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[Denemo-devel] Diminish/Augment upgraded to work with selections (As exa
[Denemo-devel] Diminish/Augment upgraded to work with selections (As examples)
Tue, 19 Jan 2010 23:08:11 +0100
With latest git you now can apply diminish/augment (keypad + and -) to whole
selections as well as single notes. Non-Note/Chord/Rests object are ignored and
do no harm to the rest of the script.
Multistaff selections are still missing but will work in the moment
(d-NextSelectedObject) works with multiple staffs.
There is a new script that can be used to upgrade any existing script to work
with selections automatically.
Documentation from denemo.scm:
;SingleAndSelectionSwitcher by Nils Gey Jan/2010
;Automatically applies a script to a whole selection. You can give different
commands or command blocks with (begin) for single items or whole selections.
You can enter a complete scheme script with (), arguments and everything you
would want to run standalone. Don't forget to escape chars like \" . You can
even use a complete (begin ) block.
;But attention! SingleAndSelectionSwitcher will still try to apply the given
script to each of the single items alone. If you need a script which differs
completly in beaviour for single/selection you have to write your own. You have
to take out the (let loop () section for this and write your own selection part
;The applied script itself has to take care if the command can be applied to
each potential item. If you want only notes/chords/rests you have to make sure
the script does not abort on other objects. Its the same as giving proper
return values for a single item, just return #f if a command is not possible
for an item. While a single item just returns an error if you don't do it
correctly, but does no harm otherwise, a script applied to a selection will
stop on that item and leaves you on half on the way.
;Return values are the return values the script itself gives.
;Example: (SingleAndSelectionSwitcher "(d-ChangeDurationByFactorTwo *)"
I will continue to rewrite the commands/scripts with SingleAndSelectionSwitcher
where it makes sense and is easy to do.
But with every script upgraded the need for Undo gets more pressing.
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