Thanks Wolfgang. This works.
See below for some refinements I find usefull.
On 10 mrt 2010, at 15:40, Wolfgang Schuster wrote:
Am 10.03.10 13:39, schrieb Hans van der Meer:
ConTeXt fontsizing has \tx to make the current font style one step
smaller, then another \txx does that again. For makeing the size
bigger I cannot see anything other than the series \tfa \tfb \tfc
\tfd. It would however be nice to also have a similar cumulative
effect here.
Can there be something like "\tsmall" available to reduce the font
size one step (to a certain minimum, not just \tx\tx = \txx)? And
similar \tbig to enlarge the font size one step? It will make the
equivalent of HTML's <small> and <big> tags easy to implement for
typesetting my xml data.
Or are there already such things?
\startxmlsetups big
\bgroup
\switchtobodyfont[\the\dimexpr\bodyfontsize+2pt\relax]
\switchtobodyfont[\the\dimexpr\bodyfontsize+\xmlattdef{#1}{step}{2pt}
\relax]
\xmlflush{#1}
\egroup
\stopxmlsetups
\startxmlsetups small
\bgroup
\switchtobodyfont[\the\dimexpr\bodyfontsize-2pt\relax]
\scratchdimen=\the\dimexpr\bodyfontsize\relax
\advance\scratchdimen-\xmlattdef{#1}{step}{2pt}\relax
\ifdim\scratchdimen<\xmlattdef{#1}{min}{4pt}\relax\scratchdimen=
\xmlattdef{#1}{min}{4pt}\fi
\switchtobodyfont[\the\scratchdimen]
\xmlflush{#1}
\egroup
\stopxmlsetups
Wolfgang
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If your question is of interest to others as well, please add an entry to the
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