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Viewing file:     mask.test.js (4.83 KB)      -rw-r--r--

import { Jimp, mkJGD } from "@jimp/test-utils";
import configure from "@jimp/custom";

import mask from "../src";
import { expectToBeJGD } from "@jimp/test-utils/src";

const jimp = configure({ plugins: [mask] }, Jimp);

describe("Mask", () => {
  let imgSrcOpaq;
  let imgSrcAlpa;
  let maskGrayBig;
  let maskGraySmall;
  let maskColor;

  before((done) => {
    Promise.all([
      jimp.read(mkJGD("▴□▾□■□", "■▴■▾■□", "■□▴□▾□", "■□■▴■▾")),
      jimp.read(mkJGD("▴▵▾▿", "▴▵▾▿", "▴▵▾▿")),
      jimp.read(mkJGD("048840", "8CFFC8", "8CFFC8", "048840")),
      jimp.read(mkJGD("0369", "369C", "69CF")),
      jimp.read(mkJGD("▴▴▾▾", "▪▪▰▰", "□□□□")),
    ])
      .then((imgs) => {
        imgSrcOpaq = imgs[0];
        imgSrcAlpa = imgs[1];
        maskGrayBig = imgs[2];
        maskGraySmall = imgs[3];
        maskColor = imgs[4];
        done();
      })
      .catch(done);
  });

  it("Affect opaque image with a gray mask with the same size", () => {
    expectToBeJGD(imgSrcOpaq.clone().mask(maskGrayBig).getJGDSync(), {
      width: 6,
      height: 4,
      data: [
        0xff000000, 0xffffff44, 0x0000ff88, 0xffffff88, 0x00000044, 0xffffff00,
        0x00000088, 0xff0000cc, 0x000000ff, 0x0000ffff, 0x000000cc, 0xffffff88,
        0x00000088, 0xffffffcc, 0xff0000ff, 0xffffffff, 0x0000ffcc, 0xffffff88,
        0x00000000, 0xffffff44, 0x00000088, 0xff000088, 0x00000044, 0x0000ff00,
      ],
    });
  });

  it("Affect opaque image with a gray mask with the same size, blited", () => {
    expectToBeJGD(imgSrcOpaq.clone().mask(maskGrayBig, 1, 1).getJGDSync(), {
      width: 6,
      height: 4,
      data: [
        0xff0000ff, 0xffffffff, 0x0000ffff, 0xffffffff, 0x000000ff, 0xffffffff,
        0x000000ff, 0xff000000, 0x00000044, 0x0000ff88, 0x00000088, 0xffffff44,
        0x000000ff, 0xffffff88, 0xff0000cc, 0xffffffff, 0x0000ffff, 0xffffffcc,
        0x000000ff, 0xffffff88, 0x000000cc, 0xff0000ff, 0x000000ff, 0x0000ffcc,
      ],
    });
  });

  it("Affect opaque image with a gray mask with the same size, blited negative", () => {
    expectToBeJGD(imgSrcOpaq.clone().mask(maskGrayBig, -1, -1).getJGDSync(), {
      width: 6,
      height: 4,
      data: [
        0xff0000cc, 0xffffffff, 0x0000ffff, 0xffffffcc, 0x00000088, 0xffffffff,
        0x000000cc, 0xff0000ff, 0x000000ff, 0x0000ffcc, 0x00000088, 0xffffffff,
        0x00000044, 0xffffff88, 0xff000088, 0xffffff44, 0x0000ff00, 0xffffffff,
        0x000000ff, 0xffffffff, 0x000000ff, 0xff0000ff, 0x000000ff, 0x0000ffff,
      ],
    });
  });

  it("Affect opaque image with a smaller gray mask", () => {
    expectToBeJGD(imgSrcOpaq.clone().mask(maskGraySmall).getJGDSync(), {
      width: 6,
      height: 4,
      data: [
        0xff000000, 0xffffff33, 0x0000ff66, 0xffffff99, 0x000000ff, 0xffffffff,
        0x00000033, 0xff000066, 0x00000099, 0x0000ffcc, 0x000000ff, 0xffffffff,
        0x00000066, 0xffffff99, 0xff0000cc, 0xffffffff, 0x0000ffff, 0xffffffff,
        0x000000ff, 0xffffffff, 0x000000ff, 0xff0000ff, 0x000000ff, 0x0000ffff,
      ],
    });
  });

  it("Affect opaque image with a smaller gray mask, blited", () => {
    expectToBeJGD(imgSrcOpaq.clone().mask(maskGraySmall, 1, 1).getJGDSync(), {
      width: 6,
      height: 4,
      data: [
        0xff0000ff, 0xffffffff, 0x0000ffff, 0xffffffff, 0x000000ff, 0xffffffff,
        0x000000ff, 0xff000000, 0x00000033, 0x0000ff66, 0x00000099, 0xffffffff,
        0x000000ff, 0xffffff33, 0xff000066, 0xffffff99, 0x0000ffcc, 0xffffffff,
        0x000000ff, 0xffffff66, 0x00000099, 0xff0000cc, 0x000000ff, 0x0000ffff,
      ],
    });
  });

  it("Affect alpha image with a bigger gray mask", () => {
    expectToBeJGD(imgSrcAlpa.clone().mask(maskGrayBig).getJGDSync(), {
      width: 4,
      height: 3,
      data: [
        0xff000000, 0xff000021, 0x0000ff88, 0x0000ff43, 0xff000088, 0xff000065,
        0x0000ffff, 0x0000ff7f, 0xff000088, 0xff000065, 0x0000ffff, 0x0000ff7f,
      ],
    });
  });

  it("Affect alpha image with a bigger gray mask, blited", () => {
    expectToBeJGD(imgSrcAlpa.clone().mask(maskGrayBig, -1, -1).getJGDSync(), {
      width: 4,
      height: 3,
      data: [
        0xff0000cc, 0xff00007f, 0x0000ffff, 0x0000ff65, 0xff0000cc, 0xff00007f,
        0x0000ffff, 0x0000ff65, 0xff000044, 0xff000043, 0x0000ff88, 0x0000ff21,
      ],
    });
  });

  it("Affect opaque image with a colored mask", () => {
    expectToBeJGD(imgSrcOpaq.clone().mask(maskColor, 1, 1).getJGDSync(), {
      width: 6,
      height: 4,
      data: [
        0xff0000ff, 0xffffffff, 0x0000ffff, 0xffffffff, 0x000000ff, 0xffffffff,
        0x000000ff, 0xff000055, 0x00000055, 0x0000ff55, 0x00000055, 0xffffffff,
        0x000000ff, 0xffffffaa, 0xff0000aa, 0xffffffaa, 0x0000ffaa, 0xffffffff,
        0x000000ff, 0xffffffff, 0x000000ff, 0xff0000ff, 0x000000ff, 0x0000ffff,
      ],
    });
  });
});