canvas resize canvas
(window.onresize = () => {
canvas.width = innerWidth, canvas.height = innerHeight;
})();canvas resize canvas
(window.onresize = () => {
canvas.width = innerWidth, canvas.height = innerHeight;
})();how to stop canvas resizing from resizing images
//You just need to calculate the image aspect ratio:
var f = image.height / image.width;
var newHeight = canvas.width * f;
//And then draw using the recalculated height of image for destination:
ctx.drawImage(image, 0, 0, image.width, image.height, // source size
0, 0, canvas.width, newHeight); // destination size
//Canvas will do the clipping for you.
//If you want to lets say center the destination vertical position you can do:
var destY = (canvas.height - image.height) / 2;
ctx.drawImage(image, 0, 0, image.width, image.height, // source size
0, destY, canvas.width, newHeight); // destination sizeCopyright © 2021 Codeinu
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