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modules_outline.js.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>modules/outline.js - Documentation</title>
<script src="scripts/prettify/prettify.js"></script>
<script src="scripts/prettify/lang-css.js"></script>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="styles/prettify.css">
<link type="text/css" rel="stylesheet" href="styles/jsdoc.css">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<input type="checkbox" id="nav-trigger" class="nav-trigger" />
<label for="nav-trigger" class="navicon-button x">
<div class="navicon"></div>
</label>
<label for="nav-trigger" class="overlay"></label>
<nav>
<h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><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#addPage">addPage</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#deletePage">deletePage</a></li><li data-type='method'><a href="jsPDF.html#ellipse">ellipse</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#getFontList">getFontList</a></li><li data-type='method'><a href="jsPDF.html#getFontSize">getFontSize</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#lstext">lstext</a></li><li data-type='method'><a href="jsPDF.html#movePage">movePage</a></li><li data-type='method'><a href="jsPDF.html#output">output</a></li><li data-type='method'><a href="jsPDF.html#rect">rect</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#setCharSpace">setCharSpace</a></li><li data-type='method'><a href="jsPDF.html#setCreationDate">setCreationDate</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#setFontStyle">setFontStyle</a></li><li data-type='method'><a href="jsPDF.html#setLineCap">setLineCap</a></li><li data-type='method'><a href="jsPDF.html#setLineDash">setLineDash</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#setLineWidth">setLineWidth</a></li><li data-type='method'><a href="jsPDF.html#setMiterLimit">setMiterLimit</a></li><li data-type='method'><a href="jsPDF.html#setPage">setPage</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#text">text</a></li><li data-type='method'><a href="jsPDF.html#triangle">triangle</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#addButton">addButton</a></li><li data-type='method'><a href="module-AcroForm.html#addChoiceField">addChoiceField</a></li><li data-type='method'><a href="module-AcroForm.html#addField">addField</a></li><li data-type='method'><a href="module-AcroForm.html#addTextField">addTextField</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#~arrayBufferToBase64">arrayBufferToBase64</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#~convertStringToImageData">convertStringToImageData</a></li><li data-type='method'><a href="module-addImage.html#~createImageInfo">createImageInfo</a></li><li data-type='method'><a href="module-addImage.html#~extractImageFromDataUrl">extractImageFromDataUrl</a></li><li data-type='method'><a href="module-addImage.html#~extractInfoFromBase64DataURI">extractInfoFromBase64DataURI</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#~isString">isString</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#~arrayMax">arrayMax</a></li><li data-type='method'><a href="module-cell.html#~calculateLineHeight">calculateLineHeight</a></li><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#~cellInitialize">cellInitialize</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-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#~getArraySum">getArraySum</a></li><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#~addSvg">addSvg</a></li><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-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#addHTML">addHTML</a></li><li><a href="global.html#BmpDecoder">BmpDecoder</a></li><li><a href="global.html#SetsoptionsforBidiconversion">Sets options for Bidi conversion</a></li></ul>
</nav>
<div id="main">
<h1 class="page-title">modules/outline.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>/**
* @license
* Copyright (c) 2014 Steven Spungin (TwelveTone LLC) [email protected]
*
* Licensed under the MIT License.
* http://opensource.org/licenses/mit-license
*/
/**
* jsPDF Outline PlugIn
*
* Generates a PDF Outline
* @name outline
* @module
*/
;
(function(jsPDFAPI) {
'use strict';
jsPDFAPI.events.push([
'postPutResources', function() {
var pdf = this;
var rx = /^(\d+) 0 obj$/;
// Write action goto objects for each page
// this.outline.destsGoto = [];
// for (var i = 0; i < totalPages; i++) {
// var id = pdf.internal.newObject();
// this.outline.destsGoto.push(id);
// pdf.internal.write("<</D[" + (i * 2 + 3) + " 0 R /XYZ null
// null null]/S/GoTo>> endobj");
// }
//
// for (var i = 0; i < dests.length; i++) {
// pdf.internal.write("(page_" + (i + 1) + ")" + dests[i] + " 0
// R");
// }
//
if (this.outline.root.children.length > 0) {
var lines = pdf.outline.render().split(/\r\n/);
for (var i = 0; i < lines.length; i++) {
var line = lines[i];
var m = rx.exec(line);
if (m != null) {
var oid = m[1];
pdf.internal.newObjectDeferredBegin(oid, false);
}
pdf.internal.write(line);
}
}
// This code will write named destination for each page reference
// (page_1, etc)
if (this.outline.createNamedDestinations) {
var totalPages = this.internal.pages.length;
// WARNING: this assumes jsPDF starts on page 3 and pageIDs
// follow 5, 7, 9, etc
// Write destination objects for each page
var dests = [];
for (var i = 0; i < totalPages; i++) {
var id = pdf.internal.newObject();
dests.push(id);
var info = pdf.internal.getPageInfo(i+1);
pdf.internal.write("<< /D[" + info.objId + " 0 R /XYZ null null null]>> endobj");
}
// assign a name for each destination
var names2Oid = pdf.internal.newObject();
pdf.internal.write('<< /Names [ ');
for (var i = 0; i < dests.length; i++) {
pdf.internal.write("(page_" + (i + 1) + ")" + dests[i] + " 0 R");
}
pdf.internal.write(' ] >>', 'endobj');
// var kids = pdf.internal.newObject();
// pdf.internal.write('<< /Kids [ ' + names2Oid + ' 0 R');
// pdf.internal.write(' ] >>', 'endobj');
var namesOid = pdf.internal.newObject();
pdf.internal.write('<< /Dests ' + names2Oid + " 0 R");
pdf.internal.write('>>', 'endobj');
}
}
]);
jsPDFAPI.events.push([
'putCatalog', function() {
var pdf = this;
if (pdf.outline.root.children.length > 0) {
pdf.internal.write("/Outlines", this.outline.makeRef(this.outline.root));
if (this.outline.createNamedDestinations) {
pdf.internal.write("/Names " + namesOid + " 0 R");
}
// Open with Bookmarks showing
// pdf.internal.write("/PageMode /UseOutlines");
}
}
]);
jsPDFAPI.events.push([
'initialized', function() {
var pdf = this;
pdf.outline = {
createNamedDestinations : false,
root : {
children : []
}
};
var namesOid;
var destsGoto = [];
/**
* Options: pageNumber
*/
pdf.outline.add = function(parent,title,options) {
var item = {
title : title,
options : options,
children : []
};
if (parent == null) {
parent = this.root;
}
parent.children.push(item);
return item;
}
pdf.outline.render = function() {
this.ctx = {};
this.ctx.val = '';
this.ctx.pdf = pdf;
this.genIds_r(this.root);
this.renderRoot(this.root);
this.renderItems(this.root);
return this.ctx.val;
};
pdf.outline.genIds_r = function(node) {
node.id = pdf.internal.newObjectDeferred();
for (var i = 0; i < node.children.length; i++) {
this.genIds_r(node.children[i]);
}
};
pdf.outline.renderRoot = function(node) {
this.objStart(node);
this.line('/Type /Outlines');
if (node.children.length > 0) {
this.line('/First ' + this.makeRef(node.children[0]));
this.line('/Last ' + this.makeRef(node.children[node.children.length - 1]));
}
this.line('/Count ' + this.count_r({
count : 0
}, node));
this.objEnd();
};
pdf.outline.renderItems = function(node) {
var getHorizontalCoordinateString = this.ctx.pdf.internal.getCoordinateString;
var getVerticalCoordinateString = this.ctx.pdf.internal.getVerticalCoordinateString;
for (var i = 0; i < node.children.length; i++) {
var item = node.children[i];
this.objStart(item);
this.line('/Title ' + this.makeString(item.title));
this.line('/Parent ' + this.makeRef(node));
if (i > 0) {
this.line('/Prev ' + this.makeRef(node.children[i - 1]));
}
if (i < node.children.length - 1) {
this.line('/Next ' + this.makeRef(node.children[i + 1]));
}
if (item.children.length > 0) {
this.line('/First ' + this.makeRef(item.children[0]));
this.line('/Last ' + this.makeRef(item.children[item.children.length - 1]));
}
var count = this.count = this.count_r({
count : 0
}, item);
if (count > 0) {
this.line('/Count ' + count);
}
if (item.options) {
if (item.options.pageNumber) {
// Explicit Destination
//WARNING this assumes page ids are 3,5,7, etc.
var info = pdf.internal.getPageInfo(item.options.pageNumber);
this.line('/Dest ' + '[' + info.objId + ' 0 R /XYZ 0 ' + getVerticalCoordinateString(0) + ' 0]');
// this line does not work on all clients (pageNumber instead of page ref)
//this.line('/Dest ' + '[' + (item.options.pageNumber - 1) + ' /XYZ 0 ' + this.ctx.pdf.internal.pageSize.getHeight() + ' 0]');
// Named Destination
// this.line('/Dest (page_' + (item.options.pageNumber) + ')');
// Action Destination
// var id = pdf.internal.newObject();
// pdf.internal.write('<</D[' + (item.options.pageNumber - 1) + ' /XYZ null null null]/S/GoTo>> endobj');
// this.line('/A ' + id + ' 0 R' );
}
}
this.objEnd();
}
for (var i = 0; i < node.children.length; i++) {
var item = node.children[i];
this.renderItems(item);
}
};
pdf.outline.line = function(text) {
this.ctx.val += text + '\r\n';
};
pdf.outline.makeRef = function(node) {
return node.id + ' 0 R';
};
pdf.outline.makeString = function(val) {
return '(' + pdf.internal.pdfEscape(val) + ')';
};
pdf.outline.objStart = function(node) {
this.ctx.val += '\r\n' + node.id + ' 0 obj' + '\r\n<<\r\n';
};
pdf.outline.objEnd = function(node) {
this.ctx.val += '>> \r\n' + 'endobj' + '\r\n';
};
pdf.outline.count_r = function(ctx,node) {
for (var i = 0; i < node.children.length; i++) {
ctx.count++;
this.count_r(ctx, node.children[i]);
}
return ctx.count;
};
}
]);
return this;
})(jsPDF.API);
</code></pre>
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