include "arith.h"
#include "bitblt.h"
#include "lldisplay.h"
#define IMIN(x,y) (((x) > (y)) ? (y) : (x))
#define IMAX(x,y) (((x) > (y)) ? (x) : (y))
/*******************************/
/* A LISP Big-bitmap structure */
/*******************************/
typedef struct
{
LispPTR bigbmwidth;
LispPTR bigbmheight;
LispPTR bigbmlist;
} BIGBM;
#define GetNewFragment(list,frag,type) \
frag = (type)Addr68k_from_LADDR( car(list) ); \
list = cdr( list );
LispPTR SLOWBLTCHAR_index;
#define SLOWBLTCHAR_argnum 2
#define PUNT_TO_SLOWBLTCHAR {\
if(SLOWBLTCHAR_index==0xffffffff)\
SLOWBLTCHAR_index= get_package_atom("\\PUNT.SLOWBLTCHAR", \
17, "INTERLISP", 9, NIL);\
if(SLOWBLTCHAR_index==0xffffffff)\
{error("SLOWBLTCHAR install fail"); return;} \
CurrentStackPTR +=(SLOWBLTCHAR_argnum-1)*DLWORDSPER_CELL; \
ccfuncall(SLOWBLTCHAR_index,SLOWBLTCHAR_argnum,3);return;}
/***********************************************************/
/*
C_slowbltchar
by Takeshi
June 6, 1989
*/
/***********************************************************/
/* I'll merge this macro with FGetNum later */
#define SFGetNum(ptr, place) { \
if(((ptr) & 0xff0000)== S_POSITIVE) {(place) = ((ptr) & 0xffff);}\
else if(((ptr) & 0xff0000)== S_NEGATIVE) {(place) = (int)((ptr)| 0xffff0000);}\
else {PUNT_TO_SLOWBLTCHAR;}}
/* place: native pointer
val: native value(should be smallp)
puntcase: punt descriptions */
#define FReplaceSmallp(place,val,puntcase) {\
if ((0 <= (val)) && ((val) <= MAX_SMALL)) \
(LispPTR)(place) = (LispPTR)(S_POSITIVE | (val));\
else if(MIN_SMALL <= val)\
(LispPTR)(place) = (LispPTR)(S_NEGATIVE | (0xffff & (val)));\
else {puntcase;}}
/* charcode should be pos. smallp */
#define charcode (args[0] & 0xffff)
#define displaystream args[1]
#define Char8Code(x) ((u_char)((x) & 0xff))
#define CharSet(x) ((x) >> 8)
#define PSEUDO_BLACK 255
#define PSEUDO_WHITE 0
LispPTR *SCREENBITMAPS68k; /* Initialized in initsysout.c */
LispPTR *COLORSCREEN68k; /* Initialized in initsysout.c */
LispPTR COLORSCREEN_index; /* if it's 0xffffffff, not yet initialized */
/************************************************************************/
/* */
/* C _ s l o w b l t c h a r */
/* */
/* args[0] charcode */
/* args[1] displaystream */
/* */
/* */
/************************************************************************/
C_slowbltchar(args)
register LispPTR *args;
{
Stream *n_dstream;
DISPLAYDATA *n_dd;
FONTDESC *n_fontd;
CHARSETINFO *n_csinfo;
BITMAP *n_destbitmap;
int dest_bpp;
LispPTR csinfo;
int curx,cury,newx,rmargin,lmargin,xoff,yoff;
DLword cl_left, cl_right, cl_bottom, cl_top;
DLword src_w, src_h, src_x, src_y, dst_x, dst_y, w, h;
u_char forecolor,backcolor;
register int displayflg;
extern LispPTR *TOPWDS68k;
n_dstream=(Stream*)Addr68k_from_LADDR(displaystream);
n_dd=(DISPLAYDATA*)Addr68k_from_LADDR(n_dstream->IMAGEDATA);
n_fontd=(FONTDESC*)Addr68k_from_LADDR(n_dd->ddfont);
n_destbitmap=(BITMAP*)Addr68k_from_LADDR(n_dd->dddestination);
if((n_fontd->ROTATION & 0xffff) == 0)
{
if((csinfo=
*(((LispPTR*)Addr68k_from_LADDR(n_fontd->FONTCHARSETVECTOR))
+ CharSet(charcode) )) == NIL )
PUNT_TO_SLOWBLTCHAR; /* CSINFO is not cached */
n_csinfo =(CHARSETINFO*)Addr68k_from_LADDR(csinfo);
SFGetNum(n_dd->ddxposition, curx);
SFGetNum(n_dd->ddyposition, cury);
SFGetNum(n_dd->ddrightmargin, rmargin);
SFGetNum(n_dd->ddleftmargin, lmargin);
SFGetNum(n_dd->ddxoffset, xoff);
SFGetNum(n_dd->ddyoffset, yoff);
cl_left = n_dd->ddclippingleft;
cl_right = n_dd->ddclippingright;
cl_bottom = n_dd->ddclippingbottom;
cl_top = n_dd->ddclippingtop;
newx = curx + *(DLword*)Addr68k_from_LADDR(n_dd->ddwidthscache
+ Char8Code(charcode));
if(newx > rmargin)
PUNT_TO_SLOWBLTCHAR; /* do \DSPPRINTCR/LF */
/* If we care about TOPW then it's too slow to create Menu etc.
But,if we don't,it causes some error **/
{
WINDOW *window;
SCREEN *ColorScreenData;
if(COLORSCREEN_index==0xffffffff)
{ /* Make sure COLOR lives? */
COLORSCREEN_index = MAKEATOM("\\COLORSCREEN");
COLORSCREEN68k = (LispPTR *)Addr68k_from_LADDR(VALS_OFFSET +
(COLORSCREEN_index << 1));
}
ColorScreenData=(SCREEN*)Addr68k_from_LADDR(*COLORSCREEN68k);
window = (WINDOW*)Addr68k_from_LADDR(ColorScreenData->SCTOPW);
if((displaystream != ColorScreenData->SCTOPW) &&
(displaystream != window->DSP) &&
(displaystream != *TOPWDS68k) &&
((fmemb(n_dd->dddestination,*SCREENBITMAPS68k)) != NIL))
PUNT_TO_SLOWBLTCHAR;
}
FReplaceSmallp( n_dd->ddxposition, newx, PUNT_TO_SLOWBLTCHAR);
/* make curx abs coord */
curx += xoff;
cury += yoff;
{ register PILOTBBT *pbt;
register BITMAP *n_destBM,*n_srcBM;
register BIGBM *n_destBIGBM;
register int destYOffset;
register int width,sourceBitOffset;
extern int ScreenLocked;
extern int displayheight;
n_srcBM=(BITMAP*)Addr68k_from_LADDR(n_csinfo->CHARSETBITMAP);
src_h = n_srcBM->bmheight;
src_w = n_srcBM->bmwidth;
src_x = *((DLword*)Addr68k_from_LADDR( n_dd->ddoffsetscache
+ Char8Code(charcode)));
src_y = 0;
w = *(DLword*)Addr68k_from_LADDR(n_dd->ddcharimagewidths
+ Char8Code(charcode));
h = src_h;
(short)dst_x = (short)curx;
(short)dst_y = (short)cury - (short)n_csinfo->CHARSETDESCENT;
{ /* clipping */
short left,right,bottom,top;
short stodx,stody;
left = (short)IMAX( (short)dst_x, (short)cl_left );
right = (short)IMIN( (short)dst_x+w, (short)cl_right );
bottom = (short)IMAX( (short)dst_y, (short)cl_bottom );
top = (short)IMIN( (short)dst_y+h, (short)cl_top );
stodx = (short)dst_x - (short)src_x;
stody = (short)dst_y - (short)src_y;
left = IMAX( (short)src_x, IMAX( left-stodx, 0 ) );
bottom = IMAX( (short)src_y, IMAX( bottom-stody , 0 ) );
right = IMIN( (short)src_w, IMIN( (short)(src_x+w), right-stodx ) );
top = IMIN( (short)src_h, IMIN( (short)(src_y+h), top-stody ) );
if ( (right<=left) || (top<=bottom) ) return;
w = (DLword)(right - left);
h = (DLword)(top - bottom);
dst_x = (DLword)(left + stodx);
dst_y = (DLword)(bottom + stody);
src_x = (DLword)left;
src_y = (DLword)bottom;
}
/* forground and bacground color */
if(n_dd->ddcolor ==NIL_PTR)
{
forecolor = PSEUDO_BLACK;
backcolor = PSEUDO_WHITE;
}
else
{
backcolor = 0xff & cdr(n_dd->ddcolor);
forecolor = 0xff & car(n_dd->ddcolor);
}
if(GetTypeNumber( n_dd->dddestination ) == TYPE_BITMAP)
{ /* Bitap */
n_destBM=(BITMAP*)Addr68k_from_LADDR(n_dd->dddestination);
ScreenLocked=T;
/* xposition is shifted 3 Kludge for cursorin
in color(8bpp) ** x's meaning is different from
bitbltsub's. For now,I use this func with Kludge */
displayflg=n_new_cursorin(
Addr68k_from_LADDR(n_destBM->bmbase),dst_x<<3,
/* Kludge:YCoordination upside down*/
displayheight-cury,w,h);
if(displayflg) HideCursor;
ColorizeFont8(n_srcBM, src_x, src_y
, n_destBM, dst_x, dst_y
, w, h
, backcolor,forecolor
, n_dd->ddsourcetype,n_dd->ddoperation);
if(displayflg) ShowCursor;
ScreenLocked=NIL;
}
else
{ /* BIGBM */
ScreenLocked=T;
n_destBIGBM = (BIGBM*)n_destbitmap;
ColorizeFont8_BIGBM(n_srcBM, src_x, src_y
, n_destBIGBM, dst_x, dst_y
, w, h
, backcolor,forecolor
, n_dd->ddsourcetype,n_dd->ddoperation);
ScreenLocked=NIL;
} /* end if( TYPE_BITMAP ) */
}
}
else
{
/* ROTATE case ,do-PUNT */
PUNT_TO_SLOWBLTCHAR;
}
} /* end C_slowbltchar */
/************************************************************************/
/* */
/* C o l o r i z e d F o n t 8 */
/* */
/* Expand a 1bpp font to 8bpp colorized font bitmap, using */
/* col1 and col0 as the colors for 1 bits & 0 bits, respectively. */
/* */
/* dbm must be the output bitmap (not a bigbm), whose bpp is 8. */
/* */
/************************************************************************/
#define MAXFONTHEIGHT 48
#define MAXFONTWIDTH 48
#define BITSPERNIBBLE 4
#define BITSPERDLWORD 16
#define BPP 8
u_int ColorizedFont8CACHE[MAXFONTHEIGHT/BITSPERNIBBLE *
MAXFONTWIDTH/BITSPERNIBBLE];
ColorizeFont8(sBM,sXOffset,sYOffset,dBM,dXOffset,
dYOffset,width,height,col0,col1,sourcetype,operation)
register BITMAP *sBM;
register DLword sXOffset,sYOffset, width, height;
register BITMAP *dBM;
DLword dYOffset,dXOffset;
u_char col0,col1;
LispPTR sourcetype;
LispPTR operation;
{
register DLword *nbase;
register u_char *dbase;
register int i;
sYOffset = sBM->bmheight - (sYOffset+height);
dYOffset = dBM->bmheight - (dYOffset+height);
nbase=(DLword*)Addr68k_from_LADDR(sBM->bmbase)
+ (sBM->bmrasterwidth * sYOffset);
(DLword*)dbase= (DLword*)Addr68k_from_LADDR(dBM->bmbase)
+ (dBM->bmrasterwidth * dYOffset);
for(i=0, dbase += dXOffset;/* 8bpp */
i < height;
i++,nbase += sBM->bmrasterwidth , ((DLword*)dbase) += dBM->bmrasterwidth)
{
lineBlt8(nbase,(int)sXOffset,dbase,(int)width,col0,col1,sourcetype,operation);
} /* for end */
} /* ColorizeFont8 end */
/************************************************************************/
/* */
/* C o l o r i z e d F o n t 8 _ B I G B M */
/* */
/* Expand a 1bpp font to 8bpp colorized font bitmap, using */
/* col1 and col0 as the colors for 1 bits & 0 bits, respectively. */
/* */
/* dbm must be the output BIGBM (not a bitmap), whose bpp is 8. */
/* */
/************************************************************************/
ColorizeFont8_BIGBM(sBM,sXOffset,sYOffset,dBM,dXOffset,dYOffset,width,height,col0,col1,sourcetype,operation)
register BITMAP *sBM;
register DLword sXOffset,sYOffset,width,height;
register BIGBM *dBM;
DLword dXOffset, dYOffset;
u_char col0,col1;
LispPTR sourcetype;
LispPTR operation;
{
register DLword *nbase;
register u_char *dbase;
register int i;
int dest_bottom
, dest_bigbmheight
, dest_fragtop
, dest_fragbottom
, dest_yoffset
, dest_h;
LispPTR dest_bmlist;
BITMAP *dest_frag;
SFGetNum( dBM->bigbmheight, dest_bigbmheight );
sYOffset = sBM->bmheight - ( sYOffset+height );
dYOffset = dest_bigbmheight - ( dYOffset+height );
dest_bottom = dYOffset + height;
dest_bmlist = (LispPTR)dBM->bigbmlist;
GetNewFragment( dest_bmlist, dest_frag, BITMAP* );
dest_fragtop = 0;
dest_fragbottom = dest_frag->bmheight;
/* search fragment of bitmaps including the desitnation top. */
while( dest_fragbottom <= dYOffset ) {
GetNewFragment( dest_bmlist, dest_frag, BITMAP* );
if( dest_frag == (BITMAP*)Addr68k_from_LADDR(NIL_PTR) ) return;
dest_fragtop = dest_fragbottom;
dest_fragbottom += dest_frag->bmheight;
} /* end while */
/* y offset form bitmap top. */
dest_yoffset = dYOffset - dest_fragtop;
loop:
/* height of lineBlt8 */
if( dest_fragbottom > dest_bottom ) {
/* this fragment inludes dest bottom. */
dest_h = dest_bottom - (dest_fragtop + dest_yoffset);
} else {
/* remaining fragments include dest bottom. */
dest_h = dest_fragbottom - (dest_fragtop + dest_yoffset);
} /* end if */
dbase= (DLword*)Addr68k_from_LADDR(dest_frag->bmbase)
+ (dest_frag->bmrasterwidth * dest_yoffset);
nbase=(DLword*)Addr68k_from_LADDR(sBM->bmbase)
+ (sBM->bmrasterwidth * sYOffset);
sYOffset += (DLword)dest_h; /* next src yoffset */
for(i=0, dbase += dXOffset;
i < dest_h;
i++, nbase += sBM->bmrasterwidth , ((DLword*)dbase) += dest_frag->bmrasterwidth)
{
lineBlt8(nbase,(int)sXOffset,dbase,(int)width,col0,col1,sourcetype,operation);
}
/* remaining height */
height -= dest_h;
if( height > 0 ) {
GetNewFragment( dest_bmlist, dest_frag, BITMAP* );
if( dest_frag != (BITMAP*)Addr68k_from_LADDR(NIL_PTR) ) {
dest_fragtop = dest_fragbottom;
dest_fragbottom = dest_fragtop + dest_frag->bmheight;
dest_yoffset = 0; /* y offset must be zero. */
nbase += sBM->bmrasterwidth;
goto loop;
} /* end if(dest_frag) */
} /* end if(height) */
} /* end ColorizeFont8_BIGBM() */
/************************************************************************/
/* */
/* n e w C o l o r i z e F o n t 8 */
/* */
/* */
/* */
/************************************************************************/
newColorizeFont8(pbt,backcolor,forecolor,srctype,ope)
PILOTBBT *pbt;
u_char backcolor,forecolor;
LispPTR srctype,ope;
{
register DLword *nbase;
register u_char *dbase;
register int i;
nbase=(DLword*)Addr68k_from_LADDR
((pbt->pbtsourcehi << 16 ) | (pbt->pbtsourcelo)) ;
(DLword*)dbase= (DLword*)Addr68k_from_LADDR(
(pbt->pbtdesthi << 16 ) | (pbt->pbtdestlo)) ;
dbase += pbt->pbtdestbit;
for(i=0; i < pbt->pbtheight;
i++,nbase += pbt->pbtsourcebpl/16
, dbase += pbt->pbtdestbpl/8)
{
lineBlt8(nbase,pbt->pbtsourcebit,dbase,pbt->pbtwidth,backcolor,forecolor,srctype,ope);
} /* for end */
}
/************************************************************************/
/* */
/* U n c o l o r i z e _ B i t m a p */
/* */
/* Uncolorize bitmap from 8bpp to 1bpp. */
/* */
/************************************************************************/
Uncolorize_Bitmap( args )
LispPTR args[];
{
BITMAP *s_bitmap
, *d_bitmap;
register DLword* OnOff;
register u_char *s_base;
register DLword *d_base;
register int y;
int s_height
, s_width
, s_bitsperpixel
, s_rasterwidth
, d_rasterwidth;
s_bitmap = (BITMAP*)Addr68k_from_LADDR( args[0] );
d_bitmap = (BITMAP*)Addr68k_from_LADDR( args[1] );
OnOff = (DLword*)Addr68k_from_LADDR( args[2] );
s_height = s_bitmap->bmheight;
s_width = s_bitmap->bmwidth;
s_bitsperpixel = s_bitmap->bmbitperpixel;
if( s_bitsperpixel != 8 ) return;
s_base = (u_char*)Addr68k_from_LADDR(s_bitmap->bmbase);
d_base = (DLword*)Addr68k_from_LADDR(d_bitmap->bmbase);
s_rasterwidth = s_bitmap->bmrasterwidth;
d_rasterwidth = d_bitmap->bmrasterwidth;
for( y=0; y<s_height; y++ ) {
register int x;
register DLword word;
word = 0;
for( x=0; x<s_width; x++ ) {
if( OnOff[*(s_base+x)] ) {
switch( x & 0xF ) {
case 0: word |= 0x8000; break;
case 1: word |= 0x4000; break;
case 2: word |= 0x2000; break;
case 3: word |= 0x1000; break;
case 4: word |= 0x800; break;
case 5: word |= 0x400; break;
case 6: word |= 0x200; break;
case 7: word |= 0x100; break;
case 8: word |= 0x80; break;
case 9: word |= 0x40; break;
case 10: word |= 0x20; break;
case 11: word |= 0x10; break;
case 12: word |= 0x8; break;
case 13: word |= 0x4; break;
case 14: word |= 0x2; break;
case 15: word |= 0x1; break;
defualts:
break;
} /* end switch( x ) */
} /* end if( ) */
if( (x & 0xF) == 0xF ) {
*(d_base++) = word;
word = 0;
} /* end if( x ) */
} /* end for( x ) */
if( (x & 0xF) != 0 ) *(d_base++) = word;
if( y != (s_height-1) ) {
(DLword*)s_base += s_rasterwidth;
} /* end if( y ) */
} /* end for( y ) */
} /* end Uncolorize_Bitmap() */
/************************************************************************/
/* */
/* C o l o r i z e _ B i t m a p */
/* */
/* Colorize bitmap from 1bpp to 8bpp. */
/* */
/************************************************************************/
extern DLword INPUT_atom
, REPLACE_atom;
Colorize_Bitmap( args )
LispPTR args[];
{
BITMAP *s_bitmap
, *d_bitmap;
int s_left
, s_bottom
, d_left
, d_bottom
, width
, height
, color0
, color1
, d_nbits;
register DLword *s_base;
register u_char *d_base;
register int i;
N_GETNUMBER( args[10], d_nbits, bad_arg );
if( d_nbits != 8 ) return( NIL ); /* do nothing. */
s_bitmap = (BITMAP*)Addr68k_from_LADDR( args[0] );
N_GETNUMBER( args[1], s_left, bad_arg );
N_GETNUMBER( args[2], s_bottom, bad_arg );
d_bitmap = (BITMAP*)Addr68k_from_LADDR( args[3] );
N_GETNUMBER( args[4], d_left, bad_arg );
N_GETNUMBER( args[5], d_bottom, bad_arg );
N_GETNUMBER( args[6], width, bad_arg );
N_GETNUMBER( args[7], height, bad_arg );
N_GETNUMBER( args[8], color0, bad_arg );
N_GETNUMBER( args[9], color1, bad_arg );
s_base = (DLword*)Addr68k_from_LADDR( s_bitmap->bmbase )
+ s_bitmap->bmrasterwidth * (s_bitmap->bmheight - (s_bottom + height));
(DLword*)d_base = (DLword*)Addr68k_from_LADDR( d_bitmap->bmbase )
+ d_bitmap->bmrasterwidth * (d_bitmap->bmheight - (d_bottom + height));
for( i=0, d_base += d_left; i<height;
i++, s_base += s_bitmap->bmrasterwidth
, (DLword*)d_base += d_bitmap->bmrasterwidth ) {
lineBlt8( s_base, s_left, d_base, width
, (u_char)color0, (u_char)color1
, INPUT_atom, REPLACE_atom );
} /* end for(i) */
bad_arg: return( NIL );
} /* end Colorize_Bitmap() */
/************************************************************************/
/* */
/* D r a w _ 8 B p p C o l o r L i n e */
/* */
/* Draw a line in the 8-bpp display bitmap. */
/* */
/************************************************************************/
#define op_replace
#define op_erase &
#define op_invert ^
#define op_paint |
#define draw8bpplinex(op) \
while( (x0 <= xlimit) && ( y0 <= ylimit ) ) { \
*(base++) op= color; ++x0; cdl += dy; \
if( dx <= cdl ) { \
cdl -= dx; \
base += yinc; ++y0; \
} \
}
#define draw8bppliney(op) \
while( (x0 <= xlimit) && (y0 <= ylimit ) ) { \
*base op= color; base += yinc; ++y0; cdl += dx; \
if( dy <= cdl ) { \
cdl -= dy; \
++ base; ++x0; \
} \
}
Draw_8BppColorLine( args )
register LispPTR *args;
{
extern DLword REPLACE_atom
, INVERT_atom
, PAINT_atom
, ERASE_atom;
register u_char color;
register u_char *base;
register short x0
, y0
, xlimit
, ylimit
, dx
, dy
, cdl
, yinc
, raster_width;
int mode
, displayflg;
u_char *n_bmbase;
x0 = (short)( args[0] &0xffff );
y0 = (short)( args[1] &0xffff );
xlimit = (short)( args[2] &0xffff );
ylimit = (short)( args[3] &0xffff );
dx = (short)( args[4] &0xffff );
dy = (short)( args[5] &0xffff );
cdl = (short)( args[6] &0xffff );
yinc = (short)( args[7] &0xffff ); yinc *= 2; /* for byte addressing */
if ( args[8] == PAINT_atom ) mode = 3;
else if( args[8] == INVERT_atom ) mode = 2;
else if( args[8] == ERASE_atom ) mode = 1;
else mode = 0; /* REPLACE_atom */
n_bmbase = (u_char*)Addr68k_from_LADDR( args[9] );
raster_width = (short) ( args[10] &0xffff );
color = (u_char)( args[11] & 0xff );
if( yinc >= 0 )
{
displayflg = n_new_cursorin( (DLword*)n_bmbase
, (int)(x0<<3), (int)y0, (int)(xlimit<<3), (int)ylimit );
}
else
{
displayflg =
n_new_cursorin( (DLword*)n_bmbase,
(int)(x0<<3), (int)(y0-ylimit),
(int)(xlimit<<3), (int)ylimit );
}
base = n_bmbase + y0 * (raster_width << 1) + x0;
x0 = y0 = 0;
if( displayflg )
{
ScreenLocked = T;
HideCursor;
}
if( dx >= dy )
{ /* .draw8bpplinex */
switch( mode )
{
case 0: draw8bpplinex( op_replace );
break;
case 1: draw8bpplinex( op_erase );
break;
case 2: draw8bpplinex( op_invert );
break;
case 3: draw8bpplinex( op_paint );
break;
} /* end switch */
}
else
{ /* .draw8bppliney */
switch( mode )
{
case 0: draw8bppliney( op_replace );
break;
case 1: draw8bppliney( op_erase );
break;
case 2: draw8bppliney( op_invert );
break;
case 3: draw8bppliney( op_paint );
break;
} /* end switch */
} /* end if( dx >= dy ) */
if( displayflg )
{
ShowCursor;
ScreenLocked = NIL;
}
} /* end Draw_8BppColorLine */
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