Peter B. West wrote:
Validation issues considered in alt-design circa 2002. See CountryLanguageScript.java in the alt-design code for an attempt at this. Generated from xml-lang.xml and xml-lang.xsl. No baselines.
Incidentally, I decided the language and country components of this were somewhat redundant when I discovered the scope of java.util.Locale. Somewhat, but not entirely. Script is not covered there, but Joerg has pointed out that there is a basis in java.lang.Character.UnicodeBlock. Again, not entirely.That's one of the reasons I have decided to rely extensively on Java facilities. Here's another.
java.awt.font.TextLayout, including byte getBaseline() Returns the baseline for this TextLayout float[] getBaselineOffsets() Returns the offsets array for the baselines used for this TextLayout.Where currently supported baselines are given in java.awt.Font as CENTER_BASELINE, HANGING_BASELINE and ROMAN_BASELINE.
For use with embedded graphic elements you have java.awt.font.GraphicAttribute and java.awt.font.ShapeGraphicAttribute which also define TOP_ALIGNMENT and BOTTOM_ALIGNMENT.
That's enough to be getting on with. Obviously, these baselines are built-in attributes of the text. My assumption is that this coverage will continue to improve, especially if the requirement is made known through the Java Community Process.
Peter -- Peter B. West <http://cv.pbw.id.au/> Folio <http://defoe.sourceforge.net/folio/>
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