Exemplo n.º 1
0
/**
 * 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;
}
Exemplo n.º 2
0
/**
 * 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);
}