array ps_string_geometry ( resource psdoc, string text [, int fontid [, float size]] )
This function is similar to ps_stringwidth() but returns
an array of dimensions containing the width, ascender, and descender
of the text.
Parameters
psdoc
Resource identifier of the postscript file
as returned by ps_new().
text
The text for which the geometry is to be calculated.
fontid
The identifier of the font to be used. If not font is specified
the current font will be used.
size
The size of the font. If no size is specified the current size
is used.
Return Values
An array of the dimensions of a string. The element 'width' contains the
width of the string as returned by ps_stringwidth(). The
element 'descender' contains the maximum descender and 'ascender' the
maximum ascender of the string.
