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JS 获取文字实际宽度 #27

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zty012 opened this issue Oct 1, 2024 · 0 comments

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前端

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zty012 commented Oct 1, 2024

export function getTextSize(text: string, size: number): Vector {
  const canvas = document.createElement("canvas");
  const context = canvas.getContext("2d");
  if (!context) {
    throw new Error("Failed to get canvas context");
  }
  context.font = `${size}px system-ui`;
  const metrics = context.measureText(text);
  return new Vector(metrics.width, size);
}

zty012 added the 前端 label

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