Initial page

gh-pages
Christoph Oberhofer 11 years ago
parent cef5423e40
commit 78bb632ede

1
.gitignore vendored

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_site

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source 'https://rubygems.org'
gem 'github-pages'

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GEM
remote: https://rubygems.org/
specs:
RedCloth (4.2.9-x86-mingw32)
activesupport (4.1.7)
i18n (~> 0.6, >= 0.6.9)
json (~> 1.7, >= 1.7.7)
minitest (~> 5.1)
thread_safe (~> 0.1)
tzinfo (~> 1.1)
blankslate (2.1.2.4)
celluloid (0.16.0)
timers (~> 4.0.0)
classifier-reborn (2.0.1)
fast-stemmer (~> 1.0)
coffee-script (2.3.0)
coffee-script-source
execjs
coffee-script-source (1.8.0)
colorator (0.1)
execjs (2.2.2)
fast-stemmer (1.0.2)
ffi (1.9.6-x86-mingw32)
gemoji (2.1.0)
github-pages (28)
RedCloth (= 4.2.9)
jekyll (= 2.4.0)
jekyll-coffeescript (= 1.0.0)
jekyll-mentions (= 0.1.3)
jekyll-redirect-from (= 0.6.2)
jekyll-sass-converter (= 1.2.0)
jekyll-sitemap (= 0.6.0)
jemoji (= 0.3.0)
kramdown (= 1.3.1)
liquid (= 2.6.1)
maruku (= 0.7.0)
pygments.rb (= 0.6.0)
rdiscount (= 2.1.7)
redcarpet (= 3.1.2)
hitimes (1.2.2)
html-pipeline (1.9.0)
activesupport (>= 2)
nokogiri (~> 1.4)
i18n (0.6.11)
jekyll (2.4.0)
classifier-reborn (~> 2.0)
colorator (~> 0.1)
jekyll-coffeescript (~> 1.0)
jekyll-gist (~> 1.0)
jekyll-paginate (~> 1.0)
jekyll-sass-converter (~> 1.0)
jekyll-watch (~> 1.1)
kramdown (~> 1.3)
liquid (~> 2.6.1)
mercenary (~> 0.3.3)
pygments.rb (~> 0.6.0)
redcarpet (~> 3.1)
safe_yaml (~> 1.0)
toml (~> 0.1.0)
jekyll-coffeescript (1.0.0)
coffee-script (~> 2.2)
jekyll-gist (1.1.0)
jekyll-mentions (0.1.3)
html-pipeline (~> 1.9.0)
jekyll (~> 2.0)
jekyll-paginate (1.1.0)
jekyll-redirect-from (0.6.2)
jekyll (~> 2.0)
jekyll-sass-converter (1.2.0)
sass (~> 3.2)
jekyll-sitemap (0.6.0)
jekyll-watch (1.1.1)
listen (~> 2.7)
jemoji (0.3.0)
gemoji (~> 2.0)
html-pipeline (~> 1.9)
jekyll (~> 2.0)
json (1.8.1)
kramdown (1.3.1)
liquid (2.6.1)
listen (2.7.11)
celluloid (>= 0.15.2)
rb-fsevent (>= 0.9.3)
rb-inotify (>= 0.9)
maruku (0.7.0)
mercenary (0.3.4)
mini_portile (0.6.0)
minitest (5.4.2)
nokogiri (1.6.3.1-x86-mingw32)
mini_portile (= 0.6.0)
parslet (1.5.0)
blankslate (~> 2.0)
posix-spawn (0.3.9)
pygments.rb (0.6.0)
posix-spawn (~> 0.3.6)
yajl-ruby (~> 1.1.0)
rb-fsevent (0.9.4)
rb-inotify (0.9.5)
ffi (>= 0.5.0)
rdiscount (2.1.7)
redcarpet (3.1.2)
safe_yaml (1.0.4)
sass (3.4.7)
thread_safe (0.3.4)
timers (4.0.1)
hitimes
toml (0.1.2)
parslet (~> 1.5.0)
tzinfo (1.2.2)
thread_safe (~> 0.1)
yajl-ruby (1.1.0-x86-mingw32)
PLATFORMS
x86-mingw32
DEPENDENCIES
github-pages

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# QuaggaJS
An advanced barcode-scanner written in JavaScript

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name: QuaggaJS
markdown: redcarpet

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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="chrome=1">
<title>QuaggaJS, an advanced barcode-reader written in JavaScript</title>
<link rel="stylesheet" href="/stylesheets/styles.css">
<link rel="stylesheet" href="/stylesheets/pygment_trac.css">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
</head>
<body>
<div class="wrapper">
<header>
<h1><img src="{{ site.url }}/assets/code128.png" alt="QuaggaJS" /></h1>
<p>An advanced barcode-reader written in JavaScript</p>
<p class="view"><a href="https://github.com/serratus/quaggaJS">View the Project on GitHub <small>serratus/quaggaJS</small></a></p>
<ul>
<li><a href="https://github.com/serratus/quaggaJS/zipball/master">Download <strong>ZIP File</strong></a></li>
<li><a href="https://github.com/serratus/quaggaJS/tarball/master">Download <strong>TAR Ball</strong></a></li>
<li><a href="https://github.com/serratus/quaggaJS">Fork On <strong>GitHub</strong></a></li>
</ul>
</header>
<section>
<ul class="pages">
{% for subpage in site.pages %}
<li><a href="{{ subpage.url }}">{{ subpage.title }}</a></li>
{% endfor %}
</ul>
{{ content }}
</section>
<footer>
<p>This project is maintained by <a href="http://github.com/serratus">Christoph Oberhofer</a></p>
<p><small>Hosted on GitHub Pages &mdash; Theme by <a href="https://github.com/orderedlist">orderedlist</a></small></p>
</footer>
</div>
<script src="/javascripts/scale.fix.js"></script>
</body>
</html>

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---
layout: default
title: Examples
---
# Examples

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"My Github Page"

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---
layout: default
title: Home
---
quaggaJS
========
QuaggaJS is a barcode-scanner entirely written in JavaScript supporting real-time localization and decoding of various types of barcodes such as EAN and CODE128. The library is also configured to use `getUserMedia` to get direct access to the user's camera stream. Although the code contains some heavy image-processing parts even recent smartphones are capable of locating and decoding barcodes in real-time.
![teaser][teaser_left]![teaser][teaser_right]
## Yet another barcode library?
This is not yet another port of the great [zxing][zxing_github] library, but more of an extension to it. This implementation features a barcode locator which is capable of finding a barcode-like pattern in an image resulting in an estimated bounding box including rotation. Simply speaking, this reader is invariant in scale and rotation, whereas other libraries require the barcode to be aligned with the viewport.
## Requirements
In order to take full advantage of quaggaJS, the browser needs to support the `getUserMedia` API which is already implemented by the recent versions of Firefox, Chrome and Opera. The API is also available on their mobile counterparts installed on Android. Safari and IE do not allow the access to the camera yet, neither on desktop, nor on mobile. You can check [caniuse][caniuse_getusermedia] for updates.
In cases where real-time decoding is not needed, or the platform does not support `getUserMedia` QuaggaJS is also capable of decoding image-files.
## Installation
Just clone the repository and include `quagga.min.js` in your project. The code uses [requirejs][requirejs] for dependency management.
## Usage
The library exposes the following API
### quagga.init(config, callback)
This method initializes the library for a given configuration and a function which is called when the loading-process has finished. The initialization process also requests for camera access if real-time detection is configured.
### quagga.start()
When the library is initialized, the `start()` method starts the video-stream and begins locating and decoding the images.
### quagga.stop()
If the decoder is currently running, after calling `stop()` the decoder does not process any more images.
### onDetected(callback)
Registeres a callback function which is triggered whenever a barcode-pattern has been located and decoded successfully. The callback function is called with the decoded data as the first parameter.
### decodeSingle(config, callback)
In contrast to the calls described above, this method does not rely on `getUserMedia` and operates on a single image instead. The provided callback is the same as in `onDetected` and contains the decoded data as first parameter.
## Examples
The following example takes an image `src` as input and prints the result on the console. The decoder is configured to detect _Code128_ barcodes and enables the locating-mechanism for more robust results.
```javascript
quagga.decodeSingle({
readers: [quagga.Reader.Code128Reader],
locate: true, // try to locate the barcode in the image
src: src //'data:image/jpg;base64,' + data
}, function(result){
console.log(result);
});
```
[zxing_github]: https://github.com/zxing/zxing
[teaser_left]: https://github.com/serratus/quaggaJS/blob/master/doc/img/mobile-located.png
[teaser_right]: https://github.com/serratus/quaggaJS/blob/master/doc/img/mobile-detected.png
[caniuse_getusermedia]: http://caniuse.com/#feat=stream
[requirejs]: http://requirejs.org/

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var metas = document.getElementsByTagName('meta');
var i;
if (navigator.userAgent.match(/iPhone/i)) {
for (i=0; i<metas.length; i++) {
if (metas[i].name == "viewport") {
metas[i].content = "width=device-width, minimum-scale=1.0, maximum-scale=1.0";
}
}
document.addEventListener("gesturestart", gestureStart, false);
}
function gestureStart() {
for (i=0; i<metas.length; i++) {
if (metas[i].name == "viewport") {
metas[i].content = "width=device-width, minimum-scale=0.25, maximum-scale=1.6";
}
}
}

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@import url(https://fonts.googleapis.com/css?family=Lato:300italic,700italic,300,700);
body {
padding:50px;
font:14px/1.5 Lato, "Helvetica Neue", Helvetica, Arial, sans-serif;
color:#777;
font-weight:300;
}
h1, h2, h3, h4, h5, h6 {
color:#222;
margin:0 0 20px;
}
p, ul, ol, table, pre, dl {
margin:0 0 20px;
}
h1, h2, h3 {
line-height:1.1;
}
h1 {
font-size:28px;
}
h2 {
color:#393939;
}
h3, h4, h5, h6 {
color:#494949;
}
a {
color:#39c;
font-weight:400;
text-decoration:none;
}
a:hover {
color:#069;
}
a small {
font-size:11px;
color:#777;
margin-top:-0.6em;
display:block;
}
a:hover small {
color:#777;
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margin:0 auto;
}
blockquote {
border-left:1px solid #e5e5e5;
margin:0;
padding:0 0 0 20px;
font-style:italic;
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code, pre {
font-family:Monaco, Bitstream Vera Sans Mono, Lucida Console, Terminal, monospace;
color:#333;
font-size:12px;
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pre {
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background: #f8f8f8;
border-radius:5px;
border:1px solid #e5e5e5;
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table {
width:100%;
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}
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text-align:left;
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border-bottom:1px solid #e5e5e5;
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font-weight:700;
}
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}
img {
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}
header {
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float:left;
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}
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box-shadow:inset #fff 0 1px 0, inset rgba(0,0,0,0.03) 0 -1px 0;
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header li {
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background: linear-gradient(top, #fff 0%,#ddd 100%);
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box-shadow: inset 0px 2px 2px 0px #ddd;
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font-weight:700;
}
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border-left:1px solid #fff;
}
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width:89px;
}
header ul a strong {
font-size:14px;
display:block;
color:#222;
}
section {
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float:right;
padding-bottom:50px;
}
small {
font-size:11px;
}
hr {
border:0;
background:#e5e5e5;
height:1px;
margin:0 0 20px;
}
footer {
width:270px;
float:left;
position:fixed;
bottom:50px;
}
@media print, screen and (max-width: 960px) {
div.wrapper {
width:auto;
margin:0;
}
header, section, footer {
float:none;
position:static;
width:auto;
}
header {
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}
section {
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padding:20px 0;
margin:0 0 20px;
}
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}
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}
}
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body {
word-wrap:break-word;
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header {
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}
header ul, header p.view {
position:static;
}
pre, code {
word-wrap:normal;
}
}
@media print, screen and (max-width: 480px) {
body {
padding:15px;
}
header ul {
display:none;
}
}
@media print {
body {
padding:0.4in;
font-size:12pt;
color:#444;
}
}
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