Function loadImage

shared/test_util.ts:23–37

(
    imagePath: string, width: number,
    height: number)

export const KARMA_SERVER = './base/test_data';

export async function loadImage(
    imagePath: string, width: number,
    height: number): Promise<HTMLImageElement> {
  const img = new Image(width, height);
  const promise = new Promise<HTMLImageElement>((resolve, reject) => {
    img.crossOrigin = '';
    img.onload = () => {
      resolve(img);
    };
  });

  img.src = `${KARMA_SERVER}/${imagePath}`;

  return promise;
}

/**
 * Converts an RGBA image to a binary foreground mask based on an RGBA