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Checkbox fixed text leading
Hi There,
I’m trying to add a checkbox control to a simple expression I made to control the leading and scaling of a text. The number value needs to be 77.7 or 90 (value at the end of the expression, (“Slider”)/100*77.7)) so the leading can only be either 77.7 or 90. Is this an easy fix for the for the gods of the AE Expression pantheon? 😊
text.sourceText.style
.setFontSize(thisComp.layer("Expression_Ctrls").effect("SLIDER-3_REGELS")("Slider"))
.setLeading(thisComp.layer("Expression_Ctrls").effect("SLIDER-3_REGELS")("Slider")/100*77.7)
.setAllCaps(true);replied 5 months ago 3 Members · 4 Replies
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4 Replies
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I think that will look something like this:
cb = thisComp.layer("Expression_Ctrls").effect("Checkbox Control")("Checkbox").value;
leading = cb ? 90 : 77.7;
text.sourceText.style
.setFontSize(thisComp.layer("Expression_Ctrls").effect("SLIDER-3_REGELS")("Slider"))
.setAutoLeading(false)
.setLeading(thisComp.layer("Expression_Ctrls").effect("SLIDER-3_REGELS")("Slider")/100*leading)
.setAllCaps(true); -
Dan, again many thanks for a perfect working expression!
If I may borrow some more of your time, i’m trying to get a grasp of writing my own expressions and manage to write simple ones. Can you elaborate on the functions you are using on line 2?
cb gives a value of 0 or 1 depending on the state of the checkbox but what happens after that? Is it some short version of an if/else statement?
leading = cb ? 90 : 77.7; -
That's exactly what it is. It's the JavaScript ternary (or conditional) operator. So if cb is true (1 in this case) the result is 90, otherwise it's 77.7.
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Thank you for solving another one, Dan!
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