1 files changed, 479 insertions, 574 deletions

diff --git a/fb/fbseg.c b/fb/fbseg.c
index 5a458fe51..0e4e0a9f7 100644
--- a/fb/fbseg.c
+++ b/fb/fbseg.c
@@ -34,477 +34,398 @@
 					 FbStipRight(mask,bpp)))
 
 void
-fbBresSolid (DrawablePtr    pDrawable,
-	     GCPtr	    pGC,
-	     int	    dashOffset,
-	     int	    signdx,
-	     int	    signdy,
-	     int	    axis,
-	     int	    x1,
-	     int	    y1,
-	     int	    e,
-	     int	    e1,
-	     int	    e3,
-	     int	    len)
+fbBresSolid(DrawablePtr pDrawable,
+            GCPtr pGC,
+            int dashOffset,
+            int signdx,
+            int signdy,
+            int axis, int x1, int y1, int e, int e1, int e3, int len)
 {
-    FbStip	*dst;
-    FbStride	dstStride;
-    int		dstBpp;
-    int		dstXoff, dstYoff;
-    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);
-    FbStip	and = (FbStip) pPriv->and;
-    FbStip	xor = (FbStip) pPriv->xor;
-    FbStip	mask, mask0;
-    FbStip	bits;
-    
-    fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
+    FbStip *dst;
+    FbStride dstStride;
+    int dstBpp;
+    int dstXoff, dstYoff;
+    FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
+    FbStip and = (FbStip) pPriv->and;
+    FbStip xor = (FbStip) pPriv->xor;
+    FbStip mask, mask0;
+    FbStip bits;
+
+    fbGetStipDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
     dst += ((y1 + dstYoff) * dstStride);
     x1 = (x1 + dstXoff) * dstBpp;
     dst += x1 >> FB_STIP_SHIFT;
     x1 &= FB_STIP_MASK;
     mask0 = FbStipMask(0, dstBpp);
-    mask = FbStipRight (mask0, x1);
+    mask = FbStipRight(mask0, x1);
     if (signdx < 0)
-	mask0 = FbStipRight (mask0, FB_STIP_UNIT - dstBpp);
+        mask0 = FbStipRight(mask0, FB_STIP_UNIT - dstBpp);
     if (signdy < 0)
-	dstStride = -dstStride;
-    if (axis == X_AXIS)
-    {
-	bits = 0;
-	while (len--)
-	{
-	    bits |= mask;
-	    mask = fbBresShiftMask(mask,signdx,dstBpp);
-	    if (!mask)
-	    {
-		WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits));
-		bits = 0;
-		dst += signdx;
-		mask = mask0;
-	    }
-	    e += e1;
-	    if (e >= 0)
-	    {
-		WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits));
-		bits = 0;
-		dst += dstStride;
-		e += e3;
-	    }
-	}
-	if (bits)
-	    WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, bits));
+        dstStride = -dstStride;
+    if (axis == X_AXIS) {
+        bits = 0;
+        while (len--) {
+            bits |= mask;
+            mask = fbBresShiftMask(mask, signdx, dstBpp);
+            if (!mask) {
+                WRITE(dst, FbDoMaskRRop(READ(dst), and, xor, bits));
+                bits = 0;
+                dst += signdx;
+                mask = mask0;
+            }
+            e += e1;
+            if (e >= 0) {
+                WRITE(dst, FbDoMaskRRop(READ(dst), and, xor, bits));
+                bits = 0;
+                dst += dstStride;
+                e += e3;
+            }
+        }
+        if (bits)
+            WRITE(dst, FbDoMaskRRop(READ(dst), and, xor, bits));
     }
-    else
-    {
-	while (len--)
-	{
-	    WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, mask));
-	    dst += dstStride;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		mask = fbBresShiftMask(mask,signdx,dstBpp);
-		if (!mask)
-		{
-		    dst += signdx;
-		    mask = mask0;
-		}
-	    }
-	}
+    else {
+        while (len--) {
+            WRITE(dst, FbDoMaskRRop(READ(dst), and, xor, mask));
+            dst += dstStride;
+            e += e1;
+            if (e >= 0) {
+                e += e3;
+                mask = fbBresShiftMask(mask, signdx, dstBpp);
+                if (!mask) {
+                    dst += signdx;
+                    mask = mask0;
+                }
+            }
+        }
     }
 
-    fbFinishAccess (pDrawable);
+    fbFinishAccess(pDrawable);
 }
 
 void
-fbBresDash (DrawablePtr	pDrawable,
-	    GCPtr	pGC,
-	    int		dashOffset,
-	    int		signdx,
-	    int		signdy,
-	    int		axis,
-	    int		x1,
-	    int		y1,
-	    int		e,
-	    int		e1,
-	    int		e3,
-	    int		len)
+fbBresDash(DrawablePtr pDrawable,
+           GCPtr pGC,
+           int dashOffset,
+           int signdx,
+           int signdy, int axis, int x1, int y1, int e, int e1, int e3, int len)
 {
-    FbStip	*dst;
-    FbStride	dstStride;
-    int		dstBpp;
-    int		dstXoff, dstYoff;
-    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);
-    FbStip	and = (FbStip) pPriv->and;
-    FbStip	xor = (FbStip) pPriv->xor;
-    FbStip	bgand = (FbStip) pPriv->bgand;
-    FbStip	bgxor = (FbStip) pPriv->bgxor;
-    FbStip	mask, mask0;
+    FbStip *dst;
+    FbStride dstStride;
+    int dstBpp;
+    int dstXoff, dstYoff;
+    FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
+    FbStip and = (FbStip) pPriv->and;
+    FbStip xor = (FbStip) pPriv->xor;
+    FbStip bgand = (FbStip) pPriv->bgand;
+    FbStip bgxor = (FbStip) pPriv->bgxor;
+    FbStip mask, mask0;
+
     FbDashDeclare;
-    int		dashlen;
-    Bool	even;
-    Bool	doOdd;
-    
-    fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
+    int dashlen;
+    Bool even;
+    Bool doOdd;
+
+    fbGetStipDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
     doOdd = pGC->lineStyle == LineDoubleDash;
 
-    FbDashInit (pGC, pPriv, dashOffset, dashlen, even);
-    
+    FbDashInit(pGC, pPriv, dashOffset, dashlen, even);
+
     dst += ((y1 + dstYoff) * dstStride);
     x1 = (x1 + dstXoff) * dstBpp;
     dst += x1 >> FB_STIP_SHIFT;
     x1 &= FB_STIP_MASK;
     mask0 = FbStipMask(0, dstBpp);
-    mask = FbStipRight (mask0, x1);
+    mask = FbStipRight(mask0, x1);
     if (signdx < 0)
-	mask0 = FbStipRight (mask0, FB_STIP_UNIT - dstBpp);
+        mask0 = FbStipRight(mask0, FB_STIP_UNIT - dstBpp);
     if (signdy < 0)
-	dstStride = -dstStride;
-    while (len--)
-    {
-	if (even)
-	    WRITE(dst, FbDoMaskRRop (READ(dst), and, xor, mask));
-	else if (doOdd)
-	    WRITE(dst, FbDoMaskRRop (READ(dst), bgand, bgxor, mask));
-	if (axis == X_AXIS)
-	{
-	    mask = fbBresShiftMask(mask,signdx,dstBpp);
-	    if (!mask)
-	    {
-		dst += signdx;
-		mask = mask0;
-	    }
-	    e += e1;
-	    if (e >= 0)
-	    {
-		dst += dstStride;
-		e += e3;
-	    }
-	}
-	else
-	{
-	    dst += dstStride;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		mask = fbBresShiftMask(mask,signdx,dstBpp);
-		if (!mask)
-		{
-		    dst += signdx;
-		    mask = mask0;
-		}
-	    }
-	}
-	FbDashStep (dashlen, even);
+        dstStride = -dstStride;
+    while (len--) {
+        if (even)
+            WRITE(dst, FbDoMaskRRop(READ(dst), and, xor, mask));
+        else if (doOdd)
+            WRITE(dst, FbDoMaskRRop(READ(dst), bgand, bgxor, mask));
+        if (axis == X_AXIS) {
+            mask = fbBresShiftMask(mask, signdx, dstBpp);
+            if (!mask) {
+                dst += signdx;
+                mask = mask0;
+            }
+            e += e1;
+            if (e >= 0) {
+                dst += dstStride;
+                e += e3;
+            }
+        }
+        else {
+            dst += dstStride;
+            e += e1;
+            if (e >= 0) {
+                e += e3;
+                mask = fbBresShiftMask(mask, signdx, dstBpp);
+                if (!mask) {
+                    dst += signdx;
+                    mask = mask0;
+                }
+            }
+        }
+        FbDashStep(dashlen, even);
     }
 
-    fbFinishAccess (pDrawable);
+    fbFinishAccess(pDrawable);
 }
 
 void
-fbBresFill (DrawablePtr	pDrawable,
-	    GCPtr	pGC,
-	    int		dashOffset,
-	    int		signdx,
-	    int		signdy,
-	    int		axis,
-	    int		x1,
-	    int		y1,
-	    int		e,
-	    int		e1,
-	    int		e3,
-	    int		len)
+fbBresFill(DrawablePtr pDrawable,
+           GCPtr pGC,
+           int dashOffset,
+           int signdx,
+           int signdy, int axis, int x1, int y1, int e, int e1, int e3, int len)
 {
-    while (len--)
-    {
-	fbFill (pDrawable, pGC, x1, y1, 1, 1);
-	if (axis == X_AXIS)
-	{
-	    x1 += signdx;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		y1 += signdy;
-	    }
-	}
-	else
-	{
-	    y1 += signdy;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		x1 += signdx;
-	    }
-	}
+    while (len--) {
+        fbFill(pDrawable, pGC, x1, y1, 1, 1);
+        if (axis == X_AXIS) {
+            x1 += signdx;
+            e += e1;
+            if (e >= 0) {
+                e += e3;
+                y1 += signdy;
+            }
+        }
+        else {
+            y1 += signdy;
+            e += e1;
+            if (e >= 0) {
+                e += e3;
+                x1 += signdx;
+            }
+        }
     }
 }
 
 static void
-fbSetFg (DrawablePtr	pDrawable,
-	 GCPtr		pGC,
-	 Pixel		fg)
+fbSetFg(DrawablePtr pDrawable, GCPtr pGC, Pixel fg)
 {
-    if (fg != pGC->fgPixel)
-    {
-	ChangeGCVal val;
-	val.val = fg;
-	ChangeGC (NullClient, pGC, GCForeground, &val);
-	ValidateGC (pDrawable, pGC);
+    if (fg != pGC->fgPixel) {
+        ChangeGCVal val;
+
+        val.val = fg;
+        ChangeGC(NullClient, pGC, GCForeground, &val);
+        ValidateGC(pDrawable, pGC);
     }
 }
 
 void
-fbBresFillDash (DrawablePtr pDrawable,
-		GCPtr	    pGC,
-		int	    dashOffset,
-		int	    signdx,
-		int	    signdy,
-		int	    axis,
-		int	    x1,
-		int	    y1,
-		int	    e,
-		int	    e1,
-		int	    e3,
-		int	    len)
+fbBresFillDash(DrawablePtr pDrawable,
+               GCPtr pGC,
+               int dashOffset,
+               int signdx,
+               int signdy,
+               int axis, int x1, int y1, int e, int e1, int e3, int len)
 {
-    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);
+    FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
+
     FbDashDeclare;
-    int		dashlen;
-    Bool	even;
-    Bool	doOdd;
-    Bool	doBg;
-    Pixel	fg, bg;
-    
+    int dashlen;
+    Bool even;
+    Bool doOdd;
+    Bool doBg;
+    Pixel fg, bg;
+
     fg = pGC->fgPixel;
     bg = pGC->bgPixel;
-    
+
     /* whether to fill the odd dashes */
     doOdd = pGC->lineStyle == LineDoubleDash;
     /* whether to switch fg to bg when filling odd dashes */
-    doBg = doOdd && (pGC->fillStyle == FillSolid || 
-		     pGC->fillStyle == FillStippled);
-    
+    doBg = doOdd && (pGC->fillStyle == FillSolid ||
+                     pGC->fillStyle == FillStippled);
+
     /* compute current dash position */
-    FbDashInit (pGC, pPriv, dashOffset, dashlen, even);
-    
-    while (len--)
-    {
-	if (even || doOdd)
-	{
-	    if (doBg)
-	    {
-		if (even)
-		    fbSetFg (pDrawable, pGC, fg);
-		else
-		    fbSetFg (pDrawable, pGC, bg);
-	    }
-	    fbFill (pDrawable, pGC, x1, y1, 1, 1);
-	}
-	if (axis == X_AXIS)
-	{
-	    x1 += signdx;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		y1 += signdy;
-	    }
-	}
-	else
-	{
-	    y1 += signdy;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		x1 += signdx;
-	    }
-	}
-	FbDashStep (dashlen, even);
+    FbDashInit(pGC, pPriv, dashOffset, dashlen, even);
+
+    while (len--) {
+        if (even || doOdd) {
+            if (doBg) {
+                if (even)
+                    fbSetFg(pDrawable, pGC, fg);
+                else
+                    fbSetFg(pDrawable, pGC, bg);
+            }
+            fbFill(pDrawable, pGC, x1, y1, 1, 1);
+        }
+        if (axis == X_AXIS) {
+            x1 += signdx;
+            e += e1;
+            if (e >= 0) {
+                e += e3;
+                y1 += signdy;
+            }
+        }
+        else {
+            y1 += signdy;
+            e += e1;
+            if (e >= 0) {
+                e += e3;
+                x1 += signdx;
+            }
+        }
+        FbDashStep(dashlen, even);
     }
     if (doBg)
-	fbSetFg (pDrawable, pGC, fg);
+        fbSetFg(pDrawable, pGC, fg);
 }
 
 static void
-fbBresSolid24RRop (DrawablePtr  pDrawable,
-		   GCPtr	pGC,
-		   int		dashOffset,
-		   int		signdx,
-		   int		signdy,
-		   int		axis,
-		   int		x1,
-		   int		y1,
-		   int		e,
-		   int		e1,
-		   int		e3,
-		   int		len)
+fbBresSolid24RRop(DrawablePtr pDrawable,
+                  GCPtr pGC,
+                  int dashOffset,
+                  int signdx,
+                  int signdy,
+                  int axis, int x1, int y1, int e, int e1, int e3, int len)
 {
-    FbStip	*dst;
-    FbStride	dstStride;
-    int		dstBpp;
-    int		dstXoff, dstYoff;
-    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);
-    FbStip	and = pPriv->and;
-    FbStip	xor = pPriv->xor;
-    FbStip	leftMask, rightMask;
-    int		nl;
-    FbStip	*d;
-    int		x;
-    int		rot;
-    FbStip	andT, xorT;
-    
-    fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
+    FbStip *dst;
+    FbStride dstStride;
+    int dstBpp;
+    int dstXoff, dstYoff;
+    FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
+    FbStip and = pPriv->and;
+    FbStip xor = pPriv->xor;
+    FbStip leftMask, rightMask;
+    int nl;
+    FbStip *d;
+    int x;
+    int rot;
+    FbStip andT, xorT;
+
+    fbGetStipDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
     dst += ((y1 + dstYoff) * dstStride);
     x1 = (x1 + dstXoff) * 24;
     if (signdy < 0)
-	dstStride = -dstStride;
+        dstStride = -dstStride;
     signdx *= 24;
-    while (len--)
-    {
-	d = dst + (x1 >> FB_STIP_SHIFT);
-	x = x1 & FB_STIP_MASK;
-	rot = FbFirst24Rot (x);
-	andT = FbRot24Stip(and,rot);
-	xorT = FbRot24Stip(xor,rot);
-	FbMaskStip (x, 24, leftMask, nl, rightMask);
-	if (leftMask)
-	{
-	    WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, leftMask));
-	    d++;
-	    andT = FbNext24Stip (andT);
-	    xorT = FbNext24Stip (xorT);
-	}
-	if (rightMask)
-	    WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, rightMask));
-	if (axis == X_AXIS)
-	{
-	    x1 += signdx;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		dst += dstStride;
-	    }
-	}
-	else
-	{
-	    dst += dstStride;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		x1 += signdx;
-	    }
-	}
+    while (len--) {
+        d = dst + (x1 >> FB_STIP_SHIFT);
+        x = x1 & FB_STIP_MASK;
+        rot = FbFirst24Rot(x);
+        andT = FbRot24Stip(and, rot);
+        xorT = FbRot24Stip(xor, rot);
+        FbMaskStip(x, 24, leftMask, nl, rightMask);
+        if (leftMask) {
+            WRITE(d, FbDoMaskRRop(READ(d), andT, xorT, leftMask));
+            d++;
+            andT = FbNext24Stip(andT);
+            xorT = FbNext24Stip(xorT);
+        }
+        if (rightMask)
+            WRITE(d, FbDoMaskRRop(READ(d), andT, xorT, rightMask));
+        if (axis == X_AXIS) {
+            x1 += signdx;
+            e += e1;
+            if (e >= 0) {
+                e += e3;
+                dst += dstStride;
+            }
+        }
+        else {
+            dst += dstStride;
+            e += e1;
+            if (e >= 0) {
+                e += e3;
+                x1 += signdx;
+            }
+        }
     }
 
-    fbFinishAccess (pDrawable);
+    fbFinishAccess(pDrawable);
 }
 
 static void
-fbBresDash24RRop (DrawablePtr	pDrawable,
-		  GCPtr		pGC,
-		  int		dashOffset,
-		  int		signdx,
-		  int		signdy,
-		  int		axis,
-		  int		x1,
-		  int		y1,
-		  int		e,
-		  int		e1,
-		  int		e3,
-		  int		len)
+fbBresDash24RRop(DrawablePtr pDrawable,
+                 GCPtr pGC,
+                 int dashOffset,
+                 int signdx,
+                 int signdy,
+                 int axis, int x1, int y1, int e, int e1, int e3, int len)
 {
-    FbStip	*dst;
-    FbStride	dstStride;
-    int		dstBpp;
-    int		dstXoff, dstYoff;
-    FbGCPrivPtr	pPriv = fbGetGCPrivate (pGC);
-    FbStip	andT, xorT;
-    FbStip	fgand = pPriv->and;
-    FbStip	fgxor = pPriv->xor;
-    FbStip	bgand = pPriv->bgand;
-    FbStip	bgxor = pPriv->bgxor;
-    FbStip	leftMask, rightMask;
-    int		nl;
-    FbStip	*d;
-    int		x;
-    int		rot;
+    FbStip *dst;
+    FbStride dstStride;
+    int dstBpp;
+    int dstXoff, dstYoff;
+    FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
+    FbStip andT, xorT;
+    FbStip fgand = pPriv->and;
+    FbStip fgxor = pPriv->xor;
+    FbStip bgand = pPriv->bgand;
+    FbStip bgxor = pPriv->bgxor;
+    FbStip leftMask, rightMask;
+    int nl;
+    FbStip *d;
+    int x;
+    int rot;
+
     FbDashDeclare;
-    int		dashlen;
-    Bool	even;
-    Bool	doOdd;
-    
-    fbGetStipDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
+    int dashlen;
+    Bool even;
+    Bool doOdd;
+
+    fbGetStipDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
     doOdd = pGC->lineStyle == LineDoubleDash;
 
     /* compute current dash position */
     FbDashInit(pGC, pPriv, dashOffset, dashlen, even);
-    
+
     dst += ((y1 + dstYoff) * dstStride);
     x1 = (x1 + dstXoff) * 24;
     if (signdy < 0)
-	dstStride = -dstStride;
+        dstStride = -dstStride;
     signdx *= 24;
-    while (len--)
-    {
-	if (even || doOdd)
-	{
-	    if (even)
-	    {
-		andT = fgand;
-		xorT = fgxor;
-	    }
-	    else
-	    {
-		andT = bgand;
-		xorT = bgxor;
-	    }
-	    d = dst + (x1 >> FB_STIP_SHIFT);
-	    x = x1 & FB_STIP_MASK;
-	    rot = FbFirst24Rot (x);
-	    andT = FbRot24Stip (andT, rot);
-	    xorT = FbRot24Stip (xorT, rot);
-	    FbMaskStip (x, 24, leftMask, nl, rightMask);
-	    if (leftMask)
-	    {
-		WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, leftMask));
-		d++;
-		andT = FbNext24Stip (andT);
-		xorT = FbNext24Stip (xorT);
-	    }
-	    if (rightMask)
-		WRITE(d, FbDoMaskRRop (READ(d), andT, xorT, rightMask));
-	}
-	if (axis == X_AXIS)
-	{
-	    x1 += signdx;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		dst += dstStride;
-	    }
-	}
-	else
-	{
-	    dst += dstStride;
-	    e += e1;
-	    if (e >= 0)
-	    {
-		e += e3;
-		x1 += signdx;
-	    }
-	}
-	FbDashStep (dashlen, even);
+    while (len--) {
+        if (even || doOdd) {
+            if (even) {
+                andT = fgand;
+                xorT = fgxor;
+            }
+            else {
+                andT = bgand;
+                xorT = bgxor;
+            }
+            d = dst + (x1 >> FB_STIP_SHIFT);
+            x = x1 & FB_STIP_MASK;
+            rot = FbFirst24Rot(x);
+            andT = FbRot24Stip(andT, rot);
+            xorT = FbRot24Stip(xorT, rot);
+            FbMaskStip(x, 24, leftMask, nl, rightMask);
+            if (leftMask) {
+                WRITE(d, FbDoMaskRRop(READ(d), andT, xorT, leftMask));
+                d++;
+                andT = FbNext24Stip(andT);
+                xorT = FbNext24Stip(xorT);
+            }
+            if (rightMask)
+                WRITE(d, FbDoMaskRRop(READ(d), andT, xorT, rightMask));
+        }
+        if (axis == X_AXIS) {
+            x1 += signdx;
+            e += e1;
+            if (e >= 0) {
+                e += e3;
+                dst += dstStride;
+            }
+        }
+        else {
+            dst += dstStride;
+            e += e1;
+            if (e >= 0) {
+                e += e3;
+                x1 += signdx;
+            }
+        }
+        FbDashStep(dashlen, even);
     }
 
-    fbFinishAccess (pDrawable);
+    fbFinishAccess(pDrawable);
 }
 
 /*
@@ -514,209 +435,193 @@ fbBresDash24RRop (DrawablePtr	pDrawable,
  */
 
 FbBres *
-fbSelectBres (DrawablePtr   pDrawable,
-	      GCPtr	    pGC)
+fbSelectBres(DrawablePtr pDrawable, GCPtr pGC)
 {
-    FbGCPrivPtr	pPriv = fbGetGCPrivate(pGC);
-    int		dstBpp = pDrawable->bitsPerPixel;
-    FbBres *	bres;
-    
-    if (pGC->lineStyle == LineSolid)
-    {
-	bres = fbBresFill;
-	if (pGC->fillStyle == FillSolid)
-	{
-	    bres = fbBresSolid;
-	    if (dstBpp == 24)
-		bres = fbBresSolid24RRop;
-	    if (pPriv->and == 0)
-	    {
-		switch (dstBpp) {
-		case 8:	bres = fbBresSolid8; break;
-		case 16: bres = fbBresSolid16; break;
-		case 24: bres = fbBresSolid24; break;
-		case 32: bres = fbBresSolid32; break;
-		}
-	    }
-	}
+    FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
+    int dstBpp = pDrawable->bitsPerPixel;
+    FbBres *bres;
+
+    if (pGC->lineStyle == LineSolid) {
+        bres = fbBresFill;
+        if (pGC->fillStyle == FillSolid) {
+            bres = fbBresSolid;
+            if (dstBpp == 24)
+                bres = fbBresSolid24RRop;
+            if (pPriv->and == 0) {
+                switch (dstBpp) {
+                case 8:
+                    bres = fbBresSolid8;
+                    break;
+                case 16:
+                    bres = fbBresSolid16;
+                    break;
+                case 24:
+                    bres = fbBresSolid24;
+                    break;
+                case 32:
+                    bres = fbBresSolid32;
+                    break;
+                }
+            }
+        }
     }
-    else
-    {
-	bres = fbBresFillDash;
-	if (pGC->fillStyle == FillSolid)
-	{
-	    bres = fbBresDash;
-	    if (dstBpp == 24)
-		bres = fbBresDash24RRop;
-	    if (pPriv->and == 0 && 
-		(pGC->lineStyle == LineOnOffDash || pPriv->bgand == 0))
-	    {
-		switch (dstBpp) {
-		case 8:	bres = fbBresDash8; break;
-		case 16: bres = fbBresDash16; break;
-		case 24: bres = fbBresDash24; break;
-		case 32: bres = fbBresDash32; break;
-		}
-	    }
-	}
+    else {
+        bres = fbBresFillDash;
+        if (pGC->fillStyle == FillSolid) {
+            bres = fbBresDash;
+            if (dstBpp == 24)
+                bres = fbBresDash24RRop;
+            if (pPriv->and == 0 &&
+                (pGC->lineStyle == LineOnOffDash || pPriv->bgand == 0)) {
+                switch (dstBpp) {
+                case 8:
+                    bres = fbBresDash8;
+                    break;
+                case 16:
+                    bres = fbBresDash16;
+                    break;
+                case 24:
+                    bres = fbBresDash24;
+                    break;
+                case 32:
+                    bres = fbBresDash32;
+                    break;
+                }
+            }
+        }
     }
     return bres;
 }
 
 void
-fbBres (DrawablePtr	pDrawable,
-	GCPtr		pGC,
-	int		dashOffset,
-	int		signdx,
-	int		signdy,
-	int		axis,
-	int		x1,
-	int		y1,
-	int		e,
-	int		e1,
-	int		e3,
-	int		len)
+fbBres(DrawablePtr pDrawable,
+       GCPtr pGC,
+       int dashOffset,
+       int signdx,
+       int signdy, int axis, int x1, int y1, int e, int e1, int e3, int len)
 {
-    (*fbSelectBres (pDrawable, pGC)) (pDrawable, pGC, dashOffset,
-				      signdx, signdy, axis, x1, y1,
-				      e, e1, e3, len);
+    (*fbSelectBres(pDrawable, pGC)) (pDrawable, pGC, dashOffset,
+                                     signdx, signdy, axis, x1, y1,
+                                     e, e1, e3, len);
 }
 
 void
-fbSegment (DrawablePtr	pDrawable,
-	   GCPtr	pGC,
-	   int		x1,
-	   int		y1,
-	   int		x2,
-	   int		y2,
-	   Bool		drawLast,
-	   int		*dashOffset)
+fbSegment(DrawablePtr pDrawable,
+          GCPtr pGC,
+          int x1, int y1, int x2, int y2, Bool drawLast, int *dashOffset)
 {
-    FbBres *	bres;
-    RegionPtr	pClip = fbGetCompositeClip(pGC);
-    BoxPtr	pBox;
-    int		nBox;
-    int		adx;		/* abs values of dx and dy */
-    int		ady;
-    int		signdx;		/* sign of dx and dy */
-    int		signdy;
-    int		e, e1, e2, e3;		/* bresenham error and increments */
-    int		len;			/* length of segment */
-    int		axis;			/* major axis */
-    int		octant;
-    int		dashoff;
-    int		doff;
+    FbBres *bres;
+    RegionPtr pClip = fbGetCompositeClip(pGC);
+    BoxPtr pBox;
+    int nBox;
+    int adx;                    /* abs values of dx and dy */
+    int ady;
+    int signdx;                 /* sign of dx and dy */
+    int signdy;
+    int e, e1, e2, e3;          /* bresenham error and increments */
+    int len;                    /* length of segment */
+    int axis;                   /* major axis */
+    int octant;
+    int dashoff;
+    int doff;
     unsigned int bias = miGetZeroLineBias(pDrawable->pScreen);
-    unsigned int oc1;	/* outcode of point 1 */
-    unsigned int oc2;	/* outcode of point 2 */
-
-    nBox = RegionNumRects (pClip);
-    pBox = RegionRects (pClip);
-    
-    bres = fbSelectBres (pDrawable, pGC);
-    
-    CalcLineDeltas(x1, y1, x2, y2, adx, ady, signdx, signdy,
-		   1, 1, octant);
-
-    if (adx > ady)
-    {
-	axis = X_AXIS;
-	e1 = ady << 1;
-	e2 = e1 - (adx << 1);
-	e = e1 - adx;
-	len = adx;
+    unsigned int oc1;           /* outcode of point 1 */
+    unsigned int oc2;           /* outcode of point 2 */
+
+    nBox = RegionNumRects(pClip);
+    pBox = RegionRects(pClip);
+
+    bres = fbSelectBres(pDrawable, pGC);
+
+    CalcLineDeltas(x1, y1, x2, y2, adx, ady, signdx, signdy, 1, 1, octant);
+
+    if (adx > ady) {
+        axis = X_AXIS;
+        e1 = ady << 1;
+        e2 = e1 - (adx << 1);
+        e = e1 - adx;
+        len = adx;
     }
-    else
-    {
-	axis = Y_AXIS;
-	e1 = adx << 1;
-	e2 = e1 - (ady << 1);
-	e = e1 - ady;
-	SetYMajorOctant(octant);
-	len = ady;
+    else {
+        axis = Y_AXIS;
+        e1 = adx << 1;
+        e2 = e1 - (ady << 1);
+        e = e1 - ady;
+        SetYMajorOctant(octant);
+        len = ady;
     }
 
-    FIXUP_ERROR (e, octant, bias);
-    
+    FIXUP_ERROR(e, octant, bias);
+
     /*
      * Adjust error terms to compare against zero
      */
     e3 = e2 - e1;
     e = e - e1;
-    
+
     /* we have bresenham parameters and two points.
        all we have to do now is clip and draw.
-    */
+     */
 
     if (drawLast)
-	len++;
+        len++;
     dashoff = *dashOffset;
     *dashOffset = dashoff + len;
-    while(nBox--)
-    {
-	oc1 = 0;
-	oc2 = 0;
-	OUTCODES(oc1, x1, y1, pBox);
-	OUTCODES(oc2, x2, y2, pBox);
-	if ((oc1 | oc2) == 0)
-	{
-	    (*bres) (pDrawable, pGC, dashoff,
-		     signdx, signdy, axis, x1, y1,
-		     e, e1, e3, len);
-	    break;
-	}
-	else if (oc1 & oc2)
-	{
-	    pBox++;
-	}
-	else
-	{
-	    int new_x1 = x1, new_y1 = y1, new_x2 = x2, new_y2 = y2;
-	    int clip1 = 0, clip2 = 0;
-	    int clipdx, clipdy;
-	    int err;
-	    
-	    if (miZeroClipLine(pBox->x1, pBox->y1, pBox->x2-1,
-			       pBox->y2-1,
-			       &new_x1, &new_y1, &new_x2, &new_y2,
-			       adx, ady, &clip1, &clip2,
-			       octant, bias, oc1, oc2) == -1)
-	    {
-		pBox++;
-		continue;
-	    }
-
-	    if (axis == X_AXIS)
-		len = abs(new_x2 - new_x1);
-	    else
-		len = abs(new_y2 - new_y1);
-	    if (clip2 != 0 || drawLast)
-		len++;
-	    if (len)
-	    {
-		/* unwind bresenham error term to first point */
-		doff = dashoff;
-		err = e;
-		if (clip1)
-		{
-		    clipdx = abs(new_x1 - x1);
-		    clipdy = abs(new_y1 - y1);
-		    if (axis == X_AXIS)
-		    {
-			doff += clipdx;
-			err  += e3 * clipdy + e1 * clipdx;
-		    }
-		    else
-		    {
-			doff += clipdy;
-			err  += e3 * clipdx + e1 * clipdy;
-		    }
-		}
-		(*bres) (pDrawable, pGC, doff,
-			 signdx, signdy, axis, new_x1, new_y1,
-			 err, e1, e3, len);
-	    }
-	    pBox++;
-	}
-    } /* while (nBox--) */
+    while (nBox--) {
+        oc1 = 0;
+        oc2 = 0;
+        OUTCODES(oc1, x1, y1, pBox);
+        OUTCODES(oc2, x2, y2, pBox);
+        if ((oc1 | oc2) == 0) {
+            (*bres) (pDrawable, pGC, dashoff,
+                     signdx, signdy, axis, x1, y1, e, e1, e3, len);
+            break;
+        }
+        else if (oc1 & oc2) {
+            pBox++;
+        }
+        else {
+            int new_x1 = x1, new_y1 = y1, new_x2 = x2, new_y2 = y2;
+            int clip1 = 0, clip2 = 0;
+            int clipdx, clipdy;
+            int err;
+
+            if (miZeroClipLine(pBox->x1, pBox->y1, pBox->x2 - 1,
+                               pBox->y2 - 1,
+                               &new_x1, &new_y1, &new_x2, &new_y2,
+                               adx, ady, &clip1, &clip2,
+                               octant, bias, oc1, oc2) == -1) {
+                pBox++;
+                continue;
+            }
+
+            if (axis == X_AXIS)
+                len = abs(new_x2 - new_x1);
+            else
+                len = abs(new_y2 - new_y1);
+            if (clip2 != 0 || drawLast)
+                len++;
+            if (len) {
+                /* unwind bresenham error term to first point */
+                doff = dashoff;
+                err = e;
+                if (clip1) {
+                    clipdx = abs(new_x1 - x1);
+                    clipdy = abs(new_y1 - y1);
+                    if (axis == X_AXIS) {
+                        doff += clipdx;
+                        err += e3 * clipdy + e1 * clipdx;
+                    }
+                    else {
+                        doff += clipdy;
+                        err += e3 * clipdx + e1 * clipdy;
+                    }
+                }
+                (*bres) (pDrawable, pGC, doff,
+                         signdx, signdy, axis, new_x1, new_y1,
+                         err, e1, e3, len);
+            }
+            pBox++;
+        }
+    }                           /* while (nBox--) */
 }