INNER CODE UNIT · TypeScript

drawingHeight

margelo/react-native-graph · src/CreateGraphPath.ts:152

  const drawingHeight = height - 2 * verticalPadding;

  if (graphData[0] == null) return path;

  const points: SkPoint[] = [];

  const startX =
    getXInRange(drawingWidth, graphData[0]!.date, range.x) + horizontalPadding;
  const endX =
    getXInRange(drawingWidth, graphData[graphData.length - 1]!.date, range.x) +
    horizontalPadding;

  const getGraphDataIndex = (pixel: number) =>
    endX === startX
      ? 0
      : Math.round(
          ((pixel - startX) / (endX - startX)) * (graphData.length - 1)
        );

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