/**
* Display or retrieve the current post thumbnail from a custom field
* or image attached to the post.
*
* @param string $num_cols Optional. Specifies the number of columns for the Portfolio page template layout.
* @param string $width Optional. The width of the thumbnail in px.
* @param string $height Optional. The height of the thumbnail in px.
* @param string $do_not_link_adjacent_items Optional. An option to not link adjacent items in a category as gallery. Either 'yes' or 'no' (default)
* @param bool $echo Optional, default to true. Whether to display or return.
* @return string HTML string if $echo parameter is false.
*/
function get_portfolio_item_thumbnail($num_cols = '3', $width = '260', $height = '160', $do_not_link_adjacent_items = 'no', $echo = true)
{
global $udesign_options, $post;
$portfolio_default_thumb = get_bloginfo('template_url') . '/styles/common-images/portfolio-default-thumb.jpg';
$portfolio_item_thumb = get_post_meta($post->ID, 'portfolio_item_thumb', true);
$portfolio_item_preview = get_post_meta($post->ID, 'portfolio_item_preview', true);
// Grab the preview item from the custom field 'portfolio_item_preview', if set.
$portfolio_item_link = get_post_meta($post->ID, 'portfolio_item_link', true);
$portfolio_item_link_target = get_post_meta($post->ID, 'portfolio_item_link_target', true) == '_blank' ? ' target="_blank"' : '';
$portfolio_item_image_attachments = get_post_meta($post->ID, 'portfolio_item_image_attachments', true);
$portfolio_item_offset_image_attachments = get_post_meta($post->ID, 'portfolio_item_offset_image_attachments', true);
$portfolio_item_link_rel = get_post_meta($post->ID, 'portfolio_item_link_rel', true);
if ($portfolio_item_link_rel) {
$portfolio_item_link_rel = ' ' . $portfolio_item_link_rel;
}
$output = $last_output = '';
if ($portfolio_item_link) {
$rel_attr = ' rel="' . trim($portfolio_item_link_rel) . '"';
$preview_item = __($portfolio_item_link);
} else {
if ($portfolio_item_image_attachments == 'yes') {
$rel_attr = ' rel="wp-prettyPhoto[portfolio-' . rand(1, 1000) . ']' . $portfolio_item_link_rel . '"';
$last_output = udesign_get_image_attachments($post->ID, $rel_attr, $portfolio_item_offset_image_attachments, false);
} else {
$rel_attr = $do_not_link_adjacent_items == 'yes' ? ' rel="wp-prettyPhoto' . $portfolio_item_link_rel . '"' : ' rel="wp-prettyPhoto[portfolio]' . $portfolio_item_link_rel . '"';
}
$preview_item = $portfolio_item_preview;
}
$preview_item_title = do_shortcode(esc_html__(get_post_meta($post->ID, 'portfolio_item_preview_title', true)));
// Grab the preview item title the custom field 'portfolio_item_preview_title', if set.
if (function_exists('get_the_image')) {
// the case when "Get The Image" plugin is available (installed and activated)
$portfolio_thumb_as_array = get_the_image(array('meta_key' => array('portfolio_item_thumb'), 'format' => 'array', 'size' => 'full', 'default_image' => $portfolio_default_thumb, 'link_to_post' => false, 'image_scan' => true));
if ($preview_item == '' && $portfolio_thumb_as_array[src] != $portfolio_default_thumb) {
$preview_item = $portfolio_thumb_as_array[src];
}
if ($preview_item) {
// if preview item is available, go ahead and generate the thumbnail as a link
$output .= '<span class="portfolio-zoom-image-' . $num_cols . '-col pngfix"> </span>';
$output .= '<a' . $rel_attr . ' href="' . $preview_item . '" title="' . $preview_item_title . '"' . $portfolio_item_link_target . '><img class="hover-opacity" src="' . udesign_process_image($portfolio_thumb_as_array[url], $width, $height, 1, 90) . '" width="' . $width . '" height="' . $height . '" alt="' . $portfolio_thumb_as_array[alt] . '" /></a>';
} else {
// if preview item is NOT available, generate a thumbnail that is NOT a link
$output .= '<span class="portfolio-zoom-image-' . $num_cols . '-col pngfix"> </span>';
$output .= '<img class="hover-opacity" src="' . udesign_process_image($portfolio_thumb_as_array[url], $width, $height, 1, 90) . '" width="' . $width . '" height="' . $height . '" alt="' . esc_attr__('Preview item is not available!.', 'udesign') . '" />';
}
} else {
// the case when "Get The Image" plugin is NOT available
if (!$portfolio_item_preview) {
// Check if an image is found in the post and assign it as the large preview image.
if (function_exists('get_image_url') && findImage()) {
$portfolio_item_preview = get_image_url();
if (!$preview_item) {
// when there's no preview_item nor a link specified but the image can be pulled from the content
$preview_item = $portfolio_item_preview;
}
}
}
if ($portfolio_item_thumb) {
// thumbnail is provided
if ($preview_item) {
// if preview item is available, go ahead an link it to the thumbnail.
$output .= '<span class="portfolio-zoom-image-' . $num_cols . '-col pngfix"> </span>';
$output .= '<a' . $rel_attr . ' href="' . $preview_item . '" title="' . $preview_item_title . '"' . $portfolio_item_link_target . '><img class="hover-opacity" src="' . udesign_process_image($portfolio_item_thumb, $width, $height, 1, 90) . '" width="' . $width . '" height="' . $height . '" alt="' . get_the_title() . '" /></a>';
} else {
// if preview item is NOT available, generate a thumbnail that is NOT a link
$output .= '<span class="portfolio-zoom-image-' . $num_cols . '-col pngfix"> </span>';
$output .= '<img class="hover-opacity" src="' . udesign_process_image($portfolio_item_thumb, $width, $height, 1, 90) . '" width="' . $width . '" height="' . $height . '" alt="' . esc_attr__('Preview image not available!.', 'udesign') . '" />';
}
} elseif ($preview_item) {
// auto generate thumbnails
$output .= '<span class="portfolio-zoom-image-' . $num_cols . '-col pngfix"> </span>';
$output .= '<a' . $rel_attr . ' href="' . $preview_item . '" title="' . $preview_item_title . '"' . $portfolio_item_link_target . '><img class="hover-opacity" src="' . udesign_process_image($portfolio_item_preview, $width, $height, 1, 90) . '" width="' . $width . '" height="' . $height . '" alt="' . get_the_title() . '" /></a>';
} else {
// Display default thumbnail image
$output .= '<span class="portfolio-zoom-image-' . $num_cols . '-col pngfix"> </span>';
$output .= '<img class="hover-opacity" src="' . udesign_process_image($portfolio_default_thumb, $width, $height, 1, 90) . '" alt="' . esc_attr__("Default Image", 'udesign') . '" width="' . $width . '" height="' . $height . '" />';
}
}
$output .= $last_output;
if ($echo) {
echo $output;
} else {
return $output;
}
}
} else {
// Default thumbnail option is NOT selected
if ($the_post_thumbnail_link) {
// look for the thumbnail passed as a 'post_thumbnail' or 'thumbnail' custom field
?>
<span class="small-custom-frame alignleft<?php
echo $shadow_class;
?>
"><a href="<?php
the_permalink();
?>
" title="<?php
the_title();
?>
"><img src="<?php
echo udesign_process_image($the_post_thumbnail_link, $post_thumb_width, $post_thumb_height, 1, 100);
?>
" width="<?php
echo $post_thumb_width;
?>
" height="<?php
echo $post_thumb_height;
?>
" alt="<?php
the_title();
?>
" /></a></span>
<?php
}
}
}
/**
* Display the post image linked (optional) to the post
* @param int $post_id Post ID.
* @param bool $linked Set to 'true' if the image should link to the post or 'false' otherwise
* @return string HTML formatted post image linking (optional) to the Post with $post_id
*/
function display_post_image_fn($post_id, $linked = true)
{
global $udesign_options;
$post_image_url = get_post_meta($post_id, 'post_image', true);
// Grab the preview image from the custom field 'post_image', if set.
if (!$post_image_url && has_post_thumbnail($post_id)) {
$tmp_image = wp_get_attachment_image_src(get_post_thumbnail_id($post_id), 'single-post-thumbnail');
$post_image_url = $tmp_image[0];
}
if ($post_image_url) {
if ($udesign_options['enable_custom_featured_image'] == 'yes') {
// Customize the dimension and alignment of the 'Featured Image' ...
if ($udesign_options['force_image_dimention'] == 'yes' && $udesign_options['disable_timthumb'] != 'yes') {
//... by a function defined in 'function.php' specifically for this theme using TimThumb
echo customized_featured_image($post_id, $post_image_url, $udesign_options['featured_image_width'], $udesign_options['featured_image_height'], $udesign_options['featured_image_alignment'], $linked);
} else {
//... by the default WP 'the_post_thumbnail()' function which doesn't stretch images if they are smaller
echo the_post_thumbnail(array($udesign_options['featured_image_width'], $udesign_options['featured_image_height']), array('class' => $udesign_options['featured_image_alignment']));
}
} else {
?>
<div class="post-image-holder pngfix">
<div class="post-image">
<span class="post-hover-image pngfix"> </span>
<?php
if ($linked) {
?>
<a href="<?php
the_permalink();
?>
" title="<?php
the_title_attribute();
?>
"><img class="hover-opacity" src="<?php
echo udesign_process_image($post_image_url, 570, 172, 1, 90);
?>
" alt="<?php
the_title_attribute();
?>
" /></a>
<?php
} else {
?>
<img class="hover-opacity" src="<?php
echo udesign_process_image($post_image_url, 570, 172, 1, 90);
?>
" alt="<?php
the_title_attribute();
?>
" />
<?php
}
?>
</div>
</div>
<?php
}
}
}
