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, 177 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/fb/fbline.c b/nx-X11/programs/Xserver/fb/fbline.c
new file mode 100644
index 000000000..8e99dd99f
--- /dev/null
+++ b/nx-X11/programs/Xserver/fb/fbline.c
@@ -0,0 +1,177 @@
+/*
+ * $XFree86$
+ *
+ * Copyright © 1998 Keith Packard
+ *
+ * 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 the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD 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.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "fb.h"
+
+void
+fbZeroLine (DrawablePtr	pDrawable,
+	    GCPtr	pGC,
+	    int		mode,
+	    int		npt,
+	    DDXPointPtr	ppt)
+{
+    int		    x1, y1, x2, y2;
+    int		    x, y;
+    int		    dashOffset;
+
+    x = pDrawable->x;
+    y = pDrawable->y;
+    x1 = ppt->x;
+    y1 = ppt->y;
+    dashOffset = pGC->dashOffset;
+    while (--npt)
+    {
+	++ppt;
+	x2 = ppt->x;
+	y2 = ppt->y;
+	if (mode == CoordModePrevious)
+	{
+	    x2 += x1;
+	    y2 += y1;
+	}
+	fbSegment (pDrawable, pGC, x1 + x, y1 + y, 
+		   x2 + x, y2 + y, 
+		   npt == 1 && pGC->capStyle != CapNotLast,
+		   &dashOffset);
+	x1 = x2;
+	y1 = y2;
+    }
+}
+
+void
+fbZeroSegment (DrawablePtr  pDrawable,
+	       GCPtr	    pGC,
+	       int	    nseg,
+	       xSegment	    *pSegs)
+{
+    int	    dashOffset;
+    int	    x, y;
+    Bool    drawLast = pGC->capStyle != CapNotLast;
+    
+    x = pDrawable->x;
+    y = pDrawable->y;
+    while (nseg--)
+    {
+	dashOffset = pGC->dashOffset;
+	fbSegment (pDrawable, pGC, 
+		   pSegs->x1 + x, pSegs->y1 + y,
+		   pSegs->x2 + x, pSegs->y2 + y,
+		   drawLast,
+		   &dashOffset);
+	pSegs++;
+    }
+}
+
+void
+fbFixCoordModePrevious (int	    npt,
+			DDXPointPtr ppt)
+{
+    int	    x, y;
+
+    x = ppt->x;
+    y = ppt->y;
+    npt--;
+    while (npt--)
+    {
+	ppt++;
+	x = (ppt->x += x);
+	y = (ppt->y += y);
+    }
+}
+
+void
+fbPolyLine (DrawablePtr	pDrawable,
+	    GCPtr	pGC,
+	    int		mode,
+	    int		npt,
+	    DDXPointPtr	ppt)
+{
+    void	(*line) (DrawablePtr, GCPtr, int mode, int npt, DDXPointPtr ppt);
+    
+    if (pGC->lineWidth == 0)
+    {
+	line = fbZeroLine;
+#ifndef FBNOPIXADDR
+	if (pGC->fillStyle == FillSolid &&
+	    pGC->lineStyle == LineSolid &&
+	    REGION_NUM_RECTS (fbGetCompositeClip(pGC)) == 1)
+	{
+	    switch (pDrawable->bitsPerPixel) {
+	    case 8:  line = fbPolyline8; break;
+	    case 16: line = fbPolyline16; break;
+#ifdef FB_24BIT
+	    case 24: line = fbPolyline24; break;
+#endif
+	    case 32: line = fbPolyline32; break;
+	    }
+	}
+#endif
+    }
+    else
+    {
+	if (pGC->lineStyle != LineSolid)
+	    line = miWideDash;
+	else
+	    line = miWideLine;
+    }
+    (*line) (pDrawable, pGC, mode, npt, ppt);
+}
+
+void
+fbPolySegment (DrawablePtr  pDrawable,
+	       GCPtr	    pGC,
+	       int	    nseg,
+	       xSegment	    *pseg)
+{
+    void    (*seg) (DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment *pseg);
+
+    if (pGC->lineWidth == 0)
+    {
+	seg = fbZeroSegment;
+#ifndef FBNOPIXADDR
+	if (pGC->fillStyle == FillSolid &&
+	    pGC->lineStyle == LineSolid &&
+	    REGION_NUM_RECTS (fbGetCompositeClip(pGC)) == 1)
+	{
+	    switch (pDrawable->bitsPerPixel) {
+	    case 8:  seg = fbPolySegment8; break;
+	    case 16: seg = fbPolySegment16; break;
+#ifdef FB_24BIT
+	    case 24: seg = fbPolySegment24; break;
+#endif
+	    case 32: seg = fbPolySegment32; break;
+	    }
+	}
+#endif
+    }
+    else
+    {
+	seg = miPolySegment;
+    }
+    (*seg) (pDrawable, pGC, nseg, pseg);
+}