/**
* Scale an image to fit a particular size (such as 'thumb' or 'medium').
*
* Array with image url, width, height, and whether is intermediate size, in
* that order is returned on success is returned. $is_intermediate is true if
* $url is a resized image, false if it is the original.
*
* The URL might be the original image, or it might be a resized version. This
* function won't create a new resized copy, it will just return an already
* resized one if it exists.
*
* A plugin may use the 'image_downsize' filter to hook into and offer image
* resizing services for images. The hook must return an array with the same
* elements that are returned in the function. The first element being the URL
* to the new image that was resized.
*
* @since 2.5.0
* @uses apply_filters() Calls 'image_downsize' on $id and $size to provide
* resize services.
*
* @param int $id Attachment ID for image.
* @param array|string $size Optional, default is 'medium'. Size of image, either array or string.
* @return bool|array False on failure, array on success.
*/
function image_downsize($id, $size = 'medium')
{
if (!nxt_attachment_is_image($id)) {
return false;
}
$img_url = nxt_get_attachment_url($id);
$meta = nxt_get_attachment_metadata($id);
$width = $height = 0;
$is_intermediate = false;
$img_url_basename = nxt_basename($img_url);
// plugins can use this to provide resize services
if ($out = apply_filters('image_downsize', false, $id, $size)) {
return $out;
}
// try for a new style intermediate size
if ($intermediate = image_get_intermediate_size($id, $size)) {
$img_url = str_replace($img_url_basename, $intermediate['file'], $img_url);
$width = $intermediate['width'];
$height = $intermediate['height'];
$is_intermediate = true;
} elseif ($size == 'thumbnail') {
// fall back to the old thumbnail
if (($thumb_file = nxt_get_attachment_thumb_file($id)) && ($info = getimagesize($thumb_file))) {
$img_url = str_replace($img_url_basename, nxt_basename($thumb_file), $img_url);
$width = $info[0];
$height = $info[1];
$is_intermediate = true;
}
}
if (!$width && !$height && isset($meta['width'], $meta['height'])) {
// any other type: use the real image
$width = $meta['width'];
$height = $meta['height'];
}
if ($img_url) {
// we have the actual image size, but might need to further constrain it if content_width is narrower
list($width, $height) = image_constrain_size_for_editor($width, $height, $size);
return array($img_url, $width, $height, $is_intermediate);
}
return false;
}
?>
<div class="entry-caption"><?php
if (!empty($post->post_excerpt)) {
the_excerpt();
}
?>
</div>
<?php
the_content();
?>
</div>
<p class="postmetadata">
<?php
if (nxt_attachment_is_image()) {
$metadata = nxt_get_attachment_metadata();
printf(__('Full size is %s pixels', 'buddypress'), sprintf('<a href="%1$s" title="%2$s">%3$s × %4$s</a>', nxt_get_attachment_url(), esc_attr(__('Link to full size image', 'buddypress')), $metadata['width'], $metadata['height']));
}
?>
</p>
</div>
</div>
<?php
do_action('bp_after_blog_post');
?>
<?php
/**
* Retrieve icon URL and Path.
*
* @since 2.1.0
* @deprecated 2.5.0
* @deprecated Use nxt_get_attachment_image_src()
* @see nxt_get_attachment_image_src()
*
* @param int $id Optional. Post ID.
* @param bool $fullsize Optional, default to false. Whether to have full image.
* @return array Icon URL and full path to file, respectively.
*/
function get_attachment_icon_src($id = 0, $fullsize = false)
{
_deprecated_function(__FUNCTION__, '2.5', 'nxt_get_attachment_image_src()');
$id = (int) $id;
if (!($post =& get_post($id))) {
return false;
}
$file = get_attached_file($post->ID);
if (!$fullsize && ($src = nxt_get_attachment_thumb_url($post->ID))) {
// We have a thumbnail desired, specified and existing
$src_file = basename($src);
$class = 'attachmentthumb';
} elseif (nxt_attachment_is_image($post->ID)) {
// We have an image without a thumbnail
$src = nxt_get_attachment_url($post->ID);
$src_file =& $file;
$class = 'attachmentimage';
} elseif ($src = nxt_mime_type_icon($post->ID)) {
// No thumb, no image. We'll look for a mime-related icon instead.
$icon_dir = apply_filters('icon_dir', get_template_directory() . '/images');
$src_file = $icon_dir . '/' . basename($src);
}
if (!isset($src) || !$src) {
return false;
}
return array($src, $src_file);
}
