Looking to display just a single icon from a sprite image? Here is how you can do it using jsf/primefaces:
If you tried the code below but ended up displaying the complete image, try adjusting the background-position values:
<p:graphicImage value="/resources/images/image.png" styleClass="lockedImage"/>
.lockedImage{
background-position: -110px -98px;
}
Utilizing the <p:graphicImage> tag will create an HTML <img> element. Instead of displaying the sprite file as a complete image using <img>, it is recommended to use the sprite as a background image for a block-level element like <div>.
For example:
<div class="lockedImage" />
along with
.lockedImage {
width: 16px; /* Specify icon width here */
height: 16px; /* Specify icon height here */
background-image: url(#{resource['images/image.png']});
background-position: -110px 98px;
}
(Please note: The usage of #{resource} in CSS is applicable only when utilizing <h:outputStylesheet> to serve CSS files as JSF resources. Otherwise, you will need to manually specify the correct path.)
It's important to highlight that this issue is not related to JSF specifically, but rather pertains to fundamental HTML/CSS principles. JSF simply acts as a generator for HTML/CSS code in this scenario. I strongly suggest taking a break from JSF and dedicating time to learning basic HTML/CSS concepts to enhance your understanding of JSF. If needed, you can generate a <div> by using
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