function getPageViewPort()

in src/pdf2png.ts [79:92]

• 12 lines of code
• 2 McCabe index (conditional complexity)

function getPageViewPort(page: pdfjsLib.PDFPageProxy, scaleImage: boolean): pdfjsLib.PageViewport {
  const viewport = page.getViewport({ scale: 1.0 })
  if (scaleImage === false) {
    return viewport
  }

  // Increase resolution
  const horizontalMm = convertFromPxToMm(viewport.width, 72)
  const verticalMm = convertFromPxToMm(viewport.height, 72)
  const actualWidth = convertFromMmToPx(horizontalMm, 144)
  const actualHeight = convertFromMmToPx(verticalMm, 144)
  const scale = Math.min(actualWidth / viewport.width, actualHeight / viewport.height)
  return page.getViewport({ scale })
}