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

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

import resize from "../src";

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

describe("Resize images", () => {
  const testImages = [
    {
      title: "max contrast 8x8",
      src: jimp.read(
        mkJGD(
          "■■■■□□□□",
          "■■■■□□□□",
          "■■■■□□□□",
          "■■■■□□□□",
          "□□□□■■■■",
          "□□□□■■■■",
          "□□□□■■■■",
          "□□□□■■■■"
        )
      ),
      results: {
        "default 4x4": mkJGD("■■□□", "■■□□", "□□■■", "□□■■"),
        "NEAREST_NEIGHBOR 4x4": mkJGD("■■□□", "■■□□", "□□■■", "□□■■"),
        "BILINEAR 4x4": mkJGD("■■□□", "■■□□", "□□■■", "□□■■"),
        "BICUBIC 4x4": {
          width: 4,
          height: 4,
          data: [
            0x000000ff, 0x000000ff, 0xbfbfbfff, 0xffffffff, 0x000000ff,
            0x000000ff, 0xbfbfbfff, 0xffffffff, 0xbfbfbfff, 0xbfbfbfff,
            0x5f5f5fff, 0x404040ff, 0xffffffff, 0xffffffff, 0x404040ff,
            0x000000ff,
          ],
        },
        "HERMITE 4x4": {
          width: 4,
          height: 4,
          data: [
            0x000000ff, 0x000000ff, 0xc0c0c0ff, 0xffffffff, 0x000000ff,
            0x000000ff, 0xc0c0c0ff, 0xffffffff, 0xc0c0c0ff, 0xc0c0c0ff,
            0x606060ff, 0x404040ff, 0xffffffff, 0xffffffff, 0x404040ff,
            0x000000ff,
          ],
        },
        "BEZIER 4x4": {
          width: 4,
          height: 4,
          data: [
            0x000000ff, 0x000000ff, 0xc0c0c0ff, 0xffffffff, 0x000000ff,
            0x000000ff, 0xc0c0c0ff, 0xffffffff, 0xc0c0c0ff, 0xc0c0c0ff,
            0x606060ff, 0x404040ff, 0xffffffff, 0xffffffff, 0x404040ff,
            0x000000ff,
          ],
        },
        "default 5x2": mkJGD("■■▦□□", "□□▦■■"),
        "NEAREST_NEIGHBOR 5x2": mkJGD("■■■□□", "□□□■■"),
        "BILINEAR 5x2": mkJGD("■■3□□", "□□C■■"),
        "BICUBIC 5x2": {
          width: 5,
          height: 2,
          data: [
            0x000000ff, 0x000000ff, 0x000000ff, 0xffffffff, 0xffffffff,
            0xdfdfdfff, 0xdfdfdfff, 0xdfdfdfff, 0x202020ff, 0x202020ff,
          ],
        },
        "HERMITE 5x2": {
          width: 5,
          height: 2,
          data: [
            0x000000ff, 0x000000ff, 0x000000ff, 0xffffffff, 0xffffffff,
            0xdfdfdfff, 0xdfdfdfff, 0xdfdfdfff, 0x202020ff, 0x202020ff,
          ],
        },
        "BEZIER 5x2": {
          width: 5,
          height: 2,
          data: [
            0x000000ff, 0x000000ff, 0x000000ff, 0xffffffff, 0xffffffff,
            0xdfdfdfff, 0xdfdfdfff, 0xdfdfdfff, 0x202020ff, 0x202020ff,
          ],
        },
      },
    },
    /**********************************************************************/
    {
      title: "max contrast 12x12 with dots",
      src: jimp.read(
        mkJGD(
          "■■■■■■□□□□□□",
          "■■■■■■□□□□□□",
          "■■■□■■□□■□□□",
          "■■■■■■□□□□□□",
          "■■■■■■□□□□□□",
          "■■■■■■□□□□□□",
          "□□□□□□■■■■■■",
          "□□□□□□■■■■■■",
          "□□□□□□■■■■■■",
          "□□□■□□■■□■■■",
          "□□□□□□■■■■■■",
          "□□□□□□■■■■■■"
        )
      ),
      results: {
        "default 6x6": mkJGD(
          "■■■□□□",
          "■▩■□▥□",
          "■■■□□□",
          "□□□■■■",
          "□▥□■▩■",
          "□□□■■■"
        ),
        "NEAREST_NEIGHBOR 6x6": mkJGD(
          "■■■□□□",
          "■■■□■□",
          "■■■□□□",
          "□□□■■■",
          "□□□■■■",
          "□□□■■■"
        ),
        "BILINEAR 6x6": mkJGD(
          "■■■□□□",
          "■■■□■□",
          "■■■□□□",
          "□□□■■■",
          "□□□■■■",
          "□□□■■■"
        ),
        "BICUBIC 6x6": {
          width: 6,
          height: 6,
          data: [
            0x000000ff, 0x000000ff, 0x000000ff, 0xbfbfbfff, 0xffffffff,
            0xffffffff, 0x000000ff, 0x474747ff, 0x202020ff, 0xbfbfbfff,
            0x979797ff, 0xffffffff, 0x000000ff, 0x000000ff, 0x000000ff,
            0xbfbfbfff, 0xffffffff, 0xffffffff, 0xbfbfbfff, 0xbfbfbfff,
            0xbfbfbfff, 0x5f5f5fff, 0x404040ff, 0x404040ff, 0xffffffff,
            0xeeeeeeff, 0xf7f7f7ff, 0x404040ff, 0x181818ff, 0x000000ff,
            0xffffffff, 0xc9c9c9ff, 0xe6e6e6ff, 0x404040ff, 0x4e4e4eff,
            0x000000ff,
          ],
        },
        "HERMITE 6x6": {
          width: 6,
          height: 6,
          data: [
            0x000000ff, 0x000000ff, 0x000000ff, 0xc0c0c0ff, 0xffffffff,
            0xffffffff, 0x000000ff, 0x404040ff, 0x191919ff, 0xc0c0c0ff,
            0xa6a6a6ff, 0xffffffff, 0x000000ff, 0x000000ff, 0x000000ff,
            0xc0c0c0ff, 0xffffffff, 0xffffffff, 0xc0c0c0ff, 0xc0c0c0ff,
            0xc0c0c0ff, 0x606060ff, 0x404040ff, 0x404040ff, 0xffffffff,
            0xf3f3f3ff, 0xfafafaff, 0x404040ff, 0x111111ff, 0x000000ff,
            0xffffffff, 0xcbcbcbff, 0xebebebff, 0x404040ff, 0x484848ff,
            0x000000ff,
          ],
        },
        "BEZIER 6x6": {
          width: 6,
          height: 6,
          data: [
            0x000000ff, 0x000000ff, 0x000000ff, 0xc0c0c0ff, 0xffffffff,
            0xffffffff, 0x000000ff, 0x444444ff, 0x1d1d1dff, 0xc0c0c0ff,
            0x9f9f9fff, 0xffffffff, 0x000000ff, 0x000000ff, 0x000000ff,
            0xc0c0c0ff, 0xffffffff, 0xffffffff, 0xc0c0c0ff, 0xc0c0c0ff,
            0xc0c0c0ff, 0x606060ff, 0x404040ff, 0x404040ff, 0xffffffff,
            0xf0f0f0ff, 0xf9f9f9ff, 0x404040ff, 0x151515ff, 0x000000ff,
            0xffffffff, 0xcacacaff, 0xe9e9e9ff, 0x404040ff, 0x4b4b4bff,
            0x000000ff,
          ],
        },
      },
    },
    /**********************************************************************/
    {
      title: "mutch contrast 4x4",
      src: jimp.read(mkJGD("▩▩▥▥", "▩▩▥▥", "▥▥▩▩", "▥▥▩▩")),
      results: {
        "default 6x6": {
          width: 6,
          height: 6,
          data: [
            0x404040ff, 0x404040ff, 0x404040ff, 0x959595ff, 0xbfbfbfff,
            0xbfbfbfff, 0x404040ff, 0x404040ff, 0x404040ff, 0x959595ff,
            0xbfbfbfff, 0xbfbfbfff, 0x404040ff, 0x404040ff, 0x404040ff,
            0x959595ff, 0xbfbfbfff, 0xbfbfbfff, 0x959595ff, 0x959595ff,
            0x959595ff, 0x787878ff, 0x6a6a6aff, 0x6a6a6aff, 0xbfbfbfff,
            0xbfbfbfff, 0xbfbfbfff, 0x6a6a6aff, 0x404040ff, 0x404040ff,
            0xbfbfbfff, 0xbfbfbfff, 0xbfbfbfff, 0x6a6a6aff, 0x404040ff,
            0x404040ff,
          ],
        },
        "NEAREST_NEIGHBOR 6x6": {
          width: 6,
          height: 6,
          data: [
            0x404040ff, 0x404040ff, 0x404040ff, 0xbfbfbfff, 0xbfbfbfff,
            0xbfbfbfff, 0x404040ff, 0x404040ff, 0x404040ff, 0xbfbfbfff,
            0xbfbfbfff, 0xbfbfbfff, 0x404040ff, 0x404040ff, 0x404040ff,
            0xbfbfbfff, 0xbfbfbfff, 0xbfbfbfff, 0xbfbfbfff, 0xbfbfbfff,
            0xbfbfbfff, 0x404040ff, 0x404040ff, 0x404040ff, 0xbfbfbfff,
            0xbfbfbfff, 0xbfbfbfff, 0x404040ff, 0x404040ff, 0x404040ff,
            0xbfbfbfff, 0xbfbfbfff, 0xbfbfbfff, 0x404040ff, 0x404040ff,
            0x404040ff,
          ],
        },
        "BILINEAR 6x6": {
          width: 6,
          height: 6,
          data: [
            0x404040ff, 0x404040ff, 0x6a6a6aff, 0xbfbfbfff, 0xbfbfbfff,
            0xbfbfbfff, 0x404040ff, 0x404040ff, 0x6a6a6aff, 0xbfbfbfff,
            0xbfbfbfff, 0xbfbfbfff, 0x6a6a6aff, 0x6a6a6aff, 0x787878ff,
            0x959595ff, 0x959595ff, 0x959595ff, 0xbfbfbfff, 0xbfbfbfff,
            0x959595ff, 0x404040ff, 0x404040ff, 0x404040ff, 0xbfbfbfff,
            0xbfbfbfff, 0x959595ff, 0x404040ff, 0x404040ff, 0x404040ff,
            0xbfbfbfff, 0xbfbfbfff, 0x959595ff, 0x404040ff, 0x404040ff,
            0x404040ff,
          ],
        },
        "BICUBIC 6x6": {
          width: 6,
          height: 6,
          data: [
            0x404040ff, 0x303030ff, 0x404040ff, 0x7f7f7fff, 0xbfbfbfff,
            0xcececeff, 0x303030ff, 0x1c1c1cff, 0x303030ff, 0x7f7f7fff,
            0xcececeff, 0xe1e1e1ff, 0x404040ff, 0x303030ff, 0x404040ff,
            0x7f7f7fff, 0xbfbfbfff, 0xcececeff, 0x7f7f7fff, 0x7f7f7fff,
            0x7f7f7fff, 0x7f7f7fff, 0x7f7f7fff, 0x7f7f7fff, 0xbfbfbfff,
            0xcececeff, 0xbfbfbfff, 0x7f7f7fff, 0x404040ff, 0x303030ff,
            0xcececeff, 0xe1e1e1ff, 0xcececeff, 0x7f7f7fff, 0x303030ff,
            0x1c1c1cff,
          ],
        },
        "HERMITE 6x6": {
          width: 6,
          height: 6,
          data: [
            0x404040ff, 0x383838ff, 0x404040ff, 0x808080ff, 0xbfbfbfff,
            0xc7c7c7ff, 0x383838ff, 0x2f2f2fff, 0x383838ff, 0x808080ff,
            0xc7c7c7ff, 0xd0d0d0ff, 0x404040ff, 0x383838ff, 0x404040ff,
            0x808080ff, 0xbfbfbfff, 0xc7c7c7ff, 0x808080ff, 0x808080ff,
            0x808080ff, 0x808080ff, 0x808080ff, 0x808080ff, 0xbfbfbfff,
            0xc7c7c7ff, 0xbfbfbfff, 0x808080ff, 0x404040ff, 0x383838ff,
            0xc7c7c7ff, 0xd0d0d0ff, 0xc7c7c7ff, 0x808080ff, 0x383838ff,
            0x2f2f2fff,
          ],
        },
        "BEZIER 6x6": {
          width: 6,
          height: 6,
          data: [
            0x404040ff, 0x343434ff, 0x404040ff, 0x808080ff, 0xbfbfbfff,
            0xcbcbcbff, 0x343434ff, 0x262626ff, 0x343434ff, 0x808080ff,
            0xcbcbcbff, 0xd9d9d9ff, 0x404040ff, 0x343434ff, 0x404040ff,
            0x808080ff, 0xbfbfbfff, 0xcbcbcbff, 0x808080ff, 0x808080ff,
            0x808080ff, 0x808080ff, 0x808080ff, 0x808080ff, 0xbfbfbfff,
            0xcbcbcbff, 0xbfbfbfff, 0x808080ff, 0x404040ff, 0x343434ff,
            0xcbcbcbff, 0xd9d9d9ff, 0xcbcbcbff, 0x808080ff, 0x343434ff,
            0x262626ff,
          ],
        },
      },
    },
  ];

  before((done) => {
    const srcImgs = testImages.map((test) => test.src);
    Promise.all(srcImgs)
      .then((imgsJimp) => {
        for (let i = 0; i < imgsJimp.length; i++) {
          testImages[i].src = imgsJimp[i];
        }

        done();
      })
      .catch(done);
  });

  function testEach(test) {
    describe(test.title, () => {
      hashForEach(test.results, (expectedTitle, expectedJgd) => {
        const mode = Jimp["RESIZE_" + expectedTitle.split(" ")[0]];
        const size = expectedTitle
          .split(" ")[1]
          .split("x")
          .map((n) => parseInt(n, 10));
        it("to " + expectedTitle, () => {
          test.src
            .clone()
            .resize(size[0], size[1], mode)
            .getJGDSync()
            .should.be.sameJGD(expectedJgd);
        });
      });
    });
  }

  testImages.forEach(testEach);
});