Re: Unix glyph detection urgently needed

From: Dom Lachowicz (domlachowicz@yahoo.com)
Date: Sun Jun 22 2003 - 10:09:17 EDT

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    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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