Set font dynamically to fit text

[Brian Milby]

You probably could get close with math but line breaks would not be uniform and will introduce variability.  You could probably get it down to 2 or 3 checks.

Thanks,
Brian
On Oct 12, 2019, 11:02 PM -0400, Sannyasin Brahmanathaswami via use-livecode <use-livecode at lists.runrev.com>, wrote:
> BR: Hmm I figured that a repeat loop would do that, but was look for a "one-off-equation"
>
> According to the "laws of math" (ha... algebra....it has been such a long time; I could be wrong) if you have single unknown variable , X, and all others are known factors, you would, in theory, be able to work out X "in one go."
> The [number of characters, in a given font size/face, that can fit on one line of the field with a given length] is, in theory, among "what can be the known"
>
> These little repeat loops are costly on mobile....
>
> Paul wrote:
> your essentially want a repeat loop where you reduce the textSize of
> char 1 to -1 of the field until the formattedHeight of the field is less
> than or equal to the height of the field
>
> You probably will need a condition in the loop to prevent the textSize
> from going below 9
>
> BR question
> Assuming one is not putting whole pages into small fields, does any one have an efficient run time LC algorithm that will set the font size so that the formatted text will all appear in the field without needing to scroll?
>
> BR
>
>
>
> _______________________________________________
> use-livecode mailing list
> use-livecode at lists.runrev.com
> Please visit this url to subscribe, unsubscribe and manage your subscription preferences:
> http://lists.runrev.com/mailman/listinfo/use-livecode