53 lines
1.3 KiB
Python
Executable File
53 lines
1.3 KiB
Python
Executable File
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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from __future__ import print_function
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import sys
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from gi.repository import HarfBuzz as hb
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from gi.repository import GLib
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# Python 2/3 compatibility
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try:
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unicode
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except NameError:
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unicode = str
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def tounicode(s, encoding='utf-8'):
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if not isinstance(s, unicode):
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return s.decode(encoding)
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else:
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return s
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fontdata = open (sys.argv[1], 'rb').read ()
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text = tounicode(sys.argv[2])
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# Need to create GLib.Bytes explicitly until this bug is fixed:
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# https://bugzilla.gnome.org/show_bug.cgi?id=729541
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blob = hb.glib_blob_create (GLib.Bytes.new (fontdata))
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face = hb.face_create (blob, 0)
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del blob
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font = hb.font_create (face)
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upem = hb.face_get_upem (face)
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del face
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hb.font_set_scale (font, upem, upem)
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#hb.ft_font_set_funcs (font)
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hb.ot_font_set_funcs (font)
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buf = hb.buffer_create ()
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hb.buffer_add_utf8 (buf, text.encode('utf-8'), 0, -1)
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hb.buffer_guess_segment_properties (buf)
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hb.shape (font, buf, [])
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del font
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infos = hb.buffer_get_glyph_infos (buf)
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positions = hb.buffer_get_glyph_positions (buf)
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for info,pos in zip(infos, positions):
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gid = info.codepoint
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cluster = info.cluster
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x_advance = pos.x_advance
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x_offset = pos.x_offset
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y_offset = pos.y_offset
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print("gid%d=%d@%d,%d+%d" % (gid, cluster, x_advance, x_offset, y_offset))
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