Consistent image dimensions regardless of device pixel ratio

Question

Consistent image dimensions regardless of device pixel ratio

I'm currently facing a challenge in ensuring that an image remains the same size (250 pixels) across all devices and browsers. The issue lies with the device pixel ratio, where on devices with a ratio higher than 1, the image appears tiny until zoomed in, similar to how it would appear on a regular browser.

My main query is whether there exists a way to maintain a consistent actual size for the image using CSS or, if necessary, JavaScript. Can the size be fixed without allowing it to get any smaller or larger?

javascript android css

Answer 1

Answer №1

It seems like you are looking to establish a consistent viewport ratio.

To achieve this, include the following code in your <head>:

<meta content="width=device-width, initial-scale=1.0" name="viewport">

Answer 2

It seems like you are looking to establish a consistent viewport ratio.

To achieve this, include the following code in your <head>:

<meta content="width=device-width, initial-scale=1.0" name="viewport">

Answer 3

Answer №2

To ensure consistency in display across all devices, you can enclose the image within a div container as shown below:

<div id='pictureContainer'>
    <img src='myImage.jpg' class='imageStyle' />
</div>

Next, style the div container and image using CSS for desired size and positioning:

#pictureContainer {
    height: 300px;
    width: 300px;
    overflow: hidden;
}

.imageStyle {
    position: relative;
}

By implementing this structure, your image will maintain uniform dimensions across various screen sizes.

Answer 4

To ensure consistency in display across all devices, you can enclose the image within a div container as shown below:

<div id='pictureContainer'>
    <img src='myImage.jpg' class='imageStyle' />
</div>

Next, style the div container and image using CSS for desired size and positioning:

#pictureContainer {
    height: 300px;
    width: 300px;
    overflow: hidden;
}

.imageStyle {
    position: relative;
}

By implementing this structure, your image will maintain uniform dimensions across various screen sizes.

Answer 5

Answer №3

Here is a simple workaround I came up with that doesn't rely too heavily on javascript:

Add the following script right after </body>:

<script type="text/javascript" id="script-after-body">
document.body.style.setProperty('--device-pixel-ratio', devicePixelRatio);
window.addEventListener('resize',e=>{
  document.body.style.setProperty('--device-pixel-ratio', devicePixelRatio);
});
</script>

Include this in the styling of the <img> tag:

width: calc(300px / var(--device-pixel-ratio));

Unlike more complex solutions, this method requires you to specify the expected image size value in CSS.

Answer 6

Here is a simple workaround I came up with that doesn't rely too heavily on javascript:

Add the following script right after </body>:

<script type="text/javascript" id="script-after-body">
document.body.style.setProperty('--device-pixel-ratio', devicePixelRatio);
window.addEventListener('resize',e=>{
  document.body.style.setProperty('--device-pixel-ratio', devicePixelRatio);
});
</script>

Include this in the styling of the <img> tag:

width: calc(300px / var(--device-pixel-ratio));

Unlike more complex solutions, this method requires you to specify the expected image size value in CSS.

Consistent image dimensions regardless of device pixel ratio

Answer №1

Answer №2

Answer №3

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