Add a parallax image behind a page entry header in Genesis - pure css solution. (You'll need to style your image to be tall enough to match the webpage header, so it is behind the main page header on scroll)
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<?php | |
/** | |
* Add a parallax image behind a page entry header in genesis. | |
* | |
* @author Joshua David Nelson, [email protected] | |
*/ | |
// Parallax Image | |
add_action( 'genesis_header', 'parallax_image', 15 ); | |
/** | |
* Parallax Image | |
* | |
* @since 1.0.0 | |
*/ | |
function parallax_image() { | |
global $post; | |
if( isset( $post->ID ) && is_page() ) { | |
$thumb = has_post_thumbnail( $post->ID ); | |
if( $thumb ) { | |
$thumbnail_src = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), array( 1500, 300 ) ); | |
if( $thumbnail_src ) | |
echo '<div class="parallax_image" style="background-image: url(' . $thumbnail_src . ');"></div>'; | |
} | |
} | |
} | |
// Featured image behind header | |
add_action( 'genesis_meta', 'jdn_featured_image_header' ); | |
/** | |
* Display the featured image behind the header. | |
* | |
* @since 1.0.0 | |
*/ | |
function jdn_featured_image_header() { | |
if( is_page() ) { | |
$thumb = has_post_thumbnail( get_the_ID() ); | |
if( $thumb ) { | |
remove_action( 'genesis_entry_header', 'genesis_entry_header_markup_open', 5 ); | |
remove_action( 'genesis_entry_header', 'genesis_do_post_title' ); | |
remove_action( 'genesis_entry_header', 'genesis_entry_header_markup_close', 15 ); | |
add_action( 'genesis_after_header', 'genesis_entry_header_markup_open', 15 ); | |
add_action( 'genesis_after_header', 'genesis_do_post_title', 20 ); | |
add_action( 'genesis_after_header', 'genesis_entry_header_markup_close', 25 ); | |
} | |
} | |
} |
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/* Styles needed for parallax effect */ | |
.site-header { | |
.wrap { | |
position: relative; | |
} | |
} | |
.parallax_image { | |
position: fixed; | |
top: 0; | |
left: 0; | |
background-repeat: no-repeat; | |
min-width: 100%; | |
width: 100%; | |
@include background-size( cover ); | |
background-position: center top; | |
height: 500px; | |
z-index: -1; | |
} |
Source: https://gist.github.com/joshuadavidnelson/7c031ad6247f60974db7
Tags: css, Genesis, Page Template