Seeking assistance! I am looking to pixelate an image after a jQuery event without using plugins like pixelate.js as they are not suitable for my project.
Is it possible, through CSS or JavaScript, to automatically change the image to a smaller version with the same pixelated effect achieved by setting image-rendering: pixelated?
Apologies for any language mistakes and thank you in advance!
If you're looking to achieve this effect using HTML5's canvas element, it involves taking an image and drawing it onto a small canvas before stretching the canvas to fit the original image size. Check out the code snippet below for a demonstration:
$('.image-container').each(function() {
var canvas = $(this).children('canvas').get(0),
ctx = canvas.getContext('2d'),
image = $(this).children('img').get(0),
imageWidth = $(image).width(),
imageHeight = $(image).height(),
scaleFactor = 0.05;
canvas.width = scaleFactor * imageWidth;
canvas.height = scaleFactor * imageHeight;
ctx.drawImage(image, 0, 0, canvas.width, canvas.height);
$(canvas).width(imageWidth);
$(canvas).height(imageWidth);
});
$('#toggle-pixelization').on('click', function() {
$('.image-container').children().toggleClass('hidden')
});.hidden {
display: none;
}
.image-container canvas {
image-rendering: -moz-crisp-edges;
image-rendering: -o-crisp-edges;
image-rendering: -webkit-optimize-contrast;
image-rendering: crisp-edges;
-ms-interpolation-mode: nearest-neighbor;
}<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="image-container">
<img src="https://placekitten.com/150/150" />
<canvas class="hidden"></canvas>
</div>
<button id="toggle-pixelization">Toggle Pixelization</button>img {
height: 100%;
width: 100%;
}
To ensure that the image always maintains the maximum size of its parent element, you can set the dimensions of the img to be equal to the parent's dimensions. This way, as the parent element resizes, the image will resize proportionally.
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