Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 166 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/iplan2p4/iplgetsp.c b/nx-X11/programs/Xserver/iplan2p4/iplgetsp.c
new file mode 100644
index 000000000..c325ad1fe
--- /dev/null
+++ b/nx-X11/programs/Xserver/iplan2p4/iplgetsp.c
@@ -0,0 +1,166 @@
+/* $XFree86$ */
+/* $XConsortium: iplgetsp.c,v 5.14 94/04/17 20:28:50 dpw 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 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.
+
+******************************************************************/
+
+/* Modified nov 94 by Martin Schaller (Martin_Schaller@maus.r.de) for use with
+interleaved planes */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xmd.h>
+#include "servermd.h"
+
+#include "misc.h"
+#include "region.h"
+#include "gc.h"
+#include "windowstr.h"
+#include "pixmapstr.h"
+#include "scrnintstr.h"
+
+#include "ipl.h"
+#include "iplmskbits.h"
+#include "iplpack.h"
+
+/* GetSpans -- for each span, gets bits from drawable starting at ppt[i]
+ * and continuing for pwidth[i] bits
+ * Each scanline returned will be server scanline padded, i.e., it will come
+ * out to an integral number of words.
+ */
+void
+iplGetSpans(pDrawable, wMax, ppt, pwidth, nspans, pchardstStart)
+    DrawablePtr		pDrawable;	/* drawable from which to get bits */
+    int			wMax;		/* largest value of all *pwidths */
+    register DDXPointPtr ppt;		/* points to start copying from */
+    int			*pwidth;	/* list of number of bits to copy */
+    int			nspans;		/* number of scanlines to copy */
+    char		*pchardstStart; /* where to put the bits */
+{
+    unsigned long *pdst = (unsigned long *)pchardstStart;
+    INTER_DECLAREG(*psrc);		/* where to get the bits */
+    INTER_DECLAREGP(tmpSrc);		/* scratch buffer for bits */
+    INTER_DECLAREG(*psrcBase);		/* start of src bitmap */
+    int			widthSrc;	/* width of pixmap in bytes */
+    register DDXPointPtr pptLast;	/* one past last point to get */
+    int         	xEnd;		/* last pixel to copy from */
+    register int	nstart; 
+    int	 		nend; 
+    INTER_DECLAREG(startmask);
+    INTER_DECLAREG(endmask);
+    int			nlMiddle, nl, srcBit;
+    int			w,longs;
+    INTER_DECLAREG(*tmppdst);
+    INTER_DECLAREG(*ipdst);
+
+    switch (pDrawable->bitsPerPixel) {
+	case 1:
+	    mfbGetSpans(pDrawable, wMax, ppt, pwidth, nspans, pchardstStart);
+	    return;
+	case INTER_PLANES:
+	    break;
+	default:
+	    FatalError("iplGetSpans: invalid depth\n");
+    }
+
+    longs = NUM_LONGS(INTER_PLANES, 0, wMax);
+    tmppdst = (unsigned short *) 
+	ALLOCATE_LOCAL(NUM_TEMP_BYTES(INTER_PLANES, longs));
+    iplGetGroupWidthAndPointer (pDrawable, widthSrc, psrcBase) 
+
+    pptLast = ppt + nspans;
+    while(ppt < pptLast)
+    {
+	xEnd = min(ppt->x + *pwidth, (widthSrc / INTER_PLANES) << INTER_PGSH);
+	psrc = psrcBase + ppt->y * widthSrc + 
+		(ppt->x >> INTER_PGSH) * INTER_PLANES; 
+	w = xEnd - ppt->x;
+	srcBit = ppt->x & INTER_PIM;
+        ipdst = tmppdst;
+
+	if (srcBit + w <= INTER_PPG) 
+	{ 
+	    INTER_getbits(psrc, srcBit, w, tmpSrc);
+	    INTER_putbits(tmpSrc, 0, w, ipdst, ~((unsigned long)0)); 
+	} 
+	else 
+	{ 
+	    INTER_maskbits(ppt->x, w, startmask, endmask, nlMiddle);
+	    nstart = 0; 
+	    if (startmask) 
+	    { 
+		nstart = INTER_PPG - srcBit; 
+		INTER_getbits(psrc, srcBit, nstart, tmpSrc);
+		INTER_putbits(tmpSrc, 0, nstart, ipdst, ~((unsigned long)0));
+		if(srcBit + nstart >= INTER_PPG)
+		    INTER_NEXT_GROUP(psrc);
+	    } 
+	    nl = nlMiddle; 
+	    while (nl--) 
+	    { 
+		INTER_putbits(psrc, nstart, INTER_PPG, ipdst, ~((unsigned long)0));
+		INTER_NEXT_GROUP(psrc);
+		INTER_NEXT_GROUP(ipdst);
+	    } 
+	    if (endmask) 
+	    { 
+		nend = xEnd & INTER_PIM; 
+		INTER_getbits(psrc, 0, nend, tmpSrc);
+		INTER_putbits(tmpSrc, nstart, nend, ipdst, ~((unsigned long)0));
+	    } 
+	} 
+	longs=(w * INTER_PLANES + 31)/32;
+	iplPackLine(INTER_PLANES, longs, tmppdst, pdst);
+	pdst+=longs;
+        ppt++;
+	pwidth++;
+    }
+    DEALLOCATE_LOCAL(tmppdst);
+}