--- /dev/null
+/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
+/***********************************************************
+
+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.
+
+******************************************************************/
+/* $XConsortium: mfbtile.c,v 5.8 94/04/17 20:28:36 dpw Exp $ */
+#include "X.h"
+
+#include "windowstr.h"
+#include "regionstr.h"
+#include "pixmapstr.h"
+#include "scrnintstr.h"
+
+#include "mfb.h"
+#include "maskbits.h"
+
+#include "mergerop.h"
+/*
+
+ the boxes are already translated.
+
+ NOTE:
+ iy = ++iy < tileHeight ? iy : 0
+is equivalent to iy%= tileheight, and saves a division.
+*/
+
+/*
+ tile area with a PPW bit wide pixmap
+*/
+void
+MROP_NAME(mfbTileAreaPPW)(pDraw, nbox, pbox, alu, ptile)
+ DrawablePtr pDraw;
+ int nbox;
+ BoxPtr pbox;
+ int alu;
+ PixmapPtr ptile;
+{
+ register PixelType *psrc;
+ /* pointer to bits in tile, if needed */
+ int tileHeight; /* height of the tile */
+ register PixelType srcpix;
+ int nlwidth; /* width in longwords of the drawable */
+ int w; /* width of current box */
+ MROP_DECLARE_REG ()
+ register int h; /* height of current box */
+ register int nlw; /* loop version of nlwMiddle */
+ register PixelType *p; /* pointer to bits we're writing */
+ PixelType startmask;
+ PixelType endmask; /* masks for reggedy bits at either end of line */
+ int nlwMiddle; /* number of longwords between sides of boxes */
+ int nlwExtra; /* to get from right of box to left of next span */
+ register int iy; /* index of current scanline in tile */
+ PixelType *pbits; /* pointer to start of drawable */
+
+ mfbGetPixelWidthAndPointer(pDraw, nlwidth, pbits);
+
+ MROP_INITIALIZE(alu,~0)
+
+ tileHeight = ptile->drawable.height;
+ psrc = (PixelType *)(ptile->devPrivate.ptr);
+
+ while (nbox--)
+ {
+ w = pbox->x2 - pbox->x1;
+ h = pbox->y2 - pbox->y1;
+ iy = pbox->y1 % tileHeight;
+ p = mfbScanline(pbits, pbox->x1, pbox->y1, nlwidth);
+
+ if ( ((pbox->x1 & PIM) + w) < PPW)
+ {
+ maskpartialbits(pbox->x1, w, startmask);
+ nlwExtra = nlwidth;
+ while (h--)
+ {
+ srcpix = psrc[iy];
+ iy++;
+ if (iy == tileHeight)
+ iy = 0;
+ *p = MROP_MASK(srcpix,*p,startmask);
+ mfbScanlineInc(p, nlwExtra);
+ }
+ }
+ else
+ {
+ maskbits(pbox->x1, w, startmask, endmask, nlwMiddle);
+ nlwExtra = nlwidth - nlwMiddle;
+
+ if (startmask && endmask)
+ {
+ nlwExtra -= 1;
+ while (h--)
+ {
+ srcpix = psrc[iy];
+ iy++;
+ if (iy == tileHeight)
+ iy = 0;
+ nlw = nlwMiddle;
+ *p = MROP_MASK (srcpix,*p,startmask);
+ p++;
+ while (nlw--)
+ {
+ *p = MROP_SOLID(srcpix,*p);
+ p++;
+ }
+
+ *p = MROP_MASK(srcpix,*p,endmask);
+ mfbScanlineInc(p, nlwExtra);
+ }
+ }
+ else if (startmask && !endmask)
+ {
+ nlwExtra -= 1;
+ while (h--)
+ {
+ srcpix = psrc[iy];
+ iy++;
+ if (iy == tileHeight)
+ iy = 0;
+ nlw = nlwMiddle;
+ *p = MROP_MASK(srcpix,*p,startmask);
+ p++;
+ while (nlw--)
+ {
+ *p = MROP_SOLID(srcpix,*p);
+ p++;
+ }
+ mfbScanlineInc(p, nlwExtra);
+ }
+ }
+ else if (!startmask && endmask)
+ {
+ while (h--)
+ {
+ srcpix = psrc[iy];
+ iy++;
+ if (iy == tileHeight)
+ iy = 0;
+ nlw = nlwMiddle;
+ while (nlw--)
+ {
+ *p = MROP_SOLID(srcpix,*p);
+ p++;
+ }
+
+ *p = MROP_MASK(srcpix,*p,endmask);
+ mfbScanlineInc(p, nlwExtra);
+ }
+ }
+ else /* no ragged bits at either end */
+ {
+ while (h--)
+ {
+ srcpix = psrc[iy];
+ iy++;
+ if (iy == tileHeight)
+ iy = 0;
+ nlw = nlwMiddle;
+ while (nlw--)
+ {
+ *p = MROP_SOLID (srcpix,*p);
+ p++;
+ }
+ mfbScanlineInc(p, nlwExtra);
+ }
+ }
+ }
+ pbox++;
+ }
+}
+
+#if (MROP) == 0
+void
+mfbTileAreaPPW (pDraw, nbox, pbox, alu, ptile)
+ DrawablePtr pDraw;
+ int nbox;
+ BoxPtr pbox;
+ int alu;
+ PixmapPtr ptile;
+{
+ void (*f)(), mfbTileAreaPPWCopy(), mfbTileAreaPPWGeneral();
+
+ if (alu == GXcopy)
+ f = mfbTileAreaPPWCopy;
+ else
+ f = mfbTileAreaPPWGeneral;
+ (*f) (pDraw, nbox, pbox, alu, ptile);
+}
+#endif
projects / rdpsrv / blobdiff