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