fembooru/ext/handle_svg/theme.php

<?php

class SVGFileHandlerTheme extends Themelet
{
    public function display_image(Page $page, Image $image)
    {
        $ilink = make_link("get_svg/{$image->id}/{$image->id}.svg");
        //		$ilink = $image->get_image_link();
        $html = "
			<img src='$ilink' id='main_image' class='shm-main-image' data-width='{$image->width}' data-height='{$image->height}' />
		";
        $page->add_block(new Block("Image", $html, "main", 10));
    }
}