398 lines
13 KiB
JavaScript
398 lines
13 KiB
JavaScript
import { app } from "../../scripts/app.js";
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import { api } from "../../scripts/api.js";
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// Image Gate (Manual Router) — pauses a running prompt, shows the image with N
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// labeled route buttons + an Edit-mask + a Stop button, and routes the image down
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// the clicked output (others ExecutionBlocker-ed server-side). The Python node
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// blocks in run() on GateBus.wait(); this extension renders the preview that the
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// server pushes via the "datasete-gate-show" socket event and POSTs the choice.
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const NODE = "ImageGate";
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const MAX_ROUTES = 10;
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const R = "/datasete_gate";
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const PREVIEW_IMG_H = 240; // fixed image area (object-fit:contain)
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const BTN_ROW_H = 64; // buttons area (route buttons wrap + mask/stop)
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const MARGIN = 10; // ComfyUI DOM-widget inset, matches the pool node
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// ---- routes widget + label store -------------------------------------------
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function routesWidget(node) {
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return node.widgets?.find((w) => w.name === "routes");
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}
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function getRouteCount(node) {
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let n = parseInt(routesWidget(node)?.value ?? 2, 10);
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if (isNaN(n)) n = 2;
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return Math.max(1, Math.min(MAX_ROUTES, n));
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}
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// Labels live in node.properties (litegraph serializes properties for free, so
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// they survive reload without a fake serializing widget — route_labels is not a
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// backend input, so we must NOT push it into widgets_values).
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function labelStore(node) {
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if (!Array.isArray(node.properties.routeLabels)) node.properties.routeLabels = [];
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return node.properties.routeLabels;
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}
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function labelFor(node, route) { // route is 1-based
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const v = labelStore(node)[route - 1];
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return (v != null && String(v).trim()) || String(route);
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}
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function setRouteLabel(node, route, text) {
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labelStore(node)[route - 1] = text;
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applyOutputLabels(node);
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if (node._gateActive) renderButtons(node); // live-update visible buttons
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node.setDirtyCanvas?.(true, true);
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}
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// ---- dynamic route outputs --------------------------------------------------
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// Slot 0 is the always-visible `mask` output; slots 1..N are route_1..route_N.
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// We only ever add/remove from the TAIL so existing slot indices (and the
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// backend's index→RETURN_TYPES mapping) stay stable and connections are kept.
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function applyOutputLabels(node) {
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for (let i = 1; i < node.outputs.length; i++) {
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node.outputs[i].label = labelFor(node, i);
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}
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}
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function applyRouteCount(node, n) {
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if (!node.outputs || node.outputs.length === 0) return;
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let cur = node.outputs.length - 1; // current route outputs
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while (cur < n) { node.addOutput(`route_${cur + 1}`, "IMAGE"); cur++; }
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while (cur > n) { node.removeOutput(node.outputs.length - 1); cur--; }
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applyOutputLabels(node);
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node.setDirtyCanvas?.(true, true);
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}
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// ---- server calls -----------------------------------------------------------
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async function postChoice(node, message) {
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const fd = new FormData();
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fd.append("id", String(node.id));
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fd.append("message", String(message));
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await api.fetchApi(`${R}/choice`, { method: "POST", body: fd });
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}
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async function postMask(node, blob) {
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const fd = new FormData();
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fd.append("id", String(node.id));
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fd.append("mask", blob, "mask.png");
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await api.fetchApi(`${R}/mask`, { method: "POST", body: fd });
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}
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// ---- preview DOM widget -----------------------------------------------------
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function previewHeight(node) {
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return node._gateActive ? 2 * MARGIN + PREVIEW_IMG_H + BTN_ROW_H : 0;
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}
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function resizePreview(node) {
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if (node._previewWidget) node._previewWidget.computedHeight = previewHeight(node);
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const w = node.size?.[0] || 220;
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node.setSize([w, node.computeSize()[1]]);
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node.setDirtyCanvas(true, true);
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}
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function renderButtons(node) {
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const { btns } = node._gate;
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btns.innerHTML = "";
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const routes = node._gateRoutes || getRouteCount(node);
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for (let i = 1; i <= routes; i++) {
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const b = document.createElement("button");
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b.className = "dgate-route";
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b.textContent = labelFor(node, i);
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b.onclick = async () => { await postChoice(node, i); hidePreview(node); };
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btns.appendChild(b);
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}
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const edit = document.createElement("button");
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edit.className = "dgate-edit";
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edit.textContent = "🖌 Edit mask";
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edit.onclick = () => openMaskEditor(node);
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btns.appendChild(edit);
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const stop = document.createElement("button");
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stop.className = "dgate-stop";
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stop.textContent = "■ Stop";
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stop.onclick = async () => { await postChoice(node, "__cancel__"); hidePreview(node); };
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btns.appendChild(stop);
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}
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function showPreview(node, b64, routes) {
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node._gateActive = true;
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node._gateRoutes = Math.max(1, Math.min(MAX_ROUTES, parseInt(routes, 10) || getRouteCount(node)));
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node._previewB64 = b64;
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node._gate.img.src = `data:image/png;base64,${b64}`;
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renderButtons(node);
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resizePreview(node);
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}
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function hidePreview(node) {
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node._gateActive = false;
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node._previewB64 = null;
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if (node._gate) {
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node._gate.img.removeAttribute("src");
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node._gate.btns.innerHTML = "";
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}
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resizePreview(node);
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}
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// ---- mask editor (reuses ComfyUI MaskEditor, like the pool node) ------------
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// The preview arrives as base64 (no server file), so upload it to input/ first,
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// point the MaskEditor at it, then poll node.images for the saved clipspace ref.
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function b64ToBlob(b64, type) {
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const bin = atob(b64);
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const arr = new Uint8Array(bin.length);
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for (let i = 0; i < bin.length; i++) arr[i] = bin.charCodeAt(i);
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return new Blob([arr], { type });
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}
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function blobToImage(blob) {
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return new Promise((resolve, reject) => {
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const img = new Image();
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img.onload = () => resolve(img);
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img.onerror = reject;
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img.src = URL.createObjectURL(blob);
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});
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}
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function comfyAppClass() {
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try { return app.constructor; } catch (e) { return null; }
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}
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// MaskEditor registers the painted image as this node's output; clear those
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// stores so nothing repopulates node.imgs (we draw our own preview).
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function clearNodeOutputs(node) {
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try {
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for (const map of [app.nodeOutputs, app.nodePreviewImages]) {
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if (!map) continue;
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for (const k of Object.keys(map)) {
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if (k === String(node.id) || k.endsWith(`:${node.id}`)) delete map[k];
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}
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}
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} catch (e) { /* best effort */ }
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}
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function cleanupMaskState(node) {
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if (node._maskPoll) { clearInterval(node._maskPoll); node._maskPoll = null; }
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node._maskActive = false;
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try {
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node.images = undefined;
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node.previewMediaType = undefined;
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} catch (e) { /* best effort */ }
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clearNodeOutputs(node);
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node.setDirtyCanvas?.(true, true);
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}
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async function uploadPreview(node) {
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const blob = b64ToBlob(node._previewB64, "image/png");
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const fd = new FormData();
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fd.append("image", blob, `gate_${node.id}.png`);
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fd.append("subfolder", "datasete_gate");
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fd.append("type", "input");
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fd.append("overwrite", "true");
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const res = await api.fetchApi("/upload/image", { method: "POST", body: fd });
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const j = await res.json();
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return { filename: j.name, subfolder: j.subfolder || "datasete_gate", type: j.type || "input" };
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}
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async function captureMask(node, ref) {
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try {
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const sub = ref.subfolder ?? "clipspace";
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const type = ref.type ?? "input";
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const url = `/view?filename=${encodeURIComponent(ref.filename)}&subfolder=${encodeURIComponent(sub)}&type=${encodeURIComponent(type)}&r=${Date.now()}`;
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const resp = await api.fetchApi(url);
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const blob = await resp.blob();
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const img = await blobToImage(blob);
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const c = document.createElement("canvas");
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c.width = img.naturalWidth || img.width;
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c.height = img.naturalHeight || img.height;
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const ctx = c.getContext("2d");
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ctx.drawImage(img, 0, 0);
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const d = ctx.getImageData(0, 0, c.width, c.height);
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const px = d.data;
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// MaskEditor stores the mask in the ALPHA channel; painted areas come through
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// as alpha 0, so invert (255 - a) into grayscale -> white = painted (MASK).
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for (let i = 0; i < px.length; i += 4) {
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const a = px[i + 3];
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px[i] = px[i + 1] = px[i + 2] = 255 - a;
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px[i + 3] = 255;
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}
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ctx.putImageData(d, 0, 0);
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const maskBlob = await new Promise((res) => c.toBlob(res, "image/png"));
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await postMask(node, maskBlob);
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} catch (e) {
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console.error("[dgate] mask capture failed", e);
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} finally {
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cleanupMaskState(node);
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}
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}
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async function openMaskEditor(node) {
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if (!node._previewB64) return;
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cleanupMaskState(node);
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let ref;
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try {
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ref = await uploadPreview(node);
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} catch (e) {
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console.error("[dgate] preview upload failed", e);
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return;
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}
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node.images = [ref];
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node.previewMediaType = "image";
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node.imageIndex = 0;
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node._maskActive = true;
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const Comfy = comfyAppClass();
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try { if (Comfy) Comfy.clipspace_return_node = node; } catch (e) { /* ignore */ }
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// No save callback in frontend 1.45 — poll for the editor writing clipspace.
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let waited = 0;
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node._maskPoll = setInterval(() => {
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waited += 300;
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const r = node.images && node.images[0];
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if (node._maskActive && r && r.subfolder === "clipspace") {
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clearInterval(node._maskPoll); node._maskPoll = null;
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captureMask(node, r);
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} else if (waited > 10 * 60 * 1000) {
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cleanupMaskState(node);
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}
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}, 300);
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try { app.canvas?.selectNode?.(node); } catch (e) { /* ignore */ }
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const cmd = app.extensionManager?.command;
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if (cmd?.execute) {
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cmd.execute("Comfy.MaskEditor.OpenMaskEditor");
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} else if (Comfy?.open_maskeditor) {
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Comfy.open_maskeditor();
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} else {
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console.error("[dgate] no MaskEditor entry point found");
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cleanupMaskState(node);
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}
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}
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// ---- styles + node setup ----------------------------------------------------
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function injectStyles() {
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if (document.getElementById("dgate-styles")) return;
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const css = `
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.dgate-wrap { display:flex; flex-direction:column; gap:6px; box-sizing:border-box;
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height:100%; min-height:0; }
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.dgate-img { width:100%; height:${PREVIEW_IMG_H}px; object-fit:contain; display:block;
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background:rgba(0,0,0,0.25); border-radius:4px; }
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.dgate-btns { display:flex; flex-wrap:wrap; gap:6px; align-items:center; }
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.dgate-btns button { font-size:12px; padding:3px 10px; cursor:pointer; border-radius:3px;
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border:1px solid #555; color:#fff; }
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.dgate-route { background:rgba(40,90,140,0.9); }
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.dgate-route:hover { background:rgba(60,120,180,0.95); }
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.dgate-edit { background:rgba(40,40,40,0.9); margin-left:auto; }
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.dgate-stop { background:rgba(160,40,40,0.9); }
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`;
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const style = document.createElement("style");
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style.id = "dgate-styles";
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style.textContent = css;
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document.head.appendChild(style);
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}
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function setupGateNode(node) {
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injectStyles();
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// Never let the MaskEditor's source image render as an output preview on us —
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// we draw the preview ourselves in the DOM widget below.
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try {
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Object.defineProperty(node, "imgs", {
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configurable: true,
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get() { return undefined; },
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set() { /* suppress */ },
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});
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} catch (e) { /* ignore */ }
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const wrap = document.createElement("div");
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wrap.className = "dgate-wrap";
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const img = document.createElement("img");
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img.className = "dgate-img";
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const btns = document.createElement("div");
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btns.className = "dgate-btns";
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wrap.appendChild(img);
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wrap.appendChild(btns);
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node._gate = { wrap, img, btns };
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node._previewWidget = node.addDOMWidget("gate_preview", "div", wrap, {
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serialize: false,
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getMinHeight: () => previewHeight(node),
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});
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// sync visible route outputs to the routes widget, now and on change
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applyRouteCount(node, getRouteCount(node));
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const rw = routesWidget(node);
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if (rw) {
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const prev = rw.callback;
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rw.callback = function () {
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const r = prev?.apply(this, arguments);
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applyRouteCount(node, getRouteCount(node));
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return r;
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};
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}
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node._gateActive = false;
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resizePreview(node);
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}
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app.registerExtension({
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name: "datasete.gates.imagegate",
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// one global socket listener: route the server's pause event to the node
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setup() {
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api.addEventListener("datasete-gate-show", (e) => {
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const d = e.detail || {};
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const node = app.graph?.getNodeById?.(parseInt(d.id, 10));
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if (!node || node.type !== NODE) return;
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showPreview(node, d.image, d.routes);
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});
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},
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async beforeRegisterNodeDef(nodeType, nodeData) {
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if (nodeData.name !== NODE) return;
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const onNodeCreated = nodeType.prototype.onNodeCreated;
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nodeType.prototype.onNodeCreated = function () {
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const r = onNodeCreated?.apply(this, arguments);
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setupGateNode(this);
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return r;
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};
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// loaded workflows restore the routes widget + properties after create —
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// re-sync output count/labels to match.
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const onConfigure = nodeType.prototype.onConfigure;
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nodeType.prototype.onConfigure = function () {
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const r = onConfigure?.apply(this, arguments);
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if (this.outputs) {
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applyRouteCount(this, getRouteCount(this));
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}
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return r;
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};
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// per-route "Rename…" entries (editable labels, persisted in properties)
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const getExtraMenuOptions = nodeType.prototype.getExtraMenuOptions;
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nodeType.prototype.getExtraMenuOptions = function (canvas, options) {
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const r = getExtraMenuOptions?.apply(this, arguments);
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const node = this;
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const routes = getRouteCount(node);
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for (let i = 1; i <= routes; i++) {
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options.push({
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content: `Rename route ${i} (“${labelFor(node, i)}”)…`,
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callback: () => {
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const text = prompt(`Label for route ${i}:`, labelFor(node, i));
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if (text != null) setRouteLabel(node, i, text);
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},
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});
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}
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return r;
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};
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},
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});
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