Function createCat

plugins/plugin-blit/src/index.node.test.ts:21–74

(catNum: number, len: number)

  });

  async function createCat(catNum: number, len: number) {
    const imgHeight = 60;

    const butt = await Jimp.read(__dirname + "/images/cat_butt.png");
    const head = await Jimp.read(__dirname + "/images/cat_head.png");
    const fuzz = await Jimp.read(__dirname + "/images/cat_fuzz.png");

    let longCat = len;
    longCat = longCat > 20 ? 20 : longCat;
    longCat = longCat <= 1 ? 1 : longCat;

    const cat =
      Math.floor(catNum * (head.bitmap.height / imgHeight)) * imgHeight;

    const newImage = new Jimp({
      width:
        butt.bitmap.width + head.bitmap.width + fuzz.bitmap.width * longCat,
      height: imgHeight,
      color: 0x00000000,
    });

    newImage.blit({
      src: butt,
      x: 0,
      y: 0,
      srcX: 0,
      srcY: cat,
      srcW: butt.bitmap.width,
      srcH: imgHeight,
    });
    for (let i = 0; i < longCat; i++) {
      newImage.blit({
        src: fuzz,
        x: butt.bitmap.width + fuzz.bitmap.width * i,
        y: 0,
        srcX: 0,
        srcY: cat,
        srcW: fuzz.bitmap.width,
        srcH: imgHeight,
      });
    }

    newImage.blit({
      src: head,
      x: butt.bitmap.width + fuzz.bitmap.width * longCat,
      y: 0,
      srcX: 0,
      srcY: cat,
      srcW: head.bitmap.width,
      srcH: imgHeight,
    });

    return newImage;
  }

  test("uses src params correctly", async () => {
    const small = await createCat(0.3, 1);