xserver git update 15/5/2010

1 files changed, 379 insertions, 379 deletions

diff --git a/xorg-server/mi/mizerline.c b/xorg-server/mi/mizerline.c
index 46e2e2adc..d37e1cc96 100644
--- a/xorg-server/mi/mizerline.c
+++ b/xorg-server/mi/mizerline.c
@@ -1,379 +1,379 @@
-/***********************************************************
-
-Copyright 1987, 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.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
-                        All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its 
-documentation for any purpose and without fee is hereby granted, 
-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 Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.  
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL 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 <X11/X.h>
-
-#include "misc.h"
-#include "scrnintstr.h"
-#include "gcstruct.h"
-#include "windowstr.h"
-#include "pixmap.h"
-#include "mi.h"
-#include "miline.h"
-
-/* Draw lineSolid, fillStyle-independent zero width lines.
- *
- * Must keep X and Y coordinates in "ints" at least until after they're
- * translated and clipped to accomodate CoordModePrevious lines with very
- * large coordinates.
- *
- * Draws the same pixels regardless of sign(dx) or sign(dy).
- *
- * Ken Whaley
- *
- */
-
-/* largest positive value that can fit into a component of a point.
- * Assumes that the point structure is {type x, y;} where type is
- * a signed type.
- */
-#define MAX_COORDINATE ((1 << (((sizeof(DDXPointRec) >> 1) << 3) - 1)) - 1)
-
-#define MI_OUTPUT_POINT(xx, yy)\
-{\
-    if ( !new_span && yy == current_y)\
-    {\
-        if (xx < spans->x)\
-	    spans->x = xx;\
-	++*widths;\
-    }\
-    else\
-    {\
-        ++Nspans;\
-	++spans;\
-	++widths;\
-	spans->x = xx;\
-	spans->y = yy;\
-	*widths = 1;\
-	current_y = yy;\
-        new_span = FALSE;\
-    }\
-}
-
-void
-miZeroLine(
-    DrawablePtr pDraw,
-    GCPtr	pGC,
-    int		mode,		/* Origin or Previous */
-    int		npt,		/* number of points */
-    DDXPointPtr pptInit)
-{
-    int Nspans, current_y = 0;
-    DDXPointPtr ppt; 
-    DDXPointPtr pspanInit, spans;
-    int *pwidthInit, *widths, list_len;
-    int xleft, ytop, xright, ybottom;
-    int new_x1, new_y1, new_x2, new_y2;
-    int x = 0, y = 0, x1, y1, x2, y2, xstart, ystart;
-    int oc1, oc2;
-    int result;
-    int pt1_clipped, pt2_clipped = 0;
-    Bool new_span;
-    int signdx, signdy;
-    int clipdx, clipdy;
-    int width, height;
-    int adx, ady;
-    int octant;
-    unsigned int bias = miGetZeroLineBias(pDraw->pScreen);
-    int e, e1, e2, e3;	/* Bresenham error terms */
-    int length;		/* length of lines == # of pixels on major axis */
-
-    xleft   = pDraw->x;
-    ytop    = pDraw->y;
-    xright  = pDraw->x + pDraw->width - 1;
-    ybottom = pDraw->y + pDraw->height - 1;
-
-    if (!pGC->miTranslate)
-    {
-	/* do everything in drawable-relative coordinates */
-	xleft    = 0;
-	ytop     = 0;
-	xright  -= pDraw->x;
-	ybottom -= pDraw->y;
-    }
-
-    /* it doesn't matter whether we're in drawable or screen coordinates,
-     * FillSpans simply cannot take starting coordinates outside of the
-     * range of a DDXPointRec component.
-     */
-    if (xright > MAX_COORDINATE)
-	xright = MAX_COORDINATE;
-    if (ybottom > MAX_COORDINATE)
-	ybottom = MAX_COORDINATE;
-
-    /* since we're clipping to the drawable's boundaries & coordinate
-     * space boundaries, we're guaranteed that the larger of width/height
-     * is the longest span we'll need to output
-     */
-    width = xright - xleft + 1;
-    height = ybottom - ytop + 1;
-    list_len = (height >= width) ? height : width;
-    pspanInit = xalloc(list_len * sizeof(DDXPointRec));
-    pwidthInit = xalloc(list_len * sizeof(int));
-    if (!pspanInit || !pwidthInit)
-	return;
-
-    Nspans = 0;
-    new_span = TRUE;
-    spans  = pspanInit - 1;
-    widths = pwidthInit - 1;
-    ppt = pptInit;
-
-    xstart = ppt->x;
-    ystart = ppt->y;
-    if (pGC->miTranslate)
-    {
-	xstart += pDraw->x;
-	ystart += pDraw->y;
-    }
-    
-    /* x2, y2, oc2 copied to x1, y1, oc1 at top of loop to simplify
-     * iteration logic
-     */
-    x2 = xstart;
-    y2 = ystart;
-    oc2 = 0;
-    MIOUTCODES(oc2, x2, y2, xleft, ytop, xright, ybottom);
-
-    while (--npt > 0)
-    {
-	if (Nspans > 0)
-	    (*pGC->ops->FillSpans)(pDraw, pGC, Nspans, pspanInit,
-				   pwidthInit, FALSE);
-	Nspans = 0;
-	new_span = TRUE;
-	spans  = pspanInit - 1;
-	widths = pwidthInit - 1;
-
-	x1  = x2;
-	y1  = y2;
-	oc1 = oc2;
-	++ppt;
-
-	x2 = ppt->x;
-	y2 = ppt->y;
-	if (pGC->miTranslate && (mode != CoordModePrevious))
-	{
-	    x2 += pDraw->x;
-	    y2 += pDraw->y;
-	}
-	else if (mode == CoordModePrevious)
-	{
-	    x2 += x1;
-	    y2 += y1;
-	}
-
-	oc2 = 0;
-	MIOUTCODES(oc2, x2, y2, xleft, ytop, xright, ybottom);
-
-	CalcLineDeltas(x1, y1, x2, y2, adx, ady, signdx, signdy, 1, 1, octant);
-
-	if (adx > ady)
-	{
-	    e1 = ady << 1;
-	    e2 = e1 - (adx << 1);
-	    e  = e1 - adx;
-	    length  = adx;	/* don't draw endpoint in main loop */
-
-	    FIXUP_ERROR(e, octant, bias);
-
-	    new_x1 = x1;
-	    new_y1 = y1;
-	    new_x2 = x2;
-	    new_y2 = y2;
-	    pt1_clipped = 0;
-	    pt2_clipped = 0;
-
-	    if ((oc1 | oc2) != 0)
-	    {
-		result = miZeroClipLine(xleft, ytop, xright, ybottom,
-					&new_x1, &new_y1, &new_x2, &new_y2,
-					adx, ady,
-					&pt1_clipped, &pt2_clipped,
-					octant, bias, oc1, oc2);
-		if (result == -1)
-		    continue;
-
-		length = abs(new_x2 - new_x1);
-
-		/* if we've clipped the endpoint, always draw the full length
-		 * of the segment, because then the capstyle doesn't matter 
-		 */
-		if (pt2_clipped)
-		    length++;
-
-		if (pt1_clipped)
-		{
-		    /* must calculate new error terms */
-		    clipdx = abs(new_x1 - x1);
-		    clipdy = abs(new_y1 - y1);
-		    e += (clipdy * e2) + ((clipdx - clipdy) * e1);
-		}
-	    }
-
-	    /* draw the segment */
-
-	    x = new_x1;
-	    y = new_y1;
-	    
-	    e3 = e2 - e1;
-	    e  = e - e1;
-
-	    while (length--)
-	    {
-		MI_OUTPUT_POINT(x, y);
-		e += e1;
-		if (e >= 0)
-		{
-		    y += signdy;
-		    e += e3;
-		}
-		x += signdx;
-	    }
-	}
-	else    /* Y major line */
-	{
-	    e1 = adx << 1;
-	    e2 = e1 - (ady << 1);
-	    e  = e1 - ady;
-	    length  = ady;	/* don't draw endpoint in main loop */
-
-	    SetYMajorOctant(octant);
-	    FIXUP_ERROR(e, octant, bias);
-
-	    new_x1 = x1;
-	    new_y1 = y1;
-	    new_x2 = x2;
-	    new_y2 = y2;
-	    pt1_clipped = 0;
-	    pt2_clipped = 0;
-
-	    if ((oc1 | oc2) != 0)
-	    {
-		result = miZeroClipLine(xleft, ytop, xright, ybottom,
-					&new_x1, &new_y1, &new_x2, &new_y2,
-					adx, ady,
-					&pt1_clipped, &pt2_clipped,
-					octant, bias, oc1, oc2);
-		if (result == -1)
-		    continue;
-
-		length = abs(new_y2 - new_y1);
-
-		/* if we've clipped the endpoint, always draw the full length
-		 * of the segment, because then the capstyle doesn't matter 
-		 */
-		if (pt2_clipped)
-		    length++;
-
-		if (pt1_clipped)
-		{
-		    /* must calculate new error terms */
-		    clipdx = abs(new_x1 - x1);
-		    clipdy = abs(new_y1 - y1);
-		    e += (clipdx * e2) + ((clipdy - clipdx) * e1);
-		}
-	    }
-
-	    /* draw the segment */
-
-	    x = new_x1;
-	    y = new_y1;
-
-	    e3 = e2 - e1;
-	    e  = e - e1;
-
-	    while (length--)
-	    {
-		MI_OUTPUT_POINT(x, y);
-		e += e1;
-		if (e >= 0)
-		{
-		    x += signdx;
-		    e += e3;
-		}
-		y += signdy;
-	    }
-	}
-    }
-
-    /* only do the capnotlast check on the last segment
-     * and only if the endpoint wasn't clipped.  And then, if the last
-     * point is the same as the first point, do not draw it, unless the
-     * line is degenerate
-     */
-    if ( (! pt2_clipped) && (pGC->capStyle != CapNotLast) &&
-		(((xstart != x2) || (ystart != y2)) || (ppt == pptInit + 1)))
-    {
-	MI_OUTPUT_POINT(x, y);
-    }    
-
-    if (Nspans > 0)
-	(*pGC->ops->FillSpans)(pDraw, pGC, Nspans, pspanInit,
-			       pwidthInit, FALSE);
-
-    xfree(pwidthInit);
-    xfree(pspanInit);
-}
-
-void
-miZeroDashLine(
-            DrawablePtr dst,
-            GCPtr pgc,
-            int mode,
-            int nptInit,		/* number of points in polyline */
-            DDXPointRec *pptInit	/* points in the polyline */
-        )
-{
-    /* XXX kludge until real zero-width dash code is written */
-    pgc->lineWidth = 1;
-    miWideDash (dst, pgc, mode, nptInit, pptInit);
-    pgc->lineWidth = 0;
-}
+/***********************************************************

+

+Copyright 1987, 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.

+

+

+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.

+

+                        All Rights Reserved

+

+Permission to use, copy, modify, and distribute this software and its 

+documentation for any purpose and without fee is hereby granted, 

+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 Digital not be

+used in advertising or publicity pertaining to distribution of the

+software without specific, written prior permission.  

+

+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING

+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL

+DIGITAL 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 <X11/X.h>

+

+#include "misc.h"

+#include "scrnintstr.h"

+#include "gcstruct.h"

+#include "windowstr.h"

+#include "pixmap.h"

+#include "mi.h"

+#include "miline.h"

+

+/* Draw lineSolid, fillStyle-independent zero width lines.

+ *

+ * Must keep X and Y coordinates in "ints" at least until after they're

+ * translated and clipped to accomodate CoordModePrevious lines with very

+ * large coordinates.

+ *

+ * Draws the same pixels regardless of sign(dx) or sign(dy).

+ *

+ * Ken Whaley

+ *

+ */

+

+/* largest positive value that can fit into a component of a point.

+ * Assumes that the point structure is {type x, y;} where type is

+ * a signed type.

+ */

+#define MAX_COORDINATE ((1 << (((sizeof(DDXPointRec) >> 1) << 3) - 1)) - 1)

+

+#define MI_OUTPUT_POINT(xx, yy)\

+{\

+    if ( !new_span && yy == current_y)\

+    {\

+        if (xx < spans->x)\

+	    spans->x = xx;\

+	++*widths;\

+    }\

+    else\

+    {\

+        ++Nspans;\

+	++spans;\

+	++widths;\

+	spans->x = xx;\

+	spans->y = yy;\

+	*widths = 1;\

+	current_y = yy;\

+        new_span = FALSE;\

+    }\

+}

+

+void

+miZeroLine(

+    DrawablePtr pDraw,

+    GCPtr	pGC,

+    int		mode,		/* Origin or Previous */

+    int		npt,		/* number of points */

+    DDXPointPtr pptInit)

+{

+    int Nspans, current_y = 0;

+    DDXPointPtr ppt; 

+    DDXPointPtr pspanInit, spans;

+    int *pwidthInit, *widths, list_len;

+    int xleft, ytop, xright, ybottom;

+    int new_x1, new_y1, new_x2, new_y2;

+    int x = 0, y = 0, x1, y1, x2, y2, xstart, ystart;

+    int oc1, oc2;

+    int result;

+    int pt1_clipped, pt2_clipped = 0;

+    Bool new_span;

+    int signdx, signdy;

+    int clipdx, clipdy;

+    int width, height;

+    int adx, ady;

+    int octant;

+    unsigned int bias = miGetZeroLineBias(pDraw->pScreen);

+    int e, e1, e2, e3;	/* Bresenham error terms */

+    int length;		/* length of lines == # of pixels on major axis */

+

+    xleft   = pDraw->x;

+    ytop    = pDraw->y;

+    xright  = pDraw->x + pDraw->width - 1;

+    ybottom = pDraw->y + pDraw->height - 1;

+

+    if (!pGC->miTranslate)

+    {

+	/* do everything in drawable-relative coordinates */

+	xleft    = 0;

+	ytop     = 0;

+	xright  -= pDraw->x;

+	ybottom -= pDraw->y;

+    }

+

+    /* it doesn't matter whether we're in drawable or screen coordinates,

+     * FillSpans simply cannot take starting coordinates outside of the

+     * range of a DDXPointRec component.

+     */

+    if (xright > MAX_COORDINATE)

+	xright = MAX_COORDINATE;

+    if (ybottom > MAX_COORDINATE)

+	ybottom = MAX_COORDINATE;

+

+    /* since we're clipping to the drawable's boundaries & coordinate

+     * space boundaries, we're guaranteed that the larger of width/height

+     * is the longest span we'll need to output

+     */

+    width = xright - xleft + 1;

+    height = ybottom - ytop + 1;

+    list_len = (height >= width) ? height : width;

+    pspanInit = malloc(list_len * sizeof(DDXPointRec));

+    pwidthInit = malloc(list_len * sizeof(int));

+    if (!pspanInit || !pwidthInit)

+	return;

+

+    Nspans = 0;

+    new_span = TRUE;

+    spans  = pspanInit - 1;

+    widths = pwidthInit - 1;

+    ppt = pptInit;

+

+    xstart = ppt->x;

+    ystart = ppt->y;

+    if (pGC->miTranslate)

+    {

+	xstart += pDraw->x;

+	ystart += pDraw->y;

+    }

+    

+    /* x2, y2, oc2 copied to x1, y1, oc1 at top of loop to simplify

+     * iteration logic

+     */

+    x2 = xstart;

+    y2 = ystart;

+    oc2 = 0;

+    MIOUTCODES(oc2, x2, y2, xleft, ytop, xright, ybottom);

+

+    while (--npt > 0)

+    {

+	if (Nspans > 0)

+	    (*pGC->ops->FillSpans)(pDraw, pGC, Nspans, pspanInit,

+				   pwidthInit, FALSE);

+	Nspans = 0;

+	new_span = TRUE;

+	spans  = pspanInit - 1;

+	widths = pwidthInit - 1;

+

+	x1  = x2;

+	y1  = y2;

+	oc1 = oc2;

+	++ppt;

+

+	x2 = ppt->x;

+	y2 = ppt->y;

+	if (pGC->miTranslate && (mode != CoordModePrevious))

+	{

+	    x2 += pDraw->x;

+	    y2 += pDraw->y;

+	}

+	else if (mode == CoordModePrevious)

+	{

+	    x2 += x1;

+	    y2 += y1;

+	}

+

+	oc2 = 0;

+	MIOUTCODES(oc2, x2, y2, xleft, ytop, xright, ybottom);

+

+	CalcLineDeltas(x1, y1, x2, y2, adx, ady, signdx, signdy, 1, 1, octant);

+

+	if (adx > ady)

+	{

+	    e1 = ady << 1;

+	    e2 = e1 - (adx << 1);

+	    e  = e1 - adx;

+	    length  = adx;	/* don't draw endpoint in main loop */

+

+	    FIXUP_ERROR(e, octant, bias);

+

+	    new_x1 = x1;

+	    new_y1 = y1;

+	    new_x2 = x2;

+	    new_y2 = y2;

+	    pt1_clipped = 0;

+	    pt2_clipped = 0;

+

+	    if ((oc1 | oc2) != 0)

+	    {

+		result = miZeroClipLine(xleft, ytop, xright, ybottom,

+					&new_x1, &new_y1, &new_x2, &new_y2,

+					adx, ady,

+					&pt1_clipped, &pt2_clipped,

+					octant, bias, oc1, oc2);

+		if (result == -1)

+		    continue;

+

+		length = abs(new_x2 - new_x1);

+

+		/* if we've clipped the endpoint, always draw the full length

+		 * of the segment, because then the capstyle doesn't matter 

+		 */

+		if (pt2_clipped)

+		    length++;

+

+		if (pt1_clipped)

+		{

+		    /* must calculate new error terms */

+		    clipdx = abs(new_x1 - x1);

+		    clipdy = abs(new_y1 - y1);

+		    e += (clipdy * e2) + ((clipdx - clipdy) * e1);

+		}

+	    }

+

+	    /* draw the segment */

+

+	    x = new_x1;

+	    y = new_y1;

+	    

+	    e3 = e2 - e1;

+	    e  = e - e1;

+

+	    while (length--)

+	    {

+		MI_OUTPUT_POINT(x, y);

+		e += e1;

+		if (e >= 0)

+		{

+		    y += signdy;

+		    e += e3;

+		}

+		x += signdx;

+	    }

+	}

+	else    /* Y major line */

+	{

+	    e1 = adx << 1;

+	    e2 = e1 - (ady << 1);

+	    e  = e1 - ady;

+	    length  = ady;	/* don't draw endpoint in main loop */

+

+	    SetYMajorOctant(octant);

+	    FIXUP_ERROR(e, octant, bias);

+

+	    new_x1 = x1;

+	    new_y1 = y1;

+	    new_x2 = x2;

+	    new_y2 = y2;

+	    pt1_clipped = 0;

+	    pt2_clipped = 0;

+

+	    if ((oc1 | oc2) != 0)

+	    {

+		result = miZeroClipLine(xleft, ytop, xright, ybottom,

+					&new_x1, &new_y1, &new_x2, &new_y2,

+					adx, ady,

+					&pt1_clipped, &pt2_clipped,

+					octant, bias, oc1, oc2);

+		if (result == -1)

+		    continue;

+

+		length = abs(new_y2 - new_y1);

+

+		/* if we've clipped the endpoint, always draw the full length

+		 * of the segment, because then the capstyle doesn't matter 

+		 */

+		if (pt2_clipped)

+		    length++;

+

+		if (pt1_clipped)

+		{

+		    /* must calculate new error terms */

+		    clipdx = abs(new_x1 - x1);

+		    clipdy = abs(new_y1 - y1);

+		    e += (clipdx * e2) + ((clipdy - clipdx) * e1);

+		}

+	    }

+

+	    /* draw the segment */

+

+	    x = new_x1;

+	    y = new_y1;

+

+	    e3 = e2 - e1;

+	    e  = e - e1;

+

+	    while (length--)

+	    {

+		MI_OUTPUT_POINT(x, y);

+		e += e1;

+		if (e >= 0)

+		{

+		    x += signdx;

+		    e += e3;

+		}

+		y += signdy;

+	    }

+	}

+    }

+

+    /* only do the capnotlast check on the last segment

+     * and only if the endpoint wasn't clipped.  And then, if the last

+     * point is the same as the first point, do not draw it, unless the

+     * line is degenerate

+     */

+    if ( (! pt2_clipped) && (pGC->capStyle != CapNotLast) &&

+		(((xstart != x2) || (ystart != y2)) || (ppt == pptInit + 1)))

+    {

+	MI_OUTPUT_POINT(x, y);

+    }    

+

+    if (Nspans > 0)

+	(*pGC->ops->FillSpans)(pDraw, pGC, Nspans, pspanInit,

+			       pwidthInit, FALSE);

+

+    free(pwidthInit);

+    free(pspanInit);

+}

+

+void

+miZeroDashLine(

+            DrawablePtr dst,

+            GCPtr pgc,

+            int mode,

+            int nptInit,		/* number of points in polyline */

+            DDXPointRec *pptInit	/* points in the polyline */

+        )

+{

+    /* XXX kludge until real zero-width dash code is written */

+    pgc->lineWidth = 1;

+    miWideDash (dst, pgc, mode, nptInit, pptInit);

+    pgc->lineWidth = 0;

+}