Pressbooks\Modules\Export\Epub\Epub201::themeOptionsOverrides PHP Method

    protected function themeOptionsOverrides()
    {
        // --------------------------------------------------------------------
        // CSS
        $css = '';
        $this->cssOverrides = apply_filters('pb_epub_css_override', $css) . "\n";
        // --------------------------------------------------------------------
        // Hacks
        $hacks = array();
        $hacks = apply_filters('pb_epub_hacks', $hacks);
        // Display chapter numbers?
        if (@$hacks['chapter_numbers']) {
            $this->numbered = true;
        } else {
            $this->numbered = false;
        }
        if (@$hacks['ebook_romanize_part_numbers']) {
            $this->romanizePartNumbers = true;
        }
        if (@$hacks['ebook_compress_images']) {
            $this->compressImages = true;
        }
    }