What is causing the image to become distorted on the canvas?

Despite specifying the image dimensions to be 50px by 50px, it appears stretched on the y-axis like this. View Stretched Image

I suspect that the issue lies with the CSS styling applied. Here is my current CSS code:

canvas {
    background-color: green;
    padding: 0;
    margin: auto;
    display: block;
    height: 700px;
    width: 700px;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

If you have any insights on why the image is stretched, please share them with me.

javascriptcsshtml5-canvas

Answer №1

When adjusting the width and height using CSS, the initial aspect ratio of the canvas is not updated. This aspect ratio is determined by the attributes within the element itself, such as: 

<canvas width="X" height="Y">

If you have a fixed size for your canvas, it's best to modify the width and height directly in the canvas tag attributes.

However, if the size of your canvas is dynamic, you may need to utilize JavaScript to make these updates. Here's an example:

const canvasElement = document.getElementById('mycanvas');
canvasElement.setAttribute('width', '700');
canvasElement.setAttribute('height', '700');

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