874   return box.x + box.width / 2;
885 function clamp(x, min, max) {  argument
886   if (x < min) {
889   if (x > max) {
892   return x;
910     x: (x2 - x1) * r1 + x1 + xfactor,  property in wobble.p1
915     x: (x2 - x1) * r2 + x1 - xfactor,  property in wobble.p2
919   return 'C' + p1.x.toFixed(1) + ',' + p1.y.toFixed(1) + // start control point
920          ' ' + p2.x.toFixed(1) + ',' + p2.y.toFixed(1) + // end control point
927 function handRect(x, y, w, h) {  argument
928   assert(_.all([x, y, w, h], _.isFinite), 'x, y, w, h must be numeric');
929   return 'M' + x + ',' + y +
930    wobble(x, y, x + w, y) +
931    wobble(x + w, y, x + w, y + h) +
932    wobble(x + w, y + h, x, y + h) +
933    wobble(x, y + h, x, y);
997       title.x = DIAGRAM_MARGIN;
1008       a.x = 0; a.y = 0;
1023         b.x = Math.max(d - b.width / 2, b.x);
1104       a.x = Math.max(actorsX, a.x);
1116         b.x = Math.max(b.x, a.x + a.width / 2 + distance - b.width / 2);
1119       actorsX = a.x + a.width + a.paddingRight;
1190       var x = aX + SELF_SIGNAL_WIDTH + SIGNAL_PADDING;
1193       this.drawText(x, y, signal.message, this.font_, ALIGN_LEFT);
1209     var x = (bX - aX) / 2 + aX;
1213     this.drawText(x, y, signal.message, this.font_, ALIGN_CENTER);
1226       note.x = aX + ACTOR_MARGIN;
1229       note.x = aX - ACTOR_MARGIN - note.width;
1235         note.x = Math.min(aX, bX) - overlap;
1236         note.width = (Math.max(aX, bX) + overlap) - note.x;
1238         note.x = aX - note.width / 2;
1251     var x = box.x + margin;
1257     this.drawRect(x, y, w, h);
1261       x = getCenterX(box);
1264       x += padding;
1268     return this.drawText(x, y, text, font, align);
1392     drawRect: function(x, y, w, h) {  argument
1393       return this.paper_.rect(x, y, w, h).attr(RECT);
1403     drawText: function(x, y, text, font, align) {  argument
1412         x = x - bb.width / 2;
1419         t = paper.print(x - bb.x, y - bb.y, text, font.obj_, font['font-size']);
1421         t = paper.text(x - bb.x - bb.width / 2, y - bb.y, text);
1459         drawRect: function(x, y, w, h) {  argument
1460           return this.paper_.path(handRect(x, y, w, h)).attr(RECT);