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282 lines (239 loc) · 7.6 KB
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const {Promise} = require('bluebird');
const sharp = require('sharp');
const Image = require('./lib/image');
const PngJsImage = require('./lib/image/index-pngjs');
const OldImage = require('./lib/image/index-old');
const fs = require('fs');
const util = require('util');
const _ = require('lodash');
const {performance, PerformanceObserver} = require('perf_hooks');
let imagesToJoin,
library;
(async function() {
const array = createPerformanceObserver();
const images = await generateImages();
const libs = [
'pngjs',
'sharp',
'png_img'
];
for (const lib of libs) {
await testLib(lib, images);
}
const results = prepareResults(array);
await util.promisify(fs.writeFile.bind(fs))('test-result.json', JSON.stringify(results, null, 4));
})()
.then(res => res && console.log(res))
.catch(console.error);
function createPerformanceObserver() {
const array = [];
const obs = new PerformanceObserver((list) => {
const entry = list.getEntries()[0];
array.push(entry);
});
obs.observe({entryTypes: ['measure']});
return array;
}
async function generateImages() {
const images = [
// {width: 50, height: 50},
{width: 10, height: 10},
{width: 100, height: 100},
{width: 1000, height: 1000},
{width: 1000, height: 2000},
{width: 2000, height: 1000},
{width: 2000, height: 2000},
{width: 4000, height: 2000},
{width: 2000, height: 4000},
{width: 4000, height: 4000}
];
return Promise.all(images.map(async image => ({
name: `${image.width}x${image.height}`,
base64: (await sharp({
create: {
channels: 3,
background: {r: 255, g: 255, b: 255},
width: image.width,
height: image.height
}
}).png().toBuffer()).toString('base64')
})));
}
async function testLib(lib, images) {
if (lib === 'pngjs') {
library = PngJsImage;
} else if (lib === 'sharp') {
library = Image;
} else {
library = OldImage;
}
imagesToJoin = images.reduce((res, {name, base64}) => ({
[name]: library.fromBase64(base64),
...res
}), {});
await pW(`${lib}-total`, async () => {
for (const {name, base64} of images) {
await pW(`${lib}-${name}-total`, () => testImage(lib, name, base64));
}
});
}
async function pW(markName, fn) {
performance.mark(`${markName}-start`, {
startTime: Date.now()
});
try {
return await fn();
} finally {
performance.measure(markName, `${markName}-start`);
}
}
async function testImage(lib, name, base64) {
const image = await pW(`${lib}-${name}-fromBase64`, () => library.fromBase64(base64));
const size = await pW(`${lib}-${name}-getSize`, () => image.getSize());
// const image = sharp({
// create: {
// channels: 3,
// background: '#fff',
// width: 50,
// height: 50
// }
// });
// console.log('image.options.composite', image.options.composite);
// image.composite([{
// input: {
// create: {
// channels: 3,
// background: '#00f',
// width: 40,
// height: 40
// }
// },
// left: 10,
// top: 10
// }]);
// await image.clear({
// left: 10,
// top: 10,
// width: 40,
// height: 40
// });
// console.log('image.options.composite', image.options.composite);
// await image.crop({
// left: 1,
// top: 1,
// width: 10,
// height: 10
// });
// await image.save('test.png');
// if (name.split('x').every(dimension => Number(dimension) <= 1000)) {
// await pW(`${lib}-${name}-getRGBA`, async () => {
// for (let x = 0; x < size.width; x++) {
// for (let y = 0; y < size.height; y++) {
// await image.getRGBA(x, y);
// }
// }
// });
// }
await pW(`${lib}-${name}-clear`, () => image.clear({
left: Math.round(size.width / 4),
top: Math.round(size.height / 4),
width: size.width / 2,
height: size.height / 2
}));
// await imagesToJoin[name].clear({
// left: 250,
// top: 250,
// width: 600,
// height: 600
// });
// await imagesToJoin[name].save('test.png');
// await imagesToJoin[name].crop({
// left: 500,
// top: 500,
// width: 700,
// height: 700
// });
// await imagesToJoin[name].save('test.png');
// console.log('imagesToJoin[name]._img.options.composite', imagesToJoin[name]._img.options.composite);
// console.log('size', size);
// console.log('await imagesToJoin[name].getSize()', await imagesToJoin[name].getSize());
// console.log({
// left: Math.round(size.width / 2),
// top: Math.round(size.height / 2),
// width: size.width / 2,
// height: size.height / 2
// });
await imagesToJoin[name].crop({
left: Math.round(size.width / 4),
top: Math.round(size.height / 4),
width: size.width / 2,
height: size.height / 2
});
await pW(`${lib}-${name}-crop`, () => imagesToJoin[name].crop({
left: Math.round(size.width / 4),
top: Math.round(size.height / 4),
width: size.width / 2,
height: size.height / 2
}));
// await pW(`${lib}-${name}-crop_horizontal`, () => imagesToJoin[name].crop({
// left: 0,
// top: Math.round(size.height / 4),
// width: size.width,
// height: size.height / 2
// }));
// await pW(`${lib}-${name}-crop_vertical`, () => imagesToJoin[name].crop({
// left: 0,
// top: 0,
// width: size.width / 2,
// height: size.height / 2
// }));
await pW(`${lib}-${name}-join`, async () => {
if (lib === 'sharp') {
return image.join([
imagesToJoin[name],
imagesToJoin[name],
imagesToJoin[name],
imagesToJoin[name],
imagesToJoin[name],
imagesToJoin[name],
imagesToJoin[name]
]);
}
await image.join(imagesToJoin[name]);
await image.join(imagesToJoin[name]);
await image.join(imagesToJoin[name]);
await image.join(imagesToJoin[name]);
await image.join(imagesToJoin[name]);
await image.join(imagesToJoin[name]);
await image.join(imagesToJoin[name]);
});
await pW(`${lib}-${name}-save`, () => image.save(`test-${name}.png`));
}
function prepareResults(performanceEntries) {
return _(performanceEntries)
.groupBy(entry => getLibName(entry.name))
.mapValues((entries) => {
return _(entries)
.groupBy(entry => getImgName(entry.name))
.mapValues((entries, imgName) => {
if (imgName === 'total') {
return entries[0].duration;
}
return entries.reduce((res, entry) => ({
...res,
[getActionName(entry.name)]: entry.duration
}), {});
})
.value();
})
.value();
}
function getLibName(entryName) {
return entryName.split('-')[0];
}
function getImgName(entryName) {
return entryName.split('-')[1];
}
function getActionName(entryName) {
return entryName.split('-')[2];
}