36 lines
1.1 KiB
JavaScript
36 lines
1.1 KiB
JavaScript
#!/usr/bin/env node
|
|
'use strict';
|
|
|
|
var PNG = require('pngjs').PNG,
|
|
fs = require('fs'),
|
|
match = require('../.');
|
|
|
|
if (process.argv.length < 5) {
|
|
console.log('Usage: imagematch image1.png image2.png output.png [threshold=0.005] [includeAA=false]');
|
|
return;
|
|
}
|
|
|
|
var threshold = isNaN(+process.argv[5]) ? undefined : +process.argv[5],
|
|
includeAA = process.argv[6] === 'true';
|
|
|
|
var img1 = fs.createReadStream(process.argv[2]).pipe(new PNG()).on('parsed', doneReading);
|
|
var img2 = fs.createReadStream(process.argv[3]).pipe(new PNG()).on('parsed', doneReading);
|
|
|
|
function doneReading() {
|
|
if (!img1.data || !img2.data) return;
|
|
|
|
var diff = new PNG({width: img1.width, height: img1.height});
|
|
|
|
console.time('match');
|
|
var diffs = match(img1.data, img2.data, diff.data, diff.width, diff.height, {
|
|
threshold: threshold,
|
|
includeAA: includeAA
|
|
});
|
|
console.timeEnd('match');
|
|
|
|
diff.pack().pipe(fs.createWriteStream(process.argv[4]));
|
|
|
|
console.log('different pixels: ' + diffs);
|
|
console.log('error: ' + (Math.round(100 * 100 * diffs / (diff.width * diff.height)) / 100) + '%');
|
|
}
|