105 lines
3.4 KiB
C
105 lines
3.4 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/xf4bpp/emulOpStip.c,v 1.2 1998/07/25 16:59:27 dawes Exp $ */
|
|
/*
|
|
* 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.
|
|
*
|
|
*/
|
|
/* $XConsortium: emulOpStip.c /main/4 1996/02/21 17:56:12 kaleb $ */
|
|
|
|
/* ppc OpaqueStipple
|
|
*
|
|
* Based on the private stipple; does a foreground, and then an inverted
|
|
* on the background
|
|
*
|
|
*/
|
|
|
|
#ifdef HAVE_XORG_CONFIG_H
|
|
#include <xorg-config.h>
|
|
#endif
|
|
|
|
#include "xf4bpp.h"
|
|
#include "OScompiler.h"
|
|
#include "mfbmap.h"
|
|
#include "mfb.h"
|
|
|
|
void
|
|
xf4bppOpaqueStipple( pWin, pStipple, fg, bg, alu, planes, x, y, w, h, xSrc, ySrc )
|
|
WindowPtr pWin; /* GJA */
|
|
register PixmapPtr pStipple ;
|
|
unsigned long int fg ;
|
|
unsigned long int bg ;
|
|
int alu ;
|
|
unsigned long int planes ;
|
|
register int x, y, w, h ;
|
|
int xSrc, ySrc ;
|
|
{
|
|
/* DO BACKGROUND */
|
|
switch ( alu ) {
|
|
/* Easy Cases -- i.e. Final Result Doesn't Depend On Initial Dest. */
|
|
case GXclear: /* 0x0 Zero 0 */
|
|
case GXset: /* 0xf 1 */
|
|
/* Foreground And Background Are Both The Same !! */
|
|
xf4bppFillSolid( pWin, bg, alu, planes, x, y, w, h ) ;
|
|
case GXnoop: /* 0x5 dst */
|
|
break ;
|
|
case GXcopy: /* 0x3 src */
|
|
case GXcopyInverted: /* 0xc NOT src */
|
|
{ /* Special Case Code */
|
|
register int vtarget, htarget ;
|
|
|
|
/* We Can Draw Just One Copy Then Blit The Rest !! */
|
|
/* Draw The One Copy */
|
|
htarget = MIN( w, pStipple->drawable.width ) ;
|
|
vtarget = MIN( h, pStipple->drawable.height ) ;
|
|
|
|
/* First The Background */
|
|
xf4bppFillSolid( pWin, bg, alu, planes, x, y,
|
|
htarget, vtarget ) ;
|
|
/* Then The Foreground */
|
|
xf4bppFillStipple( pWin, pStipple, fg, alu, planes,
|
|
x, y, htarget, vtarget,
|
|
xSrc, ySrc ) ;
|
|
|
|
/* Here We Double The Size Of The BLIT Each Iteration */
|
|
xf4bppReplicateArea(pWin, x, y, planes, w, h, htarget, vtarget);
|
|
}
|
|
break ;
|
|
default:
|
|
/* Hard Cases -- i.e. Final Result DOES Depend On Initial Dest. */
|
|
{ /* Do The Background */
|
|
register int i, j;
|
|
register PixmapPtr pInvPixmap = xf4bppCopyPixmap( pStipple ) ;
|
|
register unsigned char *data = pInvPixmap->devPrivate.ptr ;
|
|
|
|
/* INVERT PIXMAP OK, jeff, this is for you */
|
|
for ( i = pInvPixmap->drawable.height ; i-- ; )
|
|
for ( j = pInvPixmap->devKind ; j-- ; data++ )
|
|
*data = ~ ( *data ) ;
|
|
|
|
xf4bppFillStipple( pWin, pInvPixmap, bg, alu, planes, x, y, w, h, xSrc, ySrc );
|
|
mfbDestroyPixmap( pInvPixmap ) ;
|
|
/* DO FOREGROUND */
|
|
xf4bppFillStipple( pWin, pStipple, fg, alu, planes, x, y, w, h, xSrc, ySrc );
|
|
}
|
|
break ;
|
|
}
|
|
return;
|
|
}
|