python-archieve-projects/WechatBot/node_modules/@jimp/plugin-mask/test/mask.test.js

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

import mask from "../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", () => {
    imgSrcOpaq
      .clone()
      .mask(maskGrayBig)
      .getJGDSync()
      .should.be.sameJGD({
        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", () => {
    imgSrcOpaq
      .clone()
      .mask(maskGrayBig, 1, 1)
      .getJGDSync()
      .should.be.sameJGD({
        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", () => {
    imgSrcOpaq
      .clone()
      .mask(maskGrayBig, -1, -1)
      .getJGDSync()
      .should.be.sameJGD({
        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", () => {
    imgSrcOpaq
      .clone()
      .mask(maskGraySmall)
      .getJGDSync()
      .should.be.sameJGD({
        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", () => {
    imgSrcOpaq
      .clone()
      .mask(maskGraySmall, 1, 1)
      .getJGDSync()
      .should.be.sameJGD({
        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", () => {
    imgSrcAlpa
      .clone()
      .mask(maskGrayBig)
      .getJGDSync()
      .should.be.sameJGD({
        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", () => {
    imgSrcAlpa
      .clone()
      .mask(maskGrayBig, -1, -1)
      .getJGDSync()
      .should.be.sameJGD({
        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", () => {
    imgSrcOpaq
      .clone()
      .mask(maskColor, 1, 1)
      .getJGDSync()
      .should.be.sameJGD({
        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,
        ],
      });
  });
});