Re: Unix glyph detection urgently needed

From: Dom Lachowicz (domlachowicz@yahoo.com)
Date: Sun Jun 22 2003 - 10:25:06 EDT

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    Potential fix committed. If things break, I'll try &
    fix them ASAP.

    Tomas, you have a green light.

    Dom

    CVS:
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    CVS:
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    CVS:
    CVS: Modified Files:
    CVS: src/af/xap/unix/xap_UnixFont.cpp
    CVS: src/af/xap/unix/xap_UnixFont.h
    CVS: src/af/xap/unix/xap_UnixPSFont.cpp
    CVS: src/af/xap/unix/xap_UnixPSFont.h
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    --- Dom Lachowicz <domlachowicz@yahoo.com> wrote:
    > I'll look into this if no-one beats me to it. It
    > should be doable via at least one of these
    > functions:
    >
    > FcBool XftFontCheckGlyph()
    > FcBool XftCharExists()
    > FT_UInt XftCharIndex()
    >
    > Dom
    >
    > --- Tomas Frydrych <tomasfrydrych@yahoo.co.uk>
    > wrote:
    > >
    > > If someone could implement glyph presence
    > detection
    > > on Unix/xft I
    > > would be grateful -- I have some nice code waiting
    > > to be turned on
    > > that is conditioned by that. Also, once it is in
    > > place I will be able
    > > to remove the dreaded GR_Graphics::remapGlyph()
    > for
    > > ever.
    > >
    > > As I said in an earlier posting, the glyph
    > detection
    > > can be
    > > implemented in two ways:
    > >
    > > 1. When measuring character widths for the cache
    > if
    > > the glyph is
    > > absent, set the width to GR_CW_ABSENT
    > >
    > > 2. Alternatively, implement
    > > GR_*Font::doesGlyphExist() to replace the
    > > virtual implemented in the base class.
    > >
    > > Choose whatever makes better sense (if you replace
    > > the
    > > doesGlyphExist() function, the implementation
    > needs
    > > to be fast).
    > >
    > > Tomas
    >
    >
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