stb_truetype 0.3 · OCaml Package

type buffer =
  (int, Bigarray.int8_unsigned_elt, Bigarray.c_layout) Bigarray.Array1.t

type offset = private int

val enum : buffer -> offset list

type t

val init : buffer -> offset -> t option

type codepoint = int

type glyph = private int

val find : t -> codepoint -> glyph option

val invalid_glyph : glyph

val get : t -> codepoint -> glyph

type font_size =

| Size_max of float
| Size_of_M of float

val scale_for_size : t -> font_size -> float

val scale_for_pixel_height : t -> float -> float

val scale_for_mapping_em_to_pixels : t -> float -> float

type vmetrics = {

ascent : int;
descent : int;
line_gap : int;

}

val vmetrics : t -> vmetrics

type hmetrics = {

advance_width : int;
left_side_bearing : int;

}

val hmetrics : t -> glyph -> hmetrics

val glyph_advance : t -> glyph -> int

val kern_advance : t -> glyph -> glyph -> int

type box = {

x0 : int;
y0 : int;
x1 : int;
y1 : int;

}

val font_box : t -> box

val glyph_box : t -> glyph -> box

type pack_context

val pack_begin : 
  buffer ->
  width:int ->
  height:int ->
  stride:int ->
  padding:int ->
  pack_context option

val pack_set_oversampling : pack_context -> h:int -> v:int -> unit

type char_range = {

font_size : font_size;
first_codepoint : int;
count : int;

}

type packed_chars

val pack_font_ranges : 
  pack_context ->
  t ->
  char_range array ->
  packed_chars array option

val packed_chars_count : packed_chars -> int

val packed_chars_box : packed_chars -> int -> box

type char_metrics = {

xoff : float;
yoff : float;
xadvance : float;
xoff2 : float;
yoff2 : float;

}

val packed_chars_metrics : packed_chars -> int -> char_metrics

type char_quad = {

bx0 : float;
by0 : float;
s0 : float;
t0 : float;
bx1 : float;
by1 : float;
s1 : float;
t1 : float;

}

val packed_chars_quad : 
  packed_chars ->
  int ->
  bitmap_width:int ->
  bitmap_height:int ->
  screen_x:float ->
  screen_y:float ->
  align_on_int:bool ->
  float * char_quad

val string_of_packed_chars : packed_chars -> string

val packed_chars_of_string : string -> packed_chars

val make_glyph_bitmap : 
  t ->
  buffer ->
  width:int ->
  height:int ->
  scale_x:float ->
  scale_y:float ->
  box ->
  glyph ->
  unit

val get_glyph_bitmap_box : t -> glyph -> scale_x:float -> scale_y:float -> box

val blur_glyph_bitmap : 
  buffer ->
  width:int ->
  height:int ->
  box ->
  float ->
  unit

package stb_truetype