ComfyUI-KJNodes/web/js/spline_editor.js
2024-04-15 02:43:04 +03:00

378 lines
12 KiB
JavaScript

import { app } from '../../../scripts/app.js'
export const loadScript = (
FILE_URL,
async = true,
type = 'text/javascript',
) => {
return new Promise((resolve, reject) => {
try {
// Check if the script already exists
const existingScript = document.querySelector(`script[src="${FILE_URL}"]`)
if (existingScript) {
resolve({ status: true, message: 'Script already loaded' })
return
}
const scriptEle = document.createElement('script')
scriptEle.type = type
scriptEle.async = async
scriptEle.src = FILE_URL
scriptEle.addEventListener('load', (ev) => {
resolve({ status: true })
})
scriptEle.addEventListener('error', (ev) => {
reject({
status: false,
message: `Failed to load the script ${FILE_URL}`,
})
})
document.body.appendChild(scriptEle)
} catch (error) {
reject(error)
}
})
}
const create_documentation_stylesheet = () => {
const tag = 'kj-splineditor-stylesheet'
let styleTag = document.head.querySelector(tag)
if (!styleTag) {
styleTag = document.createElement('style')
styleTag.type = 'text/css'
styleTag.id = tag
styleTag.innerHTML = `
.spline-editor {
background: var(--comfy-menu-bg);
position: absolute;
color: var(--fg-color);
font: 12px monospace;
line-height: 1.5em;
padding: 10px;
z-index: 5;
overflow: hidden;
border-radius: 10px;
border-style: solid;
border-width: medium;
border-color: var(--border-color);
height: 512px;
width: 512px;
max-height: 100%;
/* Scrollbar styling for Chrome */
&::-webkit-scrollbar {
width: 6px;
}
&::-webkit-scrollbar-track {
background: var(--bg-color);
}
&::-webkit-scrollbar-thumb {
background-color: var(--fg-color);
border-radius: 6px;
border: 3px solid var(--bg-color);
}
/* Scrollbar styling for Firefox */
scrollbar-width: thin;
scrollbar-color: var(--fg-color) var(--bg-color);
a {
color: yellow;
}
a:visited {
color: orange;
}
a:hover {
color: red;
}
}
`
document.head.appendChild(styleTag)
}
}
loadScript('/kjweb_async/svg-path-properties.min.js').catch((e) => {
console.log(e)
})
class SplineEditorWidget {
constructor(inputName, defaultValue) {
//this.name = inputName || "Spline";
//this._value = defaultValue || [{ x: 0, y: 0 }];
this.type = "SPLINE";
//this.selectedPointIndex = null;
this.resize
}
computeSize(width) {
return [width, 300];
}
configure(data) {
console.log(data)
}
value() {
console.debug('Returning value', this._value)
return this._value
}
setValue(value) {
console.debug('Setting value', value)
this._value = value
}
}
app.registerExtension({
name: 'KJNodes.curves',
async beforeRegisterNodeDef(nodeType, nodeData) {
if (nodeData.name == 'SplineEditor') {
addElement(nodeData, nodeType);
}
},
// getCustomWidgets: function () {
// return {
// SPLINE: (node, inputName, inputData, app) => {
// console.log(inputName)
// console.log(inputData)
// console.log("Registering KJNodes curve widget");
// return {
// widget: node.addCustomWidget(
// new SplineEditorWidget(inputName, inputData[1]?.default)
// ),
// }
// }
// }
// }
})
export const addElement = (nodeData,nodeType, opts = { icon_size: 24, icon_margin: 4 }) => {
opts = opts || {}
const iconSize = opts.icon_size ? opts.icon_size : 14
const iconMargin = opts.icon_margin ? opts.icon_margin : 4
console.log("Creating spline editor")
let splineEditor = null
let vis = null
const drawFg = nodeType.prototype.onDrawForeground
nodeType.prototype.onNodeCreated = function () {
this.coordWidget = this.widgets.find(w => w.name === "coordinates");
}
nodeType.prototype.onDrawForeground = function (ctx) {
const r = drawFg ? drawFg.apply(this, arguments) : undefined
if (this.flags.collapsed) return r
const x = this.size[0] - iconSize - iconMargin
if (splineEditor === null) {
create_documentation_stylesheet()
splineEditor = document.createElement('div');
splineEditor.classList.add('spline-editor');
// close button
const closeButton = document.createElement('div');
closeButton.textContent = '❌';
closeButton.style.position = 'absolute';
closeButton.style.top = '0';
closeButton.style.right = '0';
closeButton.style.cursor = 'pointer';
closeButton.style.padding = '5px';
closeButton.style.color = 'red';
closeButton.style.fontSize = '12px';
closeButton.addEventListener('mousedown', (e) => {
e.stopPropagation();
this.show_doc = !this.show_doc
splineEditor.parentNode.removeChild(splineEditor)
splineEditor = null
});
splineEditor.appendChild(closeButton)
document.body.appendChild(splineEditor)
var w = 512
var h = 512
var i = 3
loadScript('/kjweb_async/protovis.min.js').then(() => {
console.log('Protovis loaded successfully');
var points = pv.range(1, 5).map(i => ({
x: i * w / 5,
y: 50 + Math.random() * (h - 100)
}));
var interpolate = "cardinal"
var segmented = false
vis = new pv.Panel()
.width(w)
.height(h)
.fillStyle("var(--comfy-menu-bg)")
//.strokeStyle("orange")
.lineWidth(0)
.antialias(false)
.margin(2)
.event("mousedown", function() {
i = points.push(this.mouse()) - 1;
return this;
});
vis.add(pv.Rule)
.data(pv.range(0, 8, .5))
.bottom(d => d * 70 + 9.5)
.strokeStyle("white")
.lineWidth(2)
vis.add(pv.Line)
.data(() => points)
.left(d => d.x)
.top(d => d.y)
.interpolate(() => interpolate)
.segmented(() => segmented)
.strokeStyle(pv.Colors.category10().by(pv.index))
.tension(0.5)
.lineWidth(3);
vis.add(pv.Dot)
.data(() => points)
.left(d => d.x)
.top(d => d.y)
.radius(7)
.cursor("move")
.strokeStyle(function() { return i == this.index ? "#ff7f0e" : "#1f77b4"; })
.fillStyle(function() { return "rgba(100, 100, 100, 0.2)"; })
//.anchor("center").add(pv.Label)
//.font(d => Math.sqrt(d[2]) * 20 + "px sans-serif")
// .text(d => d[2])
.event("mousedown", pv.Behavior.drag())
.event("dragstart", function() {
i = this.index;
return this;
})
.event("drag", vis)
pv.listen(window, "mousedown", () => {
window.focus();
//logPathLength();
});
pv.listen(window, "mouseup", () => {
//logPathLength();
if (svgPathElement !== null) {
let coords = samplePoints(svgPathElement, points.length);
let coordsString = JSON.stringify(coords);
if (this.coordWidget) this.coordWidget.value = coordsString;
}
});
pv.listen(window, "keydown", (e) => {
console.log("key code: " + e.keyCode)
// code 8 is backspace, code 46 is delete
if ((e.keyCode == 16 || e.keyCode == 46) && (i >= 0)) {
points.splice(i--, 1);
vis.render();
e.preventDefault();
}
})
vis.render();
var svgElement = vis.canvas();
var svgPathElement = document.querySelector('path');
splineEditor.appendChild(svgElement);
})
.catch((error) => {
console.error('Failed to load Protovis:', error);
});
}
if (this.show_doc && splineEditor !== null && vis !== null) {
const rect = ctx.canvas.getBoundingClientRect()
const scaleX = rect.width / ctx.canvas.width
const scaleY = rect.height / ctx.canvas.height
const transform = new DOMMatrix()
.scaleSelf(scaleX -0.05, scaleY -0.05)
.multiplySelf(ctx.getTransform())
.translateSelf(470, -10)
const scale = new DOMMatrix()
.scaleSelf(transform.a, transform.d);
const styleObject = {
transformOrigin: '0 0',
transform: scale,
left: `${transform.a + transform.e}px`,
top: `${transform.d + transform.f}px`,
};
Object.assign(splineEditor.style, styleObject);
//vis.render();
//logPathLength(svgPathElement);
}
ctx.save()
ctx.translate(x - 2, iconSize - 45)
ctx.scale(iconSize / 32, iconSize / 32)
ctx.strokeStyle = 'rgba(255,255,255,0.3)'
ctx.lineCap = 'round'
ctx.lineJoin = 'round'
ctx.lineWidth = 2.4
ctx.font = 'bold 36px monospace'
ctx.fillStyle = 'orange';
ctx.fillText('📈', 0, 24)
ctx.restore()
return r
}
// handle clicking of the icon
const mouseDown = nodeType.prototype.onMouseDown
nodeType.prototype.onMouseDown = function (e, localPos, canvas) {
const r = mouseDown ? mouseDown.apply(this, arguments) : undefined
const iconX = this.size[0] - iconSize - iconMargin
const iconY = iconSize - 45
if (
localPos[0] > iconX &&
localPos[0] < iconX + iconSize &&
localPos[1] > iconY &&
localPos[1] < iconY + iconSize
) {
if (this.show_doc === undefined) {
this.show_doc = true
} else {
this.show_doc = !this.show_doc
}
return true;
}
return r;
}
}
function logPathLength(svgPathElement) {
//var svgPathElement = document.querySelector('path');
// If the SVG path element exists, get the path string from the 'd' attribute
if (svgPathElement) {
var pathString = svgPathElement.getAttribute('d');
// Now, you can use the svg-path-properties library on this path string.
const properties = new svgPathProperties.svgPathProperties(pathString);
const length = properties.getTotalLength();
// ...and other properties as needed
console.log(length);
}
}
function samplePoints(svgPathElement, numSamples) {
var pathLength = svgPathElement.getTotalLength();
var points = [];
for (var i = 0; i < numSamples; i++) {
// Calculate the distance along the path for the current sample
var distance = (pathLength / (numSamples - 1)) * i;
// Get the point at the current distance
var point = svgPathElement.getPointAtLength(distance);
// Add the point to the array of points
points.push({ x: point.x, y: point.y });
}
//console.log(points);
return points;
}