mirror of
https://github.com/comfyanonymous/ComfyUI.git
synced 2026-02-10 21:42:37 +08:00
281 lines
8.3 KiB
JavaScript
281 lines
8.3 KiB
JavaScript
import { app } from "/scripts/app.js";
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import { ComfyDialog, $el } from "/scripts/ui.js";
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import { ComfyApp } from "/scripts/app.js";
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// Helper function to convert a data URL to a Blob object
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function dataURLToBlob(dataURL) {
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const parts = dataURL.split(';base64,');
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const contentType = parts[0].split(':')[1];
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const byteString = atob(parts[1]);
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const arrayBuffer = new ArrayBuffer(byteString.length);
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const uint8Array = new Uint8Array(arrayBuffer);
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for (let i = 0; i < byteString.length; i++) {
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uint8Array[i] = byteString.charCodeAt(i);
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}
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return new Blob([arrayBuffer], { type: contentType });
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}
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async function invalidateImage(filepath, formData) {
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await fetch('/upload/image', {
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method: 'POST',
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body: formData
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}).then(response => {}).catch(error => {
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console.error('Error:', error);
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});
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ComfyApp.clipspace.imgs[0] = new Image();
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ComfyApp.clipspace.imgs[0].src = `view?filename=${filepath.filename}&type=${filepath.type}`;
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}
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class ClipspaceDialog extends ComfyDialog {
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constructor() {
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super();
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this.element = $el("div.comfy-modal", { parent: document.body },
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[
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$el("div.comfy-modal-content",
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[
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...this.createButtons()]),
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]);
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}
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createButtons() {
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return [
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$el("button", {
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type: "button",
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textContent: "Save",
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onclick: () => {
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const backupCtx = this.backupCanvas.getContext('2d', {transparent: true});
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backupCtx.clearRect(0,0,this.backupCanvas.width,this.backupCanvas.height);
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backupCtx.drawImage(this.maskCanvas,
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0, 0, this.maskCanvas.width, this.maskCanvas.height,
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0, 0, this.backupCanvas.width, this.backupCanvas.height);
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// paste mask data into alpha channel
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const backupData = backupCtx.getImageData(0, 0, this.backupCanvas.width, this.backupCanvas.height);
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for (let i = 0; i < backupData.data.length; i += 4) {
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if(backupData.data[i+3] == 255)
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backupData.data[i+3] = 0;
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else
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backupData.data[i+3] = 255;
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backupData.data[i] = 0;
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backupData.data[i+1] = 0;
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backupData.data[i+2] = 0;
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}
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backupCtx.globalCompositeOperation = 'source-over';
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backupCtx.putImageData(backupData, 0, 0);
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const dataURL = this.backupCanvas.toDataURL();
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const blob = dataURLToBlob(dataURL);
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/*
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// copy image data
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backupCtx.globalCompositeOperation = 'copy';
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backupCtx.globalAlpha = 1.0;
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backupCtx.drawImage(this.image, 0, 0);
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backupCtx.globalCompositeOperation = 'source-over';
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const backupData2 = backupCtx.getImageData(0, 0, this.backupCanvas.width, this.backupCanvas.height);
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// restore alpha channel
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var cnt_r = 0;
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for (let i = 0; i < backupData2.data.length; i += 4) {
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if(backupData2.data[i] == 0) {
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cnt_r++;
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}
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backupData2.data[i + 3] = backupData.data[i + 3];
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}
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// I don't know why RGB channel is effected by this code....
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backupCtx.putImageData(backupData2, 0, 0);
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const dataURL2 = this.backupCanvas.toDataURL();
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const blob2 = dataURLToBlob(dataURL2);
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*/
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const formData = new FormData();
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const filename = "clipspace-mask-" + performance.now() + ".png";
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const item =
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{
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"filename": filename,
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"subfolder": "",
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"type": "temp",
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};
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console.log(ComfyApp.clipspace);
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if(ComfyApp.clipspace.images)
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ComfyApp.clipspace.images[0] = item;
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if(ComfyApp.clipspace.widgets) {
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const index = ComfyApp.clipspace.widgets.findIndex(obj => obj.name === 'image');
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console.log(index);
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ComfyApp.clipspace.widgets[index].value = item;
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}
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formData.append('image', blob, filename);
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formData.append('type', "temp");
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invalidateImage(item, formData);
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this.close();
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}
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}),
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$el("button", {
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type: "button",
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textContent: "Cancel",
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onclick: () => this.close(),
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}),
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$el("button", {
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type: "button",
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textContent: "Clear",
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onclick: () => {
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this.maskCtx.clearRect(0, 0, this.maskCanvas.width, this.maskCanvas.height);
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},
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}),
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];
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}
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show() {
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const imgCanvas = document.createElement('canvas');
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const maskCanvas = document.createElement('canvas');
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const backupCanvas = document.createElement('canvas');
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imgCanvas.id = "imageCanvas";
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maskCanvas.id = "maskCanvas";
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backupCanvas.id = "backupCanvas";
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this.element.appendChild(imgCanvas);
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this.element.appendChild(maskCanvas);
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this.element.style.display = "block";
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imgCanvas.style.position = "relative";
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imgCanvas.style.top = "200";
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imgCanvas.style.left = "0";
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maskCanvas.style.position = "absolute";
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const imgCtx = imgCanvas.getContext('2d');
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const maskCtx = maskCanvas.getContext('2d');
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const backupCtx = backupCanvas.getContext('2d');
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this.maskCanvas = maskCanvas;
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this.maskCtx = maskCtx;
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this.backupCanvas = backupCanvas;
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window.addEventListener("resize", () => {
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// repositioning
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imgCanvas.width = window.innerWidth - 250;
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imgCanvas.height = window.innerHeight - 300;
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// redraw image
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let drawWidth = image.width;
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let drawHeight = image.height;
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if (image.width > imgCanvas.width) {
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drawWidth = imgCanvas.width;
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drawHeight = (drawWidth / image.width) * image.height;
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}
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if (drawHeight > imgCanvas.height) {
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drawHeight = imgCanvas.height;
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drawWidth = (drawHeight / image.height) * image.width;
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}
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imgCtx.drawImage(image, 0, 0, drawWidth, drawHeight);
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// update mask
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backupCtx.drawImage(maskCanvas, 0, 0, maskCanvas.width, maskCanvas.height, 0, 0, backupCanvas.width, backupCanvas.height);
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maskCanvas.width = drawWidth;
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maskCanvas.height = drawHeight;
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maskCanvas.style.top = imgCanvas.offsetTop + "px";
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maskCanvas.style.left = imgCanvas.offsetLeft + "px";
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maskCtx.drawImage(backupCanvas, 0, 0, backupCanvas.width, backupCanvas.height, 0, 0, maskCanvas.width, maskCanvas.height);
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});
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// image load
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const image = new Image();
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image.onload = function() {
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backupCanvas.width = image.width;
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backupCanvas.height = image.height;
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window.dispatchEvent(new Event('resize'));
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};
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const filepath = ComfyApp.clipspace.images;
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console.log(ComfyApp.clipspace);
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console.log(ComfyApp.clipspace.imgs[0]);
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image.src = ComfyApp.clipspace.imgs[0].src;
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this.image = image;
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// event handler for user drawing ------
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let brush_size = 10;
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function draw_point(event) {
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const maskRect = maskCanvas.getBoundingClientRect();
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const x = event.offsetX || event.targetTouches[0].clientX - maskRect.left;
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const y = event.offsetY || event.targetTouches[0].clientY - maskRect.top;
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maskCtx.beginPath();
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maskCtx.fillStyle = "rgb(0,0,0)";
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maskCtx.globalCompositeOperation = "source-over";
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maskCtx.arc(x, y, brush_size, 0, Math.PI * 2, false);
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maskCtx.fill();
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}
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function draw_move(event) {
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if (event.buttons === 1) {
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event.preventDefault();
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const maskRect = maskCanvas.getBoundingClientRect();
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const x = event.offsetX || event.targetTouches[0].clientX - maskRect.left;
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const y = event.offsetY || event.targetTouches[0].clientY - maskRect.top;
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maskCtx.beginPath();
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maskCtx.fillStyle = "rgb(0,0,0)";
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maskCtx.globalCompositeOperation = "source-over";
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maskCtx.arc(x, y, brush_size, 0, Math.PI * 2, false);
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maskCtx.fill();
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}
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else if(event.buttons === 2) {
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event.preventDefault();
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const maskRect = maskCanvas.getBoundingClientRect();
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const x = event.offsetX || event.targetTouches[0].clientX - maskRect.left;
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const y = event.offsetY || event.targetTouches[0].clientY - maskRect.top;
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maskCtx.beginPath();
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maskCtx.globalCompositeOperation = "destination-out";
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maskCtx.arc(x, y, brush_size, 0, Math.PI * 2, false);
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maskCtx.fill();
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}
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}
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function handleWheelEvent(event) {
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if(event.deltaY < 0)
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brush_size = Math.min(brush_size+2, 100);
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else
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brush_size = Math.max(brush_size-2, 1);
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}
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maskCanvas.addEventListener("contextmenu", (event) => {
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event.preventDefault();
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});
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maskCanvas.addEventListener('wheel', handleWheelEvent);
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maskCanvas.addEventListener('mousedown', draw_point);
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maskCanvas.addEventListener('mousemove', draw_move);
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maskCanvas.addEventListener('touchmove', draw_move);
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}
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}
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app.registerExtension({
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name: "Comfy.Clipspace",
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init(app) {
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app.openClipspace =
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function () {
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let dlg = new ClipspaceDialog(app);
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if(ComfyApp.clipspace)
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dlg.show();
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else
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app.ui.dialog.show("Clipspace is Empty!");
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};
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}
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}); |