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, 817 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/mi/mifillarc.c b/nx-X11/programs/Xserver/mi/mifillarc.c
new file mode 100644
index 000000000..0dcf25d05
--- /dev/null
+++ b/nx-X11/programs/Xserver/mi/mifillarc.c
@@ -0,0 +1,817 @@
+/* $XFree86: xc/programs/Xserver/mi/mifillarc.c,v 3.7 2001/12/14 20:00:22 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.
+
+Author:  Bob Scheifler, MIT X Consortium
+
+********************************************************/
+
+/* $Xorg: mifillarc.c,v 1.4 2001/02/09 02:05:20 xorgcvs Exp $ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <math.h>
+#include <X11/X.h>
+#include <X11/Xprotostr.h>
+#include "regionstr.h"
+#include "gcstruct.h"
+#include "pixmapstr.h"
+#include "mifpoly.h"
+#include "mi.h"
+#include "mifillarc.h"
+
+#define QUADRANT (90 * 64)
+#define HALFCIRCLE (180 * 64)
+#define QUADRANT3 (270 * 64)
+
+#ifndef M_PI
+#define M_PI	3.14159265358979323846
+#endif
+
+#define Dsin(d)	sin((double)d*(M_PI/11520.0))
+#define Dcos(d)	cos((double)d*(M_PI/11520.0))
+
+void
+miFillArcSetup(arc, info)
+    register xArc *arc;
+    register miFillArcRec *info;
+{
+    info->y = arc->height >> 1;
+    info->dy = arc->height & 1;
+    info->yorg = arc->y + info->y;
+    info->dx = arc->width & 1;
+    info->xorg = arc->x + (arc->width >> 1) + info->dx;
+    info->dx = 1 - info->dx;
+    if (arc->width == arc->height)
+    {
+	/* (2x - 2xorg)^2 = d^2 - (2y - 2yorg)^2 */
+	/* even: xorg = yorg = 0   odd:  xorg = .5, yorg = -.5 */
+	info->ym = 8;
+	info->xm = 8;
+	info->yk = info->y << 3;
+	if (!info->dx)
+	{
+	    info->xk = 0;
+	    info->e = -1;
+	}
+	else
+	{
+	    info->y++;
+	    info->yk += 4;
+	    info->xk = -4;
+	    info->e = - (info->y << 3);
+	}
+    }
+    else
+    {
+	/* h^2 * (2x - 2xorg)^2 = w^2 * h^2 - w^2 * (2y - 2yorg)^2 */
+	/* even: xorg = yorg = 0   odd:  xorg = .5, yorg = -.5 */
+	info->ym = (arc->width * arc->width) << 3;
+	info->xm = (arc->height * arc->height) << 3;
+	info->yk = info->y * info->ym;
+	if (!info->dy)
+	    info->yk -= info->ym >> 1;
+	if (!info->dx)
+	{
+	    info->xk = 0;
+	    info->e = - (info->xm >> 3);
+	}
+	else
+	{
+	    info->y++;
+	    info->yk += info->ym;
+	    info->xk = -(info->xm >> 1);
+	    info->e = info->xk - info->yk;
+	}
+    }
+}
+
+void
+miFillArcDSetup(arc, info)
+    register xArc *arc;
+    register miFillArcDRec *info;
+{
+    /* h^2 * (2x - 2xorg)^2 = w^2 * h^2 - w^2 * (2y - 2yorg)^2 */
+    /* even: xorg = yorg = 0   odd:  xorg = .5, yorg = -.5 */
+    info->y = arc->height >> 1;
+    info->dy = arc->height & 1;
+    info->yorg = arc->y + info->y;
+    info->dx = arc->width & 1;
+    info->xorg = arc->x + (arc->width >> 1) + info->dx;
+    info->dx = 1 - info->dx;
+    info->ym = ((double)arc->width) * (arc->width * 8);
+    info->xm = ((double)arc->height) * (arc->height * 8);
+    info->yk = info->y * info->ym;
+    if (!info->dy)
+	info->yk -= info->ym / 2.0;
+    if (!info->dx)
+    {
+	info->xk = 0;
+	info->e = - (info->xm / 8.0);
+    }
+    else
+    {
+	info->y++;
+	info->yk += info->ym;
+	info->xk = -info->xm / 2.0;
+	info->e = info->xk - info->yk;
+    }
+}
+
+static void
+miGetArcEdge(
+	     register xArc *arc,
+	     register miSliceEdgePtr edge,
+	     int k,
+	     Bool top, 
+	     Bool left )
+{
+    register int xady, y;
+
+    y = arc->height >> 1;
+    if (!(arc->width & 1))
+	y++;
+    if (!top)
+    {
+	y = -y;
+	if (arc->height & 1)
+	    y--;
+    }
+    xady = k + y * edge->dx;
+    if (xady <= 0)
+	edge->x = - ((-xady) / edge->dy + 1);
+    else
+	edge->x = (xady - 1) / edge->dy;
+    edge->e = xady - edge->x * edge->dy;
+    if ((top && (edge->dx < 0)) || (!top && (edge->dx > 0)))
+	edge->e = edge->dy - edge->e + 1;
+    if (left)
+	edge->x++;
+    edge->x += arc->x + (arc->width >> 1);
+    if (edge->dx > 0)
+    {
+	edge->deltax = 1;
+	edge->stepx = edge->dx / edge->dy;
+	edge->dx = edge->dx % edge->dy;
+    }
+    else
+    {
+	edge->deltax = -1;
+	edge->stepx = - ((-edge->dx) / edge->dy);
+	edge->dx = (-edge->dx) % edge->dy;
+    }
+    if (!top)
+    {
+	edge->deltax = -edge->deltax;
+	edge->stepx = -edge->stepx;
+    }
+}
+
+void
+miEllipseAngleToSlope (angle, width, height, dxp, dyp, d_dxp, d_dyp)
+    int	    angle;
+    int	    width;
+    int	    height;
+    int	    *dxp;
+    int	    *dyp;
+    double  *d_dxp;
+    double  *d_dyp;
+{
+    int	    dx, dy;
+    double  d_dx, d_dy, scale;
+    Bool    negative_dx, negative_dy;
+
+    switch (angle) {
+    case 0:
+	*dxp = -1;
+	*dyp = 0;
+	if (d_dxp) {
+	    *d_dxp = width / 2.0;
+	    *d_dyp = 0;
+	}
+	break;
+    case QUADRANT:
+	*dxp = 0;
+	*dyp = 1;
+	if (d_dxp) {
+	    *d_dxp = 0;
+	    *d_dyp = - height / 2.0;
+	}
+	break;
+    case HALFCIRCLE:
+	*dxp = 1;
+	*dyp = 0;
+	if (d_dxp) {
+	    *d_dxp = - width / 2.0;
+	    *d_dyp = 0;
+	}
+	break;
+    case QUADRANT3:
+	*dxp = 0;
+	*dyp = -1;
+	if (d_dxp) {
+	    *d_dxp = 0;
+	    *d_dyp = height / 2.0;
+	}
+	break;
+    default:
+	d_dx = Dcos(angle) * width;
+	d_dy = Dsin(angle) * height;
+	if (d_dxp) {
+	    *d_dxp = d_dx / 2.0;
+	    *d_dyp = - d_dy / 2.0;
+	}
+	negative_dx = FALSE;
+	if (d_dx < 0.0)
+	{
+	    d_dx = -d_dx;
+	    negative_dx = TRUE;
+	}
+	negative_dy = FALSE;
+	if (d_dy < 0.0)
+	{
+	    d_dy = -d_dy;
+	    negative_dy = TRUE;
+	}
+	scale = d_dx;
+	if (d_dy > d_dx)
+	    scale = d_dy;
+	dx = floor ((d_dx * 32768) / scale + 0.5);
+	if (negative_dx)
+	    dx = -dx;
+	*dxp = dx;
+	dy = floor ((d_dy * 32768) / scale + 0.5);
+	if (negative_dy)
+	    dy = -dy;
+	*dyp = dy;
+	break;
+    }
+}
+
+static void
+miGetPieEdge(
+	     register xArc *arc,
+	     register int angle,
+	     register miSliceEdgePtr edge,
+	     Bool top, 
+	     Bool left )
+{
+    register int k;
+    int	dx, dy;
+
+    miEllipseAngleToSlope (angle, arc->width, arc->height, &dx, &dy, 0, 0);
+
+    if (dy == 0)
+    {
+	edge->x = left ? -65536 : 65536;
+	edge->stepx = 0;
+	edge->e = 0;
+	edge->dx = -1;
+	return;
+    }
+    if (dx == 0)
+    {
+	edge->x = arc->x + (arc->width >> 1);
+	if (left && (arc->width & 1))
+	    edge->x++;
+	else if (!left && !(arc->width & 1))
+	    edge->x--;
+	edge->stepx = 0;
+	edge->e = 0;
+	edge->dx = -1;
+	return;
+    }
+    if (dy < 0) {
+	dx = -dx;
+	dy = -dy;
+    }
+    k = (arc->height & 1) ? dx : 0;
+    if (arc->width & 1)
+	k += dy;
+    edge->dx = dx << 1;
+    edge->dy = dy << 1;
+    miGetArcEdge(arc, edge, k, top, left);
+}
+
+void
+miFillArcSliceSetup(arc, slice, pGC)
+    register xArc *arc;
+    register miArcSliceRec *slice;
+    GCPtr pGC;
+{
+    register int angle1, angle2;
+
+    angle1 = arc->angle1;
+    if (arc->angle2 < 0)
+    {
+	angle2 = angle1;
+	angle1 += arc->angle2;
+    }
+    else
+	angle2 = angle1 + arc->angle2;
+    while (angle1 < 0)
+	angle1 += FULLCIRCLE;
+    while (angle1 >= FULLCIRCLE)
+	angle1 -= FULLCIRCLE;
+    while (angle2 < 0)
+	angle2 += FULLCIRCLE;
+    while (angle2 >= FULLCIRCLE)
+	angle2 -= FULLCIRCLE;
+    slice->min_top_y = 0;
+    slice->max_top_y = arc->height >> 1;
+    slice->min_bot_y = 1 - (arc->height & 1);
+    slice->max_bot_y = slice->max_top_y - 1;
+    slice->flip_top = FALSE;
+    slice->flip_bot = FALSE;
+    if (pGC->arcMode == ArcPieSlice)
+    {
+	slice->edge1_top = (angle1 < HALFCIRCLE);
+	slice->edge2_top = (angle2 <= HALFCIRCLE);
+	if ((angle2 == 0) || (angle1 == HALFCIRCLE))
+	{
+	    if (angle2 ? slice->edge2_top : slice->edge1_top)
+		slice->min_top_y = slice->min_bot_y;
+	    else
+		slice->min_top_y = arc->height;
+	    slice->min_bot_y = 0;
+	}
+	else if ((angle1 == 0) || (angle2 == HALFCIRCLE))
+	{
+	    slice->min_top_y = slice->min_bot_y;
+	    if (angle1 ? slice->edge1_top : slice->edge2_top)
+		slice->min_bot_y = arc->height;
+	    else
+		slice->min_bot_y = 0;
+	}
+	else if (slice->edge1_top == slice->edge2_top)
+	{
+	    if (angle2 < angle1)
+	    {
+		slice->flip_top = slice->edge1_top;
+		slice->flip_bot = !slice->edge1_top;
+	    }
+	    else if (slice->edge1_top)
+	    {
+		slice->min_top_y = 1;
+		slice->min_bot_y = arc->height;
+	    }
+	    else
+	    {
+		slice->min_bot_y = 0;
+		slice->min_top_y = arc->height;
+	    }
+	}
+	miGetPieEdge(arc, angle1, &slice->edge1,
+		     slice->edge1_top, !slice->edge1_top);
+	miGetPieEdge(arc, angle2, &slice->edge2,
+		     slice->edge2_top, slice->edge2_top);
+    }
+    else
+    {
+	double w2, h2, x1, y1, x2, y2, dx, dy, scale;
+	int signdx, signdy, y, k;
+	Bool isInt1 = TRUE, isInt2 = TRUE;
+
+	w2 = (double)arc->width / 2.0;
+	h2 = (double)arc->height / 2.0;
+	if ((angle1 == 0) || (angle1 == HALFCIRCLE))
+	{
+	    x1 = angle1 ? -w2 : w2;
+	    y1 = 0.0;
+	}
+	else if ((angle1 == QUADRANT) || (angle1 == QUADRANT3))
+	{
+	    x1 = 0.0;
+	    y1 = (angle1 == QUADRANT) ? h2 : -h2;
+	}
+	else
+	{
+	    isInt1 = FALSE;
+	    x1 = Dcos(angle1) * w2;
+	    y1 = Dsin(angle1) * h2;
+	}
+	if ((angle2 == 0) || (angle2 == HALFCIRCLE))
+	{
+	    x2 = angle2 ? -w2 : w2;
+	    y2 = 0.0;
+	}
+	else if ((angle2 == QUADRANT) || (angle2 == QUADRANT3))
+	{
+	    x2 = 0.0;
+	    y2 = (angle2 == QUADRANT) ? h2 : -h2;
+	}
+	else
+	{
+	    isInt2 = FALSE;
+	    x2 = Dcos(angle2) * w2;
+	    y2 = Dsin(angle2) * h2;
+	}
+	dx = x2 - x1;
+	dy = y2 - y1;
+	if (arc->height & 1)
+	{
+	    y1 -= 0.5;
+	    y2 -= 0.5;
+	}
+	if (arc->width & 1)
+	{
+	    x1 += 0.5;
+	    x2 += 0.5;
+	}
+	if (dy < 0.0)
+	{
+	    dy = -dy;
+	    signdy = -1;
+	}
+	else
+	    signdy = 1;
+	if (dx < 0.0)
+	{
+	    dx = -dx;
+	    signdx = -1;
+	}
+	else
+	    signdx = 1;
+	if (isInt1 && isInt2)
+	{
+	    slice->edge1.dx = dx * 2;
+	    slice->edge1.dy = dy * 2;
+	}
+	else
+	{
+	    scale = (dx > dy) ? dx : dy;
+	    slice->edge1.dx = floor((dx * 32768) / scale + .5);
+	    slice->edge1.dy = floor((dy * 32768) / scale + .5);
+	}
+	if (!slice->edge1.dy)
+	{
+	    if (signdx < 0)
+	    {
+		y = floor(y1 + 1.0);
+		if (y >= 0)
+		{
+		    slice->min_top_y = y;
+		    slice->min_bot_y = arc->height;
+		}
+		else
+		{
+		    slice->max_bot_y = -y - (arc->height & 1);
+		}
+	    }
+	    else
+	    {
+		y = floor(y1);
+		if (y >= 0)
+		    slice->max_top_y = y;
+		else
+		{
+		    slice->min_top_y = arc->height;
+		    slice->min_bot_y = -y - (arc->height & 1);
+		}
+	    }
+	    slice->edge1_top = TRUE;
+	    slice->edge1.x = 65536;
+	    slice->edge1.stepx = 0;
+	    slice->edge1.e = 0;
+	    slice->edge1.dx = -1;
+	    slice->edge2 = slice->edge1;
+	    slice->edge2_top = FALSE;
+	}
+	else if (!slice->edge1.dx)
+	{
+	    if (signdy < 0)
+		x1 -= 1.0;
+	    slice->edge1.x = ceil(x1);
+	    slice->edge1_top = signdy < 0;
+	    slice->edge1.x += arc->x + (arc->width >> 1);
+	    slice->edge1.stepx = 0;
+	    slice->edge1.e = 0;
+	    slice->edge1.dx = -1;
+	    slice->edge2_top = !slice->edge1_top;
+	    slice->edge2 = slice->edge1;
+	}
+	else
+	{
+	    if (signdx < 0)
+		slice->edge1.dx = -slice->edge1.dx;
+	    if (signdy < 0)
+		slice->edge1.dx = -slice->edge1.dx;
+	    k = ceil(((x1 + x2) * slice->edge1.dy - (y1 + y2) * slice->edge1.dx) / 2.0);
+	    slice->edge2.dx = slice->edge1.dx;
+	    slice->edge2.dy = slice->edge1.dy;
+	    slice->edge1_top = signdy < 0;
+	    slice->edge2_top = !slice->edge1_top;
+	    miGetArcEdge(arc, &slice->edge1, k,
+			 slice->edge1_top, !slice->edge1_top);
+	    miGetArcEdge(arc, &slice->edge2, k,
+			 slice->edge2_top, slice->edge2_top);
+	}
+    }
+}
+
+#define ADDSPANS() \
+    pts->x = xorg - x; \
+    pts->y = yorg - y; \
+    *wids = slw; \
+    pts++; \
+    wids++; \
+    if (miFillArcLower(slw)) \
+    { \
+	pts->x = xorg - x; \
+	pts->y = yorg + y + dy; \
+	pts++; \
+	*wids++ = slw; \
+    }
+
+static void
+miFillEllipseI(
+	       DrawablePtr pDraw,
+	       GCPtr pGC,
+	       xArc *arc )
+{
+    register int x, y, e;
+    int yk, xk, ym, xm, dx, dy, xorg, yorg;
+    int slw;
+    miFillArcRec info;
+    DDXPointPtr points;
+    register DDXPointPtr pts;
+    int *widths;
+    register int *wids;
+
+    points = (DDXPointPtr)ALLOCATE_LOCAL(sizeof(DDXPointRec) * arc->height);
+    if (!points)
+	return;
+    widths = (int *)ALLOCATE_LOCAL(sizeof(int) * arc->height);
+    if (!widths)
+    {
+	DEALLOCATE_LOCAL(points);
+	return;
+    }
+    miFillArcSetup(arc, &info);
+    MIFILLARCSETUP();
+    if (pGC->miTranslate)
+    {
+	xorg += pDraw->x;
+	yorg += pDraw->y;
+    }
+    pts = points;
+    wids = widths;
+    while (y > 0)
+    {
+	MIFILLARCSTEP(slw);
+	ADDSPANS();
+    }
+    (*pGC->ops->FillSpans)(pDraw, pGC, pts - points, points, widths, FALSE);
+    DEALLOCATE_LOCAL(widths);
+    DEALLOCATE_LOCAL(points);
+}
+
+static void
+miFillEllipseD(
+	       DrawablePtr pDraw,
+	       GCPtr pGC,
+	       xArc *arc )
+{
+    register int x, y;
+    int xorg, yorg, dx, dy, slw;
+    double e, yk, xk, ym, xm;
+    miFillArcDRec info;
+    DDXPointPtr points;
+    register DDXPointPtr pts;
+    int *widths;
+    register int *wids;
+
+    points = (DDXPointPtr)ALLOCATE_LOCAL(sizeof(DDXPointRec) * arc->height);
+    if (!points)
+	return;
+    widths = (int *)ALLOCATE_LOCAL(sizeof(int) * arc->height);
+    if (!widths)
+    {
+	DEALLOCATE_LOCAL(points);
+	return;
+    }
+    miFillArcDSetup(arc, &info);
+    MIFILLARCSETUP();
+    if (pGC->miTranslate)
+    {
+	xorg += pDraw->x;
+	yorg += pDraw->y;
+    }
+    pts = points;
+    wids = widths;
+    while (y > 0)
+    {
+	MIFILLARCSTEP(slw);
+	ADDSPANS();
+    }
+    (*pGC->ops->FillSpans)(pDraw, pGC, pts - points, points, widths, FALSE);
+    DEALLOCATE_LOCAL(widths);
+    DEALLOCATE_LOCAL(points);
+}
+
+#define ADDSPAN(l,r) \
+    if (r >= l) \
+    { \
+	pts->x = l; \
+	pts->y = ya; \
+	pts++; \
+	*wids++ = r - l + 1; \
+    }
+
+#define ADDSLICESPANS(flip) \
+    if (!flip) \
+    { \
+	ADDSPAN(xl, xr); \
+    } \
+    else \
+    { \
+	xc = xorg - x; \
+	ADDSPAN(xc, xr); \
+	xc += slw - 1; \
+	ADDSPAN(xl, xc); \
+    }
+
+static void
+miFillArcSliceI(
+		DrawablePtr pDraw,
+		GCPtr pGC,
+		xArc *arc )
+{
+    int yk, xk, ym, xm, dx, dy, xorg, yorg, slw;
+    register int x, y, e;
+    miFillArcRec info;
+    miArcSliceRec slice;
+    int ya, xl, xr, xc;
+    DDXPointPtr points;
+    register DDXPointPtr pts;
+    int *widths;
+    register int *wids;
+
+    miFillArcSetup(arc, &info);
+    miFillArcSliceSetup(arc, &slice, pGC);
+    MIFILLARCSETUP();
+    slw = arc->height;
+    if (slice.flip_top || slice.flip_bot)
+	slw += (arc->height >> 1) + 1;
+    points = (DDXPointPtr)ALLOCATE_LOCAL(sizeof(DDXPointRec) * slw);
+    if (!points)
+	return;
+    widths = (int *)ALLOCATE_LOCAL(sizeof(int) * slw);
+    if (!widths)
+    {
+	DEALLOCATE_LOCAL(points);
+	return;
+    }
+    if (pGC->miTranslate)
+    {
+	xorg += pDraw->x;
+	yorg += pDraw->y;
+	slice.edge1.x += pDraw->x;
+	slice.edge2.x += pDraw->x;
+    }
+    pts = points;
+    wids = widths;
+    while (y > 0)
+    {
+	MIFILLARCSTEP(slw);
+	MIARCSLICESTEP(slice.edge1);
+	MIARCSLICESTEP(slice.edge2);
+	if (miFillSliceUpper(slice))
+	{
+	    ya = yorg - y;
+	    MIARCSLICEUPPER(xl, xr, slice, slw);
+	    ADDSLICESPANS(slice.flip_top);
+	}
+	if (miFillSliceLower(slice))
+	{
+	    ya = yorg + y + dy;
+	    MIARCSLICELOWER(xl, xr, slice, slw);
+	    ADDSLICESPANS(slice.flip_bot);
+	}
+    }
+    (*pGC->ops->FillSpans)(pDraw, pGC, pts - points, points, widths, FALSE);
+    DEALLOCATE_LOCAL(widths);
+    DEALLOCATE_LOCAL(points);
+}
+
+static void
+miFillArcSliceD(
+		DrawablePtr pDraw,
+		GCPtr pGC,
+		xArc *arc )
+{
+    register int x, y;
+    int dx, dy, xorg, yorg, slw;
+    double e, yk, xk, ym, xm;
+    miFillArcDRec info;
+    miArcSliceRec slice;
+    int ya, xl, xr, xc;
+    DDXPointPtr points;
+    register DDXPointPtr pts;
+    int *widths;
+    register int *wids;
+
+    miFillArcDSetup(arc, &info);
+    miFillArcSliceSetup(arc, &slice, pGC);
+    MIFILLARCSETUP();
+    slw = arc->height;
+    if (slice.flip_top || slice.flip_bot)
+	slw += (arc->height >> 1) + 1;
+    points = (DDXPointPtr)ALLOCATE_LOCAL(sizeof(DDXPointRec) * slw);
+    if (!points)
+	return;
+    widths = (int *)ALLOCATE_LOCAL(sizeof(int) * slw);
+    if (!widths)
+    {
+	DEALLOCATE_LOCAL(points);
+	return;
+    }
+    if (pGC->miTranslate)
+    {
+	xorg += pDraw->x;
+	yorg += pDraw->y;
+	slice.edge1.x += pDraw->x;
+	slice.edge2.x += pDraw->x;
+    }
+    pts = points;
+    wids = widths;
+    while (y > 0)
+    {
+	MIFILLARCSTEP(slw);
+	MIARCSLICESTEP(slice.edge1);
+	MIARCSLICESTEP(slice.edge2);
+	if (miFillSliceUpper(slice))
+	{
+	    ya = yorg - y;
+	    MIARCSLICEUPPER(xl, xr, slice, slw);
+	    ADDSLICESPANS(slice.flip_top);
+	}
+	if (miFillSliceLower(slice))
+	{
+	    ya = yorg + y + dy;
+	    MIARCSLICELOWER(xl, xr, slice, slw);
+	    ADDSLICESPANS(slice.flip_bot);
+	}
+    }
+    (*pGC->ops->FillSpans)(pDraw, pGC, pts - points, points, widths, FALSE);
+    DEALLOCATE_LOCAL(widths);
+    DEALLOCATE_LOCAL(points);
+}
+
+/* MIPOLYFILLARC -- The public entry for the PolyFillArc request.
+ * Since we don't have to worry about overlapping segments, we can just
+ * fill each arc as it comes.
+ */
+void
+miPolyFillArc(pDraw, pGC, narcs, parcs)
+    DrawablePtr	pDraw;
+    GCPtr	pGC;
+    int		narcs;
+    xArc	*parcs;
+{
+    register int i;
+    register xArc *arc;
+
+    for(i = narcs, arc = parcs; --i >= 0; arc++)
+    {
+	if (miFillArcEmpty(arc))
+	    continue;;
+	if ((arc->angle2 >= FULLCIRCLE) || (arc->angle2 <= -FULLCIRCLE))
+	{
+	    if (miCanFillArc(arc))
+		miFillEllipseI(pDraw, pGC, arc);
+	    else
+		miFillEllipseD(pDraw, pGC, arc);
+	}
+	else
+	{
+	    if (miCanFillArc(arc))
+		miFillArcSliceI(pDraw, pGC, arc);
+	    else
+		miFillArcSliceD(pDraw, pGC, arc);
+	}
+    }
+}