/* * Push Pixels for 8 bit displays. */ /* 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. Copyright 1992, 1993 Data General Corporation; Copyright 1992, 1993 OMRON Corporation Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, 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 neither the name OMRON or DATA GENERAL be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission of the party whose name is to be used. Neither OMRON or DATA GENERAL make any representation about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. OMRON AND DATA GENERAL EACH DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL OMRON OR DATA GENERAL 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: cfbpush8.c,v 1.5 94/04/17 21:16:25 rob Exp $ */ #if PSZ == 8 #include "X.h" #include "Xmd.h" #include "Xproto.h" #include "gcstruct.h" #include "windowstr.h" #include "scrnintstr.h" #include "pixmapstr.h" #include "regionstr.h" #include "cfb.h" #include "cfbmskbits.h" #include "cfb8bit.h" #define MFB_CONSTS_ONLY #include "maskbits.h" void cfbPushPixels8 (pGC, pBitmap, pDrawable, dx, dy, xOrg, yOrg) GCPtr pGC; PixmapPtr pBitmap; DrawablePtr pDrawable; int dx, dy, xOrg, yOrg; { register unsigned long *src, *dst; register unsigned long pixel; register unsigned long c, bits; unsigned long *pdstLine, *psrcLine; unsigned long *pdstBase; int srcWidth; int dstWidth; int xoff; int nBitmapLongs, nPixmapLongs; int nBitmapTmp, nPixmapTmp; unsigned long rightMask; BoxRec bbox; cfbPrivGCPtr devPriv; #if defined(XTHREADS) && defined(TRANSLATE_COORDS) int xorg, yorg; xorg = xOrg; yorg = yOrg; xOrg += pDrawable->x; yOrg += pDrawable->y; #endif /* XTHREADS */ bbox.x1 = xOrg; bbox.y1 = yOrg; bbox.x2 = bbox.x1 + dx; bbox.y2 = bbox.y1 + dy; devPriv = cfbGetGCPrivate(pGC); switch (RECT_IN_REGION(pGC->pScreen, devPriv->pCompositeClip, &bbox)) { case rgnPART: #if defined(XTHREADS) && defined(TRANSLATE_COORDS) mfbPushPixels(pGC, pBitmap, pDrawable, dx, dy, xorg, yorg); #else /* XTHREADS */ mfbPushPixels(pGC, pBitmap, pDrawable, dx, dy, xOrg, yOrg); #endif /* XTHREADS */ case rgnOUT: return; } cfbGetLongWidthAndPointer (pDrawable, dstWidth, pdstBase) psrcLine = (unsigned long *) pBitmap->devPrivate.ptr; srcWidth = (int) pBitmap->devKind >> PWSH; pixel = devPriv->xor; xoff = xOrg & PIM; nBitmapLongs = (dx + xoff) >> MFB_PWSH; nPixmapLongs = (dx + PGSZB + xoff) >> PWSH; rightMask = ~cfb8BitLenMasks[((dx + xoff) & MFB_PIM)]; pdstLine = pdstBase + (yOrg * dstWidth) + (xOrg >> PWSH); while (dy--) { c = 0; nPixmapTmp = nPixmapLongs; nBitmapTmp = nBitmapLongs; src = psrcLine; dst = pdstLine; while (nBitmapTmp--) { bits = *src++; c |= BitRight (bits, xoff); WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; nPixmapTmp -= 8; c = 0; if (xoff) c = BitLeft (bits, PGSZ - xoff); } if (BitLeft (rightMask, xoff)) c |= BitRight (*src, xoff); c &= rightMask; switch (nPixmapTmp) { case 8: WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; case 7: WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; case 6: WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; case 5: WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; case 4: WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; case 3: WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; case 2: WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; case 1: WriteBitGroup(dst, pixel, GetBitGroup(c)); NextBitGroup(c); dst++; case 0: break; } pdstLine += dstWidth; psrcLine += srcWidth; } } #endif