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Resizing Text as you’re typing…
Hello, I’m still pretty new with expressions.
I want the text to fit inside a box or shape layer, without having to resize it every time I type a long phrase. Is there anyway to have the text layer automatically resize, as I’m typing it will get smaller and smaller so it fits inside a set parameter or box.
Basically, the more I type the smaller it will get, so it can fit inside a set box.
I’m not sure if this is possible, but if it is, Thanks! -
9 Replies
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This Scale expression should do it. The first line is where you set the desired width.
nominalWidth = 150;for (i = 0; i <= thisComp.width; i++){
temp = sampleImage([i,thisComp.height/2],[0.5,thisComp.height/2]);
if (temp[3] > 0) break;
}
left = i;for (i = thisComp.width; i >= 0; i--){
temp = sampleImage([i,thisComp.height/2],[0.5,thisComp.height/2]);
if (temp[3] > 0) break;
}
right = i;w = right-left;
if (w > 0)
value*(nominalWidth/w);
else
value
Dan
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Your expression works Dan except AE have a lot of difficulty after the expression.
Why is that? -
That sampleImage() expression is a hack that chews up a lot of processing time. I would use it only as a last resort.
Dan
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Hi Dan,
I’m trying to use the expression you wrote but I can’t figure out how to use it…. Do you add the expression to the scale attribute on the shape or the text?
Michael
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Yes, that’s correct.
Dan
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It doesn’t seem to be working when I’m writing the text as it’s not auto wrapping the box around the text
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And I may be doing the wrong thing but there doesn’t seem to be any relationship between the shape layer and the text.
Michael
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All the expression does is scale the text to keep it at a fixed width.
Dan
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I see. Thanks Dan!
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