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Pierre Hubert
2016-11-19 12:08:12 +01:00
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8
3rdparty/pdf.js/examples/svgviewer/README.md vendored Executable file
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## PDF.js using SVG
This is a project for implementing alternate backend for PDF.js using Scalable Vector Graphics. This is still a WIP.
Take a look at [proposal](https://docs.google.com/document/d/1k4nPx1RrHbxXi94kSdvW5ay8KMkjwLmBEiCNupyzlwk/pub) for this project.
## Getting started
Take a look at src/display/svg.js to see the SVG rendering code.

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3rdparty/pdf.js/examples/svgviewer/index.html vendored Executable file
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<!DOCTYPE html>
<html>
<head>
<!-- In production, only one script (pdf.js) is necessary -->
<!-- In production, change the content of PDFJS.workerSrc below -->
<script src="../../src/shared/util.js"></script>
<script src="../../src/display/api.js"></script>
<script src="../../src/display/metadata.js"></script>
<script src="../../src/display/pattern_helper.js"></script>
<script src="../../src/display/font_loader.js"></script>
<script src="../../src/display/svg.js"></script>
<script>
// Specify the main script used to create a new PDF.JS web worker.
// In production, leave this undefined or change it to point to the
// combined `pdf.worker.js` file.
PDFJS.workerSrc = '../../src/worker_loader.js';
</script>
<script src="viewer.js"></script>
<style>
body {
background-color: gray;
}
.pageContainer {
border : 1px solid black;
margin : 5px auto;
background-color : white;
}
</style>
<title>SVG Viewer Example</title>
</head>
<body>
</body>
</html>

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3rdparty/pdf.js/examples/svgviewer/viewer.js vendored Executable file
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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: */
//
// See README for overview
//
'use strict';
// Parse query string to extract some parameters (it can fail for some input)
var query = document.location.href.replace(/^[^?]*(\?([^#]*))?(#.*)?/, '$2');
var queryParams = query ? JSON.parse('{' + query.split('&').map(function (a) {
return a.split('=').map(decodeURIComponent).map(JSON.stringify).join(': ');
}).join(',') + '}') : {};
var url = queryParams.file || '../../test/pdfs/liveprogramming.pdf';
var scale = +queryParams.scale || 1.5;
//
// Fetch the PDF document from the URL using promises
//
PDFJS.getDocument(url).then(function(pdf) {
var numPages = pdf.numPages;
// Using promise to fetch the page
// For testing only.
var MAX_NUM_PAGES = 50;
var ii = Math.min(MAX_NUM_PAGES, numPages);
var promise = Promise.resolve();
for (var i = 1; i <= ii; i++) {
var anchor = document.createElement('a');
anchor.setAttribute('name', 'page=' + i);
anchor.setAttribute('title', 'Page ' + i);
document.body.appendChild(anchor);
// Using promise to fetch and render the next page
promise = promise.then(function (pageNum, anchor) {
return pdf.getPage(pageNum).then(function (page) {
var viewport = page.getViewport(scale);
var container = document.createElement('div');
container.id = 'pageContainer' + pageNum;
container.className = 'pageContainer';
container.style.width = viewport.width + 'px';
container.style.height = viewport.height + 'px';
anchor.appendChild(container);
return page.getOperatorList().then(function (opList) {
var svgGfx = new PDFJS.SVGGraphics(page.commonObjs, page.objs);
return svgGfx.getSVG(opList, viewport).then(function (svg) {
container.appendChild(svg);
});
});
});
}.bind(null, i, anchor));
}
});