Update README.md

Update README.md

.babelrc

@@ -0,0 +1,8 @@
+{
+	"presets": ["@babel/preset-env"],
+	"plugins": [
+		["@babel/plugin-transform-runtime", {
+			"regenerator": true
+		}]
+	]
+}

.gitignore

@@ -3,13 +3,15 @@
 .DS_Store?
 ._*
 .Trashes
-Icon?
 ehthumbs.db
 Thumbs.db
 nbproject/
 .idea/
 .git/
+.vscode
 /.project
 *.log
 
 /node_modules/
+*.js.ignore
+

README.md

@@ -1,13 +1,11 @@
 # miniPaint
 
-Online graphics editing tool lets create, edit images using HTML5 technologies.
-No need to buy, download, install or have obsolete flash.
-Key features: layers, drag & drop, transparency, filters, no-flash, open source. 
+Online image editor lets you create and edit images using HTML5 technologies. No need to buy, download, install, or have outdated flash. No ads. Key features: layers, filters, open source Photoshop alternative.
 
-miniPaint operates directly in the browser. You can create images, paste from clipboard (ctrl+v) or upload from computer (using menu or drag & drop). Nothing will be sent to any server. Everything stays in your browser. 
+miniPaint operates directly in the browser. You can create images by pasting from the clipboard (ctrl+v) or uploading from the computer (_using menu or drag & drop_). Nothing will be sent to any server. Everything stays in your browser. 
 
 ## URL:
-**http://viliusle.github.io/miniPaint/**
+**https://viliusle.github.io/miniPaint/**
 
 ## Preview:
 ![miniPaint](https://raw.githubusercontent.com/viliusle/miniPaint/master/images/preview.gif)
@@ -16,42 +14,47 @@ miniPaint operates directly in the browser. You can create images, paste from cl
 **Change log:** [/miniPaint/releases](https://github.com/viliusle/miniPaint/releases)
 
 ## Browser Support
-- Firefox
 - Chrome
+- Firefox
 - Opera
 - Edge
 - Safari
-- IE 11 (?)
+- Yandex
 
 ## Features
 
-- **Files**: open images, directories, URL, drag and drop, save (PNG, JPG, BMP, WEBP, animated GIF, JSON (layers data), print.
-- **Edit**: Undo, cut, copy, paste, selection, paste from clipboard.
-- **Image**: information, EXIF, trim, zoom, resize (Hermite resample, default resize), rotate, flip, color corrections (brightness, contrast, hue, saturation, luminance), auto adjust colors, grid, histogram, negative.
-- **Layers**: multiple layers system, differences, merge, flatten, Transparency support.
-- **Effects**: Black and White, Blur (box, Gaussian, stack, zoom), Bulge/Pinch, Denoise, Desaturate, Dither, Dot Screen, Edge, Emboss, Enrich, Gamma, Grains, GrayScale, Heatmap, JPG Compression, Mosaic, Oil, Sepia, Sharpen, Solarize, Tilt Shift, Vignette, Vibrance, Vintage,
-- **Tools**: pencil, brush, magic wand, erase, fill, color picker, letters, crop, blur, sharpen, desaturate, clone, borders, sprites, key-points, color to alpha, color zoom, replace color, restore alpha, content fill.
-- **Help**: keyboard shortcuts, translations.
+**Files**: open images, directories, URLs, data URLs, drag and drop, save (PNG, JPG, BMP, WEBP, animated GIF, TIFF, JSON (layers data), print.
 
-### Embed
+**Edit**: undo, cut, copy, paste, selection, paste from the clipboard.
 
-To embed this app in other page, use this HTML code:
+**Image**: information, EXIF, trim, zoom, resize (Hermite resample, default resize), rotate, flip, color corrections (brightness, contrast, hue, saturation, luminance), automatic color adjustment, grid, histogram, negative.
 
-    <iframe style="width:100%; height:35vw;" src="https://viliusle.github.io/miniPaint/"></iframe>
+**Layers**: multi-layer system, differences, merging, flattening, transparency support.
+
+**Effects**: black and white, blur (box, gaussian, stack, zoom), bulge/pinch, denoise, desaturation, dither, dot screen, edge, emboss, enrich, gamma, grains, grayscale, heatmap, jpg compression, mosaic, oil, sepia, sharpen, solarize, tilt shift, vignette, vibrance, vintage, blueprint, night vision, pencil, also instagram filters: 1977, aden, clarendon, gingham, inkwell, lo-fi, toaster, valencia, x-pro ii.
+
+**Tools**: pencil, brush, magic wand, eraser, fill, color picker, letter, crop, blur, sharpener, desaturation, clone, borders, sprites, keypoints, color zoom, change color, restore transparency, content fill. 
+
+**Help**: keyboard shortcuts, translation.
+
+## Embed
+To embed this app on another page, use the following HTML code:
+
+    <iframe style="box-sizing:border-box; width:100%; height:100vh;" id="miniPaint" src="https://viliusle.github.io/miniPaint/" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
 
 ## Build instructions
+See [Wiki > Build instructions](https://github.com/viliusle/miniPaint/wiki/Build-instructions)
 
-- git clone https://github.com/viliusle/miniPaint.git
-- cd [miniPaint directory]
-- npm install
-- webpack-dev-server (using http://localhost:8080/ with live reload, require: npm install -g webpack-dev-server)
-- edit files...
-- webpack -p (build for production)
+## Wiki
+See [Wiki](https://github.com/viliusle/miniPaint/wiki)
 
-### License
+## Contributors
+<a align="center" href="https://github.com/viliusle/miniPaint/graphs/contributors">
+  <img src="https://contrib.rocks/image?repo=viliusle/miniPaint" />
+</a>
 
+## License
 MIT License
 
 ## Support
-
-Please use the GitHub issues for support, features, issues or use mail www.viliusl@gmail.com for contacts.
+Please use the GitHub issues for support, feature requests and bug reports, or contact us by sending an email to www.viliusl@gmail.com.

SECURITY.md

@@ -0,0 +1,15 @@
+# Security Policy
+
+## Supported Versions
+
+Use this section to tell people about which versions of your project are
+currently being supported with security updates.
+
+| Version | Supported          |
+| ------- | ------------------ |
+| latest   | :white_check_mark: |
+| < latest   | :x:                |
+
+## Reporting a Vulnerability
+
+Please send details to www.viliusl@gmail.com

dist/bundle.js.LICENSE.txt

@@ -0,0 +1,47 @@
+/*
+object-assign
+(c) Sindre Sorhus
+@license MIT
+*/
+
+/*!
+
+pica
+https://github.com/nodeca/pica
+
+*/
+
+/*!
+ * Block below copied from Protovis: http://mbostock.github.com/protovis/
+ * Copyright 2010 Stanford Visualization Group
+ * Licensed under the BSD License: http://www.opensource.org/licenses/bsd-license.php
+ * @license
+ */
+
+/*!
+ * jQuery JavaScript Library v3.7.1
+ * https://jquery.com/
+ *
+ * Copyright OpenJS Foundation and other contributors
+ * Released under the MIT license
+ * https://jquery.org/license
+ *
+ * Date: 2023-08-28T13:37Z
+ */
+
+/*!
+ * quantize.js Copyright 2008 Nick Rabinowitz.
+ * Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
+ * @license
+ */
+
+/*! alertifyjs - v1.13.1 - Mohammad Younes <Mohammad@alertifyjs.com> (http://alertifyjs.com) */
+
+/*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */
+
+/**
+ * hermite-resize - Canvas image resize/resample using Hermite filter with JavaScript.
+ * @version v2.2.10
+ * @link https://github.com/viliusle/miniPaint
+ * @license MIT
+ */

dist/bundle.js.map

@@ -1 +1 @@
-{"version":3,"file":"dist/bundle.js","sources":["webpack:///dist/bundle.js"],"mappings":"AAAA;AAwsCA;;;;;;;;;;;;;AAqjJA;;;;;;;;;;AAuhBA;;;;;;;;;;;;;;;;;;AA8xyBA;;;;;;;;;;;AAyKA;;;;;;AA2uBA","sourceRoot":""}
+{"version":3,"file":"bundle.js","sources":["webpack://miniPaint/bundle.js"],"mappings":";AAAA","sourceRoot":""}

examples/add-edit-imgData.html

@@ -0,0 +1,76 @@
+<html>
+<body style="margin:0;">
+	
+<iframe id="myFrame" style="width:100%;height:100vh;border:0;" src="../" allow="camera"></iframe>
+
+<script>
+	window.addEventListener('load', function (e) {
+		draw_various();
+	}, false);
+	
+	async function draw_various() {
+		var Layers = document.getElementById('myFrame').contentWindow.Layers;
+		
+		//add layer
+		var canvas = document.createElement('canvas');
+		canvas.width = 50;
+		canvas.height = 50;
+		var ctx = canvas.getContext("2d");	
+		cross_X(ctx, 25, 25);
+		var params = {
+			type: 'image',
+			data: canvas.toDataURL("image/png"),
+			x: 50,
+			y: 50,
+			width: canvas.width,
+			height: canvas.height,
+		};
+		await Layers.insert(params);
+		
+		//add new layer
+		var canvas = document.createElement('canvas');
+		canvas.width = 400;
+		canvas.height = 400;
+		var ctx = canvas.getContext("2d");	
+		cross_X(ctx, 200, 200, null, '#00cc00');
+		var params = {
+			type: 'image',
+			data: canvas.toDataURL("image/png"),
+			width: canvas.width,
+			height: canvas.height,
+		};
+		await Layers.insert(params);
+
+		//update last layer
+		var canvas = Layers.convert_layer_to_canvas(null, true); //no trim
+		var ctx = canvas.getContext("2d");
+		cross_X(ctx, 300, 300, null, '#00cc00');
+		Layers.update_layer_image(canvas);
+		//also update layer
+		var link = Layers.get_layer();
+		link.x = parseInt(canvas.dataset.x);
+		link.y = parseInt(canvas.dataset.y);
+		link.width = canvas.width;
+		link.height = canvas.height;
+	}
+	
+	function cross_X(ctx, x, y, size = 20, col = '#ff0000') {
+		if(size == null)
+			size = 20;
+		x = parseFloat(x);
+		y = parseFloat(y);
+		size = parseInt(size);
+		var lw = parseInt(5);
+		ctx.beginPath();
+		ctx.moveTo(x - size, y - size);
+		ctx.lineTo(x + size, y + size);
+		ctx.lineWidth = lw;
+		ctx.strokeStyle = col;
+		ctx.stroke();
+		ctx.moveTo(x + size, y - size);
+		ctx.lineTo(x - size, y + size);
+		ctx.lineWidth = lw;
+		ctx.strokeStyle = col;
+		ctx.stroke();
+	}
+</script>

examples/open-edit-save.html

@@ -1,16 +1,23 @@
 <html>
 <body style="margin:0;">
 	
-<iframe id="myFrame" style="width:100%;height:70vh;" src="../"></iframe>
+<iframe id="myFrame" style="width:100%;height:70vh;border:0;" src="../" allow="camera"></iframe>
 
 <div style="height:20vh;margin:10px;">
 	Click on image to edit.
 	<br /><br />
-	<button onclick="my_update()">Update</button>
-	<button onclick="my_save()">Save</button>
+	<button onclick="open_image()">Open image</button>
+	<button onclick="update_image()">Update image</button>
+	<button onclick="save_image()">Save image</button>
+	OR
+	<button onclick="open_json()">Open JSON</button>
+	<button onclick="save_json()">Save JSON</button>
 	<br /><br />
 	
-	<img style="max-height:100%" id="testImage" alt="" src="../images/logo.png" onclick="open_image(this)"  />
+	<img style="max-height:100%" id="testImage" alt="" src="../images/logo-colors.png" onclick="open_image(this)"  />
+
+	<textarea rows="8" style="width:500px;" id="testJson"></textarea>
+
 </div>
 
 <script>
@@ -20,6 +27,8 @@
  * @param {string|image} image image or image id
  */
 function open_image(image){
+	if(image == undefined)
+		image = document.getElementById('testImage');
 	if(typeof image == 'string'){
 		image = document.getElementById(image);
 	}
@@ -37,7 +46,20 @@ function open_image(image){
 	Layers.insert(new_layer);
 }
 
-function my_save(){
+function open_json(){
+	var miniPaint = document.getElementById('myFrame').contentWindow;
+	var miniPaint_FileOpen = miniPaint.FileOpen;
+
+	window.fetch("../images/test-collection.json").then(function(response) {
+		return response.json();
+	}).then(function(json) {
+		miniPaint_FileOpen.load_json(json, false);
+	}).catch(function(ex) {
+		alert('Sorry, image could not be loaded.');
+	});
+}
+
+function save_image(){
 	var Layers = document.getElementById('myFrame').contentWindow.Layers;
 	var tempCanvas = document.createElement("canvas");
 	var tempCtx = tempCanvas.getContext("2d");
@@ -45,14 +67,32 @@ function my_save(){
 	tempCanvas.width = dim.width;
 	tempCanvas.height = dim.height;
 	Layers.convert_layers_to_canvas(tempCtx);
-	tempCanvas.toBlob(function(blob) {
-		//image data here
-		alert('Data length: ' + blob.size);
-		console.log(blob);
-	});
+	
+	if(is_edge_or_ie() == false){
+		//update image using blob (faster)
+		tempCanvas.toBlob(function (blob) {
+			alert('Data length: ' + blob.size);
+			console.log(blob);
+		}, 'image/png');
+	}
+	else{
+		//slow way for IE, Edge
+		var data = tempCanvas.toDataURL();
+		alert('Data length: ' + data.length);
+		console.log(data);
+	}
 }
 
-function my_update(){
+function save_json(){
+	var miniPaint = document.getElementById('myFrame').contentWindow;
+	var miniPaint_FileSave = miniPaint.FileSave;
+
+	var data_json = miniPaint_FileSave.export_as_json();
+
+	document.getElementById('testJson').value = data_json;
+}
+
+function update_image(){
 	var target = document.getElementById('testImage');
 	
 	var Layers = document.getElementById('myFrame').contentWindow.Layers;
@@ -67,4 +107,22 @@ function my_update(){
 	target.height = dim.height;
 	target.src = tempCanvas.toDataURL();
 }
+
+/**
+ * will auto load image on page load. Uncomment line below to make it work
+ */
+window.onload = function () {
+	//open_image(document.getElementById('testImage'));  //uncomment me
+};
+
+//if IE 11 or Edge
+function is_edge_or_ie() {
+	//ie11
+	if( !(window.ActiveXObject) && "ActiveXObject" in window )
+		return true;
+	//edge
+	if( navigator.userAgent.indexOf('Edge/') != -1 )
+		return true;
+	return false;
+}
 </script>

examples/zoom.html

@@ -0,0 +1,71 @@
+<html>
+<body style="margin:0;">
+
+<iframe id="myFrame" style="width:100%;height:100vh;border:0;" src="../" allow="camera"></iframe>
+
+<script>
+	window.addEventListener('load', function (e) {
+		main();
+	}, false);
+
+	async function main() {
+		var Layers = document.getElementById('myFrame').contentWindow.Layers;
+		var config = document.getElementById('myFrame').contentWindow.AppConfig;
+
+		var canvas_width = 800;
+		var canvas_height = 600;
+
+		//set size
+		Layers.Base_gui.set_size(canvas_width, canvas_height);
+
+		//add rectangle
+		this.layer = {
+			name: 'layer1',
+			type: 'rectangle',
+			params: {
+				fill: true,
+				square: false,
+				border_size: 2,
+				border: false,
+				border_color: "#1b1bd8",
+				fill_color: "#1b1bd8"
+			},
+			color: '#ff0000',
+			render_function: ['rectangle', 'render'],
+			x: canvas_width/2 - 25,
+			y: canvas_height/2 - 25,
+			width: 50,
+			height: 50,
+		};
+		await Layers.insert(this.layer);
+
+		//zoom to 500%
+		setTimeout(function () {
+			Layers.Base_gui.GUI_preview.zoom_to_position(0, 0);
+			Layers.Base_gui.GUI_preview.zoom(500);
+		}, 100);
+
+		//do this after system changed zoom position
+		setTimeout(function () {
+			//move visible area to begin of rectangle
+			Layers.Base_gui.GUI_preview.zoom_to_position(500, 500);		//change zoom position
+		}, 500);
+
+		//action after 1 s - for preview purpose
+		setTimeout(function () {
+			//move visible area so rect is in center
+
+			var visible_area = Layers.Base_gui.get_visible_area_size();
+
+			//center of rect
+			var cx = canvas_width/2;
+			var cy = canvas_height/2;
+
+			//calc needed coords
+			var x = cx - visible_area.width / 2;
+			var y = cy - visible_area.height / 2;
+
+			Layers.Base_gui.GUI_preview.zoom_to_position(x, y);		//change zoom position
+		}, 1000);
+	}
+</script>

images/favicon.svg

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 18.1.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 298.73 298.73" style="enable-background:new 0 0 298.73 298.73;" xml:space="preserve">
+<g>
+	<path style="fill:#010002;" d="M264.959,9.35H33.787C15.153,9.35,0,24.498,0,43.154v212.461c0,18.634,15.153,33.766,33.787,33.766
+		h231.171c18.634,0,33.771-15.132,33.771-33.766V43.154C298.73,24.498,283.593,9.35,264.959,9.35z M193.174,59.623
+		c18.02,0,32.634,14.615,32.634,32.634s-14.615,32.634-32.634,32.634c-18.025,0-32.634-14.615-32.634-32.634
+		S175.149,59.623,193.174,59.623z M254.363,258.149H149.362H49.039c-9.013,0-13.027-6.521-8.964-14.566l56.006-110.93
+		c4.058-8.044,11.792-8.762,17.269-1.605l56.316,73.596c5.477,7.158,15.05,7.767,21.386,1.354l13.777-13.951
+		c6.331-6.413,15.659-5.619,20.826,1.762l35.675,50.959C266.487,252.16,263.376,258.149,254.363,258.149z"/>
+</g>
+</svg>

images/icons/animation.svg

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 18.1.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 30.051 30.051" style="enable-background:new 0 0 30.051 30.051;" xml:space="preserve">
+<g>
+	<path d="M19.982,14.438l-6.24-4.536c-0.229-0.166-0.533-0.191-0.784-0.062c-0.253,0.128-0.411,0.388-0.411,0.669v9.069
+		c0,0.284,0.158,0.543,0.411,0.671c0.107,0.054,0.224,0.081,0.342,0.081c0.154,0,0.31-0.049,0.442-0.146l6.24-4.532
+		c0.197-0.145,0.312-0.369,0.312-0.607C20.295,14.803,20.177,14.58,19.982,14.438z"/>
+	<path d="M15.026,0.002C6.726,0.002,0,6.728,0,15.028c0,8.297,6.726,15.021,15.026,15.021c8.298,0,15.025-6.725,15.025-15.021
+		C30.052,6.728,23.324,0.002,15.026,0.002z M15.026,27.542c-6.912,0-12.516-5.601-12.516-12.514c0-6.91,5.604-12.518,12.516-12.518
+		c6.911,0,12.514,5.607,12.514,12.518C27.541,21.941,21.937,27.542,15.026,27.542z"/>
+</g>
+</svg>

images/icons/arrow-down.svg

@@ -0,0 +1,5 @@
+<svg width="124" height="150" viewBox="0 0 124 150" xmlns="http://www.w3.org/2000/svg">
+<rect x="55" y="14" width="14" height="63"/>
+<rect x="116" width="14" height="61" transform="rotate(90 116 0)"/>
+<path d="M62 150L8.30643 75L115.694 75L62 150Z"/>
+</svg>

images/icons/blur.svg

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 512 512" style="enable-background:new 0 0 512 512;" xml:space="preserve">
+<g>
+	<g>
+		<path d="M264.574,4.675C262.697,1.761,259.467,0,256,0c-3.467,0-6.697,1.761-8.574,4.675
+			c-6.532,10.14-159.966,249.362-159.966,338.784C87.459,436.393,163.066,512,256,512s168.541-75.607,168.541-168.541
+			C424.541,254.037,271.106,14.815,264.574,4.675z M256,491.602c-81.686,0-148.142-66.456-148.142-148.143
+			c0-34.037,26.926-101.269,77.865-194.427C213.83,97.626,242.219,51.324,256,29.29c13.77,22.016,42.123,68.259,70.223,119.64
+			c50.976,93.212,77.92,160.478,77.92,194.529C404.142,425.146,337.686,491.602,256,491.602z"/>
+	</g>
+</g>
+<g>
+	<g>
+		<path d="M375.907,332.939c-5.633,0-10.199,4.566-10.199,10.199c0,43.197-25.482,82.521-64.919,100.181
+			c-5.141,2.301-7.442,8.335-5.14,13.476c1.695,3.788,5.416,6.034,9.314,6.034c1.393,0,2.809-0.287,4.163-0.893
+			c46.764-20.941,76.981-67.572,76.981-118.797C386.106,337.505,381.54,332.939,375.907,332.939z"/>
+	</g>
+</g>
+<g>
+	<g>
+		<path d="M281.818,460.702c-0.729-5.586-5.85-9.519-11.435-8.791c-4.736,0.619-9.574,0.933-14.383,0.933
+			c-5.633,0-10.199,4.566-10.199,10.199c0,5.633,4.566,10.199,10.199,10.199c5.69,0,11.419-0.372,17.028-1.106
+			C278.613,471.407,282.548,466.287,281.818,460.702z"/>
+	</g>
+</g>
+</svg>

images/icons/bold.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<svg width="1em" height="1em" viewBox="0 0 16 16" fill="currentColor" xmlns="http://www.w3.org/2000/svg">
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images/icons/brush.svg

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images/icons/bulge_pinch.svg

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images/icons/clone.svg

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images/icons/crop.svg

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images/icons/delete.svg

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images/icons/desaturate.svg

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images/icons/erase.svg

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images/icons/fill.svg

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images/icons/italic.svg

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images/icons/magic_erase.svg

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images/icons/media.svg

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images/icons/menu.svg

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images/icons/pencil.svg

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images/icons/pick_color.svg

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images/icons/refresh.svg

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images/icons/select.svg

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images/icons/selection.svg

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images/icons/shape.svg

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images/icons/sharpen.svg

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images/icons/strikethrough.svg

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images/icons/text.svg

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+	<path d="M770.7,930.6v-35.301c0-23.398-18-42.898-41.3-44.799c-17.9-1.5-35.8-3.1-53.7-5c-34.5-3.6-72.5-7.4-72.5-50.301L603,131.7
+		c136-2,210.5,76.7,250,193.2c6.3,18.7,23.8,31.3,43.5,31.3h36.2c24.9,0,45-20.1,45-45V47.1c0-24.9-20.1-45-45-45H488.9h-0.2H45
+		c-24.9,0-45,20.1-45,45v264.1c0,24.9,20.1,45,45,45h36.2c19.7,0,37.2-12.6,43.5-31.3c39.4-116.5,114-195.2,250-193.2l-0.3,663.5
+		c0,42.9-38,46.701-72.5,50.301c-17.9,1.9-35.8,3.5-53.7,5c-23.3,1.9-41.3,21.4-41.3,44.799V930.6c0,24.9,20.1,45,45,45h236.8h0.3
+		h236.7C750.5,975.6,770.7,955.401,770.7,930.6z"/>
+</g>
+</svg>

images/icons/underline.svg

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<svg width="1em" height="1em" viewBox="0 0 16 16" class="bi bi-type-underline" fill="currentColor" xmlns="http://www.w3.org/2000/svg"><path d="M5.313 3.136h-1.23V9.54c0 2.105 1.47 3.623 3.917 3.623s3.917-1.518 3.917-3.623V3.136h-1.23v6.323c0 1.49-.978 2.57-2.687 2.57-1.709 0-2.687-1.08-2.687-2.57V3.136z"/><path fill-rule="evenodd" d="M12.5 15h-9v-1h9v1z"/></svg>

images/icons/undo.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M18.885 3.515c-4.617-4.618-12.056-4.676-16.756-.195l-2.129-2.258v7.938h7.484l-2.066-2.191c2.82-2.706 7.297-2.676 10.073.1 4.341 4.341 1.737 12.291-5.491 12.291v4.8c3.708 0 6.614-1.244 8.885-3.515 4.686-4.686 4.686-12.284 0-16.97z"/></svg>

images/icons/view.svg

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 461.312 461.312" style="enable-background:new 0 0 461.312 461.312;" xml:space="preserve">
+<g>
+	<g>
+		<path d="M230.656,156.416c-40.96,0-74.24,33.28-74.24,74.24s33.28,74.24,74.24,74.24s74.24-33.28,74.24-74.24
+			S271.616,156.416,230.656,156.416z M225.024,208.64c-9.216,0-16.896,7.68-16.896,16.896h-24.576
+			c0.512-23.04,18.944-41.472,41.472-41.472V208.64z"/>
+	</g>
+</g>
+<g>
+	<g>
+		<path d="M455.936,215.296c-25.088-31.232-114.688-133.12-225.28-133.12S30.464,184.064,5.376,215.296
+			c-7.168,8.704-7.168,21.504,0,30.72c25.088,31.232,114.688,133.12,225.28,133.12s200.192-101.888,225.28-133.12
+			C463.104,237.312,463.104,224.512,455.936,215.296z M230.656,338.176c-59.392,0-107.52-48.128-107.52-107.52
+			s48.128-107.52,107.52-107.52s107.52,48.128,107.52,107.52S290.048,338.176,230.656,338.176z"/>
+	</g>
+</g>
+</svg>

index.html

@@ -5,24 +5,25 @@
 	<meta http-equiv="x-ua-compatible" content="IE=edge" />
 	<title>miniPaint - image editor</title>
 	<meta name="description" content="miniPaint is free online image editor using HTML5. Edit, adjust your images, add effects online in your browser, without installing anything..." />
-	<meta name="keywords" content="photo, image, picture, transparent, layers, free, edit, html5, canvas, javascript, online, photoshop, gimp, effects, sharpen, blur, magic wand tool, clone tool, rotate, resize, photoshop online, online tools, tilt shift, sprites, keypoints" />
-	<meta name="viewport" content="width=device-width, initial-scale=1" />
-	<link rel="shortcut icon" href="images/favicon.png?v2" />
+	<meta name="keywords" content="photo, image, picture, transparent, layers, free, edit, html5, canvas, javascript, online, photoshop, gimp, effects, sharpen, blur, magic eraser tool, clone tool, rotate, resize, photoshop online, online tools, tilt shift, sprites, keypoints" />
+	<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0, user-scalable=0" />
+	<link rel="icon" sizes="192x192" href="images/favicon.png">
+	<!-- <link rel="manifest" href="dist/manifest.json"> -->
 	<!-- Google -->
 	<meta itemprop="name" content="miniPaint" />
 	<meta itemprop="description" content="miniPaint is free online image editor using HTML5. Edit, adjust your images, add effects online in your browser, without installing anything..." />
-	<meta itemprop="image" content="http://viliusle.github.io/miniPaint/images/preview.jpg" />
+	<meta itemprop="image" content="https://viliusle.github.io/miniPaint/images/preview.jpg" />
 	<!-- Twitter -->
 	<meta name="twitter:card" content="summary_large_image" />
 	<meta name="twitter:title" content="miniPaint" />
 	<meta name="twitter:description" content="miniPaint is free online image editor using HTML5. Edit, adjust your images, add effects online in your browser, without installing anything..." />
-	<meta name="twitter:image" content="http://viliusle.github.io/miniPaint/images/preview.jpg" />
+	<meta name="twitter:image" content="https://viliusle.github.io/miniPaint/images/preview.jpg" />
 	<meta name="twitter:image:alt" content="miniPaint is free online image editor using HTML5. Edit, adjust your images, add effects online in your browser, without installing anything..." />
 	<!-- Facebook, Pinterest -->
 	<meta property="og:title" content="miniPaint" />
 	<meta property="og:type" content="article" />
-	<meta property="og:url" content="http://viliusle.github.io/miniPaint/" />
-	<meta property="og:image" content="http://viliusle.github.io/miniPaint/images/preview.jpg" />
+	<meta property="og:url" content="https://viliusle.github.io/miniPaint/" />
+	<meta property="og:image" content="https://viliusle.github.io/miniPaint/images/preview.jpg" />
 	<meta property="og:description" content="miniPaint is free online image editor using HTML5. Edit, adjust your images, add effects online in your browser, without installing anything..." />
 	<meta property="og:site_name" content="miniPaint" />
 	
@@ -30,24 +31,35 @@
 </head>
 <body>
 	<div class="wrapper">
+
+		<nav aria-label="Main Menu" class="main_menu" id="main_menu"></nav>
 		
 		<div class="submenu">
-			<a class="logo" href="">miniPaint</a>
+			<a class="logo" href="#">miniPaint</a>
 			<div class="block attributes" id="action_attributes"></div>
-			<div class="clear"></div>
+			<button class="undo_button" id="undo_button" type="button">
+				<span class="sr_only">Undo</span>
+			</button>
 		</div>
 		
 		<div class="sidebar_left" id="tools_container"></div>
-		
-		<div class="main_wrapper" id="main_wrapper">
-			<div class="canvas_wrapper" id="canvas_wrapper">
-				<div id="mouse"></div>
-				<div class="transparent-grid" id="canvas_minipaint_background"></div>
-				<canvas id="canvas_minipaint">
-					<div class="trn error">
-						Your browser does not support canvas or JavaScript is not enabled.
-					</div>
-				</canvas>
+
+
+		<div class="middle_area" id="middle_area">
+
+			<canvas class="ruler_left" id="ruler_left"></canvas>
+			<canvas class="ruler_top" id="ruler_top"></canvas>
+
+			<div class="main_wrapper" id="main_wrapper">
+				<div class="canvas_wrapper" id="canvas_wrapper">
+					<div id="mouse"></div>
+					<div class="transparent-grid" id="canvas_minipaint_background"></div>
+					<canvas id="canvas_minipaint">
+						<div class="trn error">
+							Your browser does not support canvas or JavaScript is not enabled.
+						</div>
+					</canvas>
+				</div>
 			</div>
 		</div>
 
@@ -59,12 +71,6 @@
 			
 			<div class="colors block">
 				<h2 class="trn toggle" data-target="toggle_colors">Colors</h2>
-				<input
-					title="Click to change color" 
-					type="color" 
-					class="color_area" 
-					id="main_color" 
-					value="#0000ff"	/>
 				<div class="content" id="toggle_colors"></div>
 			</div>
 			
@@ -75,7 +81,7 @@
 			
 			<div class="details block" id="details_base">
 				<h2 class="trn toggle toggle-full" data-target="toggle_details">Layer details</h2>
-				<div class="content" id="toggle_details"></div>
+				<div class="content details-content" id="toggle_details"></div>
 			</div>
 			
 			<div class="layers block">
@@ -85,10 +91,14 @@
 		</div>
 	</div>
 	<div class="mobile_menu">
-		<button class="right_mobile_menu" id="mobile_menu_button" type="button"></button>
+		<button class="left_mobile_menu" id="left_mobile_menu_button" type="button">
+			<span class="sr_only">Toggle Menu</span>
+		</button>
+		<button class="right_mobile_menu" id="mobile_menu_button" type="button">
+			<span class="sr_only">Toggle Menu</span>
+		</button>
 	</div>
-	<div class="ddsmoothmenu" id="main_menu"></div>
 	<div class="hidden" id="tmp"></div>
-	<div id="popup"></div>
+	<div id="popups"></div>
 </body>
 </html>

manifest-disabled.json

@@ -0,0 +1,41 @@
+{
+	"name": "miniPaint",
+	"short_name": "miniPaint",
+	"start_url": "/",
+	"display": "standalone",
+	"orientation": "landscape",
+	"background_color": "#666d6f",
+	"description": "miniPaint is free online image editor using HTML5.",
+	"icons": [
+		{
+			"src": "images/manifest/48x48.png",
+			"sizes": "48x48",
+			"type": "image/png"
+		},
+		{
+			"src": "images/manifest/72x72.png",
+			"sizes": "72x72",
+			"type": "image/png"
+		},
+		{
+			"src": "images/manifest/96x96.png",
+			"sizes": "96x96",
+			"type": "image/png"
+		},
+		{
+			"src": "images/manifest/144x144.png",
+			"sizes": "144x144",
+			"type": "image/png"
+		},
+		{
+			"src": "images/manifest/168x168.png",
+			"sizes": "168x168",
+			"type": "image/png"
+		},
+		{
+			"src": "images/manifest/192x192.png",
+			"sizes": "192x192",
+			"type": "image/png"
+		}
+	]
+}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "miniPaint",
-  "version": "4.0.1",
+  "version": "4.14.2",
   "author": "Vilius L.",
   "description": "Online graphics editing tool lets create, edit images using HTML5 technologies.",
   "keywords": [
@@ -10,31 +10,42 @@
     "layers",
     "effects"
   ],
+  "scripts": {
+    "server": "webpack serve --mode development --env development --open",
+    "dev": "webpack --mode development",
+    "build": "webpack --mode production"
+  },
   "repository": {
     "type": "git",
     "url": "https://github.com/viliusle/miniPaint"
   },
   "homepage": "https://github.com/viliusle/miniPaint",
-  "license": "GPL-3.0",
+  "license": "MIT",
   "devDependencies": {
-    "amd-optimize": "^0.6.1",
-    "babel-core": "^6.26.0",
-    "babel-loader": "^7.1.2",
-    "babel-preset-env": "^1.6.1",
-    "css-loader": "^0.28.7",
-    "extract-text-webpack-plugin": "^3.0.2",
-    "source-map-loader": "^0.2.3",
-    "style-loader": "^0.19.0",
-    "webpack": "^3.9.1",
-    "webpack-dev-server": "^2.9.5"
+    "@babel/core": "^7.14.5",
+    "@babel/plugin-transform-runtime": "^7.14.5",
+    "@babel/preset-env": "^7.14.5",
+    "babel-loader": "^8.2.2",
+    "css-loader": "^5.2.6",
+    "source-map-loader": "^3.0.0",
+    "style-loader": "^2.0.0",
+    "webpack": "^5.76.0",
+    "webpack-cli": "^4.7.2",
+    "webpack-dev-server": "^4.3.1"
   },
   "dependencies": {
-    "alertifyjs": "^1.11.0",
-    "blueimp-canvas-to-blob": "^3.14.0",
+    "@babel/runtime": "^7.14.5",
+    "alertifyjs": "^1.13.1",
+    "blueimp-canvas-to-blob": "^3.28.0",
     "exif-js": "^2.3.0",
-    "file-saver": "^1.3.3",
+    "file-saver": "^2.0.5",
+    "fuzzysort": "^1.1.4",
     "gif.js.optimized": "^1.0.1",
     "hermite-resize": "git+https://github.com/viliusle/Hermite-resize.git",
-    "jquery": "^3.2.1"
+    "jquery": "^3.5.1",
+    "pica": "^7.0.0",
+    "semver-compare": "^1.0.0",
+    "uuid": "^8.3.2",
+    "webfontloader": "^1.6.28"
   }
 }

service-worker.js

@@ -0,0 +1,68 @@
+
+//IMPORTANT - this file is not used !!!
+
+
+// use a cacheName for cache versioning
+var cacheName = 'v1:static';
+
+// during the install phase you usually want to cache static assets
+self.addEventListener('install', function(e) {
+	// once the SW is installed, go ahead and fetch the resources to make this work offline
+	e.waitUntil(
+		caches.open(cacheName).then(function(cache) {
+			return cache.addAll([
+				'./',
+				'./dist/bundle.js',
+				'./images/favicon.png',
+				'./images/logo.svg',
+				'./images/logo-colors.png',
+				'./images/icons/animation.svg',
+				'./images/icons/blur.svg',
+				'./images/icons/bold.svg',
+				'./images/icons/brush.svg',
+				'./images/icons/bulge_pinch.svg',
+				'./images/icons/clone.svg',
+				'./images/icons/crop.svg',
+				'./images/icons/delete.svg',
+				'./images/icons/desaturate.svg',
+				'./images/icons/erase.svg',
+				'./images/icons/external.png',
+				'./images/icons/fill.svg',
+				'./images/icons/gradient.png',
+				'./images/icons/grid.png',
+				'./images/icons/italic.svg',
+				'./images/icons/magic_erase.svg',
+				'./images/icons/media.svg',
+				'./images/icons/menu.svg',
+				'./images/icons/pencil.svg',
+				'./images/icons/pick_color.svg',
+				'./images/icons/refresh.svg',
+				'./images/icons/select.svg',
+				'./images/icons/selection.svg',
+				'./images/icons/shape.svg',
+				'./images/icons/sharpen.svg',
+				'./images/icons/strikethrough.svg',
+				'./images/icons/text.svg',
+				'./images/icons/underline.svg',
+				'./images/icons/view.svg'
+			]).then(function() {
+				self.skipWaiting();
+			});
+		})
+	);
+});
+
+// when the browser fetches a url
+self.addEventListener('fetch', function(event) {
+	// either respond with the cached object or go ahead and fetch the actual url
+	event.respondWith(
+		caches.match(event.request).then(function(response) {
+			if (response) {
+				// retrieve from cache
+				return response;
+			}
+			// fetch as normal
+			return fetch(event.request);
+		})
+	);
+});

src/css/component.css

@@ -0,0 +1,732 @@
+/*****************\
+| UI Button Group |
+\*****************/
+
+.ui_button_group {
+    display: flex;
+    flex-direction: row;
+    flex-wrap: wrap;
+}
+.ui_button_group.no_wrap {
+    flex-wrap: nowrap;
+}
+.ui_button_group.stacked {
+    margin: .75rem 0;
+}
+.ui_button_group.stacked:first-child {
+    margin-top: 0;
+}
+.ui_button_group.stacked:last-child {
+    margin-bottom: 0;
+}
+.ui_button_group > button,
+.ui_button_group > input[type="button"] {
+    border-radius: 0;
+}
+.ui_button_group > button:focus,
+.ui_button_group > input[type="button"]:focus {
+    z-index: 1;
+}
+.ui_button_group > button + button,
+.ui_button_group > button + input[type="button"],
+.ui_button_group > input[type="button"] + button,
+.ui_button_group > input[type="button"] + input[type="button"] {
+    margin-left: -1px;
+}
+.ui_button_group > button:first-child,
+.ui_button_group > input[type="button"]:first-child {
+    border-radius: var(--button-border-radius) 0 0 var(--button-border-radius);
+}
+.ui_button_group > button:last-child,
+.ui_button_group > input[type="button"]:last-child {
+    border-radius: 0 var(--button-border-radius) var(--button-border-radius) 0;
+}
+
+/****************\
+| UI Color Input |
+\****************/
+
+.ui_color_input {
+    display: inline-block;
+    padding: 0;
+    margin: 0;
+    position: relative;
+    overflow: hidden;
+    vertical-align: middle;   
+}
+
+.ui_color_input input[type="color"] {
+    display: block;
+    cursor: pointer;
+	padding: 0;
+    border: .2rem solid var(--input-background-color);
+	width: 3rem;
+}
+
+.ui_color_input .alpha_overlay {
+    background-image:  url('data:image/png;base64,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');
+    background-size: 100% 100%;
+    position: absolute;
+    top: 3px;
+    left: 3px;
+    right: 3px;
+    bottom: 3px;
+    pointer-events: none;
+}
+
+/**************************\
+| UI Color Picker Gradient |
+\**************************/
+
+.ui_color_picker_gradient {
+    padding: 0 0 80% 0;
+    position: relative;
+    width: 100%;
+}
+
+.ui_color_picker_gradient .primary_pick {
+    position: absolute;
+    left: 86%;
+    right: 0;
+    top: 0;
+    bottom: 0;
+    background: white;
+}
+
+.ui_color_picker_gradient .secondary_pick {
+    position: absolute;
+    left: 0;
+    right: 17%;
+    top: 0;
+    bottom: 0;
+    border: 1px solid var(--border-color);
+    background: green;
+}
+
+.ui_color_picker_gradient .secondary_pick:focus {
+    outline: 0;
+    border: 1px solid var(--input-border-color-active);
+}
+
+.ui_color_picker_gradient .secondary_pick .saturation_gradient {
+    position: absolute;
+    left: 0;
+    right: 0;
+    top: 0;
+    bottom: 0;
+    background: linear-gradient(to right, #fff, rgba(204, 154, 129, 0));
+}
+
+.ui_color_picker_gradient .secondary_pick .value_gradient {
+    position: absolute;
+    left: 0;
+    right: 0;
+    top: 0;
+    bottom: 0;
+    background: linear-gradient(to top, #000, rgba(204, 154, 129, 0));
+}
+
+.ui_color_picker_gradient .secondary_pick .handle {
+    position: absolute;
+    left: 0;
+    right: auto;
+    top: 0;
+    bottom: auto;
+    pointer-events: none;
+}
+
+.ui_color_picker_gradient .secondary_pick .handle:before {
+    content: '';
+    display: block;
+    position: absolute;
+    left: -.6rem;
+    top: -.6rem;
+    height: .3rem;
+    width: .3rem;
+    border: .4rem solid #999;
+    border-radius: 1000px;
+}
+
+.ui_color_picker_gradient .secondary_pick .handle:after {
+    content: '';
+    display: block;
+    position: absolute;
+    left: -.5rem;
+    top: -.5rem;
+    height: .5rem;
+    width: .5rem;
+    border: .2rem solid white;
+    border-radius: 1000px;
+}
+
+.ui_color_picker_gradient .primary_pick .ui_range {
+    border-color: rgba(1, 1, 1, 0.1);
+}
+.ui_color_picker_gradient .primary_pick .ui_range:focus {
+    border-color: var(--input-border-color-active);
+}
+
+/*****************\
+| UI Color Sample |
+\*****************/
+
+.ui_color_sample {
+    border: 1px solid #999;
+    box-shadow: 0 0 0 1px #555 inset;
+    display: block;
+    height: 28px;
+    width: 28px;
+}
+
+/***************\
+| UI Flex Group |
+\***************/
+
+.ui_flex_group {
+    display: flex;
+    flex-direction: row;
+}
+.ui_flex_group.stacked {
+    margin: .75rem 0;
+}
+.ui_flex_group.stacked:first-child {
+    margin-top: 0;
+}
+.ui_flex_group.stacked:last-child {
+    margin-bottom: 0;
+}
+.ui_flex_group.column {
+    flex-direction: column;
+}
+.ui_flex_group.justify_content_center {
+    justify-content: center;
+}
+.ui_flex_group.justify_content_start {
+    justify-content: flex-start;
+}
+.ui_flex_group.justify_content_end {
+    justify-content: flex-end;
+}
+.ui_flex_group.justify_content_space_around {
+    justify-content: space-around;
+}
+.ui_flex_group.justify_content_space_between {
+    justify-content: space-between;
+}
+.ui_flex_group.align_items_baseline {
+    align-items: baseline;
+}
+.ui_flex_group.align_items_center {
+    align-items: center;
+}
+.ui_flex_group.align_items_start {
+    align-items: flex-start;
+}
+.ui_flex_group.align_items_end {
+    align-items: flex-end;
+}
+.ui_flex_group.align_items_stretch {
+    align-items: stretch;
+}
+
+/****************\
+| UI Icon Button |
+\****************/
+
+.ui_icon_button {
+    height: 2.8rem;
+    line-height: 2.8rem;
+}
+
+.ui_icon_button.input_height {
+    height: 2.4rem;
+    line-height: 2.4rem;
+}
+
+.ui_icon_button > svg {
+    display: block;
+    font-size: 1.6rem;
+}
+.ui_icon_button > img {
+    display: block;
+    margin: 0 auto;
+}
+button img{
+    filter: var(--menu-icons-filter);
+}
+
+/****************\
+| UI Input Group |
+\****************/
+
+.ui_input_group {
+    display: flex;
+    flex-direction: row;
+    min-height: 2.4rem;
+    width: 100%;
+}
+.ui_input_group.stacked {
+    margin: .75rem 0;
+}
+.ui_input_group.stacked:first-child {
+    margin-top: 0;
+}
+.ui_input_group.stacked:last-child {
+    margin-bottom: 0;
+}
+.ui_input_group > input,
+.ui_input_group > .ui_number_input,
+.ui_input_group > .ui_range,
+.ui_input_group > .ui_color_sample {
+    border-radius: 0;
+    height: auto;
+    min-width: 0;
+}
+.ui_input_group > .ui_color_sample {
+    border: none;
+    width: 100%;
+}
+.ui_input_group > :first-child {
+    border-radius: var(--input-border-radius) 0 0 var(--input-border-radius);
+}
+.ui_input_group > :last-child {
+    border-radius: 0 var(--input-border-radius) var(--input-border-radius) 0;
+}
+.ui_input_group > label {
+    display: flex;
+    align-items: center;
+    border: 1px solid var(--input-group-border-color);
+    border-right: 0;
+    margin: 0;
+    padding: 0 .75rem;
+}
+.ui_input_group > .ui_range + input,
+.ui_input_group > .ui_range + .ui_number_input {
+    margin-left: -1px;
+}
+
+.ui_input_grid {
+    border-radius: var(--input-border-radius);
+    box-shadow: 0 1px 0 0 rgba(1, 1, 1, 0.1);
+}
+.ui_input_grid.stacked {
+    margin: .75rem 0;
+}
+.ui_input_grid.stacked:first-child {
+    margin-top: 0;
+}
+.ui_input_grid.stacked:last-child {
+    margin-bottom: 0;
+}
+:not(.ui_input_grid) > .ui_input_group {
+    border-radius: var(--input-border-radius);
+    box-shadow: 0 1px 0 0 rgba(1, 1, 1, 0.1);
+}
+.ui_input_grid > .ui_input_group {
+    margin: -1px 0;
+}
+.ui_input_grid > .ui_input_group > :first-child,
+.ui_input_grid > .ui_input_group > :last-child {
+    border-radius: 0;
+}
+.ui_input_grid > .ui_input_group:first-child {
+    margin-top: 0;
+}
+.ui_input_grid > .ui_input_group:first-child > :first-child {
+    border-radius: var(--input-border-radius) 0 0 0;
+}
+.ui_input_grid > .ui_input_group:first-child > :last-child {
+    border-radius: 0 var(--input-border-radius) 0 0;
+}
+.ui_input_grid > .ui_input_group:last-child {
+    margin-bottom: 0;
+}
+.ui_input_grid > .ui_input_group:last-child > :first-child {
+    border-radius: 0 0 0 var(--input-border-radius);
+}
+.ui_input_grid > .ui_input_group:last-child > :last-child {
+    border-radius: 0 0 var(--input-border-radius) 0;
+}
+
+/*****************\
+| UI Number Input |
+\*****************/
+
+.ui_number_input {
+    border: 1px solid var(--input-border-color);
+    border-radius: var(--input-border-radius);
+    display: inline-block;
+    padding: 0;
+    margin: 0;
+    position: relative;
+    overflow: hidden;
+    vertical-align: middle;
+}
+
+.ui_number_input > input[type="number"]::-webkit-outer-spin-button,
+.ui_number_input > input[type="number"]::-webkit-inner-spin-button {
+    -webkit-appearance: none;
+    margin: 0;
+}
+
+.ui_number_input > input[type="number"] {
+    border: none;
+    border-radius: 0;
+    -moz-appearance: textfield;
+    appearance: textfield;
+    padding-right: 2.5rem;
+    padding-right: calc(var(--number-input-arrow-width) + .5rem);
+    width: 100%;
+}
+
+.ui_number_input > .increase_number,
+.ui_number_input > .decrease_number {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    position: absolute;
+    width: 2rem;
+    width: var(--number-input-arrow-width);
+    border-radius: 0;
+    border: 1px solid var(--input-border-color);
+    border-right: none;
+    padding: 0;
+    margin: 0;
+}
+.ui_number_input > ::-moz-focus-inner {
+	border: 0;
+}
+.ui_number_input > .increase_number:focus,
+.ui_number_input > .decrease_number:focus {
+    outline: 0;
+}
+.ui_number_input > .increase_number {
+    right: 0;
+    top: 0;
+    bottom: 50%;
+    border-top: none;
+}
+.ui_number_input > .increase_number::after {
+    content: '';
+    display: block;
+    width: 0; 
+    height: 0; 
+    border-left: 3px solid transparent;
+    border-right: 3px solid transparent;
+    border-bottom: 3px solid var(--input-text-color);
+}
+.ui_number_input > .decrease_number {
+    right: 0;
+    top: calc(50% - 1px);
+    bottom: 0;
+    border-bottom: none;
+}
+.ui_number_input > .decrease_number::after {
+    content: '';
+    display: block;
+    width: 0; 
+    height: 0; 
+    border-left: 3px solid transparent;
+    border-right: 3px solid transparent;
+    border-top: 3px solid var(--input-text-color);
+}
+
+/**********\
+| UI Range |
+\**********/
+
+:root {
+    --range-handle-width: 18px;
+}
+
+.ui_range {
+    display: flex;
+    flex-direction: row;
+    background: var(--input-background-color);
+    border: 1px solid var(--input-border-color);
+    border-radius: 1000px;
+    height: 1.8rem;
+    overflow: visible;
+    outline: 0;
+    padding: 0 calc(var(--range-handle-width) / 2);
+    position: relative;
+    width: 100%;
+}
+.ui_range:focus {
+    border-color: var(--input-border-color-active);
+    z-index: 1;
+}
+
+.ui_range.active {
+    cursor: col-resize;
+}
+
+.ui_range .padded_track {
+    position: absolute;
+    left: calc(var(--range-handle-width) / 2);
+    right: calc(var(--range-handle-width) / 2);
+    top: 0;
+    bottom: 0;
+}
+
+.ui_range .bar {
+    overflow: visible;
+    position: relative;
+    width: 0%;
+}
+
+.ui_range .handle {
+    background: var(--input-text-color);
+    border: 1px solid var(--border-color);
+    border-radius: 1000px;
+    box-sizing: border-box;
+    cursor: col-resize;
+    display: block;
+    height: 1.8rem;
+    width: var(--range-handle-width);
+    position: absolute;
+    top: 50%;
+    right: 0;
+    transform: translate(50%, -50%);
+}
+
+.ui_range.color_picker .handle {
+    background: none;
+    border: none;
+    border-radius: 0;
+    display: flex;
+    flex-direction: column;
+    justify-content: space-between;
+    align-items: center;
+    height: auto;
+    top: 0;
+    bottom: 0;
+    transform: translateX(50%);
+}
+
+.ui_range.color_picker .handle::before {
+    content: '';
+    display: block;
+    width: 0; 
+    height: 0; 
+    border-left: .5rem solid transparent;
+    border-right: .5rem solid transparent;
+    border-top: .7rem solid white;
+}
+.ui_range.color_picker .handle::after {
+    content: '';
+    display: block;
+    width: 0; 
+    height: 0; 
+    border-left: .5rem solid transparent;
+    border-right: .5rem solid transparent;
+    border-bottom: .7rem solid black;
+}
+.ui_range.color_picker .handle:hover::before {
+    border-top-color: #eaeaea;
+}
+.ui_range.color_picker .handle:hover::after {
+    border-bottom-color: #222;
+}
+
+.ui_range.vertical {
+    flex-direction: column;
+    justify-content: flex-end;
+    height: 100%;
+    width: 1.8rem;
+    padding: calc(var(--range-handle-width) / 2) 0;
+}
+
+.ui_range.vertical.active {
+    cursor: row-resize;
+}
+
+.ui_range.vertical .padded_track {
+    left: 0;
+    right: 0;
+    top: calc(var(--range-handle-width) / 2);
+    bottom: calc(var(--range-handle-width) / 2);
+}
+
+.ui_range.vertical .bar {
+    width: 100%;
+    height: 0%;
+}
+
+.ui_range.vertical .handle {
+    transform: translate(50%, -50%);
+    top: 0;
+    right: 50%;
+    cursor: row-resize;
+}
+
+.ui_range.vertical.color_picker_thin {
+    padding: 1px 0;
+    border-radius: 0;
+    width: 100%;
+}
+
+.ui_range.vertical.color_picker_thin .padded_track {
+    top: 0;
+    bottom: 0;
+}
+
+.ui_range.vertical.color_picker_thin .handle  {
+    border-radius: 0;
+    width: 100%;
+    height: .5rem;
+}
+
+/*************\
+| UI Swatches |
+\*************/
+
+.ui_swatches {
+    display: flex;
+    justify-content: center;
+}
+
+.ui_swatches .swatch_group {
+    display: flex;
+    flex-direction: row;
+    flex-wrap: wrap;
+    margin: auto;
+    border-radius: var(--input-border-radius);
+    border: 1px solid var(--border-color);
+    border-right: transparent;
+    box-shadow: 0 1px 0 0 rgba(1, 1, 1, 0.1);
+    overflow: hidden;
+    max-height: calc(2.3rem);
+}
+.ui_swatches .swatch_group:focus {
+    outline: 0;
+    box-shadow: 0 0 0 1px var(--input-border-color-active);
+}
+
+.ui_swatches .swatch_group.rows_2 {
+    max-height: calc(4.6rem - 1px);
+}
+.ui_swatches .swatch_group.rows_3 {
+    max-height: calc(6.9rem - 2px);
+}
+.ui_swatches .swatch_group.cols_1 .swatch {
+    width: 100%;
+}
+.ui_swatches .swatch_group.cols_2 .swatch {
+    width: 50%;
+}
+.ui_swatches .swatch_group.cols_3 .swatch {
+    width: 33.33%;
+}
+.ui_swatches .swatch_group.cols_4 .swatch {
+    width: 25%;
+}
+.ui_swatches .swatch_group.cols_5 .swatch {
+    width: 20%;
+}
+.ui_swatches .swatch_group.cols_6 .swatch {
+    width: 16.66%;
+}
+.ui_swatches .swatch_group.cols_7 .swatch {
+    width: 14.29%;
+}
+.ui_swatches .swatch_group.cols_8 .swatch {
+    width: 12.5%;
+}
+
+.ui_swatches .swatch {
+    background: white;
+    display: inline-block;
+    position: relative;
+    border: 1px solid var(--border-color);
+    border-radius: 0;
+    box-shadow: 0 0 0 1px white inset;
+    margin: -1px 0 0 -1px;
+    padding: 0;
+    height: 2.3rem;
+    min-width: 2.3rem;
+    flex-grow: 1;
+}
+
+.ui_swatches .swatch:hover,
+.ui_swatches .swatch:focus {
+    background: white;
+    box-shadow: 0 0 0 2px white inset, 0 0 0 3px var(--border-color) inset;
+}
+.ui_swatches .swatch:hover:after {
+    content: '';
+    position: absolute;
+    top: 0;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    background: linear-gradient(to bottom right, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.2) 50%, rgba(0, 0, 0, 0.1) 51%,  rgba(0, 0, 0, 0.1) 100%);   
+}
+
+.ui_swatches .swatch.active {
+    box-shadow: 0 0 0 3px var(--button-text-color-active) inset, 0 0 0 4px var(--border-color) inset;
+}
+
+
+/******************\
+| UI Toggle Button |
+\******************/
+
+.ui_toggle_button {
+    padding-left: 2.6rem !important;
+    position: relative;
+}
+.ui_toggle_button:before {
+    background-color: var(--button-toggle-background-color);
+    background-image: url('data:image/svg+xml;utf8,<svg width="1em" height="1em" viewBox="0 0 16 16" class="bi bi-x" fill="white" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" d="M4.646 4.646a.5.5 0 0 1 .708 0L8 7.293l2.646-2.647a.5.5 0 0 1 .708.708L8.707 8l2.647 2.646a.5.5 0 0 1-.708.708L8 8.707l-2.646 2.647a.5.5 0 0 1-.708-.708L7.293 8 4.646 5.354a.5.5 0 0 1 0-.708z"/></svg>');
+    background-position: center;
+    background-repeat: no-repeat;
+    border-radius: var(--button-border-radius) 0 0 var(--button-border-radius);
+    position: absolute;
+    top: 0;
+    bottom: 0;
+    left: 0;
+    width: 1.8rem;
+    content: '';
+}
+.ui_toggle_button[aria-pressed="true"]:before {
+    background-color: var(--button-text-color-active);
+    background-image: url('data:image/svg+xml;utf8,<svg width="0.7em" height="1em" viewBox="0 0 16 16" class="bi bi-check2" fill="currentColor" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"/></svg>');
+}
+
+/* media */
+
+.media-paging{
+    width: 100%;
+    margin: 10px 0;
+    text-align: center;
+}
+.media-paging button{
+    background-color: var(--button-background-color);
+    color: var(--text-color);
+}
+.media-paging button.selected{
+    background-color: var(--background-color-active);
+    color: var(--text-color-active);
+}
+
+/* global search */
+#global_search_results{
+    padding-top: 10px;
+    font-size: 14px;
+}
+#global_search_results .search-result {
+    padding: 3px 5px;
+}
+#global_search_results .search-result.active{
+    background-color: var(--background-color-active);
+    color: var(--text-color-active);
+    border-radius: 2px;
+}
+#global_search_results b{
+    color: var(--text-color-red);
+}
+
+.popup.shortcuts table{
+    line-height: 1;
+}

src/css/layout.css

@@ -1,8 +1,23 @@
 .wrapper{
-	height: calc(100vh - 30px);
+	display: -ms-grid;
+	display: grid;
 	margin: 0;
-	position:relative;
+	position: fixed; /* dont change it, vh does not work on mobiles with bottom footer */
+	top: 30px;
+	right: 0;
+	left: 0;
+	bottom: 5px;
+	height: auto;
 	overflow: hidden;
+
+	-ms-grid-rows: auto 1fr;
+	grid-template-rows: auto 1fr;
+	-ms-grid-columns: auto 1fr auto;
+	grid-template-columns: auto 1fr auto;
+
+	grid-template-areas:
+		"submenu submenu submenu"
+		"sidebar_left main sidebar_right";
 }
 .trn{}
 .toggle{
@@ -11,6 +26,9 @@
 .hidden{
 	display:none;
 }
+.center{
+	text-align: center;
+}
 .pointer{
 	cursor: pointer;
 }
@@ -32,18 +50,6 @@
 .grey{
 	color:grey;
 }
-.external{
-	padding-right: 15px;
-}
-.external:after{
-	position:absolute;
-	content: "";
-	width:10px;
-	height:10px;
-	margin-left: 5px;
-	background: url(images/sprites.png) no-repeat -700px 0;
-	opacity: 0.3;
-}
 .noselect {
 	-webkit-touch-callout: none; /* iOS Safari */
     -webkit-user-select: none; /* Safari */
@@ -53,36 +59,39 @@
 	user-select: none; /* Non-prefixed version */
 }
 .block{
+	position: relative;
 	background-color: rgba(255, 255, 255, 0.2);
-	background-color: var(--background-color-medium);
+	background-color: var(--block-background-color);
 	border: 1px solid rgba(0, 0, 0, 0.5);
-	border: 1px solid var(--background-color-border);
-	padding:5px;
+	border: 1px solid var(--border-color);
 	margin-bottom: 10px;
 	user-select: none;
+	border-radius: 4px;
+}
+.sidebar_right .block{
+	background-color: #68727b;
+	background-color: var(--block-background-color);
+	border-bottom: none;
+	box-shadow: 0 -2px 0 0 var(--header-background-color) inset;
 }
 .block:last-child{
 	margin-bottom: 0;
 }
 .block h2{
 	position: relative;
-	margin: -5px -5px 10px -5px;
-	padding: 2px 5px;
+	padding: 2px 5px 2px 6px;
+	margin: 0;
 	font-size: 110%;
 	background-color: rgba(255, 255, 255, 0.3);
-	background-color: var(--background-color-light);
+	background-color: var(--header-background-color);
 	border-bottom: #555;
+	border-radius: 4px 4px 0 0;
 }
-.block h2:after{
-	position:absolute;
-	content:'';
-	height:0;
-	left:0;
-	right:0;
-	bottom: -2px;
-	border-top: 1px solid #aaa;
+.block.toggled h2, .block h2.toggled:after{
+	border: none;
 }
 .block h2.toggle:before{
+	/* icon */
 	position:absolute;
 	content:'';
 	width: 0;
@@ -90,12 +99,25 @@
 	right: 10px;
 	top: 10px;
 	border-style: solid;
-	border-width: 0 5px 6px 5px;
-	border-color: transparent transparent #333333 transparent;
+	border-width: 0 4px 5px 4px;
+	border-color: transparent transparent var(--text-color-muted) transparent;
 }
 .block h2.toggled:before{
-	border-width: 6px 5px 0 5px;
-	border-color: #333333 transparent transparent transparent;
+	/* icon */
+	border-width: 5px 4px 0 4px;
+	border-color: var(--text-color-muted) transparent transparent transparent;
+}
+.block .content{
+	padding: 7.5px 5px;
+}
+.block_section {
+    margin: .75rem 0;
+}
+.block_section:first-child {
+    margin-top: 0;
+}
+.block_section:last-child {
+    margin-bottom: 0;
 }
 .error{
 	padding:20px;
@@ -106,18 +128,30 @@
 	font-weight:bold;
 }
 
+/* color chooser */
+body .sp-replacer{
+	width: 100%;
+	height: 40px;
+}
+body .sp-preview{
+	width: calc(100% - 20px);
+	height: 100%;
+}
+
 /* ========== header ======================================================== */
 
 .logo{
 	position: relative;
 	display: inline-block;
-	float: left;
 	height: 30px;
+	width: 110px;
 	padding: 5px 5px 5px 36px;
 	margin: 5px;
+	font-size: 14px;
 	text-decoration: none;
 	font-weight: bold;
 	color: #ffffff;
+	color: var(--text-color);
 }
 .logo:after{
 	position:absolute;
@@ -126,126 +160,167 @@
 	top: 0;
 	width: 31px;
 	height: 30px;
-	background: url(images/sprites.png) -50px -100px no-repeat;
+	background: url('images/logo.svg') no-repeat center center;
+	background-size: auto 28px;
+	filter: var(--mobile-menu-toggle-filter);
 }
 .logo:hover:after{
-	animation: shake 0.82s cubic-bezier(0.36, 0.07, 0.19, 0.97);
+	left: 2px;
 }
 .about-logo{
 	margin-left:22%;
-	animation:shake 0.82s cubic-bezier(0.36, 0.07, 0.19, 0.97);;
 }
 .about-name{
 	font-size:15px;
-	color:#006900;
 	font-weight:bold;
 }
-@keyframes shake{
-	10%, 90%{
-		transform: translate(2px, 0px);
-	}
-	20%, 80%{
-		transform: translate(5px 0px);
-	}
-	30%, 50%, 70%{
-		transform: translate(0px 0px;);
-	}
-	40%, 60%{
-		transform: translate(6px 0px);
+.undo_button {
+	display: none;
+	width: 50px;
+	height: 50px;
+	top: 0;
+	border: 0;
+	outline: none;
+	cursor: pointer;
+	filter: var(--mobile-menu-toggle-filter);
+	background: url(images/icons/undo.svg) no-repeat center center;
+	background-size: auto 25px;
+	margin-left: 10px;
+}
+.undo_button:hover {
+	background-color: transparent;
+}
+@media screen and (max-width: 700px){
+	.undo_button {
+		display: block;
 	}
 }
+
 /* ========== sub-header ==================================================== */
 
 .submenu{
-	height:40px;
+	-ms-grid-row: 1;
+	-ms-grid-column: 1;
+	-ms-grid-column-span: 3;
+	grid-area: submenu;
+	display: flex;
+	flex-direction: row;
+	align-items: center;
 	background-color: rgba(255, 255, 255, 0.2);
-	background-color: var(--background-color-medium);
+	background-color: var(--section-background-color);
 	overflow: hidden;
+	margin-bottom: 5px;
 }
 .attributes{
-	float: left;
-	width: calc(100% - 115px);
-	height: 30px;
+	display: flex;
+	flex-wrap: nowrap;
+	background-color: var(--area-background-color);
+	width: calc(100% - 125px);
 	margin-top: 5px;
-	padding: 3px 10px 0 10px;
+	margin-bottom: 5px !important;
+	padding: 3px 10px 3px 10px;
 	border: 0;
+	overflow-x: auto;
+	overflow-y: hidden;
+	white-space: nowrap;
+	min-height: 30px;
 }
 .attributes .item{
-	display: inline-block;
+	display: inline-flex;
+	align-items: center;
 	margin-right: 20px;
 }
+.attributes .item > label {
+	margin: 0 .5rem 0 0;
+}
 .attributes input[type="number"]{
 	width: 60px;
 	margin-right: 5px;
 }
-.attributes button{
+.attributes input[type="color"] {
+	cursor: pointer;
+	padding: 0;
+	border: .2rem solid var(--input-background-color);
+	width: 3rem;
+}
+.attributes .item > button:not(.ui_icon_button){
 	display: inline-block;
 	padding: 3px 10px;
-	border: 1px solid #444;
-	background-color: transparent;
-	margin-right: 5px;
-}
-.attributes button:hover{
-	background-color: rgba(255, 255, 255, 0.3);
-	background-color: var(--background-color-light);
-}
-.attributes button.active{
-	background-color: #419147;
-	background-color: var(--background-color-active);
 }
 
 /* ========== left sidebar ================================================== */
 
 .sidebar_left{
-	position: absolute;
-	left:0px;
-	top: 45px;
+	-ms-grid-row: 2;
+	-ms-grid-column: 1;
+	grid-area: sidebar_left;
+	display: flex;
+	flex-direction: row;
+	flex-wrap: wrap;
+	background-color: var(--section-background-color);
+	padding: 0 5px 5px 0;
+	margin-right: 5px;
+	overflow: hidden;
+	align-self: start;
 	width: 40px;
-	padding: 0 5px;
-	background-color: var(--background-color-medium);
+	overflow-y: auto;
+	max-height: 100%;
 }
 .sidebar_left .item{
+	position: relative;
 	display:block;
-	background-color: rgba(255, 255, 255, 0.2);
-	background-color: var(--background-color-medium);
-	background-image: url(images/sprites.png);
-	background-repeat: no-repeat;
+	background-color: var(--area-background-color);
 	height: 25px;
-	margin: 5px 0 5px 0;
+	width: 30px;
+	margin: 5px 0 0 5px;
 	overflow: hidden;
 	cursor: pointer;
-	/*filter: grayscale(1);*/
+}
+.sidebar_left .item:after{
+	position: absolute;
+	content: '';
+	left:0;
+	top:0;
+	bottom:0;
+	right:0;
+	filter: var(--menu-icons-filter);
+	background-position: center center;
+	background-repeat: no-repeat;
+	background-size: 20px 20px;
 }
 .sidebar_left .item:hover{
-	background-color: rgba(255, 255, 255, 0.5);
-	background-color: var(--background-color-lightest);
+	background-color: var(--background-color-hover);
 }
 .sidebar_left .item.active{
-	background-color: #419147;
 	background-color: var(--background-color-active);
+	color: var(--text-color-active);
+}
+.sidebar_left .item.active:after{
+	filter: var(--menu-icons-filter-active);
 }
 
-.sidebar_left .select{ background-position: -342px 2px; }
-.sidebar_left .selection{ background-position: -43px -47px; }
-.sidebar_left .magic_wand{ background-position: -294px -48px; }
-.sidebar_left .brush{ background-position: 5px 3px; }
-.sidebar_left .erase{ background-position: -444px 3px; }
-.sidebar_left .fill{ background-position: -145px 2px; }
-.sidebar_left .pick_color{ background-position: -644px 3px; }
-.sidebar_left .pencil{ background-position: -594px 3px; }
-.sidebar_left .line{ background-position: -193px -46px; }
-.sidebar_left .text{ background-position: -394px 4px; }
-.sidebar_left .rectangle{ background-position: -94px -45px; }
-.sidebar_left .circle{ background-position:  -547px 2px; }
-.sidebar_left .blur{ background-position: -41px 2px; }
-.sidebar_left .sharpen{ background-position: 6px -47px; }
-.sidebar_left .desaturate{ background-position: -195px 3px; }
-.sidebar_left .bulge_pinch{ background-position: -93px 5px; }
-.sidebar_left .clone{ background-position: -493px 2px; }
-.sidebar_left .gradient{ background-position: -243px 5px; }
-.sidebar_left .crop{ background-position: -294px 3px; }
-.sidebar_left .animation{ background-position: -244px -47px; }
-.sidebar_left .media{ background-position: -145px -47px; }
+/*
+IMPORTANT: any new icon should also must be added on /service-worker.js + its version should be updated - FEATURE DISABLED
+ */
+.sidebar_left .select:after{ background-image: url('images/icons/select.svg'); }
+.sidebar_left .selection:after{ background-image: url('images/icons/selection.svg'); }
+.sidebar_left .brush:after{ background-image: url('images/icons/brush.svg'); }
+.sidebar_left .pencil:after{ background-image: url('images/icons/pencil.svg'); }
+.sidebar_left .pick_color:after{ background-image: url('images/icons/pick_color.svg'); }
+.sidebar_left .erase:after{ background-image: url('images/icons/erase.svg'); }
+.sidebar_left .magic_erase:after{ background-image: url('images/icons/magic_erase.svg'); }
+.sidebar_left .fill:after{ background-image: url('images/icons/fill.svg'); }
+.sidebar_left .media:after{ background-image: url('images/icons/media.svg'); }
+.sidebar_left .shape:after{ background-image: url('images/icons/shape.svg'); }
+.sidebar_left .text:after{ background-image: url('images/icons/text.svg'); background-size: 16px auto; }
+.sidebar_left .gradient:after{ background-image: url('images/icons/gradient.png'); background-size: 18px 12px; filter: none; }
+.sidebar_left .clone:after{ background-image: url('images/icons/clone.svg'); }
+.sidebar_left .crop:after{ background-image: url('images/icons/crop.svg'); }
+.sidebar_left .blur:after{ background-image: url('images/icons/blur.svg'); }
+.sidebar_left .sharpen:after{ background-image: url('images/icons/sharpen.svg'); }
+.sidebar_left .desaturate:after{ background-image: url('images/icons/desaturate.svg'); }
+.sidebar_left .bulge_pinch:after{ background-image: url('images/icons/bulge_pinch.svg'); }
+.sidebar_left .animation:after{ background-image: url('images/icons/animation.svg'); }
 
 @media screen and (max-width:550px){
 	#sidebar_left{
@@ -256,31 +331,39 @@
 /* ========== right sidebar ================================================= */
 
 .sidebar_right{
-	position: absolute;
+	-ms-grid-row: 2;
+	-ms-grid-column: 3;
+	grid-area: sidebar_right;
 	z-index: 2;
 	display: flex;
 	flex-direction: column;
-	right: 5px;
-	top: 45px;
-	width: 200px;
-	height: calc(100vh - 80px);
-	background-color: #424F5A;
-	background-color: var(--background-color);
 	transition: 0.2s;
+	overflow-x: hidden;
+	overflow-y: scroll;
+	margin: 0 5px;
+	width: 200px;
 }
 .sidebar_right.active{
-	right:0 !important;
+	right: 0 !important;
 }
 .sidebar_right .block.layers{
 	flex: 1;
-	overflow-y: auto;
+}
+.sidebar_right .block.layers .content{
+	padding-bottom: 25px;
 }
 
 /* preview */
 .canvas_preview_wrapper{
 	position:relative;
 	height:100px;
-	margin-bottom:10px;
+	margin: 5px 5px 10px 5px;
+}
+.canvas_preview_details{
+	padding: 0 5px;
+}
+.canvas_preview_details button{
+	margin: 0;
 }
 .preview canvas{
 	cursor: pointer;
@@ -292,46 +375,10 @@
 /* color */
 .color_area{
 	border: 1px solid #444;
-	width: 100%;
+	width: calc(100% - 10px);
 	height: 40px;
 	cursor: pointer;
-}
-.colors .content{
-	margin-top: 10px;
-}
-.main_color_alt{
-	border:1px solid #393939;
-	margin-top:10px;
-	width:100%;
-	height:40px;
-}
-.main_color_rgb{
-	margin-top:10px;
-}
-.main_color_rgb div{
-	display: inline-block;
-	width: calc(50% - 3px);
-	vertical-align: top;
-}
-.main_color_rgb span, .hex{
-	display: inline-block;
-	font-weight: bold;
-	width: 35px;
-}
-.main_color_rgb input{
-	width:50px;
-}
-.main_color_rgb .red{ color:#aa0000; }
-.main_color_rgb .green{ color:#00aa00; }
-.main_color_rgb .blue{ color:#0000aa; }
-.main_color_rgb .alpha{ color: #333333; }
-
-.color_hex{
-	width: calc(100% - 41px);
-}
-#all_colors{
-	margin-top:10px;
-	padding:3px 0px 3px 3px;
+	margin: 5px;
 }
 
 /* layers */
@@ -343,19 +390,21 @@
 	float:right;
 	margin-left:5px;
 	padding:1px 8px;
-	background-color: rgba(255, 255, 255, 0.2);
-	background-color: var(--background-color-medium);
 	border:1px solid #444;
+	border-color: var(--border-color);
 	text-decoration:none;
-	color:#000000;
+	color:var(--text-color);
 	font-size:12px;
 }
 .layer_add{
 	display:inline-block;
 	padding:1px 8px;
+	margin-right: 10px;
 	background-color: #419147;
 	background-color: var(--background-color-active);
 	border:1px solid #444;
+	border-color: var(--border-color);
+	color: var(--text-color-active);
 	cursor:pointer;
 	text-decoration:none;
 }
@@ -366,29 +415,69 @@
 	display:block;
 	padding:1px 5px 3px 5px;
 	height:19px;
+	width: calc(100% - 44px);
+	text-align: left;
 	overflow:hidden;
 	background-color:#989898;
+	background-color: var(--area-background-color);
 	border:1px solid #393939;
+	border-color: var(--border-color);
 	border-radius:3px;
 	cursor:pointer;
 	overflow:hidden;
 	font-size: 12px;
-	color:#333333;
+	color:var(--text-color);
 	white-space: nowrap;
 }
+.layers_list .item.shorter .layer_name{
+	width: calc(100% - 63px);
+}
 .layers_list .item.active .layer_name{
-	background-color: #419147;
 	background-color: var(--background-color-active);
+	color: var(--text-color-active);
+}
+.layers_list .arrow_down{
+	position: relative;
+	float:left;
+	margin-right: 5px;
+	width:10px;
+	height:19px;
+	opacity: 0.4;
+}
+.layers_list .arrow_down:after{
+	position: absolute;
+	content: '';
+	left:0;
+	top:0;
+	bottom:0;
+	right:0;
+	filter: var(--menu-icons-filter);
+	background: url('images/icons/arrow-down.svg') no-repeat center center;
+	background-size: 12px auto;
 }
 .layers_list .visibility{
+	position: relative;
 	float:left;
 	cursor:pointer;
 	padding:0px 3px 0px 3px;
 	margin-right: 5px;
 	width:20px;
 	height:19px;
-	background: url('images/sprites.png') no-repeat -148px -99px;
 	opacity:0.1;
+	border: none;
+	background: transparent;
+	box-shadow: none;
+}
+.layers_list .visibility:after{
+	position: absolute;
+	content: '';
+	left:0;
+	top:0;
+	bottom:0;
+	right:0;
+	filter: var(--menu-icons-filter);
+	background: url('images/icons/view.svg') no-repeat center center;
+	background-size: 18px auto;
 }
 .layers_list .visible{ opacity:0.4; }
 .layers_list .delete{
@@ -398,7 +487,10 @@
 	width:12px;
 	height:19px;
 	margin-left: 5px;
-	background: url('images/sprites.png') no-repeat -100px -96px;
+	background: transparent url(images/icons/delete.svg) no-repeat center center;
+	background-size: 10px 10px;
+	border: none;
+	box-shadow: none;
 }
 /* filters */
 .layers_list .filters{
@@ -420,74 +512,150 @@
 	bottom:0;
 	width: 20px;
 }
-
 .sidebar_right .label{
 	display: inline-block;
-	width: 60px;
-}
-.sidebar_right button.extra{
-	border: 1px solid #444;
-	background-color: var(--background-color-medium);
 }
 .info .toggle.toggled{
 	margin-bottom: -3px;
 }
-.toggle-full.toggle.toggled{
-	margin-bottom: -3px;
-}
 .block.details .row{
 	clear:both;
-	margin-bottom: 2px;
+	margin-bottom: 4px;
+	min-height: 23px;
 }
-.block.details input{
+.block.details input[type="number"]{
 	width: 70px;
 	padding: 3px 5px;
+	float: right;
+}
+.block.details .ui_color_input{
+	width: 70px;
+	float: right;
+}
+.block.details .ui_color_input input{
+	width: 100%;
+	height: 23px;
+}
+.block.details button.ui_toggle_button{
+	width: 90px;
+	float: right;
 }
 .block.details select{
 	width: calc(100% - 70px);
 	height: 23px;
+	float: right;
 }
 .block.details button{
+	width: calc(100% - 70px);
 	height: 23px;
 	border: 1px solid #444;
-	background-color: var(--background-color-medium);
 }
 .block.details button.reset{
+	position: relative;
 	width: 25px;
+	float: right;
+	margin-right: 3px;
 	overflow: hidden;
-	opacity: 0.3;
-	background-image: url(images/sprites.png);
-	background-repeat: no-repeat;
-	background-position: -747px 2px;
+	opacity: 0.5;
 	color: transparent;
 }
+.block.details button.reset:after{
+	position: absolute;
+	content: '';
+	left:0;
+	top:0;
+	bottom:0;
+	right:0;
+	background: url(images/icons/refresh.svg) no-repeat center center;
+	background-size: auto 14px;
+	filter: var(--menu-icons-filter);
+}
 .block.details button.active{
-	background-color:  var(--background-color-active);
+	background-color: var(--background-color-active);
+	color: var(--text-color-active);
+}
+.details-content{
+	height: 206px;
+	overflow-y: auto;
 }
 
 @media screen and (max-width:700px){
+	body{
+		padding-top:50px;
+	}
+	.wrapper{
+		top: 50px;
+	}
+	.sidebar_left{
+		position: absolute;
+		left: -90px;
+		background: var(--background);
+	}
+	.sidebar_left.active{
+		box-shadow: -5px 0px 10px 0px rgba(0,0,0,0.75);
+		left: 0;
+		z-index: 3;
+	}
 	.sidebar_right{
-		right: -200px;
+		position: absolute;
+		height: 100%;
+		right: -210px;
+		background: var(--background);
 	}
 	.sidebar_right.active{
 		box-shadow: -5px 0px 10px 0px rgba(0,0,0,0.75);
+		right: 0;
+		margin-right: 0;
 	}
 }
 
 /* ========== content ======================================================= */
 
+.ruler_left{
+	display: none;
+	position: absolute;
+	left:0;
+	top: 20px;
+	background-color: #ccc;
+}
+.ruler_top{
+	display: none;
+	position: absolute;
+	left: 20px;
+	top:0;
+	background-color: #ccc;
+}
+.middle_area{
+	position: relative;
+	-ms-grid-row: 2;
+	-ms-grid-column: 2;
+	grid-area: main;
+}
 .main_wrapper{
-	height: calc(100vh - 80px);
-	margin: 5px 210px 5px 45px;
+	position:absolute;
+	top:0;
+	right:0;
+	bottom:0;
+	left:0;
 	overflow: hidden;
+	display: flex;
+	justify-content: center;
+	align-items: center;
+}
+.middle_area.has-ruler .main_wrapper{
+	top: 20px;
+	left: 20px;
 }
 .canvas_wrapper{
 	position:relative;
 }
 .canvas_wrapper canvas{
 	position: absolute;
-	border: 1px solid #393939;
 	box-sizing: content-box;
+	font-kerning: normal !important;
+}
+.loaded .canvas_wrapper canvas{
+	border: 1px solid var(--border-color);
 }
 #mouse{
 	position:absolute;
@@ -508,16 +676,10 @@
 	height: 100%;
 	position: absolute;
 	pointer-events: none;
-	/*background: url(images/grid.png) repeat top left;*/
+	/*background: url(images/icons/grid.png) repeat top left;*/
 	background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAQElEQVQ4T2N89+7dfwYigKCgIBGqGBgYRw3EGU6jYYgzaIZAsvn//z9ROeX9+/fE5ZRRA3GG02gY4s4pgz7ZAAAnSWvHPkHXaAAAAABJRU5ErkJggg==') repeat top left;
 	z-index:1;
-	/* disable antialiasing */
-	image-rendering: optimizeSpeed;
-	image-rendering: -moz-crisp-edges;
-	image-rendering: -webkit-optimize-contrast;
-	image-rendering: -o-crisp-edges;
-	image-rendering: pixelated;
-	-ms-interpolation-mode: nearest-neighbor;
+	image-rendering: pixelated; /* disable antialiasing */
 }
 .transparent-grid.white{
 	background:white;
@@ -541,7 +703,7 @@ canvas{
 	pointer-events:none;
 }
 .group{
-	border:1px solid #888888;
+	border:1px solid #999999;
 	margin: 5px 0px 5px 0px;
 	padding:5px 8px;
 }
@@ -558,17 +720,50 @@ canvas{
 	height: 0;
 	border: none;
 }
-
-@media screen and (max-width:700px){
-	body{
-		padding-top:50px;
-	}
-	.main_wrapper{
-		margin-right: 5px;
-	}
+.alertify-notifier{
+	color: black;
 }
+.effectsPreview{
+	cursor: pointer;
+	background-color: #ddd;
+}
+
 @media screen and (max-width:550px){
 	.canvas_wrapper{
 		margin-left: 0px;
 	}
+}
+@media screen and (max-height: 690px){
+	.sidebar_left{
+		width: 75px;
+	}
+}
+@media screen and (max-height:450px){
+	.sidebar_left{
+		width: 88px;
+	}
+}
+
+/* ========== dialogs ======================================================= */
+
+#dialog_color_picker_group {
+	width: 60%;
+}
+#dialog_color_channel_group {
+	width: 40%;
+	margin-left: 1rem;
+}
+
+@media screen and (max-width: 450px) {
+	#dialog_color_picker .ui_flex_group {
+		flex-wrap: wrap;
+	}
+	#dialog_color_picker_group {
+		width: 100%;
+	}
+	#dialog_color_channel_group {
+		width: 100%;
+		margin-left: 0;
+		margin-top: 1rem;
+	}
 }

src/css/menu.css

@@ -1,214 +1,202 @@
-.mobile_menu{
-	display:none;
-	position: absolute;
-	width:100%;
-	top: 0;
+:root {
+	--menu-dropdown-background-color: #ffffff;
+	--menu-dropdown-border-color: #49844d;
+	--menu-dropdown-text-color: #2d2b2b;
+	--menu-dropdown-text-muted-color: #aaaaaa;
+	--menu-dropdown-hover-background-color: #adecab;
+	--menu-dropdown-hover-text-color: #2d2d2d;
+	--menu-dropdown-divider-color: #e5e5e5;
 }
-.left_mobile_menu, .right_mobile_menu{
-	position:absolute;
-	width:50px;
-	height:50px;
-	background: url("images/sprites.png") no-repeat 11px -86px;
-	filter: invert(1);
-	display:block;
-	top:0;
-	z-index:200;
-	border:0;
-	outline:0;
-	cursor: pointer;
-}
-.left_mobile_menu{left:0;}
-.right_mobile_menu{right:0;}
 
-.ddsmoothmenu{
-	position:fixed;
-	top:0;
-	left:0;
-	width:100%;
-	font:12px Arial,sans-serif;
-	background: #2D2D2D;
-	width: 100%;
-	padding-left:10px;
-	z-index:100;
-}
-.ddsmoothmenu ul{
-	z-index:100;
-	margin: 0;
+.sr_only {
+	position: absolute;
+	width: 1px;
+	height: 1px;
 	padding: 0;
-	list-style-type: none;
-	height:30px;
-}
-.ddsmoothmenu ul li{
-	position: relative;	
-	display: inline-block;
-	float: left;
-	color: #2d2b2b;
-	height:100%;
-}
-.ddsmoothmenu ul ul li a{
-	width:100%;
-}
-.ddsmoothmenu .rightarrowclass{
-	display:none !important;
-}
-.ddsmoothmenu ul li a{	
-	display: inline-block;
-	color: #2D2D2D;
-	text-decoration: none;
-	color: #cccccc;
-	text-align:center;
-	padding: 7px 10px 8px 10px !important;
-}
-.ddsmoothmenu ul ul li a{	
-	padding-right: 25px !important;
-}
-.ddsmoothmenu ul li a.selected{
-	background-color: #FFFFFF !important;
-	color: #2d2b2b;
-}
-.ddsmoothmenu ul li ul li a.selected{
-	background-color:#E4EBF8 !important;
-}
-.ddsmoothmenu ul li a:hover{
-	background-color: #E4EBF8;
-	color: #2D2D2D;
-}
-.ddsmoothmenu .hide_ul{
-	position: absolute;
-	left: -3000px;
-	display: none;
-	visibility: hidden;
-	border:1px solid #5680C1;
-	border-top:0px;
-}
-.ddsmoothmenu ul li ul{
-	position: absolute;
-	left: -3000px;
-	display: none;
-	visibility: hidden;
-	border:1px solid #5680C1;
-	border-top:0px;
-	margin-left: -1px;
-	height:auto;
-	min-width:140px;
-	width:auto !important;
-	top:30px !important;
-}
-.ddsmoothmenu ul li ul li{
-	display: list-item;
-	background: #ffffff;
-	float: none;
-	height:auto;
-	width:100%;
-}
-.ddsmoothmenu ul li ul li a{
-	text-align:left;
-}
-.ddsmoothmenu ul li ul li ul{
-	top: 0;
-	border-top:1px solid #5680C1;
-}
-.ddsmoothmenu ul li ul li a{
-	padding-left: 5px;
-	padding-right:5px;
-	margin: 0;
-	color: #2D2D2D;
+	overflow: hidden;
+	clip: rect(0, 0, 0, 0);
 	white-space: nowrap;
+	border: 0;
 }
-.ddsmoothmenu ul li ul li ul{
-	top:0 !important;
-}
-.ddsmoothmenu .downarrowclass{
-	position: absolute;
-	top: 12px;
-	right: 7px;
-}
-.ddsmoothmenu .ddshadow{ 
-	position: absolute;
-	left: 0;
+
+.main_menu {
+	position: fixed;
 	top: 0;
-	width: 0;
-	height: 0;
-	background-color: #ccc;
+	left: 0;
+	right: 0;
+	z-index: 100;
 }
-.ddsmoothmenu .mid-line{
-	background-color:#ff0000;
-	border-top:1px solid #e5e5e5;
-	font-size:0;
-	padding:0 8px 0 8px;
+.main_menu > ul.menu_bar {
+	display: flex;
+	flex-direction: row;
+	list-style: none;
+	padding: 0;
+	margin: 0;
+	height: 30px;
+	padding-left: 10px;
+	background: var(--menu-background-color);
 }
-.ddsmoothmenu ul li ul li.more > a{
-	position:relative;
+.main_menu > ul.menu_bar > li {
+	padding: 0;
+	overflow: hidden;
+	height: 100%;
 }
-.ddsmoothmenu ul li ul li.more > a:before{
+.main_menu > ul.menu_bar > li > a {
+	display: flex;
+	align-items: center;
+	font-size: 12px;
+	color: var(--menu-text-color);
+	text-decoration: none;
+	padding: 0 10px;
+	height: 100%;
+}
+.main_menu > ul.menu_bar > li > a::-moz-focus-inner {
+	border: 0;
+}
+.main_menu > ul.menu_bar > li > a:focus {
+	outline: none;
+	box-shadow: 0 -3px var(--menu-dropdown-background-color) inset;
+}
+.main_menu > ul.menu_bar > li > a:hover {
+	background: var(--menu-dropdown-hover-background-color);
+	box-shadow: none;
+	color: var(--menu-dropdown-hover-text-color);
+}
+.main_menu > ul.menu_bar > li > a[aria-expanded="true"] {
+	background: var(--menu-dropdown-background-color);
+	box-shadow: none;
+	color: var(--menu-dropdown-text-color);
+}
+.main_menu > ul.menu_bar > li > a > * {
+	pointer-events: none;
+}
+
+.main_menu > ul.menu_dropdown {
+	display: flex;
+	flex-direction: column;
+	position: fixed;
+	top: 0;
+	left: 0;
+	list-style: none;
+	padding: 0;
+	margin: 0;
+	overflow-x: hidden;
+	overflow-y: auto;
+	min-width: 150px;
+	box-shadow: 0 0 0 1px var(--menu-dropdown-border-color);
+	background: var(--menu-dropdown-background-color);
+}
+.main_menu > ul.menu_dropdown > li {
+	padding: 0;
+}
+.main_menu > ul.menu_dropdown > li > hr {
+	background: none;
+	border: 1px solid var(--menu-dropdown-divider-color);
+	border-bottom: none;
+	margin: 0;
+}
+.main_menu > ul.menu_dropdown > li > a {
+	display: flex;
+	flex-direction: row;
+	align-items: center;
+	position: relative;
+	height: 30px;
+	padding: 0 10px;
+	font-size: 12px;
+	line-height: 30px;
+	text-decoration: none;
+	color: var(--menu-dropdown-text-color);
+}
+.main_menu > ul.menu_dropdown > li > ::-moz-focus-inner {
+	border: 0;
+}
+.main_menu > ul.menu_dropdown > li > a:focus {
+	outline: none;
+	box-shadow: 0 0 0 2px var(--menu-dropdown-hover-background-color) inset;
+}
+.main_menu > ul.menu_dropdown > li > a:hover {
+	background: var(--menu-dropdown-hover-background-color);
+	box-shadow: none;
+	color: var(--menu-dropdown-hover-text-color);
+}
+.main_menu > ul.menu_dropdown > li > a[aria-expanded="true"] {
+	background: var(--menu-dropdown-hover-background-color);
+	box-shadow: none;
+	color: var(--menu-dropdown-hover-text-color);
+}
+.main_menu > ul.menu_dropdown > li > a[aria-haspopup="true"]::after {
 	position: absolute;
-	content:">";
+	content: ">";
 	right: 9px;
 	width: 5px;
-	height: 14px;
 	transform: scaleY(2);
 	color: #808080;
 }
-.ddsmoothmenu ul li ul li ul{
-	left: calc(100% + 1px) !important;
+.main_menu > ul.menu_dropdown > li > a[aria-haspopup="true"] > .name {
+	margin-right: 8px;
 }
-.ddsmoothmenu .dots::after{
-	content: " ...";
+.main_menu > ul.menu_dropdown > li > a[target="_blank"]::after {
+	content: "";
+	width: 10px;
+	height: 10px;
+	margin-left: 5px;
+	background: url('images/icons/external.png') no-repeat center center;
+	background-size: auto 8px;
+	opacity: 0.3;
 }
-.ddsmoothmenu a[data-key]:after{
-	position: absolute;
-	content: attr(data-key) " ";
-	color: #aaa;
-	font-size: 12px;
-	margin-left: 8px;
-	right:10px;
+.main_menu > ul.menu_dropdown > li > a > * {
+	pointer-events: none;
+}
+.main_menu > ul.menu_dropdown > li > a > .name {
+	flex-grow: 1;
+	overflow: hidden;
+	white-space: nowrap;
+}
+.main_menu > ul.menu_dropdown > li > a > .shortcut {
+	flex-shrink: 1;
+	color: var(--menu-dropdown-text-muted-color);
 }
 
-@media screen and (max-width:700px){
-	.mobile_menu{
-		display:block;
-	}
-	.left_mobile_menu{
-		display:none;
-	}
-	.ddsmoothmenu{
-		height:50px;
-	}
-	.ddsmoothmenu ul{
-		width: calc(100% - 50px);
-		height:50px;
-	}
-	.ddsmoothmenu > ul > li > a{
-		height:50px;
-		padding-top: 15px !important;
-	}
-	.ddsmoothmenu ul li ul{
-		top:50px !important;
-	}
-	.ddsmoothmenu ul li ul li{
-		height:auto;
-	}
-	.ddsmoothmenu ul li ul li a{
-		height:30px;
-	}
+
+.mobile_menu {
+	display: none;
+	position: absolute;
+	width: 100%;
+	top: 0;
 }
-@media screen and (max-width:550px){
-	.ddsmoothmenu{
-		padding-left:0;
-	}
-	.ddsmoothmenu ul{
-		width: calc(100% - 50px);
-	}
-	.ddsmoothmenu > ul > li{
-		width: calc(100% / 7);
-	}
-	.ddsmoothmenu > ul > li > a{
-		width:100%;
-		padding-left: 3px !important;
-		padding-right: 3px !important;
-		overflow: hidden;
-	}
-	.left_mobile_menu{
-		display:block;
-	}
+.left_mobile_menu, .right_mobile_menu {
+	position: absolute;
+	width: 50px;
+	height: 50px;
+	display: block;
+	top: 0;
+	z-index: 200;
+	border: 0;
+	outline: 0;
+	cursor: pointer;
+	background-color: transparent;
 }
+.left_mobile_menu:after, .right_mobile_menu:after {
+	position: absolute;
+	content: '';
+	left:0;
+	top:0;
+	bottom:0;
+	right:0;
+	filter: var(--mobile-menu-toggle-filter);
+	background: url('images/icons/menu.svg') no-repeat center center;
+	background-size: auto 26px;
+}
+.left_mobile_menu { left:0; }
+.right_mobile_menu { right:0; }
+
+@media screen and (max-width:700px) {
+	.mobile_menu {
+		display: block;
+	}
+	.main_menu > ul.menu_bar {
+		height: 50px;
+		padding-left: 50px;
+		padding-right: 50px;
+	}
+}

src/css/popup.css

@@ -1,101 +1,271 @@
-#popup{
+#popups:not(:empty) {
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	bottom: 0;
+}
+#popups .popup {
 	position:fixed;
 	display:none;
-	top: 20vh;
-	left: calc(50% - 500px / 2);
+	top: 15vh;
+	left: calc(100vw / 2);
+	transform: translate(-50%, 0);
 	background-color: #7A838B;
+	background-color: var(--block-background-color);
 	border: 1px solid rgba(0, 0, 0, 0.5);
-	border: 1px solid var(--background-color-border);
-	width:500px;
-	max-width: 100%;
+	border: 1px solid var(--border-color);
+	width: 90vw;
+	max-width: 500px;
 	max-height: calc(80vh);
 	margin:0px auto 0px auto;
-	padding:10px;
-	box-shadow: 0 0 20px rgba(0,0,0,0.5);
+	padding: 4rem 0 5rem 0;
+	box-shadow: 0 0 0 4000px rgba(0,0,0,0.3), 0 0 20px rgba(0,0,0,0.5);
 	z-index: 100;
-	overflow-y: auto;
 	font-size: 13px;
-	overflow-y: scroll;
+	overflow: hidden;
 }
-#popup.wide{
-	top: 15vh;
-	width: 800px;
-	left: calc(50% - 800px / 2);
+#popups .popup.wide{
+	max-width: 840px;
 }
-#popup a{
-	color: #000080;
+#popups .popup a{
+	color: var(--link-color);
 }
-#popup h2{
-	margin: -10px -10px 5px -10px;
-	padding: 6px 10px;
-	font-size: 18px;
+#popups .popup h2{
+	display: block;
+	position: absolute;
+	top: 0;
+	left: 0;
+	right: 0;
+	margin: 0;
+	height: 4rem;
+	line-height: 4rem;
+	padding: 0 1rem;
+	font-size: 1.8rem;
 	background-color: rgba(255, 255, 255, 0.3);
-	background-color: var(--background-color-light);
-	/*cursor:move;*/
+	background-color: var(--header-background-color);
+	z-index: 0;
+	cursor:move;
 }
-#popup .buttons{
-	text-align:center;
-	margin-top:20px;
-	margin-bottom:5px;
+#popups .popup .dialog_content {
+	overflow-y: auto;
+	max-height: calc(80vh - 11rem);
+	padding: 1rem;
 }
-#popup td, #popup th{
+#popups .popup .buttons{
+	position: absolute;
+	background-color: var(--block-background-color);
+	bottom: 0;
+	left: 0;
+	right: 0;
+	height: 5rem;
+	line-height: 4rem;
+	margin: 0;
+	padding: .5rem 0;
+	text-align: center;
+	border-top: 1px solid var(--header-background-color);
+	z-index: 3;
+}
+#popups .popup .close{
+	position: absolute;
+	right: 0;
+	top: 0;
+	min-width: 0;
+	padding: 5px;
+	line-height: 0.5;
+	font-size: 16px;
+	margin-top: 10px;
+	margin-right: 10px;
+	border: none;
+	background: none;
+	z-index: 1;
+}
+#popups .popup input[type="range"]{
+	margin:0;
+	width: 100%;
+}
+#popups .popup table{
+	box-sizing: border-box;
+	width: 100%;
+}
+#popups .popup td, #popups .popup th{
 	height: 25px;
 }
-#popup td{
+#popups .popup td{
 	vertical-align: middle;
 }
-#popup th{
+#popups .popup th{
 	text-align:left;
 	padding: 5px 5px 5px 0;
 	width: 130px;
 }
-#popup textarea{
-	color:#000000;
+#popups .popup textarea{
+	color: var(--input-text-color);
 	width:100%;
 	border:1px solid #393939;
 	padding-left:5px;
 }
-#popup .button{
+#popups .popup .button{
 	margin: 0 3px;
 	background-color: rgba(255, 255, 255, 0.2);
-	background-color: var(--background-color-medium);
+	background-color: var(--button-background-color);
 	min-width:60px;
 	border:1px solid rgba(0, 0, 0, 0.5);
-	border:1px solid var(--background-color-border);
+	border:1px solid var(--border-color);
 	padding: 5px 10px;
 }
-#popup input[type="text"], #popup input[type="number"], #popup textarea{
+#popups .popup input[type="text"], #popups .popup input[type="number"], #popups .popup textarea{
 	width:100%;
 }
-#popup input[type="number"]{
+#popups .popup input[type="number"]{
 	width:100px;
 }
-#popup input[type="radio"], #popup input[type="checkbox"]{
+#popups .popup input[type="radio"], #popups .popup input[type="checkbox"]{
 	margin-left: 0;
 }
-#popup label span{
-	color:#444444;
+#popups .popup label span{
+	color:var(--text-color-muted);
 }
-#popup .checkbox label{
+#popups .popup .checkbox label{
 	margin-top: 5px;
-	color:#444444;
+	color:var(--text-color-muted);
 }
-@media screen and (max-width:500px){
-	#popup{
-		left: 0;
-		width: 100%;
-	}
-	#canvas_preview_container{
-		clear:both;
-	}
+#popups .popup .preview_container{
+	margin-top:10px;
+	margin-bottom:15px;
+	text-align: center;
 }
-@media screen and (max-height:650px){
-	#popup{
-		top: 0;
-		max-height: 100vh;
-	}
-	#canvas_preview_container{
-		clear:both;
-	}
+#popups .popup .preview_canvas_left{
+	position:relative;
+	margin:0 5px 5px 0;
+	border:1px solid #393939;
+	display: inline-block;
+	vertical-align: top;
+}
+#popups .popup .preview_canvas_post_back{
+	position:absolute;
+	border:1px solid #393939;
+	background-color:#ffffff;
+}
+#popups .popup .preview_canvas_post{
+	position:relative;
+	border:1px solid #393939;
+}
+#popups .popup .canvas_preview_container{
+	position:relative;
+	display: inline-block;
+	vertical-align: top;
+}
+#popups .popup .radios label{
+	display: inline-block;
+	margin-right: 10px;
+}
+#popups .popup .range_value{
+	padding-left:10px;
+	width:50px;
+}
+#popups .popup .long_text_value{
+	font-size: 12px;
+}
+#popups .popup .preview-item-title{
+	text-align: center;
+	max-width: 150px;
+}
+#popups .popup .field_comment{
+	display: inline-block;
+	margin-left: 10px;
+	opacity: 0.5;
 }
 
+#popups .popup .selection_card {
+	background: var(--input-background-color);
+	display: block;
+	width: 100%;
+	padding: 0;
+	border-bottom: 0.1rem solid var(--input-border-color);
+	overflow: hidden;
+	position: relative;
+}
+#popups .popup .selection_card:first-child {
+	margin-top: 1rem;
+	border-radius: var(--input-border-radius) var(--input-border-radius) 0 0;
+}
+#popups .popup .selection_card:last-child {
+	border-radius: 0 0 var(--input-border-radius) var(--input-border-radius);
+	border-bottom: none;
+}
+#popups .popup .selection_card > input[type="checkbox"] {
+	flex-grow: 0;
+	flex-shrink: 0;
+	margin: 0;
+	cursor: pointer;
+	position: absolute;
+	top: 50%;
+	left: 1.5rem;
+	transform: translateY(-50%) scale(1.5);
+}
+#popups .popup .selection_card > input[type="checkbox"] + label {
+	display: block;
+	width: 100%;
+	flex-grow: 1;
+	flex-shrink: 1;
+	margin: 0;
+	padding: 1rem 0.5rem 1rem 5.5rem;
+	cursor: pointer;
+}
+#popups .popup .selection_card > input[type="checkbox"] + label:hover {
+	background: var(--input-background-color-hover);
+}
+#popups .popup .selection_card .font_preview {
+	font-size: 1.6rem;
+	height: 2.5rem;
+	line-height: 2.5rem;
+	white-space: nowrap;
+}
+
+#popups .popup .pagination {
+	display: flex;
+	text-align: center;
+	margin: 1rem 0 0 0;
+}
+#popups .popup .pagination button {
+	flex-grow: 0;
+	height: 2.8rem;
+	line-height: 2.8rem;
+	border-radius: 0;
+	margin-left: -1px;
+	min-width: 3.3rem;
+}
+#popups .popup .pagination button:first-child {
+	border-radius: var(--button-border-radius) 0 0 var(--button-border-radius);
+	margin-left: auto;
+}
+#popups .popup .pagination button:last-child {
+	border-radius: 0 var(--button-border-radius) var(--button-border-radius) 0;
+	margin-right: auto;
+}
+
+@media screen and (max-width:500px){
+	#popups .popup {
+		max-height: calc(80vh - 20px); /* mobile phones has bottom menu */
+	}
+	#popups .popup tr{
+		display: block;
+		margin-bottom: 10px;
+	}
+	#popups .popup td, #popups .popup th{
+		display: block;
+		width: 100%;
+		height: auto;
+		padding: 5px;
+	}
+	#popups .popup th{
+		padding: 5px 5px 0px 5px;
+	}
+	#popups .popup td{
+		padding: 5px 5px 5px 5px;
+	}
+	#popups .popup .range_value{
+		display: none;
+	}
+}

src/css/print.css

@@ -13,7 +13,7 @@
 	.sidebar_left,
 	.sidebar_right,
 	.submenu,
-	.ddsmoothmenu{
+	.main_menu{
 		display: none;
 		height: 0;
 		width: 0;
@@ -31,4 +31,4 @@
 	.canvas_wrapper canvas{
 		border:0;
 	}
-}
+}

src/css/reset.css

@@ -1,26 +1,131 @@
+:root {
+	/* original - default */
+	--background: #666d6f;
+	--text-color: #f4f3f3;
+	--text-color-muted: #c1c1c1;
+	--text-color-red: #e38282;
+	--text-color-green: #8bdb8b;
+	--text-color-blue: #a4a4ff;
+	--link-color: #9ffda5;
+	--section-background-color: #323a3c;
+	--area-background-color: #464d4f;
+	--block-background-color: #464d4f;
+	--header-background-color: #373d3f;
+	--button-background-color: #2f3739;
+	--button-background-color-hover: #75df72;
+	--button-background-color-active: #4d5153;
+	--button-shadow-color: rgba(0, 0, 0, 0.3);
+	--button-text-color-active: #adecab;
+	--button-border-radius: .4rem;
+	--button-toggle-background-color: #575f62;
+	--button-toggle-background-color-hover: #575f62;
+	--input-background-color: #2f3739;
+	--input-background-color-hover: #383f44;
+	--input-text-color: #f4f3f3;
+	--input-border-color: #0f0f0f;
+	--input-border-color-active: #70996e;
+	--input-border-radius: .4rem;
+	--input-group-border-color:  #323a3c;
+	--menu-background-color: #222;
+	--menu-icons-filter: invert(1);
+	--menu-icons-filter-active: none;
+	--menu-text-color: #cccccc;
+	--number-input-arrow-width: 2rem;
+	--background-color-active: #adecab;
+	--background-color-hover: #575f62;
+	--text-color-active: #215b2a;
+	--border-color: #727677;
+	--scrollbar-track-color: #464d4f;
+	--scrollbar-thumb-color: #2f3739;
+	--mobile-menu-toggle-filter: invert(1);
+}
+body.theme-light{
+	/* light */
+	--background: #f9f9fa;
+	--text-color: #0c0c0d;
+	--text-color-muted: #444444;
+	--text-color-red: #bb2424;
+	--text-color-green: #2b882b;
+	--text-color-blue: #5454ca;
+	--link-color: #000080;
+	--section-background-color: #eaeaea;
+	--area-background-color: #d9d9d9;
+	--block-background-color: #eaeaea;
+	--header-background-color: #dbdbdb;
+	--button-background-color: #f9f9fa;
+	--button-background-color-hover: #ddd;
+	--button-background-color-active: #f3f3f3;
+	--button-text-color-active: #59aed8;
+	--button-shadow-color: rgba(0, 0, 0, 0.1);
+	--button-toggle-background-color: #b7b7b7;
+	--button-toggle-background-color-hover: #b7b7b7;
+	--input-background-color: #ffffff;
+	--input-background-color-hover: #ddd;
+	--input-text-color: #0c0c0d;
+	--input-border-color: #ccc;
+	--input-border-color-active: #59aed8;
+	--input-group-border-color: #c4c4c4;
+	--menu-background-color: #eaeaea;
+	--menu-icons-filter: none;
+	--menu-icons-filter-active: invert(1);
+	--menu-text-color: #333333;
+	--menu-dropdown-hover-background-color: #a3dbf7;
+	--menu-dropdown-border-color: #15439b;
+	--background-color-active: #a3dbf7;
+	--background-color-hover: #c4c4c4;
+	--text-color-active: #15439b;
+	--border-color: #c1c1c1;
+	--scrollbar-track-color: #f9f9fa;
+	--scrollbar-thumb-color: #919090;
+	--mobile-menu-toggle-filter: none;
+}
+body.theme-green{
+	/* green */
+	--background: #050702;
+	--text-color: #acc3a9;
+	--text-color-muted: #80937d;
+	--link-color: #9ffda5;
+	--section-background-color: #1c2e04;
+	--area-background-color: #3b5f11;
+	--block-background-color: #3b5f11;
+	--header-background-color: #2b460f;
+	--button-background-color: #2e4a0d;
+	--button-background-color-hover: #58960e;
+	--button-background-color-active:#2b460f;
+	--button-text-color-active: #ccc;
+	--button-toggle-background-color: #243e05;
+	--button-toggle-background-color-hover: #243e05;
+	--input-background-color: #ffffff;
+	--input-background-color-hover: #ddd;
+	--input-text-color: #0c0c0d;
+	--input-border-color: #ccc;
+	--menu-background-color: #1c2e04;
+	--menu-icons-filter: invert(1);
+	--menu-icons-filter-active: none;
+	--menu-text-color: #acc3a9;
+	--background-color-active: #58960e;
+	--background-color-hover: #58960e;
+	--text-color-active: #acc3a9;
+	--border-color: #4d6b1e;
+	--scrollbar-track-color: #050702;
+	--scrollbar-thumb-color: #80937d;
+	--mobile-menu-toggle-filter: invert(1);
+}
+
 *{
 	box-sizing: border-box;
 	background-repeat: no-repeat;
 }
-:root {
-	/* default */
-	--background-color: #424F5A;
-	--background-color-medium: rgba(255, 255, 255, 0.2);
-	--background-color-light: rgba(255, 255, 255, 0.3);
-	--background-color-lightest: rgba(255, 255, 255, 0.5);
-	--background-color-border: rgba(0, 0, 0, 0.5);
-	--background-color-active: #419147;
-	--text-color: #000000;
+html {
+	font-size: 10px; /* Base is 10px for easy REM calculation */
 }
 body{
-	margin: 0px;
-	padding: 0px;
-	padding-top: 30px;
+	margin: 0;
+	padding: 30px 0 0 0;
 	background-color: #424F5A;
-	background-color: var(--background-color);
-	font-size: 13px;
+	background: var(--background);
+	font-size: 1.3rem;
 	font-family: Arial, Helvetica, sans-serif;
-	color: #000000;
 	color: var(--text-color);
 	line-height: 1.4;
 	font-weight: normal;
@@ -30,19 +135,9 @@ canvas{
 	outline: none;
 	/* disable select canvas */
 	-webkit-touch-callout: none;
-	-webkit-user-select: none;
-	-khtml-user-select: none;
-	-moz-user-select: none;
 	-ms-user-select: none;
+	-webkit-user-select: none;
 	user-select: none;
-	-webkit-tap-highlight-color: rgba(255, 255, 255, 0);
-	/* disable antialiasing */
-	image-rendering: optimizeSpeed;
-	image-rendering: -moz-crisp-edges;
-	image-rendering: -webkit-optimize-contrast;
-	image-rendering: -o-crisp-edges;
-	image-rendering: pixelated;
-	-ms-interpolation-mode: nearest-neighbor;
 }
 img{
 	border: none;
@@ -63,8 +158,11 @@ hr{
 	border-color: rgba(0,0,0,0.3);
 	border-bottom: 0;
 }
-input[type="text"], input[type="button"], select, input[type="number"], textarea{
-	border:1px solid #393939;
+input[type="text"], select, input[type="number"], textarea{
+	background: var(--input-background-color);
+	border: 1px solid var(--input-border-color);
+	border-radius: var(--input-border-radius);
+	color: var(--input-text-color);
 	padding: 3px 5px;
 	font-size: 13px;
 }
@@ -75,17 +173,33 @@ select{
 	padding: 2px 4px;
 }
 input[type="range"]{
-	margin-left:0px;
+	margin-left: 0;
 	width:100%;
 }
-input[type="button"]{
-	background: #dddddd;
+button, input[type="button"]{
+	border-radius: var(--button-border-radius);
+	box-shadow: 0 1px 2px 0 var(--button-shadow-color), 0 1px 0 0 rgba(255, 255, 255, 0.1) inset;
+	cursor: pointer;
+	border: 1px solid var(--border-color);
+	background-color: var(--button-background-color);
+	color: var(--text-color);
 }
-input[type="button"]:disabled{
+button:hover, input[type="button"]:hover{
+	background-color: var(--button-background-color-hover);
+}
+button:disabled, input[type="button"]:disabled{
 	visibility:hidden;
 }
-button{
-	cursor: pointer;
+button[aria-pressed="true"], input[type="button"][aria-pressed="true"]{
+	background-color: var(--button-background-color-active);
+	color: var(--button-text-color-active);
+	box-shadow: 0 1px 2px 0 var(--button-shadow-color), 0 1px 1px 1.5px rgba(58, 40, 40, 0.1) inset, 0 -1px 0 0 var(--button-text-color-active) inset;
+}
+button[aria-pressed="true"]:hover, input[type="button"][aria-pressed="true"]:hover{
+	background-color: var(--button-background-color-hover);
+}
+button.ui_toggle_button:hover{
+	background-color: var(--button-toggle-background-color-hover);
 }
 label{
 	display: inline-block;
@@ -110,6 +224,7 @@ label{
 @supports not (zoom:2) {
 	input[type="radio"],  input[type=checkbox]{
 		transform: scale(1.5);
-		margin: 8px;
+		transform-origin: left center;
+		margin: 8px 12px 8px 0;
 	}
-}
+}

src/css/utility.css

@@ -0,0 +1,81 @@
+
+/* Common input label sizes */
+.label_width_character {
+    width: 100%;
+    max-width: 2.88rem;
+    overflow: hidden;
+    flex-shrink: 0;
+}
+.label_width_small {
+    width: 100%;
+    max-width: 6.4rem;
+    overflow: hidden;
+}
+.label_width_medium {
+    width: 100%;
+    max-width: 10.4rem;
+    overflow: hidden;
+}
+
+/* Font color utility */
+.text_red { color: var(--text-color-red); }
+.text_green { color: var(--text-color-green); }
+.text_blue { color: var(--text-color-blue); }
+.text_muted { color: var(--text-color-muted); }
+
+/*
+    Size inputs based on the number of "w" characters that could fit in the input. "w" is usually the widest character.
+    This is a rough estimate since all characters vary in width. For example an input with numbers
+    usually fits way more characters than an input with letters.
+    "cw" means character width
+*/
+.input_cw_1, .input_cw_2, .input_cw_3, .input_cw_4, .input_cw_5,
+.input_cw_6, .input_cw_7, .input_cw_8, .input_cw_9, .input_cw_10
+.input_cw_11, .input_cw_12, .input_cw_13, .input_cw_14, .input_cw_15 {
+    width: 100%;
+}
+.input_cw_1 { max-width: 2.25rem; }
+.input_cw_2 { max-width: 3.25rem; }
+.input_cw_3 { max-width: 4.25rem; }
+.input_cw_4 { max-width: 5.25rem; }
+.input_cw_5 { max-width: 6.25rem; }
+.input_cw_6 { max-width: 7.25rem; }
+.input_cw_7 { max-width: 8.25rem; }
+.input_cw_8 { max-width: 9.25rem; }
+.input_cw_9 { max-width: 10.25rem; }
+.input_cw_10 { max-width: 11.25rem; }
+.input_cw_11 { max-width: 12.25rem; }
+.input_cw_12 { max-width: 13.25rem; }
+.input_cw_13 { max-width: 14.25rem; }
+.input_cw_14 { max-width: 15.25rem; }
+.input_cw_15 { max-width: 16.25rem; }
+input[type="number"].input_cw_1 { max-width: 4.25rem; }
+input[type="number"].input_cw_2 { max-width: 5.25rem; }
+input[type="number"].input_cw_3 { max-width: 6.25rem; }
+input[type="number"].input_cw_4 { max-width: 7.25rem; }
+input[type="number"].input_cw_5 { max-width: 8.25rem; }
+input[type="number"].input_cw_6 { max-width: 9.25rem; }
+input[type="number"].input_cw_7 { max-width: 10.25rem; }
+input[type="number"].input_cw_8 { max-width: 11.25rem; }
+input[type="number"].input_cw_9 { max-width: 12.25rem; }
+input[type="number"].input_cw_10 { max-width: 13.25rem; }
+input[type="number"].input_cw_11 { max-width: 14.25rem; }
+input[type="number"].input_cw_12 { max-width: 15.25rem; }
+input[type="number"].input_cw_13 { max-width: 16.25rem; }
+input[type="number"].input_cw_14 { max-width: 17.25rem; }
+input[type="number"].input_cw_15 { max-width: 18.25rem; }
+.ui_number_input.input_cw_1 { max-width: calc(2.25rem + var(--number-input-arrow-width)); }
+.ui_number_input.input_cw_2 { max-width: calc(3.25rem + var(--number-input-arrow-width)); }
+.ui_number_input.input_cw_3 { max-width: calc(4.25rem + var(--number-input-arrow-width)); }
+.ui_number_input.input_cw_4 { max-width: calc(5.25rem + var(--number-input-arrow-width)); }
+.ui_number_input.input_cw_5 { max-width: calc(6.25rem + var(--number-input-arrow-width)); }
+.ui_number_input.input_cw_6 { max-width: calc(7.25rem + var(--number-input-arrow-width)); }
+.ui_number_input.input_cw_7 { max-width: calc(8.25rem + var(--number-input-arrow-width)); }
+.ui_number_input.input_cw_8 { max-width: calc(9.25rem + var(--number-input-arrow-width)); }
+.ui_number_input.input_cw_9 { max-width: calc(10.25rem + var(--number-input-arrow-width)); }
+.ui_number_input.input_cw_10 { max-width: calc(11.25rem + var(--number-input-arrow-width)); }
+.ui_number_input.input_cw_11 { max-width: calc(12.25rem + var(--number-input-arrow-width)); }
+.ui_number_input.input_cw_12 { max-width: calc(13.25rem + var(--number-input-arrow-width)); }
+.ui_number_input.input_cw_13 { max-width: calc(14.25rem + var(--number-input-arrow-width)); }
+.ui_number_input.input_cw_14 { max-width: calc(15.25rem + var(--number-input-arrow-width)); }
+.ui_number_input.input_cw_15 { max-width: calc(16.25rem + var(--number-input-arrow-width)); }

src/js/actions/_README.md

@@ -0,0 +1,5 @@
+# Managing Undo History with Actions
+
+More information on wiki page:
+
+https://github.com/viliusle/miniPaint/wiki/Undo-Redo-system

src/js/actions/activate-tool.js

@@ -0,0 +1,145 @@
+import app from './../app.js';
+import config from './../config.js';
+import { Base_action } from './base.js';
+import alertify from './../../../node_modules/alertifyjs/build/alertify.min.js';
+
+export class Activate_tool_action extends Base_action {
+	/**
+	 * Groups multiple actions together in the undo/redo history, runs them all at once.
+	 */
+	constructor(key, ignore_same_tool) {
+		super('activate_tool', 'Activate Tool');
+		this.ignore_same_tool = !!ignore_same_tool;
+		this.key = key;
+		this.old_key = null;
+		this.tool_leave_actions = null;
+		this.tool_activate_actions = null;
+	}
+
+	async do() {
+		super.do();
+		const key = this.key;
+		this.old_key = app.GUI.GUI_tools.active_tool;
+
+		if (this.key !== this.old_key || this.ignore_same_tool) {
+
+			//reset last
+			document.querySelector('#tools_container .' + this.old_key).classList.remove("active");
+
+			//send exit event to old previous tool
+			if (config.TOOL.on_leave != undefined) {
+				var moduleKey = config.TOOL.name;
+				var functionName = config.TOOL.on_leave;
+				this.tool_leave_actions = app.GUI.GUI_tools.tools_modules[moduleKey].object[functionName]();
+				if (this.tool_leave_actions) {
+					for (let action of this.tool_leave_actions) {
+						await action.do();
+					}
+				}
+			}
+
+			//change active
+			app.GUI.GUI_tools.active_tool = key;
+			document.querySelector('#tools_container .' + app.GUI.GUI_tools.active_tool)
+				.classList.add("active");
+			for (let i in config.TOOLS) {
+				if (config.TOOLS[i].name == app.GUI.GUI_tools.active_tool) {
+					config.TOOL = config.TOOLS[i];
+				}
+			}
+
+			//check module
+			if (app.GUI.GUI_tools.tools_modules[key] == undefined) {
+				alertify.error('Tools class not found: ' + key);
+				return;
+			}
+
+			//set default cursor
+			const mainWrapper = document.getElementById('main_wrapper');
+			const defaultCursor = config.TOOL && config.TOOL.name === 'text' ? 'text' : 'default';
+			if (mainWrapper.style.cursor != defaultCursor) {
+				mainWrapper.style.cursor = defaultCursor;
+			}
+
+			app.GUI.GUI_tools.show_action_attributes();
+			app.GUI.GUI_tools.Helper.setCookie('active_tool', app.GUI.GUI_tools.active_tool);
+		}
+
+		//send activate event to new tool
+		if (config.TOOL.on_activate != undefined) {
+			var moduleKey = config.TOOL.name;
+			var functionName = config.TOOL.on_activate;
+			this.tool_activate_actions = app.GUI.GUI_tools.tools_modules[moduleKey].object[functionName]();
+			if (this.tool_activate_actions) {
+				for (let action of this.tool_activate_actions) {
+					await action.do();
+				}
+			}
+		}
+
+		config.need_render = true;
+	}
+
+	async undo() {
+		super.undo();
+
+		// Undo activate actions
+		if (this.tool_activate_actions) {
+			for (let action of this.tool_activate_actions) {
+				await action.undo();
+				action.free();
+			}
+			this.tool_activate_actions = null;
+		}
+
+		//reset last
+		document.querySelector('#tools_container .' + this.key)
+			.classList.remove("active");
+
+		//change active
+		app.GUI.GUI_tools.active_tool = this.old_key;
+		document.querySelector('#tools_container .' + app.GUI.GUI_tools.active_tool)
+			.classList.add("active");
+		for (let i in config.TOOLS) {
+			if (config.TOOLS[i].name == app.GUI.GUI_tools.active_tool) {
+				config.TOOL = config.TOOLS[i];
+			}
+		}
+
+		app.GUI.GUI_tools.show_action_attributes();
+		app.GUI.GUI_tools.Helper.setCookie('active_tool', app.GUI.GUI_tools.active_tool);
+
+		//set default cursor
+		const mainWrapper = document.getElementById('main_wrapper');
+		const defaultCursor = config.TOOL && config.TOOL.name === 'text' ? 'text' : 'default';
+		if (mainWrapper.style.cursor != defaultCursor) {
+			mainWrapper.style.cursor = defaultCursor;
+		}
+
+		// Undo leave actions
+		if (this.tool_leave_actions) {
+			for (let action of this.tool_leave_actions) {
+				await action.undo();
+				action.free();
+			}
+			this.tool_leave_actions = null;
+		}
+
+		config.need_render = true;
+	}
+
+	free() {
+		if (this.tool_activate_actions) {
+			for (let action of this.tool_activate_actions) {
+				action.free();
+			}
+			this.tool_activate_actions = null;
+		}
+		if (this.tool_leave_actions) {
+			for (let action of this.tool_leave_actions) {
+				action.free();
+			}
+			this.tool_leave_actions = null;
+		}
+	}
+}

src/js/actions/add-layer-filter.js

@@ -0,0 +1,67 @@
+import app from './../app.js';
+import config from './../config.js';
+import { Base_action } from './base.js';
+
+export class Add_layer_filter_action extends Base_action {
+	/**
+	 * register new live filter
+	 *
+	 * @param {int} layer_id
+	 * @param {string} name
+	 * @param {object} params
+	 */
+	constructor(layer_id, name, params, filter_id) {
+		super('add_layer_filter', 'Add Layer Filter');
+		if (layer_id == null)
+			layer_id = config.layer.id;
+		this.layer_id = parseInt(layer_id);
+		this.name = name;
+		this.params = params;
+		this.filter_id = filter_id;
+		this.reference_layer = null;
+	}
+
+	async do() {
+		super.do();
+		this.reference_layer = app.Layers.get_layer(this.layer_id);
+		if (!this.reference_layer) {
+			throw new Error('Aborted - layer with specified id doesn\'t exist');
+		}
+		var filter = {
+			id: this.filter_id,
+			name: this.name,
+			params: this.params,
+		};
+		if(this.filter_id) {
+			//update
+			for(var i in this.reference_layer.filters) {
+				if(this.reference_layer.filters[i].id == this.filter_id){
+					this.reference_layer.filters[i] = filter;
+					break;
+				}
+			}
+		}
+		else{
+			//insert
+			filter.id = Math.floor(Math.random() * 999999999) + 1; // A good UUID library would
+			this.reference_layer.filters.push(filter);
+		}
+		config.need_render = true;
+		app.GUI.GUI_layers.render_layers();
+	}
+
+	async undo() {
+		super.undo();
+		if (this.reference_layer) {
+			this.reference_layer.filters.pop();
+			this.reference_layer = null;
+		}
+		config.need_render = true;
+		app.GUI.GUI_layers.render_layers();
+	}
+
+	free() {
+		this.reference_layer = null;
+		this.params = null;
+	}
+}

src/js/actions/autoresize-canvas.js

@@ -0,0 +1,100 @@
+import app from '../app.js';
+import config from '../config.js';
+import { Base_action } from './base.js';
+import Tools_settings_class from './../modules/tools/settings.js';
+
+export class Autoresize_canvas_action extends Base_action {
+	/**
+	 * autoresize canvas to layer size, based on dimensions, up - always, if 1 layer - down.
+	 *
+	 * @param {int} width
+	 * @param {int} height
+	 * @param {int} layer_id
+	 * @param {boolean} can_automate
+	 */
+	constructor(width, height, layer_id, can_automate = true, ignore_same_size = false) {
+		super('autoresize_canvas', 'Auto-resize Canvas');
+		this.Tools_settings = new Tools_settings_class();
+		this.width = width;
+		this.height = height;
+		this.layer_id = layer_id;
+		this.can_automate = can_automate;
+		this.ignore_same_size = ignore_same_size;
+		this.old_config_width = null;
+		this.old_config_height = null;
+	}
+
+	async do() {
+		super.do();
+		const width = this.width;
+		const height = this.height;
+		const can_automate = this.can_automate;
+		let need_fit = false;
+		let new_config_width = config.WIDTH;
+		let new_config_height = config.HEIGHT;
+		var enable_autoresize = this.Tools_settings.get_setting('enable_autoresize');
+
+		if(enable_autoresize == false){
+			return;
+		}
+
+		// Resize up
+		if (width > new_config_width || height > new_config_height) {
+			const wrapper = document.getElementById('main_wrapper');
+			const page_w = wrapper.clientWidth;
+			const page_h = wrapper.clientHeight;
+
+			if (width > page_w || height > page_h) {
+				need_fit = true;
+			}
+			if (width > new_config_width)
+				new_config_width = parseInt(width);
+			if (height > new_config_height)
+				new_config_height = parseInt(height);
+		}
+
+		// Resize down
+		if (config.layers.length == 1 && can_automate !== false) {
+			if (width < new_config_width)
+				new_config_width = parseInt(width);
+			if (height < new_config_height)
+				new_config_height = parseInt(height);
+		}
+
+		if (new_config_width !== config.WIDTH || new_config_height !== height) {
+			this.old_config_width = config.WIDTH;
+			this.old_config_height = config.HEIGHT;
+			config.WIDTH = new_config_width;
+			config.HEIGHT = new_config_height;
+			app.GUI.prepare_canvas();
+		} else if (!this.ignore_same_size) {
+			throw new Error('Aborted - Resize not necessary')
+		}
+
+		// Fit zoom when after short pause
+		// @todo - remove setTimeout
+		if (need_fit == true) {
+			await new Promise((resolve) => {
+				window.setTimeout(() => {
+					app.GUI.GUI_preview.zoom_auto();
+					resolve();
+				}, 100);
+			});
+		}
+	}
+
+	async undo() {
+		super.undo();
+		if (this.old_config_width != null) {
+			config.WIDTH = this.old_config_width;
+		}
+		if (this.old_config_height != null) {
+			config.HEIGHT = this.old_config_height;
+		}
+		if (this.old_config_width != null || this.old_config_height != null) {
+			app.GUI.prepare_canvas();
+		}
+		this.old_config_width = null;
+		this.old_config_height = null;
+	}
+}

src/js/actions/base.js

@@ -0,0 +1,19 @@
+
+export class Base_action {
+	constructor(action_id, action_description) {
+		this.action_id = action_id;
+		this.action_description = action_description;
+		this.is_done = false;
+		this.memory_estimate = 0; // Estimate of how much memory will be freed when the free() method is called (in bytes)
+		this.database_estimate = 0; // Estimate of how much database space will be freed when the free() method is called (in bytes)
+	}
+	do() {
+		this.is_done = true;
+	}
+	undo() {
+		this.is_done = false;
+	}
+	free() {
+		// Override if need to run tasks to free memory when action is discarded from history
+	}
+}

src/js/actions/bundle.js

@@ -0,0 +1,59 @@
+import config from '../config.js';
+import { Base_action } from './base.js';
+
+export class Bundle_action extends Base_action {
+	/**
+	 * Groups multiple actions together in the undo/redo history, runs them all at once.
+	 */
+	constructor(bundle_id, bundle_name, actions_to_do) {
+		super(bundle_id, bundle_name);
+		this.actions_to_do = actions_to_do;
+	}
+
+	async do() {
+		super.do();
+		let error = null;
+		let i = 0;
+		this.memory_estimate = 0;
+		this.database_estimate = 0;
+		for (i = 0; i < this.actions_to_do.length; i++) {
+			try {
+				await this.actions_to_do[i].do();
+				this.memory_estimate += this.actions_to_do[i].memory_estimate;
+				this.database_estimate += this.actions_to_do[i].database_estimate;
+			} catch (e) {
+				error = e;
+				break;
+			}
+		}
+		// One of the actions aborted, undo all previous actions.
+		if (error) {
+			for (i--; i >= 0; i--) {
+				await this.actions_to_do[i].undo();
+			}
+			throw error;
+		}
+		config.need_render = true;
+	}
+
+	async undo() {
+		super.undo();
+		this.memory_estimate = 0;
+		this.database_estimate = 0;
+		for (let i = this.actions_to_do.length - 1; i >= 0; i--) {
+			await this.actions_to_do[i].undo();
+			this.memory_estimate += this.actions_to_do[i].memory_estimate;
+			this.database_estimate += this.actions_to_do[i].database_estimate;
+		}
+		config.need_render = true;
+	}
+
+	free() {
+		if (this.actions_to_do) {
+			for (let action of this.actions_to_do) {
+				action.free();
+			}
+			this.actions_to_do = null;
+		}
+	}
+}

src/js/actions/clear-layer.js

@@ -0,0 +1,82 @@
+import app from './../app.js';
+import config from './../config.js';
+import { Base_action } from './base.js';
+
+export class Clear_layer_action extends Base_action {
+	/**
+	 * clear layer data
+	 *
+	 * @param {int} layer_id
+	 */
+	constructor(layer_id) {
+		super('clear_layer', 'Clear Layer');
+		this.layer_id = parseInt(layer_id);
+		this.update_layer_action = null;
+		this.delete_layer_settings_action = null;
+	}
+
+	async do() {
+		super.do();
+		let layer = app.Layers.get_layer(this.layer_id);
+		if (!layer) {
+			throw new Error('Aborted - layer with specified id doesn\'t exist');
+		}
+		let new_settings = {
+			x: 0,
+			y: 0,
+			width: 0,
+			height: 0,
+			visible: true,
+			opacity: 100,
+			composition: null,
+			rotate: 0,
+			data: null,
+			params: {},
+			status: null,
+			render_function: null,
+			type: null
+		};
+		if (layer.type == 'image') {
+			//clean image
+			new_settings.link = null;
+		}
+		this.update_layer_action = new app.Actions.Update_layer_action(this.layer_id, new_settings);
+		await this.update_layer_action.do();
+		let delete_setting_names = [];
+		for (let prop_name in layer) {
+			//remove private attributes
+			if (prop_name[0] == '_') {
+				delete_setting_names.push(prop_name);
+			}
+		}
+		if (delete_setting_names.length > 0) {
+			this.delete_layer_settings_action = new app.Actions.Delete_layer_settings_action(this.layer_id, delete_setting_names);
+			await this.delete_layer_settings_action.do();
+		}
+	}
+
+	async undo() {
+		super.undo();
+		if (this.delete_layer_settings_action) {
+			await this.delete_layer_settings_action.undo();
+			this.delete_layer_settings_action.free();
+			this.delete_layer_settings_action = null;
+		}
+		if (this.update_layer_action) {
+			await this.update_layer_action.undo();
+			this.update_layer_action.free();
+			this.update_layer_action = null;
+		}
+	}
+
+	free() {
+		if (this.update_layer_action) {
+			this.update_layer_action.free();
+			this.update_layer_action = null;
+		}
+		if (this.delete_layer_settings_action) {
+			this.delete_layer_settings_action.free();
+			this.delete_layer_settings_action = null;
+		}
+	}
+}

src/js/actions/delete-layer-filter.js

@@ -0,0 +1,60 @@
+import app from './../app.js';
+import config from './../config.js';
+import { Base_action } from './base.js';
+
+export class Delete_layer_filter_action extends Base_action {
+	/**
+	 * delete live filter
+	 *
+	 * @param {int} layer_id
+	 * @param {string} filter_id
+	 */
+	constructor(layer_id, filter_id) {
+		super('delete_layer_filter', 'Delete Layer Filter');
+		if (layer_id == null)
+			layer_id = config.layer.id;
+		this.layer_id = parseInt(layer_id);
+		this.filter_id = filter_id;
+		this.reference_layer = null;
+		this.filter_remove_index = null;
+		this.old_filter = null;
+	}
+
+	async do() {
+		super.do();
+		this.reference_layer = app.Layers.get_layer(this.layer_id);
+		if (!this.reference_layer) {
+			throw new Error('Aborted - layer with specified id doesn\'t exist');
+		}
+		this.old_filter = null;
+		for (let i in this.reference_layer.filters) {
+			if (this.reference_layer.filters[i].id == this.filter_id) {
+				this.filter_remove_index = i;
+				this.old_filter = this.reference_layer.filters.splice(i, 1)[0];
+				break;
+			}
+		}
+		if (!this.old_filter) {
+			throw new Error('Aborted - filter with specified id doesn\'t exist in layer');
+		}
+		config.need_render = true;
+		app.GUI.GUI_layers.render_layers();
+	}
+
+	async undo() {
+		super.undo();
+		if (this.reference_layer && this.old_filter) {
+			this.reference_layer.filters.splice(this.filter_remove_index, 0, this.old_filter);
+		}
+		this.reference_layer = null;
+		this.old_filter = null;
+		this.filter_remove_index = null;
+		config.need_render = true;
+		app.GUI.GUI_layers.render_layers();
+	}
+
+	free() {
+		this.reference_layer = null;
+		this.old_filter = null;
+	}
+}

src/js/actions/delete-layer-settings.js

@@ -0,0 +1,50 @@
+import app from './../app.js';
+import config from './../config.js';
+import { Base_action } from './base.js';
+
+export class Delete_layer_settings_action extends Base_action {
+	/**
+	 * Deletes the specified settings in a layer
+	 *
+	 * @param {int} layer_id
+	 * @param {array} setting_names 
+	 */
+	constructor(layer_id, setting_names) {
+		super('delete_layer_settings', 'Delete Layer Settings');
+		this.layer_id = parseInt(layer_id);
+		this.setting_names = setting_names;
+		this.reference_layer = null;
+		this.old_settings = {};
+	}
+
+	async do() {
+		super.do();
+		this.reference_layer = app.Layers.get_layer(this.layer_id);
+		if (!this.reference_layer) {
+			throw new Error('Aborted - layer with specified id doesn\'t exist');
+		}
+		for (let name in this.setting_names) {
+			this.old_settings[name] = this.reference_layer[name];
+			delete this.reference_layer[name];
+		}
+		config.need_render = true;
+	}
+
+	async undo() {
+		super.undo();
+		if (this.reference_layer) {
+			for (let i in this.old_settings) {
+				this.reference_layer[i] = this.old_settings[i];
+			}
+			this.old_settings = {};
+		}
+		this.reference_layer = null;
+		config.need_render = true;
+	}
+
+	free() {
+		this.setting_names = null;
+		this.reference_layer = null;
+		this.old_settings = null;
+	}
+}

src/js/actions/delete-layer.js

@@ -0,0 +1,115 @@
+import config from '../config.js';
+import app from './../app.js';
+import { Base_action } from './base.js';
+
+export class Delete_layer_action extends Base_action {
+	/**
+	 * removes layer
+	 *
+	 * @param {int} id
+	 * @param {boolean} force - Force to delete first layer?
+	 */
+	constructor(layer_id, force) {
+		super('delete_layer', 'Delete Layer');
+		this.layer_id = parseInt(layer_id);
+		this.force = force || false;
+		this.insert_layer_action = null;
+		this.select_layer_action = null;
+		this.delete_index = null;
+		this.deleted_layer = null;
+	}
+
+	async do() {
+		super.do();
+		const id = this.layer_id;
+		const force = this.force;
+
+		// Determine if there is a layer to delete, abort if not
+		for (var i in config.layers) {
+			if (config.layers[i].id == id) {
+				this.delete_index = i;
+			}
+		}
+		if (this.delete_index === null) {
+			throw new Error('Aborted - Layer to delete not found');
+		}
+
+		if (config.layers.length == 1 && (force == undefined || force == false)) {
+			// Only 1 layer left
+			if (config.layer.type == null) {
+				//STOP
+				throw new Error('Aborted - Will not delete last layer');
+			}
+			else {
+				// Delete it, but before that - create new empty layer
+				this.insert_layer_action = new app.Actions.Insert_layer_action();
+				this.insert_layer_action.do();
+			}
+		}
+
+		if (config.layers.length > 1 && config.layer.id == id) {
+			// Select next or previous layer
+			try {
+				const select_action = new app.Actions.Select_next_layer_action(id);
+				await select_action.do();
+				this.select_layer_action = select_action;
+			} catch (error) {
+				const select_action = new app.Actions.Select_previous_layer_action(id);
+				await select_action.do();
+				this.select_layer_action = select_action;
+			}
+		}
+
+		// Remove layer from list
+		this.deleted_layer = config.layers.splice(this.delete_index, 1)[0];
+
+		// Estimate memory
+		if (this.deleted_layer.link && this.deleted_layer.link.src && typeof this.deleted_layer.link.src === 'string') {
+			this.memory_estimate = new Blob([this.deleted_layer.link.src]).size;
+		}
+
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+
+	async undo() {
+		super.undo();
+		if (this.deleted_layer) {
+			config.layers.splice(this.delete_index, 0, this.deleted_layer);
+			this.delete_index = null;
+			this.deleted_layer = null;
+		}
+		if (this.select_layer_action) {
+			await this.select_layer_action.undo();
+			this.select_layer_action.free();
+			this.select_layer_action = null;
+		}
+		if (this.insert_layer_action) {
+			await this.insert_layer_action.undo();
+			this.insert_layer_action.free();
+			this.insert_layer_action = null;
+		}
+
+		// Estimate memory
+		this.memory_estimate = 0;
+
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+
+	free() {
+		if (this.deleted_layer) {
+			delete this.deleted_layer.link;
+			delete this.deleted_layer.data;
+		}
+		if (this.insert_layer_action) {
+			this.insert_layer_action.free();
+			this.insert_layer_action = null;
+		}
+		if (this.select_layer_action) {
+			this.select_layer_action.free();
+			this.select_layer_action = null;
+		}
+		this.deleted_layer = null;
+	}
+}

src/js/actions/index.js

@@ -0,0 +1,26 @@
+export { Activate_tool_action } from './activate-tool.js';
+export { Add_layer_filter_action } from './add-layer-filter.js';
+export { Autoresize_canvas_action } from './autoresize-canvas.js';
+export { Bundle_action } from './bundle.js';
+export { Clear_layer_action } from './clear-layer.js';
+export { Delete_layer_action } from './delete-layer.js';
+export { Delete_layer_filter_action } from './delete-layer-filter.js';
+export { Delete_layer_settings_action } from './delete-layer-settings.js';
+export { Init_canvas_zoom_action } from './init-canvas-zoom.js';
+export { Insert_layer_action } from './insert-layer.js';
+export { Prepare_canvas_action } from './prepare-canvas.js';
+export { Reorder_layer_action } from './reorder-layer.js';
+export { Reset_layers_action } from './reset-layers.js';
+export { Refresh_action_attributes_action } from './refresh-action-attributes.js';
+export { Refresh_layers_gui_action } from './refresh-layers-gui.js';
+export { Reset_selection_action } from './reset-selection.js';
+export { Select_layer_action } from './select-layer.js';
+export { Select_next_layer_action } from './select-next-layer.js';
+export { Select_previous_layer_action } from './select-previous-layer.js';
+export { Set_object_property_action } from './set-object-property.js';
+export { Set_selection_action } from './set-selection.js';
+export { Stop_animation_action } from './stop-animation.js';
+export { Toggle_layer_visibility_action } from './toggle-layer-visibility.js';
+export { Update_config_action } from './update-config.js';
+export { Update_layer_image_action } from './update-layer-image.js';
+export { Update_layer_action } from './update-layer.js';

src/js/actions/init-canvas-zoom.js

@@ -0,0 +1,45 @@
+import app from '../app.js';
+import config from '../config.js';
+import zoomView from '../libs/zoomView.js';
+import { Base_action } from './base.js';
+
+export class Init_canvas_zoom_action extends Base_action {
+	/**
+	 * Resets the canvas
+	 */
+	constructor() {
+		super('init_canvas_zoom', 'Initialize Canvas Zoom');
+		this.old_bounds = null;
+		this.old_context = null;
+		this.old_stable_dimensions = null;
+	}
+
+	async do() {
+		super.do();
+		this.old_bounds = zoomView.getBounds();
+		this.old_context = zoomView.getContext();
+		this.old_stable_dimensions = app.Layers.stable_dimensions;
+		zoomView.setBounds(0, 0, config.WIDTH, config.HEIGHT);
+		zoomView.setContext(app.Layers.ctx);
+		app.Layers.stable_dimensions = [
+			config.WIDTH,
+			config.HEIGHT
+		];
+	}
+
+	async undo() {
+		super.undo();
+		zoomView.setBounds(this.old_bounds.top, this.old_bounds.left, this.old_bounds.right, this.old_bounds.bottom);
+		zoomView.setContext(this.old_context);
+		app.Layers.stable_dimensions = this.old_stable_dimensions;
+		this.old_bounds = null;
+		this.old_context = null;
+		this.old_stable_dimensions = null;
+	}
+
+	free() {
+		this.old_bounds = null;
+		this.old_context = null;
+		this.old_stable_dimensions = null;
+	}
+}

src/js/actions/insert-layer.js

@@ -0,0 +1,214 @@
+import app from './../app.js';
+import config from './../config.js';
+import { Base_action } from './base.js';
+import alertify from './../../../node_modules/alertifyjs/build/alertify.min.js';
+
+export class Insert_layer_action extends Base_action {
+	/**
+	 * Creates new layer
+	 *
+	 * @param {object} settings
+	 * @param {boolean} can_automate
+	 */
+	constructor(settings, can_automate = true) {
+		super('insert_layer', 'Insert Layer');
+		this.settings = settings;
+		this.can_automate = can_automate;
+		this.previous_auto_increment = null;
+		this.previous_selected_layer = null;
+		this.inserted_layer_id = null;
+		this.update_layer_action = null;
+		this.delete_layer_action = null;
+		this.autoresize_canvas_action = null;
+	}
+
+	async do() {
+		super.do();
+
+		this.previous_auto_increment = app.Layers.auto_increment;
+		this.previous_selected_layer = config.layer;
+		let autoresize_as = null;
+
+		// Default data
+		const layer = {
+			id: app.Layers.auto_increment,
+			parent_id: 0,
+			name: config.TOOL.name.charAt(0).toUpperCase() + config.TOOL.name.slice(1) + ' #' + app.Layers.auto_increment,
+			type: null,
+			link: null,
+			x: 0,
+			y: 0,
+			width: null,
+			width_original: null,
+			height: null,
+			height_original: null,
+			visible: true,
+			is_vector: false,
+			hide_selection_if_active: false,
+			opacity: 100,
+			order: app.Layers.auto_increment,
+			composition: 'source-over',
+			rotate: 0,
+			data: null,
+			params: {},
+			status: null,
+			color: config.COLOR,
+			filters: [],
+			render_function: null,
+		};
+
+		// Build data
+		for (let i in this.settings) {
+			if (typeof layer[i] == "undefined" && !i.startsWith('_')) {
+				alertify.error('Error: wrong key: ' + i);
+				continue;
+			}
+			layer[i] = this.settings[i];
+		}
+
+		// Prepare image
+		let image_load_promise;
+		if (layer.type == 'image') {
+			
+			if(layer.name.toLowerCase().indexOf('.svg') == layer.name.length - 4){
+				// We have svg
+				layer.is_vector = true;
+			}
+
+			if (config.layers.length == 1 && (config.layer.width == 0 || config.layer.width === null)
+					&& (config.layer.height == 0 || config.layer.height === null) && config.layer.data == null) {
+				// Remove first empty layer
+
+				this.delete_layer_action = new app.Actions.Delete_layer_action(config.layer.id, true);
+				await this.delete_layer_action.do();
+			}
+
+			if (layer.link == null) {
+				if (typeof layer.data == 'object') {
+					// Load actual image
+					if (layer.width == 0 || layer.width === null)
+						layer.width = layer.data.width;
+					if (layer.height == 0 || layer.height === null)
+						layer.height = layer.data.height;
+					layer.link = layer.data.cloneNode(true);
+					layer.link.onload = function () {
+						config.need_render = true;
+					};
+					layer.data = null;
+					autoresize_as = [layer.width, layer.height, null, true, true];
+					//need_autoresize = true;
+				}
+				else if (typeof layer.data == 'string') {
+					image_load_promise = new Promise((resolve, reject) => {
+						// Try loading as imageData
+						layer.link = new Image();
+						layer.link.onload = () => {
+							// Update dimensions
+							if (layer.width == 0 || layer.width === null)
+								layer.width = layer.link.width;
+							if (layer.height == 0 || layer.height === null)
+								layer.height = layer.link.height;
+							if (layer.width_original == null)
+								layer.width_original = layer.width;
+							if (layer.height_original == null)
+								layer.height_original = layer.height;
+							// Free data
+							layer.data = null;
+							autoresize_as = [layer.width, layer.height, layer.id, this.can_automate, true];
+							config.need_render = true;
+							resolve();
+						};
+						layer.link.onerror = (error) => {
+							resolve(error);
+							alertify.error('Sorry, image could not be loaded.');
+						};
+						layer.link.src = layer.data;
+						layer.link.crossOrigin = "Anonymous";
+					});
+				}
+				else {
+					alertify.error('Error: can not load image.');
+				}
+			}
+		}
+
+		if (this.settings != undefined && config.layers.length > 0
+			&& (config.layer.width == 0 || config.layer.width === null) && (config.layer.height == 0 || config.layer.height === null)
+			&& config.layer.data == null && layer.type != 'image' && this.can_automate !== false) {
+			// Update existing layer, because it's empty
+			this.update_layer_action = new app.Actions.Update_layer_action(config.layer.id, layer);
+			await this.update_layer_action.do();
+		}
+		else {
+			// Create new layer
+			config.layers.push(layer);
+			config.layer = app.Layers.get_layer(layer.id);
+			app.Layers.auto_increment++;
+
+			if (config.layer == null) {
+				config.layer = config.layers[0];
+			}
+
+			this.inserted_layer_id = layer.id;
+		}
+
+		if (layer.id >= app.Layers.auto_increment)
+			app.Layers.auto_increment = layer.id + 1;
+
+		if (image_load_promise) {
+			await image_load_promise;
+		}
+
+		if (autoresize_as) {
+			this.autoresize_canvas_action = new app.Actions.Autoresize_canvas_action(...autoresize_as);
+			try {
+				await this.autoresize_canvas_action.do();
+			} catch(error) {
+				this.autoresize_canvas_action = null;
+			}
+		}
+
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+
+	async undo() {
+		super.undo();
+		app.Layers.auto_increment = this.previous_auto_increment;
+		if (this.autoresize_canvas_action) {
+			await this.autoresize_canvas_action.undo();
+			this.autoresize_canvas_action = null;
+		}
+		if (this.inserted_layer_id) {
+			config.layers.pop();
+			this.inserted_layer_id = null;
+		}
+		if (this.update_layer_action) {
+			await this.update_layer_action.undo();
+			this.update_layer_action.free();
+			this.update_layer_action = null;
+		}
+		if (this.delete_layer_action) {
+			await this.delete_layer_action.undo();
+			this.delete_layer_action.free();
+			this.delete_layer_action = null;
+		}
+		config.layer = this.previous_selected_layer;
+		this.previous_selected_layer = null;
+
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+
+	free() {
+		if (this.delete_layer_action) {
+			this.delete_layer_action.free();
+			this.delete_layer_action = null;
+		}
+		if (this.update_layer_action) {
+			this.update_layer_action.free();
+			this.update_layer_action = null;
+		}
+		this.previous_selected_layer = null;
+	}
+}

src/js/actions/prepare-canvas.js

@@ -0,0 +1,29 @@
+import app from '../app.js';
+import config from '../config.js';
+import { Base_action } from './base.js';
+
+export class Prepare_canvas_action extends Base_action {
+	/**
+	 * Resizes/renders the canvas at the specified step. Usually used on both sides of a config update action.
+	 *
+	 * @param {boolean} call_when
+	 */
+	constructor(call_when = 'undo') {
+		super('prepare_canvas', 'Prepare Canvas');
+		this.call_when = call_when;
+	}
+
+	async do() {
+		super.do();
+		if (this.call_when === 'do') {
+			app.GUI.prepare_canvas();
+		}
+	}
+
+	async undo() {
+		super.undo();
+		if (this.call_when === 'undo') {
+			app.GUI.prepare_canvas();
+		}
+	}
+}

src/js/actions/refresh-action-attributes.js

@@ -0,0 +1,29 @@
+import app from '../app.js';
+import config from '../config.js';
+import { Base_action } from './base.js';
+
+export class Refresh_action_attributes_action extends Base_action {
+	/**
+	 * Resizes/renders the canvas at the specified step. Usually used on both sides of a config update action.
+	 *
+	 * @param {boolean} call_when
+	 */
+	constructor(call_when = 'undo') {
+		super('refresh_action_attributes', 'Refresh Action Attributes');
+		this.call_when = call_when;
+	}
+
+	async do() {
+		super.do();
+		if (this.call_when === 'do') {
+			app.GUI.GUI_tools.show_action_attributes();
+		}
+	}
+
+	async undo() {
+		super.undo();
+		if (this.call_when === 'undo') {
+			app.GUI.GUI_tools.show_action_attributes();
+		}
+	}
+}

src/js/actions/refresh-layers-gui.js

@@ -0,0 +1,29 @@
+import app from '../app.js';
+import config from '../config.js';
+import { Base_action } from './base.js';
+
+export class Refresh_layers_gui_action extends Base_action {
+	/**
+	 * Resizes/renders the canvas at the specified step. Usually used on both sides of a config update action.
+	 *
+	 * @param {boolean} call_when
+	 */
+	constructor(call_when = 'undo') {
+		super('refresh_gui', 'Refresh GUI');
+		this.call_when = call_when;
+	}
+
+	async do() {
+		super.do();
+		if (this.call_when === 'do') {
+			app.Layers.refresh_gui();
+		}
+	}
+
+	async undo() {
+		super.undo();
+		if (this.call_when === 'undo') {
+			app.Layers.refresh_gui();
+		}
+	}
+}

src/js/actions/reorder-layer.js

@@ -0,0 +1,64 @@
+import app from '../app.js';
+import config from '../config.js';
+import { Base_action } from './base.js';
+
+export class Reorder_layer_action extends Base_action {
+	/**
+	 * Reorder layer up or down in the layer stack
+	 *
+	 * @param {int} layer_id
+	 * @param {int} direction
+	 */
+	constructor(layer_id, direction) {
+		super('reorder_layer', 'Reorder Layer');
+		this.layer_id = parseInt(layer_id);
+		this.direction = direction;
+		this.reference_layer = null;
+		this.reference_target = null;
+		this.old_layer_order = null;
+		this.old_target_order = null;
+	}
+
+	async do() {
+		super.do();
+		this.reference_layer = app.Layers.get_layer(this.layer_id);
+		if (!this.reference_layer) {
+			throw new Error('Aborted - layer with specified id doesn\'t exist');
+		}
+		if (this.direction < 0) {
+			this.reference_target = app.Layers.find_previous(this.layer_id);
+		}
+		else {
+			this.reference_target = app.Layers.find_next(this.layer_id);
+		}
+		if (!this.reference_target) {
+			throw new Error('Aborted - layer has nowhere to move');
+		}
+		this.old_layer_order = this.reference_layer.order;
+		this.old_target_order = this.reference_target.order;
+		this.reference_layer.order = this.old_target_order;
+		this.reference_target.order = this.old_layer_order;
+
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+
+	async undo() {
+		super.undo();
+		if (this.reference_layer) {
+			this.reference_layer.order = this.old_layer_order;
+			this.reference_layer = null;
+		}
+		if (this.reference_target) {
+			this.reference_target.order = this.old_target_order;
+			this.reference_target = null;
+		}
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+
+	free() {
+		this.reference_layer = null;
+		this.reference_target = null;
+	}
+}

src/js/actions/reset-layers.js

@@ -0,0 +1,66 @@
+import app from '../app.js';
+import config from '../config.js';
+import { Base_action } from './base.js';
+
+export class Reset_layers_action extends Base_action {
+	/*
+	 * removes all layers
+	 */
+	constructor(auto_insert) {
+		super('reset_layers', 'Reset Layers');
+		this.auto_insert = auto_insert;
+		this.previous_auto_increment = null;
+		this.delete_actions = null;
+		this.insert_action = null;
+	}
+	async do() {
+		super.do();
+		const auto_insert = this.auto_insert;
+		this.previous_auto_increment = app.Layers.auto_increment;
+
+		this.delete_actions = [];
+		for (let i = config.layers.length - 1; i >= 0; i--) {
+			const delete_action = new app.Actions.Delete_layer_action(config.layers[i].id, true);
+			await delete_action.do();
+			this.delete_actions.push(delete_action);
+		}
+		app.Layers.auto_increment = 1;
+
+		if (auto_insert != undefined && auto_insert === true) {
+			const settings = {};
+			this.insert_action = new app.Actions.Insert_layer_action(settings);
+			await this.insert_action.do();
+		}
+
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+	async undo() {
+		super.undo();
+		if (this.insert_action) {
+			await this.insert_action.undo();
+			this.insert_action.free();
+			this.insert_action = null;
+		}
+		for (let i = this.delete_actions.length - 1; i >= 0; i--) {
+			await this.delete_actions[i].undo();
+			this.delete_actions[i].free();
+		}
+		app.Layers.auto_increment = this.previous_auto_increment;
+
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+	free() {
+		if (this.insert_action) {
+			this.insert_action.free();
+			this.insert_action = null;
+		}
+		if (this.delete_actions) {
+			for (let action of this.delete_actions) {
+				action.free();
+			}
+			this.delete_actions = null;
+		}
+	}
+}

src/js/actions/reset-selection.js

@@ -0,0 +1,57 @@
+import app from '../app.js';
+import config from '../config.js';
+import { Base_action } from './base.js';
+
+export class Reset_selection_action extends Base_action {
+	/**
+	 * Sets the selection to empty
+	 * 
+	 * @prop {object} [mirror_selection_settings] - Optional object to also set to an empty selection object 
+	 */
+	constructor(mirror_selection_settings) {
+		super('reset_selection', 'Reset Selection');
+		this.mirror_selection_settings = mirror_selection_settings;
+		this.settings_reference = null;
+		this.old_settings_data = null;
+	}
+
+	async do() {
+		super.do();
+		this.settings_reference = app.Layers.Base_selection.find_settings();
+		this.old_settings_data = JSON.parse(JSON.stringify(this.settings_reference.data));
+		this.settings_reference.data = {
+			x: null,
+			y: null,
+			width: null,
+			height: null
+		}
+		if (this.mirror_selection_settings) {
+			this.mirror_selection_settings.x = null;
+			this.mirror_selection_settings.y = null;
+			this.mirror_selection_settings.width = null;
+			this.mirror_selection_settings.height = null;
+		}
+		config.need_render = true;
+	}
+
+	async undo() {
+		super.undo();
+		if (this.old_settings_data) {
+			for (let prop of ['x', 'y', 'width', 'height']) {
+				this.settings_reference.data[prop] = this.old_settings_data[prop];
+				if (this.mirror_selection_settings) {
+					this.mirror_selection_settings[prop] = this.old_settings_data[prop];
+				}
+			}
+		}
+		this.settings_reference = null;
+		this.old_settings_data = null;
+		config.need_render = true;
+	}
+
+	free() {
+		this.settings_reference = null;
+		this.old_settings_data = null;
+		this.mirror_selection_settings = null;
+	}
+}

src/js/actions/select-layer.js

@@ -0,0 +1,57 @@
+import app from '../app.js';
+import config from '../config.js';
+import { Base_action } from './base.js';
+
+export class Select_layer_action extends Base_action {
+	/**
+	 * marks layer as selected, active
+	 *
+	 * @param {int} layer_id
+	 */
+	constructor(layer_id, ignore_same_selection = false) {
+		super('select_layer', 'Select Layer');
+		this.reset_selection_action = null;
+		this.layer_id = parseInt(layer_id);
+		this.ignore_same_selection = ignore_same_selection;
+		this.old_layer = null;
+	}
+
+	async do() {
+		super.do();
+
+		let old_layer = config.layer;
+		let new_layer = app.Layers.get_layer(this.layer_id);
+
+		if (old_layer !== new_layer) {
+			this.old_layer = old_layer;
+			config.layer = new_layer;
+		} else if (!this.ignore_same_selection) {
+			throw new Error('Aborted - Layer already selected');
+		}
+
+		this.reset_selection_action = new app.Actions.Reset_selection_action();
+		await this.reset_selection_action.do();
+
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+
+	async undo() {
+		super.undo();
+
+		if (this.reset_selection_action) {
+			await this.reset_selection_action.undo();
+			this.reset_selection_action = null;
+		}
+
+		config.layer = this.old_layer;
+		this.old_layer = null;
+
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+
+	free() {
+		this.old_layer = null;
+	}
+}

src/js/actions/select-next-layer.js

@@ -0,0 +1,33 @@
+import app from './../app.js';
+import config from './../config.js';
+import { Base_action } from './base.js';
+
+export class Select_next_layer_action extends Base_action {
+	constructor(reference_layer_id) {
+		super('select_next_layer', 'Select Next Layer');
+		this.reference_layer_id = reference_layer_id;
+		this.old_config_layer = null;
+	}
+
+	async do() {
+		super.do();
+		const next_layer = app.Layers.find_next(this.reference_layer_id);
+		if (!next_layer) {
+			throw new Error('Aborted - Next layer to select not found');
+		}
+		this.old_config_layer = config.layer;
+		config.layer = next_layer;
+
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+
+	async undo() {
+		super.undo();
+		config.layer = this.old_config_layer;
+		this.old_config_layer = null;
+
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+}

src/js/actions/select-previous-layer.js

@@ -0,0 +1,33 @@
+import app from './../app.js';
+import config from './../config.js';
+import { Base_action } from './base.js';
+
+export class Select_previous_layer_action extends Base_action {
+	constructor(reference_layer_id) {
+		super('select_previous_layer', 'Select Previous Layer');
+		this.reference_layer_id = reference_layer_id;
+		this.old_config_layer = null;
+	}
+
+	async do() {
+		super.do();
+		const previous_layer = app.Layers.find_previous(this.reference_layer_id);
+		if (!previous_layer) {
+			throw new Error('Aborted - Previous layer to select not found');
+		}
+		this.old_config_layer = config.layer;
+		config.layer = previous_layer;
+
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+
+	async undo() {
+		super.undo();
+		config.layer = this.old_config_layer;
+		this.old_config_layer = null;
+
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+}

src/js/actions/set-object-property.js

@@ -0,0 +1,35 @@
+import app from './../app.js';
+import config from './../config.js';
+import { Base_action } from './base.js';
+
+export class Set_object_property_action extends Base_action {
+	/**
+	 * Sets a generic object property. I recommend against using this as it's generally a hack for edge cases.
+	 *
+	 * @param {string} layer_id
+	 * @param {object} settings 
+	 */
+	constructor(object, property_name, value) {
+		super('set_object_property', 'Set Object Property');
+		this.object = object;
+		this.property_name = property_name;
+		this.value = value;
+		this.old_value = null;
+	}
+
+	async do() {
+		super.do();
+		this.old_value = this.object[this.property_name];
+		this.object[this.property_name] = this.value;
+	}
+
+	async undo() {
+		super.undo();
+		this.object[this.property_name] = this.old_value;
+		this.old_value = null;
+	}
+
+	free() {
+		this.object = null;
+	}
+}

src/js/actions/set-selection.js

@@ -0,0 +1,57 @@
+import app from '../app.js';
+import config from '../config.js';
+import { Base_action } from './base.js';
+
+export class Set_selection_action extends Base_action {
+	/**
+	 * Sets the selection to the specified position and dimensions
+	 */
+	constructor(x, y, width, height, old_settings_override) {
+		super('set_selection', 'Set Selection');
+		this.x = x;
+		this.y = y;
+		this.width = width;
+		this.height = height;
+		this.settings_reference = null;
+		this.old_settings_data = null;
+		this.old_settings_override = old_settings_override ? JSON.parse(JSON.stringify(old_settings_override)) || null : null;
+	}
+
+	async do() {
+		super.do();
+		this.settings_reference = app.Layers.Base_selection.find_settings();
+		this.old_settings_data = JSON.parse(JSON.stringify(this.settings_reference.data));
+		if (this.x != null)
+			this.settings_reference.data.x = this.x;
+		if (this.y != null)
+			this.settings_reference.data.y = this.y;
+		if (this.width != null)
+			this.settings_reference.data.width = this.width;
+		if (this.height != null)
+			this.settings_reference.data.height = this.height;
+
+		config.need_render = true;
+	}
+
+	async undo() {
+		super.undo()
+		if (this.old_settings_override) {
+			for (let prop in this.old_settings_override) {
+				this.settings_reference.data[prop] = this.old_settings_override[prop];   
+			}
+		} else {
+			for (let prop in this.old_settings_data) {
+				this.settings_reference.data[prop] = this.old_settings_data[prop];   
+			}
+		}
+		this.settings_reference = null;
+		this.old_settings_data = null;
+		config.need_render = true;
+	}
+
+	free() {
+		this.settings_reference = null;
+		this.old_settings_override = null;
+		this.old_settings_data = null;
+	}
+}

src/js/actions/stop-animation.js

@@ -0,0 +1,59 @@
+import app from './../app.js';
+import config from './../config.js';
+import { Base_action } from './base.js';
+
+export class Stop_animation_action extends Base_action {
+	/**
+	 * Stops the currently playing animation, both do and undo states will stop animation
+	 */
+	constructor(reset_layer_visibility) {
+		super('stop_animation', 'Stop Animation');
+		this.reset_layer_visibility = !!reset_layer_visibility;
+	}
+
+	async do() {
+		super.do();
+		const animation_tool = app.GUI.GUI_tools.tools_modules.animation.object;
+		var params = animation_tool.getParams();
+		if (animation_tool.intervalID == null)
+			return;
+
+		clearInterval(animation_tool.intervalID);
+		params.play = false;
+		animation_tool.index = 0;
+		animation_tool.GUI_tools.show_action_attributes();
+
+		// make all visible
+		if (this.reset_layer_visibility) {
+			for (let i in config.layers) {
+				config.layers[i].visible = true;
+			}
+		}
+
+		animation_tool.Base_gui.GUI_layers.render_layers();
+		config.need_render = true;
+	}
+
+	async undo() {
+		super.undo();
+		const animation_tool = app.GUI.GUI_tools.tools_modules.animation.object;
+		var params = animation_tool.getParams();
+		if (animation_tool.intervalID == null)
+			return;
+
+		clearInterval(animation_tool.intervalID);
+		params.play = false;
+		animation_tool.index = 0;
+		animation_tool.GUI_tools.show_action_attributes();
+
+		// make all visible
+		if (this.reset_layer_visibility) {
+			for (let i in config.layers) {
+				config.layers[i].visible = true;
+			}
+		}
+
+		animation_tool.Base_gui.GUI_layers.render_layers();
+		config.need_render = true;
+	}
+}

src/js/actions/store/image-store.js

@@ -0,0 +1,222 @@
+import { v4 as uuidv4 } from 'uuid';
+
+// Get a unique id to identify this tab's history in the database
+let tabUuid;
+try {
+    tabUuid = sessionStorage.getItem('history_tab_uuid');
+} catch (error) {}
+if (!tabUuid) {
+    tabUuid = uuidv4();
+    try {
+        sessionStorage.setItem('history_tab_uuid', tabUuid);
+    } catch (error) {}
+}
+
+let imageIdCounter = 0;
+let database = null;
+let databaseInitPromise = null;
+const tabPingInterval = 60000;
+const assumeTabIsClosedTimeout = 300000; // Inactive tabs setInterval is slowed down in most browsers, this should be significantly higher than tabPingInterval
+
+export default {
+    /**
+     * Initializes the database
+     */
+    async init() {
+        if (!databaseInitPromise) {
+            databaseInitPromise = new Promise(async (resolveInit) => {
+                try {
+                    if (window.indexedDB) {
+                        // Delete database from a previous page load, if no other tabs have notified that they're open in a while
+                        let shouldDeleteDatabase = true;
+                        try {
+                            let lastDatabaseTabPing = localStorage.getItem('history_usage_ping');
+                            shouldDeleteDatabase = (!lastDatabaseTabPing || parseInt(lastDatabaseTabPing, 10) < new Date().getTime() - assumeTabIsClosedTimeout);
+                        } catch (error) {}
+                        if (shouldDeleteDatabase) {
+                            await new Promise((resolve, reject) => {
+                                let deleteRequest = window.indexedDB.deleteDatabase('undoHistoryImageStore');
+                                deleteRequest.onerror = () => {
+                                    reject(deleteRequest.error);
+                                };
+                                deleteRequest.onsuccess = () => {
+                                    resolve();
+                                };
+                            });
+                        }
+                        // Initialize database
+                        await new Promise((resolve, reject) => {
+                            let openRequest = window.indexedDB.open('undoHistoryImageStore', 1);
+                            openRequest.onupgradeneeded = function(event) {
+                                database = openRequest.result;
+                                switch (event.oldVersion) {
+                                    case 0:
+                                        database.createObjectStore('images', { keyPath: 'id' });
+                                        break;
+                                }
+                            };
+                            openRequest.onerror = () => {
+                                reject(openRequest.error);
+                            }
+                            openRequest.onsuccess = () => {
+                                resolve();
+                                database = openRequest.result;
+                            }
+                        });
+                        if (!database) {
+                            throw new Error('indexedDB not initialized');
+                        }
+                        // Delete history from previous session
+                        try {
+                            await this.delete_all();
+                        } catch (error) {}
+                        // Ping localStorage for as long as this browser tab is open
+                        localStorage.setItem('history_usage_ping', new Date().getTime() + '');
+                        setInterval(() => {
+                            localStorage.setItem('history_usage_ping', new Date().getTime() + '');
+                        }, tabPingInterval);
+                    }
+                } catch (error) {
+                    database = {
+                        isMemory: true,
+                        images: {}
+                    };
+                }
+                resolveInit();
+            });
+            await databaseInitPromise;
+        } else if (!database) {
+            await databaseInitPromise;
+        }
+    },
+
+    /**
+     * Adds the specified image to the database. Returns a promise that is resolved with an id that can be used to retrieve it again.
+     * 
+     * @param {string | canvas | ImageData} imageData the image data to store
+     * @returns {Promise<string>} resolves with retrieval id
+     */
+    async add(imageData) {
+        await this.init();
+        let imageId = tabUuid + '-' + (imageIdCounter++);
+        if (database.isMemory) {
+            database.images[imageId] = imageData;
+        } else {
+            await new Promise((resolve, reject) => {
+                const transaction = database.transaction('images', 'readwrite');
+                const images = transaction.objectStore('images');
+                const image = {
+                    id: imageId,
+                    tabUuid,
+                    data: imageData
+                }
+                const request = images.add(image);
+                request.onsuccess = function() {
+                    resolve();
+                };
+                request.onerror = function() {
+                    reject(request.error);
+                };
+            });
+        }
+        return imageId;
+    },
+
+    /**
+     * Gets the specified image from the database, by imageId retrieved from "add()" method.
+     * 
+     * @param {string} imageId the id of the image to get
+     * @returns {Promise<string | canvas | ImageData>} resolves with the image
+     */
+    async get(imageId) {
+        await this.init();
+        if (database.isMemory) {
+            return database.images[imageId];
+        } else {
+            return new Promise((resolve, reject) => {
+                const transaction = database.transaction('images', 'readonly');
+                const images = transaction.objectStore('images');
+                const request = images.get(imageId);
+                request.onsuccess = function() {
+                    resolve(request.result && request.result.data);
+                };
+                request.onerror = function() {
+                    reject(request.error);
+                };
+            });
+        }
+    },
+
+    /**
+     * Deletes the specified image from the database, by imageId retrieved from "add()" method.
+     * 
+     * @param {string} imageId the id of the image to delete
+     * @returns {Promise<void>} 
+     */
+    async delete(imageId) {
+        await this.init();
+        if (database.isMemory) {
+            delete database.images[imageId];
+        } else {
+            return new Promise((resolve, reject) => {
+                const transaction = database.transaction('images', 'readwrite');
+                const images = transaction.objectStore('images');
+                const request = images.delete(imageId);
+                request.onsuccess = function() {
+                    resolve();
+                };
+                request.onerror = function() {
+                    reject(request.error);
+                };
+            });
+        }
+    },
+
+    /**
+     * Deletes all images associated with the current tab.
+     * 
+     * @returns {Promise<void>} 
+     */
+    async delete_all() {
+        await this.init();
+        if (database.isMemory) {
+            database.images = {};
+        } else {
+            return new Promise((resolve, reject) => {
+                const transaction = database.transaction('images', 'readwrite');
+                const images = transaction.objectStore('images');
+                const getAllImagesRequest = images.getAll();
+                getAllImagesRequest.onsuccess = async function () {
+                    const allImages = getAllImagesRequest.result;
+                    let errorOccurred = false;
+                    for (let image of allImages) {
+                        if (image.tabUuid === tabUuid) {
+                            try {
+                                await new Promise((deleteResolve, deleteReject) => {
+                                    const request = images.delete(image.id);
+                                    request.onsuccess = function() {
+                                        deleteResolve();
+                                    };
+                                    request.onerror = function() {
+                                        deleteReject(request.error);
+                                    };
+                                });
+                            } catch (error) {
+                                errorOccurred = true;
+                                // Should eventually be deleted when database is deleted due to timeout
+                            }
+                        }
+                    }
+                    if (errorOccurred) {
+                        // Use a different uuid to prevent conflicts
+                        tabUuid = uuidv4();
+                    }
+                    resolve();
+                };
+                getAllImagesRequest.onerror = function () {
+                    reject(request.error);
+                };
+            });
+        }
+    }
+};

src/js/actions/toggle-layer-visibility.js

@@ -0,0 +1,37 @@
+import app from '../app.js';
+import config from '../config.js';
+import { Base_action } from './base.js';
+
+export class Toggle_layer_visibility_action extends Base_action {
+	/**
+	 * toggle layer visibility
+	 *
+	 * @param {int} layer_id
+	 */
+	constructor(layer_id) {
+		super('toggle_layer_visibility', 'Toggle Layer Visibility');
+		this.layer_id = parseInt(layer_id);
+		this.old_visible = null;
+	}
+
+	async do() {
+		super.do();
+		const layer = app.Layers.get_layer(this.layer_id);
+		this.old_visible = layer.visible;
+		if (layer.visible == false)
+			layer.visible = true;
+		else
+			layer.visible = false;
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+
+	async undo() {
+		super.undo();
+		const layer = app.Layers.get_layer(this.layer_id);
+		layer.visible = this.old_visible;
+		this.old_visible = null;
+		app.Layers.render();
+		app.GUI.GUI_layers.render_layers();
+	}
+}

src/js/actions/update-config.js

@@ -0,0 +1,37 @@
+import app from './../app.js';
+import config from './../config.js';
+import { Base_action } from './base.js';
+
+export class Update_config_action extends Base_action {
+	/**
+	 * Updates the app config with the provided settings
+	 *
+	 * @param {object} settings 
+	 */
+	constructor(settings) {
+		super('update_config', 'Update Config');
+		this.settings = settings;
+		this.old_settings = {};
+	}
+
+	async do() {
+		super.do();
+		for (let i in this.settings) {
+			this.old_settings[i] = config[i];
+			config[i] = this.settings[i];
+		}
+	}
+
+	async undo() {
+		super.undo();
+		for (let i in this.old_settings) {
+			config[i] = this.old_settings[i];
+		}
+		this.old_settings = {};
+	}
+
+	free() {
+		this.settings = null;
+		this.old_settings = null;
+	}
+}

src/js/actions/update-layer-image.js

@@ -0,0 +1,149 @@
+import app from './../app.js';
+import config from './../config.js';
+import Helper_class from './../libs/helpers.js';
+import alertify from './../../../node_modules/alertifyjs/build/alertify.min.js';
+import image_store from './store/image-store.js';
+import { Base_action } from './base.js';
+
+const Helper = new Helper_class();
+
+export class Update_layer_image_action extends Base_action {
+	/**
+	 * updates layer image data
+	 *
+	 * @param {canvas} canvas
+	 * @param {int} layer_id (optional)
+	 */
+	constructor(canvas, layer_id) {
+		super('update_layer_image', 'Update Layer Image');
+		this.canvas = canvas;
+		if (layer_id == null)
+			layer_id = config.layer.id;
+		this.layer_id = parseInt(layer_id);
+		this.reference_layer = null;
+		this.old_image_id = null;
+		this.new_image_id = null;
+		this.old_link_database_id = null;
+	}
+
+	async do() {
+		super.do();
+		this.reference_layer = app.Layers.get_layer(this.layer_id);
+		if (!this.reference_layer) {
+			throw new Error('Aborted - layer with specified id doesn\'t exist');
+		}
+		if (this.reference_layer.type != 'image'){
+			alertify.error('Error: layer must be image.');
+			throw new Error('Aborted - layer is not an image');
+		}
+
+		// Get data url representation of image
+		let canvas_data_url;
+		if (this.new_image_id) {
+			try {
+				canvas_data_url = await image_store.get(this.new_image_id);
+			} catch (error) {
+				throw new Error('Aborted - problem retrieving cached image from database');
+			}
+		} else if (this.canvas) {
+			if (Helper.is_edge_or_ie() == false && typeof(FileReader) !== 'undefined') {
+				// Update image using blob and FileReader (async)
+				await new Promise((resolve) => {
+					this.canvas.toBlob((blob) => {
+						var reader = new FileReader();
+						reader.onloadend = () => {
+							canvas_data_url = reader.result;
+							resolve();
+						}
+						reader.readAsDataURL(blob);
+					}, 'image/png');
+				});
+			}
+			else {
+				// Slow way for IE, Edge
+				canvas_data_url = this.canvas.toDataURL();
+			}
+		}
+
+		// Store data url in database
+		try {
+			if (!this.old_image_id) {
+				if (this.reference_layer._link_database_id) {
+					this.old_image_id = this.reference_layer._link_database_id;
+				} else {
+					this.old_image_id = await image_store.add(this.reference_layer.link.src);
+				}
+			}
+			if (!this.new_image_id) {
+				this.new_image_id = await image_store.add(canvas_data_url);
+			}
+		} catch (error) {
+			console.log(error);
+			requestAnimationFrame(() => {
+				app.State.free(0, this.database_estimate || 1)
+			});
+		}
+
+		// Estimate storage size
+		try {
+			this.database_estimate = new Blob([await image_store.get(this.old_image_id)]).size;
+		} catch (e) {}
+
+		// Assign layer properties
+		this.reference_layer.link.src = canvas_data_url;
+		this.old_link_database_id = this.reference_layer._link_database_id;
+		this.reference_layer._link_database_id = this.new_image_id;
+
+		this.canvas = null;
+		config.need_render = true;
+	}
+
+	async undo() {
+		super.undo();
+
+		// Estimate storage size
+		try {
+			this.database_estimate = new Blob([this.reference_layer.link.src]).size;
+		} catch (e) {}
+
+		// Restore old image
+		if (this.old_image_id != null) {
+			try {
+				this.reference_layer.link.src = await image_store.get(this.old_image_id);
+			} catch (error) {
+				throw new Error('Failed to retrieve image from store');
+			}
+		}
+		this.reference_layer._link_database_id = this.old_link_database_id;
+		this.reference_layer = null;
+		config.need_render = true;
+	}
+
+	async free() {
+		let has_error = false;
+		if (this.new_image_id != null) {
+			try {
+				await image_store.delete(this.new_image_id);
+			} catch (error) {
+				has_error = true;
+			}
+			this.new_image_id = null;
+		}
+		if (this.is_done || !this.old_link_database_id) {
+			if (this.old_image_id != null) {
+				try {
+					await image_store.delete(this.old_image_id);
+				} catch (error) {
+					has_error = true;
+				}
+				this.old_image_id = null;
+			}
+		}
+		this.canvas = null;
+		this.old_link_database_id = null;
+		this.reference_layer = null;
+		if (has_error) {
+			alertify.error('A problem occurred while removing undo history. It\'s suggested you save your work and refresh the page in order to free up memory.');
+		}
+	}
+}

src/js/actions/update-layer.js

@@ -0,0 +1,67 @@
+import app from './../app.js';
+import config from './../config.js';
+import { Base_action } from './base.js';
+
+export class Update_layer_action extends Base_action {
+	/**
+	 * Updates an existing layer with the provided settings
+	 * WARNING: If passing objects or arrays into settings, make sure these are new or cloned objects, and not a modified existing object!
+	 *
+	 * @param {string} layer_id
+	 * @param {object} settings 
+	 */
+	constructor(layer_id, settings) {
+		super('update_layer', 'Update Layer');
+		this.layer_id = layer_id;
+		this.settings = settings;
+		this.reference_layer = null;
+		this.old_settings = {};
+	}
+
+	async do() {
+		super.do();
+		this.reference_layer = app.Layers.get_layer(this.layer_id);
+		if (!this.reference_layer) {
+			throw new Error('Aborted - layer with specified id doesn\'t exist');
+		}
+		for (let i in this.settings) {
+			if (i == 'id')
+				continue;
+			if (i == 'order')
+				continue;
+			this.old_settings[i] = this.reference_layer[i];
+			this.reference_layer[i] = this.settings[i];
+		}
+		if (this.reference_layer.type === 'text') {
+			this.reference_layer._needs_update_data = true;
+		}
+		if (this.settings.params || this.settings.width || this.settings.height) {
+			config.need_render_changed_params = true;
+		}
+		config.need_render = true;
+	}
+
+	async undo() {
+		super.undo();
+		if (this.reference_layer) {
+			for (let i in this.old_settings) {
+				this.reference_layer[i] = this.old_settings[i];
+			}
+			if (this.reference_layer.type === 'text') {
+				this.reference_layer._needs_update_data = true;
+			}
+			if (this.old_settings.params || this.old_settings.width || this.old_settings.height) {
+				config.need_render_changed_params = true;
+			}
+			this.old_settings = {};
+		}
+		this.reference_layer = null;
+		config.need_render = true;
+	}
+
+	free() {
+		this.settings = null;
+		this.old_settings = null;
+		this.reference_layer = null;
+	}
+}

src/js/app.js

@@ -0,0 +1,11 @@
+// Store singletons for easy access
+export default {
+	GUI: null,
+	Tools: null,
+	Layers: null,
+	Config: null,
+	State: null,
+	FileOpen: null,
+	FileSave: null,
+	Actions: null
+};