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R6.6 is the Xorg base-line
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Kaleb Keithley
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cb6ef07bf0
commit
ded6147bfb
609 changed files with 262690 additions and 0 deletions
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mfb/mfbfillrct.c
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mfb/mfbfillrct.c
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/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
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/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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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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/* $Xorg: mfbfillrct.c,v 1.4 2001/02/09 02:05:18 xorgcvs Exp $ */
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#include "X.h"
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#include "Xprotostr.h"
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#include "pixmapstr.h"
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#include "gcstruct.h"
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#include "windowstr.h"
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#include "miscstruct.h"
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#include "regionstr.h"
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#include "scrnintstr.h"
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#include "mfb.h"
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#include "maskbits.h"
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#define MODEQ(a, b) ((a) %= (b))
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void mfbPaintOddSize();
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/*
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filled rectangles.
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translate the rectangles, clip them, and call the
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helper function in the GC.
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*/
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#define NUM_STACK_RECTS 1024
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void
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mfbPolyFillRect(pDrawable, pGC, nrectFill, prectInit)
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DrawablePtr pDrawable;
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GCPtr pGC;
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int nrectFill; /* number of rectangles to fill */
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xRectangle *prectInit; /* Pointer to first rectangle to fill */
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{
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xRectangle *prect;
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RegionPtr prgnClip;
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register BoxPtr pbox;
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register BoxPtr pboxClipped;
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BoxPtr pboxClippedBase;
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BoxPtr pextent;
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BoxRec stackRects[NUM_STACK_RECTS];
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int numRects;
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int n;
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int xorg, yorg;
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mfbPrivGC *priv;
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int alu;
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void (* pfn) ();
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PixmapPtr ppix;
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if (!(pGC->planemask & 1))
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return;
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priv = (mfbPrivGC *) pGC->devPrivates[mfbGCPrivateIndex].ptr;
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alu = priv->ropFillArea;
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pfn = priv->FillArea;
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ppix = priv->pRotatedPixmap;
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prgnClip = priv->pCompositeClip;
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prect = prectInit;
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xorg = pDrawable->x;
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yorg = pDrawable->y;
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if (xorg || yorg)
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{
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prect = prectInit;
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n = nrectFill;
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Duff (n, prect->x += xorg; prect->y += yorg; prect++);
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}
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prect = prectInit;
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numRects = REGION_NUM_RECTS(prgnClip) * nrectFill;
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if (numRects > NUM_STACK_RECTS)
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{
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pboxClippedBase = (BoxPtr)ALLOCATE_LOCAL(numRects * sizeof(BoxRec));
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if (!pboxClippedBase)
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return;
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}
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else
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pboxClippedBase = stackRects;
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pboxClipped = pboxClippedBase;
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if (REGION_NUM_RECTS(prgnClip) == 1)
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{
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int x1, y1, x2, y2, bx2, by2;
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pextent = REGION_RECTS(prgnClip);
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x1 = pextent->x1;
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y1 = pextent->y1;
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x2 = pextent->x2;
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y2 = pextent->y2;
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while (nrectFill--)
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{
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if ((pboxClipped->x1 = prect->x) < x1)
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pboxClipped->x1 = x1;
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if ((pboxClipped->y1 = prect->y) < y1)
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pboxClipped->y1 = y1;
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bx2 = (int) prect->x + (int) prect->width;
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if (bx2 > x2)
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bx2 = x2;
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pboxClipped->x2 = bx2;
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by2 = (int) prect->y + (int) prect->height;
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if (by2 > y2)
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by2 = y2;
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pboxClipped->y2 = by2;
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prect++;
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if ((pboxClipped->x1 < pboxClipped->x2) &&
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(pboxClipped->y1 < pboxClipped->y2))
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{
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pboxClipped++;
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}
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}
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}
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else
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{
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int x1, y1, x2, y2, bx2, by2;
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pextent = REGION_EXTENTS(pGC->pScreen, prgnClip);
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x1 = pextent->x1;
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y1 = pextent->y1;
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x2 = pextent->x2;
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y2 = pextent->y2;
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while (nrectFill--)
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{
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BoxRec box;
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if ((box.x1 = prect->x) < x1)
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box.x1 = x1;
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if ((box.y1 = prect->y) < y1)
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box.y1 = y1;
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bx2 = (int) prect->x + (int) prect->width;
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if (bx2 > x2)
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bx2 = x2;
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box.x2 = bx2;
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by2 = (int) prect->y + (int) prect->height;
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if (by2 > y2)
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by2 = y2;
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box.y2 = by2;
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prect++;
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if ((box.x1 >= box.x2) || (box.y1 >= box.y2))
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continue;
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n = REGION_NUM_RECTS (prgnClip);
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pbox = REGION_RECTS(prgnClip);
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/* clip the rectangle to each box in the clip region
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this is logically equivalent to calling Intersect()
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*/
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while(n--)
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{
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pboxClipped->x1 = max(box.x1, pbox->x1);
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pboxClipped->y1 = max(box.y1, pbox->y1);
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pboxClipped->x2 = min(box.x2, pbox->x2);
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pboxClipped->y2 = min(box.y2, pbox->y2);
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pbox++;
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/* see if clipping left anything */
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if(pboxClipped->x1 < pboxClipped->x2 &&
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pboxClipped->y1 < pboxClipped->y2)
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{
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pboxClipped++;
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}
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}
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}
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}
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if (pboxClipped != pboxClippedBase)
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(*pfn) (pDrawable,pboxClipped-pboxClippedBase, pboxClippedBase, alu, ppix);
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if (pboxClippedBase != stackRects)
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DEALLOCATE_LOCAL(pboxClippedBase);
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}
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