mirror of
https://github.com/mozilla/pdf.js.git
synced 2025-04-19 22:58:07 +02:00
Merge branch 'master' of https://github.com/andreasgal/pdf.js.git into hacks
This commit is contained in:
notmasteryet
commit
c35743f1cd
21 changed files with 540 additions and 261 deletions
BIN
web/compressed.tracemonkey-pldi-09.pdf
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BIN
web/compressed.tracemonkey-pldi-09.pdf
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web/images/buttons.png
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web/images/buttons.png
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After Width: | Height: | Size: 3.8 KiB |
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web/images/source/Buttons.psd.zip
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web/images/source/Buttons.psd.zip
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web/images/source/FileButton.psd.zip
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web/images/source/FileButton.psd.zip
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web/index.html.template
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88
web/index.html.template
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|
|
@ -0,0 +1,88 @@
|
|||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
<meta charset='utf-8'>
|
||||
|
||||
<title>andreasgal/pdf.js @ GitHub</title>
|
||||
|
||||
<style type="text/css">
|
||||
body {
|
||||
margin-top: 1.0em;
|
||||
background-color: #482a30;
|
||||
font-family: Helvetica, Arial, FreeSans, san-serif;
|
||||
color: #ffffff;
|
||||
}
|
||||
#container {
|
||||
margin: 0 auto;
|
||||
width: 700px;
|
||||
}
|
||||
h1 { font-size: 3.8em; color: #b7d5cf; margin-bottom: 3px; }
|
||||
h1 .small { font-size: 0.4em; }
|
||||
h1 a { text-decoration: none }
|
||||
h2 { font-size: 1.5em; color: #b7d5cf; }
|
||||
h3 { text-align: center; color: #b7d5cf; }
|
||||
a { color: #b7d5cf; }
|
||||
.description { font-size: 1.2em; margin-bottom: 30px; margin-top: 30px; font-style: italic;}
|
||||
.download { float: right; }
|
||||
pre { background: #000; color: #fff; padding: 15px;}
|
||||
hr { border: 0; width: 80%; border-bottom: 1px solid #aaa}
|
||||
.footer { text-align:center; padding-top:30px; font-style: italic; }
|
||||
</style>
|
||||
</head>
|
||||
|
||||
<body>
|
||||
<a href="http://github.com/andreasgal/pdf.js"><img style="position: absolute; top: 0; right: 0; border: 0;" src="http://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png" alt="Fork me on GitHub" /></a>
|
||||
|
||||
<div id="container">
|
||||
|
||||
<div class="download">
|
||||
<a href="http://github.com/andreasgal/pdf.js/zipball/master">
|
||||
<img border="0" width="90" src="http://github.com/images/modules/download/zip.png"></a>
|
||||
<a href="http://github.com/andreasgal/pdf.js/tarball/master">
|
||||
<img border="0" width="90" src="http://github.com/images/modules/download/tar.png"></a>
|
||||
</div>
|
||||
|
||||
<h1><a href="http://github.com/andreasgal/pdf.js">pdf.js</a>
|
||||
<span class="small">by <a href="http://github.com/andreasgal">andreasgal</a></span></h1>
|
||||
|
||||
<div class="description">
|
||||
PDF Reader in JavaScript
|
||||
</div>
|
||||
|
||||
<h2>Try it out!</h2>
|
||||
<p>Live <a href="web/multi_page_viewer.html">demo</a> lives here.</p>
|
||||
|
||||
<h2>Authors</h2>
|
||||
<p>Vivien Nicolas (21@vingtetun.org)
|
||||
<br/>Andreas Gal (andreas.gal@gmail.com)
|
||||
<br/>Soumya Deb (debloper@gmail.com)
|
||||
<br/>Chris Jones (jones.chris.g@gmail.com)
|
||||
<br/>Justin D'Arcangelo (justindarc@gmail.com)
|
||||
<br/>sbarman (sbarman@eecs.berkeley.edu)
|
||||
<br/>
|
||||
<br/> </p>
|
||||
<h2>Contact</h2>
|
||||
<p> (andreas.gal@gmail.com)
|
||||
<br/> </p>
|
||||
|
||||
|
||||
<h2>Download</h2>
|
||||
<p>
|
||||
You can download this project in either
|
||||
<a href="http://github.com/andreasgal/pdf.js/zipball/master">zip</a> or
|
||||
<a href="http://github.com/andreasgal/pdf.js/tarball/master">tar</a> formats.
|
||||
</p>
|
||||
<p>You can also clone the project with <a href="http://git-scm.com">Git</a>
|
||||
by running:
|
||||
<pre>$ git clone git://github.com/andreasgal/pdf.js</pre>
|
||||
</p>
|
||||
|
||||
<div class="footer">
|
||||
get the source code on GitHub : <a href="http://github.com/andreasgal/pdf.js">andreasgal/pdf.js</a>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
||||
|
||||
</body>
|
||||
</html>
|
||||
230
web/multi_page_viewer.css
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230
web/multi_page_viewer.css
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|
|
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|
|||
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
|
||||
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
|
||||
|
||||
body {
|
||||
background-color: #929292;
|
||||
font-family: 'Lucida Grande', 'Lucida Sans Unicode', Helvetica, Arial, Verdana, sans-serif;
|
||||
margin: 0px;
|
||||
padding: 0px;
|
||||
}
|
||||
|
||||
canvas {
|
||||
box-shadow: 0px 4px 10px #000;
|
||||
-moz-box-shadow: 0px 4px 10px #000;
|
||||
-webkit-box-shadow: 0px 4px 10px #000;
|
||||
}
|
||||
|
||||
span {
|
||||
font-size: 0.8em;
|
||||
}
|
||||
|
||||
.control {
|
||||
display: inline-block;
|
||||
float: left;
|
||||
margin: 0px 20px 0px 0px;
|
||||
padding: 0px 4px 0px 0px;
|
||||
}
|
||||
|
||||
.control > input {
|
||||
float: left;
|
||||
border: 1px solid #4d4d4d;
|
||||
height: 20px;
|
||||
padding: 0px;
|
||||
margin: 0px 2px 0px 0px;
|
||||
border-radius: 4px;
|
||||
-moz-border-radius: 4px;
|
||||
-webkit-border-radius: 4px;
|
||||
box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
|
||||
-moz-box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
|
||||
-webkit-box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
|
||||
}
|
||||
|
||||
.control > select {
|
||||
float: left;
|
||||
border: 1px solid #4d4d4d;
|
||||
height: 22px;
|
||||
padding: 2px 0px 0px;
|
||||
margin: 0px 0px 1px;
|
||||
border-radius: 4px;
|
||||
-moz-border-radius: 4px;
|
||||
-webkit-border-radius: 4px;
|
||||
box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
|
||||
-moz-box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
|
||||
-webkit-box-shadow: 0px 1px 0px rgba(255, 255, 255, 0.25);
|
||||
}
|
||||
|
||||
.control > span {
|
||||
cursor: default;
|
||||
float: left;
|
||||
height: 18px;
|
||||
margin: 5px 2px 0px;
|
||||
padding: 0px;
|
||||
user-select: none;
|
||||
-moz-user-select: none;
|
||||
-webkit-user-select: none;
|
||||
}
|
||||
|
||||
.control .label {
|
||||
clear: both;
|
||||
float: left;
|
||||
font-size: 0.65em;
|
||||
margin: 2px 0px 0px;
|
||||
position: relative;
|
||||
text-align: center;
|
||||
width: 100%;
|
||||
}
|
||||
|
||||
.thumbnailPageNumber {
|
||||
color: #fff;
|
||||
font-size: 0.55em;
|
||||
text-align: right;
|
||||
margin: -6px 2px 6px 0px;
|
||||
width: 102px;
|
||||
}
|
||||
|
||||
.thumbnail {
|
||||
width: 104px;
|
||||
height: 134px;
|
||||
margin: 0px auto 10px;
|
||||
}
|
||||
|
||||
.page {
|
||||
width: 816px;
|
||||
height: 1056px;
|
||||
margin: 10px auto;
|
||||
}
|
||||
|
||||
#controls {
|
||||
background-color: #eee;
|
||||
border-bottom: 1px solid #666;
|
||||
padding: 4px 0px 0px 8px;
|
||||
position: fixed;
|
||||
left: 0px;
|
||||
top: 0px;
|
||||
height: 40px;
|
||||
width: 100%;
|
||||
box-shadow: 0px 2px 8px #000;
|
||||
-moz-box-shadow: 0px 2px 8px #000;
|
||||
-webkit-box-shadow: 0px 2px 8px #000;
|
||||
}
|
||||
|
||||
#controls input {
|
||||
user-select: text;
|
||||
-moz-user-select: text;
|
||||
-webkit-user-select: text;
|
||||
}
|
||||
|
||||
#previousPageButton {
|
||||
background: url('images/buttons.png') no-repeat 0px -23px;
|
||||
cursor: default;
|
||||
display: inline-block;
|
||||
float: left;
|
||||
margin: 0px;
|
||||
width: 28px;
|
||||
height: 23px;
|
||||
}
|
||||
|
||||
#previousPageButton.down {
|
||||
background: url('images/buttons.png') no-repeat 0px -46px;
|
||||
}
|
||||
|
||||
#previousPageButton.disabled {
|
||||
background: url('images/buttons.png') no-repeat 0px 0px;
|
||||
}
|
||||
|
||||
#nextPageButton {
|
||||
background: url('images/buttons.png') no-repeat -28px -23px;
|
||||
cursor: default;
|
||||
display: inline-block;
|
||||
float: left;
|
||||
margin: 0px;
|
||||
width: 28px;
|
||||
height: 23px;
|
||||
}
|
||||
|
||||
#nextPageButton.down {
|
||||
background: url('images/buttons.png') no-repeat -28px -46px;
|
||||
}
|
||||
|
||||
#nextPageButton.disabled {
|
||||
background: url('images/buttons.png') no-repeat -28px 0px;
|
||||
}
|
||||
|
||||
#openFileButton {
|
||||
background: url('images/buttons.png') no-repeat -56px -23px;
|
||||
cursor: default;
|
||||
display: inline-block;
|
||||
float: left;
|
||||
margin: 0px 0px 0px 3px;
|
||||
width: 29px;
|
||||
height: 23px;
|
||||
}
|
||||
|
||||
#openFileButton.down {
|
||||
background: url('images/buttons.png') no-repeat -56px -46px;
|
||||
}
|
||||
|
||||
#openFileButton.disabled {
|
||||
background: url('images/buttons.png') no-repeat -56px 0px;
|
||||
}
|
||||
|
||||
#fileInput {
|
||||
display: none;
|
||||
}
|
||||
|
||||
#pageNumber {
|
||||
text-align: right;
|
||||
}
|
||||
|
||||
#sidebar {
|
||||
position: fixed;
|
||||
width: 200px;
|
||||
top: 62px;
|
||||
bottom: 18px;
|
||||
left: -140px;
|
||||
transition: left 0.25s ease-in-out 1s;
|
||||
-moz-transition: left 0.25s ease-in-out 1s;
|
||||
-webkit-transition: left 0.25s ease-in-out 1s;
|
||||
}
|
||||
|
||||
#sidebar:hover {
|
||||
left: 0px;
|
||||
transition: left 0.25s ease-in-out 0s;
|
||||
-moz-transition: left 0.25s ease-in-out 0s;
|
||||
-webkit-transition: left 0.25s ease-in-out 0s;
|
||||
}
|
||||
|
||||
#sidebarBox {
|
||||
background-color: rgba(0, 0, 0, 0.7);
|
||||
width: 150px;
|
||||
height: 100%;
|
||||
border-top-right-radius: 8px;
|
||||
border-bottom-right-radius: 8px;
|
||||
-moz-border-radius-topright: 8px;
|
||||
-moz-border-radius-bottomright: 8px;
|
||||
-webkit-border-top-right-radius: 8px;
|
||||
-webkit-border-bottom-right-radius: 8px;
|
||||
box-shadow: 0px 2px 8px #000;
|
||||
-moz-box-shadow: 0px 2px 8px #000;
|
||||
-webkit-box-shadow: 0px 2px 8px #000;
|
||||
}
|
||||
|
||||
#sidebarScrollView {
|
||||
position: absolute;
|
||||
overflow: hidden;
|
||||
overflow-y: auto;
|
||||
top: 10px;
|
||||
bottom: 10px;
|
||||
left: 10px;
|
||||
width: 130px;
|
||||
}
|
||||
|
||||
#sidebarContentView {
|
||||
height: auto;
|
||||
width: 100px;
|
||||
}
|
||||
|
||||
#viewer {
|
||||
margin: 44px 0px 0px;
|
||||
padding: 8px 0px;
|
||||
}
|
||||
55
web/multi_page_viewer.html
Normal file
55
web/multi_page_viewer.html
Normal file
|
|
@ -0,0 +1,55 @@
|
|||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
<title>pdf.js Multi-Page Viewer</title>
|
||||
<meta http-equiv="Content-type" content="text/html;charset=UTF-8"/>
|
||||
<link rel="stylesheet" href="multi_page_viewer.css" type="text/css" media="screen"/>
|
||||
<script type="text/javascript" src="../pdf.js"></script>
|
||||
<script type="text/javascript" src="../fonts.js"></script>
|
||||
<script type="text/javascript" src="../crypto.js"></script>
|
||||
<script type="text/javascript" src="../glyphlist.js"></script>
|
||||
<script type="text/javascript" src="multi_page_viewer.js"></script>
|
||||
</head>
|
||||
<body>
|
||||
<div id="controls">
|
||||
<span class="control">
|
||||
<span id="previousPageButton" class="disabled"></span>
|
||||
<span id="nextPageButton" class="disabled"></span>
|
||||
<span class="label">Previous/Next</span>
|
||||
</span>
|
||||
<span class="control">
|
||||
<input type="text" id="pageNumber" value="1" size="2"/>
|
||||
<span>/</span>
|
||||
<span id="numPages">--</span>
|
||||
<span class="label">Page Number</span>
|
||||
</span>
|
||||
<span class="control">
|
||||
<select id="scaleSelect">
|
||||
<option value="50">50%</option>
|
||||
<option value="75">75%</option>
|
||||
<option value="100">100%</option>
|
||||
<option value="125">125%</option>
|
||||
<option value="150" selected="selected">150%</option>
|
||||
<option value="200">200%</option>
|
||||
</select>
|
||||
<span class="label">Zoom</span>
|
||||
</span>
|
||||
<span class="control">
|
||||
<span id="openFileButton"></span>
|
||||
<input type="file" id="fileInput"/>
|
||||
<span class="label">Open File</span>
|
||||
</span>
|
||||
</div>
|
||||
|
||||
<!-- EXPERIMENTAL: Slide-out sidebar with page thumbnails (comment-out to disable) -->
|
||||
<div id="sidebar">
|
||||
<div id="sidebarBox">
|
||||
<div id="sidebarScrollView">
|
||||
<div id="sidebarContentView"></div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div id="viewer"></div>
|
||||
</body>
|
||||
</html>
|
||||
534
web/multi_page_viewer.js
Normal file
534
web/multi_page_viewer.js
Normal file
|
|
@ -0,0 +1,534 @@
|
|||
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
|
||||
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
|
||||
|
||||
"use strict";
|
||||
|
||||
var pageTimeout;
|
||||
|
||||
var PDFViewer = {
|
||||
queryParams: {},
|
||||
|
||||
element: null,
|
||||
|
||||
sidebarContentView: null,
|
||||
|
||||
previousPageButton: null,
|
||||
nextPageButton: null,
|
||||
pageNumberInput: null,
|
||||
scaleSelect: null,
|
||||
fileInput: null,
|
||||
|
||||
willJumpToPage: false,
|
||||
|
||||
pdf: null,
|
||||
|
||||
url: 'compressed.tracemonkey-pldi-09.pdf',
|
||||
pageNumber: 1,
|
||||
numberOfPages: 1,
|
||||
|
||||
scale: 1.0,
|
||||
|
||||
pageWidth: function(page) {
|
||||
var pdfToCssUnitsCoef = 96.0 / 72.0;
|
||||
var width = (page.mediaBox[2] - page.mediaBox[0]);
|
||||
return width * PDFViewer.scale * pdfToCssUnitsCoef;
|
||||
},
|
||||
|
||||
pageHeight: function(page) {
|
||||
var pdfToCssUnitsCoef = 96.0 / 72.0;
|
||||
var height = (page.mediaBox[3] - page.mediaBox[1]);
|
||||
return height * PDFViewer.scale * pdfToCssUnitsCoef;
|
||||
},
|
||||
|
||||
lastPagesDrawn: [],
|
||||
|
||||
visiblePages: function() {
|
||||
const pageBottomMargin = 10;
|
||||
var windowTop = window.pageYOffset;
|
||||
var windowBottom = window.pageYOffset + window.innerHeight;
|
||||
|
||||
var pageHeight, page;
|
||||
var i, n = PDFViewer.numberOfPages, currentHeight = pageBottomMargin;
|
||||
for (i = 1; i <= n; i++) {
|
||||
var page = PDFViewer.pdf.getPage(i);
|
||||
pageHeight = PDFViewer.pageHeight(page) + pageBottomMargin;
|
||||
if (currentHeight + pageHeight > windowTop)
|
||||
break;
|
||||
currentHeight += pageHeight;
|
||||
}
|
||||
|
||||
var pages = [];
|
||||
for (; i <= n && currentHeight < windowBottom; i++) {
|
||||
var page = PDFViewer.pdf.getPage(i);
|
||||
pageHeight = PDFViewer.pageHeight(page) + pageBottomMargin;
|
||||
currentHeight += pageHeight;
|
||||
pages.push(i);
|
||||
}
|
||||
|
||||
return pages;
|
||||
},
|
||||
|
||||
createThumbnail: function(num) {
|
||||
if (PDFViewer.sidebarContentView) {
|
||||
var anchor = document.createElement('a');
|
||||
anchor.href = '#' + num;
|
||||
|
||||
var containerDiv = document.createElement('div');
|
||||
containerDiv.id = 'thumbnailContainer' + num;
|
||||
containerDiv.className = 'thumbnail';
|
||||
|
||||
var pageNumberDiv = document.createElement('div');
|
||||
pageNumberDiv.className = 'thumbnailPageNumber';
|
||||
pageNumberDiv.innerHTML = '' + num;
|
||||
|
||||
anchor.appendChild(containerDiv);
|
||||
PDFViewer.sidebarContentView.appendChild(anchor);
|
||||
PDFViewer.sidebarContentView.appendChild(pageNumberDiv);
|
||||
}
|
||||
},
|
||||
|
||||
removeThumbnail: function(num) {
|
||||
var div = document.getElementById('thumbnailContainer' + num);
|
||||
|
||||
if (div) {
|
||||
while (div.hasChildNodes()) {
|
||||
div.removeChild(div.firstChild);
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
drawThumbnail: function(num) {
|
||||
if (!PDFViewer.pdf)
|
||||
return;
|
||||
|
||||
var div = document.getElementById('thumbnailContainer' + num);
|
||||
|
||||
if (div && !div.hasChildNodes()) {
|
||||
var page = PDFViewer.pdf.getPage(num);
|
||||
var canvas = document.createElement('canvas');
|
||||
|
||||
canvas.id = 'thumbnail' + num;
|
||||
canvas.mozOpaque = true;
|
||||
|
||||
var pageWidth = PDFViewer.pageWidth(page);
|
||||
var pageHeight = PDFViewer.pageHeight(page);
|
||||
var thumbScale = Math.min(104 / pageWidth, 134 / pageHeight);
|
||||
canvas.width = pageWidth * thumbScale;
|
||||
canvas.height = pageHeight * thumbScale;
|
||||
div.appendChild(canvas);
|
||||
|
||||
var ctx = canvas.getContext('2d');
|
||||
ctx.save();
|
||||
ctx.fillStyle = 'rgb(255, 255, 255)';
|
||||
ctx.fillRect(0, 0, canvas.width, canvas.height);
|
||||
ctx.restore();
|
||||
|
||||
var gfx = new CanvasGraphics(ctx);
|
||||
|
||||
// page.compile will collect all fonts for us, once we have loaded them
|
||||
// we can trigger the actual page rendering with page.display
|
||||
var fonts = [];
|
||||
page.compile(gfx, fonts);
|
||||
|
||||
FontLoader.bind(fonts, function() { page.display(gfx); });
|
||||
}
|
||||
},
|
||||
|
||||
createPage: function(num) {
|
||||
var page = PDFViewer.pdf.getPage(num);
|
||||
|
||||
var anchor = document.createElement('a');
|
||||
anchor.name = '' + num;
|
||||
|
||||
var div = document.createElement('div');
|
||||
div.id = 'pageContainer' + num;
|
||||
div.className = 'page';
|
||||
div.style.width = PDFViewer.pageWidth(page) + 'px';
|
||||
div.style.height = PDFViewer.pageHeight(page) + 'px';
|
||||
|
||||
PDFViewer.element.appendChild(anchor);
|
||||
PDFViewer.element.appendChild(div);
|
||||
},
|
||||
|
||||
removePage: function(num) {
|
||||
var div = document.getElementById('pageContainer' + num);
|
||||
|
||||
if (div) {
|
||||
while (div.hasChildNodes()) {
|
||||
div.removeChild(div.firstChild);
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
drawPage: function(num) {
|
||||
if (!PDFViewer.pdf)
|
||||
return;
|
||||
|
||||
var div = document.getElementById('pageContainer' + num);
|
||||
|
||||
if (div && !div.hasChildNodes()) {
|
||||
var page = PDFViewer.pdf.getPage(num);
|
||||
var canvas = document.createElement('canvas');
|
||||
|
||||
canvas.id = 'page' + num;
|
||||
canvas.mozOpaque = true;
|
||||
|
||||
canvas.width = PDFViewer.pageWidth(page);
|
||||
canvas.height = PDFViewer.pageHeight(page);
|
||||
div.appendChild(canvas);
|
||||
|
||||
var ctx = canvas.getContext('2d');
|
||||
ctx.save();
|
||||
ctx.fillStyle = 'rgb(255, 255, 255)';
|
||||
ctx.fillRect(0, 0, canvas.width, canvas.height);
|
||||
ctx.restore();
|
||||
|
||||
var gfx = new CanvasGraphics(ctx);
|
||||
|
||||
// page.compile will collect all fonts for us, once we have loaded them
|
||||
// we can trigger the actual page rendering with page.display
|
||||
var fonts = [];
|
||||
page.compile(gfx, fonts);
|
||||
|
||||
FontLoader.bind(fonts, function() { page.display(gfx); });
|
||||
}
|
||||
},
|
||||
|
||||
changeScale: function(num) {
|
||||
while (PDFViewer.element.hasChildNodes()) {
|
||||
PDFViewer.element.removeChild(PDFViewer.element.firstChild);
|
||||
}
|
||||
|
||||
PDFViewer.scale = num / 100;
|
||||
|
||||
var i;
|
||||
|
||||
if (PDFViewer.pdf) {
|
||||
for (i = 1; i <= PDFViewer.numberOfPages; i++) {
|
||||
PDFViewer.createPage(i);
|
||||
}
|
||||
}
|
||||
|
||||
for (i = 0; i < PDFViewer.scaleSelect.childNodes; i++) {
|
||||
var option = PDFViewer.scaleSelect.childNodes[i];
|
||||
|
||||
if (option.value == num) {
|
||||
if (!option.selected) {
|
||||
option.selected = 'selected';
|
||||
}
|
||||
} else {
|
||||
if (option.selected) {
|
||||
option.removeAttribute('selected');
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
PDFViewer.scaleSelect.value = Math.floor(PDFViewer.scale * 100) + '%';
|
||||
|
||||
// Clear the array of the last pages drawn to force a redraw.
|
||||
PDFViewer.lastPagesDrawn = [];
|
||||
|
||||
// Jump the scroll position to the correct page.
|
||||
PDFViewer.goToPage(PDFViewer.pageNumber);
|
||||
},
|
||||
|
||||
goToPage: function(num) {
|
||||
if (1 <= num && num <= PDFViewer.numberOfPages) {
|
||||
PDFViewer.pageNumber = num;
|
||||
PDFViewer.pageNumberInput.value = PDFViewer.pageNumber;
|
||||
PDFViewer.willJumpToPage = true;
|
||||
|
||||
if (document.location.hash.substr(1) == PDFViewer.pageNumber)
|
||||
// Force a "scroll event" to redraw
|
||||
setTimeout(window.onscroll, 0);
|
||||
document.location.hash = PDFViewer.pageNumber;
|
||||
|
||||
PDFViewer.previousPageButton.className = (PDFViewer.pageNumber === 1) ? 'disabled' : '';
|
||||
PDFViewer.nextPageButton.className = (PDFViewer.pageNumber === PDFViewer.numberOfPages) ? 'disabled' : '';
|
||||
}
|
||||
},
|
||||
|
||||
goToPreviousPage: function() {
|
||||
if (PDFViewer.pageNumber > 1) {
|
||||
PDFViewer.goToPage(--PDFViewer.pageNumber);
|
||||
}
|
||||
},
|
||||
|
||||
goToNextPage: function() {
|
||||
if (PDFViewer.pageNumber < PDFViewer.numberOfPages) {
|
||||
PDFViewer.goToPage(++PDFViewer.pageNumber);
|
||||
}
|
||||
},
|
||||
|
||||
openURL: function(url) {
|
||||
PDFViewer.url = url;
|
||||
document.title = url;
|
||||
|
||||
if (this.thumbsLoadingInterval) {
|
||||
// cancel thumbs loading operations
|
||||
clearInterval(this.thumbsLoadingInterval);
|
||||
this.thumbsLoadingInterval = null;
|
||||
}
|
||||
|
||||
var req = new XMLHttpRequest();
|
||||
req.open('GET', url);
|
||||
req.mozResponseType = req.responseType = 'arraybuffer';
|
||||
req.expected = (document.URL.indexOf('file:') === 0) ? 0 : 200;
|
||||
|
||||
req.onreadystatechange = function() {
|
||||
if (req.readyState === 4 && req.status === req.expected) {
|
||||
var data = req.mozResponseArrayBuffer || req.mozResponse || req.responseArrayBuffer || req.response;
|
||||
|
||||
PDFViewer.readPDF(data);
|
||||
}
|
||||
};
|
||||
|
||||
req.send(null);
|
||||
},
|
||||
|
||||
thumbsLoadingInterval: null,
|
||||
|
||||
readPDF: function(data) {
|
||||
while (PDFViewer.element.hasChildNodes()) {
|
||||
PDFViewer.element.removeChild(PDFViewer.element.firstChild);
|
||||
}
|
||||
|
||||
while (PDFViewer.sidebarContentView.hasChildNodes()) {
|
||||
PDFViewer.sidebarContentView.removeChild(PDFViewer.sidebarContentView.firstChild);
|
||||
}
|
||||
|
||||
PDFViewer.pdf = new PDFDoc(new Stream(data));
|
||||
PDFViewer.numberOfPages = PDFViewer.pdf.numPages;
|
||||
document.getElementById('numPages').innerHTML = PDFViewer.numberOfPages.toString();
|
||||
|
||||
for (var i = 1; i <= PDFViewer.numberOfPages; i++) {
|
||||
PDFViewer.createPage(i);
|
||||
}
|
||||
|
||||
if (PDFViewer.numberOfPages > 0) {
|
||||
PDFViewer.drawPage(1);
|
||||
document.location.hash = 1;
|
||||
|
||||
// slowly loading the thumbs (few per second)
|
||||
// first time we are loading more images than subsequent
|
||||
var currentPageIndex = 1, imagesToLoad = 15;
|
||||
this.thumbsLoadingInterval = setInterval((function() {
|
||||
while (imagesToLoad-- > 0) {
|
||||
if (currentPageIndex > PDFViewer.numberOfPages) {
|
||||
clearInterval(this.thumbsLoadingInterval);
|
||||
this.thumbsLoadingInterval = null;
|
||||
return;
|
||||
}
|
||||
PDFViewer.createThumbnail(currentPageIndex);
|
||||
PDFViewer.drawThumbnail(currentPageIndex);
|
||||
++currentPageIndex;
|
||||
}
|
||||
imagesToLoad = 3; // next time loading less images
|
||||
}).bind(this), 500);
|
||||
}
|
||||
|
||||
PDFViewer.previousPageButton.className = (PDFViewer.pageNumber === 1) ? 'disabled' : '';
|
||||
PDFViewer.nextPageButton.className = (PDFViewer.pageNumber === PDFViewer.numberOfPages) ? 'disabled' : '';
|
||||
}
|
||||
};
|
||||
|
||||
window.onload = function() {
|
||||
// Parse the URL query parameters into a cached object.
|
||||
PDFViewer.queryParams = function() {
|
||||
var qs = window.location.search.substring(1);
|
||||
var kvs = qs.split('&');
|
||||
var params = {};
|
||||
|
||||
for (var i = 0; i < kvs.length; ++i) {
|
||||
var kv = kvs[i].split('=');
|
||||
params[unescape(kv[0])] = unescape(kv[1]);
|
||||
}
|
||||
|
||||
return params;
|
||||
}();
|
||||
|
||||
PDFViewer.element = document.getElementById('viewer');
|
||||
|
||||
PDFViewer.sidebarContentView = document.getElementById('sidebarContentView');
|
||||
|
||||
PDFViewer.pageNumberInput = document.getElementById('pageNumber');
|
||||
PDFViewer.pageNumberInput.onkeydown = function(evt) {
|
||||
var charCode = evt.charCode || evt.keyCode;
|
||||
|
||||
// Up arrow key.
|
||||
if (charCode === 38) {
|
||||
PDFViewer.goToNextPage();
|
||||
this.select();
|
||||
}
|
||||
|
||||
// Down arrow key.
|
||||
else if (charCode === 40) {
|
||||
PDFViewer.goToPreviousPage();
|
||||
this.select();
|
||||
}
|
||||
|
||||
// All other non-numeric keys (excluding Left arrow, Right arrow,
|
||||
// Backspace, and Delete keys).
|
||||
else if ((charCode < 48 || charCode > 57) &&
|
||||
charCode !== 8 && // Backspace
|
||||
charCode !== 46 && // Delete
|
||||
charCode !== 37 && // Left arrow
|
||||
charCode !== 39 // Right arrow
|
||||
) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
};
|
||||
PDFViewer.pageNumberInput.onkeyup = function(evt) {
|
||||
var charCode = evt.charCode || evt.keyCode;
|
||||
|
||||
// All numeric keys, Backspace, and Delete.
|
||||
if ((charCode >= 48 && charCode <= 57) ||
|
||||
charCode === 8 || // Backspace
|
||||
charCode === 46 // Delete
|
||||
) {
|
||||
PDFViewer.goToPage(this.value);
|
||||
}
|
||||
|
||||
this.focus();
|
||||
};
|
||||
|
||||
PDFViewer.previousPageButton = document.getElementById('previousPageButton');
|
||||
PDFViewer.previousPageButton.onclick = function(evt) {
|
||||
if (this.className.indexOf('disabled') === -1) {
|
||||
PDFViewer.goToPreviousPage();
|
||||
}
|
||||
};
|
||||
PDFViewer.previousPageButton.onmousedown = function(evt) {
|
||||
if (this.className.indexOf('disabled') === -1) {
|
||||
this.className = 'down';
|
||||
}
|
||||
};
|
||||
PDFViewer.previousPageButton.onmouseup = function(evt) {
|
||||
this.className = (this.className.indexOf('disabled') !== -1) ? 'disabled' : '';
|
||||
};
|
||||
PDFViewer.previousPageButton.onmouseout = function(evt) {
|
||||
this.className = (this.className.indexOf('disabled') !== -1) ? 'disabled' : '';
|
||||
};
|
||||
|
||||
PDFViewer.nextPageButton = document.getElementById('nextPageButton');
|
||||
PDFViewer.nextPageButton.onclick = function(evt) {
|
||||
if (this.className.indexOf('disabled') === -1) {
|
||||
PDFViewer.goToNextPage();
|
||||
}
|
||||
};
|
||||
PDFViewer.nextPageButton.onmousedown = function(evt) {
|
||||
if (this.className.indexOf('disabled') === -1) {
|
||||
this.className = 'down';
|
||||
}
|
||||
};
|
||||
PDFViewer.nextPageButton.onmouseup = function(evt) {
|
||||
this.className = (this.className.indexOf('disabled') !== -1) ? 'disabled' : '';
|
||||
};
|
||||
PDFViewer.nextPageButton.onmouseout = function(evt) {
|
||||
this.className = (this.className.indexOf('disabled') !== -1) ? 'disabled' : '';
|
||||
};
|
||||
|
||||
PDFViewer.scaleSelect = document.getElementById('scaleSelect');
|
||||
PDFViewer.scaleSelect.onchange = function(evt) {
|
||||
PDFViewer.changeScale(parseInt(this.value));
|
||||
};
|
||||
|
||||
if (window.File && window.FileReader && window.FileList && window.Blob) {
|
||||
var openFileButton = document.getElementById('openFileButton');
|
||||
openFileButton.onclick = function(evt) {
|
||||
if (this.className.indexOf('disabled') === -1) {
|
||||
PDFViewer.fileInput.click();
|
||||
}
|
||||
};
|
||||
openFileButton.onmousedown = function(evt) {
|
||||
if (this.className.indexOf('disabled') === -1) {
|
||||
this.className = 'down';
|
||||
}
|
||||
};
|
||||
openFileButton.onmouseup = function(evt) {
|
||||
this.className = (this.className.indexOf('disabled') !== -1) ? 'disabled' : '';
|
||||
};
|
||||
openFileButton.onmouseout = function(evt) {
|
||||
this.className = (this.className.indexOf('disabled') !== -1) ? 'disabled' : '';
|
||||
};
|
||||
|
||||
PDFViewer.fileInput = document.getElementById('fileInput');
|
||||
PDFViewer.fileInput.onchange = function(evt) {
|
||||
var files = evt.target.files;
|
||||
|
||||
if (files.length > 0) {
|
||||
var file = files[0];
|
||||
var fileReader = new FileReader();
|
||||
|
||||
document.title = file.name;
|
||||
|
||||
// Read the local file into a Uint8Array.
|
||||
fileReader.onload = function(evt) {
|
||||
var data = evt.target.result;
|
||||
var buffer = new ArrayBuffer(data.length);
|
||||
var uint8Array = new Uint8Array(buffer);
|
||||
|
||||
for (var i = 0; i < data.length; i++) {
|
||||
uint8Array[i] = data.charCodeAt(i);
|
||||
}
|
||||
|
||||
PDFViewer.readPDF(uint8Array);
|
||||
};
|
||||
|
||||
// Read as a binary string since "readAsArrayBuffer" is not yet
|
||||
// implemented in Firefox.
|
||||
fileReader.readAsBinaryString(file);
|
||||
}
|
||||
};
|
||||
PDFViewer.fileInput.value = null;
|
||||
} else {
|
||||
document.getElementById('fileWrapper').style.display = 'none';
|
||||
}
|
||||
|
||||
PDFViewer.pageNumber = parseInt(PDFViewer.queryParams.page) || PDFViewer.pageNumber;
|
||||
PDFViewer.scale = parseInt(PDFViewer.scaleSelect.value) / 100 || 1.0;
|
||||
|
||||
PDFViewer.openURL(PDFViewer.queryParams.file || PDFViewer.url);
|
||||
|
||||
window.onscroll = function(evt) {
|
||||
var lastPagesDrawn = PDFViewer.lastPagesDrawn;
|
||||
var visiblePages = PDFViewer.visiblePages();
|
||||
|
||||
var pagesToDraw = [];
|
||||
var pagesToKeep = [];
|
||||
var pagesToRemove = [];
|
||||
|
||||
var i;
|
||||
|
||||
// Determine which visible pages were not previously drawn.
|
||||
for (i = 0; i < visiblePages.length; i++) {
|
||||
if (lastPagesDrawn.indexOf(visiblePages[i]) === -1) {
|
||||
pagesToDraw.push(visiblePages[i]);
|
||||
PDFViewer.drawPage(visiblePages[i]);
|
||||
} else {
|
||||
pagesToKeep.push(visiblePages[i]);
|
||||
}
|
||||
}
|
||||
|
||||
// Determine which previously drawn pages are no longer visible.
|
||||
for (i = 0; i < lastPagesDrawn.length; i++) {
|
||||
if (visiblePages.indexOf(lastPagesDrawn[i]) === -1) {
|
||||
pagesToRemove.push(lastPagesDrawn[i]);
|
||||
PDFViewer.removePage(lastPagesDrawn[i]);
|
||||
}
|
||||
}
|
||||
|
||||
PDFViewer.lastPagesDrawn = pagesToDraw.concat(pagesToKeep);
|
||||
|
||||
// Update the page number input with the current page number.
|
||||
if (!PDFViewer.willJumpToPage && visiblePages.length > 0) {
|
||||
PDFViewer.pageNumber = PDFViewer.pageNumberInput.value = visiblePages[0];
|
||||
PDFViewer.previousPageButton.className = (PDFViewer.pageNumber === 1) ? 'disabled' : '';
|
||||
PDFViewer.nextPageButton.className = (PDFViewer.pageNumber === PDFViewer.numberOfPages) ? 'disabled' : '';
|
||||
} else {
|
||||
PDFViewer.willJumpToPage = false;
|
||||
}
|
||||
};
|
||||
};
|
||||
36
web/viewer.css
Normal file
36
web/viewer.css
Normal file
|
|
@ -0,0 +1,36 @@
|
|||
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- /
|
||||
/* vim: set shiftwidth=4 tabstop=8 autoindent cindent expandtab: */
|
||||
|
||||
body {
|
||||
margin: 6px;
|
||||
padding: 0px;
|
||||
background-color: #c0bdb7;
|
||||
}
|
||||
|
||||
#controls {
|
||||
position:fixed;
|
||||
left: 0px;
|
||||
top: 0px;
|
||||
width: 100%;
|
||||
padding: 7px;
|
||||
border-bottom: 1px solid black;
|
||||
background-color: rgb(242, 240, 238);
|
||||
}
|
||||
|
||||
span#info {
|
||||
float: right;
|
||||
font: 14px sans-serif;
|
||||
margin-right: 10px;
|
||||
}
|
||||
|
||||
#viewer {
|
||||
}
|
||||
|
||||
#canvas {
|
||||
margin: auto;
|
||||
display: block;
|
||||
}
|
||||
|
||||
#pageNumber {
|
||||
text-align: right;
|
||||
}
|
||||
33
web/viewer.html
Normal file
33
web/viewer.html
Normal file
|
|
@ -0,0 +1,33 @@
|
|||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
<title>Simple pdf.js page viewer</title>
|
||||
<link rel="stylesheet" href="viewer.css"></link>
|
||||
|
||||
<!-- <script type="text/javascript" src="compatibility.js"></script> -->
|
||||
<script type="text/javascript" src="viewer.js"></script>
|
||||
<script type="text/javascript" src="../pdf.js"></script>
|
||||
<script type="text/javascript" src="../fonts.js"></script>
|
||||
<script type="text/javascript" src="../crypto.js"></script>
|
||||
<script type="text/javascript" src="../glyphlist.js"></script>
|
||||
</head>
|
||||
|
||||
<body onload="load();">
|
||||
<div id="controls">
|
||||
<input type="file" style="float: right; margin: auto 32px;" onChange="load(this.value.toString());"></input>
|
||||
<!-- This only opens supported PDFs from the source path...
|
||||
-- Can we use JSONP to overcome the same-origin restrictions? -->
|
||||
<button onclick="prevPage();">Previous</button>
|
||||
<button onclick="nextPage();">Next</button>
|
||||
<input type="text" id="pageNumber" onchange="gotoPage(this.value);"
|
||||
value="1" size="4"></input>
|
||||
<span id="numPages">--</span>
|
||||
<span id="info"></span>
|
||||
</div>
|
||||
|
||||
<div id="viewer">
|
||||
<canvas id="canvas"></canvas>
|
||||
</div>
|
||||
</body>
|
||||
</html>
|
||||
|
||||
113
web/viewer.js
Normal file
113
web/viewer.js
Normal file
|
|
@ -0,0 +1,113 @@
|
|||
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- /
|
||||
/* vim: set shiftwidth=4 tabstop=8 autoindent cindent expandtab: */
|
||||
|
||||
"use strict";
|
||||
|
||||
var pdfDocument, canvas, pageScale, pageDisplay, pageNum, numPages;
|
||||
function load(userInput) {
|
||||
canvas = document.getElementById("canvas");
|
||||
canvas.mozOpaque = true;
|
||||
pageNum = ("page" in queryParams()) ? parseInt(queryParams().page) : 1;
|
||||
pageScale = ("scale" in queryParams()) ? parseInt(queryParams().scale) : 1.5;
|
||||
var fileName = userInput;
|
||||
if (!userInput) {
|
||||
fileName = queryParams().file || "compressed.tracemonkey-pldi-09.pdf";
|
||||
}
|
||||
open(fileName);
|
||||
}
|
||||
|
||||
function queryParams() {
|
||||
var qs = window.location.search.substring(1);
|
||||
var kvs = qs.split("&");
|
||||
var params = { };
|
||||
for (var i = 0; i < kvs.length; ++i) {
|
||||
var kv = kvs[i].split("=");
|
||||
params[unescape(kv[0])] = unescape(kv[1]);
|
||||
}
|
||||
return params;
|
||||
}
|
||||
|
||||
function open(url) {
|
||||
document.title = url;
|
||||
var req = new XMLHttpRequest();
|
||||
req.open("GET", url);
|
||||
req.mozResponseType = req.responseType = "arraybuffer";
|
||||
req.expected = (document.URL.indexOf("file:") == 0) ? 0 : 200;
|
||||
req.onreadystatechange = function() {
|
||||
if (req.readyState == 4 && req.status == req.expected) {
|
||||
var data = req.mozResponseArrayBuffer || req.mozResponse ||
|
||||
req.responseArrayBuffer || req.response;
|
||||
pdfDocument = new PDFDoc(new Stream(data));
|
||||
numPages = pdfDocument.numPages;
|
||||
document.getElementById("numPages").innerHTML = numPages.toString();
|
||||
goToPage(pageNum);
|
||||
}
|
||||
};
|
||||
req.send(null);
|
||||
}
|
||||
|
||||
function gotoPage(num) {
|
||||
if (0 <= num && num <= numPages)
|
||||
pageNum = num;
|
||||
displayPage(pageNum);
|
||||
}
|
||||
|
||||
function displayPage(num) {
|
||||
document.getElementById("pageNumber").value = num;
|
||||
|
||||
var t0 = Date.now();
|
||||
|
||||
var page = pdfDocument.getPage(pageNum = num);
|
||||
|
||||
var pdfToCssUnitsCoef = 96.0 / 72.0;
|
||||
var pageWidth = (page.mediaBox[2] - page.mediaBox[0]);
|
||||
var pageHeight = (page.mediaBox[3] - page.mediaBox[1]);
|
||||
canvas.width = pageScale * pageWidth * pdfToCssUnitsCoef;
|
||||
canvas.height = pageScale * pageHeight * pdfToCssUnitsCoef;
|
||||
|
||||
var t1 = Date.now();
|
||||
var ctx = canvas.getContext("2d");
|
||||
ctx.save();
|
||||
ctx.fillStyle = "rgb(255, 255, 255)";
|
||||
ctx.fillRect(0, 0, canvas.width, canvas.height);
|
||||
ctx.restore();
|
||||
|
||||
var gfx = new CanvasGraphics(ctx);
|
||||
|
||||
// page.compile will collect all fonts for us, once we have loaded them
|
||||
// we can trigger the actual page rendering with page.display
|
||||
var fonts = [];
|
||||
page.compile(gfx, fonts);
|
||||
var t2 = Date.now();
|
||||
|
||||
function displayPage() {
|
||||
var t3 = Date.now();
|
||||
|
||||
page.display(gfx);
|
||||
|
||||
var t4 = Date.now();
|
||||
|
||||
var infoDisplay = document.getElementById("info");
|
||||
infoDisplay.innerHTML = "Time to load/compile/fonts/render: "+ (t1 - t0) + "/" + (t2 - t1) + "/" + (t3 - t2) + "/" + (t4 - t3) + " ms";
|
||||
}
|
||||
|
||||
// Always defer call to displayPage() to work around bug in
|
||||
// Firefox error reporting from XHR callbacks.
|
||||
FontLoader.bind(fonts, function () { setTimeout(displayPage, 0); });
|
||||
}
|
||||
|
||||
function nextPage() {
|
||||
if (pageNum < pdfDocument.numPages)
|
||||
displayPage(++pageNum);
|
||||
}
|
||||
|
||||
function prevPage() {
|
||||
if (pageNum > 1)
|
||||
displayPage(--pageNum);
|
||||
}
|
||||
|
||||
function goToPage(num) {
|
||||
if (0 <= num && num <= numPages)
|
||||
displayPage(pageNum = num);
|
||||
}
|
||||
|
||||
46
web/viewer_worker.html
Normal file
46
web/viewer_worker.html
Normal file
|
|
@ -0,0 +1,46 @@
|
|||
<html>
|
||||
<head>
|
||||
<title>Simple pdf.js page worker viewer</title>
|
||||
<script type="text/javascript" src="../fonts.js"></script>
|
||||
<script type="text/javascript" src="../glyphlist.js"></script>
|
||||
<script type="text/javascript" src="../pdf.js"></script>
|
||||
<script type="text/javascript" src="../worker/client.js"></script>
|
||||
<script>
|
||||
|
||||
|
||||
var pdfDoc;
|
||||
window.onload = function() {
|
||||
window.canvas = document.getElementById("canvas");
|
||||
window.ctx = canvas.getContext("2d");
|
||||
|
||||
pdfDoc = new WorkerPDFDoc(window.canvas);
|
||||
pdfDoc.onChangePage = function(numPage) {
|
||||
document.getElementById("pageNumber").value = numPage;
|
||||
}
|
||||
// pdfDoc.open("canvas.pdf", function() {
|
||||
pdfDoc.open("compressed.tracemonkey-pldi-09.pdf", function() {
|
||||
document.getElementById("numPages").innerHTML = "/" + pdfDoc.numPages;
|
||||
})
|
||||
}
|
||||
</script>
|
||||
<link rel="stylesheet" href="viewer.css"></link>
|
||||
</head>
|
||||
<body>
|
||||
<div id="controls">
|
||||
<input type="file" style="float: right; margin: auto 32px;" onChange="load(this.value.toString());"></input>
|
||||
<!-- This only opens supported PDFs from the source path...
|
||||
-- Can we use JSONP to overcome the same-origin restrictions? -->
|
||||
<button onclick="pdfDoc.prevPage();">Previous</button>
|
||||
<button onclick="pdfDoc.nextPage();">Next</button>
|
||||
<input type="text" id="pageNumber" onchange="pdfDoc.showPage(this.value);"
|
||||
value="1" size="4"></input>
|
||||
<span id="numPages">--</span>
|
||||
<span id="info"></span>
|
||||
</div>
|
||||
|
||||
<div id="viewer">
|
||||
<canvas id="canvas"></canvas>
|
||||
</div>
|
||||
</body>
|
||||
</html>
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue