103 lines
4.0 KiB
JavaScript
103 lines
4.0 KiB
JavaScript
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/**
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* AUTO-GENERATED FILE. DO NOT MODIFY.
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*/
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import { assert } from 'zrender/lib/core/util.js';
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import { error } from './log.js';
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import { UNDEFINED_STR } from './types.js';
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import { MAX_SAFE_INTEGER } from './number.js';
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/* global Int8Array, Int16Array, Int32Array, Uint8Array, Uint16Array, Uint32Array,
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Uint8ClampedArray, Float32Array, Float64Array */
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export var Int8ArrayCtor = typeof Int8Array !== UNDEFINED_STR ? Int8Array : undefined;
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export var Int16ArrayCtor = typeof Int16Array !== UNDEFINED_STR ? Int16Array : undefined;
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export var Int32ArrayCtor = typeof Int32Array !== UNDEFINED_STR ? Int32Array : undefined;
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export var Uint8ArrayCtor = typeof Uint8Array !== UNDEFINED_STR ? Uint8Array : undefined;
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export var Uint16ArrayCtor = typeof Uint16Array !== UNDEFINED_STR ? Uint16Array : undefined;
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export var Uint32ArrayCtor = typeof Uint32Array !== UNDEFINED_STR ? Uint32Array : undefined;
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export var Uint8ClampedArrayCtor = typeof Uint8ClampedArray !== UNDEFINED_STR ? Uint8ClampedArray : undefined;
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export var Float32ArrayCtor = typeof Float32Array !== UNDEFINED_STR ? Float32Array : undefined;
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export var Float64ArrayCtor = typeof Float64Array !== UNDEFINED_STR ? Float64Array : undefined;
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export function createFloat32Array(capacity) {
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return tryEnsureTypedArray({
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ctor: Float32ArrayCtor
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}, capacity).arr;
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}
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export function tryEnsureTypedArray(tyArr,
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// Can add more types if needed.
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// NOTICE: Callers need to manage data length themselves.
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// Do not consider `capacity` as the data length.
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capacity) {
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if (process.env.NODE_ENV !== 'production') {
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assert(capacity != null && isFinite(capacity) && capacity >= 0 && tyArr.hasOwnProperty('ctor'));
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}
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var existingArr = tyArr.arr;
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var ctor = tyArr.ctor;
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if (capacity > MAX_SAFE_INTEGER) {
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capacity = MAX_SAFE_INTEGER;
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}
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if (!existingArr || tyArr.typed && existingArr.length < capacity) {
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var nextArr = void 0;
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if (ctor) {
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try {
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// A large contiguous memory allocation may cause OOM.
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nextArr = new ctor(capacity);
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tyArr.typed = true;
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existingArr && nextArr.set(existingArr);
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} catch (e) {
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if (process.env.NODE_ENV !== 'production') {
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error(e);
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}
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}
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}
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if (!nextArr) {
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nextArr = [];
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tyArr.typed = false;
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if (existingArr) {
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for (var i = 0, len = existingArr.length; i < len; i++) {
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nextArr[i] = existingArr[i];
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}
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}
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}
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tyArr.arr = nextArr;
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}
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return tyArr;
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} |