tldraw/dist-esm/lib/shapes/draw/getPath.mjs.map

A tiny little drawing editor.

{
  "version": 3,
  "sources": ["../../../../src/lib/shapes/draw/getPath.ts"],
  "sourcesContent": ["import {\n\tEASINGS,\n\tPI,\n\tSIN,\n\tTLDefaultDashStyle,\n\tTLDrawShape,\n\tTLDrawShapeSegment,\n\tVec,\n\tb64Vecs,\n\tmodulate,\n} from '@tldraw/editor'\nimport { StrokeOptions } from '../shared/freehand/types'\n\nconst PEN_EASING = (t: number) => t * 0.65 + SIN((t * PI) / 2) * 0.35\n\nconst simulatePressureSettings = (strokeWidth: number): StrokeOptions => {\n\treturn {\n\t\tsize: strokeWidth,\n\t\tthinning: 0.5,\n\t\tstreamline: modulate(strokeWidth, [9, 16], [0.64, 0.74], true), // 0.62 + ((1 + strokeWidth) / 8) * 0.06,\n\t\tsmoothing: 0.62,\n\t\teasing: EASINGS.easeOutSine,\n\t\tsimulatePressure: true,\n\t}\n}\n\nconst realPressureSettings = (strokeWidth: number): StrokeOptions => {\n\treturn {\n\t\tsize: 1 + strokeWidth * 1.2,\n\t\tthinning: 0.62,\n\t\tstreamline: 0.62,\n\t\tsmoothing: 0.62,\n\t\tsimulatePressure: false,\n\t\teasing: PEN_EASING,\n\t}\n}\n\nconst solidSettings = (strokeWidth: number): StrokeOptions => {\n\treturn {\n\t\tsize: strokeWidth,\n\t\tthinning: 0,\n\t\tstreamline: modulate(strokeWidth, [9, 16], [0.64, 0.74], true), // 0.62 + ((1 + strokeWidth) / 8) * 0.06,\n\t\tsmoothing: 0.62,\n\t\tsimulatePressure: false,\n\t\teasing: EASINGS.linear,\n\t}\n}\n\nconst solidRealPressureSettings = (strokeWidth: number): StrokeOptions => {\n\treturn {\n\t\tsize: strokeWidth,\n\t\tthinning: 0,\n\t\tstreamline: 0.62,\n\t\tsmoothing: 0.62,\n\t\tsimulatePressure: false,\n\t\teasing: EASINGS.linear,\n\t}\n}\n\nexport function getHighlightFreehandSettings({\n\tstrokeWidth,\n\tshowAsComplete,\n}: {\n\tstrokeWidth: number\n\tshowAsComplete: boolean\n}): StrokeOptions {\n\treturn {\n\t\tsize: 1 + strokeWidth,\n\t\tthinning: 0,\n\t\tstreamline: 0.5,\n\t\tsmoothing: 0.5,\n\t\tsimulatePressure: false,\n\t\teasing: EASINGS.easeOutSine,\n\t\tlast: showAsComplete,\n\t}\n}\n\nexport function getFreehandOptions(\n\tshapeProps: { dash: TLDefaultDashStyle; isPen: boolean; isComplete: boolean },\n\tstrokeWidth: number,\n\tforceComplete: boolean,\n\tforceSolid: boolean\n): StrokeOptions {\n\tconst last = shapeProps.isComplete || forceComplete\n\n\tif (forceSolid) {\n\t\tif (shapeProps.isPen) {\n\t\t\treturn { ...solidRealPressureSettings(strokeWidth), last }\n\t\t} else {\n\t\t\treturn { ...solidSettings(strokeWidth), last }\n\t\t}\n\t}\n\n\tif (shapeProps.dash === 'draw') {\n\t\tif (shapeProps.isPen) {\n\t\t\treturn { ...realPressureSettings(strokeWidth), last }\n\t\t} else {\n\t\t\treturn { ...simulatePressureSettings(strokeWidth), last }\n\t\t}\n\t}\n\n\treturn { ...solidSettings(strokeWidth), last }\n}\n\n/** @public */\nexport function getPointsFromDrawSegment(\n\tsegment: TLDrawShapeSegment,\n\tscaleX: number,\n\tscaleY: number,\n\tpoints: Vec[] = []\n) {\n\tconst _points = b64Vecs.decodePoints(segment.path)\n\n\t// Apply scale factors (used for lazy resize and flipping)\n\tif (scaleX !== 1 || scaleY !== 1) {\n\t\tfor (const point of _points) {\n\t\t\tpoint.x *= scaleX\n\t\t\tpoint.y *= scaleY\n\t\t}\n\t}\n\n\tif (segment.type === 'free' || _points.length < 2) {\n\t\tpoints.push(..._points.map(Vec.From))\n\t} else {\n\t\tconst pointsToInterpolate = Math.max(4, Math.floor(Vec.Dist(_points[0], _points[1]) / 16))\n\t\tpoints.push(...Vec.PointsBetween(_points[0], _points[1], pointsToInterpolate))\n\t}\n\n\treturn points\n}\n\n/** @public */\nexport function getPointsFromDrawSegments(segments: TLDrawShapeSegment[], scaleX = 1, scaleY = 1) {\n\tconst points: Vec[] = []\n\n\tfor (const segment of segments) {\n\t\tgetPointsFromDrawSegment(segment, scaleX, scaleY, points)\n\t}\n\n\treturn points\n}\n\nexport function getDrawShapeStrokeDashArray(\n\tshape: TLDrawShape,\n\tstrokeWidth: number,\n\tdotAdjustment: number\n) {\n\treturn {\n\t\tdraw: 'none',\n\t\tsolid: `none`,\n\t\tdotted: `${dotAdjustment} ${strokeWidth * 2}`,\n\t\tdashed: `${strokeWidth * 2} ${strokeWidth * 2}`,\n\t}[shape.props.dash]\n}\n"],
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