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Chris Tsang
2020-10-25 14:49:11 +08:00
parent 1d3407eec1
commit 00375567cc
2 changed files with 464 additions and 464 deletions
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358
webapp/app/index.html
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@@ -1,185 +1,185 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>VTracer</title>
<link rel="apple-touch-icon" sizes="192x192" href="./assets/apple-icon.png">
<link rel="icon" type="image/png" sizes="192x192" href="./assets/apple-icon.png">
<style>
html, body {
width: 100%;
height: 100%;
margin: 0;
}
.button {
cursor: pointer;
font-family: sans-serif;
border-radius: 2px;
border: 1px solid #aaa;
padding: 4px 8px;
}
#droptext {
border: 2px dashed #000;
}
#droptext.hovering {
border: 2px dashed #fff;
}
#canvas-container {
position: absolute;
left: 2.5%;
top: 5%;
width: 95%;
height: 90%;
}
#svg, #frame {
position: absolute;
width: 100%;
margin-bottom: 50px;
}
#svg > path:hover {
stroke: #ff0;
}
#droptext {
height: 100%;
text-align: center;
}
#options {
position: absolute;
left: 2.5%;
top: 5%;
padding: 50px;
background: rgba(255,255,255,0.5);
}
</style>
</head>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>VTracer</title>
<link rel="apple-touch-icon" sizes="192x192" href="./assets/apple-icon.png">
<link rel="icon" type="image/png" sizes="192x192" href="./assets/apple-icon.png">
<style>
html, body {
width: 100%;
height: 100%;
margin: 0;
}
.button {
cursor: pointer;
font-family: sans-serif;
border-radius: 2px;
border: 1px solid #aaa;
padding: 4px 8px;
}
#droptext {
border: 2px dashed #000;
}
#droptext.hovering {
border: 2px dashed #fff;
}
#canvas-container {
position: absolute;
left: 2.5%;
top: 5%;
width: 95%;
height: 90%;
}
#svg, #frame {
position: absolute;
width: 100%;
margin-bottom: 50px;
}
#svg > path:hover {
stroke: #ff0;
}
#droptext {
height: 100%;
text-align: center;
}
#options {
position: absolute;
left: 2.5%;
top: 5%;
padding: 50px;
background: rgba(255,255,255,0.5);
}
</style>
</head>
<body>
<input type="file" id="imageInput" accept="image/*" style="display: none;">
<div>
<div id="progressregion" style="display: none;">
<progress id="progressbar" value="0" max="100" style="width: 98%;"></progress>
</div>
<body>
<input type="file" id="imageInput" accept="image/*" style="display: none;">
<div>
<div id="drop">
<div id="canvas-container">
<div id="droptext">
<p>Drag an image here or <a href="#" id="imageSelect">Select file</a></p>
<div id="progressregion" style="display: none;">
<progress id="progressbar" value="0" max="100" style="width: 98%;"></progress>
</div>
<div>
<div id="drop">
<div id="canvas-container">
<div id="droptext">
<p>Drag an image here or <a href="#" id="imageSelect">Select file</a></p>
</div>
<canvas id="frame"></canvas>
<svg id="svg" version="1.1" xmlns="http://www.w3.org/2000/svg"></svg>
</div>
<canvas id="frame"></canvas>
<svg id="svg" version="1.1" xmlns="http://www.w3.org/2000/svg"></svg>
</div>
</div>
<div id="options">
<div>
<a class="button" id="export">Download as SVG</a>
</div>
<p></p>
<div>
<div title="Algorithm for segmentation and grouping of pixel clusters">
Clustering
</div>
</div>
<div>
<div>
<button id="clustering-binary" title="Black & White (Binary Image)">B/W</button>
<button id="clustering-color" title="True Color Image">Color</button>
</div>
</div>
<div>
<div title="Discard patches small than X px in size">
Filter Speckle <span>(Cleaner)</span>
</div>
</div>
<div id="filterspecklevalue">
4
</div>
<div>
<input id="filterspeckle" type="range" min="1" max="16" step="1" value="4">
</div>
<div class="clustering-color-options">
<div title="Number of significant bits to use in a RGB channel">
Color Precision <span>(More accurate)</span>
</div>
</div>
<div id="colorprecisionvalue" class="clustering-color-options">
6
</div>
<div class="clustering-color-options">
<input id="colorprecision" type="range" min="1" max="8" step="1" value="6">
</div>
<div class="clustering-color-options">
<div title="Color difference between gradient layers">
Gradient Step <span>(Less layers)</span>
</div>
</div>
<div id="layerdifferencevalue" class="clustering-color-options">
16
</div>
<div class="clustering-color-options">
<input id="layerdifference" type="range" min="0" max="255" step="1" value="16">
</div>
<p></p>
<div>
<div title="Algorithm for converting clusters to shapes">
Curve Fitting
</div>
</div>
<div>
<div>
<button id="none" title="Exact cluster boundary">Pixel</button>
<button id="polygon" title="Simplify to Polygon">Polygon</button>
<button id="spline" class="selected" title="Smooth and Curve-fit">Spline</button>
</div>
</div>
<div class="spline-options">
<div title="Minimum Momentary Angle (in degrees) to be considered a corner (to be kept after smoothing)">
Corner Threshold <span>(Smoother)</span>
</div>
</div>
<div id="cornervalue" class="spline-options">
60
</div>
<div class="spline-options">
<input id="corner" type="range" min="0" max="180" step="1" value="60">
</div>
<div class="spline-options">
<div title="Perform Iterative Subdivide Smooth until all segments are shorter than this length">
Segment Length <span>(More coarse)</span>
</div>
</div>
<div id="lengthvalue" class="spline-options">
4
</div>
<div class="spline-options">
<input id="length" type="range" min="3.5" max="10" step="0.5" value="4">
</div>
<div class="spline-options">
<div title="Minimum Angle Displacement (in degrees) to be considered a cutting point between curves">
Splice Threshold <span>(More accurate)</span>
</div>
</div>
<div id="splicevalue" class="spline-options">
45
</div>
<div class="spline-options">
<input id="splice" type="range" min="0" max="180" step="1" value="45">
</div>
</div>
</div>
<div id="options">
<div>
<a class="button" id="export">Download as SVG</a>
</div>
<p></p>
<div>
<div title="Algorithm for segmentation and grouping of pixel clusters">
Clustering
</div>
</div>
<div>
<div>
<button id="clustering-binary" title="Black & White (Binary Image)">B/W</button>
<button id="clustering-color" title="True Color Image">Color</button>
</div>
</div>
<div>
<div title="Discard patches small than X px in size">
Filter Speckle <span>(Cleaner)</span>
</div>
</div>
<div id="filterspecklevalue">
4
</div>
<div>
<input id="filterspeckle" type="range" min="1" max="16" step="1" value="4">
</div>
<div class="clustering-color-options">
<div title="Number of significant bits to use in a RGB channel">
Color Precision <span>(More accurate)</span>
</div>
</div>
<div id="colorprecisionvalue" class="clustering-color-options">
6
</div>
<div class="clustering-color-options">
<input id="colorprecision" type="range" min="1" max="8" step="1" value="6">
</div>
<div class="clustering-color-options">
<div title="Color difference between gradient layers">
Gradient Step <span>(Less layers)</span>
</div>
</div>
<div id="layerdifferencevalue" class="clustering-color-options">
16
</div>
<div class="clustering-color-options">
<input id="layerdifference" type="range" min="0" max="255" step="1" value="16">
</div>
<p></p>
<div>
<div title="Algorithm for converting clusters to shapes">
Curve Fitting
</div>
</div>
<div>
<div>
<button id="none" title="Exact cluster boundary">Pixel</button>
<button id="polygon" title="Simplify to Polygon">Polygon</button>
<button id="spline" class="selected" title="Smooth and Curve-fit">Spline</button>
</div>
</div>
<div class="spline-options">
<div title="Minimum Momentary Angle (in degrees) to be considered a corner (to be kept after smoothing)">
Corner Threshold <span>(Smoother)</span>
</div>
</div>
<div id="cornervalue" class="spline-options">
60
</div>
<div class="spline-options">
<input id="corner" type="range" min="0" max="180" step="1" value="60">
</div>
<div class="spline-options">
<div title="Perform Iterative Subdivide Smooth until all segments are shorter than this length">
Segment Length <span>(More coarse)</span>
</div>
</div>
<div id="lengthvalue" class="spline-options">
4
</div>
<div class="spline-options">
<input id="length" type="range" min="3.5" max="10" step="0.5" value="4">
</div>
<div class="spline-options">
<div title="Minimum Angle Displacement (in degrees) to be considered a cutting point between curves">
Splice Threshold <span>(More accurate)</span>
</div>
</div>
<div id="splicevalue" class="spline-options">
45
</div>
<div class="spline-options">
<input id="splice" type="range" min="0" max="180" step="1" value="45">
</div>
</div>
</div>
<script src="./bootstrap.js"></script>
</body>
</html>
<script src="./bootstrap.js"></script>
</body>
</html>

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webapp/app/index.js
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@@ -1,294 +1,294 @@
import { BinaryImageConverter, ColorImageConverter } from 'vtracer';
import { BinaryImageConverter, ColorImageConverter } from 'vtracer';
let runner;
const canvas = document.getElementById('frame');
const ctx = canvas.getContext('2d');
const svg = document.getElementById('svg');
const img = new Image();
const progress = document.getElementById('progressbar');
const progressregion = document.getElementById('progressregion');
let mode = 'spline', clustering_mode = 'color';
let runner;
const canvas = document.getElementById('frame');
const ctx = canvas.getContext('2d');
const svg = document.getElementById('svg');
const img = new Image();
const progress = document.getElementById('progressbar');
const progressregion = document.getElementById('progressregion');
let mode = 'spline', clustering_mode = 'color';
// Hide canas and svg on load
canvas.style.display = 'none';
svg.style.display = 'none';
// Hide canas and svg on load
canvas.style.display = 'none';
svg.style.display = 'none';
// Paste from clipboard
document.addEventListener('paste', function (e) {
if (e.clipboardData) {
var items = e.clipboardData.items;
if (!items) return;
// Paste from clipboard
document.addEventListener('paste', function (e) {
if (e.clipboardData) {
var items = e.clipboardData.items;
if (!items) return;
//access data directly
for (var i = 0; i < items.length; i++) {
if (items[i].type.indexOf("image") !== -1) {
//image
var blob = items[i].getAsFile();
var URLObj = window.URL || window.webkitURL;
var source = URLObj.createObjectURL(blob);
setSourceAndRestart(source);
}
}
e.preventDefault();
}
});
// Download as SVG
document.getElementById('export').addEventListener('click', function (e) {
const blob = new Blob([new XMLSerializer().serializeToString(svg)], {type: 'octet/stream'}),
url = window.URL.createObjectURL(blob);
this.href = url;
this.target = '_blank';
this.download = 'export-' + new Date().toISOString().slice(0, 19).replace(/:/g, '').replace('T', ' ') + '.svg';
});
// Function to load a given config WITHOUT restarting
function loadConfig(config) {
mode = config.mode;
clustering_mode = config.clustering_mode;
globalcorner = config.corner_threshold;
document.getElementById('cornervalue').innerHTML = globalcorner;
document.getElementById('corner').value = globalcorner;
globallength = config.length_threshold;
document.getElementById('lengthvalue').innerHTML = globallength;
document.getElementById('length').value = globallength;
globalsplice = config.splice_threshold;
document.getElementById('splicevalue').innerHTML = globalsplice;
document.getElementById('splice').value = globalsplice;
globalfilterspeckle = config.filter_speckle;
document.getElementById('filterspecklevalue').innerHTML = globalfilterspeckle;
document.getElementById('filterspeckle').value = globalfilterspeckle;
globalcolorprecision = config.color_precision;
document.getElementById('colorprecisionvalue').innerHTML = globalcolorprecision;
document.getElementById('colorprecision').value = globalcolorprecision;
globallayerdifference = config.layer_difference;
document.getElementById('layerdifferencevalue').innerHTML = globallayerdifference;
document.getElementById('layerdifference').value = globallayerdifference;
}
// Upload button
var imageSelect = document.getElementById('imageSelect'),
imageInput = document.getElementById('imageInput');
imageSelect.addEventListener('click', function (e) {
imageInput.click();
e.preventDefault();
});
imageInput.addEventListener('change', function (e) {
setSourceAndRestart(this.files[0]);
});
// Drag-n-Drop
var drop = document.getElementById('drop');
var droptext = document.getElementById('droptext');
drop.addEventListener('dragenter', function (e) {
if (e.preventDefault) e.preventDefault();
e.dataTransfer.dropEffect = 'copy';
droptext.classList.add('hovering');
return false;
});
drop.addEventListener('dragleave', function (e) {
if (e.preventDefault) e.preventDefault();
e.dataTransfer.dropEffect = 'copy';
droptext.classList.remove('hovering');
return false;
});
drop.addEventListener('dragover', function (e) {
if (e.preventDefault) e.preventDefault();
e.dataTransfer.dropEffect = 'copy';
droptext.classList.add('hovering');
return false;
});
drop.addEventListener('drop', function (e) {
if (e.preventDefault) e.preventDefault();
droptext.classList.remove('hovering');
setSourceAndRestart(e.dataTransfer.files[0]);
return false;
});
// Get Input from UI controls
var globalcorner = parseInt(document.getElementById('corner').value),
globallength = parseFloat(document.getElementById('length').value),
globalsplice = parseInt(document.getElementById('splice').value),
globalfilterspeckle = parseInt(document.getElementById('filterspeckle').value),
globalcolorprecision = parseInt(document.getElementById('colorprecision').value),
globallayerdifference = parseInt(document.getElementById('layerdifference').value);
document.getElementById('none').addEventListener('click', function (e) {
mode = 'none';
restart();
}, false);
document.getElementById('polygon').addEventListener('click', function (e) {
mode = 'polygon';
restart();
}, false);
document.getElementById('spline').addEventListener('click', function (e) {
mode = 'spline';
restart();
}, false);
document.getElementById('clustering-binary').addEventListener('click', function (e) {
clustering_mode = 'binary';
restart();
}, false);
document.getElementById('clustering-color').addEventListener('click', function (e) {
clustering_mode = 'color';
restart();
}, false);
document.getElementById('filterspeckle').addEventListener('change', function (e) {
globalfilterspeckle = parseInt(this.value);
document.getElementById('filterspecklevalue').innerHTML = this.value;
restart();
});
document.getElementById('colorprecision').addEventListener('change', function (e) {
globalcolorprecision = parseInt(this.value);
document.getElementById('colorprecisionvalue').innerHTML = this.value;
restart();
});
document.getElementById('layerdifference').addEventListener('change', function (e) {
globallayerdifference = parseInt(this.value);
document.getElementById('layerdifferencevalue').innerHTML = this.value;
restart();
});
document.getElementById('corner').addEventListener('change', function (e) {
globalcorner = parseInt(this.value);
document.getElementById('cornervalue').innerHTML = this.value;
restart();
});
document.getElementById('length').addEventListener('change', function (e) {
globallength = parseFloat(this.value);
document.getElementById('lengthvalue').innerHTML = this.value;
restart();
});
document.getElementById('splice').addEventListener('change', function (e) {
globalsplice = parseInt(this.value);
document.getElementById('splicevalue').innerHTML = this.value;
restart();
});
function setSourceAndRestart(source) {
img.src = source instanceof File ? URL.createObjectURL(source) : source;
img.onload = function () {
svg.setAttribute('viewBox', `0 0 ${img.naturalWidth} ${img.naturalHeight}`);
canvas.width = img.naturalWidth;
canvas.height = img.naturalHeight;
restart();
}
// Show display
canvas.style.display = 'block';
svg.style.display = 'block';
// Hide upload text
droptext.style.display = 'none';
}
function restart() {
document.getElementById('clustering-binary').classList.remove('selected');
document.getElementById('clustering-color').classList.remove('selected');
document.getElementById('clustering-' + clustering_mode).classList.add('selected');
Array.from(document.getElementsByClassName('clustering-color-options')).forEach((el) => {
el.style.display = clustering_mode == 'color' ? '' : 'none';
});
document.getElementById('none').classList.remove('selected');
document.getElementById('polygon').classList.remove('selected');
document.getElementById('spline').classList.remove('selected');
document.getElementById(mode).classList.add('selected');
Array.from(document.getElementsByClassName('spline-options')).forEach((el) => {
el.style.display = mode == 'spline' ? '' : 'none';
});
if (!img.src) {
return;
}
while (svg.firstChild) {
svg.removeChild(svg.firstChild);
}
ctx.clearRect(0, 0, canvas.width,canvas.height);
ctx.drawImage(img, 0, 0);
let converter_params = JSON.stringify({
'canvas_id': canvas.id,
'svg_id': svg.id,
'mode': mode,
'clustering_mode': clustering_mode,
'corner_threshold': deg2rad(globalcorner),
'length_threshold': globallength,
'max_iterations': 10,
'splice_threshold': deg2rad(globalsplice),
'filter_speckle': globalfilterspeckle*globalfilterspeckle,
'color_precision': 8-globalcolorprecision,
'layer_difference': globallayerdifference,
});
if (runner) {
runner.stop();
}
runner = new ConverterRunner(converter_params);
progress.value = 0;
progressregion.style.display = 'block';
runner.run();
}
function deg2rad(deg) {
return deg/180*3.141592654;
}
class ConverterRunner {
constructor (converter_params) {
this.converter =
clustering_mode == 'color' ?
ColorImageConverter.new_with_string(converter_params):
BinaryImageConverter.new_with_string(converter_params);
this.converter.init();
this.stopped = false;
if (clustering_mode == 'binary') {
svg.style.background = '#000';
canvas.style.display = 'none';
} else {
svg.style.background = '';
canvas.style.display = '';
}
}
run () {
const This = this;
requestAnimationFrame(function tick () {
if (!This.stopped) {
if (!This.converter.tick()) {
progress.value = This.converter.progress();
if (progress.value >= 50) {
canvas.style.display = 'none';
}
if (progress.value >= progress.max) {
progressregion.style.display = 'none';
progress.value = 0;
}
requestAnimationFrame(tick);
//access data directly
for (var i = 0; i < items.length; i++) {
if (items[i].type.indexOf("image") !== -1) {
//image
var blob = items[i].getAsFile();
var URLObj = window.URL || window.webkitURL;
var source = URLObj.createObjectURL(blob);
setSourceAndRestart(source);
}
}
});
e.preventDefault();
}
});
// Download as SVG
document.getElementById('export').addEventListener('click', function (e) {
const blob = new Blob([new XMLSerializer().serializeToString(svg)], {type: 'octet/stream'}),
url = window.URL.createObjectURL(blob);
this.href = url;
this.target = '_blank';
this.download = 'export-' + new Date().toISOString().slice(0, 19).replace(/:/g, '').replace('T', ' ') + '.svg';
});
// Function to load a given config WITHOUT restarting
function loadConfig(config) {
mode = config.mode;
clustering_mode = config.clustering_mode;
globalcorner = config.corner_threshold;
document.getElementById('cornervalue').innerHTML = globalcorner;
document.getElementById('corner').value = globalcorner;
globallength = config.length_threshold;
document.getElementById('lengthvalue').innerHTML = globallength;
document.getElementById('length').value = globallength;
globalsplice = config.splice_threshold;
document.getElementById('splicevalue').innerHTML = globalsplice;
document.getElementById('splice').value = globalsplice;
globalfilterspeckle = config.filter_speckle;
document.getElementById('filterspecklevalue').innerHTML = globalfilterspeckle;
document.getElementById('filterspeckle').value = globalfilterspeckle;
globalcolorprecision = config.color_precision;
document.getElementById('colorprecisionvalue').innerHTML = globalcolorprecision;
document.getElementById('colorprecision').value = globalcolorprecision;
globallayerdifference = config.layer_difference;
document.getElementById('layerdifferencevalue').innerHTML = globallayerdifference;
document.getElementById('layerdifference').value = globallayerdifference;
}
stop () {
this.stopped = true;
// Upload button
var imageSelect = document.getElementById('imageSelect'),
imageInput = document.getElementById('imageInput');
imageSelect.addEventListener('click', function (e) {
imageInput.click();
e.preventDefault();
});
imageInput.addEventListener('change', function (e) {
setSourceAndRestart(this.files[0]);
});
// Drag-n-Drop
var drop = document.getElementById('drop');
var droptext = document.getElementById('droptext');
drop.addEventListener('dragenter', function (e) {
if (e.preventDefault) e.preventDefault();
e.dataTransfer.dropEffect = 'copy';
droptext.classList.add('hovering');
return false;
});
drop.addEventListener('dragleave', function (e) {
if (e.preventDefault) e.preventDefault();
e.dataTransfer.dropEffect = 'copy';
droptext.classList.remove('hovering');
return false;
});
drop.addEventListener('dragover', function (e) {
if (e.preventDefault) e.preventDefault();
e.dataTransfer.dropEffect = 'copy';
droptext.classList.add('hovering');
return false;
});
drop.addEventListener('drop', function (e) {
if (e.preventDefault) e.preventDefault();
droptext.classList.remove('hovering');
setSourceAndRestart(e.dataTransfer.files[0]);
return false;
});
// Get Input from UI controls
var globalcorner = parseInt(document.getElementById('corner').value),
globallength = parseFloat(document.getElementById('length').value),
globalsplice = parseInt(document.getElementById('splice').value),
globalfilterspeckle = parseInt(document.getElementById('filterspeckle').value),
globalcolorprecision = parseInt(document.getElementById('colorprecision').value),
globallayerdifference = parseInt(document.getElementById('layerdifference').value);
document.getElementById('none').addEventListener('click', function (e) {
mode = 'none';
restart();
}, false);
document.getElementById('polygon').addEventListener('click', function (e) {
mode = 'polygon';
restart();
}, false);
document.getElementById('spline').addEventListener('click', function (e) {
mode = 'spline';
restart();
}, false);
document.getElementById('clustering-binary').addEventListener('click', function (e) {
clustering_mode = 'binary';
restart();
}, false);
document.getElementById('clustering-color').addEventListener('click', function (e) {
clustering_mode = 'color';
restart();
}, false);
document.getElementById('filterspeckle').addEventListener('change', function (e) {
globalfilterspeckle = parseInt(this.value);
document.getElementById('filterspecklevalue').innerHTML = this.value;
restart();
});
document.getElementById('colorprecision').addEventListener('change', function (e) {
globalcolorprecision = parseInt(this.value);
document.getElementById('colorprecisionvalue').innerHTML = this.value;
restart();
});
document.getElementById('layerdifference').addEventListener('change', function (e) {
globallayerdifference = parseInt(this.value);
document.getElementById('layerdifferencevalue').innerHTML = this.value;
restart();
});
document.getElementById('corner').addEventListener('change', function (e) {
globalcorner = parseInt(this.value);
document.getElementById('cornervalue').innerHTML = this.value;
restart();
});
document.getElementById('length').addEventListener('change', function (e) {
globallength = parseFloat(this.value);
document.getElementById('lengthvalue').innerHTML = this.value;
restart();
});
document.getElementById('splice').addEventListener('change', function (e) {
globalsplice = parseInt(this.value);
document.getElementById('splicevalue').innerHTML = this.value;
restart();
});
function setSourceAndRestart(source) {
img.src = source instanceof File ? URL.createObjectURL(source) : source;
img.onload = function () {
svg.setAttribute('viewBox', `0 0 ${img.naturalWidth} ${img.naturalHeight}`);
canvas.width = img.naturalWidth;
canvas.height = img.naturalHeight;
restart();
}
// Show display
canvas.style.display = 'block';
svg.style.display = 'block';
// Hide upload text
droptext.style.display = 'none';
}
}
function restart() {
document.getElementById('clustering-binary').classList.remove('selected');
document.getElementById('clustering-color').classList.remove('selected');
document.getElementById('clustering-' + clustering_mode).classList.add('selected');
Array.from(document.getElementsByClassName('clustering-color-options')).forEach((el) => {
el.style.display = clustering_mode == 'color' ? '' : 'none';
});
document.getElementById('none').classList.remove('selected');
document.getElementById('polygon').classList.remove('selected');
document.getElementById('spline').classList.remove('selected');
document.getElementById(mode).classList.add('selected');
Array.from(document.getElementsByClassName('spline-options')).forEach((el) => {
el.style.display = mode == 'spline' ? '' : 'none';
});
if (!img.src) {
return;
}
while (svg.firstChild) {
svg.removeChild(svg.firstChild);
}
ctx.clearRect(0, 0, canvas.width,canvas.height);
ctx.drawImage(img, 0, 0);
let converter_params = JSON.stringify({
'canvas_id': canvas.id,
'svg_id': svg.id,
'mode': mode,
'clustering_mode': clustering_mode,
'corner_threshold': deg2rad(globalcorner),
'length_threshold': globallength,
'max_iterations': 10,
'splice_threshold': deg2rad(globalsplice),
'filter_speckle': globalfilterspeckle*globalfilterspeckle,
'color_precision': 8-globalcolorprecision,
'layer_difference': globallayerdifference,
});
if (runner) {
runner.stop();
}
runner = new ConverterRunner(converter_params);
progress.value = 0;
progressregion.style.display = 'block';
runner.run();
}
function deg2rad(deg) {
return deg/180*3.141592654;
}
class ConverterRunner {
constructor (converter_params) {
this.converter =
clustering_mode == 'color' ?
ColorImageConverter.new_with_string(converter_params):
BinaryImageConverter.new_with_string(converter_params);
this.converter.init();
this.stopped = false;
if (clustering_mode == 'binary') {
svg.style.background = '#000';
canvas.style.display = 'none';
} else {
svg.style.background = '';
canvas.style.display = '';
}
}
run () {
const This = this;
requestAnimationFrame(function tick () {
if (!This.stopped) {
if (!This.converter.tick()) {
progress.value = This.converter.progress();
if (progress.value >= 50) {
canvas.style.display = 'none';
}
if (progress.value >= progress.max) {
progressregion.style.display = 'none';
progress.value = 0;
}
requestAnimationFrame(tick);
}
}
});
}
stop () {
this.stopped = true;
}
}