diff options
Diffstat (limited to 'nx-X11/programs/Xserver/iplan2p4/iplpolypnt.c')
| -rw-r--r-- | nx-X11/programs/Xserver/iplan2p4/iplpolypnt.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/iplan2p4/iplpolypnt.c b/nx-X11/programs/Xserver/iplan2p4/iplpolypnt.c new file mode 100644 index 000000000..61aea7ffd --- /dev/null +++ b/nx-X11/programs/Xserver/iplan2p4/iplpolypnt.c @@ -0,0 +1,123 @@ +/* $XFree86: xc/programs/Xserver/iplan2p4/iplpolypnt.c,v 3.0 1996/08/18 01:55:02 dawes Exp $ */ +/************************************************************ + +Copyright (c) 1989 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. + +********************************************************/ + +/* $XConsortium: iplpolypnt.c,v 5.17 94/04/17 20:28:57 dpw Exp $ */ + +/* 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 "gcstruct.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "regionstr.h" +#include "scrnintstr.h" +#include "ipl.h" +#include "iplmskbits.h" + +#define isClipped(c,ul,lr) ((((c) - (ul)) | ((lr) - (c))) & ClipMask) + +/* WARNING: pbox contains two shorts. This code assumes they are packed + * and can be referenced together as an INT32. + */ + +#define PointLoop(fill) { \ + for (nbox = REGION_NUM_RECTS(cclip), pbox = REGION_RECTS(cclip); \ + --nbox >= 0; \ + pbox++) \ + { \ + c1 = *((INT32 *) &pbox->x1) - off; \ + c2 = *((INT32 *) &pbox->x2) - off - 0x00010001; \ + for (ppt = (INT32 *) pptInit, i = npt; --i >= 0;) \ + { \ + pt = *ppt++; \ + if (!isClipped(pt,c1,c2)) { \ + fill \ + } \ + } \ + } \ +} + +void +iplPolyPoint(pDrawable, pGC, mode, npt, pptInit) + DrawablePtr pDrawable; + GCPtr pGC; + int mode; + int npt; + xPoint *pptInit; +{ + register INT32 pt; + register INT32 c1, c2; + register unsigned long ClipMask = 0x80008000; + INTER_DECLAREG(*addrg); + register int ngwidth; + register int xoffset; + INTER_DECLAREG(*addrgt); + register INT32 *ppt; + RegionPtr cclip; + int nbox; + register int i; + register BoxPtr pbox; + INTER_DECLARERRAX(and); + INTER_DECLARERRAX(xor); + int rop = pGC->alu; + int off; + iplPrivGCPtr devPriv; + xPoint *pptPrev; + + devPriv =iplGetGCPrivate(pGC); + rop = devPriv->rop; + if (rop == GXnoop) + return; + cclip = pGC->pCompositeClip; + xor = devPriv->xorg; + and = devPriv->andg; + if ((mode == CoordModePrevious) && (npt > 1)) + { + for (pptPrev = pptInit + 1, i = npt - 1; --i >= 0; pptPrev++) + { + pptPrev->x += (pptPrev-1)->x; + pptPrev->y += (pptPrev-1)->y; + } + } + off = *((int *) &pDrawable->x); + off -= (off & 0x8000) << 1; + iplGetGroupWidthAndPointer(pDrawable, ngwidth, addrg); + addrg = addrg + pDrawable->y * ngwidth + + (pDrawable->x >> INTER_PGSH) * INTER_PLANES; + xoffset = pDrawable->x & INTER_PIM; + PointLoop( addrgt = addrg + intToY(pt) * ngwidth + + ((intToX(pt) + xoffset) >> INTER_PGSH) * INTER_PLANES; + INTER_DoMaskRRop(addrgt, and, xor, + iplmask[(intToX(pt) + xoffset) & INTER_PIM], addrgt); + ) +} |