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Correct usage of a scratch array in X11DRV_PolyBezier.

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Rein Klazes 1999-10-13 13:51:09 +00:00 committed by Alexandre Julliard
parent 8c36254147
commit d18dd23598
1 changed files with 7 additions and 6 deletions
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13
graphics/x11drv/graphics.c
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@ -1387,23 +1387,24 @@ X11DRV_PolyBezier(DC *dc, POINT start, const POINT* BezierPoints, DWORD count)
TRACE("dc=%p count=%ld %ld,%ld - %ld,%ld - %ld,%ld - %ld,%ld\n",
dc, count,
start.x, start.y,
(Points+0)->x, (Points+0)->y,
(Points+1)->x, (Points+1)->y,
(Points+2)->x, (Points+2)->y);
(BezierPoints+0)->x, (BezierPoints+0)->y,
(BezierPoints+1)->x, (BezierPoints+1)->y,
(BezierPoints+2)->x, (BezierPoints+2)->y);
if(!count || count % 3){/* paranoid */
WARN(" bad value for count : %ld\n", count);
return FALSE;
}
xpoints=(XPoint*) xmalloc( sizeof(XPoint)*BEZMAXPOINTS);
Points[3].x=BEZIERSHIFTUP(XLPTODP(dc,start.x));
Points[3].y=BEZIERSHIFTUP(YLPTODP(dc,start.y));
start.x=BEZIERSHIFTUP(XLPTODP(dc,start.x));
start.y=BEZIERSHIFTUP(YLPTODP(dc,start.y));
while(count){
Points[0]=Points[3];
Points[0]=start;
for(i=1;i<4;i++) {
Points[i].x= BEZIERSHIFTUP(XLPTODP(dc,BezierPoints->x));
Points[i].y= BEZIERSHIFTUP(YLPTODP(dc,BezierPoints->y));
BezierPoints++;
}
start=Points[3];
X11DRV_Bezier(BEZIERMAXDEPTH , dc, Points, xpoints, &ix );
count -=3;
}