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libs_zlib.js.html
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libs_zlib.js.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>libs/zlib.js - Documentation</title>
<script src="scripts/prettify/prettify.js"></script>
<script src="scripts/prettify/lang-css.js"></script>
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<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
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<label for="nav-trigger" class="overlay"></label>
<nav >
<h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="GState.html">GState</a></li><li><a href="jsPDF.html">jsPDF</a><ul class='methods'><li data-type='method'><a href="jsPDF.html#addFont">addFont</a></li><li data-type='method'><a href="jsPDF.html#addGState">addGState</a></li><li data-type='method'><a href="jsPDF.html#addPage">addPage</a></li><li data-type='method'><a href="jsPDF.html#addPattern">addPattern</a></li><li data-type='method'><a href="jsPDF.html#beginFormObject">beginFormObject</a></li><li data-type='method'><a href="jsPDF.html#circle">circle</a></li><li data-type='method'><a href="jsPDF.html#clip">clip</a></li><li data-type='method'><a href="jsPDF.html#clipEvenOdd">clipEvenOdd</a></li><li data-type='method'><a href="jsPDF.html#close">close</a></li><li data-type='method'><a href="jsPDF.html#comment">comment</a></li><li data-type='method'><a href="jsPDF.html#curveTo">curveTo</a></li><li data-type='method'><a href="jsPDF.html#deletePage">deletePage</a></li><li data-type='method'><a href="jsPDF.html#discardPath">discardPath</a></li><li data-type='method'><a href="jsPDF.html#doFormObject">doFormObject</a></li><li data-type='method'><a href="jsPDF.html#ellipse">ellipse</a></li><li data-type='method'><a href="jsPDF.html#endFormObject">endFormObject</a></li><li data-type='method'><a href="jsPDF.html#fill">fill</a></li><li data-type='method'><a href="jsPDF.html#fillEvenOdd">fillEvenOdd</a></li><li data-type='method'><a href="jsPDF.html#fillStroke">fillStroke</a></li><li data-type='method'><a href="jsPDF.html#fillStrokeEvenOdd">fillStrokeEvenOdd</a></li><li data-type='method'><a href="jsPDF.html#getCharSpace">getCharSpace</a></li><li data-type='method'><a href="jsPDF.html#getCreationDate">getCreationDate</a></li><li data-type='method'><a href="jsPDF.html#getDrawColor">getDrawColor</a></li><li data-type='method'><a href="jsPDF.html#getFileId">getFileId</a></li><li data-type='method'><a href="jsPDF.html#getFillColor">getFillColor</a></li><li data-type='method'><a href="jsPDF.html#getFont">getFont</a></li><li data-type='method'><a href="jsPDF.html#getFontList">getFontList</a></li><li data-type='method'><a href="jsPDF.html#getFontSize">getFontSize</a></li><li data-type='method'><a href="jsPDF.html#getFormObject">getFormObject</a></li><li data-type='method'><a href="jsPDF.html#getLineHeightFactor">getLineHeightFactor</a></li><li data-type='method'><a href="jsPDF.html#getR2L">getR2L</a></li><li data-type='method'><a href="jsPDF.html#getTextColor">getTextColor</a></li><li data-type='method'><a href="jsPDF.html#insertPage">insertPage</a></li><li data-type='method'><a href="jsPDF.html#line">line</a></li><li data-type='method'><a href="jsPDF.html#lines">lines</a></li><li data-type='method'><a href="jsPDF.html#lineTo">lineTo</a></li><li data-type='method'><a href="jsPDF.html#movePage">movePage</a></li><li data-type='method'><a href="jsPDF.html#moveTo">moveTo</a></li><li data-type='method'><a href="jsPDF.html#output">output</a></li><li data-type='method'><a href="jsPDF.html#path">path</a></li><li data-type='method'><a href="jsPDF.html#rect">rect</a></li><li data-type='method'><a href="jsPDF.html#restoreGraphicsState">restoreGraphicsState</a></li><li data-type='method'><a href="jsPDF.html#roundedRect">roundedRect</a></li><li data-type='method'><a href="jsPDF.html#save">save</a></li><li data-type='method'><a href="jsPDF.html#saveGraphicsState">saveGraphicsState</a></li><li data-type='method'><a href="jsPDF.html#setCharSpace">setCharSpace</a></li><li data-type='method'><a href="jsPDF.html#setCreationDate">setCreationDate</a></li><li data-type='method'><a href="jsPDF.html#setCurrentTransformationMatrix">setCurrentTransformationMatrix</a></li><li data-type='method'><a href="jsPDF.html#setDisplayMode">setDisplayMode</a></li><li data-type='method'><a href="jsPDF.html#setDocumentProperties">setDocumentProperties</a></li><li data-type='method'><a href="jsPDF.html#setDrawColor">setDrawColor</a></li><li data-type='method'><a href="jsPDF.html#setFileId">setFileId</a></li><li data-type='method'><a href="jsPDF.html#setFillColor">setFillColor</a></li><li data-type='method'><a href="jsPDF.html#setFont">setFont</a></li><li data-type='method'><a href="jsPDF.html#setFontSize">setFontSize</a></li><li data-type='method'><a href="jsPDF.html#setGState">setGState</a></li><li data-type='method'><a href="jsPDF.html#setLineCap">setLineCap</a></li><li data-type='method'><a href="jsPDF.html#setLineDashPattern">setLineDashPattern</a></li><li data-type='method'><a href="jsPDF.html#setLineHeightFactor">setLineHeightFactor</a></li><li data-type='method'><a href="jsPDF.html#setLineJoin">setLineJoin</a></li><li data-type='method'><a href="jsPDF.html#setLineMiterLimit">setLineMiterLimit</a></li><li data-type='method'><a href="jsPDF.html#setLineWidth">setLineWidth</a></li><li data-type='method'><a href="jsPDF.html#setPage">setPage</a></li><li data-type='method'><a href="jsPDF.html#setPrecision">setPrecision</a></li><li data-type='method'><a href="jsPDF.html#setR2L">setR2L</a></li><li data-type='method'><a href="jsPDF.html#setTextColor">setTextColor</a></li><li data-type='method'><a href="jsPDF.html#stroke">stroke</a></li><li data-type='method'><a href="jsPDF.html#text">text</a></li><li data-type='method'><a href="jsPDF.html#triangle">triangle</a></li><li data-type='method'><a href="jsPDF.html#~addGState">addGState</a></li><li data-type='method'><a href="jsPDF.html#~addPattern">addPattern</a></li><li data-type='method'><a href="jsPDF.html#~hasHotfix">hasHotfix</a></li><li data-type='method'><a href="jsPDF.html#~Point">Point</a></li><li data-type='method'><a href="jsPDF.html#~Rectangle">Rectangle</a></li><li data-type='method'><a href="jsPDF.html#~RenderTarget">RenderTarget</a></li></ul></li><li><a href="jsPDF-API.GState.html">GState</a></li><li><a href="jsPDF-API.ShadingPattern.html">ShadingPattern</a></li><li><a href="jsPDF-API.TilingPattern.html">TilingPattern</a></li><li><a href="Matrix.html">Matrix</a><ul class='methods'><li data-type='method'><a href="Matrix.html#applyToPoint">applyToPoint</a></li><li data-type='method'><a href="Matrix.html#applyToRectangle">applyToRectangle</a></li><li data-type='method'><a href="Matrix.html#clone">clone</a></li><li data-type='method'><a href="Matrix.html#decompose">decompose</a></li><li data-type='method'><a href="Matrix.html#inversed">inversed</a></li><li data-type='method'><a href="Matrix.html#join">join</a></li><li data-type='method'><a href="Matrix.html#multiply">multiply</a></li><li data-type='method'><a href="Matrix.html#toString">toString</a></li></ul></li><li><a href="module-AcroForm-AcroFormButton.html">AcroFormButton</a></li><li><a href="module-AcroForm-AcroFormCheckBox.html">AcroFormCheckBox</a></li><li><a href="module-AcroForm-AcroFormChoiceField.html">AcroFormChoiceField</a></li><li><a href="module-AcroForm-AcroFormComboBox.html">AcroFormComboBox</a><ul class='methods'><li data-type='method'><a href="module-AcroForm-AcroFormComboBox.html#addOption">addOption</a></li><li data-type='method'><a href="module-AcroForm-AcroFormComboBox.html#getOptions">getOptions</a></li><li data-type='method'><a href="module-AcroForm-AcroFormComboBox.html#removeOption">removeOption</a></li><li data-type='method'><a href="module-AcroForm-AcroFormComboBox.html#setOptions">setOptions</a></li></ul></li><li><a href="module-AcroForm-AcroFormEditBox.html">AcroFormEditBox</a><ul class='methods'><li data-type='method'><a href="module-AcroForm-AcroFormEditBox.html#addOption">addOption</a></li><li data-type='method'><a href="module-AcroForm-AcroFormEditBox.html#getOptions">getOptions</a></li><li data-type='method'><a href="module-AcroForm-AcroFormEditBox.html#removeOption">removeOption</a></li><li data-type='method'><a href="module-AcroForm-AcroFormEditBox.html#setOptions">setOptions</a></li></ul></li><li><a href="module-AcroForm-AcroFormField.html">AcroFormField</a></li><li><a href="module-AcroForm-AcroFormListBox.html">AcroFormListBox</a><ul class='methods'><li data-type='method'><a href="module-AcroForm-AcroFormListBox.html#addOption">addOption</a></li><li data-type='method'><a href="module-AcroForm-AcroFormListBox.html#getOptions">getOptions</a></li><li data-type='method'><a href="module-AcroForm-AcroFormListBox.html#removeOption">removeOption</a></li><li data-type='method'><a href="module-AcroForm-AcroFormListBox.html#setOptions">setOptions</a></li></ul></li><li><a href="module-AcroForm-AcroFormPasswordField.html">AcroFormPasswordField</a></li><li><a href="module-AcroForm-AcroFormPDFObject.html">AcroFormPDFObject</a></li><li><a href="module-AcroForm-AcroFormPushButton.html">AcroFormPushButton</a></li><li><a href="module-AcroForm-AcroFormRadioButton.html">AcroFormRadioButton</a></li><li><a href="module-AcroForm-AcroFormTextField.html">AcroFormTextField</a></li><li><a href="module-canvas-Canvas.html">Canvas</a></li></ul><h3>Modules</h3><ul><li><a href="module-AcroForm.html">AcroForm</a><ul class='methods'><li data-type='method'><a href="module-AcroForm.html#addField">addField</a></li><li data-type='method'><a href="module-AcroForm.html#~AcroFormDictionaryCallback">AcroFormDictionaryCallback</a></li><li data-type='method'><a href="module-AcroForm.html#~calculateFontSpace">calculateFontSpace</a></li><li data-type='method'><a href="module-AcroForm.html#~createAnnotationReference">createAnnotationReference</a></li><li data-type='method'><a href="module-AcroForm.html#~createFieldCallback">createFieldCallback</a></li></ul></li><li><a href="module-addImage.html">addImage</a><ul class='methods'><li data-type='method'><a href="module-addImage.html#~addImage">addImage</a></li><li data-type='method'><a href="module-addImage.html#~arrayBufferToBinaryString">arrayBufferToBinaryString</a></li><li data-type='method'><a href="module-addImage.html#~binaryStringToUint8Array">binaryStringToUint8Array</a></li><li data-type='method'><a href="module-addImage.html#~convertBase64ToBinaryString">convertBase64ToBinaryString</a></li><li data-type='method'><a href="module-addImage.html#~extractImageFromDataUrl">extractImageFromDataUrl</a></li><li data-type='method'><a href="module-addImage.html#~getImageFileTypeByImageData">getImageFileTypeByImageData</a></li><li data-type='method'><a href="module-addImage.html#~getImageProperties">getImageProperties</a></li><li data-type='method'><a href="module-addImage.html#~isArrayBuffer">isArrayBuffer</a></li><li data-type='method'><a href="module-addImage.html#~isArrayBufferView">isArrayBufferView</a></li><li data-type='method'><a href="module-addImage.html#~sHashCode">sHashCode</a></li><li data-type='method'><a href="module-addImage.html#~supportsArrayBuffer">supportsArrayBuffer</a></li><li data-type='method'><a href="module-addImage.html#~validateStringAsBase64">validateStringAsBase64</a></li></ul></li><li><a href="module-annotations.html">annotations</a><ul class='methods'><li data-type='method'><a href="module-annotations.html#~createAnnotation">createAnnotation</a></li><li data-type='method'><a href="module-annotations.html#~getTextWidth">getTextWidth</a></li><li data-type='method'><a href="module-annotations.html#~link">link</a></li><li data-type='method'><a href="module-annotations.html#~textWithLink">textWithLink</a></li></ul></li><li><a href="module-arabic.html">arabic</a><ul class='methods'><li data-type='method'><a href="module-arabic.html#~processArabic">processArabic</a></li></ul></li><li><a href="module-autoprint.html">autoprint</a><ul class='methods'><li data-type='method'><a href="module-autoprint.html#~autoPrint">autoPrint</a></li></ul></li><li><a href="module-bmp_support.html">bmp_support</a></li><li><a href="module-canvas.html">canvas</a><ul class='methods'><li data-type='method'><a href="module-canvas.html#~getContext">getContext</a></li><li data-type='method'><a href="module-canvas.html#~toDataURL">toDataURL</a></li></ul></li><li><a href="module-cell.html">cell</a><ul class='methods'><li data-type='method'><a href="module-cell.html#~cell">cell</a></li><li data-type='method'><a href="module-cell.html#~cellAddPage">cellAddPage</a></li><li data-type='method'><a href="module-cell.html#~getTextDimensions">getTextDimensions</a></li><li data-type='method'><a href="module-cell.html#~printHeaderRow">printHeaderRow</a></li><li data-type='method'><a href="module-cell.html#~setHeaderFunction">setHeaderFunction</a></li><li data-type='method'><a href="module-cell.html#~setTableHeaderRow">setTableHeaderRow</a></li><li data-type='method'><a href="module-cell.html#~table">table</a></li></ul></li><li><a href="module-context2d.html">context2d</a><ul class='methods'><li data-type='method'><a href="module-context2d.html#~arc">arc</a></li><li data-type='method'><a href="module-context2d.html#~arcTo">arcTo</a></li><li data-type='method'><a href="module-context2d.html#~beginPath">beginPath</a></li><li data-type='method'><a href="module-context2d.html#~bezierCurveTo">bezierCurveTo</a></li><li data-type='method'><a href="module-context2d.html#~clearRect">clearRect</a></li><li data-type='method'><a href="module-context2d.html#~clip">clip</a></li><li data-type='method'><a href="module-context2d.html#~closePath">closePath</a></li><li data-type='method'><a href="module-context2d.html#~createArc">createArc</a></li><li data-type='method'><a href="module-context2d.html#~fillRect">fillRect</a></li><li data-type='method'><a href="module-context2d.html#~fillText">fillText</a></li><li data-type='method'><a href="module-context2d.html#~lineTo">lineTo</a></li><li data-type='method'><a href="module-context2d.html#~measureText">measureText</a></li><li data-type='method'><a href="module-context2d.html#~moveTo">moveTo</a></li><li data-type='method'><a href="module-context2d.html#~quadraticCurveTo">quadraticCurveTo</a></li><li data-type='method'><a href="module-context2d.html#~rect">rect</a></li><li data-type='method'><a href="module-context2d.html#~restore">restore</a></li><li data-type='method'><a href="module-context2d.html#~rotate">rotate</a></li><li data-type='method'><a href="module-context2d.html#~save">save</a></li><li data-type='method'><a href="module-context2d.html#~scale">scale</a></li><li data-type='method'><a href="module-context2d.html#~setTransform">setTransform</a></li><li data-type='method'><a href="module-context2d.html#~stroke">stroke</a></li><li data-type='method'><a href="module-context2d.html#~strokeRect">strokeRect</a></li><li data-type='method'><a href="module-context2d.html#~strokeText">strokeText</a></li><li data-type='method'><a href="module-context2d.html#~toDataURL">toDataURL</a></li><li data-type='method'><a href="module-context2d.html#~transform">transform</a></li><li data-type='method'><a href="module-context2d.html#~translate">translate</a></li></ul></li><li><a href="module-fileloading.html">fileloading</a><ul class='methods'><li data-type='method'><a href="module-fileloading.html#~loadFile">loadFile</a></li><li data-type='method'><a href="module-fileloading.html#~loadImageFile">loadImageFile</a></li></ul></li><li><a href="module-gif_support.html">gif_support</a></li><li><a href="module-html.html">html</a><ul class='methods'><li data-type='method'><a href="module-html.html#~html">html</a></li></ul></li><li><a href="module-javascript.html">javascript</a><ul class='methods'><li data-type='method'><a href="module-javascript.html#~addJS">addJS</a></li></ul></li><li><a href="module-jpeg_support.html">jpeg_support</a></li><li><a href="module-outline.html">outline</a></li><li><a href="module-png_support.html">png_support</a></li><li><a href="module-setLanguage.html">setLanguage</a><ul class='methods'><li data-type='method'><a href="module-setLanguage.html#~setLanguage">setLanguage</a></li></ul></li><li><a href="module-split_text_to_size.html">split_text_to_size</a><ul class='methods'><li data-type='method'><a href="module-split_text_to_size.html#~getCharWidthsArray">getCharWidthsArray</a></li><li data-type='method'><a href="module-split_text_to_size.html#~getStringUnitWidth">getStringUnitWidth</a></li><li data-type='method'><a href="module-split_text_to_size.html#~splitTextToSize">splitTextToSize</a></li></ul></li><li><a href="module-standard_fonts_metrics.html">standard_fonts_metrics</a></li><li><a href="module-svg.html">svg</a><ul class='methods'><li data-type='method'><a href="module-svg.html#~addSvgAsImage">addSvgAsImage</a></li></ul></li><li><a href="module-total_pages.html">total_pages</a><ul class='methods'><li data-type='method'><a href="module-total_pages.html#~putTotalPages">putTotalPages</a></li></ul></li><li><a href="module-ttfsupport.html">ttfsupport</a></li><li><a href="module-utf8.html">utf8</a></li><li><a href="module-vFS.html">vFS</a><ul class='methods'><li data-type='method'><a href="module-vFS.html#~addFileToVFS">addFileToVFS</a></li><li data-type='method'><a href="module-vFS.html#~existsFileInVFS">existsFileInVFS</a></li><li data-type='method'><a href="module-vFS.html#~getFileFromVFS">getFileFromVFS</a></li></ul></li><li><a href="module-viewerpreferences.html">viewerpreferences</a><ul class='methods'><li data-type='method'><a href="module-viewerpreferences.html#~viewerPreferences">viewerPreferences</a></li></ul></li><li><a href="module-webp_support.html">webp_support</a></li><li><a href="module-xmp_metadata.html">xmp_metadata</a><ul class='methods'><li data-type='method'><a href="module-xmp_metadata.html#~addMetadata">addMetadata</a></li></ul></li></ul><h3>Global</h3><ul><li><a href="global.html#DecodeStream">DecodeStream</a></li><li><a href="global.html#mapArrayBufferViews">mapArrayBufferViews</a></li><li><a href="global.html#RGBColor">RGBColor</a></li><li><a href="global.html#SetsoptionsforBidiconversion">Sets options for Bidi conversion</a></li></ul>
</nav>
<div id="main">
<h1 class="page-title">libs/zlib.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>/**
* @license
* Extracted from pdf.js
* https://github.com/andreasgal/pdf.js
*
* Copyright (c) 2011 Mozilla Foundation
*
* Contributors: Andreas Gal <gal@mozilla.com>
* Chris G Jones <cjones@mozilla.com>
* Shaon Barman <shaon.barman@gmail.com>
* Vivien Nicolas <21@vingtetun.org>
* Justin D'Arcangelo <justindarc@gmail.com>
* Yury Delendik
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
var DecodeStream = (function() {
function constructor() {
this.pos = 0;
this.bufferLength = 0;
this.eof = false;
this.buffer = null;
}
constructor.prototype = {
ensureBuffer: function decodestream_ensureBuffer(requested) {
var buffer = this.buffer;
var current = buffer ? buffer.byteLength : 0;
if (requested < current) return buffer;
var size = 512;
while (size < requested) size <<= 1;
var buffer2 = new Uint8Array(size);
for (var i = 0; i < current; ++i) buffer2[i] = buffer[i];
return (this.buffer = buffer2);
},
getByte: function decodestream_getByte() {
var pos = this.pos;
while (this.bufferLength <= pos) {
if (this.eof) return null;
this.readBlock();
}
return this.buffer[this.pos++];
},
getBytes: function decodestream_getBytes(length) {
var pos = this.pos;
if (length) {
this.ensureBuffer(pos + length);
var end = pos + length;
while (!this.eof && this.bufferLength < end) this.readBlock();
var bufEnd = this.bufferLength;
if (end > bufEnd) end = bufEnd;
} else {
while (!this.eof) this.readBlock();
var end = this.bufferLength;
}
this.pos = end;
return this.buffer.subarray(pos, end);
},
lookChar: function decodestream_lookChar() {
var pos = this.pos;
while (this.bufferLength <= pos) {
if (this.eof) return null;
this.readBlock();
}
return String.fromCharCode(this.buffer[this.pos]);
},
getChar: function decodestream_getChar() {
var pos = this.pos;
while (this.bufferLength <= pos) {
if (this.eof) return null;
this.readBlock();
}
return String.fromCharCode(this.buffer[this.pos++]);
},
makeSubStream: function decodestream_makeSubstream(start, length, dict) {
var end = start + length;
while (this.bufferLength <= end && !this.eof) this.readBlock();
return new Stream(this.buffer, start, length, dict);
},
skip: function decodestream_skip(n) {
if (!n) n = 1;
this.pos += n;
},
reset: function decodestream_reset() {
this.pos = 0;
}
};
return constructor;
})();
var globalObject =
(typeof self !== "undefined" && self) ||
(typeof window !== "undefined" && window) ||
(typeof global !== "undefined" && global) ||
Function('return typeof this === "object" && this.content')() ||
Function("return this")();
var FlateStream = (globalObject.FlateStream = (function() {
if (typeof Uint32Array === "undefined") {
return undefined;
}
var codeLenCodeMap = new Uint32Array([
16,
17,
18,
0,
8,
7,
9,
6,
10,
5,
11,
4,
12,
3,
13,
2,
14,
1,
15
]);
var lengthDecode = new Uint32Array([
0x00003,
0x00004,
0x00005,
0x00006,
0x00007,
0x00008,
0x00009,
0x0000a,
0x1000b,
0x1000d,
0x1000f,
0x10011,
0x20013,
0x20017,
0x2001b,
0x2001f,
0x30023,
0x3002b,
0x30033,
0x3003b,
0x40043,
0x40053,
0x40063,
0x40073,
0x50083,
0x500a3,
0x500c3,
0x500e3,
0x00102,
0x00102,
0x00102
]);
var distDecode = new Uint32Array([
0x00001,
0x00002,
0x00003,
0x00004,
0x10005,
0x10007,
0x20009,
0x2000d,
0x30011,
0x30019,
0x40021,
0x40031,
0x50041,
0x50061,
0x60081,
0x600c1,
0x70101,
0x70181,
0x80201,
0x80301,
0x90401,
0x90601,
0xa0801,
0xa0c01,
0xb1001,
0xb1801,
0xc2001,
0xc3001,
0xd4001,
0xd6001
]);
var fixedLitCodeTab = [
new Uint32Array([
0x70100,
0x80050,
0x80010,
0x80118,
0x70110,
0x80070,
0x80030,
0x900c0,
0x70108,
0x80060,
0x80020,
0x900a0,
0x80000,
0x80080,
0x80040,
0x900e0,
0x70104,
0x80058,
0x80018,
0x90090,
0x70114,
0x80078,
0x80038,
0x900d0,
0x7010c,
0x80068,
0x80028,
0x900b0,
0x80008,
0x80088,
0x80048,
0x900f0,
0x70102,
0x80054,
0x80014,
0x8011c,
0x70112,
0x80074,
0x80034,
0x900c8,
0x7010a,
0x80064,
0x80024,
0x900a8,
0x80004,
0x80084,
0x80044,
0x900e8,
0x70106,
0x8005c,
0x8001c,
0x90098,
0x70116,
0x8007c,
0x8003c,
0x900d8,
0x7010e,
0x8006c,
0x8002c,
0x900b8,
0x8000c,
0x8008c,
0x8004c,
0x900f8,
0x70101,
0x80052,
0x80012,
0x8011a,
0x70111,
0x80072,
0x80032,
0x900c4,
0x70109,
0x80062,
0x80022,
0x900a4,
0x80002,
0x80082,
0x80042,
0x900e4,
0x70105,
0x8005a,
0x8001a,
0x90094,
0x70115,
0x8007a,
0x8003a,
0x900d4,
0x7010d,
0x8006a,
0x8002a,
0x900b4,
0x8000a,
0x8008a,
0x8004a,
0x900f4,
0x70103,
0x80056,
0x80016,
0x8011e,
0x70113,
0x80076,
0x80036,
0x900cc,
0x7010b,
0x80066,
0x80026,
0x900ac,
0x80006,
0x80086,
0x80046,
0x900ec,
0x70107,
0x8005e,
0x8001e,
0x9009c,
0x70117,
0x8007e,
0x8003e,
0x900dc,
0x7010f,
0x8006e,
0x8002e,
0x900bc,
0x8000e,
0x8008e,
0x8004e,
0x900fc,
0x70100,
0x80051,
0x80011,
0x80119,
0x70110,
0x80071,
0x80031,
0x900c2,
0x70108,
0x80061,
0x80021,
0x900a2,
0x80001,
0x80081,
0x80041,
0x900e2,
0x70104,
0x80059,
0x80019,
0x90092,
0x70114,
0x80079,
0x80039,
0x900d2,
0x7010c,
0x80069,
0x80029,
0x900b2,
0x80009,
0x80089,
0x80049,
0x900f2,
0x70102,
0x80055,
0x80015,
0x8011d,
0x70112,
0x80075,
0x80035,
0x900ca,
0x7010a,
0x80065,
0x80025,
0x900aa,
0x80005,
0x80085,
0x80045,
0x900ea,
0x70106,
0x8005d,
0x8001d,
0x9009a,
0x70116,
0x8007d,
0x8003d,
0x900da,
0x7010e,
0x8006d,
0x8002d,
0x900ba,
0x8000d,
0x8008d,
0x8004d,
0x900fa,
0x70101,
0x80053,
0x80013,
0x8011b,
0x70111,
0x80073,
0x80033,
0x900c6,
0x70109,
0x80063,
0x80023,
0x900a6,
0x80003,
0x80083,
0x80043,
0x900e6,
0x70105,
0x8005b,
0x8001b,
0x90096,
0x70115,
0x8007b,
0x8003b,
0x900d6,
0x7010d,
0x8006b,
0x8002b,
0x900b6,
0x8000b,
0x8008b,
0x8004b,
0x900f6,
0x70103,
0x80057,
0x80017,
0x8011f,
0x70113,
0x80077,
0x80037,
0x900ce,
0x7010b,
0x80067,
0x80027,
0x900ae,
0x80007,
0x80087,
0x80047,
0x900ee,
0x70107,
0x8005f,
0x8001f,
0x9009e,
0x70117,
0x8007f,
0x8003f,
0x900de,
0x7010f,
0x8006f,
0x8002f,
0x900be,
0x8000f,
0x8008f,
0x8004f,
0x900fe,
0x70100,
0x80050,
0x80010,
0x80118,
0x70110,
0x80070,
0x80030,
0x900c1,
0x70108,
0x80060,
0x80020,
0x900a1,
0x80000,
0x80080,
0x80040,
0x900e1,
0x70104,
0x80058,
0x80018,
0x90091,
0x70114,
0x80078,
0x80038,
0x900d1,
0x7010c,
0x80068,
0x80028,
0x900b1,
0x80008,
0x80088,
0x80048,
0x900f1,
0x70102,
0x80054,
0x80014,
0x8011c,
0x70112,
0x80074,
0x80034,
0x900c9,
0x7010a,
0x80064,
0x80024,
0x900a9,
0x80004,
0x80084,
0x80044,
0x900e9,
0x70106,
0x8005c,
0x8001c,
0x90099,
0x70116,
0x8007c,
0x8003c,
0x900d9,
0x7010e,
0x8006c,
0x8002c,
0x900b9,
0x8000c,
0x8008c,
0x8004c,
0x900f9,
0x70101,
0x80052,
0x80012,
0x8011a,
0x70111,
0x80072,
0x80032,
0x900c5,
0x70109,
0x80062,
0x80022,
0x900a5,
0x80002,
0x80082,
0x80042,
0x900e5,
0x70105,
0x8005a,
0x8001a,
0x90095,
0x70115,
0x8007a,
0x8003a,
0x900d5,
0x7010d,
0x8006a,
0x8002a,
0x900b5,
0x8000a,
0x8008a,
0x8004a,
0x900f5,
0x70103,
0x80056,
0x80016,
0x8011e,
0x70113,
0x80076,
0x80036,
0x900cd,
0x7010b,
0x80066,
0x80026,
0x900ad,
0x80006,
0x80086,
0x80046,
0x900ed,
0x70107,
0x8005e,
0x8001e,
0x9009d,
0x70117,
0x8007e,
0x8003e,
0x900dd,
0x7010f,
0x8006e,
0x8002e,
0x900bd,
0x8000e,
0x8008e,
0x8004e,
0x900fd,
0x70100,
0x80051,
0x80011,
0x80119,
0x70110,
0x80071,
0x80031,
0x900c3,
0x70108,
0x80061,
0x80021,
0x900a3,
0x80001,
0x80081,
0x80041,
0x900e3,
0x70104,
0x80059,
0x80019,
0x90093,
0x70114,
0x80079,
0x80039,
0x900d3,
0x7010c,
0x80069,
0x80029,
0x900b3,
0x80009,
0x80089,
0x80049,
0x900f3,
0x70102,
0x80055,
0x80015,
0x8011d,
0x70112,
0x80075,
0x80035,
0x900cb,
0x7010a,
0x80065,
0x80025,
0x900ab,
0x80005,
0x80085,
0x80045,
0x900eb,
0x70106,
0x8005d,
0x8001d,
0x9009b,
0x70116,
0x8007d,
0x8003d,
0x900db,
0x7010e,
0x8006d,
0x8002d,
0x900bb,
0x8000d,
0x8008d,
0x8004d,
0x900fb,
0x70101,
0x80053,
0x80013,
0x8011b,
0x70111,
0x80073,
0x80033,
0x900c7,
0x70109,
0x80063,
0x80023,
0x900a7,
0x80003,
0x80083,
0x80043,
0x900e7,
0x70105,
0x8005b,
0x8001b,
0x90097,
0x70115,
0x8007b,
0x8003b,
0x900d7,
0x7010d,
0x8006b,
0x8002b,
0x900b7,
0x8000b,
0x8008b,
0x8004b,
0x900f7,
0x70103,
0x80057,
0x80017,
0x8011f,
0x70113,
0x80077,
0x80037,
0x900cf,
0x7010b,
0x80067,
0x80027,
0x900af,
0x80007,
0x80087,
0x80047,
0x900ef,
0x70107,
0x8005f,
0x8001f,
0x9009f,
0x70117,
0x8007f,
0x8003f,
0x900df,
0x7010f,
0x8006f,
0x8002f,
0x900bf,
0x8000f,
0x8008f,
0x8004f,
0x900ff
]),
9
];
var fixedDistCodeTab = [
new Uint32Array([
0x50000,
0x50010,
0x50008,
0x50018,
0x50004,
0x50014,
0x5000c,
0x5001c,
0x50002,
0x50012,
0x5000a,
0x5001a,
0x50006,
0x50016,
0x5000e,
0x00000,
0x50001,
0x50011,
0x50009,
0x50019,
0x50005,
0x50015,
0x5000d,
0x5001d,
0x50003,
0x50013,
0x5000b,
0x5001b,
0x50007,
0x50017,
0x5000f,
0x00000
]),
5
];
function error(e) {
throw new Error(e);
}
function constructor(bytes) {
//var bytes = stream.getBytes();
var bytesPos = 0;
var cmf = bytes[bytesPos++];
var flg = bytes[bytesPos++];
if (cmf == -1 || flg == -1) error("Invalid header in flate stream");
if ((cmf & 0x0f) != 0x08)
error("Unknown compression method in flate stream");
if (((cmf << 8) + flg) % 31 != 0) error("Bad FCHECK in flate stream");
if (flg & 0x20) error("FDICT bit set in flate stream");
this.bytes = bytes;
this.bytesPos = bytesPos;
this.codeSize = 0;
this.codeBuf = 0;
DecodeStream.call(this);
}
constructor.prototype = Object.create(DecodeStream.prototype);
constructor.prototype.getBits = function(bits) {
var codeSize = this.codeSize;
var codeBuf = this.codeBuf;
var bytes = this.bytes;
var bytesPos = this.bytesPos;
var b;
while (codeSize < bits) {
if (typeof (b = bytes[bytesPos++]) == "undefined")
error("Bad encoding in flate stream");
codeBuf |= b << codeSize;
codeSize += 8;
}
b = codeBuf & ((1 << bits) - 1);
this.codeBuf = codeBuf >> bits;
this.codeSize = codeSize -= bits;
this.bytesPos = bytesPos;
return b;
};
constructor.prototype.getCode = function(table) {
var codes = table[0];
var maxLen = table[1];
var codeSize = this.codeSize;
var codeBuf = this.codeBuf;
var bytes = this.bytes;
var bytesPos = this.bytesPos;
while (codeSize < maxLen) {
var b;
if (typeof (b = bytes[bytesPos++]) == "undefined")
error("Bad encoding in flate stream");
codeBuf |= b << codeSize;
codeSize += 8;
}
var code = codes[codeBuf & ((1 << maxLen) - 1)];
var codeLen = code >> 16;
var codeVal = code & 0xffff;
if (codeSize == 0 || codeSize < codeLen || codeLen == 0)
error("Bad encoding in flate stream");
this.codeBuf = codeBuf >> codeLen;
this.codeSize = codeSize - codeLen;
this.bytesPos = bytesPos;
return codeVal;
};
constructor.prototype.generateHuffmanTable = function(lengths) {
var n = lengths.length;
// find max code length
var maxLen = 0;
for (var i = 0; i < n; ++i) {
if (lengths[i] > maxLen) maxLen = lengths[i];
}
// build the table
var size = 1 << maxLen;
var codes = new Uint32Array(size);
for (
var len = 1, code = 0, skip = 2;
len <= maxLen;
++len, code <<= 1, skip <<= 1
) {
for (var val = 0; val < n; ++val) {
if (lengths[val] == len) {
// bit-reverse the code
var code2 = 0;
var t = code;
for (var i = 0; i < len; ++i) {
code2 = (code2 << 1) | (t & 1);
t >>= 1;
}
// fill the table entries
for (var i = code2; i < size; i += skip) codes[i] = (len << 16) | val;
++code;
}
}
}
return [codes, maxLen];
};
constructor.prototype.readBlock = function() {
function repeat(stream, array, len, offset, what) {
var repeat = stream.getBits(len) + offset;
while (repeat-- > 0) array[i++] = what;
}
// read block header
var hdr = this.getBits(3);
if (hdr & 1) this.eof = true;
hdr >>= 1;
if (hdr == 0) {
// uncompressed block
var bytes = this.bytes;
var bytesPos = this.bytesPos;
var b;
if (typeof (b = bytes[bytesPos++]) == "undefined")
error("Bad block header in flate stream");
var blockLen = b;
if (typeof (b = bytes[bytesPos++]) == "undefined")
error("Bad block header in flate stream");
blockLen |= b << 8;
if (typeof (b = bytes[bytesPos++]) == "undefined")
error("Bad block header in flate stream");
var check = b;
if (typeof (b = bytes[bytesPos++]) == "undefined")
error("Bad block header in flate stream");
check |= b << 8;
if (check != (~blockLen & 0xffff))
error("Bad uncompressed block length in flate stream");
this.codeBuf = 0;
this.codeSize = 0;
var bufferLength = this.bufferLength;
var buffer = this.ensureBuffer(bufferLength + blockLen);
var end = bufferLength + blockLen;
this.bufferLength = end;
for (var n = bufferLength; n < end; ++n) {
if (typeof (b = bytes[bytesPos++]) == "undefined") {
this.eof = true;
break;
}
buffer[n] = b;
}
this.bytesPos = bytesPos;
return;
}
var litCodeTable;
var distCodeTable;
if (hdr == 1) {
// compressed block, fixed codes
litCodeTable = fixedLitCodeTab;
distCodeTable = fixedDistCodeTab;
} else if (hdr == 2) {
// compressed block, dynamic codes
var numLitCodes = this.getBits(5) + 257;
var numDistCodes = this.getBits(5) + 1;
var numCodeLenCodes = this.getBits(4) + 4;
// build the code lengths code table
var codeLenCodeLengths = Array(codeLenCodeMap.length);
var i = 0;
while (i < numCodeLenCodes)
codeLenCodeLengths[codeLenCodeMap[i++]] = this.getBits(3);
var codeLenCodeTab = this.generateHuffmanTable(codeLenCodeLengths);
// build the literal and distance code tables
var len = 0;
var i = 0;
var codes = numLitCodes + numDistCodes;
var codeLengths = new Array(codes);
while (i < codes) {
var code = this.getCode(codeLenCodeTab);