sound-visualizer/lib/chunk-COBSMVXT.mjs

## Description

import {
  calculateLine
} from "./chunk-2QSCF4TY.mjs";
import {
  widthFromOption
} from "./chunk-CJAQWSZU.mjs";
import {
  defaultOptions
} from "./chunk-OXD3IJIC.mjs";

// src/continuous/draw/impure.ts
function drawContinuousWave(canvas, audioHistory, options = defaultOptions) {
  const context = canvas.getContext("2d");
  if (!context)
    return;
  const { strokeColor = "#000000", rectWidth = "default", slices = 100, barRadius = 0 } = options;
  const { height, width } = canvas;
  const w = widthFromOption(rectWidth, width);
  context.fillStyle = strokeColor;
  context.clearRect(0, 0, width, height);
  context.beginPath();
  const sliceWidth = width / slices;
  const historyToCheck = audioHistory.slice(-slices);
  for (let i = 0; i < slices; i++) {
    if (i >= audioHistory.length)
      break;
    const value = historyToCheck[i];
    const { start, end } = calculateLine(height, value);
    const x = i * sliceWidth;
    if (barRadius <= 0) {
      context.rect(x, start, w, end - start);
    } else {
      context.roundRect(x, start, w, end - start, barRadius);
    }
  }
  context.fill();
}

export {
  drawContinuousWave
};