master
Maksim 2019-01-29 00:19:54 -08:00
rodzic 4510054107
commit 1ae2248226
17 zmienionych plików z 14 dodań i 24470 usunięć

467
dist/app.css vendored
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@ -1,467 +0,0 @@
body {
width: 100%;
margin: 0;
padding: 0;
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
font-size: 14px;
line-height: 1.42857143;
color: #333;
background-color: #fff;
}
svg {
z-index: 1;
}
video {
width: 100px;
height: 100px;
display: block;
}
.settings-container {
-webkit-box-flex: 1;
-ms-flex: 1;
flex: 1;
}
.status-container {
-webkit-box-flex: 0;
-ms-flex: 0 0 100px;
flex: 0 0 100px;
}
#status {
display: inline-block;
width: 100px;
text-align: center;
padding-bottom: 10px;
}
p {
margin: 0;
padding: 0;
font-size: 12px;
}
.actions {
background-color: black;
color: white;
z-index: 100;
padding: 0;
margin: 0;
width: 100%;
height: 210px;
display: -webkit-box;
display: -ms-flexbox;
display: flex;
}
.sliders {
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-orient: horizontal;
-webkit-box-direction: normal;
-ms-flex-direction: row;
flex-direction: row;
-webkit-box-flex: 1;
-ms-flex: 1;
flex: 1;
}
.col-50 {
position: relative;
margin: 0;
padding: 10px;
-webkit-box-flex: 1;
-ms-flex: 1;
flex: 1;
}
#drawButton {
margin-top: 10px;
}
.rangeslider {
position: relative;
display: block;
cursor: pointer;
height: 25px;
width: 100%;
}
.rangeslider__fill,
.rangeslider__fill__bg {
display: block;
position: absolute;
top: 50%;
height: 2px;
z-index: 2;
background: #29e;
border-radius: 10px;
will-change: width;
}
.rangeslider__handle {
will-change: width, height, top;
width: 18px;
height: 18px;
position: absolute;
top: 50%;
background: #29e;
display: inline-block;
z-index: 3;
cursor: pointer;
border: solid 2px #ffffff;
border-radius: 50%;
-webkit-transition: width 0.1s ease-in-out, height 0.1s ease-in-out, top 0.1s ease-in-out;
transition: width 0.1s ease-in-out, height 0.1s ease-in-out, top 0.1s ease-in-out;
}
.rangeslider__handle:active {
background: #107ecd;
}
.rangeslider__fill__bg {
background: #ccc;
width: 100%;
}
.rangeslider--disabled {
opacity: 0.4;
}
.btn {
display: inline-block;
padding: 8px 8px;
margin-bottom: 0;
font-size: 14px;
font-weight: normal;
line-height: 1.42857143;
text-align: center;
white-space: nowrap;
vertical-align: middle;
-ms-touch-action: manipulation;
touch-action: manipulation;
cursor: pointer;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
background-image: none;
border: 1px solid transparent;
}
.btn:focus,
.btn:active:focus,
.btn.active:focus,
.btn.focus,
.btn:active.focus,
.btn.active.focus {
outline: thin dotted;
outline: 5px auto -webkit-focus-ring-color;
outline-offset: -2px;
}
.btn:hover,
.btn:focus,
.btn.focus {
color: #333;
text-decoration: none;
}
.btn:active,
.btn.active {
background-image: none;
outline: 0;
-webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
}
.btn.disabled,
.btn[disabled],
fieldset[disabled] .btn {
cursor: not-allowed;
filter: alpha(opacity=65);
-webkit-box-shadow: none;
box-shadow: none;
opacity: .65;
}
a.btn.disabled,
fieldset[disabled] a.btn {
pointer-events: none;
}
.btn-primary {
color: #fff;
background-color: #337ab7;
border-color: #2e6da4;
}
.btn-primary:focus,
.btn-primary.focus {
color: #fff;
background-color: #286090;
border-color: #122b40;
}
.btn-primary:hover {
color: #fff;
background-color: #286090;
border-color: #204d74;
}
.btn-primary:active,
.btn-primary.active,
.open > .dropdown-toggle.btn-primary {
color: #fff;
background-color: #286090;
border-color: #204d74;
}
.btn-primary:active:hover,
.btn-primary.active:hover,
.open > .dropdown-toggle.btn-primary:hover,
.btn-primary:active:focus,
.btn-primary.active:focus,
.open > .dropdown-toggle.btn-primary:focus,
.btn-primary:active.focus,
.btn-primary.active.focus,
.open > .dropdown-toggle.btn-primary.focus {
color: #fff;
background-color: #204d74;
border-color: #122b40;
}
.btn-primary:active,
.btn-primary.active,
.open > .dropdown-toggle.btn-primary {
background-image: none;
}
.btn-primary.disabled:hover,
.btn-primary[disabled]:hover,
fieldset[disabled] .btn-primary:hover,
.btn-primary.disabled:focus,
.btn-primary[disabled]:focus,
fieldset[disabled] .btn-primary:focus,
.btn-primary.disabled.focus,
.btn-primary[disabled].focus,
fieldset[disabled] .btn-primary.focus {
background-color: #337ab7;
border-color: #2e6da4;
}
.btn-success {
color: #fff;
background-color: #5cb85c;
border-color: #4cae4c;
}
.btn-success:focus,
.btn-success.focus {
color: #fff;
background-color: #449d44;
border-color: #255625;
}
.btn-success:hover {
color: #fff;
background-color: #449d44;
border-color: #398439;
}
.btn-success:active,
.btn-success.active,
.open > .dropdown-toggle.btn-success {
color: #fff;
background-color: #449d44;
border-color: #398439;
}
.btn-success:active:hover,
.btn-success.active:hover,
.open > .dropdown-toggle.btn-success:hover,
.btn-success:active:focus,
.btn-success.active:focus,
.open > .dropdown-toggle.btn-success:focus,
.btn-success:active.focus,
.btn-success.active.focus,
.open > .dropdown-toggle.btn-success.focus {
color: #fff;
background-color: #398439;
border-color: #255625;
}
.btn-success:active,
.btn-success.active,
.open > .dropdown-toggle.btn-success {
background-image: none;
}
.btn-success.disabled:hover,
.btn-success[disabled]:hover,
fieldset[disabled] .btn-success:hover,
.btn-success.disabled:focus,
.btn-success[disabled]:focus,
fieldset[disabled] .btn-success:focus,
.btn-success.disabled.focus,
.btn-success[disabled].focus,
fieldset[disabled] .btn-success.focus {
background-color: #5cb85c;
border-color: #4cae4c;
}
.btn-info {
color: #fff;
background-color: #5bc0de;
border-color: #46b8da;
}
.btn-info:focus,
.btn-info.focus {
color: #fff;
background-color: #31b0d5;
border-color: #1b6d85;
}
.btn-info:hover {
color: #fff;
background-color: #31b0d5;
border-color: #269abc;
}
.btn-info:active,
.btn-info.active,
.open > .dropdown-toggle.btn-info {
color: #fff;
background-color: #31b0d5;
border-color: #269abc;
}
.btn-info:active:hover,
.btn-info.active:hover,
.open > .dropdown-toggle.btn-info:hover,
.btn-info:active:focus,
.btn-info.active:focus,
.open > .dropdown-toggle.btn-info:focus,
.btn-info:active.focus,
.btn-info.active.focus,
.open > .dropdown-toggle.btn-info.focus {
color: #fff;
background-color: #269abc;
border-color: #1b6d85;
}
.btn-info:active,
.btn-info.active,
.open > .dropdown-toggle.btn-info {
background-image: none;
}
.btn-info.disabled:hover,
.btn-info[disabled]:hover,
fieldset[disabled] .btn-info:hover,
.btn-info.disabled:focus,
.btn-info[disabled]:focus,
fieldset[disabled] .btn-info:focus,
.btn-info.disabled.focus,
.btn-info[disabled].focus,
fieldset[disabled] .btn-info.focus {
background-color: #5bc0de;
border-color: #46b8da;
}
.btn-danger {
color: #fff;
background-color: #d9534f;
border-color: #d43f3a;
}
.btn-danger:focus,
.btn-danger.focus {
color: #fff;
background-color: #c9302c;
border-color: #761c19;
}
.btn-danger:hover {
color: #fff;
background-color: #c9302c;
border-color: #ac2925;
}
.btn-danger:active,
.btn-danger.active,
.open > .dropdown-toggle.btn-danger {
color: #fff;
background-color: #c9302c;
border-color: #ac2925;
}
.btn-danger:active:hover,
.btn-danger.active:hover,
.open > .dropdown-toggle.btn-danger:hover,
.btn-danger:active:focus,
.btn-danger.active:focus,
.open > .dropdown-toggle.btn-danger:focus,
.btn-danger:active.focus,
.btn-danger.active.focus,
.open > .dropdown-toggle.btn-danger.focus {
color: #fff;
background-color: #ac2925;
border-color: #761c19;
}
.btn-danger:active,
.btn-danger.active,
.open > .dropdown-toggle.btn-danger {
background-image: none;
}
.btn-danger.disabled:hover,
.btn-danger[disabled]:hover,
fieldset[disabled] .btn-danger:hover,
.btn-danger.disabled:focus,
.btn-danger[disabled]:focus,
fieldset[disabled] .btn-danger:focus,
.btn-danger.disabled.focus,
.btn-danger[disabled].focus,
fieldset[disabled] .btn-danger.focus {
background-color: #d9534f;
border-color: #d43f3a;
}
a {
background-color: transparent;
}
a:active,
a:hover {
outline: 0;
}
a {
color: #337ab7;
text-decoration: none;
}
a:hover,
a:focus {
color: #23527c;
text-decoration: underline;
}
a:focus {
outline: thin dotted;
outline: 5px auto -webkit-focus-ring-color;
outline-offset: -2px;
}
.btn-block {
display: block;
width: 100%;
}

22911
dist/app.js vendored

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151
dist/imageAnalyzer.js vendored
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/******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId]) {
/******/ return installedModules[moduleId].exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ i: moduleId,
/******/ l: false,
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ // Flag the module as loaded
/******/ module.l = true;
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/******/
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/
/******/ // define getter function for harmony exports
/******/ __webpack_require__.d = function(exports, name, getter) {
/******/ if(!__webpack_require__.o(exports, name)) {
/******/ Object.defineProperty(exports, name, {
/******/ configurable: false,
/******/ enumerable: true,
/******/ get: getter
/******/ });
/******/ }
/******/ };
/******/
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = function(module) {
/******/ var getter = module && module.__esModule ?
/******/ function getDefault() { return module['default']; } :
/******/ function getModuleExports() { return module; };
/******/ __webpack_require__.d(getter, 'a', getter);
/******/ return getter;
/******/ };
/******/
/******/ // Object.prototype.hasOwnProperty.call
/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ // __webpack_public_path__
/******/ __webpack_require__.p = "";
/******/
/******/ // Load entry module and return exports
/******/ return __webpack_require__(__webpack_require__.s = 467);
/******/ })
/************************************************************************/
/******/ ({
/***/ 467:
/***/ (function(module, exports, __webpack_require__) {
module.exports = __webpack_require__(468);
/***/ }),
/***/ 468:
/***/ (function(module, exports) {
/**
* imageAnalyzer Web Worker accepts image data and configuration parameters
* and returns array of x,y coordinates to draw squiggles
*
* It analyzes pixels for their average brightness and if brightness is closer to 0 -> makes lines less
* squiggly, if closer to 255 -> more squiggly
*
* This script runs in a webWorker thread in order to speed up processing of the image and
* to detach the processing from the UI updates
*
* Majority of the logic in this script is taken from https://github.com/gwygonik/SquiggleDraw for the following exceptions:
* - I implemented contrast adjustment that can be helpful in certain light conditions
* - I increased the processing speed by removing unnecessary assignments and moving variable
* declarations out of the processing loop
*/
self.addEventListener('message', function (e) {
// Gather all necessary data from the main thread
var config = e.data.config;
var imagePixels = e.data.data;
var width = e.data.config.WIDTH;
var height = e.data.config.HEIGHT;
// Create some defaults for squiggle-point array
var squiggleData = [];
var r = 5;
var a = 0;
var b = void 0;
var z = void 0;
var currentCoordinates = []; // create empty array for storing x,y coordinate pairs
var currentVerticalPixelIndex = 0;
var currentHorizontalPixelIndex = 0;
var contrastFactor = 259 * (config.CONTRAST_ADJUSTMENT + 255) / (255 * (259 - config.CONTRAST_ADJUSTMENT)); // This was established through experiments
var horizontalLineSpacing = Math.floor(height / config.LINE_COUNT); // Number of pixels to advance in vertical direction
// Iterate line by line (top line to bottom line) in increments of horizontalLineSpacing
for (var y = 0; y < height; y += horizontalLineSpacing) {
a = 0;
currentCoordinates = [];
currentCoordinates.push([0, y]); // Start the line
currentVerticalPixelIndex = y * width; // Because Image Pixel array is of length width * height,
// starting pixel for each line will be this
// Loop through pixels from left to right within the current line, advancing by increments of config.SPACING
for (var x = 1; x < width; x += config.SPACING) {
currentHorizontalPixelIndex = x + currentVerticalPixelIndex; // Get array position of current pixel
// When there is contrast adjustment, the calculations of brightness values are a bit different
if (config.CONTRAST_ADJUSTMENT !== 0) {
// Determine how bright a pixel is, from 0 to 255 by summing three channels (R,G,B) multiplied by some coefficients
b = 0.2125 * (contrastFactor * (imagePixels.data[4 * currentHorizontalPixelIndex] - 128) + 128 + config.BRIGHTNESS_ADJUSTMENT) + 0.7154 * (contrastFactor * (imagePixels.data[4 * (currentHorizontalPixelIndex + 1)] - 128) + 128 + config.BRIGHTNESS_ADJUSTMENT) + 0.0721 * (contrastFactor * (imagePixels.data[4 * (currentHorizontalPixelIndex + 2)] - 128) + 128 + config.BRIGHTNESS_ADJUSTMENT);
} else {
b = 0.2125 * (imagePixels.data[4 * currentHorizontalPixelIndex] + config.BRIGHTNESS_ADJUSTMENT) + 0.7154 * (imagePixels.data[4 * (currentHorizontalPixelIndex + 1)] + config.BRIGHTNESS_ADJUSTMENT) + 0.0721 * (imagePixels.data[4 * (currentHorizontalPixelIndex + 2)] + config.BRIGHTNESS_ADJUSTMENT);
}
b = Math.max(config.MIN_BRIGHTNESS, b); // Set minimum line curvature to value set by the user
z = Math.max(config.MAX_BRIGHTNESS - b, 0); // Set maximum line curvature to value set by the user
// The magic of the script, determines how high / low the squiggle goes
r = config.AMPLITUDE * z / config.LINE_COUNT;
a += z / config.FREQUENCY;
currentCoordinates.push([x, y + Math.sin(a) * r]);
}
squiggleData.push(currentCoordinates);
}
self.postMessage(squiggleData);
}, false);
/***/ })
/******/ });

65
dist/index.html vendored
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<html>
<head>
<meta charset="UTF-8">
<title>SquiggleCam - capture a selfie, turn it into art</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="apple-mobile-web-app-capable" content="yes"/>
<meta name="mobile-web-app-capable" content="yes">
<link rel="stylesheet" href="app.css">
</head>
<body>
<canvas id="canvas" width="800" height="600" style="display: none;"></canvas>
<div class="actions">
<div class="settings-container">
<div id="settings">
<div class="sliders">
<div class="col-50">
<label for="lineCount">Line Count (1...200):</label> <span id="lineCountValue">90</span>
<input id="lineCount" name="lineCount" type="range" min="1" max="200" value="90" step="1">
</div>
<div class="col-50">
<label for="amplitude">Amplitude (0.1...5): </label> <span id="amplitudeValue">1.2</span>
<input name="amplitude" id="amplitude" type="range" min="0.1" max="5" value="1.2" step="0.05">
</div>
</div>
<div class="sliders">
<div class="col-50">
<label for="lineSpacing">Pixel Spacing (0.5...5):</label> <span id="lineSpacingValue">1</span>
<input id="lineSpacing" name="lineSpacing" type="range" min="0.5" max="5" value="1" step="0.5">
</div>
<div class="col-50">
<label for="frequency">Frequency (5...256): </label> <span id="frequencyValue">135</span>
<input name="frequency" id="frequency" type="range" min="5" max="256" value="135" step="1">
</div>
</div>
<div class="sliders">
<div class="col-50">
<label for="brightness">Brightness (-100...100):</label> <span id="brightnessValue">0</span>
<input id="brightness" name="brightness" type="range" min="-100" max="100" value="0" step="1">
</div>
<div class="col-50">
<label for="contrast">Contrast (-100...100): </label> <span id="contrastValue">0</span>
<input id="contrast" name="contrast" type="range" min="-100" max="100" value="0" step="1">
</div>
</div>
</div>
</div>
<div class="status-container">
<div id="status">
<video autoplay width="800" height="600"></video>
<a href="#" id="captureButton" class="btn btn-lg btn-success">Capture</a>
<a href="#" id="drawButton" class="btn btn-lg btn-primary" style="display: none;">Download</a>
</div>
</div>
</div>
<div id="svg-placeholder"></div>
<script src="app.js"></script>
<script src="//localhost:35729/livereload.js"></script>
</body>
</html>

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@ -3,7 +3,11 @@
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<title>image-editor</title>
<title>SquiggleCam - capture a selfie, turn it into art</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="apple-mobile-web-app-capable" content="yes"/>
<meta name="mobile-web-app-capable" content="yes">
<link rel="stylesheet" href="https://maxcdn.icons8.com/fonts/line-awesome/1.1/css/line-awesome-font-awesome.min.css">
</head>

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@ -1,43 +1,17 @@
{
<<<<<<< HEAD
"name": "SquiggleCam",
"version": "1.0.0",
"version": "2.0.0",
"description": "Turn Images into squiggles for CNC machining",
"main": "index.js",
"scripts": {
"dev": "NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
"watch": "NODE_ENV=development node_modules/webpack/bin/webpack.js --watch --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
"hot": "NODE_ENV=development webpack-dev-server --inline --hot --config=node_modules/laravel-mix/setup/webpack.config.js",
"production": "NODE_ENV=production node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js"
},
"keywords": ["SquiggleDraw", "CNC", "SVG", "Laser Cutting"],
"author": "Maksim Surguy",
"license": "MIT",
"devDependencies": {
"browser-sync": "^2.18.13",
"browser-sync-webpack-plugin": "^1.2.0",
"laravel-mix": "^1.6.1",
"webpack-livereload-plugin": "^1.0.0"
},
"dependencies": {
"d3": "^4.11.0",
"rangeslider-js": "^3.0.2"
}
=======
"name": "image-editor",
"version": "1.0.0",
"description": "Image editor",
"author": "Maksim <msurguy@uw.edu>",
"private": true,
"author": "Maksim <msurguy@gmail.com>",
"keywords": ["SquiggleDraw", "CNC", "SVG", "Laser Cutting"],
"scripts": {
"dev": "webpack-dev-server --inline --progress --config build/webpack.dev.conf.js",
"start": "npm run dev",
"build": "node build/build.js"
},
"dependencies": {
"cropperjs": "^1.4.3",
"normalize.css": "^8.0.1",
"pica": "^5.0.0",
"vue": "^2.5.2",
"vue-croppa": "^1.3.8",
"vue-worker": "^1.2.1"
@ -90,5 +64,4 @@
"last 2 versions",
"not ie <= 8"
]
>>>>>>> Initial commmit
}

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<div class="credits">
<p>
Project by <a target="_blank" href="http://twitter.com/msurguy">@msurguy</a>
<br>Source on <span class="fa fa-github"></span><a href="http://github.com/msurguys/SquiggleCam">Github</a>
Project by <a target="_blank" href="http://twitter.com/msurguy">@msurguy</a> (<span class="fa fa-github"></span><a target="_blank" href="http://github.com/msurguy/SquiggleCam">Source</a>)
<br>Based upon
<a target="_blank" href="https://github.com/gwygonik/SquiggleDraw">SquiggleDraw</a>
</p>
</div>

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import * as d3 from "d3" // TODO: only import d3 modules that are needed for this script;
/**
* Simple class that takes point array and creates SVG lines connecting the points line by line
*/
export default class Renderer {
constructor(opts) {
// get data array and element reference
this.data = opts.data;
this.element = opts.element;
// Create an empty group that will store all lines
this.plot = this.element.append('g');
this.thickness = opts.thickness; // Set line thickness
this.addLines(); // Generate lines from array of points
}
addLines() {
// Create paths with array of points
let lines = this.plot.selectAll("path")
.data(this.data);
// Use first coordinate from data array point as X coordinate, second as Y coordinate
let drawLine = d3.line()
.x(function(d) {
return d[0];
})
.y(function(d) {
return d[1];
});
//.curve(d3.curveNatural); // You can try setting some curvature for the
// generated lines (see http://bl.ocks.org/d3indepth/b6d4845973089bc1012dec1674d3aff8)
// update the paths to reflect the latest data in the data array
lines.enter().append("path")
.attr("stroke", "black")
.attr("stroke-width", this.thickness + "px")
.attr("fill", "none")
.merge(lines)
.attr("d", (d) => {
return drawLine(d)
});
// remove old lines from previous dataset
lines.exit().remove();
}
// setThickness(thickness) {
// this.thickness = thickness;
// this.plot.selectAll("path")
// .attr("stroke-width", this.thickness + "px");
// }
/**
* sets local data array to new array and updates the lines
* @param newData
*/
setData(newData) {
this.data = newData;
this.addLines();
}
}

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import * as d3 from "d3";
import Renderer from "./Renderer";
import rangesliderJs from 'rangeslider-js';
let worker = new Worker('imageAnalyzer.js');
let imagePixels = [];
// get the canvas and video elements
const canvas = document.getElementById("canvas");
const context = canvas.getContext('2d');
const video = document.querySelector('video');
// HTML Elements for the sliders
const lineCountValueEl = document.getElementById('lineCountValue');
const amplitudeValueEl = document.getElementById('amplitudeValue');
const lineSpacingValueEl = document.getElementById('lineSpacingValue');
const frequencyValueEl = document.getElementById('frequencyValue');
const brightnessValueEl = document.getElementById('brightnessValue');
const contrastValueEl = document.getElementById('contrastValue');
const lineCountValue = document.getElementById('lineCount');
const amplitudeValue = document.getElementById('amplitude');
const lineSpacingValue = document.getElementById('lineSpacing');
const frequencyValue = document.getElementById('frequency');
const brightnessValue = document.getElementById('brightness');
const contrastValue = document.getElementById('contrast');
const captureButton = document.getElementById('captureButton');
const drawButton = document.getElementById('drawButton');
const config = {
LINE_COUNT: 90,
AMPLITUDE: 1.2,
SPACING: 1,
FREQUENCY: 135,
LINE_WIDTH: 2,
BRIGHTNESS_ADJUSTMENT: 0,
CONTRAST_ADJUSTMENT: 0,
MIN_BRIGHTNESS : 0,
MAX_BRIGHTNESS: 255,
WIDTH: 550, // Resulting SVG width, in pixels
HEIGHT: 550 // Resulting SVG height, in pixels
};
// Create empty SVG structure
const svgContainer = d3.select("#svg-placeholder").append("svg")
.attr("version", 1.1)
.attr("width", config.WIDTH)
.attr("height", config.HEIGHT)
.attr("viewBox", "0 0 "+ config.WIDTH + " "+config.HEIGHT)
.attr("xmlns", "http://www.w3.org/2000/svg");
// Create renderer instance
const renderer = new Renderer({
element: svgContainer,
data: [],
thickness : config.LINE_WIDTH
});
// Define what kind of media you want to acquire (type, resolution, etc)
// according to getUserMedia API
const mediaConstraints = {
audio: false,
video: {
width: config.WIDTH,
aspectRatio: {
exact: config.WIDTH / config.HEIGHT
}
}
};
// Capture media from Webcam
navigator.mediaDevices.getUserMedia(mediaConstraints)
.then((mediaStream) => {
video.srcObject = mediaStream;
video.onloadedmetadata = function(e) {
video.play();
};
})
.catch((err) => {
console.log(err.name + ": " + err.message);
});
// When worker posts a message, process it
worker.addEventListener('message', function(e) {
renderer.setData(e.data); // pass the received data to the renderer instance
}, false);
worker.onerror = function(error) {
console.log('Worker error: ' + error.message + '\n');
throw error;
};
// When image needs to be turned into squiggles, we need to post the image pixel data
// and the config to the worker
function processImage() {
worker.postMessage({ data: imagePixels, config: config});
}
// Attach click even to "Capture" button
captureButton.addEventListener('click', () => {
drawButton.style.display = 'inline-block';
// Set the video and canvas width / height to the target size of our SVG
video.setAttribute('width', config.WIDTH);
video.setAttribute('height', config.HEIGHT);
canvas.width = config.WIDTH;
canvas.height = config.HEIGHT;
// Clear the canvas
context.clearRect(0, 0, config.WIDTH, config.HEIGHT);
context.drawImage(video, 0, 0, config.WIDTH, config.HEIGHT);
// Retrieve all pixels from the image
imagePixels = context.getImageData(0, 0, config.WIDTH, config.HEIGHT);
// Send the pixels to the worker
processImage();
});
drawButton.addEventListener('click', () => {
drawButton.classList.add('disabled');
const svgDoctype = '<?xml version="1.0" standalone="no"?>'
+ '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">';
// serialize our SVG XML to a string.
let svgString = (new XMLSerializer()).serializeToString(d3.select('svg').node());
// reduce the SVG path by cutting off floating point values after the first digit beyond floating point (~50% less MBs)
svgString = svgString.replace(/([\-+]?\d{1,}\.\d{3,}([eE][\-+]?\d+)?)/g, function (x) {
return (+x).toFixed(1)
});
const blob = new Blob([svgDoctype + svgString], {type: 'image/svg+xml;charset=utf-8'});
/* This portion of script saves the file to local filesystem as a download */
const svgUrl = URL.createObjectURL(blob);
const downloadLink = document.createElement("a");
downloadLink.href = svgUrl;
downloadLink.download = "squiggleCam_" + Date.now() + ".svg";
document.body.appendChild(downloadLink);
downloadLink.click();
document.body.removeChild(downloadLink);
/*
// If you wanted to upload the image to a server instead, use something like this:
const oReq = new XMLHttpRequest();
oReq.open("POST", serverIPAddress + ':3000/upload', true);
oReq.onload = function (oEvent) {
console.log('uploaded!', oEvent);
};
oReq.onreadystatechange = () => {
if (oReq.readyState === 4 && oReq.status === 200) {
drawButton.classList.remove('disabled');
}
};
oReq.send(blob);*/
});
// Attach listener to each of the range sliders
rangesliderJs.create(lineCountValue, {
onSlide: (val) => {
lineCountValueEl.innerHTML = val;
config.LINE_COUNT = val;
processImage();
}
});
rangesliderJs.create(amplitudeValue, {
onSlide: (val) => {
amplitudeValueEl.innerHTML = val;
config.AMPLITUDE = val;
processImage();
}
});
rangesliderJs.create(lineSpacingValue, {
onSlide: (val) => {
lineSpacingValueEl.innerHTML = val;
config.SPACING = val;
processImage();
}
});
rangesliderJs.create(frequencyValue, {
onSlide: (val) => {
frequencyValueEl.innerHTML = val;
config.FREQUENCY = val;
processImage();
}
});
rangesliderJs.create(brightnessValue, {
onSlide: (val) => {
brightnessValueEl.innerHTML = val;
config.BRIGHTNESS_ADJUSTMENT = val;
processImage();
}
});
rangesliderJs.create(contrastValue, {
onSlide: (val) => {
contrastValueEl.innerHTML = val;
config.CONTRAST_ADJUSTMENT = val;
processImage();
}
});

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@import "styles/main";
@import "styles/rangeslider";
@import "styles/buttons";

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/**
* imageAnalyzer Web Worker accepts image data and configuration parameters
* and returns array of x,y coordinates to draw squiggles
*
* It analyzes pixels for their average brightness and if brightness is closer to 0 -> makes lines less
* squiggly, if closer to 255 -> more squiggly
*
* This script runs in a webWorker thread in order to speed up processing of the image and
* to detach the processing from the UI updates
*
* Majority of the logic in this script is taken from https://github.com/gwygonik/SquiggleDraw for the following exceptions:
* - I implemented contrast adjustment that can be helpful in certain light conditions
* - I increased the processing speed by removing unnecessary assignments and moving variable
* declarations out of the processing loop
*/
self.addEventListener('message', function(e) {
// Gather all necessary data from the main thread
let config = e.data.config;
let imagePixels = e.data.data;
let width = e.data.config.WIDTH;
let height = e.data.config.HEIGHT;
// Create some defaults for squiggle-point array
let squiggleData = [];
let r = 5;
let a = 0;
let b;
let z;
let currentCoordinates = []; // create empty array for storing x,y coordinate pairs
let currentVerticalPixelIndex = 0;
let currentHorizontalPixelIndex = 0;
let contrastFactor = (259 * (config.CONTRAST_ADJUSTMENT + 255)) / (255 * (259 - config.CONTRAST_ADJUSTMENT)); // This was established through experiments
let horizontalLineSpacing = Math.floor(height/config.LINE_COUNT); // Number of pixels to advance in vertical direction
// Iterate line by line (top line to bottom line) in increments of horizontalLineSpacing
for (let y = 0; y < height; y+= horizontalLineSpacing) {
a = 0;
currentCoordinates = [];
currentCoordinates.push([0, y]); // Start the line
currentVerticalPixelIndex = y*width; // Because Image Pixel array is of length width * height,
// starting pixel for each line will be this
// Loop through pixels from left to right within the current line, advancing by increments of config.SPACING
for (let x = 1;x < width; x += config.SPACING ) {
currentHorizontalPixelIndex = x + currentVerticalPixelIndex; // Get array position of current pixel
// When there is contrast adjustment, the calculations of brightness values are a bit different
if (config.CONTRAST_ADJUSTMENT !== 0) {
// Determine how bright a pixel is, from 0 to 255 by summing three channels (R,G,B) multiplied by some coefficients
b = (0.2125 * ((contrastFactor * (imagePixels.data[4 * currentHorizontalPixelIndex] - 128) + 128 )
+ config.BRIGHTNESS_ADJUSTMENT)) + (0.7154 * ((contrastFactor * (imagePixels.data[4 * (currentHorizontalPixelIndex + 1)] - 128) + 128)
+ config.BRIGHTNESS_ADJUSTMENT)) + (0.0721 * ((contrastFactor*(imagePixels.data[4*(currentHorizontalPixelIndex+2)]-128)+128) + config.BRIGHTNESS_ADJUSTMENT));
} else {
b = (0.2125 * (imagePixels.data[4*currentHorizontalPixelIndex] + config.BRIGHTNESS_ADJUSTMENT)) + (0.7154 * (imagePixels.data[4*(currentHorizontalPixelIndex + 1)]+ config.BRIGHTNESS_ADJUSTMENT)) + (0.0721 * (imagePixels.data[4*(currentHorizontalPixelIndex + 2)] + config.BRIGHTNESS_ADJUSTMENT));
}
b = Math.max(config.MIN_BRIGHTNESS,b); // Set minimum line curvature to value set by the user
z = Math.max(config.MAX_BRIGHTNESS-b,0); // Set maximum line curvature to value set by the user
// The magic of the script, determines how high / low the squiggle goes
r = config.AMPLITUDE * z / config.LINE_COUNT;
a += z / config.FREQUENCY;
currentCoordinates.push([x,y + Math.sin(a)*r]);
}
squiggleData.push(currentCoordinates);
}
self.postMessage(squiggleData);
}, false);

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<html>
<head>
<meta charset="UTF-8">
<title>SquiggleCam - capture a selfie, turn it into art</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="apple-mobile-web-app-capable" content="yes"/>
<meta name="mobile-web-app-capable" content="yes">
<link rel="stylesheet" href="app.css">
</head>
<body>
<canvas id="canvas" width="800" height="600" style="display: none;"></canvas>
<div class="actions">
<div class="settings-container">
<div id="settings">
<div class="sliders">
<div class="col-50">
<label for="lineCount">Line Count (1...200):</label> <span id="lineCountValue">90</span>
<input id="lineCount" name="lineCount" type="range" min="1" max="200" value="90" step="1">
</div>
<div class="col-50">
<label for="amplitude">Amplitude (0.1...5): </label> <span id="amplitudeValue">1.2</span>
<input name="amplitude" id="amplitude" type="range" min="0.1" max="5" value="1.2" step="0.05">
</div>
</div>
<div class="sliders">
<div class="col-50">
<label for="lineSpacing">Pixel Spacing (0.5...5):</label> <span id="lineSpacingValue">1</span>
<input id="lineSpacing" name="lineSpacing" type="range" min="0.5" max="5" value="1" step="0.5">
</div>
<div class="col-50">
<label for="frequency">Frequency (5...256): </label> <span id="frequencyValue">135</span>
<input name="frequency" id="frequency" type="range" min="5" max="256" value="135" step="1">
</div>
</div>
<div class="sliders">
<div class="col-50">
<label for="brightness">Brightness (-100...100):</label> <span id="brightnessValue">0</span>
<input id="brightness" name="brightness" type="range" min="-100" max="100" value="0" step="1">
</div>
<div class="col-50">
<label for="contrast">Contrast (-100...100): </label> <span id="contrastValue">0</span>
<input id="contrast" name="contrast" type="range" min="-100" max="100" value="0" step="1">
</div>
</div>
</div>
</div>
<div class="status-container">
<div id="status">
<video autoplay width="800" height="600"></video>
<a href="#" id="captureButton" class="btn btn-lg btn-success">Capture</a>
<a href="#" id="drawButton" class="btn btn-lg btn-primary" style="display: none;">Get SVG!</a>
</div>
</div>
</div>
<div id="svg-placeholder"></div>
<script src="app.js"></script>
<script src="//localhost:35729/livereload.js"></script>
</body>
</html>

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export function map(value, inMin, inMax, outMin, outMax) {
return (value - inMin) * (outMax - outMin) / (inMax - inMin) + outMin
}
export function range(start, end, tick) {
const s = Math.round(start / tick) * tick
return Array.from({
length: Math.floor((end - start) / tick)
}, (v, k) => {
return k * tick + s
});
}

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.btn {
display: inline-block;
padding: 8px 8px;
margin-bottom: 0;
font-size: 14px;
font-weight: normal;
line-height: 1.42857143;
text-align: center;
white-space: nowrap;
vertical-align: middle;
-ms-touch-action: manipulation;
touch-action: manipulation;
cursor: pointer;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
background-image: none;
border: 1px solid transparent;
//border-radius: 10px;
}
.btn:focus,
.btn:active:focus,
.btn.active:focus,
.btn.focus,
.btn:active.focus,
.btn.active.focus {
outline: thin dotted;
outline: 5px auto -webkit-focus-ring-color;
outline-offset: -2px;
}
.btn:hover,
.btn:focus,
.btn.focus {
color: #333;
text-decoration: none;
}
.btn:active,
.btn.active {
background-image: none;
outline: 0;
-webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
box-shadow: inset 0 3px 5px rgba(0, 0, 0, .125);
}
.btn.disabled,
.btn[disabled],
fieldset[disabled] .btn {
cursor: not-allowed;
filter: alpha(opacity=65);
-webkit-box-shadow: none;
box-shadow: none;
opacity: .65;
}
a.btn.disabled,
fieldset[disabled] a.btn {
pointer-events: none;
}
.btn-primary {
color: #fff;
background-color: #337ab7;
border-color: #2e6da4;
}
.btn-primary:focus,
.btn-primary.focus {
color: #fff;
background-color: #286090;
border-color: #122b40;
}
.btn-primary:hover {
color: #fff;
background-color: #286090;
border-color: #204d74;
}
.btn-primary:active,
.btn-primary.active,
.open > .dropdown-toggle.btn-primary {
color: #fff;
background-color: #286090;
border-color: #204d74;
}
.btn-primary:active:hover,
.btn-primary.active:hover,
.open > .dropdown-toggle.btn-primary:hover,
.btn-primary:active:focus,
.btn-primary.active:focus,
.open > .dropdown-toggle.btn-primary:focus,
.btn-primary:active.focus,
.btn-primary.active.focus,
.open > .dropdown-toggle.btn-primary.focus {
color: #fff;
background-color: #204d74;
border-color: #122b40;
}
.btn-primary:active,
.btn-primary.active,
.open > .dropdown-toggle.btn-primary {
background-image: none;
}
.btn-primary.disabled:hover,
.btn-primary[disabled]:hover,
fieldset[disabled] .btn-primary:hover,
.btn-primary.disabled:focus,
.btn-primary[disabled]:focus,
fieldset[disabled] .btn-primary:focus,
.btn-primary.disabled.focus,
.btn-primary[disabled].focus,
fieldset[disabled] .btn-primary.focus {
background-color: #337ab7;
border-color: #2e6da4;
}
.btn-success {
color: #fff;
background-color: #5cb85c;
border-color: #4cae4c;
}
.btn-success:focus,
.btn-success.focus {
color: #fff;
background-color: #449d44;
border-color: #255625;
}
.btn-success:hover {
color: #fff;
background-color: #449d44;
border-color: #398439;
}
.btn-success:active,
.btn-success.active,
.open > .dropdown-toggle.btn-success {
color: #fff;
background-color: #449d44;
border-color: #398439;
}
.btn-success:active:hover,
.btn-success.active:hover,
.open > .dropdown-toggle.btn-success:hover,
.btn-success:active:focus,
.btn-success.active:focus,
.open > .dropdown-toggle.btn-success:focus,
.btn-success:active.focus,
.btn-success.active.focus,
.open > .dropdown-toggle.btn-success.focus {
color: #fff;
background-color: #398439;
border-color: #255625;
}
.btn-success:active,
.btn-success.active,
.open > .dropdown-toggle.btn-success {
background-image: none;
}
.btn-success.disabled:hover,
.btn-success[disabled]:hover,
fieldset[disabled] .btn-success:hover,
.btn-success.disabled:focus,
.btn-success[disabled]:focus,
fieldset[disabled] .btn-success:focus,
.btn-success.disabled.focus,
.btn-success[disabled].focus,
fieldset[disabled] .btn-success.focus {
background-color: #5cb85c;
border-color: #4cae4c;
}
.btn-info {
color: #fff;
background-color: #5bc0de;
border-color: #46b8da;
}
.btn-info:focus,
.btn-info.focus {
color: #fff;
background-color: #31b0d5;
border-color: #1b6d85;
}
.btn-info:hover {
color: #fff;
background-color: #31b0d5;
border-color: #269abc;
}
.btn-info:active,
.btn-info.active,
.open > .dropdown-toggle.btn-info {
color: #fff;
background-color: #31b0d5;
border-color: #269abc;
}
.btn-info:active:hover,
.btn-info.active:hover,
.open > .dropdown-toggle.btn-info:hover,
.btn-info:active:focus,
.btn-info.active:focus,
.open > .dropdown-toggle.btn-info:focus,
.btn-info:active.focus,
.btn-info.active.focus,
.open > .dropdown-toggle.btn-info.focus {
color: #fff;
background-color: #269abc;
border-color: #1b6d85;
}
.btn-info:active,
.btn-info.active,
.open > .dropdown-toggle.btn-info {
background-image: none;
}
.btn-info.disabled:hover,
.btn-info[disabled]:hover,
fieldset[disabled] .btn-info:hover,
.btn-info.disabled:focus,
.btn-info[disabled]:focus,
fieldset[disabled] .btn-info:focus,
.btn-info.disabled.focus,
.btn-info[disabled].focus,
fieldset[disabled] .btn-info.focus {
background-color: #5bc0de;
border-color: #46b8da;
}
.btn-danger {
color: #fff;
background-color: #d9534f;
border-color: #d43f3a;
}
.btn-danger:focus,
.btn-danger.focus {
color: #fff;
background-color: #c9302c;
border-color: #761c19;
}
.btn-danger:hover {
color: #fff;
background-color: #c9302c;
border-color: #ac2925;
}
.btn-danger:active,
.btn-danger.active,
.open > .dropdown-toggle.btn-danger {
color: #fff;
background-color: #c9302c;
border-color: #ac2925;
}
.btn-danger:active:hover,
.btn-danger.active:hover,
.open > .dropdown-toggle.btn-danger:hover,
.btn-danger:active:focus,
.btn-danger.active:focus,
.open > .dropdown-toggle.btn-danger:focus,
.btn-danger:active.focus,
.btn-danger.active.focus,
.open > .dropdown-toggle.btn-danger.focus {
color: #fff;
background-color: #ac2925;
border-color: #761c19;
}
.btn-danger:active,
.btn-danger.active,
.open > .dropdown-toggle.btn-danger {
background-image: none;
}
.btn-danger.disabled:hover,
.btn-danger[disabled]:hover,
fieldset[disabled] .btn-danger:hover,
.btn-danger.disabled:focus,
.btn-danger[disabled]:focus,
fieldset[disabled] .btn-danger:focus,
.btn-danger.disabled.focus,
.btn-danger[disabled].focus,
fieldset[disabled] .btn-danger.focus {
background-color: #d9534f;
border-color: #d43f3a;
}
a {
background-color: transparent;
}
a:active,
a:hover {
outline: 0;
}
a {
color: #337ab7;
text-decoration: none;
}
a:hover,
a:focus {
color: #23527c;
text-decoration: underline;
}
a:focus {
outline: thin dotted;
outline: 5px auto -webkit-focus-ring-color;
outline-offset: -2px;
}
.btn-block {
display: block;
width: 100%;
}

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body{
width: 100%;
margin: 0;
padding: 0;
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
font-size: 14px;
line-height: 1.42857143;
color: #333;
background-color: #fff;
}
svg {
z-index: 1;
}
video {
width: 100px;
height: 100px;
display: block;
}
.settings-container {
flex: 1;
}
.status-container {
flex: 0 0 100px;
}
#status {
display: inline-block;
width: 100px;
text-align: center;
padding-bottom: 10px;
}
p {
margin: 0;
padding: 0;
font-size: 12px;
}
.actions {
background-color: black;
color: white;
z-index: 100;
padding: 0;
margin: 0;
width: 100%;
height: 210px;
display: flex;
}
.sliders {
display: flex;
flex-direction: row;
flex: 1;
}
.col-50 {
position: relative;
margin: 0;
padding: 10px;
flex: 1;
}
#drawButton {
margin-top: 10px;
}

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.rangeslider {
position: relative;
display: block;
cursor: pointer;
height: 25px;
width: 100%;
}
.rangeslider__fill,
.rangeslider__fill__bg {
display: block;
position: absolute;
top: 50%;
height: 2px;
z-index: 2;
background: #29e;
border-radius: 10px;
will-change: width;
}
.rangeslider__handle {
will-change: width, height, top;
width: 18px;
height: 18px;
position: absolute;
top: 50%;
background: #29e;
display: inline-block;
z-index: 3;
cursor: pointer;
border: solid 2px #ffffff;
border-radius: 50%;
-webkit-transition: width 0.1s ease-in-out, height 0.1s ease-in-out, top 0.1s ease-in-out;
transition: width 0.1s ease-in-out, height 0.1s ease-in-out, top 0.1s ease-in-out;
}
.rangeslider__handle:active {
background: #107ecd;
}
.rangeslider__fill__bg {
background: #ccc;
width: 100%;
}
.rangeslider--disabled {
opacity: 0.4;
}

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@ -375,6 +375,9 @@ input[type="range"]:focus::-ms-fill-upper {
display: flex;
justify-content: space-between;
align-items: center;
h2 {
margin-top: 5px;
}
}
.video-controls {