CoCalc -- resize.test.js

GitHub Repository: MR414N-ID/botku2
Path: blob/master/node_modules/@jimp/plugin-resize/test/resize.test.js
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import { Jimp, mkJGD, hashForEach } from '@jimp/test-utils';
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import configure from '@jimp/custom';
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import resize from '../src';
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const jimp = configure({ plugins: [resize] }, Jimp);
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describe('Resize images', () => {
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  const testImages = [
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    {
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      title: 'max contrast 8x8',
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      src: jimp.read(
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        mkJGD(
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          '■■■■□□□□',
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          '■■■■□□□□',
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          '■■■■□□□□',
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          '■■■■□□□□',
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          '□□□□■■■■',
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          '□□□□■■■■',
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          '□□□□■■■■',
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          '□□□□■■■■'
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        )
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      ),
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      results: {
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        'default 4x4': mkJGD('■■□□', '■■□□', '□□■■', '□□■■'),
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        'NEAREST_NEIGHBOR 4x4': mkJGD('■■□□', '■■□□', '□□■■', '□□■■'),
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        'BILINEAR 4x4': mkJGD('■■□□', '■■□□', '□□■■', '□□■■'),
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        'BICUBIC 4x4': {
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          width: 4,
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          height: 4,
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          data: [
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            0x000000ff,
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            0x000000ff,
34
            0xbfbfbfff,
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            0xffffffff,
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            0x000000ff,
37
            0x000000ff,
38
            0xbfbfbfff,
39
            0xffffffff,
40
            0xbfbfbfff,
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            0xbfbfbfff,
42
            0x5f5f5fff,
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            0x404040ff,
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            0xffffffff,
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            0xffffffff,
46
            0x404040ff,
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            0x000000ff
48
          ]
49
        },
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        'HERMITE 4x4': {
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          width: 4,
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          height: 4,
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          data: [
54
            0x000000ff,
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            0x000000ff,
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            0xc0c0c0ff,
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            0xffffffff,
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            0x000000ff,
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            0x000000ff,
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            0xc0c0c0ff,
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            0xffffffff,
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            0xc0c0c0ff,
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            0xc0c0c0ff,
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            0x606060ff,
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            0x404040ff,
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            0xffffffff,
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            0xffffffff,
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            0x404040ff,
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            0x000000ff
70
          ]
71
        },
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        'BEZIER 4x4': {
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          width: 4,
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          height: 4,
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          data: [
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            0x000000ff,
77
            0x000000ff,
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            0xc0c0c0ff,
79
            0xffffffff,
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            0x000000ff,
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            0x000000ff,
82
            0xc0c0c0ff,
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            0xffffffff,
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            0xc0c0c0ff,
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            0xc0c0c0ff,
86
            0x606060ff,
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            0x404040ff,
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            0xffffffff,
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            0xffffffff,
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            0x404040ff,
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            0x000000ff
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          ]
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        },
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        'default 5x2': mkJGD('■■▦□□', '□□▦■■'),
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        'NEAREST_NEIGHBOR 5x2': mkJGD('■■■□□', '□□□■■'),
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        'BILINEAR 5x2': mkJGD('■■3□□', '□□C■■'),
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        'BICUBIC 5x2': {
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          width: 5,
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          height: 2,
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          data: [
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            0x000000ff,
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            0x000000ff,
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            0x000000ff,
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            0xffffffff,
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            0xffffffff,
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            0xdfdfdfff,
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            0xdfdfdfff,
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            0xdfdfdfff,
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            0x202020ff,
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            0x202020ff
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          ]
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        },
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        'HERMITE 5x2': {
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          width: 5,
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          height: 2,
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          data: [
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            0x000000ff,
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            0x000000ff,
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            0x000000ff,
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            0xffffffff,
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            0xffffffff,
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            0xdfdfdfff,
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            0xdfdfdfff,
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            0xdfdfdfff,
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            0x202020ff,
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            0x202020ff
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          ]
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        },
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        'BEZIER 5x2': {
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          width: 5,
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          height: 2,
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          data: [
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            0x000000ff,
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            0x000000ff,
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            0x000000ff,
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            0xffffffff,
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            0xffffffff,
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            0xdfdfdfff,
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            0xdfdfdfff,
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            0xdfdfdfff,
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            0x202020ff,
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            0x202020ff
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          ]
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        }
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      }
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    },
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    /**********************************************************************/
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    {
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      title: 'max contrast 12x12 with dots',
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      src: jimp.read(
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        mkJGD(
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          '■■■■■■□□□□□□',
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          '■■■■■■□□□□□□',
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          '■■■□■■□□■□□□',
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          '■■■■■■□□□□□□',
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          '■■■■■■□□□□□□',
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          '■■■■■■□□□□□□',
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          '□□□□□□■■■■■■',
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          '□□□□□□■■■■■■',
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          '□□□□□□■■■■■■',
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          '□□□■□□■■□■■■',
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          '□□□□□□■■■■■■',
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          '□□□□□□■■■■■■'
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        )
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      ),
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      results: {
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        'default 6x6': mkJGD(
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          '■■■□□□',
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          '■▩■□▥□',
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          '■■■□□□',
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          '□□□■■■',
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          '□▥□■▩■',
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          '□□□■■■'
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        ),
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        'NEAREST_NEIGHBOR 6x6': mkJGD(
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          '■■■□□□',
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          '■■■□■□',
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          '■■■□□□',
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          '□□□■■■',
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          '□□□■■■',
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          '□□□■■■'
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        ),
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        'BILINEAR 6x6': mkJGD(
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          '■■■□□□',
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          '■■■□■□',
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          '■■■□□□',
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          '□□□■■■',
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          '□□□■■■',
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          '□□□■■■'
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        ),
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        'BICUBIC 6x6': {
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          width: 6,
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          height: 6,
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          data: [
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            0x000000ff,
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            0x000000ff,
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            0x000000ff,
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            0xbfbfbfff,
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            0xffffffff,
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            0xffffffff,
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            0x000000ff,
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            0x474747ff,
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            0x202020ff,
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            0xbfbfbfff,
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            0x979797ff,
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            0xffffffff,
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            0x000000ff,
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            0x000000ff,
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            0x000000ff,
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            0xbfbfbfff,
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            0xffffffff,
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            0xffffffff,
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            0xbfbfbfff,
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            0xbfbfbfff,
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            0xbfbfbfff,
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            0x5f5f5fff,
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            0x404040ff,
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            0x404040ff,
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            0xffffffff,
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            0xeeeeeeff,
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            0xf7f7f7ff,
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            0x404040ff,
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            0x181818ff,
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            0x000000ff,
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            0xffffffff,
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            0xc9c9c9ff,
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            0xe6e6e6ff,
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            0x404040ff,
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            0x4e4e4eff,
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            0x000000ff
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          ]
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        },
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        'HERMITE 6x6': {
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          width: 6,
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          height: 6,
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          data: [
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            0x000000ff,
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            0x000000ff,
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            0x000000ff,
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            0xc0c0c0ff,
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            0xffffffff,
242
            0xffffffff,
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            0x000000ff,
244
            0x404040ff,
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            0x191919ff,
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            0xc0c0c0ff,
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            0xa6a6a6ff,
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            0xffffffff,
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            0x000000ff,
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            0x000000ff,
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            0x000000ff,
252
            0xc0c0c0ff,
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            0xffffffff,
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            0xffffffff,
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            0xc0c0c0ff,
256
            0xc0c0c0ff,
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            0xc0c0c0ff,
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            0x606060ff,
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            0x404040ff,
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            0x404040ff,
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            0xffffffff,
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            0xf3f3f3ff,
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            0xfafafaff,
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            0x404040ff,
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            0x111111ff,
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            0x000000ff,
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            0xffffffff,
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            0xcbcbcbff,
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            0xebebebff,
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            0x404040ff,
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            0x484848ff,
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            0x000000ff
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          ]
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        },
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        'BEZIER 6x6': {
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          width: 6,
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          height: 6,
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          data: [
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            0x000000ff,
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            0x000000ff,
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            0x000000ff,
282
            0xc0c0c0ff,
283
            0xffffffff,
284
            0xffffffff,
285
            0x000000ff,
286
            0x444444ff,
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            0x1d1d1dff,
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            0xc0c0c0ff,
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            0x9f9f9fff,
290
            0xffffffff,
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            0x000000ff,
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            0x000000ff,
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            0x000000ff,
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            0xc0c0c0ff,
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            0xffffffff,
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            0xffffffff,
297
            0xc0c0c0ff,
298
            0xc0c0c0ff,
299
            0xc0c0c0ff,
300
            0x606060ff,
301
            0x404040ff,
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            0x404040ff,
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            0xffffffff,
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            0xf0f0f0ff,
305
            0xf9f9f9ff,
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            0x404040ff,
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            0x151515ff,
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            0x000000ff,
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            0xffffffff,
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            0xcacacaff,
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            0xe9e9e9ff,
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            0x404040ff,
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            0x4b4b4bff,
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            0x000000ff
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          ]
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        }
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      }
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    },
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    /**********************************************************************/
320
    {
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      title: 'mutch contrast 4x4',
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      src: jimp.read(mkJGD('▩▩▥▥', '▩▩▥▥', '▥▥▩▩', '▥▥▩▩')),
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      results: {
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        'default 6x6': {
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          width: 6,
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          height: 6,
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          data: [
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            0x404040ff,
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            0x404040ff,
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            0x404040ff,
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            0x959595ff,
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            0xbfbfbfff,
333
            0xbfbfbfff,
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            0x404040ff,
335
            0x404040ff,
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            0x404040ff,
337
            0x959595ff,
338
            0xbfbfbfff,
339
            0xbfbfbfff,
340
            0x404040ff,
341
            0x404040ff,
342
            0x404040ff,
343
            0x959595ff,
344
            0xbfbfbfff,
345
            0xbfbfbfff,
346
            0x959595ff,
347
            0x959595ff,
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            0x959595ff,
349
            0x787878ff,
350
            0x6a6a6aff,
351
            0x6a6a6aff,
352
            0xbfbfbfff,
353
            0xbfbfbfff,
354
            0xbfbfbfff,
355
            0x6a6a6aff,
356
            0x404040ff,
357
            0x404040ff,
358
            0xbfbfbfff,
359
            0xbfbfbfff,
360
            0xbfbfbfff,
361
            0x6a6a6aff,
362
            0x404040ff,
363
            0x404040ff
364
          ]
365
        },
366
        'NEAREST_NEIGHBOR 6x6': {
367
          width: 6,
368
          height: 6,
369
          data: [
370
            0x404040ff,
371
            0x404040ff,
372
            0x404040ff,
373
            0xbfbfbfff,
374
            0xbfbfbfff,
375
            0xbfbfbfff,
376
            0x404040ff,
377
            0x404040ff,
378
            0x404040ff,
379
            0xbfbfbfff,
380
            0xbfbfbfff,
381
            0xbfbfbfff,
382
            0x404040ff,
383
            0x404040ff,
384
            0x404040ff,
385
            0xbfbfbfff,
386
            0xbfbfbfff,
387
            0xbfbfbfff,
388
            0xbfbfbfff,
389
            0xbfbfbfff,
390
            0xbfbfbfff,
391
            0x404040ff,
392
            0x404040ff,
393
            0x404040ff,
394
            0xbfbfbfff,
395
            0xbfbfbfff,
396
            0xbfbfbfff,
397
            0x404040ff,
398
            0x404040ff,
399
            0x404040ff,
400
            0xbfbfbfff,
401
            0xbfbfbfff,
402
            0xbfbfbfff,
403
            0x404040ff,
404
            0x404040ff,
405
            0x404040ff
406
          ]
407
        },
408
        'BILINEAR 6x6': {
409
          width: 6,
410
          height: 6,
411
          data: [
412
            0x404040ff,
413
            0x404040ff,
414
            0x6a6a6aff,
415
            0xbfbfbfff,
416
            0xbfbfbfff,
417
            0xbfbfbfff,
418
            0x404040ff,
419
            0x404040ff,
420
            0x6a6a6aff,
421
            0xbfbfbfff,
422
            0xbfbfbfff,
423
            0xbfbfbfff,
424
            0x6a6a6aff,
425
            0x6a6a6aff,
426
            0x787878ff,
427
            0x959595ff,
428
            0x959595ff,
429
            0x959595ff,
430
            0xbfbfbfff,
431
            0xbfbfbfff,
432
            0x959595ff,
433
            0x404040ff,
434
            0x404040ff,
435
            0x404040ff,
436
            0xbfbfbfff,
437
            0xbfbfbfff,
438
            0x959595ff,
439
            0x404040ff,
440
            0x404040ff,
441
            0x404040ff,
442
            0xbfbfbfff,
443
            0xbfbfbfff,
444
            0x959595ff,
445
            0x404040ff,
446
            0x404040ff,
447
            0x404040ff
448
          ]
449
        },
450
        'BICUBIC 6x6': {
451
          width: 6,
452
          height: 6,
453
          data: [
454
            0x404040ff,
455
            0x303030ff,
456
            0x404040ff,
457
            0x7f7f7fff,
458
            0xbfbfbfff,
459
            0xcececeff,
460
            0x303030ff,
461
            0x1c1c1cff,
462
            0x303030ff,
463
            0x7f7f7fff,
464
            0xcececeff,
465
            0xe1e1e1ff,
466
            0x404040ff,
467
            0x303030ff,
468
            0x404040ff,
469
            0x7f7f7fff,
470
            0xbfbfbfff,
471
            0xcececeff,
472
            0x7f7f7fff,
473
            0x7f7f7fff,
474
            0x7f7f7fff,
475
            0x7f7f7fff,
476
            0x7f7f7fff,
477
            0x7f7f7fff,
478
            0xbfbfbfff,
479
            0xcececeff,
480
            0xbfbfbfff,
481
            0x7f7f7fff,
482
            0x404040ff,
483
            0x303030ff,
484
            0xcececeff,
485
            0xe1e1e1ff,
486
            0xcececeff,
487
            0x7f7f7fff,
488
            0x303030ff,
489
            0x1c1c1cff
490
          ]
491
        },
492
        'HERMITE 6x6': {
493
          width: 6,
494
          height: 6,
495
          data: [
496
            0x404040ff,
497
            0x383838ff,
498
            0x404040ff,
499
            0x808080ff,
500
            0xbfbfbfff,
501
            0xc7c7c7ff,
502
            0x383838ff,
503
            0x2f2f2fff,
504
            0x383838ff,
505
            0x808080ff,
506
            0xc7c7c7ff,
507
            0xd0d0d0ff,
508
            0x404040ff,
509
            0x383838ff,
510
            0x404040ff,
511
            0x808080ff,
512
            0xbfbfbfff,
513
            0xc7c7c7ff,
514
            0x808080ff,
515
            0x808080ff,
516
            0x808080ff,
517
            0x808080ff,
518
            0x808080ff,
519
            0x808080ff,
520
            0xbfbfbfff,
521
            0xc7c7c7ff,
522
            0xbfbfbfff,
523
            0x808080ff,
524
            0x404040ff,
525
            0x383838ff,
526
            0xc7c7c7ff,
527
            0xd0d0d0ff,
528
            0xc7c7c7ff,
529
            0x808080ff,
530
            0x383838ff,
531
            0x2f2f2fff
532
          ]
533
        },
534
        'BEZIER 6x6': {
535
          width: 6,
536
          height: 6,
537
          data: [
538
            0x404040ff,
539
            0x343434ff,
540
            0x404040ff,
541
            0x808080ff,
542
            0xbfbfbfff,
543
            0xcbcbcbff,
544
            0x343434ff,
545
            0x262626ff,
546
            0x343434ff,
547
            0x808080ff,
548
            0xcbcbcbff,
549
            0xd9d9d9ff,
550
            0x404040ff,
551
            0x343434ff,
552
            0x404040ff,
553
            0x808080ff,
554
            0xbfbfbfff,
555
            0xcbcbcbff,
556
            0x808080ff,
557
            0x808080ff,
558
            0x808080ff,
559
            0x808080ff,
560
            0x808080ff,
561
            0x808080ff,
562
            0xbfbfbfff,
563
            0xcbcbcbff,
564
            0xbfbfbfff,
565
            0x808080ff,
566
            0x404040ff,
567
            0x343434ff,
568
            0xcbcbcbff,
569
            0xd9d9d9ff,
570
            0xcbcbcbff,
571
            0x808080ff,
572
            0x343434ff,
573
            0x262626ff
574
          ]
575
        }
576
      }
577
    }
578
  ];
579

580
  before(done => {
581
    const srcImgs = testImages.map(test => test.src);
582
    Promise.all(srcImgs)
583
      .then(imgsJimp => {
584
        for (let i = 0; i < imgsJimp.length; i++) {
585
          testImages[i].src = imgsJimp[i];
586
        }
587

588
        done();
589
      })
590
      .catch(done);
591
  });
592

593
  function testEach(test) {
594
    describe(test.title, () => {
595
      hashForEach(test.results, (expectedTitle, expectedJgd) => {
596
        const mode = Jimp['RESIZE_' + expectedTitle.split(' ')[0]];
597
        const size = expectedTitle
598
          .split(' ')[1]
599
          .split('x')
600
          .map(n => parseInt(n, 10));
601
        it('to ' + expectedTitle, () => {
602
          test.src
603
            .clone()
604
            .resize(size[0], size[1], mode)
605
            .getJGDSync()
606
            .should.be.sameJGD(expectedJgd);
607
        });
608
      });
609
    });
610
  }
611

612
  testImages.forEach(testEach);
613
});
614

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