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rotation.test.js
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import { Jimp, mkJGD } from "@jimp/test-utils"; import configure from "@jimp/custom"; import blit from "@jimp/plugin-blit"; import crop from "@jimp/plugin-crop"; import resize from "@jimp/plugin-resize"; import rotate from "../src"; const jimp = configure({ plugins: [rotate, blit, crop, resize] }, Jimp); describe("Rotate a image with even size", () => { let imgSrc = null; before((done) => { jimp .read( mkJGD( "▰▴▴▴▪▪▪▰", "▴▴▴▴▪▪▪▪", "▴▴▴▴▪▪▪▪", "▴▴▴▴▪▪▪▪", "▪▪▪▪▴▴▴▴", "▪▪▪▪▴▴▴▴", "▪▪▪▪▴▴▴▴", "▦▪▪▪▴▴▴▦" ) ) .then((imgJimp) => { imgSrc = imgJimp; done(); }) .catch(done); }); it("1 degrees", () => { imgSrc .clone() .rotate(1, true) .getJGDSync() .should.be.sameJGD( mkJGD( "▰▴▴▴▪▪▪▰ ", "▴▴▴▴▪▪▪▪ ", "▴▴▴▴▪▪▪▪ ", "▴▴▴▴▪▪▪▪ ", "▪▪▪▪▴▴▴▴ ", "▪▪▪▪▴▴▴▴ ", "▪▪▪▪▴▴▴▴ ", "▦▪▪▪▴▴▴▦ ", " ", " " ) ); }); it("91 degrees", () => { imgSrc .clone() .rotate(91, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", "▰▪▪▪▴▴▴▦ ", "▪▪▪▪▴▴▴▴ ", "▪▪▪▪▴▴▴▴ ", "▪▪▪▪▴▴▴▴ ", "▴▴▴▴▪▪▪▪ ", "▴▴▴▴▪▪▪▪ ", "▴▴▴▴▪▪▪▪ ", "▰▴▴▴▪▪▪▦ ", " " ) ); }); it("30 degrees", () => { imgSrc .clone() .rotate(30, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ▰▰ ", " ▪▪▪▪ ", " ▴▪▪▪▪▪ ", "▴▴▴▴▪▪▪▪ ", "▴▴▴▴▪▪▴▴▴ ", "▴▴▴▴▪▴▴▴▴▴ ", " ▴▴▪▪▴▴▴▴▦ ", " ▪▪▪▪▪▴▴▴ ", " ▪▪▪▪▪ ", " ▪▪▪ ", " ▦ ", " " ) ); }); it("45 degrees", () => { imgSrc .clone() .rotate(45, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", " ▰ ", " ▪▪▪ ", " ▪▪▪▪▪ ", " ▴▴▪▪▪▪▴ ", " ▴▴▴▴▪▪▴▴▴ ", "▰▰▴▴▴▴▴▴▴▴▦ ", " ▴▴▴▴▪▪▴▴▴ ", " ▴▴▪▪▪▪▴ ", " ▪▪▪▪▪ ", " ▪▪▪ ", " ▦ ", " ", " " ) ); }); it("60 degrees", () => { imgSrc .clone() .rotate(60, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ▰ ", " ▪▪▪ ", " ▪▪▪▪▪ ", " ▪▪▪▪▪▴▴▴ ", " ▴▴▪▪▴▴▴▴▦ ", "▴▴▴▴▪▴▴▴▴▴ ", "▴▴▴▴▪▪▴▴▴ ", "▴▴▴▴▪▪▪▪ ", " ▴▪▪▪▪▪ ", " ▪▪▪▪ ", " ▦▦ ", " " ) ); }); it("90 degrees", () => { imgSrc .clone() .rotate(90, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", "▰▪▪▪▴▴▴▦ ", "▪▪▪▪▴▴▴▴ ", "▪▪▪▪▴▴▴▴ ", "▪▪▪▪▴▴▴▴ ", "▴▴▴▴▪▪▪▪ ", "▴▴▴▴▪▪▪▪ ", "▴▴▴▴▪▪▪▪ ", "▰▴▴▴▪▪▪▦ ", " " ) ); }); it("120 degrees", () => { imgSrc .clone() .rotate(120, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", " ▴▦ ", " ▴▴▴▴ ", " ▪▪▴▴▴▴ ", "▰▪▪▪▴▴▴▴▪ ", "▰▪▪▪▪▴▴▪▪▪ ", " ▪▪▪▪▪▪▪▪▪ ", " ▪▪▴▴▴▪▪▪▪▦ ", " ▴▴▴▴▴▪▪ ", " ▴▴▴▴▪ ", " ▴▴▴ ", " " ) ); }); it("135 degrees", () => { imgSrc .clone() .rotate(135, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", " ", " ▦ ", " ▴▴▴ ", " ▴▴▴▴▴ ", " ▪▪▴▴▴▪▪ ", " ▪▪▪▪▴▪▪▪▪ ", " ▰▪▪▪▪▴▪▪▪▪▦ ", " ▪▪▪▴▴▴▪▪▪ ", " ▪▴▴▴▴▴▪ ", " ▴▴▴▴▴ ", " ▴▰▴ ", " ▰ ", " " ) ); }); it("180 degrees", () => { imgSrc .clone() .rotate(180, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", " ▦▴▴▴▪▪▪▦ ", " ▴▴▴▴▪▪▪▪ ", " ▴▴▴▴▪▪▪▪ ", " ▴▴▴▴▪▪▪▪ ", " ▪▪▪▪▴▴▴▴ ", " ▪▪▪▪▴▴▴▴ ", " ▪▪▪▪▴▴▴▴ ", " ▰▪▪▪▴▴▴▰ ", " " ) ); }); it("225 degrees", () => { imgSrc .clone() .rotate(225, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", " ▦ ", " ▪▪▪ ", " ▪▪▪▪▪ ", " ▴▪▪▪▪▴▴ ", " ▴▴▴▪▪▴▴▴▴ ", " ▦▴▴▴▴▴▴▴▴▰▰ ", " ▴▴▴▪▪▴▴▴▴ ", " ▴▪▪▪▪▴▴ ", " ▪▪▪▪▪ ", " ▪▪▪ ", " ▰ ", " ", " " ) ); }); it("270 degrees", () => { imgSrc .clone() .rotate(270, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ▦▪▪▪▴▴▴▰ ", " ▪▪▪▪▴▴▴▴ ", " ▪▪▪▪▴▴▴▴ ", " ▪▪▪▪▴▴▴▴ ", " ▴▴▴▴▪▪▪▪ ", " ▴▴▴▴▪▪▪▪ ", " ▴▴▴▴▪▪▪▪ ", " ▦▴▴▴▪▪▪▰ ", " ", " " ) ); }); it("315 degrees", () => { imgSrc .clone() .rotate(315, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ▰ ", " ▴▰▴ ", " ▴▴▴▴▴ ", " ▪▴▴▴▴▴▪ ", " ▪▪▪▴▴▴▪▪▪ ", " ▦▪▪▪▪▴▪▪▪▪▰ ", " ▪▪▪▪▴▪▪▪▪ ", " ▪▪▴▴▴▪▪ ", " ▴▴▴▴▴ ", " ▴▴▴ ", " ▦ ", " ", " ", " " ) ); }); it("360 degrees", () => { imgSrc .clone() .rotate(360, true) .getJGDSync() .should.be.sameJGD( mkJGD( "▰▴▴▴▪▪▪▰ ", "▴▴▴▴▪▪▪▪ ", "▴▴▴▴▪▪▪▪ ", "▴▴▴▴▪▪▪▪ ", "▪▪▪▪▴▴▴▴ ", "▪▪▪▪▴▴▴▴ ", "▪▪▪▪▴▴▴▴ ", "▦▪▪▪▴▴▴▦ ", " ", " " ) ); }); }); describe("Rotate a image with odd size", () => { let imgSrc = null; before((done) => { jimp .read( mkJGD( "▴▴▴▦▪▪▪", "▴▴▴▦▪▪▪", "▴▴▴▦▪▪▪", "▦▦▦▦▦▦▦", "▴▴▴▦▴▴▴", "▴▴▴▦▴▴▴", "▴▴▴▦▴▴▴" ) ) .then((imgJimp) => { imgSrc = imgJimp; done(); }) .catch(done); }); it("45 degrees", () => { imgSrc .clone() .rotate(45, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", " ▪ ", " ▪▪▪ ", " ▦▪▪▪▦ ", " ▴▴▦▪▦▴▴ ", " ▴▴▴▴▦▴▴▴▴ ", " ▴▴▦▴▦▴▴ ", " ▦▴▴▴▦ ", " ▴▴▴ ", " ▴ ", " ", " " ) ); }); it("135 degrees", () => { imgSrc .clone() .rotate(135, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", " ▴ ", " ▴▴▴ ", " ▦▴▴▴▦ ", " ▪▪▦▴▦▴▴ ", " ▪▪▪▪▦▴▴▴▴ ", " ▪▪▦▴▦▴▴ ", " ▦▴▴▴▦ ", " ▴▴▴ ", " ▴ ", " ", " " ) ); }); it("225 degrees", () => { imgSrc .clone() .rotate(225, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", " ▴ ", " ▴▴▴ ", " ▦▴▴▴▦ ", " ▴▴▦▴▦▴▴ ", " ▴▴▴▴▦▴▴▴▴ ", " ▴▴▦▪▦▴▴ ", " ▦▪▪▪▦ ", " ▪▪▪ ", " ▪ ", " ", " " ) ); }); it("315 degrees", () => { imgSrc .clone() .rotate(315, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", " ▴ ", " ▴▴▴ ", " ▦▴▴▴▦ ", " ▴▴▦▴▦▪▪ ", " ▴▴▴▴▦▪▪▪▪ ", " ▴▴▦▴▦▪▪ ", " ▦▴▴▴▦ ", " ▴▴▴ ", " ▴ ", " ", " " ) ); }); }); describe("Rotate a non-square image", () => { let imgSrc = null; before((done) => { jimp .read(mkJGD("▴▴▴▴▪▪▪▪", "▴▴▴▴▪▪▪▪", "▦▦▦▦▴▴▴▴", "▦▦▦▦▴▴▴▴")) .then((imgJimp) => { imgSrc = imgJimp; done(); }) .catch(done); }); it("1 degrees", () => { imgSrc .clone() .rotate(1, true) .getJGDSync() .should.be.sameJGD( mkJGD( "▴▴▴▴▪▪▪▪ ", "▴▴▴▴▪▪▪▪ ", "▦▦▦▦▴▴▴▴ ", "▦▦▦▦▴▴▴▴ ", " ", " " ) ); }); it("10 degrees", () => { imgSrc .clone() .rotate(10, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ▪ ", " ▴▴▴▪▪▪▪ ", "▴▴▴▴▪▪▪▴ ", "▴▴▦▦▴▴▴▴ ", "▦▦▦▦▴▴▴ ", "▦▦ ", " ", " " ) ); }); it("30 degrees", () => { imgSrc .clone() .rotate(30, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", " ▪▪ ", " ▪▪▪▪ ", " ▴▴▪▪▴▴▴ ", "▴▴▴▦▴▴▴ ", "▴▴▦▦▴▴ ", "▦▦▦▦ ", " ▦ ", " ", " " ) ); }); it("45 degrees", () => { imgSrc .clone() .rotate(45, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", " ▪▪ ", " ▪▪▪▴ ", " ▴▪▪▴▴▴ ", " ▴▴▴▴▴▴ ", "▴▴▴▦▦▴ ", "▴▴▦▦▦ ", " ▦▦▦ ", " ▦ ", " " ) ); }); it("90 degrees", () => { imgSrc .clone() .rotate(90, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", "▪▪▴▴ ", "▪▪▴▴ ", "▪▪▴▴ ", "▪▪▴▴ ", "▴▴▦▦ ", "▴▴▦▦ ", "▴▴▦▦ ", "▴▴▦▦ ", " " ) ); }); it("135 degrees", () => { imgSrc .clone() .rotate(135, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", " ▴ ", " ▴▴▴ ", " ▪▪▴▴▴ ", " ▪▪▪▴▦▦ ", " ▪▪▴▦▦▦ ", " ▴▴▴▦▦▦ ", " ▴▴▴▦ ", " ▴▴ ", " " ) ); }); it("180 degrees", () => { imgSrc .clone() .rotate(180, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ", " ▴▴▴▴▦▦▦▦ ", " ▴▴▴▴▦▦▦▦ ", " ▪▪▪▪▴▴▴▴ ", " ▪▪▪▪▴▴▴▴ ", " " ) ); }); it("225 degrees", () => { imgSrc .clone() .rotate(225, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ▦ ", " ▦▦▦ ", " ▦▦▦▴▴ ", " ▴▦▦▴▴▴ ", " ▴▴▴▴▴▴ ", " ▴▴▴▪▪▴ ", " ▴▪▪▪ ", " ▪▪ ", " ", " " ) ); }); it("315 degrees", () => { imgSrc .clone() .rotate(315, true) .getJGDSync() .should.be.sameJGD( mkJGD( " ▴▴ ", " ▦▴▴▴ ", "▦▦▦▴▴▴ ", " ▦▦▦▴▪▪ ", " ▦▦▴▪▪▪ ", " ▴▴▴▪▪ ", " ▴▴▴ ", " ▴ ", " ", " " ) ); }); });