Merge branch 'Refactor3'

.gitattributes

@@ -1,17 +0,0 @@
-# Auto detect text files and perform LF normalization
-* text=auto
-
-# Custom for Visual Studio
-*.cs     diff=csharp
-
-# Standard to msysgit
-*.doc	 diff=astextplain
-*.DOC	 diff=astextplain
-*.docx diff=astextplain
-*.DOCX diff=astextplain
-*.dot  diff=astextplain
-*.DOT  diff=astextplain
-*.pdf  diff=astextplain
-*.PDF	 diff=astextplain
-*.rtf	 diff=astextplain
-*.RTF	 diff=astextplain

.gitignore

@@ -1,6 +1,3 @@
-node_modules
-package-lock.json
-
 # Windows image file caches
 Thumbs.db
 ehthumbs.db
@@ -53,8 +50,10 @@ Temporary Items
 *.zip
 itch*
 
-# node
-node_modules
-
 # IDE stuff
 .idea
+
+/Cargo.lock
+/dist/
+/index.html
+/includes/style.css

Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "pixsy"
+version = "0.72.7"
+description = "convert images to Bitsy rooms"
+authors = ["Max Bradbury <max@tinybird.info>"]
+edition = "2018"
+license = "MIT"
+repository = "https://tinybird.dev/max/image-to-bitsy"
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+base64 = "^0.12.3"
+bitsy-parser = "^0.72.5"
+image = "^0.23.7"
+json = "^0.12.4"
+lazy_static = "^1.4.0"
+wasm-bindgen = "=0.2.64" # newer versions are bugged...

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Max Bradbury
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -0,0 +1,3 @@
+# pixsy
+
+convert images to rooms for use in Bitsy

TODO.md

@@ -0,0 +1,6 @@
+# todo
+
+* tile reuse
+* noise reduction (remove lonely pixels)
+* implement Atkinson and Bayer dithering options
+* fix weird problem with pixels flipping (see test::example)

_config.yml

@@ -1 +0,0 @@
-theme: jekyll-theme-dinky

build.sh

@@ -1,4 +1,5 @@
-#!/usr/bin/env bash
+#! /usr/bin/env bash
 
-pug index.pug index.html
+pug index.pug
 lessc includes/style.less includes/style.css
+wasm-pack build --target web

deploy.sh

@@ -1,4 +1,6 @@
-#!/usr/bin/env bash
+#! /usr/bin/env bash
 
-zip -r image-to-bitsy.zip readme.md index.html includes/
-butler push image-to-bitsy.zip ruin/image-to-bitsy:html
+rm -rf dist
+mkdir dist
+cp -r README.md LICENSE index.html script.js pkg includes old dist
+butler push dist ruin/pixsy:html

includes/style.less

@@ -1,144 +1,133 @@
-@font-face {
-    font-family: 'rubikregular';
-    src: url('rubik-regular-webfont.woff2') format('woff2'),
-         url('rubik-regular-webfont.woff') format('woff');
-    font-weight: normal;
-    font-style: normal;
-}
-
-@light: #d3cbd0;
-@dark:  #594a54;
-@accent: #f69f8f; // pink
+@background:      #57506a;
+@page-background: #968eb5;
+@accent:          #ec6d7d;
+@text:            #464256;
 
 * {
     box-sizing: border-box;
-    font-family: "rubikregular", sans-serif;
+    color: @text;
+    margin: 0 auto 0.5em auto;
     text-align: center;
 }
 
 html, body {
-    background-color: @dark;
-    color: @light;
+    background-color: @background;
+    font-size: 3vmin;
+    margin: 0;
+    padding: 0;
 }
 
-a {
+button {
+    padding: 1em;
+    white-space: nowrap;
+    width: 100%;
+    
+    &.pagination:not(.normal) {
+        position: absolute;
+        bottom: 5vmin;
+        width: auto;
+        
+        &.prev {
+            left: 5vmin;
+        }
+        
+        &.next, &.start {
+            right: 5vmin;
+        }
+    }
+}
+
+header * {
     color: @accent;
 }
 
-canvas {
-    image-rendering: -moz-crisp-edges;
-    image-rendering: pixelated;
-}
-
-input[type="color"] {
-    &[disabled] {
-        opacity: 0.5;
-    }
-
-    width: 2em;
-    height: 2em;
+h1 {
     margin: 0;
-    padding: 0;
-    border: none;
-    background: none;
 }
 
-input[type="file"] {
-    padding: 1em 0;
-    width: 256px;
+h3 {
+    font-size: 0.9em;
 }
 
-input[type="text"], button {
-    width: 14em;
-    margin: 1em;
-    padding: 0.25em;
-    font-size: 1em;
+input {
+    width: 100%;
+    text-align: left;
+    
+    &[type="checkbox"] {
+        width: auto;
+        margin-right: 1em;
+        position: relative;
+        top: 0.25em;
+        left: 0.25em;
+    }
 }
 
-table {
-    margin: 0 auto;
+img {
+    max-width: 100%;
+    margin: 0;
+}
 
-    td, th {
-        width: 50%;
-    }
+p {
+    font-size: 0.8em;
+    margin: 0 auto 1em auto;
+}
 
-    td {
-        text-align: left;
-    }
+label {
+    font-size: 0.75em;
+    font-weight: bold;
+}
 
-    th {
-        text-align: right;
-    }
+select {
+    width: 100%;
 }
 
 textarea {
-    .box256;
-
-    font-family: monospace;
+    height: 15em;
+    padding: 0.5em;
+    text-align: left;
+    width: 100%;
 }
 
-textarea, input {
+.background {
+    background-color: @background;
+    padding: 0.5em;
+    border-radius: 0.5em;
+}
+
+.checkboxes label {
+    margin-right: 1em;
+}
+
+.cropper-tools {
+    margin-top: 0;
+}
+
+.half {
+    display: inline-block;
+    text-align: left;
+    width: 50%;
+}
+
+.image-container {
+    height: 46vh;
     text-align: left;
 }
 
-.box256 {
-  height: 256px;
-  width: 256px;
+.page {
+    height: 80vmin;
+    width:  80vmin;
+    
+    background-color: @page-background;
+    color: @text;
+    border-radius: 5vmin;
+    box-shadow: @accent 1vmin 1vmin;
+    padding: 5vmin;
+    position: relative;
 }
 
-.centre {
-    margin: 0 auto;
-}
-
-.croppie-container {
-    height: auto;
-}
-
-.flex-container {
-  background-color: @light;
-  display: flex;
-  flex-flow: row wrap;
-}
-
-// make this just for desktop view?
-// put sections in a single column on mobile/etc?
-.section {
-    .centre;
-
-    background-color: @light;
-    color: @dark;
+#preview {
     width: 256px;
-    padding-bottom: 1em;
-}
-
-#brightness {
-    width: 256px;
-}
-
-#threshold {
-    width: 150px;
-}
-
-#brightness, #threshold {
-    + label{
-        .centre;
-    }
-
-    // todo make this match the croppie slider or vice versa
-}
-
-#palettes {
-    .box256;
-
-    overflow-y: scroll;
-}
-
-#preview, #room-output {
-    .centre;
-
-    width: 256px;
-}
-
-#save {
-    margin-top: 0;
+    height: 256px;
+    image-rendering: pixelated;
+    image-rendering: crisp-edges;
 }

index.pug

@@ -1,96 +1,96 @@
 doctype html
-html
+html(lang="en-gb")
     head
         meta(charset="utf-8")
-        title image to bitsy
-
-        // lodash
-        script(src="includes/lodash.min.js")
-
-        // jquery
-        script(src="includes/jquery.min.js")
-        
-        // croppie
+        title pixsy
+        link(rel="stylesheet" href="includes/style.css")
         link(rel="stylesheet" href="includes/croppie.css")
-        script(src="includes/croppie.js")
-
-        // main stuff
-        link(rel="stylesheet" type="text/css" href="includes/style.css")
-        script(src="includes/script.js")
+        script(src="includes/croppie.min.js")
     body
         header
-            h1 image-to-bitsy
-            p convert any image to a #[a(href="https://ledoux.itch.io/bitsy") bitsy] room
+            h1
+                | pixsy
+                //img(alt="pixsy" src="includes/pixsy.png")
             p.
-                #[a(href="https://github.com/synth-ruiner/bitsy-image-to-room") about]
+                convert images to Bitsy rooms
+                |
+                #[a(href="./old/") old version]
                 |
-                please contact me if you have any issues:
-                #[a(href="https://twitter.com/synth_ruiner") twitter],
                 #[a(href="mailto:max@tinybird.info") email]
-
-        .flex-container
-            #game-data.section
+                |
+                #[a(href="https://twitter.com/synth_ruiner") twitter]
+        .pages
+            .page#start
+                button.normal.pagination.next#new create a new bitsy game
+                button.normal.pagination.next#load load an existing bitsy game
+            .page.game-data
                 h2 game data
 
-                textarea#bitsy-data(placeholder="Bitsy data or html")
-                    include includes/default.bitsy
+                input#game(type="file" autocomplete="off")
+                br
 
-                p
-                    input.game-data(type="file")
-                p paste or upload your game data (or html) here
-                p (maybe make a backup first)
+                textarea#game-data(
+                    placeholder="Paste your game data here or use the file chooser button above"
+                    autocomplete="off"
+                )
 
-            #image.section
+                button.pagination.prev previous
+                button.pagination.next#game-data-next(disabled=true) next
+            .page.image#page-image
                 h2 image
 
-                #croppie
+                .image-container
+                    input#image(type="file" accept="image/*")
+                    #crop(style="display: none;")
 
-                input#imageUpload(type="file" accepts="image/*")
+                button.pagination.prev previous
+                button.pagination.next#image-next(disabled=true) next
+            .page.room#page-room
+                h2 room
 
-            #palette.section
-                h2 palette
+                table
+                    tbody
+                        tr
+                            td(style="width: 60%")
+                                img#preview(alt="preview")
+                                br
 
-                form#palettes
-                    table
-                        tbody
+                                label
+                                    | brightness
+                                    input#brightness(type="range" min=-96 max=96 value=0)
+                            td(style="vertical-align: top;")
+                                label
+                                    | name (optional)
+                                    input#room-name(type="text" placeholder="e.g. 'bedroom'" autocomplete="off")
 
-            #crop.section
-                h2 preview
+                                label
+                                    | palette
+                                    select#palette
 
-                canvas#preview(width=128, height=128)
+                                #new-palette(style="display: none;")
+                                    .half
+                                        input#colour-background(type="color" value="#000000")
+                                    .half
+                                        input#colour-foreground(type="color" value="#ffffff")
 
-                input#brightness(type="range" min=-255 max=255 value=0)
+                                label
+                                    input#dither(type="checkbox" checked=true)
+                                    | dither
+                                br
 
-                label(for="brightness") brightness
+                button.pagination.prev#back-to-image previous
+                button.pagination.next#room-next add room
+            .page.download
+                p#added
 
-                //- to do
-                    input#dithering(type="checkbox")
-                    label(for="dithering") dithering
+                h2 download
 
-                //- to do
-                    input#smoothing(type="checkbox")
-                    label(for="smoothing") smoothing
-
-            #output.section
-                h2 output
-
-                canvas#room-output(width=128, height=128)
-
-                label#never never
-                input#threshold(type="range" min=0 max=64 value=64)
-                label#always  always
-                br
-                label(for="threshold") create new tiles
+                textarea#output(autocomplete="off")
                 br
 
-                input#roomName(type="text", placeholder="room name")
+                button#download download
 
-                button#save write to game data
-
-                //- to do
-
-                    //-label favour broad strokes | favour details
-
-                    br
-
-                    //-button Download
+                button.pagination.prev#add add another image
+                button.pagination.start#reset start again
+        script(type="module")
+            include script.js

old/includes/croppie.css

@@ -0,0 +1,250 @@
+.croppie-container {
+    width: 100%;
+    height: 100%;
+}
+
+.croppie-container .cr-image {
+    z-index: -1;
+    position: absolute;
+    top: 0;
+    left: 0;
+    transform-origin: 0 0;
+    max-height: none;
+    max-width: none;
+}
+
+.croppie-container .cr-boundary {
+    position: relative;
+    overflow: hidden;
+    margin: 0 auto;
+    z-index: 1;
+    width: 100%;
+    height: 100%;
+}
+
+.croppie-container .cr-viewport,
+.croppie-container .cr-resizer {
+    position: absolute;
+    border: 2px solid #fff;
+    margin: auto;
+    top: 0;
+    bottom: 0;
+    right: 0;
+    left: 0;
+    box-shadow: 0 0 2000px 2000px rgba(0, 0, 0, 0.5);
+    z-index: 0;
+}
+
+.croppie-container .cr-resizer {
+  z-index: 2;
+  box-shadow: none;
+  pointer-events: none;
+}
+
+.croppie-container .cr-resizer-vertical,
+.croppie-container .cr-resizer-horisontal {
+  position: absolute;
+  pointer-events: all;
+}
+
+.croppie-container .cr-resizer-vertical::after,
+.croppie-container .cr-resizer-horisontal::after {
+    display: block;
+    position: absolute;
+    box-sizing: border-box;
+    border: 1px solid black;
+    background: #fff;
+    width: 10px;
+    height: 10px;
+    content: '';
+}
+
+.croppie-container .cr-resizer-vertical {
+  bottom: -5px;
+  cursor: row-resize;
+  width: 100%;
+  height: 10px;
+}
+
+.croppie-container .cr-resizer-vertical::after {
+    left: 50%;
+    margin-left: -5px;
+}
+
+.croppie-container .cr-resizer-horisontal {
+  right: -5px;
+  cursor: col-resize;
+  width: 10px;
+  height: 100%;
+}
+
+.croppie-container .cr-resizer-horisontal::after {
+    top: 50%;
+    margin-top: -5px;
+}
+
+.croppie-container .cr-original-image {
+    display: none;
+}
+
+.croppie-container .cr-vp-circle {
+    border-radius: 50%;
+}
+
+.croppie-container .cr-overlay {
+    z-index: 1;
+    position: absolute;
+    cursor: move;
+    touch-action: none;
+}
+
+.croppie-container .cr-slider-wrap {
+    width: 75%;
+    margin: 15px auto;
+    text-align: center;
+}
+
+.croppie-result {
+    position: relative;
+    overflow: hidden;
+}
+
+.croppie-result img {
+    position: absolute;
+}
+
+.croppie-container .cr-image,
+.croppie-container .cr-overlay,
+.croppie-container .cr-viewport {
+    -webkit-transform: translateZ(0);
+    -moz-transform: translateZ(0);
+    -ms-transform: translateZ(0);
+    transform: translateZ(0);
+}
+
+/*************************************/
+/***** STYLING RANGE INPUT ***********/
+/*************************************/
+/*http://brennaobrien.com/blog/2014/05/style-input-type-range-in-every-browser.html */
+/*************************************/
+
+.cr-slider {
+    -webkit-appearance: none;
+/*removes default webkit styles*/
+	/*border: 1px solid white; *//*fix for FF unable to apply focus style bug */
+    width: 300px;
+/*required for proper track sizing in FF*/
+    max-width: 100%;
+    padding-top: 8px;
+    padding-bottom: 8px;
+    background-color: transparent;
+}
+
+.cr-slider::-webkit-slider-runnable-track {
+    width: 100%;
+    height: 3px;
+    background: rgba(0, 0, 0, 0.5);
+    border: 0;
+    border-radius: 3px;
+}
+
+.cr-slider::-webkit-slider-thumb {
+    -webkit-appearance: none;
+    border: none;
+    height: 16px;
+    width: 16px;
+    border-radius: 50%;
+    background: #ddd;
+    margin-top: -6px;
+}
+
+.cr-slider:focus {
+    outline: none;
+}
+/*
+.cr-slider:focus::-webkit-slider-runnable-track {
+background: #ccc;
+}
+*/
+
+.cr-slider::-moz-range-track {
+    width: 100%;
+    height: 3px;
+    background: rgba(0, 0, 0, 0.5);
+    border: 0;
+    border-radius: 3px;
+}
+
+.cr-slider::-moz-range-thumb {
+    border: none;
+    height: 16px;
+    width: 16px;
+    border-radius: 50%;
+    background: #ddd;
+    margin-top: -6px;
+}
+
+/*hide the outline behind the border*/
+.cr-slider:-moz-focusring {
+    outline: 1px solid white;
+    outline-offset: -1px;
+}
+
+.cr-slider::-ms-track {
+    width: 100%;
+    height: 5px;
+    background: transparent;
+/*remove bg colour from the track, we'll use ms-fill-lower and ms-fill-upper instead */
+	border-color: transparent;/*leave room for the larger thumb to overflow with a transparent border */
+	border-width: 6px 0;
+	color: transparent;/*remove default tick marks*/
+}
+.cr-slider::-ms-fill-lower {
+	background: rgba(0, 0, 0, 0.5);
+	border-radius: 10px;
+}
+.cr-slider::-ms-fill-upper {
+	background: rgba(0, 0, 0, 0.5);
+	border-radius: 10px;
+}
+.cr-slider::-ms-thumb {
+	border: none;
+	height: 16px;
+	width: 16px;
+	border-radius: 50%;
+	background: #ddd;
+	margin-top:1px;
+}
+.cr-slider:focus::-ms-fill-lower {
+	background: rgba(0, 0, 0, 0.5);
+}
+.cr-slider:focus::-ms-fill-upper {
+	background: rgba(0, 0, 0, 0.5);
+}
+/*******************************************/
+
+/***********************************/
+/* Rotation Tools */
+/***********************************/
+.cr-rotate-controls {
+	position: absolute;
+	bottom: 5px;
+	left: 5px;
+	z-index: 1;
+}
+.cr-rotate-controls button {
+	border: 0;
+	background: none;
+}
+.cr-rotate-controls i:before {
+	display: inline-block;
+	font-style: normal;
+	font-weight: 900;
+	font-size: 22px;
+}
+.cr-rotate-l i:before {
+	content: '↺';
+}
+.cr-rotate-r i:before {
+	content: '↻';
+}

old/includes/script.js

@@ -100,7 +100,7 @@ $(document).ready(function() {
     }
 
     function handleBitsyGameData() {
-        let input = $bitsyData.val();
+        let input = $('#bitsy-data').val();
 
         if ( ! input) {
             return;
@@ -488,7 +488,7 @@ $(document).ready(function() {
     });
 
     $('#save').on('click touchend', function() {
-        let $textArea = $('textarea');
+        $textArea = $('textarea');
 
         let newGameData = $textArea.val();
 

old/includes/style.less

@@ -0,0 +1,144 @@
+@font-face {
+    font-family: 'rubikregular';
+    src: url('rubik-regular-webfont.woff2') format('woff2'),
+         url('rubik-regular-webfont.woff') format('woff');
+    font-weight: normal;
+    font-style: normal;
+}
+
+@light: #d3cbd0;
+@dark:  #594a54;
+@accent: #f69f8f; // pink
+
+* {
+    box-sizing: border-box;
+    font-family: "rubikregular", sans-serif;
+    text-align: center;
+}
+
+html, body {
+    background-color: @dark;
+    color: @light;
+}
+
+a {
+    color: @accent;
+}
+
+canvas {
+    image-rendering: -moz-crisp-edges;
+    image-rendering: pixelated;
+}
+
+input[type="color"] {
+    &[disabled] {
+        opacity: 0.5;
+    }
+
+    width: 2em;
+    height: 2em;
+    margin: 0;
+    padding: 0;
+    border: none;
+    background: none;
+}
+
+input[type="file"] {
+    padding: 1em 0;
+    width: 256px;
+}
+
+input[type="text"], button {
+    width: 14em;
+    margin: 1em;
+    padding: 0.25em;
+    font-size: 1em;
+}
+
+table {
+    margin: 0 auto;
+
+    td, th {
+        width: 50%;
+    }
+
+    td {
+        text-align: left;
+    }
+
+    th {
+        text-align: right;
+    }
+}
+
+textarea {
+    .box256;
+
+    font-family: monospace;
+}
+
+textarea, input {
+    text-align: left;
+}
+
+.box256 {
+  height: 256px;
+  width: 256px;
+}
+
+.centre {
+    margin: 0 auto;
+}
+
+.croppie-container {
+    height: auto;
+}
+
+.flex-container {
+  background-color: @light;
+  display: flex;
+  flex-flow: row wrap;
+}
+
+// make this just for desktop view?
+// put sections in a single column on mobile/etc?
+.section {
+    .centre;
+
+    background-color: @light;
+    color: @dark;
+    width: 256px;
+    padding-bottom: 1em;
+}
+
+#brightness {
+    width: 256px;
+}
+
+#threshold {
+    width: 150px;
+}
+
+#brightness, #threshold {
+    + label{
+        .centre;
+    }
+
+    // todo make this match the croppie slider or vice versa
+}
+
+#palettes {
+    .box256;
+
+    overflow-y: scroll;
+}
+
+#preview, #room-output {
+    .centre;
+
+    width: 256px;
+}
+
+#save {
+    margin-top: 0;
+}

package.json

@@ -1,14 +0,0 @@
-{
-    "name": "bitsy-image-to-room",
-    "description": "Tool to convert images to Bitsy rooms. Can work as an offline web application",
-    "version": "0.0.1",
-    "devDependencies": {
-        "pug": "latest",
-        "pug-cli": "latest",
-        "less": "latest"
-    },
-    "dependencies": {
-        "croppie": "^2.5.1",
-        "jquery": "^3.5.0"
-    }
-}

script.js

@@ -0,0 +1,273 @@
+import init, {
+    add_room,
+    get_palettes,
+    get_preview,
+    load_image,
+    load_game,
+    load_default_game,
+    output,
+    set_brightness,
+    set_dither,
+    set_palette,
+    set_room_name,
+} from './pkg/pixsy.js';
+
+if (typeof WebAssembly !== "object") {
+    window.location = "./old/"
+}
+
+// stolen from https://ourcodeworld.com/articles/read/189/how-to-create-a-file-and-generate-a-download-with-javascript-in-the-browser-without-a-server
+function download(filename, text) {
+    let element = document.createElement('a');
+
+    element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
+    element.setAttribute('download', filename);
+    element.style.display = 'none';
+    document.body.appendChild(element);
+    element.click();
+    document.body.removeChild(element);
+}
+
+function el(id) {
+    return document.getElementById(id);
+}
+
+function pagination(e) {
+    const parent = e.target.parentNode;
+
+    parent.style.display = "none";
+
+    if (e.target.classList.contains("next")) {
+        parent.nextSibling.style.display = "block";
+    } else if (e.target.classList.contains("prev")) {
+        parent.previousSibling.style.display = "block";
+    } else if (e.target.classList.contains("start")) {
+        document.getElementById("start").style.display = "block";
+    }
+}
+
+function readFile(input, callback, type = "text") {
+    if (input.files && input.files[0]) {
+        let reader = new FileReader();
+        reader.onload = callback;
+
+        if (type === "text") {
+            reader.readAsText(input.files[0]);
+        } else {
+            reader.readAsDataURL(input.files[0]);
+        }
+    }
+}
+
+async function run() {
+    await init();
+
+    const buttonAddImage         = el("add");
+    const buttonBackToImage      = el("back-to-image");
+    const buttonDownload         = el("download");
+    const buttonGameDataProceed  = el("game-data-next");
+    const buttonImageProceed     = el("image-next");
+    const buttonRoomProceed      = el("room-next");
+    const buttonLoadGame         = el("load");
+    const buttonNewGame          = el("new");
+    const buttonReset            = el("reset");
+    const checkboxDither         = el("dither");
+    const divCroppie             = el("crop");
+    const divNewPalette          = el("new-palette");
+    const inputBrightness        = el("brightness");
+    const inputColourBackground  = el("colour-background");
+    const inputColourForeground  = el("colour-foreground");
+    const inputRoomName          = el("room-name");
+    const selectPalette          = el("palette");
+    const textareaGameDataInput  = el("game-data");
+    const textareaGameDataOutput = el("output");
+
+    const croppie = new Croppie(divCroppie, {
+        viewport: {width: 128, height: 128, type: 'square'},
+        boundary: {width: 256, height: 256},
+        enableZoom: true,
+    });
+
+    // hide all pages except start page
+    for (let page of document.getElementsByClassName('page')) {
+        page.style.display = "none";
+    }
+    el("start").style.display = "block";
+
+    for (let pageButton of document.getElementsByClassName("pagination")) {
+        pageButton.addEventListener('click',    pagination);
+        pageButton.addEventListener('touchend', pagination);
+    }
+
+    // croppie needs to be on screen to work;
+    // halt pagination until we're finished gathering the results
+    buttonImageProceed.removeEventListener("click", pagination);
+
+    function new_game() {
+        load_default_game();
+        textareaGameDataInput.value = output();
+        checkGameData();
+        // we don't need to look at the default game data, so skip ahead to the image page
+        buttonGameDataProceed.click();
+    }
+
+    function clear_game() {
+        textareaGameDataInput.value = "";
+        checkGameData();
+    }
+
+    buttonNewGame.addEventListener("click", new_game);
+    buttonNewGame.addEventListener("touchend", new_game);
+    buttonLoadGame.addEventListener("click", clear_game);
+    buttonLoadGame.addEventListener("touchend", clear_game);
+
+    // handle game data and image
+
+    el("game").addEventListener("change", function() {
+        readFile(this, function (e) {
+            textareaGameDataInput.value = e.target.result;
+            console.log(load_game(e.target.result));
+            checkGameData();
+        }, "text");
+    });
+
+    function setPaletteDropdown() {
+        const palettes = JSON.parse(get_palettes());
+        console.debug(palettes);
+
+        selectPalette.innerHTML = "";
+
+        palettes.push({
+            id: "NEW_PALETTE",
+            name: "new palette"
+        });
+
+        for (let palette of palettes) {
+            let option = document.createElement("option");
+
+            option.value     = palette.id;
+            option.innerText = palette.name;
+
+            selectPalette.appendChild(option);
+        }
+    }
+
+    function checkGameData() {
+        if (textareaGameDataInput.value.length > 0) {
+            buttonGameDataProceed.removeAttribute("disabled");
+            setPaletteDropdown();
+        } else {
+            buttonGameDataProceed.setAttribute("disabled", "disabled");
+        }
+    }
+
+    textareaGameDataInput.addEventListener("change", checkGameData);
+    textareaGameDataInput.addEventListener("keyup",  checkGameData);
+    checkGameData();
+
+    el('image').addEventListener('change', function () {
+        readFile(this, function (e) {
+            croppie.bind({url: e.target.result, zoom: 0});
+            divCroppie.style.display = "block";
+            buttonImageProceed.removeAttribute("disabled");
+        }, "image");
+    });
+
+    function loadPreview() {
+        el("preview").setAttribute("src", get_preview());
+    }
+
+    function handleImage() {
+        croppie.result({
+            type: "base64",
+            size: "viewport",
+            format: "png",
+        }).then((result) => {
+            console.log("Loading image: " + load_image(result));
+
+            el("page-image").style.display = "none";
+            el("page-room" ).style.display = "block";
+
+            loadPreview();
+        });
+    }
+
+    buttonImageProceed.addEventListener("click",    handleImage);
+    buttonImageProceed.addEventListener("touchend", handleImage);
+
+    selectPalette.addEventListener("change", () => {
+        set_palette(selectPalette.value, inputColourBackground.value, inputColourForeground.value);
+
+        if (selectPalette.value === "NEW_PALETTE") {
+            divNewPalette.style.display = "block";
+        } else {
+            divNewPalette.style.display = "none";
+        }
+
+        loadPreview();
+    });
+
+    function updateCustomPalette() {
+        set_palette(selectPalette.value, inputColourBackground.value, inputColourForeground.value);
+        loadPreview();
+    }
+
+    inputColourForeground.addEventListener("change", updateCustomPalette);
+    inputColourBackground.addEventListener("change", updateCustomPalette);
+
+    checkboxDither.addEventListener("change", () => {
+        set_dither(checkboxDither.checked);
+        loadPreview();
+    });
+
+    inputRoomName.addEventListener("change", () => {
+        set_room_name(inputRoomName.value);
+    });
+
+    inputBrightness.addEventListener("input", () => {
+        set_brightness(inputBrightness.value);
+        loadPreview();
+    });
+
+    function addRoom() {
+        el("added").innerText = add_room();
+        textareaGameDataOutput.value = output();
+    }
+
+    buttonRoomProceed.addEventListener("click",    addRoom);
+    buttonRoomProceed.addEventListener("touchend", addRoom);
+
+    function handleDownload() {
+        download("output.bitsy", textareaGameDataOutput.value);
+    }
+
+    buttonDownload.addEventListener("click",    handleDownload);
+    buttonDownload.addEventListener("touchend", handleDownload);
+
+    function addImage() {
+        textareaGameDataInput.value = textareaGameDataOutput.value;
+        textareaGameDataOutput.value = "";
+        buttonBackToImage.click();
+    }
+
+    buttonAddImage.addEventListener("click",    addImage);
+    buttonAddImage.addEventListener("touchend", addImage);
+
+    // would it be easier just to reload the page? lol
+    function reset() {
+        clear_game();
+        // todo clear file inputs
+        inputBrightness.value       = 0;
+        inputRoomName.value         = "";
+        selectPalette.innerHTML     = "";
+        divNewPalette.style.display = "none";
+        inputColourBackground.value = "#000000";
+        inputColourForeground.value = "#ffffff";
+        checkboxDither.checked      = true;
+    }
+
+    buttonReset.addEventListener("click",    reset);
+    buttonReset.addEventListener("touchend", reset);
+}
+
+run();

src/colour_map.rs

@@ -0,0 +1,74 @@
+use image::Rgba;
+
+#[derive(Clone, Copy)]
+pub struct ColourMap {
+    background: Rgba<u8>,
+    foreground: Rgba<u8>,
+}
+
+impl ColourMap {
+    pub(crate) fn from(palette: &bitsy_parser::Palette) -> ColourMap {
+        let background = Rgba::from([
+            palette.colours[0].red,
+            palette.colours[0].green,
+            palette.colours[0].blue,
+            255,
+        ]);
+
+        let foreground = Rgba::from([
+            palette.colours[1].red,
+            palette.colours[1].green,
+            palette.colours[1].blue,
+            255,
+        ]);
+
+        ColourMap { background, foreground }
+    }
+}
+
+fn diff(a: &Rgba<u8>, b:&Rgba<u8>) -> u32 {
+    let diff_red  = (a[0] as i16 - b[0] as i16).abs();
+    let diff_green= (a[1] as i16 - b[1] as i16).abs();
+    let diff_blue = (a[2] as i16 - b[2] as i16).abs();
+
+    (diff_red + diff_green + diff_blue) as u32
+}
+
+impl image::imageops::colorops::ColorMap for ColourMap {
+    type Color = Rgba<u8>;
+
+    #[inline(always)]
+    fn index_of(&self, color: &Self::Color) -> usize {
+        let diff_background = diff(color, &self.background);
+        let diff_foreground = diff(color, &self.foreground);
+
+        if diff_foreground <= diff_background { 1 } else { 0 }
+    }
+
+    #[inline(always)]
+    fn lookup(&self, idx: usize) -> Option<Self::Color> {
+        match idx {
+            0 => Some(self.background.into()),
+            1 => Some(self.foreground.into()),
+            _ => None,
+        }
+    }
+
+    /// Indicate NeuQuant implements `lookup`.
+    fn has_lookup(&self) -> bool {
+        true
+    }
+
+    #[inline(always)]
+    fn map_color(&self, color: &mut Self::Color) {
+        let closest = match self.index_of(color) {
+            1 => self.foreground,
+            _ => self.background,
+        };
+
+        color[0] = closest[0];
+        color[1] = closest[1];
+        color[2] = closest[2];
+        color[3] = closest[3];
+    }
+}

src/lib.rs

@@ -0,0 +1,395 @@
+#![feature(clamp)]
+
+use bitsy_parser::game::Game;
+use bitsy_parser::image::Image;
+use bitsy_parser::tile::Tile;
+use image::{GenericImageView, Pixel, DynamicImage};
+use image::imageops::ColorMap;
+use image::imageops::FilterType::CatmullRom;
+use lazy_static::lazy_static;
+use std::sync::Mutex;
+use wasm_bindgen::prelude::*;
+
+mod colour_map;
+
+use colour_map::ColourMap;
+
+const SD: u32 = 8;
+
+enum SelectedPalette {
+    None,
+    Existing {
+        id: String,
+    },
+    New {
+        background: bitsy_parser::Colour,
+        foreground: bitsy_parser::Colour,
+    }
+}
+
+struct State {
+    game:       Option<Game>,
+    image:      Option<DynamicImage>,
+    room_name:  Option<String>,
+    palette:    SelectedPalette,
+    dither:     bool,
+    brightness: i32,
+}
+
+lazy_static! {
+    static ref STATE: Mutex<State> = Mutex::new(
+        State {
+            game:       None,
+            image:      None,
+            room_name:  None,
+            palette:    SelectedPalette::None,
+            dither:     true,
+            brightness: 0,
+        }
+    );
+}
+
+fn tile_name(prefix: &Option<String>, x: &u32, y: &u32) -> Option<String> {
+    if let Some(prefix) = prefix {
+        Some(format!("{} ({},{})", prefix, x, y))
+    } else {
+        None
+    }
+}
+
+#[wasm_bindgen]
+pub fn load_default_game()  {
+    let mut state = STATE.lock().unwrap();
+
+    state.game = Some(bitsy_parser::mock::game_default());
+
+    // yes, this will probably always just be "0", but to be safe…
+    state.palette = SelectedPalette::Existing {
+        id: bitsy_parser::mock::game_default().palette_ids()[0].clone()
+    }
+}
+
+#[wasm_bindgen]
+pub fn load_game(game_data: String) -> String {
+    let mut state = STATE.lock().unwrap();
+
+    let result = Game::from(game_data);
+
+    match result {
+        Ok((game, _errs)) => {
+            let palette_id = game.palette_ids()[0].clone();
+            state.game    = Some(game);
+            state.palette = SelectedPalette::Existing { id: palette_id };
+            format!("Loaded game")
+        },
+        _ => {
+            state.game    = None;
+            state.palette = SelectedPalette::None;
+            format!("{}", result.err().unwrap())
+        }
+    }
+}
+
+#[wasm_bindgen]
+pub fn load_image(image_base64: String) -> String {
+    let mut state = STATE.lock().expect("Couldn't lock application state");
+
+    let image_base64: Vec<&str> = image_base64.split("base64,").collect();
+
+    if image_base64.len() < 2 {
+        return format!("Error: Badly-formatted base64: {}", image_base64.join(""));
+    }
+
+    let image_base64 = image_base64[1];
+
+    match base64::decode(image_base64) {
+        Ok(image) => {
+            match image::load_from_memory(image.as_ref()) {
+                Ok(image) => {
+                    let size = format!("{}×{}", image.width(), image.height());
+                    // todo get rid of magic numbers! what about Bitsy HD?
+                    let image = image.resize(128, 128, CatmullRom);
+                    state.image = Some(image);
+                    size
+                },
+                _ => {
+                    state.image = None;
+                    "Error: Couldn't load image".to_string()
+                }
+            }
+        },
+        _ => {
+            state.image = None;
+            "Error: Couldn't decode image".to_string()
+        }
+    }
+}
+
+#[wasm_bindgen]
+pub fn set_dither(dither: bool) {
+    let mut state = STATE.lock().unwrap();
+    state.dither = dither;
+}
+
+#[wasm_bindgen]
+pub fn set_palette(palette_id: &str, background: String, foreground: String) {
+    let mut state = STATE.lock().unwrap();
+
+    state.palette = match palette_id {
+        "NEW_PALETTE" => SelectedPalette::New {
+            background: bitsy_parser::Colour::from_hex(&background).unwrap(),
+            foreground: bitsy_parser::Colour::from_hex(&foreground).unwrap(),
+        },
+        "" => SelectedPalette::None,
+        _             => SelectedPalette::Existing { id: palette_id.to_string() },
+    }
+}
+
+#[wasm_bindgen]
+pub fn set_room_name(room_name: String) {
+    let mut state = STATE.lock().unwrap();
+
+    match room_name.is_empty() {
+        true  => { state.room_name = None },
+        false => { state.room_name = Some(room_name) },
+    }
+}
+
+#[wasm_bindgen]
+pub fn set_brightness(brightness: i32) {
+    let mut state = STATE.lock().unwrap();
+    state.brightness = brightness;
+}
+
+#[wasm_bindgen]
+pub fn get_palettes() -> String {
+    let state = STATE.lock().unwrap();
+
+    let mut palette_objects = json::JsonValue::new_array();
+
+    for palette in &state.game.as_ref().unwrap().palettes {
+        let mut object = json::JsonValue::new_object();
+
+        object.insert("id", palette.id.clone()).unwrap();
+
+        object.insert(
+            "name",
+            palette.name.clone().unwrap_or(
+                format!("Palette {}", palette.id))
+        ).unwrap();
+
+        palette_objects.push(object).unwrap();
+    }
+
+    json::stringify(palette_objects)
+}
+
+fn image_to_base64(image: &DynamicImage) -> String {
+    let mut bytes: Vec<u8> = Vec::new();
+    image.write_to(&mut bytes, image::ImageOutputFormat::Png).unwrap();
+    format!("data:image/png;base64,{}", base64::encode(&bytes))
+}
+
+fn palette_from(bg: &bitsy_parser::Colour, fg: &bitsy_parser::Colour) -> bitsy_parser::Palette {
+    bitsy_parser::Palette {
+        id: "0".to_string(),
+        name: None,
+        colours: vec![
+            bg.clone(), fg.clone(), bitsy_parser::Colour { red: 0, green: 0, blue: 0 }
+        ],
+    }
+}
+
+fn render_preview(state: &State) -> DynamicImage {
+    let mut buffer = state.image.as_ref().unwrap().clone().into_rgba();
+
+    let palette = match &state.palette {
+        SelectedPalette::None => bitsy_parser::mock::game_default().palettes[0].clone(),
+        SelectedPalette::Existing { id } => state.game.as_ref().unwrap().get_palette(id).unwrap().clone(),
+        SelectedPalette::New { background, foreground } => palette_from(background, foreground),
+    };
+
+    let colour_map = crate::ColourMap::from(&palette);
+
+    // adjust brightness
+    let mut buffer = image::imageops::brighten(&mut buffer, state.brightness);
+
+    if state.dither {
+        image::imageops::dither(&mut buffer, &colour_map);
+    } else {
+        // just do colour indexing
+        let indices = image::imageops::colorops::index_colors(&mut buffer, &colour_map);
+
+        // todo get rid of magic numbers! what about Bitsy HD?
+        buffer = image::ImageBuffer::from_fn(128, 128, |x, y| -> image::Rgba<u8> {
+            let p = indices.get_pixel(x, y);
+
+            colour_map
+                .lookup(p.0[0] as usize)
+                .expect("indexed colour out-of-range")
+                .into()
+        });
+    }
+
+    image::DynamicImage::ImageRgba8(buffer)
+}
+
+#[wasm_bindgen]
+pub fn get_preview() -> String {
+    let state = STATE.lock().unwrap();
+
+    match &state.image.is_some() {
+        true  => image_to_base64(&render_preview(&state)),
+        false => "".to_string(),
+    }
+}
+
+#[wasm_bindgen]
+pub fn add_room() -> String {
+    let mut state = STATE.lock().expect("Couldn't lock application state");
+
+    if state.game.is_none() {
+        return "No game data loaded".to_string();
+    }
+
+    match &state.palette {
+        SelectedPalette::None => { return "No palette selected".to_string(); },
+        _ => {}
+    };
+
+    let mut game = state.game.clone().unwrap();
+
+    if state.image.is_none() {
+        return "No image loaded".to_string();
+    }
+
+    let palette_id = Some(match &state.palette {
+        SelectedPalette::None => bitsy_parser::mock::game_default().palettes[0].id.clone(),
+        SelectedPalette::Existing { id } => id.clone(),
+        SelectedPalette::New { background, foreground } => {
+            game.add_palette(palette_from(background, foreground))
+        },
+    });
+
+    let foreground = &game.palettes
+        .iter()
+        .find(|&palette| &palette.id == palette_id.as_ref().unwrap())
+        .unwrap().colours[1].clone();
+
+    let preview = render_preview(&state);
+
+    let width   = 128;
+    let height  = 128;
+    let columns = (width  as f64 / SD as f64).floor() as u32;
+    let rows    = (height as f64 / SD as f64).floor() as u32;
+
+    let mut tile_ids = Vec::new();
+    let initial_tile_count = game.tiles.len();
+
+    for row in 0..rows {
+        for column in 0..columns {
+            let mut pixels = Vec::with_capacity(64);
+
+            fn colour_match(a: &image::Rgb<u8>, b: &bitsy_parser::Colour) -> u8 {
+                if a[0] == b.red && a[1] == b.green && a[2] == b.blue { 1 } else { 0 }
+            };
+
+            for y in (row * SD)..((row + 1) * SD) {
+                for x in (column * SD)..((column + 1) * SD) {
+                    let pixel = preview.get_pixel(x, y).to_rgb();
+                    pixels.push(colour_match(&pixel, foreground));
+                }
+            }
+
+            let tile = Tile {
+                // "0" will get overwritten to a new, safe tile ID
+                id: "0".to_string(),
+                name: tile_name(&state.room_name, &column, &row),
+                wall: None,
+                animation_frames: vec![Image { pixels }],
+                colour_id: None
+            };
+
+            let tile_id = if game.tiles.contains(&tile) {
+                game.tiles.iter().find(|&t| t == &tile).unwrap().id.clone()
+            } else {
+                game.add_tile(tile)
+            };
+
+            tile_ids.push(tile_id);
+        }
+    }
+
+    game.add_room(bitsy_parser::Room {
+        id: "0".to_string(),
+        palette_id,
+        name: state.room_name.clone(),
+        tiles: tile_ids,
+        items: vec![],
+        exits: vec![],
+        endings: vec![],
+        walls: None
+    });
+
+    game.dedupe_tiles();
+
+    let new_tile_count = game.tiles.len();
+
+    state.game = Some(game.to_owned());
+
+    format!(
+        "Added room \"{}\" with {} new tiles",
+        &state.room_name.as_ref().unwrap_or(&"untitled".to_string()),
+        new_tile_count - initial_tile_count
+    )
+}
+
+#[wasm_bindgen]
+pub fn output() -> String {
+    let state = STATE.lock().unwrap();
+
+    match &state.game {
+        Some(game) => game.to_string(),
+        None => "No game loaded".to_string(),
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use crate::{add_room, load_image, load_default_game, output, get_preview, set_room_name};
+
+    #[test]
+    fn image_to_base64() {
+        let image = image::load_from_memory(include_bytes!("test-resources/test.png")).unwrap();
+        let output = crate::image_to_base64(&image);
+        let expected = include_str!("test-resources/test.png.base64").trim();
+        assert_eq!(output, expected);
+    }
+
+    #[test]
+    fn get_palettes() {
+        load_default_game();
+        let output = crate::get_palettes();
+        let expected = "[{\"id\":\"0\",\"name\":\"blueprint\"}]";
+        assert_eq!(output, expected);
+    }
+
+    #[test]
+    fn render_preview() {
+        load_default_game();
+        load_image(include_str!("test-resources/colour_input.png.base64").trim().to_string());
+        let output = get_preview();
+        let expected = include_str!("test-resources/colour_input.png.base64.greyscale").trim();
+        assert_eq!(output, expected);
+    }
+
+    #[test]
+    fn example() {
+        load_default_game();
+        load_image(include_str!("test-resources/test.png.base64").trim().to_string());
+        set_room_name("test".to_string());
+        println!("add_room(): {}", add_room());
+        // todo what? why are extraneous pixels appearing in the output tiles?
+        assert_eq!(output(), include_str!("test-resources/expected.bitsy"));
+    }
+}

src/test-resources/expected.bitsy

@@ -0,0 +1,159 @@
+Write your game's title here
+
+# BITSY VERSION 7.2
+
+! ROOM_FORMAT 1
+
+PAL 0
+NAME blueprint
+0,82,204
+128,159,255
+255,255,255
+
+ROOM 0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,a,a,a,a,a,a,a,a,a,a,a,a,a,a,0
+0,a,0,0,0,0,0,0,0,0,0,0,0,0,a,0
+0,a,0,0,0,0,0,0,0,0,0,0,0,0,a,0
+0,a,0,0,0,0,0,0,0,0,0,0,0,0,a,0
+0,a,0,0,0,0,0,0,0,0,0,0,0,0,a,0
+0,a,0,0,0,0,0,0,0,0,0,0,0,0,a,0
+0,a,0,0,0,0,0,0,0,0,0,0,0,0,a,0
+0,a,0,0,0,0,0,0,0,0,0,0,0,0,a,0
+0,a,0,0,0,0,0,0,0,0,0,0,0,0,a,0
+0,a,0,0,0,0,0,0,0,0,0,0,0,0,a,0
+0,a,0,0,0,0,0,0,0,0,0,0,0,0,a,0
+0,a,0,0,0,0,0,0,0,0,0,0,0,0,a,0
+0,a,0,0,0,0,0,0,0,0,0,0,0,0,a,0
+0,a,a,a,a,a,a,a,a,a,a,a,a,a,a,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+NAME example room
+PAL 0
+
+ROOM 1
+a,a,1,1,2,2,3,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+NAME test
+PAL 0
+
+TIL a
+11111111
+10000001
+10000001
+10011001
+10011001
+10000001
+10000001
+11111111
+NAME block
+
+TIL 1
+00011000
+00111000
+00011000
+00011000
+00011000
+00011000
+00011000
+00111100
+NAME test (2,0)
+
+TIL 2
+00111100
+01100110
+01100110
+00001100
+00011000
+00110000
+01100000
+01111110
+NAME test (4,0)
+
+TIL 3
+00111100
+01100110
+01100110
+00001100
+00001100
+01100110
+01100110
+00111100
+NAME test (6,0)
+
+SPR A
+00011000
+00011000
+00011000
+00111100
+01111110
+10111101
+00100100
+00100100
+POS 0 4,4
+
+SPR a
+00000000
+00000000
+01010001
+01110001
+01110010
+01111100
+00111100
+00100100
+NAME cat
+DLG 0
+POS 0 8,12
+
+ITM 0
+00000000
+00000000
+00000000
+00111100
+01100100
+00100100
+00011000
+00000000
+NAME tea
+DLG 1
+
+ITM 1
+00000000
+00111100
+00100100
+00111100
+00010000
+00011000
+00010000
+00011000
+NAME key
+DLG 2
+
+DLG 0
+I'm a cat
+NAME cat dialog
+
+DLG 1
+You found a nice warm cup of tea
+NAME tea dialog
+
+DLG 2
+A key! {wvy}What does it open?{wvy}
+NAME key dialog
+
+VAR a
+42
+

src/test-resources/test.png.base64

@@ -0,0 +1 @@
+data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAIAAAACACAYAAADDPmHLAAAABHNCSVQICAgIfAhkiAAAAcJJREFUeJzt19FqgzAAQFEz+v+/nD1t2NLWsQgW7jlP2ogVvUYdc865LRhj/C7/7Gr/29678cfDeNxmdZznbtv2vwu2H39cPtr26H/mnNuc8259ZZzXvs7a0dHJdjE+022/sjKFrzh6jKyO89ppM8AZrgqw7C6AMcbbk3s0vmL1BfLZewDHPmIGcOdfZ5z1GbjymfbqEI7u5nf7EMvfjG3bzJVhH/EI4DoCiBNAnADiBBAngDgBxAkgTgBxAogTQJwA4gQQJ4A4AcQJIE4AcQKIE0CcAOIEECeAOAHECSBOAHECiBNAnADiBBAngDgBxAkgTgBxAogTQJwA4gQQJ4A4AcQJIE4AcQKIE0CcAOIEECeAOAHECSBOAHECiBNAnADiBBAngDgBxAkgTgBxAogTQJwA4gQQJ4A4AcQJIE4AcQKIE0CcAOIEECeAOAHECSBOAHECiBNAnADiBBAngDgBxAkgTgBxAogTQJwA4gQQJ4A4AcQJIE4AcQKIE0CcAOIEECeAOAHECSBOAHECiBNAnADiBBAngDgBxAkgTgBxAogTQJwA4gQQJ4A4AcQJIE4AcQKIE0CcAOIEECeAOAHEfQM+SHkFb+/YEwAAAABJRU5ErkJggg==