I noticed that when I use transform: scale(1.1); on hover for a specific element, the image appears blurry. Any suggestions on how to resolve this issue?
Here is an example:
I noticed that when I use transform: scale(1.1); on hover for a specific element, the image appears blurry. Any suggestions on how to resolve this issue?
Here is an example:
I gave this a shot and it worked perfectly for my situation!
img {
-webkit-backface-visibility: hidden;
-ms-transform: translateZ(0); /* IE 9 */
-webkit-transform: translateZ(0); /* Chrome, Safari, Opera */
transform: translateZ(0);
}
Summary: The use of transform: scale is actually scaling the original image, resulting in a blurry outcome as the browser's render engine processes it. To avoid this, you can specify the transformation for image scaling.
img {
transform: scale(.9);
}
img:hover {
transform: scale(1);
}
A helpful answer from Aaron Sibler regarding this issue can be found here.
In my experience, when using the transform property for scaling images, it's important to first decrease the size with something like "transform: scale(0.7)" and then increase back to the original dimensions on hover with "transform: scale(1.0)". Keep in mind that the scale value is relative to the original dimensions of the image, not its current screen dimensions. Therefore, a scale of 1 always equals the original image’s dimensions.
You can see an example of this in action at this link.
Encountered an issue with SVG scaling resulting in blurry images when I attempted to scale up a background image to 4.5. Initially, I explored the option of scaling down first using transform: scale(0.7) followed by scaling up to transform: scale(1.0). However, this approach required a significant reconstruction of my animation due to its complexity involving multiple scales and transforms.
Opting for a different solution, I decided to maintain the current setup and introduced a pseudo scale width. This adjustment prompted the browser to re-render each frame without changing the actual width, allowing me to continue utilizing
transform: scale(x.x)</code for scaling while achieving a crisp image quality.</p>
<p>To validate this method, below is a snippet of the code I used. In this scenario, the image was originally 86px wide and increased in size by 4.5 times.</p>
<pre><code><div class="overall-scale">
<div class="image-scale"></div>
</div>
@keyframes overall-scale {
0% {
transform: scale(1);
}
100% {
transform: scale(4.5);
}
}
@keyframes image-scale {
0% {
width: 86px;
}
100% {
width: 86px;
}
}
Hopefully, this explanation proves helpful. Feel free to provide feedback if you encounter any difficulties with this approach.
If you found this information unhelpful, please let me know in the comments.
After carefully reviewing all the feedback and attempting various recommended solutions, I found that only rotating an image by 360 degrees produced satisfactory results. Other methods either caused stuttering in the images or resulted in excessive blurriness. However, simply rotating the image without hiding it looked odd. As a workaround, I decided to rotate the image by 0.0000001 degrees, which surprisingly worked perfectly! The transition may still cause slight blurriness, but overall the image remains sharp. This could be due to the size of the pictures I was working with.
My current CSS solution involves adding the following line:
img {
transform: rotate(0.00000000001deg);
}
Resolve in more advanced browser versions
img {
will-change: transform;
}
The will-change CSS attribute signals to browsers the expected changes of an element. Browsers may prepare optimizations before the change occurs.
For further information, refer to https://developer.mozilla.org/en-US/docs/Web/CSS/will-change
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