X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=Xserver%2Fprograms%2FXserver%2Fmfb%2Fmfbfillrct.c;fp=Xserver%2Fprograms%2FXserver%2Fmfb%2Fmfbfillrct.c;h=ea55f51d0d6404ba14204708ece957d7ffa6ee19;hb=b6e6afccf37f4ad0515ef2a698f714fdf1bf23b3;hp=0000000000000000000000000000000000000000;hpb=e3340a110a3b01756b8e67531395a33b40a17d37;p=rdpsrv diff --git a/Xserver/programs/Xserver/mfb/mfbfillrct.c b/Xserver/programs/Xserver/mfb/mfbfillrct.c new file mode 100644 index 0000000..ea55f51 --- /dev/null +++ b/Xserver/programs/Xserver/mfb/mfbfillrct.c @@ -0,0 +1,225 @@ +/* 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: mfbfillrct.c,v 5.10 94/04/17 20:28:21 dpw Exp $ */ +#include "X.h" +#include "Xprotostr.h" +#include "pixmapstr.h" +#include "gcstruct.h" +#include "windowstr.h" +#include "miscstruct.h" +#include "regionstr.h" +#include "scrnintstr.h" + +#include "mfb.h" +#include "maskbits.h" + +#define MODEQ(a, b) ((a) %= (b)) +void mfbPaintOddSize(); + +/* + filled rectangles. + translate the rectangles, clip them, and call the +helper function in the GC. +*/ + +#define NUM_STACK_RECTS 1024 + +void +mfbPolyFillRect(pDrawable, pGC, nrectFill, prectInit) + DrawablePtr pDrawable; + GCPtr pGC; + int nrectFill; /* number of rectangles to fill */ + xRectangle *prectInit; /* Pointer to first rectangle to fill */ +{ + xRectangle *prect; + RegionPtr prgnClip; + register BoxPtr pbox; + register BoxPtr pboxClipped; + BoxPtr pboxClippedBase; + BoxPtr pextent; + BoxRec stackRects[NUM_STACK_RECTS]; + int numRects; + int n; + int xorg, yorg; + mfbPrivGC *priv; + int alu; + void (* pfn) (); + PixmapPtr ppix; + + if (!(pGC->planemask & 1)) + return; + + priv = (mfbPrivGC *) pGC->devPrivates[mfbGCPrivateIndex].ptr; + alu = priv->ropFillArea; + pfn = priv->FillArea; + ppix = priv->pRotatedPixmap; + prgnClip = priv->pCompositeClip; + + prect = prectInit; + xorg = pDrawable->x; + yorg = pDrawable->y; + if (xorg || yorg) + { + prect = prectInit; + n = nrectFill; + Duff (n, prect->x += xorg; prect->y += yorg; prect++); + } + + + prect = prectInit; + + numRects = REGION_NUM_RECTS(prgnClip) * nrectFill; + if (numRects > NUM_STACK_RECTS) + { + pboxClippedBase = (BoxPtr)ALLOCATE_LOCAL(numRects * sizeof(BoxRec)); + if (!pboxClippedBase) + return; + } + else + pboxClippedBase = stackRects; + + pboxClipped = pboxClippedBase; + + if (REGION_NUM_RECTS(prgnClip) == 1) + { + int x1, y1, x2, y2, bx2, by2; + + pextent = REGION_RECTS(prgnClip); + x1 = pextent->x1; + y1 = pextent->y1; + x2 = pextent->x2; + y2 = pextent->y2; + while (nrectFill--) + { + if ((pboxClipped->x1 = prect->x) < x1) + pboxClipped->x1 = x1; + + if ((pboxClipped->y1 = prect->y) < y1) + pboxClipped->y1 = y1; + + bx2 = (int) prect->x + (int) prect->width; + if (bx2 > x2) + bx2 = x2; + pboxClipped->x2 = bx2; + + by2 = (int) prect->y + (int) prect->height; + if (by2 > y2) + by2 = y2; + pboxClipped->y2 = by2; + + prect++; + if ((pboxClipped->x1 < pboxClipped->x2) && + (pboxClipped->y1 < pboxClipped->y2)) + { + pboxClipped++; + } + } + } + else + { + int x1, y1, x2, y2, bx2, by2; + + pextent = REGION_EXTENTS(pGC->pScreen, prgnClip); + x1 = pextent->x1; + y1 = pextent->y1; + x2 = pextent->x2; + y2 = pextent->y2; + while (nrectFill--) + { + BoxRec box; + + if ((box.x1 = prect->x) < x1) + box.x1 = x1; + + if ((box.y1 = prect->y) < y1) + box.y1 = y1; + + bx2 = (int) prect->x + (int) prect->width; + if (bx2 > x2) + bx2 = x2; + box.x2 = bx2; + + by2 = (int) prect->y + (int) prect->height; + if (by2 > y2) + by2 = y2; + box.y2 = by2; + + prect++; + + if ((box.x1 >= box.x2) || (box.y1 >= box.y2)) + continue; + + n = REGION_NUM_RECTS (prgnClip); + pbox = REGION_RECTS(prgnClip); + + /* clip the rectangle to each box in the clip region + this is logically equivalent to calling Intersect() + */ + while(n--) + { + pboxClipped->x1 = max(box.x1, pbox->x1); + pboxClipped->y1 = max(box.y1, pbox->y1); + pboxClipped->x2 = min(box.x2, pbox->x2); + pboxClipped->y2 = min(box.y2, pbox->y2); + pbox++; + + /* see if clipping left anything */ + if(pboxClipped->x1 < pboxClipped->x2 && + pboxClipped->y1 < pboxClipped->y2) + { + pboxClipped++; + } + } + } + } + if (pboxClipped != pboxClippedBase) + (*pfn) (pDrawable,pboxClipped-pboxClippedBase, pboxClippedBase, alu, ppix); + if (pboxClippedBase != stackRects) + DEALLOCATE_LOCAL(pboxClippedBase); +}