$default_text_color, 'width' => 954, 'height' => 1300, 'wp-head-callback' => 'twentyfifteen_header_style', ) ) ); } add_action( 'after_setup_theme', 'twentyfifteen_custom_header_setup' ); /** * Convert HEX to RGB. * * @since Twenty Fifteen 1.0 * * @param string $color The original color, in 3- or 6-digit hexadecimal form. * @return array Array containing RGB (red, green, and blue) values for the given * HEX code, empty array otherwise. */ function twentyfifteen_hex2rgb( $color ) { $color = trim( $color, '#' ); if ( strlen( $color ) == 3 ) { $r = hexdec( substr( $color, 0, 1 ).substr( $color, 0, 1 ) ); $g = hexdec( substr( $color, 1, 1 ).substr( $color, 1, 1 ) ); $b = hexdec( substr( $color, 2, 1 ).substr( $color, 2, 1 ) ); } else if ( strlen( $color ) == 6 ) { $r = hexdec( substr( $color, 0, 2 ) ); $g = hexdec( substr( $color, 2, 2 ) ); $b = hexdec( substr( $color, 4, 2 ) ); } else { return array(); } return array( 'red' => $r, 'green' => $g, 'blue' => $b ); } if ( ! function_exists( 'twentyfifteen_header_style' ) ) : /** * Styles the header image and text displayed on the blog. * * @since Twenty Fifteen 1.0 * * @see twentyfifteen_custom_header_setup() */ function twentyfifteen_header_style() { $header_image = get_header_image(); // If no custom options for text are set, let's bail. if ( empty( $header_image ) && display_header_text() ) { return; } // If we get this far, we have custom styles. Let's do this. ?>