val from_string : string -> font_descriptionval to_string : font_description -> stringval copy : font_description -> font_descriptionval set_family : font_description -> string -> unitval get_family : font_description -> stringval set_style : font_description -> Tags.style -> unitval get_style : font_description -> Tags.styleval set_variant : font_description -> Tags.variant -> unitval get_variant : font_description -> Tags.variantval set_weight : font_description -> Tags.weight -> unitval get_weight : font_description -> intval set_stretch : font_description -> Tags.stretch -> unitval get_stretch : font_description -> Tags.stretchval set_size : font_description -> int -> unitval get_size : font_description -> intval modify :
font_description ->
?family:string ->
?style:Tags.style ->
?variant:Tags.variant ->
?weight:Tags.weight ->
?stretch:Tags.stretch ->
?size:int ->
unit ->
unitval get_metrics : font -> language -> font_metricsval get_ascent : font_metrics -> unitsval get_descent : font_metrics -> unitsval get_approximate_char_width : font_metrics -> unitsval get_approximate_digit_width : font_metrics -> units