package adobe_font_metrics

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package adobe_font_metrics
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Module Adobe_font_metricsSource

Parser for the Adobe Font Metrics (afm) format

The parser follows version 4.1 of the specification, as described in this document.

There is no attempt to rescue files that depart from this specification.

Sourcetype header = {
  1. metrics_sets : int option;
  2. font_name : string;
  3. full_name : string option;
  4. family_name : string option;
  5. weight : string option;
  6. font_bbox : float * float * float * float;
  7. version : string option;
  8. notice : string option;
  9. encoding_scheme : string option;
  10. mapping_scheme : int option;
  11. esc_char : int option;
  12. character_set : string option;
  13. characters : int option;
  14. is_base_font : bool option;
  15. vvector : (float * float) option;
  16. is_fixed_v : bool option;
  17. cap_height : float option;
  18. xheight : float option;
  19. ascender : float option;
  20. descender : float option;
  21. stdhw : float option;
  22. stdvw : float option;
}
Sourcetype writing_direction = {
  1. underline_position : float option;
  2. underline_thickness : float option;
  3. italic_angle : float option;
  4. char_width : (float * float) option;
  5. is_fixed_pitch : bool option;
}
Sourcetype char_metrics = {
  1. code : [ `C of int | `CH of string ];
  2. wx : float option;
  3. w0x : float option;
  4. w1x : float option;
  5. wy : float option;
  6. w0y : float option;
  7. w1y : float option;
  8. w : (float * float) option;
  9. w0 : (float * float) option;
  10. w1 : (float * float) option;
  11. vv : (float * float) option;
  12. n : string option;
  13. b : (float * float * float * float) option;
  14. l : (string * string) list;
}
Sourcetype track_kerning = {
  1. degree : int;
  2. min_pt_size : float;
  3. min_kern : float;
  4. max_pt_size : float;
  5. max_kern : float;
}
Sourcetype kerning_pair_info = [
  1. | `KP of string * string * float * float
  2. | `KPH of string * string * float * float
  3. | `KPX of string * string * float
  4. | `KPY of string * string * float
]
Sourcetype pairwise_kerning = kerning_pair_info array
Sourcetype 'a with_direction = [
  1. | `Default of 'a
  2. | `Directed of 'a * 'a
]
Sourcetype composite_character_data = {
  1. name : string;
  2. parts : (string * float * float) list;
}
Sourcetype t = {
  1. version : string;
  2. header : header;
  3. writing_directions : writing_direction with_direction option;
  4. char_metrics : char_metrics array option;
  5. track_kerning : track_kerning array option;
  6. pairwise_kerning : pairwise_kerning with_direction option;
  7. composites : composite_character_data array option;
}
Sourcetype error = [
  1. | `Syntax_error of string * int
]

Represents cause and line number of error

Sourceval from_file : string -> (t, [> error ]) result