<?php
if ( ! function_exists( 'ipq_get_theme_image' ) ) {
	/**
	 * Get image HTML for a specific context in a theme, specifying the exact sizes
	 * for the image. The first image size is always used as the `src` and the other
	 * sizes are used in the `srcset` if they're the same aspect ratio as the original
	 * image. If any of the image sizes don't currently exist, they are queued for
	 * creation by a background process. Example:
	 *
	 * echo ipq_get_theme_image( 1353, array(
	 *         array( 600, 400, false ),
	 *         array( 1280, 720, false ),
	 *         array( 1600, 1067, false ),
	 *     ),
	 * 	   array(
	 *         'class' => 'header-banner'
	 *     )
	 * );
	 *
	 * @param int    $post_id Image attachment ID.
	 * @param array  $sizes   Array of arrays of sizes in the format array(width,height,crop).
	 * @param string $attr    Optional. Attributes for the image markup. Default empty.
	 *
	 * @return string HTML img element or empty string on failure.
	 */
	function ipq_get_theme_image( $post_id, $sizes, $attr = '' ) {
		return Image_Processing_Queue::instance()->get_image( $post_id, $sizes, $attr );
	}
}

if ( ! function_exists( 'ipq_get_theme_image_url' ) ) {
	/**
	 * Get image URL for a specific context in a theme, specifying the exact size
	 * for the image. If the image size does not currently exist, it is queued for
	 * creation by a background process. Example:
	 *
	 * echo ipq_get_theme_image_url( 1353, array( 600, 400, false ) );
	 *
	 * @param int   $post_id
	 * @param array $size
	 *
	 * @return string Img URL
	 */
	function ipq_get_theme_image_url( $post_id, $size ) {
		return Image_Processing_Queue::instance()->get_image_url( $post_id, $size );
	}
}