Re: [ft-devel] Determining the size of space character

[Russell Shaw]

Ivan Tarapov wrote:
> Russel, 
>
> I got freetype from CVS - there were some differences from the 2.2.1 version
> I am using, but the problem with calculation of CBox for space character is
> not fixed.
>
> Basically the code is like this:
>
> error = FT_Load_Glyph(face, curchar, FT_LOAD_DEFAULT);
> .....
> error = FT_Get_Glyph(face->glyph, &glyph);
>
> the result is success for space character (curchar=3)
>
> FT_Glyph_Transform(glyph, 0, &pos);
>
> FT_Glyph_Get_CBox(glyph, ft_glyph_bbox_pixels, &bbox);
>
> > From FT_Glyph_Get_CBox the function FT_Outline_Get_CBox( &glyph->outline,
> bbox ); is called
>
> Inside this function the check is made 
>
> if ( outline->n_points == 0 )
>
> Naturally, the check fails for space char, because it doesn't have any
> n_points as far as I recon. Maybe the routine for determining the size of
> space character us different?

Hi,
The control-box probably isn't the right way to determine the glyph sizes.

I use face->size->metrics (FT_Size_Metrics) for scaleable fonts. I haven't got
around to working with bitmap fonts yet.

If you use FT_Glyph_Transform, hinting information is lost IIRC.