> > On Tuesday 15 August 2006 16:35, anthony prieur wrote:
> > > Is there a way to enable the user to set the style of the font to
> > > Italic or Bold with DirectFB font rendering support ?
> > >
> > > Regards,
> > >
> > > Anthony Prieur
> > >
> > > _______________________________________________
> > >
> > >
> > hi athony,
> >
> > at first if the user decides to use a e.g. italic font or uses a bold font,
> > directfb does a correct rendering of those.
> >
> > is this what you wanted to know? or, do you ask how to set a
> > "normal" font to italic/bold or a combination of?
> >
> > regards
> > marcel
> >
>
> It seems to me that the only way to get Bold or Italic font in
> DirectFB is to use precompiled form.
> Would it be "an easy" way to implement it algorithmicly hardware
> accelerated in DirectFB ?
>
> For exemple here is a sample code (SDL TTF) for Bold style:
>
> for( row = dst->rows - 1; row >= 0; --row ) {
> pixmap = (Uint8*) dst->buffer + row * dst->pitch;
> for( offset=1; offset <= font->glyph_overhang; ++offset ) {
> for( col = dst->width - 1; col > 0; --col ) {
> pixel = (pixmap[col] + pixmap[col-1]);
> if( pixel > NUM_GRAYS - 1 ) {
> pixel = NUM_GRAYS - 1;
> }
> pixmap[col] = (Uint8) pixel;
> }
> }
> }
>
>
> Regards,
>
> Anthony Prieur
>
Anyway the code used by SDL TTF is said to be : """a fake stretching
of the font that doesn't look good on many font type""" ...
Do efficient (and suitable for hardware implementation) algorithms for
Italic and Bold exist ?
Regards,
Anthony Prieur
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