fabric/dist-extensions/aligning_guidelines/util/collect-point.mjs.map

Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas.

{"version":3,"file":"collect-point.mjs","sources":["../../../extensions/aligning_guidelines/util/collect-point.ts"],"sourcesContent":["import type { FabricObject, Point, TOriginX, TOriginY } from 'fabric';\nimport { aligningLineConfig } from '../constant';\nimport { getDistance } from './basic';\n\ntype CollectPointProps = {\n  activeObject: FabricObject;\n  point: Point;\n  list: Point[];\n  isScale: boolean;\n  index: number;\n};\nconst originXArr: TOriginX[] = ['left', 'center', 'right'];\nconst originYArr: TOriginY[] = ['top', 'center', 'bottom'];\n\nexport function collectVerticalPoint(props: CollectPointProps) {\n  const aligningLineMargin = aligningLineConfig.margin;\n  const { activeObject, isScale, index, point, list } = props;\n  const { dis, arr } = getDistanceList(point, list, 'x');\n  const margin = aligningLineMargin / (activeObject.canvas?.getZoom() ?? 1);\n  if (dis > margin) return [];\n  let v = arr[arr.length - 1].x - point.x;\n  const dir = index == 0 || index == 3 ? -1 : 1;\n  v *= dir;\n\n  const { width, scaleX, left } = activeObject;\n  const dim = activeObject._getTransformedDimensions();\n  const sx = (v + dim.x) / dim.x;\n  if (isScale) activeObject.set('scaleX', scaleX * sx);\n  else activeObject.set('width', width * sx);\n  const dArr = [0, (v / 2) * dir, v * dir];\n  if (dir < 0) dArr.reverse();\n  const d = dArr[originXArr.indexOf(activeObject.originX)];\n  activeObject.set('left', left + d);\n  activeObject.setCoords();\n  return arr.map((item) => ({\n    x: item.x,\n    y1: item.y,\n    y2: point.y,\n  }));\n}\n\nexport function collectHorizontalPoint(props: CollectPointProps) {\n  const aligningLineMargin = aligningLineConfig.margin;\n  const { activeObject, isScale, index, point, list } = props;\n  const { dis, arr } = getDistanceList(point, list, 'y');\n  const margin = aligningLineMargin / (activeObject.canvas?.getZoom() ?? 1);\n  if (dis > margin) return [];\n  let v = arr[arr.length - 1].y - point.y;\n  const dir = index < 2 ? -1 : 1;\n  v *= dir;\n\n  const { height, scaleY, top } = activeObject;\n  const dim = activeObject._getTransformedDimensions();\n  const sy = (v + dim.y) / dim.y;\n  if (isScale) activeObject.set('scaleY', scaleY * sy);\n  else activeObject.set('height', height * sy);\n  const dArr = [0, (v / 2) * dir, v * dir];\n  if (dir < 0) dArr.reverse();\n  const d = dArr[originYArr.indexOf(activeObject.originY)];\n  activeObject.set('top', top + d);\n  activeObject.setCoords();\n  return arr.map((item) => ({\n    y: item.y,\n    x1: item.x,\n    x2: point.x,\n  }));\n}\n\nfunction getDistanceList(point: Point, list: Point[], type: 'x' | 'y') {\n  let dis = Infinity;\n  let arr: Point[] = [];\n  for (const item of list) {\n    const v = getDistance(point[type], item[type]);\n    if (dis > v) {\n      arr = [];\n      dis = v;\n    }\n    if (dis == v) {\n      arr.push(item);\n    }\n  }\n  return { dis, arr 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