| 1 | # coding=utf-8
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| 2 |
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| 3 | import ctypes
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| 4 | import pango
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| 5 | import pangocairo
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| 6 |
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| 7 | context = pangocairo.cairo_font_map_get_default().create_context()
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| 8 |
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| 9 | fontdesc = pango.FontDescription('Deja Vu Sans 24')
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| 10 | #fontdesc = pango.FontDescription('Tex Gyre Pagella 24')
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| 11 |
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| 12 | class PangoGlyphInfo(ctypes.Structure):
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| 13 | _fields_ = [
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| 14 | ("glyph", ctypes.c_uint),
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| 15 | ("geometry_width", ctypes.c_int),
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| 16 | ("geometry_x_offset", ctypes.c_int),
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| 17 | ("geometry_y_offset", ctypes.c_int),
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| 18 | ("attr", ctypes.c_uint)
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| 19 | ]
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| 20 |
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| 21 | class PangoGlyphString(ctypes.Structure):
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| 22 | _fields_ = [
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| 23 | ("num_glyphs", ctypes.c_int),
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| 24 | ("glyphs", ctypes.POINTER(PangoGlyphInfo)),
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| 25 | ("log_clusters", ctypes.c_void_p)
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| 26 | ]
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| 27 |
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| 28 | layout = pango.Layout(context)
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| 29 | layout.set_font_description(fontdesc)
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| 30 | layout.set_text('a á ā ā́ a')
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| 31 | for (item, glyphs) in layout.get_line(0).runs:
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| 32 | glyphstr = ctypes.cast(hash(glyphs), ctypes.POINTER(PangoGlyphString))[0]
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| 33 | for i in range(glyphstr.num_glyphs):
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| 34 | glyph = glyphstr.glyphs[i]
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| 35 | print glyph.glyph, glyph.geometry_x_offset, glyph.geometry_y_offset
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| 36 |
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