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Re: Glyph extents

From: Jean Abou Samra
Subject: Re: Glyph extents
Date: Wed, 19 Apr 2023 02:28:15 +0200
User-agent: Evolution 3.46.4 (3.46.4-1.fc37)

Le mercredi 19 avril 2023 à 02:00 +0200, Jean Abou Samra a écrit :
> Does anyone have an idea why it happens?

OK, now I see this:

  PangoRectangle logical_rect;
  PangoRectangle ink_rect;
  pango_glyph_string_extents (pgs, pa->font, &ink_rect, &logical_rect);

  PangoFcFont *fcfont = PANGO_FC_FONT (pa->font);
  FTFace_accessor ftface (fcfont);

  Box string_extent (
    Interval (PANGO_LBEARING (logical_rect), PANGO_RBEARING (logical_rect)),
    Interval (-PANGO_DESCENT (ink_rect), PANGO_ASCENT (ink_rect)));

Why are we using the `ink_rect` for Y extents but `logical_rect` for X extents?

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