From fa5d2906c0075e7e0a937c0019c02492494565e8 Mon Sep 17 00:00:00 2001
From: Chris Tsang <tyt2y7@gmail.com>
Date: Wed, 9 Dec 2020 15:21:02 +0800
Subject: [PATCH] Change sample artwork

---
 docs/0.bootstrap.js                       |   2 +-
 docs/assets/samples/attributions.txt      |  22 ----------------------
 docs/assets/samples/spaceships.png        | Bin 5754 -> 0 bytes
 docs/assets/samples/tank-unit-preview.png | Bin 0 -> 9888 bytes
 4 files changed, 1 insertion(+), 23 deletions(-)
 delete mode 100644 docs/assets/samples/attributions.txt
 delete mode 100644 docs/assets/samples/spaceships.png
 create mode 100644 docs/assets/samples/tank-unit-preview.png

diff --git a/docs/0.bootstrap.js b/docs/0.bootstrap.js
index cc91e5e..7496600 100644
--- a/docs/0.bootstrap.js
+++ b/docs/0.bootstrap.js
@@ -43,7 +43,7 @@ eval("\"use strict\";\n// Instantiate WebAssembly module\nvar wasmExports = __we
 /***/ (function(module, __webpack_exports__, __webpack_require__) {
 
 "use strict";
-eval("__webpack_require__.r(__webpack_exports__);\n/* harmony import */ var vtracer__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! vtracer */ \"../pkg/vtracer_webapp.js\");\n\n\nlet runner;\nconst canvas = document.getElementById('frame');\nconst ctx = canvas.getContext('2d');\nconst svg = document.getElementById('svg');\nconst img = new Image();\nconst progress = document.getElementById('progressbar');\nconst progressregion = document.getElementById('progressregion');\nlet mode = 'spline', clustering_mode = 'color';\n\n// Hide canas and svg on load\ncanvas.style.display = 'none';\nsvg.style.display = 'none';\n\n// Paste from clipboard\ndocument.addEventListener('paste', function (e) {\n\tif (e.clipboardData) {\n\t\tvar items = e.clipboardData.items;\n\t\tif (!items) return;\n\n\t\t//access data directly\n\t\tfor (var i = 0; i < items.length; i++) {\n\t\t\tif (items[i].type.indexOf(\"image\") !== -1) {\n\t\t\t\t//image\n\t\t\t\tvar blob = items[i].getAsFile();\n\t\t\t\tvar URLObj = window.URL || window.webkitURL;\n\t\t\t\tvar source = URLObj.createObjectURL(blob);\n\t\t\t\tsetSourceAndRestart(source);\n\t\t\t}\n\t\t}\n\t\te.preventDefault();\n\t}\n});\n\n// Download as SVG\ndocument.getElementById('export').addEventListener('click', function (e) {\n    const blob = new Blob([new XMLSerializer().serializeToString(svg)], {type: 'octet/stream'}),\n    url = window.URL.createObjectURL(blob);\n\n    this.href = url;\n    this.target = '_blank';\n\n    this.download = 'export-' + new Date().toISOString().slice(0, 19).replace(/:/g, '').replace('T', ' ') + '.svg';\n});\n\n// Store template config\nvar presetConfigs = [\n    {\n        src: 'assets/samples/K1_drawing.jpg',\n        clustering_mode: 'binary',\n        filter_speckle: 4,\n        color_precision: 6,\n        layer_difference: 16,\n        mode: 'spline',\n        corner_threshold: 60,\n        length_threshold: 4,\n        splice_threshold: 45,\n        source: 'https://commons.wikimedia.org/wiki/File:K1_drawing.jpg',\n        credit: '<a href=\"https://commons.wikimedia.org/\">Wikimedia</a>',\n    },\n    {\n        src: 'assets/samples/Cityscape Sunset_DFM3-01.jpg',\n        clustering_mode: 'color',\n        filter_speckle: 4,\n        color_precision: 8,\n        layer_difference: 25,\n        mode: 'spline',\n        corner_threshold: 60,\n        length_threshold: 4,\n        splice_threshold: 45,\n        source: 'https://www.vecteezy.com/vector-art/227400-beautiful-cityscape-at-sunset',\n        credit: '<a href=\"https://www.vecteezy.com/free-vector/building\">Building Vectors by Vecteezy</a>',\n    },\n    {\n        src: 'assets/samples/Gum Tree Vector.jpg',\n        clustering_mode: 'color',\n        filter_speckle: 4,\n        color_precision: 8,\n        layer_difference: 28,\n        mode: 'spline',\n        corner_threshold: 60,\n        length_threshold: 4,\n        splice_threshold: 45,\n        source: 'https://www.vecteezy.com/vector-art/172177-gum-tree-vector',\n        credit: '<a href=\"https://www.vecteezy.com/free-vector/nature\">Nature Vectors by Vecteezy</a>',\n    },\n    {\n        src: 'assets/samples/vectorstock_31191940.png',\n        clustering_mode: 'color',\n        filter_speckle: 8,\n        color_precision: 7,\n        layer_difference: 64,\n        mode: 'spline',\n        corner_threshold: 60,\n        length_threshold: 4,\n        splice_threshold: 45,\n        source: 'https://www.vectorstock.com/royalty-free-vector/dessert-poster-design-with-chocolate-cake-mousses-vector-31191940',\n        credit: '<a href=\"https://www.vectorstock.com/royalty-free-vector/dessert-poster-design-with-chocolate-cake-mousses-vector-31191940\">Vector image by VectorStock / vectorstock</a>',\n    },\n    {\n        src: 'assets/samples/angel-luciano-LATYeZyw88c-unsplash-s.jpg',\n        clustering_mode: 'color',\n        filter_speckle: 10,\n        color_precision: 8,\n        layer_difference: 48,\n        mode: 'spline',\n        corner_threshold: 180,\n        length_threshold: 4,\n        splice_threshold: 45,\n        source: 'https://unsplash.com/photos/LATYeZyw88c',\n        credit: '<span>Photo by <a href=\"https://unsplash.com/@roaming_angel?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\">Angel Luciano</a> on <a href=\"https://unsplash.com/s/photos/dog?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\">Unsplash</a></span>',\n    },\n    {\n        src: 'assets/samples/spaceships.png',\n        clustering_mode: 'color',\n        filter_speckle: 0,\n        color_precision: 8,\n        layer_difference: 0,\n        mode: 'none',\n        corner_threshold: 180,\n        length_threshold: 4,\n        splice_threshold: 45,\n        source: 'https://opengameart.org/content/spaceships-1',\n        credit: '<span>Photo by <a href=\"https://opengameart.org/content/spaceships-1\">wuhu</a> on <a href=\"https://opengameart.org/\">opengameart.org</a></span>',\n    },\n];\n\n// Insert gallery items dynamically\nfor (let i = 0; i < presetConfigs.length; i++) {\n\tdocument.getElementById('galleryslider').innerHTML += \n\t`<li>\n\t<div class=\"galleryitem uk-panel uk-flex uk-flex-center\">\n\t\t<a href=\"#\">\n\t\t\t<img src=\"${presetConfigs[i].src}\" title=\"${presetConfigs[i].source}\">\n\t\t</a>\n\t</div>\n\t</li>`;\n    document.getElementById('credits-modal-content').innerHTML += \n    `<p>${presetConfigs[i].credit}</p>`;\n}\n\n// Function to load a given config WITHOUT restarting\nfunction loadConfig(config) {\n\tmode = config.mode;\n\tclustering_mode = config.clustering_mode;\n\n\tglobalcorner = config.corner_threshold;\n\tdocument.getElementById('cornervalue').innerHTML = globalcorner;\n\tdocument.getElementById('corner').value = globalcorner;\n\t\n\tgloballength = config.length_threshold;\n\tdocument.getElementById('lengthvalue').innerHTML = globallength;\n\tdocument.getElementById('length').value = globallength;\n\t\n\tglobalsplice = config.splice_threshold;\n\tdocument.getElementById('splicevalue').innerHTML = globalsplice;\n\tdocument.getElementById('splice').value = globalsplice;\n\n\tglobalfilterspeckle = config.filter_speckle;\n\tdocument.getElementById('filterspecklevalue').innerHTML = globalfilterspeckle;\n\tdocument.getElementById('filterspeckle').value = globalfilterspeckle;\n\n\tglobalcolorprecision = config.color_precision;\n\tdocument.getElementById('colorprecisionvalue').innerHTML = globalcolorprecision;\n\tdocument.getElementById('colorprecision').value = globalcolorprecision;\n\n\tgloballayerdifference = config.layer_difference;\n\tdocument.getElementById('layerdifferencevalue').innerHTML = globallayerdifference;\n\tdocument.getElementById('layerdifference').value = globallayerdifference;\n\n}\n\n// Choose template from gallery\nlet chooseGalleryButtons = document.querySelectorAll('.galleryitem a');\nchooseGalleryButtons.forEach(item => {\n\titem.addEventListener('click', function (e) {\n\t\t// Load preset template config\n\t\tlet i = Array.prototype.indexOf.call(chooseGalleryButtons, item);\n\t\tif (presetConfigs.length > i) {\n\t\t\tloadConfig(presetConfigs[i]);\n\t\t}\n\n\t\t// Set source as specified\n\t\tsetSourceAndRestart(this.firstElementChild.src);\n\t});\n});\n\n// Upload button\nvar imageSelect = document.getElementById('imageSelect'),\nimageInput = document.getElementById('imageInput');  \nimageSelect.addEventListener('click', function (e) {\n    imageInput.click();\n    e.preventDefault();\n});\n\nimageInput.addEventListener('change', function (e) {\n    setSourceAndRestart(this.files[0]);\n});\n\n// Drag-n-Drop\nvar drop = document.getElementById('drop');\nvar droptext = document.getElementById('droptext');\ndrop.addEventListener('dragenter', function (e) {\n    if (e.preventDefault) e.preventDefault();\n    e.dataTransfer.dropEffect = 'copy';\n    droptext.classList.add('hovering');\n    return false;\n});\n\ndrop.addEventListener('dragleave', function (e) {\n    if (e.preventDefault) e.preventDefault();\n    e.dataTransfer.dropEffect = 'copy';\n    droptext.classList.remove('hovering');\n    return false;\n});\n\ndrop.addEventListener('dragover', function (e) {\n    if (e.preventDefault) e.preventDefault();\n    e.dataTransfer.dropEffect = 'copy';\n    droptext.classList.add('hovering');\n    return false;\n});\n\ndrop.addEventListener('drop', function (e) {\n    if (e.preventDefault) e.preventDefault();\n    droptext.classList.remove('hovering');\n    setSourceAndRestart(e.dataTransfer.files[0]);\n    return false;\n});\n\n// Get Input from UI controls\nvar globalcorner = parseInt(document.getElementById('corner').value),\n    globallength = parseFloat(document.getElementById('length').value),\n    globalsplice = parseInt(document.getElementById('splice').value),\n    globalfilterspeckle = parseInt(document.getElementById('filterspeckle').value),\n    globalcolorprecision = parseInt(document.getElementById('colorprecision').value),\n    globallayerdifference = parseInt(document.getElementById('layerdifference').value);\n\n// Load past inputs from localStorage\n/*\nif (localStorage.VSsettings) {\n    var settings = JSON.parse(localStorage.VSsettings);\n    document.getElementById('cornervalue').innerHTML = document.getElementById('corner').value = globalcorner = settings.globalcorner;\n    document.getElementById('lengthvalue').innerHTML = document.getElementById('length').value = globallength = settings.globallength;\n    document.getElementById('splicevalue').innerHTML = document.getElementById('splice').value = globalsplice = settings.globalsplice;\n}\n*/\n\ndocument.getElementById('none').addEventListener('click', function (e) {\n    mode = 'none';\n    restart();\n}, false);\n\ndocument.getElementById('polygon').addEventListener('click', function (e) {\n    mode = 'polygon';\n    restart();\n}, false);\n\ndocument.getElementById('spline').addEventListener('click', function (e) {\n    mode = 'spline';\n    restart();\n}, false);\n\ndocument.getElementById('clustering-binary').addEventListener('click', function (e) {\n    clustering_mode = 'binary';\n    restart();\n}, false);\n\ndocument.getElementById('clustering-color').addEventListener('click', function (e) {\n    clustering_mode = 'color';\n    restart();\n}, false);\n\ndocument.getElementById('filterspeckle').addEventListener('change', function (e) {\n    globalfilterspeckle = parseInt(this.value);\n    document.getElementById('filterspecklevalue').innerHTML = this.value;\n    restart();\n});\n\ndocument.getElementById('colorprecision').addEventListener('change', function (e) {\n    globalcolorprecision = parseInt(this.value);\n    document.getElementById('colorprecisionvalue').innerHTML = this.value;\n    restart();\n});\n\ndocument.getElementById('layerdifference').addEventListener('change', function (e) {\n    globallayerdifference = parseInt(this.value);\n    document.getElementById('layerdifferencevalue').innerHTML = this.value;\n    restart();\n});\n\ndocument.getElementById('corner').addEventListener('change', function (e) {\n    globalcorner = parseInt(this.value);\n    document.getElementById('cornervalue').innerHTML = this.value;\n    restart();\n});\n\ndocument.getElementById('length').addEventListener('change', function (e) {\n    globallength = parseFloat(this.value);\n    document.getElementById('lengthvalue').innerHTML = this.value;\n    restart();\n});\n\ndocument.getElementById('splice').addEventListener('change', function (e) {\n    globalsplice = parseInt(this.value);\n    document.getElementById('splicevalue').innerHTML = this.value;\n    restart();\n});\n\n// Save inputs before unloading\n/*\nwindow.addEventListener('beforeunload', function () {\n    localStorage.VSsettings = JSON.stringify({\n        globalcorner: globalcorner,\n        globallength: globallength,\n        globalsplice: globalsplice,\n    });\n});\n*/\n\nfunction setSourceAndRestart(source) {\n    img.src = source instanceof File ? URL.createObjectURL(source) : source;\n    img.onload = function () {\n        svg.setAttribute('viewBox', `0 0 ${img.naturalWidth} ${img.naturalHeight}`);\n        canvas.width = img.naturalWidth;\n        canvas.height = img.naturalHeight;\n        restart();\n    }\n    // Show display\n    canvas.style.display = 'block';\n    svg.style.display = 'block';\n    // Hide upload text\n    droptext.style.display = 'none';\n}\n\nfunction restart() {\n    document.getElementById('clustering-binary').classList.remove('selected');\n    document.getElementById('clustering-color').classList.remove('selected');\n    document.getElementById('clustering-' + clustering_mode).classList.add('selected');\n    Array.from(document.getElementsByClassName('clustering-color-options')).forEach((el) => {\n        el.style.display = clustering_mode == 'color' ? '' : 'none';\n    });\n\n    document.getElementById('none').classList.remove('selected');\n    document.getElementById('polygon').classList.remove('selected');\n    document.getElementById('spline').classList.remove('selected');\n    document.getElementById(mode).classList.add('selected');\n    Array.from(document.getElementsByClassName('spline-options')).forEach((el) => {\n        el.style.display = mode == 'spline' ? '' : 'none';\n    });\n\n    if (!img.src) {\n        return;\n    }\n    while (svg.firstChild) {\n        svg.removeChild(svg.firstChild);\n    }\n    ctx.clearRect(0, 0, canvas.width, canvas.height);\n    ctx.drawImage(img, 0, 0);\n    let converter_params = JSON.stringify({\n        'canvas_id': canvas.id,\n        'svg_id': svg.id,\n        'mode': mode,\n        'clustering_mode': clustering_mode,\n        'corner_threshold': deg2rad(globalcorner),\n        'length_threshold': globallength,\n        'max_iterations': 10,\n        'splice_threshold': deg2rad(globalsplice),\n        'filter_speckle': globalfilterspeckle*globalfilterspeckle,\n        'color_precision': 8-globalcolorprecision,\n        'layer_difference': globallayerdifference,\n    });\n    if (runner) {\n        runner.stop();\n    }\n    runner = new ConverterRunner(converter_params);\n    progress.value = 0;\n    progressregion.style.display = 'block';\n    runner.run();\n}\n\nfunction deg2rad(deg) {\n    return deg/180*3.141592654;\n}\n\nclass ConverterRunner {\n    constructor (converter_params) {\n        this.converter =\n            clustering_mode == 'color' ?\n                vtracer__WEBPACK_IMPORTED_MODULE_0__[\"ColorImageConverter\"].new_with_string(converter_params):\n                vtracer__WEBPACK_IMPORTED_MODULE_0__[\"BinaryImageConverter\"].new_with_string(converter_params);\n        this.converter.init();\n        this.stopped = false;\n        if (clustering_mode == 'binary') {\n            svg.style.background = '#000';\n            canvas.style.display = 'none';\n        } else {\n            svg.style.background = '';\n            canvas.style.display = '';\n        }\n        canvas.style.opacity = '';\n    }\n\n    run () {\n        const This = this;\n        setTimeout(function tick () {\n            if (!This.stopped) {\n                let done = false;\n                const startTick = performance.now();\n                while (!(done = This.converter.tick()) &&\n                    performance.now() - startTick < 25) {\n                }\n                progress.value = This.converter.progress();\n                if (progress.value >= 50) {\n                    canvas.style.display = 'none';\n                } else {\n                    canvas.style.opacity = (50 - progress.value) / 25;\n                }\n                if (progress.value >= progress.max) {\n                    progressregion.style.display = 'none';\n                    progress.value = 0;\n                }\n                if (!done) {\n                    setTimeout(tick, 1);\n                }\n            }\n        }, 1);\n    }\n\n    stop () {\n        this.stopped = true;\n        this.converter.free();\n    }\n}\n\n//# sourceURL=webpack:///./index.js?");
+eval("__webpack_require__.r(__webpack_exports__);\n/* harmony import */ var vtracer__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! vtracer */ \"../pkg/vtracer_webapp.js\");\n\n\nlet runner;\nconst canvas = document.getElementById('frame');\nconst ctx = canvas.getContext('2d');\nconst svg = document.getElementById('svg');\nconst img = new Image();\nconst progress = document.getElementById('progressbar');\nconst progressregion = document.getElementById('progressregion');\nlet mode = 'spline', clustering_mode = 'color';\n\n// Hide canas and svg on load\ncanvas.style.display = 'none';\nsvg.style.display = 'none';\n\n// Paste from clipboard\ndocument.addEventListener('paste', function (e) {\n\tif (e.clipboardData) {\n\t\tvar items = e.clipboardData.items;\n\t\tif (!items) return;\n\n\t\t//access data directly\n\t\tfor (var i = 0; i < items.length; i++) {\n\t\t\tif (items[i].type.indexOf(\"image\") !== -1) {\n\t\t\t\t//image\n\t\t\t\tvar blob = items[i].getAsFile();\n\t\t\t\tvar URLObj = window.URL || window.webkitURL;\n\t\t\t\tvar source = URLObj.createObjectURL(blob);\n\t\t\t\tsetSourceAndRestart(source);\n\t\t\t}\n\t\t}\n\t\te.preventDefault();\n\t}\n});\n\n// Download as SVG\ndocument.getElementById('export').addEventListener('click', function (e) {\n    const blob = new Blob([new XMLSerializer().serializeToString(svg)], {type: 'octet/stream'}),\n    url = window.URL.createObjectURL(blob);\n\n    this.href = url;\n    this.target = '_blank';\n\n    this.download = 'export-' + new Date().toISOString().slice(0, 19).replace(/:/g, '').replace('T', ' ') + '.svg';\n});\n\n// Store template config\nvar presetConfigs = [\n    {\n        src: 'assets/samples/K1_drawing.jpg',\n        clustering_mode: 'binary',\n        filter_speckle: 4,\n        color_precision: 6,\n        layer_difference: 16,\n        mode: 'spline',\n        corner_threshold: 60,\n        length_threshold: 4,\n        splice_threshold: 45,\n        source: 'https://commons.wikimedia.org/wiki/File:K1_drawing.jpg',\n        credit: '<a href=\"https://commons.wikimedia.org/\">Wikimedia</a>',\n    },\n    {\n        src: 'assets/samples/Cityscape Sunset_DFM3-01.jpg',\n        clustering_mode: 'color',\n        filter_speckle: 4,\n        color_precision: 8,\n        layer_difference: 25,\n        mode: 'spline',\n        corner_threshold: 60,\n        length_threshold: 4,\n        splice_threshold: 45,\n        source: 'https://www.vecteezy.com/vector-art/227400-beautiful-cityscape-at-sunset',\n        credit: '<a href=\"https://www.vecteezy.com/free-vector/building\">Building Vectors by Vecteezy</a>',\n    },\n    {\n        src: 'assets/samples/Gum Tree Vector.jpg',\n        clustering_mode: 'color',\n        filter_speckle: 4,\n        color_precision: 8,\n        layer_difference: 28,\n        mode: 'spline',\n        corner_threshold: 60,\n        length_threshold: 4,\n        splice_threshold: 45,\n        source: 'https://www.vecteezy.com/vector-art/172177-gum-tree-vector',\n        credit: '<a href=\"https://www.vecteezy.com/free-vector/nature\">Nature Vectors by Vecteezy</a>',\n    },\n    {\n        src: 'assets/samples/vectorstock_31191940.png',\n        clustering_mode: 'color',\n        filter_speckle: 8,\n        color_precision: 7,\n        layer_difference: 64,\n        mode: 'spline',\n        corner_threshold: 60,\n        length_threshold: 4,\n        splice_threshold: 45,\n        source: 'https://www.vectorstock.com/royalty-free-vector/dessert-poster-design-with-chocolate-cake-mousses-vector-31191940',\n        credit: '<a href=\"https://www.vectorstock.com/royalty-free-vector/dessert-poster-design-with-chocolate-cake-mousses-vector-31191940\">Vector image by VectorStock / vectorstock</a>',\n    },\n    {\n        src: 'assets/samples/angel-luciano-LATYeZyw88c-unsplash-s.jpg',\n        clustering_mode: 'color',\n        filter_speckle: 10,\n        color_precision: 8,\n        layer_difference: 48,\n        mode: 'spline',\n        corner_threshold: 180,\n        length_threshold: 4,\n        splice_threshold: 45,\n        source: 'https://unsplash.com/photos/LATYeZyw88c',\n        credit: '<span>Photo by <a href=\"https://unsplash.com/@roaming_angel?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\">Angel Luciano</a> on <a href=\"https://unsplash.com/s/photos/dog?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\">Unsplash</a></span>',\n    },\n    {\n        src: 'assets/samples/tank-unit-preview.png',\n        clustering_mode: 'color',\n        filter_speckle: 0,\n        color_precision: 8,\n        layer_difference: 0,\n        mode: 'none',\n        corner_threshold: 180,\n        length_threshold: 4,\n        splice_threshold: 45,\n        source: 'https://opengameart.org/content/sideview-sci-fi-patreon-collection',\n        credit: '<span>Artwork by <a href=\"https://opengameart.org/content/sideview-sci-fi-patreon-collection\">Luis Zuno</a> on <a href=\"https://opengameart.org/\">opengameart.org</a></span>',\n    },\n];\n\n// Insert gallery items dynamically\nfor (let i = 0; i < presetConfigs.length; i++) {\n\tdocument.getElementById('galleryslider').innerHTML += \n\t`<li>\n\t<div class=\"galleryitem uk-panel uk-flex uk-flex-center\">\n\t\t<a href=\"#\">\n\t\t\t<img src=\"${presetConfigs[i].src}\" title=\"${presetConfigs[i].source}\">\n\t\t</a>\n\t</div>\n\t</li>`;\n    document.getElementById('credits-modal-content').innerHTML += \n    `<p>${presetConfigs[i].credit}</p>`;\n}\n\n// Function to load a given config WITHOUT restarting\nfunction loadConfig(config) {\n\tmode = config.mode;\n\tclustering_mode = config.clustering_mode;\n\n\tglobalcorner = config.corner_threshold;\n\tdocument.getElementById('cornervalue').innerHTML = globalcorner;\n\tdocument.getElementById('corner').value = globalcorner;\n\t\n\tgloballength = config.length_threshold;\n\tdocument.getElementById('lengthvalue').innerHTML = globallength;\n\tdocument.getElementById('length').value = globallength;\n\t\n\tglobalsplice = config.splice_threshold;\n\tdocument.getElementById('splicevalue').innerHTML = globalsplice;\n\tdocument.getElementById('splice').value = globalsplice;\n\n\tglobalfilterspeckle = config.filter_speckle;\n\tdocument.getElementById('filterspecklevalue').innerHTML = globalfilterspeckle;\n\tdocument.getElementById('filterspeckle').value = globalfilterspeckle;\n\n\tglobalcolorprecision = config.color_precision;\n\tdocument.getElementById('colorprecisionvalue').innerHTML = globalcolorprecision;\n\tdocument.getElementById('colorprecision').value = globalcolorprecision;\n\n\tgloballayerdifference = config.layer_difference;\n\tdocument.getElementById('layerdifferencevalue').innerHTML = globallayerdifference;\n\tdocument.getElementById('layerdifference').value = globallayerdifference;\n\n}\n\n// Choose template from gallery\nlet chooseGalleryButtons = document.querySelectorAll('.galleryitem a');\nchooseGalleryButtons.forEach(item => {\n\titem.addEventListener('click', function (e) {\n\t\t// Load preset template config\n\t\tlet i = Array.prototype.indexOf.call(chooseGalleryButtons, item);\n\t\tif (presetConfigs.length > i) {\n\t\t\tloadConfig(presetConfigs[i]);\n\t\t}\n\n\t\t// Set source as specified\n\t\tsetSourceAndRestart(this.firstElementChild.src);\n\t});\n});\n\n// Upload button\nvar imageSelect = document.getElementById('imageSelect'),\nimageInput = document.getElementById('imageInput');  \nimageSelect.addEventListener('click', function (e) {\n    imageInput.click();\n    e.preventDefault();\n});\n\nimageInput.addEventListener('change', function (e) {\n    setSourceAndRestart(this.files[0]);\n});\n\n// Drag-n-Drop\nvar drop = document.getElementById('drop');\nvar droptext = document.getElementById('droptext');\ndrop.addEventListener('dragenter', function (e) {\n    if (e.preventDefault) e.preventDefault();\n    e.dataTransfer.dropEffect = 'copy';\n    droptext.classList.add('hovering');\n    return false;\n});\n\ndrop.addEventListener('dragleave', function (e) {\n    if (e.preventDefault) e.preventDefault();\n    e.dataTransfer.dropEffect = 'copy';\n    droptext.classList.remove('hovering');\n    return false;\n});\n\ndrop.addEventListener('dragover', function (e) {\n    if (e.preventDefault) e.preventDefault();\n    e.dataTransfer.dropEffect = 'copy';\n    droptext.classList.add('hovering');\n    return false;\n});\n\ndrop.addEventListener('drop', function (e) {\n    if (e.preventDefault) e.preventDefault();\n    droptext.classList.remove('hovering');\n    setSourceAndRestart(e.dataTransfer.files[0]);\n    return false;\n});\n\n// Get Input from UI controls\nvar globalcorner = parseInt(document.getElementById('corner').value),\n    globallength = parseFloat(document.getElementById('length').value),\n    globalsplice = parseInt(document.getElementById('splice').value),\n    globalfilterspeckle = parseInt(document.getElementById('filterspeckle').value),\n    globalcolorprecision = parseInt(document.getElementById('colorprecision').value),\n    globallayerdifference = parseInt(document.getElementById('layerdifference').value);\n\n// Load past inputs from localStorage\n/*\nif (localStorage.VSsettings) {\n    var settings = JSON.parse(localStorage.VSsettings);\n    document.getElementById('cornervalue').innerHTML = document.getElementById('corner').value = globalcorner = settings.globalcorner;\n    document.getElementById('lengthvalue').innerHTML = document.getElementById('length').value = globallength = settings.globallength;\n    document.getElementById('splicevalue').innerHTML = document.getElementById('splice').value = globalsplice = settings.globalsplice;\n}\n*/\n\ndocument.getElementById('none').addEventListener('click', function (e) {\n    mode = 'none';\n    restart();\n}, false);\n\ndocument.getElementById('polygon').addEventListener('click', function (e) {\n    mode = 'polygon';\n    restart();\n}, false);\n\ndocument.getElementById('spline').addEventListener('click', function (e) {\n    mode = 'spline';\n    restart();\n}, false);\n\ndocument.getElementById('clustering-binary').addEventListener('click', function (e) {\n    clustering_mode = 'binary';\n    restart();\n}, false);\n\ndocument.getElementById('clustering-color').addEventListener('click', function (e) {\n    clustering_mode = 'color';\n    restart();\n}, false);\n\ndocument.getElementById('filterspeckle').addEventListener('change', function (e) {\n    globalfilterspeckle = parseInt(this.value);\n    document.getElementById('filterspecklevalue').innerHTML = this.value;\n    restart();\n});\n\ndocument.getElementById('colorprecision').addEventListener('change', function (e) {\n    globalcolorprecision = parseInt(this.value);\n    document.getElementById('colorprecisionvalue').innerHTML = this.value;\n    restart();\n});\n\ndocument.getElementById('layerdifference').addEventListener('change', function (e) {\n    globallayerdifference = parseInt(this.value);\n    document.getElementById('layerdifferencevalue').innerHTML = this.value;\n    restart();\n});\n\ndocument.getElementById('corner').addEventListener('change', function (e) {\n    globalcorner = parseInt(this.value);\n    document.getElementById('cornervalue').innerHTML = this.value;\n    restart();\n});\n\ndocument.getElementById('length').addEventListener('change', function (e) {\n    globallength = parseFloat(this.value);\n    document.getElementById('lengthvalue').innerHTML = this.value;\n    restart();\n});\n\ndocument.getElementById('splice').addEventListener('change', function (e) {\n    globalsplice = parseInt(this.value);\n    document.getElementById('splicevalue').innerHTML = this.value;\n    restart();\n});\n\n// Save inputs before unloading\n/*\nwindow.addEventListener('beforeunload', function () {\n    localStorage.VSsettings = JSON.stringify({\n        globalcorner: globalcorner,\n        globallength: globallength,\n        globalsplice: globalsplice,\n    });\n});\n*/\n\nfunction setSourceAndRestart(source) {\n    img.src = source instanceof File ? URL.createObjectURL(source) : source;\n    img.onload = function () {\n        svg.setAttribute('viewBox', `0 0 ${img.naturalWidth} ${img.naturalHeight}`);\n        canvas.width = img.naturalWidth;\n        canvas.height = img.naturalHeight;\n        restart();\n    }\n    // Show display\n    canvas.style.display = 'block';\n    svg.style.display = 'block';\n    // Hide upload text\n    droptext.style.display = 'none';\n}\n\nfunction restart() {\n    document.getElementById('clustering-binary').classList.remove('selected');\n    document.getElementById('clustering-color').classList.remove('selected');\n    document.getElementById('clustering-' + clustering_mode).classList.add('selected');\n    Array.from(document.getElementsByClassName('clustering-color-options')).forEach((el) => {\n        el.style.display = clustering_mode == 'color' ? '' : 'none';\n    });\n\n    document.getElementById('none').classList.remove('selected');\n    document.getElementById('polygon').classList.remove('selected');\n    document.getElementById('spline').classList.remove('selected');\n    document.getElementById(mode).classList.add('selected');\n    Array.from(document.getElementsByClassName('spline-options')).forEach((el) => {\n        el.style.display = mode == 'spline' ? '' : 'none';\n    });\n\n    if (!img.src) {\n        return;\n    }\n    while (svg.firstChild) {\n        svg.removeChild(svg.firstChild);\n    }\n    ctx.clearRect(0, 0, canvas.width, canvas.height);\n    ctx.drawImage(img, 0, 0);\n    let converter_params = JSON.stringify({\n        'canvas_id': canvas.id,\n        'svg_id': svg.id,\n        'mode': mode,\n        'clustering_mode': clustering_mode,\n        'corner_threshold': deg2rad(globalcorner),\n        'length_threshold': globallength,\n        'max_iterations': 10,\n        'splice_threshold': deg2rad(globalsplice),\n        'filter_speckle': globalfilterspeckle*globalfilterspeckle,\n        'color_precision': 8-globalcolorprecision,\n        'layer_difference': globallayerdifference,\n    });\n    if (runner) {\n        runner.stop();\n    }\n    runner = new ConverterRunner(converter_params);\n    progress.value = 0;\n    progressregion.style.display = 'block';\n    runner.run();\n}\n\nfunction deg2rad(deg) {\n    return deg/180*3.141592654;\n}\n\nclass ConverterRunner {\n    constructor (converter_params) {\n        this.converter =\n            clustering_mode == 'color' ?\n                vtracer__WEBPACK_IMPORTED_MODULE_0__[\"ColorImageConverter\"].new_with_string(converter_params):\n                vtracer__WEBPACK_IMPORTED_MODULE_0__[\"BinaryImageConverter\"].new_with_string(converter_params);\n        this.converter.init();\n        this.stopped = false;\n        if (clustering_mode == 'binary') {\n            svg.style.background = '#000';\n            canvas.style.display = 'none';\n        } else {\n            svg.style.background = '';\n            canvas.style.display = '';\n        }\n        canvas.style.opacity = '';\n    }\n\n    run () {\n        const This = this;\n        setTimeout(function tick () {\n            if (!This.stopped) {\n                let done = false;\n                const startTick = performance.now();\n                while (!(done = This.converter.tick()) &&\n                    performance.now() - startTick < 25) {\n                }\n                progress.value = This.converter.progress();\n                if (progress.value >= 50) {\n                    canvas.style.display = 'none';\n                } else {\n                    canvas.style.opacity = (50 - progress.value) / 25;\n                }\n                if (progress.value >= progress.max) {\n                    progressregion.style.display = 'none';\n                    progress.value = 0;\n                }\n                if (!done) {\n                    setTimeout(tick, 1);\n                }\n            }\n        }, 1);\n    }\n\n    stop () {\n        this.stopped = true;\n        this.converter.free();\n    }\n}\n\n//# sourceURL=webpack:///./index.js?");
 
 /***/ }),
 
diff --git a/docs/assets/samples/attributions.txt b/docs/assets/samples/attributions.txt
deleted file mode 100644
index 0a84553..0000000
--- a/docs/assets/samples/attributions.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-K1_drawing
-B/W 4
-https://commons.wikimedia.org/wiki/File:K1_drawing.jpg
-
-Cityscape Sunset_DFM3-01
-Color 4,8,32
-<a href="https://www.vecteezy.com/free-vector/building">Building Vectors by Vecteezy</a>
-
-Gum Tree Vector
-Color 4,8,32
-<a href="https://www.vecteezy.com/free-vector/nature">Nature Vectors by Vecteezy</a>
-
-vectorstock_31191940
-Color 8,7,64
-<a href="https://www.vectorstock.com/royalty-free-vector/dessert-poster-design-with-chocolate-cake-mousses-vector-31191940">Vector image by VectorStock / vectorstock</a>
-
-angel-luciano-LATYeZyw88c-unsplash
-Color 10,8,48 180
-<span>Photo by <a href="https://unsplash.com/@roaming_angel?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText">Angel Luciano</a> on <a href="https://unsplash.com/s/photos/dog?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText">Unsplash</a></span>
-
-spaceships.png
-https://opengameart.org/content/spaceships-1
\ No newline at end of file
diff --git a/docs/assets/samples/spaceships.png b/docs/assets/samples/spaceships.png
deleted file mode 100644
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