image-resolution
Quick Summary for image-resolution
Check the Browser compatibility table carefully before using this in production.
Code Usage for image-resolution
image-resolution: from-image; image-resolution: 300dpi; image-resolution: from-image 300dpi; image-resolution: 300dpi snap; /* Global values */ image-resolution: inherit; image-resolution: initial; image-resolution: revert; image-resolution: unset; More Details for image-resolution
image-resolution
Experimental: This is an experimental technologyCheck the Browser compatibility table carefully before using this in production.
The image-resolution CSS property specifies the intrinsic resolution of all raster images used in or on the element. It affects content images such as replaced elements and generated content, and decorative images such as background-image images.
The image resolution is defined as the number of image pixels per unit length, e.g., pixels per inch. By default, CSS assumes a resolution of one image pixel per CSS px unit; however, the image-resolution property allows a different resolution to be specified.
Syntax
image-resolution: from-image; image-resolution: 300dpi; image-resolution: from-image 300dpi; image-resolution: 300dpi snap; /* Global values */ image-resolution: inherit; image-resolution: initial; image-resolution: revert; image-resolution: unset; Values
<resolution>Specifies the intrinsic resolution explicitly.
from-image Uses the intrinsic resolution as specified by the image format. If the image does not specify its own resolution, the explicitly specified resolution is used (if given), else it defaults to 1dppx (1 image pixel per CSS px unit).
snap If the snap keyword is provided, the computed resolution is the specified resolution rounded to the nearest value that would map one image pixel to an integer number of device pixels. If the resolution is taken from the image, then the used intrinsic resolution is the image's native resolution similarly adjusted.
Note: As vector formats such as SVG do not have an intrinsic resolution, this property has no effect on vector images.
Formal definition
| Initial value | 1dppx |
|---|---|
| Applies to | all elements |
| Inherited | yes |
| Computed value | as specified, except with <resolution> possibly altered by computed for 'snap' value |
| Animation type | discrete |
Formal syntax
[ from-image || <resolution> ] && snap?
Examples
Setting a high dpi for print
When printing the document, use a higher resolution.
@media print { .myimage { image-resolution: 300dpi; } } Use image resolution with fallback
Uses the resolution from the image. If the image does not have a resolution, use 300dpi rather than the default 1dppx.
.myimage { image-resolution: from-image 300dpi; } Specifications
No specification foundNo specification data found for css.properties.image-resolution.Check for problems with this page or contribute a missing spec_url to mdn/browser-compat-data. Also make sure the specification is included in w3c/browser-specs.
No compatibility data found for css.properties.image-resolution.Check for problems with this page or contribute missing data to mdn/browser-compat-data.
See also
Other image-related CSS properties:object-fit, object-position, image-orientation, image-rendering. Chromium bug: 1086473. Last modified: Aug 12, 2021, by MDN contributors
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"Olivia, my eldest daughter, caught measles when she was seven years old. As the illness took its usual course I can remember reading to her often in bed and not feeling particularly alarmed about it. Then one morning, when she was well on the road to recovery, I was sitting on her bed showing her how to fashion little animals out of coloured pipe-cleaners, and when it came to her turn to make one herself, I noticed that her fingers and her mind were not working together and she couldn’t do anything. 'Are you feeling all right?' I asked her. 'I feel all sleepy,' she said. In an hour, she was unconscious. In twelve hours she was dead. The measles had turned into a terrible thing called measles encephalitis and there was nothing the doctors could do to save her. That was...in 1962, but even now, if a child with measles happens to develop the same deadly reaction from measles as Olivia did, there would still be nothing the doctors could do to help her. On the other hand, there is today something that parents can do to make sure that this sort of tragedy does not happen to a child of theirs. They can insist that their child is immunised against measles. ...I dedicated two of my books to Olivia, the first was ‘James and the Giant Peach’. That was when she was still alive. The second was ‘The BFG’, dedicated to her memory after she had died from measles. You will see her name at the beginning of each of these books. And I know how happy she would be if only she could know that her death had helped to save a good deal of illness and death among other children."
I just checked google books for BFG, and the dedication is there.
https://www.google.com.au/books/edition/_/quybcXrFhCIC?hl=en&gbpv=1
Roald Dahl, 1986
