+++ /dev/null
-/*
- * $XConsortium: cfb8cppl.c,v 1.15 94/04/17 20:28:41 dpw Exp $
- *
-Copyright (c) 1990 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.
- *
- * Author: Keith Packard, MIT X Consortium
- */
-
-#if PSZ == 8
-#include "X.h"
-#include "Xmd.h"
-#include "gcstruct.h"
-#include "window.h"
-#include "pixmapstr.h"
-#include "scrnintstr.h"
-#include "windowstr.h"
-#include "cfb.h"
-#undef PSZ /* for maskbits.h */
-#include "maskbits.h"
-#include "mergerop.h"
-
-#if BITMAP_BIT_ORDER == MSBFirst
-#define LeftMost (MFB_PPW-1)
-#define StepBit(bit, inc) ((bit) -= (inc))
-#else
-#define LeftMost 0
-#define StepBit(bit, inc) ((bit) += (inc))
-#endif
-
-#define GetBits(psrc, nBits, curBit, bitPos, bits) {\
- bits = 0; \
- while (nBits--) \
- { \
- bits |= (PixelType)(((*psrc++ >> bitPos) & 1)) << curBit; \
- StepBit (curBit, 1); \
- } \
-}
-
-void
-cfbCopyImagePlane (pSrcDrawable, pDstDrawable, rop, prgnDst, pptSrc, planemask)
- DrawablePtr pSrcDrawable;
- DrawablePtr pDstDrawable;
- int rop;
- RegionPtr prgnDst;
- DDXPointPtr pptSrc;
- unsigned long planemask;
-{
- cfbCopyPlane8to1 (pSrcDrawable, pDstDrawable, rop, prgnDst, pptSrc,
- (unsigned long) ~0L, planemask);
-}
-
-void
-cfbCopyPlane8to1 (pSrcDrawable, pDstDrawable, rop, prgnDst, pptSrc, planemask, bitPlane)
- DrawablePtr pSrcDrawable;
- DrawablePtr pDstDrawable;
- int rop;
- RegionPtr prgnDst;
- DDXPointPtr pptSrc;
- unsigned long planemask;
- unsigned long bitPlane;
-{
- int srcx, srcy, dstx, dsty, width, height;
- unsigned char *psrcBase;
- PixelType *pdstBase;
- int widthSrc, widthDst;
- unsigned char *psrcLine;
- PixelType *pdstLine;
- register unsigned char *psrc;
- register int i;
- register int curBit;
- register int bitPos;
- register unsigned long bits;
- register PixelType *pdst;
- PixelType startmask, endmask;
- int niStart, niEnd;
- int bitStart, bitEnd;
- int nl, nlMiddle;
- int nbox;
- BoxPtr pbox;
- MROP_DECLARE()
-
- if (!(planemask & 1))
- return;
-
- if (rop != GXcopy)
- MROP_INITIALIZE (rop, planemask);
-
- cfbGetByteWidthAndPointer (pSrcDrawable, widthSrc, psrcBase)
-
- mfbGetPixelWidthAndPointer (pDstDrawable, widthDst, pdstBase)
-
- bitPos = ffs (bitPlane) - 1;
-
- nbox = REGION_NUM_RECTS(prgnDst);
- pbox = REGION_RECTS(prgnDst);
- while (nbox--)
- {
- dstx = pbox->x1;
- dsty = pbox->y1;
- srcx = pptSrc->x;
- srcy = pptSrc->y;
- width = pbox->x2 - pbox->x1;
- height = pbox->y2 - pbox->y1;
- pbox++;
- pptSrc++;
- psrcLine = psrcBase + srcy * widthSrc + srcx;
- pdstLine = mfbScanline(pdstBase, dstx, dsty, widthDst);
- dstx &= MFB_PIM;
- if (dstx + width <= MFB_PPW)
- {
- maskpartialbits(dstx, width, startmask);
- nlMiddle = 0;
- endmask = 0;
- }
- else
- {
- maskbits (dstx, width, startmask, endmask, nlMiddle);
- }
- if (startmask)
- {
- niStart = min(MFB_PPW - dstx, width);
- bitStart = LeftMost;
- StepBit (bitStart, dstx);
- }
- if (endmask)
- {
- niEnd = (dstx + width) & MFB_PIM;
- bitEnd = LeftMost;
- }
- if (rop == GXcopy)
- {
- while (height--)
- {
- psrc = psrcLine;
- pdst = pdstLine;
- psrcLine += widthSrc;
- mfbScanlineInc(pdstLine, widthDst);
- if (startmask)
- {
- i = niStart;
- curBit = bitStart;
- GetBits (psrc, i, curBit, bitPos, bits);
- *pdst = *pdst & ~startmask | bits;
- pdst++;
- }
- nl = nlMiddle;
- while (nl--)
- {
- i = MFB_PPW;
- curBit = LeftMost;
- GetBits (psrc, i, curBit, bitPos, bits);
- *pdst++ = bits;
- }
- if (endmask)
- {
- i = niEnd;
- curBit = bitEnd;
- GetBits (psrc, i, curBit, bitPos, bits);
- *pdst = *pdst & ~endmask | bits;
- }
- }
- }
- else
- {
- while (height--)
- {
- psrc = psrcLine;
- pdst = pdstLine;
- psrcLine += widthSrc;
- mfbScanlineInc(pdstLine, widthDst);
- if (startmask)
- {
- i = niStart;
- curBit = bitStart;
- GetBits (psrc, i, curBit, bitPos, bits);
- *pdst = MROP_MASK(bits, *pdst, startmask);
- pdst++;
- }
- nl = nlMiddle;
- while (nl--)
- {
- i = MFB_PPW;
- curBit = LeftMost;
- GetBits (psrc, i, curBit, bitPos, bits);
- *pdst = MROP_SOLID(bits, *pdst);
- pdst++;
- }
- if (endmask)
- {
- i = niEnd;
- curBit = bitEnd;
- GetBits (psrc, i, curBit, bitPos, bits);
- *pdst = MROP_MASK (bits, *pdst, endmask);
- }
- }
- }
- }
-}
-
-#endif
projects / rdpsrv / blobdiff