Function scaleFramePortrait

example/src/core/scaling.ts:68–86

(
  screenWidth: number,
  imageWidth: number,
  imageHeight: number,
  frame: Frame,
)

}

function scaleFramePortrait(
  screenWidth: number,
  imageWidth: number,
  imageHeight: number,
  frame: Frame,
): Frame {
  const shown = shownDimensionsPortrait(screenWidth, imageWidth, imageHeight);
  const point = scalePointPortrait(screenWidth, imageWidth, imageHeight, {
    x: frame.left,
    y: frame.top,
  });

  return {
    left: point.x,
    top: point.y,
    width: (shown.width / imageWidth) * frame.width,
    height: (shown.height / imageHeight) * frame.height,
  };
}

export function scaleFrame(
  imageWidth: number,