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import { Jimp, mkJGD, hashForEach } from "@jimp/test-utils";
import configure from "@jimp/custom";
import resize from "../src";
import { expectToBeJGD } from "@jimp/test-utils/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, () => {
expectToBeJGD(
test.src.clone().resize(size[0], size[1], mode).getJGDSync(),
expectedJgd
);
});
});
});
}
testImages.forEach(testEach);
});