1004     _.each(actors, function(a) {  argument
1005       var bb = this.textBBox(a.name, font);
1006       a.textBB = bb;
1008       a.x = 0; a.y = 0;
1009       a.width  = bb.width  + (ACTOR_PADDING + ACTOR_MARGIN) * 2;
1010       a.height = bb.height + (ACTOR_PADDING + ACTOR_MARGIN) * 2;
1012       a.distances = [];
1013       a.paddingRight = 0;
1014       this.actorsHeight_ = Math.max(a.height, this.actorsHeight_);
1017     function actorEnsureDistance(a, b, d) {  argument
1018       assert(a < b, 'a must be less than or equal to b');
1020       if (a < 0) {
1026         a = actors[a];
1027         a.paddingRight = Math.max(d, a.paddingRight);
1029         a = actors[a];
1030         a.distances[b] = Math.max(d, a.distances[b] ? a.distances[b] : 0);
1036       var a;
1055           a = s.actorA.index;
1056           b = a + 1;
1059           a = Math.min(s.actorA.index, s.actorB.index);
1072           a = b - 1;
1074           a = s.actor.index;
1075           b = a + 1;
1078           a = Math.min(s.actor[0].index, s.actor[1].index);
1086           a = s.actor.index;
1087           actorEnsureDistance(a - 1, a, s.width / 2);
1088           actorEnsureDistance(a, a + 1, s.width / 2);
1097       actorEnsureDistance(a, b, s.width + extraWidth);
1103     _.each(actors, function(a) {  argument
1104       a.x = Math.max(actorsX, a.x);
1107       _.each(a.distances, function(distance, b) {
1115         distance = Math.max(distance, a.width / 2, b.width / 2);
1116         b.x = Math.max(b.x, a.x + a.width / 2 + distance - b.width / 2);
1119       actorsX = a.x + a.width + a.paddingRight;
1144     _.each(this.diagram.actors, function(a) {  argument
1146       this.drawActor(a, y, this.actorsHeight_);
1149       this.drawActor(a, y + this.actorsHeight_ + this.signalsHeight_, this.actorsHeight_);
1152       var aX = getCenterX(a);
1324       var a = this.arrowTypes_ = {};
1325       a[ARROWTYPE.FILLED] = 'block';
1326       a[ARROWTYPE.OPEN]   = 'open';