at sunburst/pie transformInsideText - reduce textpad from radius when computing radial and tangential options

Author: archmoj

src/traces/pie/plot.js

@@ -19,6 +19,7 @@ var svgTextUtils = require('../../lib/svg_text_utils');
 var uniformText = require('../bar/uniform_text');
 var recordMinTextSize = uniformText.recordMinTextSize;
 var clearMinTextSize = uniformText.clearMinTextSize;
+var TEXTPAD = require('../bar/constants').TEXTPAD;
 
 var helpers = require('./helpers');
 var eventData = require('./event_data');
@@ -669,6 +670,8 @@ function isCrossing(pt, angle) {
 }
 
 function calcRadTransform(textBB, r, ring, halfAngle, midAngle) {
+    r = Math.max(0, r - 2 * TEXTPAD);
+
     // max size if text is rotated radially
     var a = textBB.width / textBB.height;
     var s = calcMaxHalfSize(a, halfAngle, r, ring);
@@ -680,6 +683,8 @@ function calcRadTransform(textBB, r, ring, halfAngle, midAngle) {
 }
 
 function calcTanTransform(textBB, r, ring, halfAngle, midAngle) {
+    r = Math.max(0, r - 2 * TEXTPAD);
+
     // max size if text is rotated tangentially
     var a = textBB.height / textBB.width;
     var s = calcMaxHalfSize(a, halfAngle, r, ring);