Tips for resizing images within a sprite

I currently have a sprite containing images that are all sized 32 x 32, which I am utilizing in my project. However, there are certain instances where I would like to adjust the image size to 64 x 50 instead. Is there a CSS technique that would allow me to accomplish this?

Any guidance on this matter would be greatly valued. Thank you.

Answer №1

If you need to resize an image within a sprite, you can utilize the CSS property transform: scale(). Alternatively, the newer zoom property in CSS can also achieve the same effect.

For instance, if your image is 32 x 32 and you want it to be 64 x 64, simply multiply by 2. You can use the following code:

transform: scale(2.0);

// this will double the size of your image to 64 x 64.

You can also use zoom: 2; for the same effect.

To adjust the scaling differently along the x and y axes (for width and height), you can specify:

transform: scaleX(2.0);
transform: scaleY(1.5625);

This should give you the desired result :)

It's worth noting that the zoom property isn't supported in Firefox yet, which is strange considering that scale works across all browsers.

Browser support:
CSS Zoom
Scale

I hope this explanation helps!

Answer №2

To achieve this effect, you can utilize both the background-position and background-size properties.

For instance, in the following demonstration, a 50x50 original image is set as the background for elements sized at 100x100 and 100x75 (stretched):

#a1 {
  background: url(https://dummyimage.com/50x50/000/fff);
  width: 100px;
  height: 100px;
  background-position: 0 0;
  background-repeat: no-repeat;
  border: 1px solid red;
  background-size: 100px 100px;
}
#a2 {
  background: url(https://dummyimage.com/50x50/000/fff);
  width: 100px;
  height: 75px;
  background-position: 0 0;
  background-repeat: no-repeat;
  border: 1px solid red;
  background-size: 100px 75px;
}
<div id="a1"></div>
<br />
<div id="a2"></div>

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