Module FtlowSource

Almost all of the functions are just interpretation of functions of the freetype library. See the documents of the freetype library.

Sourcetype library
Sourceval init : unit -> library
Sourceval close : library -> unit
Sourcetype face
Sourcetype face_info = {
  1. num_faces : int;
  2. num_glyphs : int;
  3. family_name : string;
  4. style_name : string;
  5. has_horizontal : bool;
  6. has_vertical : bool;
  7. has_kerning : bool;
  8. is_scalable : bool;
  9. is_sfnt : bool;
  10. is_fixed_width : bool;
  11. has_fixed_sizes : bool;
  12. has_fast_glyphs : bool;
  13. has_glyph_names : bool;
  14. has_multiple_masters : bool;
}
Sourceval new_face : library -> string -> int -> face
Sourceval face_info : face -> face_info
Sourceval done_face : face -> unit
Sourceval get_num_glyphs : face -> int
Sourceval set_char_size : face -> int -> int -> int -> int -> unit
Sourceval set_pixel_sizes : face -> int -> int -> unit
Sourcetype charmap = {
  1. platform_id : int;
  2. encoding_id : int;
}
Sourceval get_charmaps : face -> charmap list
Sourceval set_charmap : face -> charmap -> unit
Sourceval get_char_index : face -> int -> int
Sourcetype render_mode =
  1. | Render_Normal
    (*

    default

    *)
  2. | Render_Mono
Sourcetype load_flag =
  1. | Load_no_scale
  2. | Load_no_hinting
Sourceval load_glyph : face -> int -> load_flag list -> int * int
Sourceval load_char : face -> int -> load_flag list -> int * int
Sourceval render_glyph_of_face : face -> render_mode -> unit
Sourceval render_glyph : face -> int -> load_flag list -> render_mode -> int * int
Sourceval render_char : face -> int -> load_flag list -> render_mode -> int * int
Sourceval set_transform : face -> (int * int * int * int) -> (int * int) -> unit
Sourcetype bitmap_info = {
  1. bitmap_left : int;
  2. bitmap_top : int;
  3. bitmap_width : int;
  4. bitmap_height : int;
}
Sourceval get_bitmap_info : face -> bitmap_info
Sourceval read_bitmap : face -> int -> int -> int
Sourcetype bbox = {
  1. xmin : int;
    (*

    26.6

    *)
  2. ymin : int;
    (*

    26.6

    *)
  3. xmax : int;
    (*

    26.6

    *)
  4. ymax : int;
    (*

    26.6

    *)
}

glyph metrics

Sourcetype bearing_advance = {
  1. bearingx : int;
    (*

    26.6

    *)
  2. bearingy : int;
    (*

    26.6

    *)
  3. advance : int;
    (*

    26.6

    *)
}
Sourcetype glyph_metrics = {
  1. gm_width : int;
    (*

    26.6

    *)
  2. gm_height : int;
    (*

    26.6

    *)
  3. gm_hori : bearing_advance;
  4. gm_vert : bearing_advance;
}
Sourceval get_glyph_metrics : face -> glyph_metrics
Sourcetype size_metrics = {
  1. x_ppem : int;
  2. y_ppem : int;
  3. x_scale : int;
    (*

    16.16

    *)
  4. y_scale : int;
    (*

    16.16

    *)
}

size metrics

Sourceval get_size_metrics : face -> size_metrics
Sourcetype outline_tag =
  1. | On_point
  2. | Off_point_conic
  3. | Off_point_cubic

outline info

Sourcetype outline_contents = {
  1. n_contours : int;
  2. n_points : int;
  3. points : (int * int) array;
  4. tags : outline_tag array;
  5. contours : int array;
}
Sourceval get_outline_contents : face -> outline_contents