From: John Ellson <ellson@research.att.com>
Date: Sun, 20 May 2012 16:26:01 +0000 (-0400)
Subject: fix some minor spacing issues with 'curve' code
X-Git-Tag: LAST_LIBGRAPH~32^2~415
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5f3696725f85a27a503107b63700f2d538770465;p=graphviz

fix some minor spacing issues with 'curve' code
---

diff --git a/lib/common/arrows.c b/lib/common/arrows.c
index 03d7b97a1..ddad793d3 100644
--- a/lib/common/arrows.c
+++ b/lib/common/arrows.c
@@ -99,8 +99,8 @@ static arrowname_t Arrownames[] = {
     /* Define "empty" as just "mpty" since "e" already taken as ARR_MOD_OPEN */
     /* Note that ARR_MOD_OPEN has expected meaning for ARR_TYPE_NORM shape */
     {"mpty", ARR_TYPE_NORM},
- {"curve", ARR_TYPE_CURVE},
- {(char *) 0, ARR_TYPE_NONE}
+    {"curve", ARR_TYPE_CURVE},
+    {(char *) 0, ARR_TYPE_NONE}
 };
 
 typedef struct arrowtype_t {
@@ -125,7 +125,7 @@ static arrowtype_t Arrowtypes[] = {
     {ARR_TYPE_BOX, 1.0, arrow_type_box},
     {ARR_TYPE_DIAMOND, 1.2, arrow_type_diamond},
     {ARR_TYPE_DOT, 0.8, arrow_type_dot},
- {ARR_TYPE_CURVE, 1.0, arrow_type_curve},
+    {ARR_TYPE_CURVE, 1.0, arrow_type_curve},
     {ARR_TYPE_NONE, 0.0, NULL}
 };
 
@@ -606,30 +606,29 @@ static void arrow_type_dot(GVJ_t * job, pointf p, pointf u, double arrowsize, do
 
 
 /* Draw a concave semicircle using a single cubic bezier curve that touches p at its midpoint.
- * See http://digerati-illuminatus.blogspot.com.au/2008/05/approximating-semicircle-with-cubic.htmlfor details.
+ * See http://digerati-illuminatus.blogspot.com.au/2008/05/approximating-semicircle-with-cubic.html for details.
  */
 static void arrow_type_curve(GVJ_t* job, pointf p, pointf u, double arrowsize, double penwidth, int flag)
 {
- double const arrowwidth = penwidth > 4 ? 0.5 * penwidth / 4 : 0.5;
- pointf const q = {p.x + u.x, p.y + u.y}, v = {-u.y * arrowwidth, u.x * arrowwidth},
- w = {v.y, -v.x}; // same direction as u, same magnitude as v.
- pointf AF[4], a[2] = {p, q};
-
+    double const arrowwidth = penwidth > 4 ? 0.5 * penwidth / 4 : 0.5;
+    pointf const q = {p.x + u.x, p.y + u.y}, v = {-u.y * arrowwidth, u.x * arrowwidth},
+    w = {v.y, -v.x}; // same direction as u, same magnitude as v.
+    pointf AF[4], a[2] = {p, q};
 
- AF[0].x = p.x + v.x + w.x;
- AF[0].y = p.y + v.y + w.y;
+    AF[0].x = p.x + v.x + w.x;
+    AF[0].y = p.y + v.y + w.y;
 
- AF[3].x = p.x - v.x + w.x;
- AF[3].y = p.y - v.y + w.y;
+    AF[3].x = p.x - v.x + w.x;
+    AF[3].y = p.y - v.y + w.y;
 
- AF[1].x = p.x + 0.95 * v.x + w.x - w.x * 4.0 / 3.0;
- AF[1].y = AF[0].y - w.y * 4.0 / 3.0;
+    AF[1].x = p.x + 0.95 * v.x + w.x - w.x * 4.0 / 3.0;
+    AF[1].y = AF[0].y - w.y * 4.0 / 3.0;
 
- AF[2].x = p.x - 0.95 * v.x + w.x - w.x * 4.0 / 3.0;
- AF[2].y = AF[3].y - w.y * 4.0 / 3.0;
+    AF[2].x = p.x - 0.95 * v.x + w.x - w.x * 4.0 / 3.0;
+    AF[2].y = AF[3].y - w.y * 4.0 / 3.0;
 
- gvrender_polyline(job, a, 2);
- gvrender_beziercurve(job, AF, sizeof(AF) / sizeof(pointf), FALSE, FALSE, FALSE);
+    gvrender_polyline(job, a, 2);
+    gvrender_beziercurve(job, AF, sizeof(AF) / sizeof(pointf), FALSE, FALSE, FALSE);
 }