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

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

import crop from "../src";

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

describe("Autocrop", () => {
  it("image with transparent surround color", async () => {
    const imgSrc = await jimp.read(
      mkJGD(
        "          ",
        "    ◆◆    ",
        "   ◆▦▦◆   ",
        "  ◆▦▦▦▦◆  ",
        "   ◆▦▦◆   ",
        "    ◆◆    ",
        "          "
      )
    );

    imgSrc
      .autocrop()
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD("  ◆◆  ", " ◆▦▦◆ ", "◆▦▦▦▦◆", " ◆▦▦◆ ", "  ◆◆  ")
      );
  });

  it("image with opaque surround color", async () => {
    const imgSrc = await jimp.read(
      mkJGD(
        "▥▥▥▥▥▥▥▥▥▥",
        "▥▥▥▥◆◆▥▥▥▥",
        "▥▥▥◆▦▦◆▥▥▥",
        "▥▥◆▦▦▦▦◆▥▥",
        "▥▥▥◆▦▦◆▥▥▥",
        "▥▥▥▥◆◆▥▥▥▥",
        "▥▥▥▥▥▥▥▥▥▥"
      )
    );

    imgSrc
      .autocrop()
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD("▥▥◆◆▥▥", "▥◆▦▦◆▥", "◆▦▦▦▦◆", "▥◆▦▦◆▥", "▥▥◆◆▥▥")
      );
  });

  it("image with one color border", async () => {
    const imgSrc = await jimp.read(
      mkJGD(
        "▥▥▥▥▥▥▥▥▥▥▥▥",
        "▥▥▥▥▥▥▥▥▥▥▥▥",
        "▥▥   ◆◆   ▥▥",
        "▥▥  ◆▦▦◆  ▥▥",
        "▥▥ ◆▦▦▦▦◆ ▥▥",
        "▥▥  ◆▦▦◆  ▥▥",
        "▥▥   ◆◆   ▥▥",
        "▥▥▥▥▥▥▥▥▥▥▥▥",
        "▥▥▥▥▥▥▥▥▥▥▥▥"
      )
    );

    imgSrc
      .autocrop()
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD("   ◆◆   ", "  ◆▦▦◆  ", " ◆▦▦▦▦◆ ", "  ◆▦▦◆  ", "   ◆◆   ")
      );
  });

  it("image border with small variation", async () => {
    const imgSrc = await jimp.read(
      mkJGD(
        "323232323232",
        "232323232323",
        "32   ◆◆   32",
        "23  ◆▦▦◆  23",
        "32 ◆▦▦▦▦◆ 32",
        "23  ◆▦▦◆  23",
        "32   ◆◆   32",
        "232323232323",
        "323232323232"
      )
    );
    imgSrc
      .clone()
      .autocrop()
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD(
          "323232323232",
          "232323232323",
          "32   ◆◆   32",
          "23  ◆▦▦◆  23",
          "32 ◆▦▦▦▦◆ 32",
          "23  ◆▦▦◆  23",
          "32   ◆◆   32",
          "232323232323",
          "323232323232"
        )
      );
    imgSrc
      .clone()
      .autocrop(0.005)
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD("   ◆◆   ", "  ◆▦▦◆  ", " ◆▦▦▦▦◆ ", "  ◆▦▦◆  ", "   ◆◆   ")
      );
  });

  it("image border with small variation configured by options", async () => {
    const imgSrc = await Jimp.read(
      mkJGD(
        "323232323232",
        "232323232323",
        "32   ◆◆   32",
        "23  ◆▦▦◆  23",
        "32 ◆▦▦▦▦◆ 32",
        "23  ◆▦▦◆  23",
        "32   ◆◆   32",
        "232323232323",
        "323232323232"
      )
    );
    imgSrc
      .clone()
      .autocrop()
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD(
          "323232323232",
          "232323232323",
          "32   ◆◆   32",
          "23  ◆▦▦◆  23",
          "32 ◆▦▦▦▦◆ 32",
          "23  ◆▦▦◆  23",
          "32   ◆◆   32",
          "232323232323",
          "323232323232"
        )
      );
    imgSrc
      .clone()
      .autocrop({ tolerance: 0.005 })
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD("   ◆◆   ", "  ◆▦▦◆  ", " ◆▦▦▦▦◆ ", "  ◆▦▦◆  ", "   ◆◆   ")
      );
  });

  it("image without frame", async () => {
    const imgSrc = await Jimp.read(
      mkJGD(
        "▥▥   ◆◆   ",
        "▥▥  ◆▦▦◆  ",
        "▥▥ ◆▦▦▦▦◆ ",
        "▥▥  ◆▦▦◆  ",
        "▥▥   ◆◆   ",
        "▥▥▥▥▥▥▥▥▥▥",
        "▥▥▥▥▥▥▥▥▥▥"
      )
    );

    imgSrc
      .autocrop(false)
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD("   ◆◆   ", "  ◆▦▦◆  ", " ◆▦▦▦▦◆ ", "  ◆▦▦◆  ", "   ◆◆   ")
      );
  });

  it("image without frame configured by options", async () => {
    const imgSrc = await Jimp.read(
      mkJGD(
        "▥▥   ◆◆   ",
        "▥▥  ◆▦▦◆  ",
        "▥▥ ◆▦▦▦▦◆ ",
        "▥▥  ◆▦▦◆  ",
        "▥▥   ◆◆   ",
        "▥▥▥▥▥▥▥▥▥▥",
        "▥▥▥▥▥▥▥▥▥▥"
      )
    );

    imgSrc
      .autocrop({ cropOnlyFrames: false })
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD("   ◆◆   ", "  ◆▦▦◆  ", " ◆▦▦▦▦◆ ", "  ◆▦▦◆  ", "   ◆◆   ")
      );
  });

  it("image with symmetric border configured by options", async () => {
    const imgSrc = await Jimp.read(
      mkJGD(
        "▥▥▥▥▥▥▥▥▥▥▥▥▥▥",
        "▥▥   ◆◆   ▥▥▥▥",
        "▥▥  ◆▦▦◆  ▥▥▥▥",
        "▥▥ ◆▦▦▦▦◆ ▥▥▥▥",
        "▥▥  ◆▦▦◆  ▥▥▥▥",
        "▥▥   ◆◆   ▥▥▥▥",
        "▥▥▥▥▥▥▥▥▥▥▥▥▥▥",
        "▥▥▥▥▥▥▥▥▥▥▥▥▥▥"
      )
    );

    imgSrc
      .autocrop({ cropSymmetric: true })
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD(
          "   ◆◆   ▥▥",
          "  ◆▦▦◆  ▥▥",
          " ◆▦▦▦▦◆ ▥▥",
          "  ◆▦▦◆  ▥▥",
          "   ◆◆   ▥▥",
          "▥▥▥▥▥▥▥▥▥▥"
        )
      );
  });

  it("image without frame and with symmetric border configured by options", async () => {
    const imgSrc = await Jimp.read(
      mkJGD(
        "▥▥   ◆◆   ▥▥▥▥",
        "▥▥  ◆▦▦◆  ▥▥▥▥",
        "▥▥ ◆▦▦▦▦◆ ▥▥▥▥",
        "▥▥  ◆▦▦◆  ▥▥▥▥",
        "▥▥   ◆◆   ▥▥▥▥",
        "▥▥▥▥▥▥▥▥▥▥▥▥▥▥",
        "▥▥▥▥▥▥▥▥▥▥▥▥▥▥"
      )
    );
    imgSrc
      .autocrop({ cropSymmetric: true, cropOnlyFrames: false })
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD(
          "   ◆◆   ▥▥",
          "  ◆▦▦◆  ▥▥",
          " ◆▦▦▦▦◆ ▥▥",
          "  ◆▦▦◆  ▥▥",
          "   ◆◆   ▥▥",
          "▥▥▥▥▥▥▥▥▥▥",
          "▥▥▥▥▥▥▥▥▥▥"
        )
      );
  });

  it("image without frame and with some border left", async () => {
    const imgSrc = await Jimp.read(
      mkJGD(
        "323232323232",
        "232323232323",
        "32   ◆◆   32",
        "23  ◆▦▦◆  23",
        "32 ◆▦▦▦▦◆ 32",
        "23  ◆▦▦◆  23",
        "32   ◆◆   32",
        "232323232323",
        "323232323232"
      )
    );

    imgSrc
      .autocrop({
        tolerance: 0.005,
        leaveBorder: 1,
      })
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD(
          "3232323232",
          "2   ◆◆   3",
          "3  ◆▦▦◆  2",
          "2 ◆▦▦▦▦◆ 3",
          "3  ◆▦▦◆  2",
          "2   ◆◆   3",
          "3232323232"
        )
      );
  });

  it('image not cropped given an out of bounds "leaveBorder" value ', async () => {
    const imgSrc = await Jimp.read(
      mkJGD(
        "323232323232",
        "232323232323",
        "32   ◆◆   32",
        "23  ◆▦▦◆  23",
        "32 ◆▦▦▦▦◆ 32",
        "23  ◆▦▦◆  23",
        "32   ◆◆   32",
        "232323232323",
        "323232323232"
      )
    );

    imgSrc
      .autocrop({
        tolerance: 0.005,
        leaveBorder: 100,
      })
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD(
          "323232323232",
          "232323232323",
          "32   ◆◆   32",
          "23  ◆▦▦◆  23",
          "32 ◆▦▦▦▦◆ 32",
          "23  ◆▦▦◆  23",
          "32   ◆◆   32",
          "232323232323",
          "323232323232"
        )
      );
  });

  it("image with top and bottom frame and leaveBorder", async () => {
    const imgSrc = await Jimp.read(
      mkJGD(
        "▥▥▥▥▥▥▥▥",
        "▥▥▥▥▥▥▥▥",
        "▥▥▥▥▥▥▥▥",
        "   ◆◆   ",
        "  ◆▦▦◆  ",
        " ◆▦▦▦▦◆ ",
        "  ◆▦▦◆  ",
        "   ◆◆   ",
        "▥▥▥▥▥▥▥▥",
        "▥▥▥▥▥▥▥▥",
        "▥▥▥▥▥▥▥▥"
      )
    );
    imgSrc
      .autocrop({ cropSymmetric: true, cropOnlyFrames: false, leaveBorder: 2 })
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD(
          "▥▥▥▥▥▥▥▥",
          "▥▥▥▥▥▥▥▥",
          "   ◆◆   ",
          "  ◆▦▦◆  ",
          " ◆▦▦▦▦◆ ",
          "  ◆▦▦◆  ",
          "   ◆◆   ",
          "▥▥▥▥▥▥▥▥",
          "▥▥▥▥▥▥▥▥"
        )
      );
  });

  it("ignore sides north", async () => {
    const imgSrc = await jimp.read(
      mkJGD(
        "          ",
        "    ◆◆    ",
        "   ◆▦▦◆   ",
        "  ◆▦▦▦▦◆  ",
        "   ◆▦▦◆   ",
        "    ◆◆    ",
        "          "
      )
    );

    imgSrc
      .autocrop({ cropOnlyFrames: false, ignoreSides: { north: true } })
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD("      ", "  ◆◆  ", " ◆▦▦◆ ", "◆▦▦▦▦◆", " ◆▦▦◆ ", "  ◆◆  ")
      );
  });

  it("ignore sides south and west", async () => {
    const imgSrc = await jimp.read(
      mkJGD(
        "          ",
        "    ◆◆    ",
        "   ◆▦▦◆   ",
        "  ◆▦▦▦▦◆  ",
        "   ◆▦▦◆   ",
        "    ◆◆    ",
        "          "
      )
    );

    imgSrc
      .autocrop({
        cropOnlyFrames: false,
        ignoreSides: { west: true, south: true },
      })
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD(
          "  ◆◆    ",
          " ◆▦▦◆   ",
          "◆▦▦▦▦◆  ",
          " ◆▦▦◆   ",
          "  ◆◆    ",
          "        "
        )
      );
  });

  it("ignore sides east", async () => {
    const imgSrc = await jimp.read(
      mkJGD(
        "          ",
        "    ◆◆    ",
        "   ◆▦▦◆   ",
        "  ◆▦▦▦▦◆  ",
        "   ◆▦▦◆   ",
        "    ◆◆    ",
        "          "
      )
    );

    imgSrc
      .autocrop({ cropOnlyFrames: false, ignoreSides: { east: true } })
      .getJGDSync()
      .should.be.sameJGD(
        mkJGD("    ◆◆  ", "   ◆▦▦◆ ", "  ◆▦▦▦▦◆", "   ◆▦▦◆ ", "    ◆◆  ")
      );
  });
});