/** * 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); }