Add MiniMax H3 spatial guides and position editor
This commit is contained in:
meareabc
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import { app } from "../../scripts/app.js";
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const DIMENSIONS = ["guide_width", "guide_height", "canvas_width", "canvas_height"];
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const HEIGHT = 290;
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function widget(node, name) {
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return node.widgets?.find((item) => item.name === name);
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}
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function inputValue(node, name, visited = new Set()) {
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if (visited.has(node)) return undefined;
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visited = new Set(visited).add(node);
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const slot = node.inputs?.findIndex((input) => input.name === name) ?? -1;
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if (slot < 0 || node.inputs[slot].link == null) return widget(node, name)?.value;
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const source = node.getInputNode(slot);
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const link = node.getInputLink(slot);
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if (!source || !link) return undefined;
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const type = source.comfyClass || source.type;
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if (type === "ComfySwitchNode") {
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const selected = inputValue(source, "switch", visited);
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return selected == null ? undefined : inputValue(source, selected ? "on_true" : "on_false", visited);
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}
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if (type === "Reroute") return inputValue(source, source.inputs[0].name, visited);
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if (["PrimitiveInt", "PrimitiveBoolean", "PrimitiveNode", "easy int"].includes(type)) {
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return inputValue(source, "value", visited);
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}
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return undefined;
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}
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function createPositionEditor(node) {
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const root = document.createElement("div");
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root.className = "h3-guide-position";
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root.style.cssText = "width:100%;height:290px;display:flex;flex-direction:column;gap:6px;box-sizing:border-box;padding:6px;color:#dce5ef;font:12px sans-serif;";
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const canvas = document.createElement("canvas");
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canvas.style.cssText = "width:100%;height:218px;flex:1;min-height:100px;border:1px solid #435066;border-radius:5px;box-sizing:border-box;touch-action:none;cursor:grab;";
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canvas.setAttribute("aria-label", "Drag guide position / 拖动参考区域");
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const row = document.createElement("div");
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row.style.cssText = "display:flex;gap:6px;align-items:center;";
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const status = document.createElement("div");
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status.style.cssText = "white-space:nowrap;font-size:11px;color:#a9b8cb;min-height:14px;";
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const coordinates = document.createElement("span");
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coordinates.style.marginLeft = "auto";
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const context = canvas.getContext("2d");
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let view;
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let drag;
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let liveKey;
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let frame;
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let removed = false;
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function dimensions() {
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const values = DIMENSIONS.map((name, index) => {
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const linked = inputValue(node, name);
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const stored = node.properties?.h3GuideSize?.[index];
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return Number(linked ?? stored ?? widget(node, name)?.value);
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});
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return values.every((value) => Number.isFinite(value) && value > 0) ? values : null;
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}
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function position() {
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return [Number(widget(node, "x").value), Number(widget(node, "y").value)];
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}
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function setPosition(x, y) {
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for (const [name, value] of [["x", x], ["y", y]]) {
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const target = widget(node, name);
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target.value = Math.max(target.options?.min ?? -16384, Math.min(target.options?.max ?? 16384, Math.round(value)));
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target.callback?.(target.value);
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}
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node.graph?.setDirtyCanvas(true, true);
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draw();
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}
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function draw() {
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if (removed) return;
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const bounds = canvas.getBoundingClientRect();
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if (!bounds.width || !bounds.height) return;
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const dpr = window.devicePixelRatio || 1;
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const width = Math.round(bounds.width * dpr);
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const height = Math.round(bounds.height * dpr);
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if (canvas.width !== width || canvas.height !== height) {
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canvas.width = width;
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canvas.height = height;
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}
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context.setTransform(dpr, 0, 0, dpr, 0, 0);
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context.fillStyle = "#111923";
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context.fillRect(0, 0, bounds.width, bounds.height);
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const sizes = dimensions();
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if (!sizes) {
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status.textContent = "请填写参考宽高和画布宽高 / Enter dimensions";
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return;
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}
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const [gw, gh, cw, ch] = sizes;
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const [x, y] = position();
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if (!drag) {
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const left = Math.min(0, x), top = Math.min(0, y);
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const right = Math.max(cw, x + gw), bottom = Math.max(ch, y + gh);
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const scale = Math.min((bounds.width - 36) / (right - left), (bounds.height - 36) / (bottom - top));
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view = { scale, ox: (bounds.width - (right - left) * scale) / 2 - left * scale,
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oy: (bounds.height - (bottom - top) * scale) / 2 - top * scale };
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}
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const { scale, ox, oy } = view;
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context.fillStyle = "#233247";
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context.fillRect(ox, oy, cw * scale, ch * scale);
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context.strokeStyle = "#7d8fa8";
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context.lineWidth = 1;
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context.strokeRect(ox, oy, cw * scale, ch * scale);
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context.save();
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context.beginPath();
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context.rect(ox, oy, cw * scale, ch * scale);
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context.clip();
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context.strokeStyle = "#384b62";
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for (let i = 1; i < 3; i++) {
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context.beginPath();
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context.moveTo(ox + cw * scale * i / 3, oy);
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context.lineTo(ox + cw * scale * i / 3, oy + ch * scale);
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context.moveTo(ox, oy + ch * scale * i / 3);
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context.lineTo(ox + cw * scale, oy + ch * scale * i / 3);
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context.stroke();
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}
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context.restore();
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context.fillStyle = "rgba(64, 164, 217, 0.35)";
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context.fillRect(ox + x * scale, oy + y * scale, gw * scale, gh * scale);
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context.strokeStyle = "#65d5ff";
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context.lineWidth = 2;
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context.strokeRect(ox + x * scale, oy + y * scale, gw * scale, gh * scale);
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context.fillStyle = "#d2f5ff";
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context.font = "12px sans-serif";
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context.textAlign = "center";
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context.fillText("Guide", ox + (x + gw / 2) * scale, oy + (y + gh / 2) * scale + 4);
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coordinates.textContent = `x ${x} · y ${y}`;
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const unresolved = DIMENSIONS.some((name) => inputValue(node, name) == null);
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status.textContent = `Guide ${gw}×${gh} → ${cw}×${ch}${unresolved ? " · 连线尺寸运行后同步" : ""}`;
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}
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function button(label, action) {
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const element = document.createElement("button");
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element.type = "button";
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element.textContent = label;
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element.style.cssText = "background:#26364b;color:#e1efff;border:1px solid #506783;border-radius:4px;padding:4px 8px;cursor:pointer;";
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element.addEventListener("click", () => {
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const sizes = dimensions();
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if (!sizes) return;
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node.graph?.beforeChange();
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action(sizes);
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node.graph?.afterChange();
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});
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row.appendChild(element);
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}
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button("居中 / Center", ([gw, gh, cw, ch]) => setPosition((cw - gw) / 2, (ch - gh) / 2));
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button("左上 / Origin", () => setPosition(0, 0));
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row.appendChild(coordinates);
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root.append(canvas, row, status);
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root.title = "拖动蓝框调整左上角坐标；按住 Shift 以 32 像素对齐。";
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for (const type of ["pointerdown", "pointerup", "mousedown", "mouseup", "click", "dblclick"]) {
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root.addEventListener(type, (event) => event.stopPropagation());
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}
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canvas.addEventListener("pointerdown", (event) => {
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if (event.button !== 0 || !view || !dimensions()) return;
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const bounds = canvas.getBoundingClientRect();
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const [x, y] = position();
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const [gw, gh] = dimensions();
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const px = (event.clientX - bounds.left - view.ox) / view.scale;
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const py = (event.clientY - bounds.top - view.oy) / view.scale;
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if (px < x || py < y || px > x + gw || py > y + gh) return;
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event.preventDefault();
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node.graph?.beforeChange();
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drag = { id: event.pointerId, x, y, px: event.clientX, py: event.clientY };
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canvas.setPointerCapture(event.pointerId);
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canvas.style.cursor = "grabbing";
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});
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canvas.addEventListener("pointermove", (event) => {
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if (!drag || event.pointerId !== drag.id) return;
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const step = event.shiftKey ? 32 : 1;
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setPosition(Math.round((drag.x + (event.clientX - drag.px) / view.scale) / step) * step,
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Math.round((drag.y + (event.clientY - drag.py) / view.scale) / step) * step);
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});
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function endDrag() {
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if (!drag) return;
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drag = null;
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canvas.style.cursor = "grab";
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node.graph?.afterChange();
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draw();
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}
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canvas.addEventListener("lostpointercapture", endDrag);
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canvas.addEventListener("pointerup", endDrag);
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canvas.addEventListener("pointercancel", endDrag);
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const domWidget = node.addDOMWidget("guide_position_preview", "div", root, {
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serialize: false, hideOnZoom: false,
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getMinHeight: () => HEIGHT, getMaxHeight: () => HEIGHT, getHeight: () => HEIGHT,
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});
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domWidget.computeSize = (width) => [width, HEIGHT];
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const observer = new ResizeObserver(draw);
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observer.observe(canvas);
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for (const name of [...DIMENSIONS, "x", "y"]) {
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const target = widget(node, name);
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const original = target.callback;
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target.callback = function (...args) {
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const result = original?.apply(this, args);
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draw();
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return result;
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};
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}
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// Linked primitives may change without calling this node's widget callbacks.
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function refresh() {
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if (removed) return;
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const bounds = canvas.getBoundingClientRect();
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const key = JSON.stringify([dimensions(), position(), bounds.width, bounds.height]);
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if (key !== liveKey) {
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liveKey = key;
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draw();
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}
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frame = requestAnimationFrame(refresh);
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}
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frame = requestAnimationFrame(refresh);
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node.setSize([Math.max(node.size[0], 390), Math.max(node.size[1], node.computeSize()[1])]);
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return {
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draw,
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remove() {
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removed = true;
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cancelAnimationFrame(frame);
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observer.disconnect();
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},
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};
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}
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app.registerExtension({
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name: "MiniMaxH3.SpatialGuidePosition",
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async beforeRegisterNodeDef(nodeType, nodeData) {
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if (nodeData.name !== "MiniMaxH3GuidePosition") return;
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const created = nodeType.prototype.onNodeCreated;
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nodeType.prototype.onNodeCreated = function (...args) {
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const result = created?.apply(this, args);
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this.h3PositionEditor = createPositionEditor(this);
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return result;
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};
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const configured = nodeType.prototype.onConfigure;
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nodeType.prototype.onConfigure = function (...args) {
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const result = configured?.apply(this, args);
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requestAnimationFrame(() => this.h3PositionEditor?.draw());
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return result;
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};
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const executed = nodeType.prototype.onExecuted;
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nodeType.prototype.onExecuted = function (message, ...args) {
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const result = executed?.call(this, message, ...args);
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if (message.guide_size && message.canvas_size) {
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this.properties ??= {};
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this.properties.h3GuideSize = [...message.guide_size, ...message.canvas_size];
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this.h3PositionEditor?.draw();
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}
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return result;
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};
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const removed = nodeType.prototype.onRemoved;
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nodeType.prototype.onRemoved = function (...args) {
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this.h3PositionEditor?.remove();
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return removed?.apply(this, args);
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};
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},
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});
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