Method measure

src/LGraphNode.ts:1883–1904

* Internal method to measure the node for rendering. Prefer boundingRect where possible. * * Populates out with the results in graph space. * Populates _collapsed_width with the collapsed width if the node is collapsed. * Adjusts for title and collapsed status, b

(out: Rect, ctx: CanvasRenderingContext2D)

   * @param ctx The canvas context to use for measuring text.
   */
  measure(out: Rect, ctx: CanvasRenderingContext2D): void {
    const titleMode = this.title_mode
    const renderTitle =
      titleMode != TitleMode.TRANSPARENT_TITLE &&
      titleMode != TitleMode.NO_TITLE
    const titleHeight = renderTitle ? LiteGraph.NODE_TITLE_HEIGHT : 0

    out[0] = this.pos[0]
    out[1] = this.pos[1] + -titleHeight
    if (!this.flags?.collapsed) {
      out[2] = this.size[0]
      out[3] = this.size[1] + titleHeight
    } else {
      ctx.font = this.innerFontStyle
      this._collapsed_width = Math.min(
        this.size[0],
        ctx.measureText(this.getTitle() ?? "").width + LiteGraph.NODE_TITLE_HEIGHT * 2,
      )
      out[2] = (this._collapsed_width || LiteGraph.NODE_COLLAPSED_WIDTH)
      out[3] = LiteGraph.NODE_TITLE_HEIGHT
    }
  }

  /**
   * returns the bounding of the object, used for rendering purposes