From: Jukka Kurkela <jukka.kurkela@gmail.com>
Date: Tue, 15 Sep 2020 19:33:59 +0000 (+0300)
Subject: Limit pixel values to 32bit integer range (#7800)
X-Git-Tag: v3.0.0-beta.2~1^2~7
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=17e27e16cc52a7df3e87df8251f040d7cd394dab;p=thirdparty%2FChart.js.git

Limit pixel values to 32bit integer range (#7800)
---

diff --git a/src/core/core.scale.js b/src/core/core.scale.js
index c8fc02bbc..ae3a2697c 100644
--- a/src/core/core.scale.js
+++ b/src/core/core.scale.js
@@ -2,7 +2,7 @@ import defaults from './core.defaults';
 import Element from './core.element';
 import {_alignPixel, _measureText} from '../helpers/helpers.canvas';
 import {callback as call, each, isArray, isFinite, isNullOrUndef, isObject, valueOrDefault} from '../helpers/helpers.core';
-import {_factorize, toDegrees, toRadians} from '../helpers/helpers.math';
+import {_factorize, toDegrees, toRadians, _int32Range} from '../helpers/helpers.math';
 import {toFont, resolve, toPadding} from '../helpers/helpers.options';
 import Ticks from './core.ticks';
 
@@ -981,7 +981,7 @@ export default class Scale extends Element {
 			decimal = 1 - decimal;
 		}
 
-		return me._startPixel + decimal * me._length;
+		return _int32Range(me._startPixel + decimal * me._length);
 	}
 
 	/**
diff --git a/src/helpers/helpers.math.js b/src/helpers/helpers.math.js
index b01c9b292..2fc9043c1 100644
--- a/src/helpers/helpers.math.js
+++ b/src/helpers/helpers.math.js
@@ -172,3 +172,7 @@ export function _angleBetween(angle, start, end) {
 export function _limitValue(value, min, max) {
 	return Math.max(min, Math.min(max, value));
 }
+
+export function _int32Range(value) {
+	return _limitValue(value, -2147483648, 2147483647);
+}