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ellipsis 对 text 进行省略展示 */\n  action?: 'hide' | 'translate' | 'ellipsis';\n}\n\n/**\n * @ignore\n * 将 label 限制在 Plot 范围内，将超出 Plot 范围的 label 可选择进行隐藏或者移动位置\n * @param labels\n * @param cfg\n */\nexport function limitInPlot(\n  items: LabelItem[],\n  labels: IGroup[],\n  shapes: IShape[] | IGroup[],\n  region: BBox,\n  cfg?: LimitInPlotLayoutCfg\n) {\n  if (labels.length <= 0) {\n    return;\n  }\n  const direction = cfg?.direction || ['top', 'right', 'bottom', 'left'];\n  const action = cfg?.action || 'translate';\n  const margin = cfg?.margin || 0;\n  const coordinate = labels[0].get('coordinate');\n  if (!coordinate) {\n    return;\n  }\n  const {\n    minX: regionMinX,\n    minY: regionMinY,\n    maxX: regionMaxX,\n    maxY: regionMaxY,\n  } = getCoordinateBBox(coordinate, margin);\n\n  each(labels, (label: IGroup) => {\n    const { minX, minY, maxX, maxY, x, y, width, height } = label.getCanvasBBox();\n\n    let finalX = x;\n    let finalY = y;\n    if (direction.indexOf('left') >= 0 && (minX < regionMinX || maxX < regionMinX)) {\n      // 超出左侧\n      finalX = regionMinX;\n    }\n    if (direction.indexOf('top') >= 0 && (minY < regionMinY || maxY < regionMinY)) {\n      // 超出顶部\n      finalY = regionMinY;\n    }\n\n    if (direction.indexOf('right') >= 0) {\n      if (minX > regionMaxX) {\n        // 整体超出右侧\n        finalX = regionMaxX - width;\n      } else if (maxX > regionMaxX) {\n        // 超出右侧\n        finalX = finalX - (maxX - regionMaxX);\n      }\n    }\n\n    if (direction.indexOf('bottom') >= 0) {\n      if (minY > regionMaxY) {\n        // 整体超出底部\n        finalY = regionMaxY - height;\n      } else if (maxY > regionMaxY) {\n        // 超出底部\n        finalY = finalY - (maxY - regionMaxY);\n      }\n    }\n\n    if (finalX !== x || finalY !== y) {\n      const translateX = finalX - x;\n      if (action === 'translate') {\n        translate(label, translateX, finalY - y);\n      } else if (action === 'ellipsis') {\n        const textShapes = label.findAll((shape) => shape.get('type') === 'text');\n        textShapes.forEach((textShape) => {\n          const style = pick(textShape.attr(), ['fontSize', 'fontFamily', 'fontWeight', 'fontStyle', 'fontVariant']);\n          const textBox = textShape.getCanvasBBox();\n          const text = getEllipsisText(textShape.attr('text'), textBox.width - Math.abs(translateX), style);\n          textShape.attr('text', text);\n        });\n      } else {\n        label.hide();\n      }\n    }\n  });\n}\n"]}