/**
* Resizes an image to make a thumbnail or intermediate size.
*
* The returned array has the file size, the image width, and image height. The
* filter 'image_make_intermediate_size' can be used to hook in and change the
* values of the returned array. The only parameter is the resized file path.
*
* @since 0.0.1
*
* @param string $file File path.
* @param int $width Image width.
* @param int $height Image height.
* @param bool $crop Optional. Whether to crop image to specified height and width or resize.
* Default false.
* @return false|array False, if no image was created. Metadata array on success.
*/
function image_make_intermediate_size($file, $width, $height, $crop = false)
{
if ($width || $height) {
$editor = hq_get_image_editor($file);
if (is_hq_error($editor) || is_hq_error($editor->resize($width, $height, $crop))) {
return false;
}
$resized_file = $editor->save();
if (!is_hq_error($resized_file) && $resized_file) {
unset($resized_file['path']);
return $resized_file;
}
}
return false;
}
/**
* Generate post thumbnail attachment meta data.
*
* @since 0.0.1
*
* @global array $_hq_additional_image_sizes
*
* @param int $attachment_id Attachment Id to process.
* @param string $file Filepath of the Attached image.
* @return mixed Metadata for attachment.
*/
function hq_generate_attachment_metadata($attachment_id, $file)
{
$attachment = get_post($attachment_id);
$metadata = array();
$support = false;
if (preg_match('!^image/!', get_post_mime_type($attachment)) && file_is_displayable_image($file)) {
$imagesize = getimagesize($file);
$metadata['width'] = $imagesize[0];
$metadata['height'] = $imagesize[1];
// Make the file path relative to the upload dir.
$metadata['file'] = _hq_relative_upload_path($file);
// Make thumbnails and other intermediate sizes.
global $_hq_additional_image_sizes;
$sizes = array();
foreach (get_intermediate_image_sizes() as $s) {
$sizes[$s] = array('width' => '', 'height' => '', 'crop' => false);
if (isset($_hq_additional_image_sizes[$s]['width'])) {
$sizes[$s]['width'] = intval($_hq_additional_image_sizes[$s]['width']);
} else {
$sizes[$s]['width'] = get_option("{$s}_size_w");
}
// For default sizes set in options
if (isset($_hq_additional_image_sizes[$s]['height'])) {
$sizes[$s]['height'] = intval($_hq_additional_image_sizes[$s]['height']);
} else {
$sizes[$s]['height'] = get_option("{$s}_size_h");
}
// For default sizes set in options
if (isset($_hq_additional_image_sizes[$s]['crop'])) {
$sizes[$s]['crop'] = $_hq_additional_image_sizes[$s]['crop'];
} else {
$sizes[$s]['crop'] = get_option("{$s}_crop");
}
// For default sizes set in options
}
/**
* Filter the image sizes automatically generated when uploading an image.
*
* @since 0.0.1
*
* @param array $sizes An associative array of image sizes.
*/
$sizes = apply_filters('intermediate_image_sizes_advanced', $sizes);
if ($sizes) {
$editor = hq_get_image_editor($file);
if (!is_hq_error($editor)) {
$metadata['sizes'] = $editor->multi_resize($sizes);
}
} else {
$metadata['sizes'] = array();
}
// Fetch additional metadata from EXIF/IPTC.
$image_meta = hq_read_image_metadata($file);
if ($image_meta) {
$metadata['image_meta'] = $image_meta;
}
} elseif (hq_attachment_is('video', $attachment)) {
$metadata = hq_read_video_metadata($file);
$support = current_theme_supports('post-thumbnails', 'attachment:video') || post_type_supports('attachment:video', 'thumbnail');
} elseif (hq_attachment_is('audio', $attachment)) {
$metadata = hq_read_audio_metadata($file);
$support = current_theme_supports('post-thumbnails', 'attachment:audio') || post_type_supports('attachment:audio', 'thumbnail');
}
if ($support && !empty($metadata['image']['data'])) {
// Check for existing cover.
$hash = md5($metadata['image']['data']);
$posts = get_posts(array('fields' => 'ids', 'post_type' => 'attachment', 'post_mime_type' => $metadata['image']['mime'], 'post_status' => 'inherit', 'posts_per_page' => 1, 'meta_key' => '_cover_hash', 'meta_value' => $hash));
$exists = reset($posts);
if (!empty($exists)) {
update_post_meta($attachment_id, '_thumbnail_id', $exists);
} else {
$ext = '.jpg';
switch ($metadata['image']['mime']) {
case 'image/gif':
$ext = '.gif';
break;
case 'image/png':
$ext = '.png';
break;
}
$basename = str_replace('.', '-', basename($file)) . '-image' . $ext;
$uploaded = hq_upload_bits($basename, '', $metadata['image']['data']);
if (false === $uploaded['error']) {
$image_attachment = array('post_mime_type' => $metadata['image']['mime'], 'post_type' => 'attachment', 'post_content' => '');
/**
* Filter the parameters for the attachment thumbnail creation.
*
* @since 0.0.1
*
* @param array $image_attachment An array of parameters to create the thumbnail.
* @param array $metadata Current attachment metadata.
* @param array $uploaded An array containing the thumbnail path and url.
*/
$image_attachment = apply_filters('attachment_thumbnail_args', $image_attachment, $metadata, $uploaded);
$sub_attachment_id = hq_insert_attachment($image_attachment, $uploaded['file']);
add_post_meta($sub_attachment_id, '_cover_hash', $hash);
$attach_data = hq_generate_attachment_metadata($sub_attachment_id, $uploaded['file']);
hq_update_attachment_metadata($sub_attachment_id, $attach_data);
update_post_meta($attachment_id, '_thumbnail_id', $sub_attachment_id);
}
}
}
// Remove the blob of binary data from the array.
unset($metadata['image']['data']);
/**
* Filter the generated attachment meta data.
*
* @since 0.0.1
*
* @param array $metadata An array of attachment meta data.
* @param int $attachment_id Current attachment ID.
*/
return apply_filters('hq_generate_attachment_metadata', $metadata, $attachment_id);
}