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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>TTT – Tiny Texture Tumbler</title>
<style>
* {
box-sizing: border-box;
font-family: sans-serif;
font-size: 12px;
}
html, body{
margin: 0;
padding: 0;
background: #111;
color: #fff;
height: 100%;
}
a, .action{
color: #D19;
text-decoration: none;
cursor: pointer;
font-weight: bold;
user-select: none;
}
a:hover, .action:hover{
color:#fff
}
input, select {
background: #444;
color: #fff;
border: 0;
padding: 8px;
min-width: 0;
margin:0 8px 0 0;
}
input[type=color] {
padding: 0;
width: 32px;
height: 32px;
}
input[type=number] {
width: 80px;
}
label{
padding: 8px 0;
font-weight:bold;
}
canvas {
image-rendering: pixelated;
image-rendering: crisp-edges;
}
.panel {
background: #222;
padding:4px;
margin: 4px;
}
.flex-h {
display:flex;
}
.flex-grow {
flex-grow: 1;
}
.row{
display:flex;
margin:8px 0;
}
#editor {
display: flex;
flex-direction: column;
height: 100%;
}
#result {
font-family: monospace;
}
#main {
display: flex;
flex: 1 1 auto;
overflow-y: hidden;
}
#canvas-container {
overflow: hidden;
position: relative;
}
#canvas {
display: block;
position: absolute;
left: 0;
right: 0;
top: 0;
bottom: 0;
margin: auto;
}
#settings{
width:300px;
display: flex;
flex-direction: column;
}
#steps-container {
flex-grow: 1;
overflow-y: auto;
}
.step {
position: relative;
border-top: 1px dashed #ccc;
margin-top: 16px;
padding-top: 8px;
}
.step-button {
float: right;
padding: 0 4px 4px 4px;
}
.zoom {
display: inline-block;
text-align: center;
font-size: 24px;
width: 30px;
height: 30px;
}
.undo {
font-size: 24px;
padding: 0 12px;
}
#texture-collection {
height: 240px;
overflow-y: auto;
}
#texture-collection div {
border: 1px dashed transparent;
}
#texture-collection div.active {
border: 1px dashed #fff;
}
#texture-collection canvas {
width: 100%;
height: auto;
}
#texture-collection > div {
cursor: pointer;
position: relative;
width: 128px;
float: left;
margin: 8px;
}
.texture-collection-button {
position: absolute;
z-index: 100;
top: 0;
left: 0;
padding: 4px;
background: rgba(0,0,0,0.5);
}
.texture-collection-button:last-child {
left: auto;
right: 0;
}
</style>
</head>
<body>
<div id="editor">
<div class="panel">
<label>
TTT – Tiny Texture Tumbler – <a href="https://github.com/phoboslab/ttt">github.com/phoboslab/ttt</a>
</label>
</div>
<div id="menu" class="panel">
<div class="flex-h">
<input type="text" id="result" class="flex-grow"
placeholder="Paste your TTT data here" oninput="ttte.parseUserInput()"/>
<label><a href="#" id="share" target="_blank">share</a></label>
<label class="action undo" title="Undo" onclick="ttte.undo()">‹</label>
<label class="action undo" title="Redo" onclick="ttte.redo()">›</label>
<label><span id="num-bytes">0</span> bytes</label>
</div>
</div>
<div class="flex-h" id="main">
<div id="canvas-container" class="panel flex-grow">
<span class="action zoom" title="Zoom in" onclick="ttte.zoomIn()">+</span>
<span class="action zoom" title="Zoom out" onclick="ttte.zoomOut()">-</span>
<canvas id="canvas" class="main-canvas"></canvas>
</div>
<div id="settings" class="panel">
<label>TEXTURE SETTINGS</label>
<div class="row">
<input class="def" type="number" value="32"/>
<input class="def" type="number" value="32"/>
<label>width/height</label>
</div>
<div class="row def color">
<input type="color" value="#cccccc"/>
<input type="number" value="15" min="0", max="15"/>
<label>color</label>
</div>
<label>STEPS</label>
<div id="steps-container">
<div id="steps">
</div>
</div>
<div>
<select id="operations-select" onchange="ttte.addStep()">
<option value="-1" selected disabled hidden>+ step</option>
</select>
</div>
</div>
</div>
<div id="texture-collection-container" class="panel">
<span class="action" onclick="ttte.addTexture()">+ texture</span>
<div id="texture-collection">
</div>
</div>
</div>
<script type="text/javascript" src="ttt.js"></script>
<script type="text/javascript">
class TTTE {
constructor() {
this.undo_stack = ['[[32,32,13119]]'];
this.undo_position = 0;
this.append_to_undo_stack = true;
this.append_undo_stack_timeout = 0;
let op_id = 0;
for (let op in TTTE.Operations) {
let option = document.createElement('option');
option.value = op_id++;
option.textContent = op;
this.$('#operations-select').appendChild(option);
}
let inputs = this.$$('#settings input,select');
for (let input of inputs) {
input.addEventListener('input', (ev) => this.update());
}
this.textures = [];
this.zoom = 1;
this.setZoom(3);
if (window.location.hash.length > 8) {
let input = window.location.hash.substr(1);
let def_string = decodeURIComponent(escape(window.atob(input)));
this.parse(def_string);
}
// Add a first texture if we don't have any from parse()
if (!this.textures.length) {
this.addTexture();
}
}
addTexture() {
let inputs = this.$$('.def');
let div = document.createElement('div');
let texture = {
div: div,
def: [
parseInt(inputs[0].value), // width
parseInt(inputs[1].value), // height
0x333f // color
]
};
let preview_canvas = document.createElement('canvas');
preview_canvas.addEventListener('click', (ev) => this.setTexture(texture));
div.appendChild(preview_canvas);
let copy_button = document.createElement('div');
copy_button.classList.add('texture-collection-button', 'action');
copy_button.textContent = 'copy';
copy_button.addEventListener('click', (ev) => this.copyTexture(texture));
div.appendChild(copy_button);
let delete_button = document.createElement('div');
delete_button.classList.add('texture-collection-button', 'action');
delete_button.textContent = '×';
delete_button.addEventListener('click', (ev) => this.deleteTexture(texture));
div.appendChild(delete_button);
this.$('#texture-collection').appendChild(div);
this.textures.push(texture);
this.setTexture(texture);
this.update();
}
setTexture(texture) {
let divs = this.$$('#texture-collection div');
for (let div of divs) {
div.classList.remove('active');
}
texture.div.classList.add('active');
this.current_texture = texture;
this.setTextureDef(texture.def);
}
setTextureDef(def) {
this.$('#steps').innerHTML = '';
let i = 0;
let inputs = this.$$('.def');
inputs[0].value = def[i++];
inputs[1].value = def[i++];
this.setColorInput(inputs[2], def[i++]);
while (i < def.length) {
this.addStepWithId(def[i++]);
inputs = this.$$('.def');
for (i; i < inputs.length; i++) {
if (inputs[i].classList.contains('color')) {
this.setColorInput(inputs[i], def[i]);
}
else {
inputs[i].value = def[i];
}
}
}
this.update();
}
setColorInput(container, c) {
this.$$('input', container)[0].value = '#' +(
((((c>>12)&15)*17) << 16) +
((((c>>8)&15)*17) << 8) +
((((c>>4)&15)*17))
).toString(16).padStart(6, '0');
this.$$('input', container)[1].value = (c&15);
}
copyTexture(texture) {
this.addTexture();
this.setTextureDef(texture.def);
this.update();
}
deleteTexture(texture) {
this.textures.splice(this.textures.indexOf(texture), 1);
texture.div.remove();
if (!this.textures.length) {
this.addTexture();
}
else if (this.current_texture == texture) {
this.setTexture(this.textures[0]);
}
this.update();
}
addStep() {
let op_id = this.$('#operations-select').value;
this.addStepWithId(op_id);
this.update();
this.$('#operations-select').value = -1;
}
addStepWithId(op_id) {
let op_name = Object.keys(TTTE.Operations)[op_id];
let op = TTTE.Operations[op_name];
let div = document.createElement('div');
let label = document.createElement('label');
label.textContent = op_name;
div.appendChild(label);
div.classList.add('step');
let delete_button = document.createElement('div');
delete_button.classList.add('action', 'step-button', 'step-delete');
delete_button.textContent = '×';
delete_button.title = 'delete step';
delete_button.addEventListener('click', (ev) => this.deleteStep(div));
div.appendChild(delete_button);
let move_down_button = document.createElement('div');
move_down_button.classList.add('action', 'step-button', 'step-delete');
move_down_button.textContent = '▼';
move_down_button.title = 'move step down';
move_down_button.addEventListener('click', (ev) => this.moveStep(div, 1));
div.appendChild(move_down_button);
let move_up_button = document.createElement('div');
move_up_button.classList.add('action', 'step-button', 'step-delete');
move_up_button.textContent = '▲';
move_up_button.title = 'move step up';
move_up_button.addEventListener('click', (ev) => this.moveStep(div, -1));
div.appendChild(move_up_button);
let op_input = document.createElement('input');
op_input.type = 'hidden';
op_input.value = op_id;
op_input.classList.add('def');
div.appendChild(op_input);
for (let param_name in op) {
this.addStepParams(div, param_name, op[param_name]);
}
let inputs = this.$$('input,select', div);
for (let input of inputs) {
input.addEventListener('input', (ev) => this.update());
}
this.$('#steps').appendChild(div);
}
addStepParams(div, param_name, values) {
let row = document.createElement('div');
row.classList.add('row');
if (!Array.isArray(values)) {
values = [values];
}
for (let value of values) {
if (value.type === 'number' || value.type === 'text') {
let setting = document.createElement('input');
setting.type = value.type;
setting.value = value.value;
setting.classList.add('def');
if (value.type === 'number') {
setting.min = value.min;
setting.max = value.max;
}
row.appendChild(setting);
}
else if (value.type === 'array') {
let setting = document.createElement('select');
for (let i = 0; i < value.def.length; i++) {
let option = document.createElement('option');
option.textContent = value.def[i];
option.value = i;
setting.appendChild(option);
}
setting.value = value.value;
setting.classList.add('def');
row.appendChild(setting);
}
else if (value.type === 'color') {
let color = document.createElement('input');
color.type = 'color';
color.value = value.color;
let alpha = document.createElement('input');
alpha.type = 'number';
alpha.value = value.alpha;
alpha.min = 0;
alpha.max = 15;
row.classList.add('def');
row.classList.add('color');
row.appendChild(color);
row.appendChild(alpha);
}
}
let value_label = document.createElement('label');
value_label.textContent = param_name;
row.appendChild(value_label);
div.appendChild(row);
}
moveStep(div, dir) {
if (dir === -1) {
if (div.previousSibling) {
div.parentNode.insertBefore(div, div.previousSibling);
}
}
else {
if (div.nextSibling && div.nextSibling.nextSibling) {
div.parentNode.insertBefore(div, div.nextSibling.nextSibling);
}
else if (div.nextSibling) {
div.parentNode.appendChild(div);
}
}
this.update();
}
deleteStep(div) {
div.remove();
this.update();
}
zoomIn() {
this.setZoom(Math.min(16, this.zoom * 2));
}
zoomOut() {
this.setZoom(Math.max(1, this.zoom * 0.5));
}
setZoom(zoom) {
this.zoom = zoom;
let canvas = this.$('#canvas');
canvas.style.width = (canvas.width * this.zoom) + 'px';
canvas.style.height = (canvas.height * this.zoom) + 'px';
}
undo() {
if (this.undo_position == 0) {
return;
}
this.undo_position--;
this.parse(this.undo_stack[this.undo_position]);
}
redo() {
if (this.undo_position == this.undo_stack.length-1) {
return;
}
this.undo_position++;
this.parse(this.undo_stack[this.undo_position]);
}
parse(json) {
let defs = JSON.parse(json);
this.append_to_undo_stack = false;
// Delete all textures
this.$('#texture-collection').innerHTML = '';
this.textures = [];
// ... and recreate them!
for (let def of defs) {
this.addTexture();
this.setTextureDef(def);
}
this.append_to_undo_stack = true;
}
parseUserInput() {
this.parse(this.$('#result').value);
}
update() {
// Update the texture def
this.current_texture.def = this.$$('.def').map((e) => {
if (e.classList.contains('color')) {
let color = this.$$('input', e)[0].value;
let alpha = this.$$('input', e)[1].value;
if (alpha == '0') {
return 0;
}
return (
(Math.round(parseInt(color.substr(1, 2),16)>>4) << 12) +
(Math.round(parseInt(color.substr(3, 2),16)>>4) << 8) +
(Math.round(parseInt(color.substr(5, 2),16)>>4) << 4) +
(Math.round(parseInt(alpha)))
);
}
else if (e.type === 'text') {
return e.value;
}
else {
return parseFloat(e.value);
}
});
// Update all defs
let defs = [];
for (let t in this.textures) {
defs.push(this.textures[t].def);
}
let def_string = JSON.stringify(defs);
this.$('#result').value = def_string;
this.$('#share').href = '#'+btoa(unescape(encodeURIComponent(def_string)));
this.$('#num-bytes').textContent = def_string.length;
// Render
let rendered = ttt(defs, this.textures.indexOf(this.current_texture))[0];
// Draw into main canvas
let main_canvas = this.$('#canvas');
main_canvas.width = rendered.width;
main_canvas.height = rendered.height;
let main_ctx = main_canvas.getContext('2d');
main_ctx.drawImage(rendered, 0, 0);
// Draw into preview
let preview_canvas = this.$('canvas', this.current_texture.div);
preview_canvas.width = rendered.width;
preview_canvas.height = rendered.height;
let preview_ctx = preview_canvas.getContext('2d');
preview_ctx.drawImage(rendered, 0, 0);
this.setZoom(this.zoom);
if (
this.append_to_undo_stack &&
(
!this.undo_stack.length ||
this.undo_stack[this.undo_stack.length-1] !== def_string
)
) {
// Only add an entry to the undo stack at most every 5 seconds
clearTimeout(this.append_undo_stack_timeout);
this.append_undo_stack_timeout = setTimeout(()=> {
this.undo_position = this.undo_stack.length;
this.undo_stack.push(def_string);
}, 1000);
}
}
$(selector, context) {
return (context||document).querySelector(selector);
}
$$(selector, context) {
return [...(context||document).querySelectorAll(selector)];
}
};
TTTE.Number = (value, min=-Infinity, max=Infinity) => ({type: 'number', value, min, max});
TTTE.Color = (color, alpha) => ({type: 'color', color, alpha});
TTTE.Array = (def, value) => ({type: 'array', def, value});
TTTE.Text = (value) => ({type: 'text', value});
TTTE.Operations = {
// 0
"Rectangle w. inset/emboss": {
"x/y": [
TTTE.Number(0),
TTTE.Number(0),
],
"width/height": [
TTTE.Number(16),
TTTE.Number(16),
],
"top color": TTTE.Color('#ffffff', 8),
"bottom color": TTTE.Color('#000000', 8),
"fill color": TTTE.Color('#cccccc', 15),
},
// 1
"Grid w. inset/emboss": {
"start x/y": [
TTTE.Number(0),
TTTE.Number(0),
],
"width/height": [
TTTE.Number(4),
TTTE.Number(4),
],
"inc x/y": [
TTTE.Number(6 ,1),
TTTE.Number(6, 1),
],
"top color": TTTE.Color('#ffffff', 8),
"bottom color": TTTE.Color('#000000', 8),
"fill color": TTTE.Color('#cccccc', 15),
},
// 2
"Noise": {
"color": TTTE.Color('#cccccc', 4),
"size": TTTE.Number(1, 1)
},
// 3
"Text": {
"x/y": [
TTTE.Number(0),
TTTE.Number(10),
],
color: TTTE.Color('#ffffff', 15),
"font/size": [
TTTE.Array(['sans-serif', 'serif'], 0),
TTTE.Number(12),
],
text: TTTE.Text('HI!'),
},
// 4
"Draw previous texture": {
"texture index": TTTE.Number(0, 0),
"x/y": [
TTTE.Number(0),
TTTE.Number(0),
],
"width/height": [
TTTE.Number(32),
TTTE.Number(32),
],
"alpha": TTTE.Number(15, 0, 15),
},
};
let ttte = new TTTE();
</script>
</body>
</html>