Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 186 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/cfb/cfbpush8.c b/nx-X11/programs/Xserver/cfb/cfbpush8.c
new file mode 100644
index 000000000..3492c8e25
--- /dev/null
+++ b/nx-X11/programs/Xserver/cfb/cfbpush8.c
@@ -0,0 +1,186 @@
+/*
+ * Push Pixels for 8 bit displays.
+ */
+
+/* $XFree86: xc/programs/Xserver/cfb/cfbpush8.c,v 1.5 2001/01/17 22:36:36 dawes Exp $ */
+
+/*
+
+Copyright 1989, 1998  The Open Group
+
+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.
+
+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
+OPEN GROUP 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 Open Group 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 Open Group.
+*/
+/* $Xorg: cfbpush8.c,v 1.4 2001/02/09 02:04:38 xorgcvs Exp $ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#if PSZ == 8
+
+#include	<X11/X.h>
+#include	<X11/Xmd.h>
+#include	<X11/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 CfbBits   *src, *dst;
+    register CfbBits   pixel;
+    register CfbBits   c, bits;
+    CfbBits   *pdstLine, *psrcLine;
+    CfbBits   *pdstBase;
+    int		    srcWidth;
+    int		    dstWidth;
+    int		    xoff;
+    int		    nBitmapLongs, nPixmapLongs;
+    int		    nBitmapTmp, nPixmapTmp;
+    CfbBits   rightMask;
+    BoxRec	    bbox;
+    cfbPrivGCPtr    devPriv;
+
+    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, pGC->pCompositeClip, &bbox))
+    {
+      case rgnPART:
+	mfbPushPixels(pGC, pBitmap, pDrawable, dx, dy, xOrg, yOrg);
+      case rgnOUT:
+	return;
+    }
+
+    cfbGetLongWidthAndPointer (pDrawable, dstWidth, pdstBase)
+
+    psrcLine = (CfbBits *) 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