230 lines
8.4 KiB
HTML
230 lines
8.4 KiB
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<title>Code coverage report for packer-async.js</title>
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<h1><a href="index.html">All files</a> packer-async.js</h1>
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<span class="strong">100% </span>
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<p class="quiet">
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Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
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<pre><table class="coverage">
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<tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">"use strict";
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let util = require("util");
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let Stream = require("stream");
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let constants = require("./constants");
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let Packer = require("./packer");
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let PackerAsync = (module.exports = function (opt) {
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Stream.call(this);
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let options = opt || <span class="branch-1 cbranch-no" title="branch not covered" >{};</span>
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this._packer = new Packer(options);
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this._deflate = this._packer.createDeflate();
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this.readable = true;
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});
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util.inherits(PackerAsync, Stream);
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PackerAsync.prototype.pack = function (data, width, height, gamma) {
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// Signature
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this.emit("data", Buffer.from(constants.PNG_SIGNATURE));
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this.emit("data", this._packer.packIHDR(width, height));
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if (gamma) {
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this.emit("data", this._packer.packGAMA(gamma));
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}
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let filteredData = this._packer.filterData(data, width, height);
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// compress it
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this._deflate.on("error", this.emit.bind(this, "error"));
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this._deflate.on(
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"data",
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function (compressedData) {
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this.emit("data", this._packer.packIDAT(compressedData));
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}.bind(this)
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);
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this._deflate.on(
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"end",
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function () {
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this.emit("data", this._packer.packIEND());
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this.emit("end");
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}.bind(this)
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);
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this._deflate.end(filteredData);
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};
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</pre></td></tr></table></pre>
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Code coverage generated by
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<a href="https://istanbul.js.org/" target="_blank">istanbul</a>
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at Fri Apr 10 2020 13:53:16 GMT+0200 (Central European Summer Time)
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