import { describe, expect, test } from "vitest";
import { createJimp } from "@jimp/core";
import { makeTestImage } from "@jimp/test-utils";
import { methods } from "./index.js";
const jimp = createJimp({ plugins: [methods] });
describe("Rotate a image with even size", () => {
const imgSrc = jimp.fromBitmap(
makeTestImage(
"▰▴▴▴▪▪▪▰",
"▴▴▴▴▪▪▪▪",
"▴▴▴▴▪▪▪▪",
"▴▴▴▴▪▪▪▪",
"▪▪▪▪▴▴▴▴",
"▪▪▪▪▴▴▴▴",
"▪▪▪▪▴▴▴▴",
"▦▪▪▪▴▴▴▦",
),
);
const angles = [
1, 91, 30, 45, 60, 90, -90, 120, 135, 180, 225, 270, 315, 360,
];
angles.forEach((angle) => {
test(`${angle} degrees`, () => {
expect(imgSrc.clone().rotate(angle)).toMatchSnapshot();
});
});
});
describe("Rotate a image with odd size", () => {
const imgSrc = jimp.fromBitmap(
makeTestImage(
"▴▴▴▦▪▪▪",
"▴▴▴▦▪▪▪",
"▴▴▴▦▪▪▪",
"▦▦▦▦▦▦▦",
"▴▴▴▦▴▴▴",
"▴▴▴▦▴▴▴",
"▴▴▴▦▴▴▴",
),
);
const angles = [45, 135, 225, 315];
angles.forEach((angle) => {
test(`${angle} degrees`, () => {
expect(imgSrc.clone().rotate(angle)).toMatchSnapshot();
});
});
});
describe("Rotate a non-square image", () => {
const imgSrc = jimp.fromBitmap(
makeTestImage("▴▴▴▴▪▪▪▪", "▴▴▴▴▪▪▪▪", "▦▦▦▦▴▴▴▴", "▦▦▦▦▴▴▴▴"),
);
const angles = [1, 10, 30, 45, 90, -90, 135, 180, 225, 315, -180, -270];
angles.forEach((angle) => {
test(`${angle} degrees`, () => {
expect(imgSrc.clone().rotate(angle)).toMatchSnapshot();
});
});
});
describe("Rotate a non-square image without resizing", () => {
const imgSrc = jimp.fromBitmap(
makeTestImage("□□□□□□□□", "▹▹▹▹▹▹▹▹", "▿▿▿▿▿▿▿▿", "□□□□□□□□"),
);
const angles = [90, 180, 270, 45];
angles.forEach((angle) => {
test(`${angle} degrees`, () => {
expect(
imgSrc.clone().rotate({ deg: angle, mode: false }),
).toMatchSnapshot();
});
});
});
