Babsan Difference Check

Developer
Carl Calderon
Size
4,122 Kb
Views
66,792
  1. Babsan Difference Check Previews
  2. Babsan Difference Check HTML Codes
  3. Babsan Difference Check CSS Codes
  4. Babsan Difference Check JS Codes

How do I make an babsan difference check?

What is a babsan difference check? How do you make a babsan difference check? This script and codes were developed by Carl Calderon on 30 July 2022, Saturday.

Babsan Difference Check Previews
IQ Test

Babsan Difference Check - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Babsan Difference Check</title> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/meyer-reset/2.0/reset.min.css"> <link rel="stylesheet" href="css/style.css">
</head>
<body> <h1>Babsan Difference Check</h1>
<div id="visuals"> A <canvas id="source" width="320" height="240"></canvas> B <canvas id="comparison" width="320" height="240"></canvas> C
</div>
<p id="score"></p>
<p id="result"></p> <script src="js/index.js"></script>
</body>
</html>

Babsan Difference Check - Script Codes CSS Codes

body { font: 16px/20px Helvectica, Arial, sans-serif; text-align: center;
}
h1 { font-size: 30px; margin: 30px;
}
canvas { border: 1px solid lightgrey; margin: 10px;
}
#result { font: 12px monospace;
}
#score { font-size: 50px; margin: 30px;
}
sub { font-size: 0.5em;
}
#visuals > * { vertical-align: middle;
}

Babsan Difference Check - Script Codes JS Codes

'use strict';
var getDifferenceByCanvas = function getDifferenceByCanvas(source, comparison) { var diffCanvas = document.createElement('canvas'); var diffContext = diffCanvas.getContext('2d'); diffCanvas.width = source.width; diffCanvas.height = source.height; var sourceContext = source.getContext('2d'); var comparisonContext = comparison.getContext('2d'); var sourceImageData = sourceContext.getImageData(0, 0, source.width, source.height).data; var comparisonImageData = comparisonContext.getImageData(0, 0, comparison.width, comparison.height).data; var diffImageData = diffContext.getImageData(0, 0, diffCanvas.width, diffCanvas.height); var pixelDifference = 0; var pixelsWithDifference = 0; var rawDifference = sourceImageData.reduce(function (accumulator, uint, index) { var delta = Math.abs(uint - comparisonImageData[index]); diffImageData.data[index] = 255 - delta; pixelDifference += delta; if (index % 4 === 0) { if (pixelDifference > 0) { pixelsWithDifference++; } pixelDifference = 0; } return accumulator + delta; }, 0); diffContext.putImageData(diffImageData, 0, 0); return { raw: rawDifference, diff: rawDifference / (sourceImageData.length * 255), max: sourceImageData.length * 255, visual: diffCanvas, rawPixels: pixelsWithDifference, diffPixels: pixelsWithDifference / (source.width * source.height), maxPixels: source.width * source.height };
};
// ------------------------------------------------------------------------------------
var source = document.getElementById('source');
var comparison = document.getElementById('comparison');
var sourceContext = source.getContext('2d');
var comparisonContext = comparison.getContext('2d');
var loadImages = function loadImages(source, comparison) { return new Promise(function (resolve, reject) { var sourceImage = new Image(); var comparisonImage = new Image(); sourceImage.crossOrigin = 'Anonymous'; comparisonImage.crossOrigin = 'Anonymous'; sourceImage.src = source; comparisonImage.src = comparison; var count = 0; var handleLoad = function handleLoad() { if (++count == 2) resolve({ source: sourceImage, comparison: comparisonImage }); }; sourceImage.addEventListener('load', handleLoad); comparisonImage.addEventListener('load', handleLoad); });
};
loadImages('https://s3-us-west-2.amazonaws.com/s.cdpn.io/7239/babsan.png', 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/7239/babsan-text.png').then(function (_ref) { var source = _ref.source; var comparison = _ref.comparison; sourceContext.drawImage(source, 0, 0); comparisonContext.drawImage(comparison, 0, 0);
}).then(function () { return getDifferenceByCanvas(source, comparison);
}).then(function (_ref2) { var raw = _ref2.raw; var diff = _ref2.diff; var max = _ref2.max; var visual = _ref2.visual; var rawPixels = _ref2.rawPixels; var diffPixels = _ref2.diffPixels; var maxPixels = _ref2.maxPixels; document.getElementById('result').innerHTML = 'raw: ' + raw + ' diff: ' + diff + ' raw pixels: ' + rawPixels + ' diff pixels: ' + diffPixels + ' max pixels: ' + maxPixels; document.getElementById('visuals').appendChild(visual); document.getElementById('score').innerHTML = Number(diffPixels * 100).toFixed(2) + '%<sub>p</sub> (' + Number(diff * 100).toFixed(2) + '%<sub>r</sub>)';
});
Babsan Difference Check - Script Codes
Babsan Difference Check - Script Codes
Home Page Home
Developer Carl Calderon
Username carlcalderon
Uploaded July 30, 2022
Rating 3
Size 4,122 Kb
Views 66,792
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