/**
* Get Image Source.
*
* Return a uri to a custom image size.
*
* If size doesn't exist, attempt to create a resized version.
* The output of this function should be escaped before printing to the browser.
*
* @param int Image ID.
* @return string URI of custom image on success; emtpy string otherwise.
*
* @access private.
* @since 2010-10-28
*/
function taxonomy_image_plugin_get_image_src($id)
{
$detail = taxonomy_image_plugin_detail_image_size();
/* Return url to custom intermediate size if it exists. */
$img = image_get_intermediate_size($id, $detail['name']);
if (isset($img['url'])) {
return $img['url'];
}
/* Detail image does not exist, attempt to create it. */
$wp_upload_dir = wp_upload_dir();
if (isset($wp_upload_dir['basedir'])) {
/* Create path to original uploaded image. */
$path = trailingslashit($wp_upload_dir['basedir']) . get_post_meta($id, '_wp_attached_file', true);
if (is_file($path)) {
/* Attempt to create a new downsized version of the original image. */
$new = image_resize($path, $detail['size'][0], $detail['size'][1], $detail['size'][2]);
/* Image creation successful. Generate and cache image metadata. Return url. */
if (!is_wp_error($new)) {
$meta = wp_generate_attachment_metadata($id, $path);
wp_update_attachment_metadata($id, $meta);
$img = image_get_intermediate_size($id, $detail['name']);
if (isset($img['url'])) {
return $img['url'];
}
}
}
}
/* Custom intermediate size cannot be created, try for thumbnail. */
$img = image_get_intermediate_size($id, 'thumbnail');
if (isset($img['url'])) {
return $img['url'];
}
/* Thumbnail cannot be found, try fullsize. */
$url = wp_get_attachment_url($id);
if (!empty($url)) {
return $url;
}
/**
* No image can be found.
* This is most likely caused by a user deleting an attachment before deleting it's association with a taxonomy.
* If we are in the administration panels:
* - Delete the association.
* - Return uri to default.png.
*/
if (is_admin()) {
$assoc = taxonomy_image_plugin_get_associations();
foreach ($assoc as $term => $img) {
if ($img === $id) {
unset($assoc[$term]);
}
}
update_option('taxonomy_image_plugin', $assoc);
return taxonomy_image_plugin_url('default.png');
}
/*
* No image can be found.
* Return path to blank-image.png.
*/
return taxonomy_image_plugin_url('blank.png');
}
/**
* Get Image Source.
*
* Return a uri to a custom image size.
*
* If size doesn't exist, attempt to create a resized version.
* The output of this function should be escaped before printing to the browser.
*
* @param int Image ID.
* @return string URI of custom image on success; emtpy string otherwise.
*
* @access private.
* @since 2010-10-28
*/
function taxonomy_image_plugin_get_image_src($id)
{
$detail = taxonomy_image_plugin_detail_image_size();
/* Return url to custom intermediate size if it exists. */
$img = image_get_intermediate_size($id, $detail['name']);
if (isset($img['url'])) {
return $img['url'];
}
/* Detail image does not exist, attempt to create it. */
$fullsizepath = get_attached_file($id);
if (false != $fullsizepath && file_exists($fullsizepath)) {
$metadata = wp_generate_attachment_metadata($id, $fullsizepath);
if (!is_wp_error($metadata) && !empty($metadata)) {
wp_update_attachment_metadata($id, $metadata);
}
/* Let's try the custom intermediate size again after the regeneration */
$img = image_get_intermediate_size($id, $detail['name']);
if (isset($img['url'])) {
return $img['url'];
}
}
/* Allow third party code to provide a proper detail image url */
$url = apply_filters('taxonomy_image_detail_image_url', '', $id);
if (!empty($url)) {
return $url;
}
/* Custom intermediate size cannot be created, try for thumbnail. */
$img = image_get_intermediate_size($id, 'thumbnail');
if (isset($img['url'])) {
return $img['url'];
}
/* Thumbnail cannot be found, try fullsize. */
$url = wp_get_attachment_url($id);
if (!empty($url)) {
return $url;
}
/*
* No image can be found.
* This is most likely caused by a user deleting an attachment before deleting it's association with a taxonomy.
* If we are in the administration panels:
* - Delete the association.
* - Return uri to default.png.
*/
if (is_admin()) {
$assoc = taxonomy_image_plugin_get_associations();
foreach ($assoc as $term => $img) {
if ($img === $id) {
unset($assoc[$term]);
}
}
update_option('taxonomy_image_plugin', $assoc);
return taxonomy_image_plugin_url('default.png');
}
/*
* No image can be found.
* Return path to blank-image.png.
*/
return taxonomy_image_plugin_url('blank.png');
}
