217 lines
7.4 KiB
C
217 lines
7.4 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/xf4bpp/vgaGC.c,v 1.3tsi Exp $ */
|
|
/*
|
|
|
|
Copyright (c) 1987 X Consortium
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining
|
|
a copy of this software and associated documentation files (the
|
|
"Software"), to deal in the Software without restriction, including
|
|
without limitation the rights to use, copy, modify, merge, publish,
|
|
distribute, sublicense, and/or sell copies of the Software, and to
|
|
permit persons to whom the Software is furnished to do so, subject to
|
|
the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included
|
|
in all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
Except as contained in this notice, the name of the X Consortium shall
|
|
not be used in advertising or otherwise to promote the sale, use or
|
|
other dealings in this Software without prior written authorization
|
|
from the X Consortium.
|
|
|
|
|
|
Copyright IBM Corporation 1987,1988,1989
|
|
All Rights Reserved
|
|
|
|
Permission to use, copy, modify, and distribute this software and its
|
|
documentation for any purpose and without fee is hereby granted,
|
|
provided that the above copyright notice appear in all copies and that
|
|
both that copyright notice and this permission notice appear in
|
|
supporting documentation, and that the name of IBM not be
|
|
used in advertising or publicity pertaining to distribution of the
|
|
software without specific, written prior permission.
|
|
|
|
IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
|
|
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
|
|
IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
|
|
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
|
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
|
|
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
|
|
SOFTWARE.
|
|
|
|
|
|
Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts,
|
|
All Rights Reserved
|
|
|
|
Permission to use, copy, modify, and distribute this software and its
|
|
documentation for any purpose and without fee is hereby granted,
|
|
provided that the above copyright notice appear in all copies and that
|
|
both that copyright notice and this permission notice appear in
|
|
supporting documentation, and that the name of Digital not be
|
|
used in advertising or publicity pertaining to distribution of the
|
|
software without specific, written prior permission.
|
|
|
|
DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
|
|
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
|
|
DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
|
|
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
|
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
|
|
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
|
|
SOFTWARE.
|
|
|
|
*/
|
|
|
|
/* $XConsortium: vgaGC.c /main/6 1996/02/21 17:58:54 kaleb $ */
|
|
|
|
#ifdef HAVE_XORG_CONFIG_H
|
|
#include <xorg-config.h>
|
|
#endif
|
|
|
|
#include "xf4bpp.h"
|
|
#include "mfbmap.h"
|
|
#include "mfb.h"
|
|
#include "mi.h"
|
|
#include "ppcGCstr.h"
|
|
|
|
void
|
|
xf4bppChangeGCtype( pGC, devPriv )
|
|
register GC *pGC ;
|
|
register ppcPrivGCPtr devPriv ;
|
|
{
|
|
if ( devPriv->lastDrawableType == DRAWABLE_PIXMAP ) {
|
|
pGC->ops->CopyArea = miCopyArea ;
|
|
pGC->ops->PolyFillRect = miPolyFillRect ;
|
|
pGC->ops->PushPixels = miPushPixels ;
|
|
pGC->ops->PolyArc = miPolyArc ;
|
|
pGC->ops->PolyFillArc = miPolyFillArc ;
|
|
pGC->ops->PolySegment = miPolySegment ;
|
|
}
|
|
else {
|
|
pGC->ops->CopyArea = xf4bppCopyArea ;
|
|
pGC->ops->PolyFillRect = xf4bppPolyFillRect ;
|
|
pGC->ops->PushPixels = miPushPixels ; /* GJA */
|
|
pGC->ops->PolyArc = xf4bppZeroPolyArc ;
|
|
pGC->ops->PolyFillArc = xf4bppPolyFillArc ;
|
|
pGC->ops->PolySegment = xf4bppSegmentSS ;
|
|
}
|
|
return;
|
|
}
|
|
|
|
Mask
|
|
xf4bppChangeWindowGC( pGC, changes )
|
|
register GC *pGC ;
|
|
register Mask changes ;
|
|
{
|
|
register ppcPrivGCPtr devPriv = (ppcPrivGCPtr) (pGC->devPrivates[mfbGetGCPrivateIndex()].ptr) ;
|
|
register unsigned long int idx ; /* used for stepping through bitfields */
|
|
|
|
#define LOWBIT( x ) ( x & - x ) /* Two's complement */
|
|
while ((idx = LOWBIT(changes))) {
|
|
switch ( idx ) {
|
|
|
|
case GCLineStyle:
|
|
case GCLineWidth:
|
|
pGC->ops->PolyArc = ( ( pGC->lineStyle == LineSolid )
|
|
? ( ( pGC->lineWidth == 0 ) ? xf4bppZeroPolyArc
|
|
: miPolyArc )
|
|
: miPolyArc ) ;
|
|
pGC->ops->PolySegment = ( ( pGC->lineStyle == LineSolid )
|
|
? ( ( pGC->lineWidth == 0 )
|
|
? ( ( pGC->fillStyle == FillSolid ) ?
|
|
xf4bppSegmentSS : miPolySegment )
|
|
: miPolySegment )
|
|
: ( ( pGC->lineWidth == 0 )
|
|
? ( ( pGC->fillStyle == FillSolid ) ?
|
|
xf4bppSegmentSD : miPolySegment )
|
|
: miPolySegment ) ) ;
|
|
pGC->ops->Polylines = ( ( pGC->lineStyle == LineSolid )
|
|
? ( ( pGC->lineWidth == 0 )
|
|
? ( (pGC->fillStyle == FillSolid ) ?
|
|
xf4bppLineSS : miZeroLine )
|
|
: miWideLine )
|
|
: ( ( pGC->lineWidth == 0 )
|
|
? ( (pGC->fillStyle == FillSolid ) ?
|
|
xf4bppLineSD : miWideDash )
|
|
: miWideDash ) ) ;
|
|
/*
|
|
* If these are just square boxes with no funny business
|
|
* going on we can call the fast routine that draws
|
|
* rectangles without floating point.
|
|
*/
|
|
/* too buggy */
|
|
#if 0
|
|
if ( ( pGC->lineStyle == LineSolid )
|
|
&& ( pGC->joinStyle == JoinMiter )
|
|
&& ( pGC->lineWidth != 0 ) )
|
|
pGC->ops->PolyRectangle = xf4bppPolyRectangle;
|
|
else
|
|
#endif
|
|
pGC->ops->PolyRectangle = miPolyRectangle;
|
|
|
|
changes &= ~( GCLineStyle | GCLineWidth ) ;
|
|
break ;
|
|
case GCJoinStyle:
|
|
/*
|
|
* If these are just square boxes with no funny business
|
|
* going on we can call the fast routine that draws
|
|
* rectangles without floating point.
|
|
*/
|
|
/* too buggy */
|
|
#if 0
|
|
if ( ( pGC->lineStyle == LineSolid )
|
|
&& ( pGC->joinStyle == JoinMiter )
|
|
&& ( pGC->lineWidth != 0 ) )
|
|
pGC->ops->PolyRectangle = xf4bppPolyRectangle;
|
|
else
|
|
#endif
|
|
pGC->ops->PolyRectangle = miPolyRectangle;
|
|
changes &= ~ idx ; /* i.e. changes &= ~ GCJoinStyle */
|
|
break ;
|
|
|
|
case GCBackground:
|
|
if ( pGC->fillStyle != FillOpaqueStippled ) {
|
|
changes &= ~ idx ; /* i.e. changes &= ~GCBackground */
|
|
break ;
|
|
} /* else Fall Through */
|
|
case GCForeground:
|
|
if ( pGC->fillStyle == FillTiled ) {
|
|
changes &= ~ idx ; /* i.e. changes &= ~GCForeground */
|
|
break ;
|
|
} /* else Fall Through */
|
|
case GCFunction:
|
|
case GCPlaneMask:
|
|
case GCFillStyle:
|
|
{ /* new_fill */
|
|
int fillStyle = devPriv->colorRrop.fillStyle ;
|
|
/* install a suitable fillspans */
|
|
if ( fillStyle == FillSolid )
|
|
pGC->ops->FillSpans = xf4bppSolidWindowFS ;
|
|
else if ( fillStyle == FillStippled )
|
|
pGC->ops->FillSpans = xf4bppStippleWindowFS ;
|
|
else if ( fillStyle == FillOpaqueStippled )
|
|
pGC->ops->FillSpans = xf4bppOpStippleWindowFS ;
|
|
else /* fillStyle == FillTiled */
|
|
pGC->ops->FillSpans = xf4bppTileWindowFS ;
|
|
} /* end of new_fill */
|
|
changes &= ~( GCBackground | GCForeground
|
|
| GCFunction
|
|
| GCPlaneMask | GCFillStyle ) ;
|
|
break ;
|
|
|
|
default:
|
|
ErrorF("xf4bppChangeWindowGC: Unexpected GC Change\n") ;
|
|
changes &= ~ idx ; /* Remove it anyway */
|
|
break ;
|
|
}
|
|
}
|
|
return changes;
|
|
}
|