/// <summary>
/// Get the best fit size for this TMP_Text Component.
/// </summary>
/// <param name="text">The TMP_Text Component to get the best fit size of.</param>
/// <param name="newStrings">List of strings which will be used in resizing calculations to ensure it is visible in this Text Component.</param>
/// <returns>Returns the font size the Text has been set to.</returns>
private static float GetBestFitSize(TMP_Text text, List <string> newStrings)
{
var smallestFontSize = 0f;
var currentText = text.text;
if (newStrings == null)
{
newStrings = new List <string> {
currentText
};
}
if (!newStrings.Contains(currentText))
{
newStrings.Add(currentText);
}
var bestFitBehaviour = text.GetComponentInParent <BestFit>();
foreach (var s in newStrings)
{
text.text = s;
text.enableAutoSizing = true;
text.fontSizeMin = bestFitBehaviour ? bestFitBehaviour.MinFontSize : 1f;
text.fontSizeMax = bestFitBehaviour ? bestFitBehaviour.MaxFontSize : 1000f;
//Set to max possible to start all text at an equal point.
text.fontSize = text.fontSizeMax;
//Force the text mesh to be updated.
text.Rebuild(CanvasUpdate.PreRender);
//Disable BestFit on Component.
text.enableAutoSizing = false;
var newSize = text.fontSize;
//NewSizeRescale is used to scale down newSize if rect used for text is bigger than rect for the GameObject.
var newSizeRescale = RescaleFontSize(text, 1f);
//Multiply newSize by newSizeScale and round down to the nearest int.
newSize *= newSizeRescale;
//If newSize is smaller than the current smallestFontSize or if smallestFontSize has not been set, set smallestFontSize to equal newSize.
if (newSize < smallestFontSize || Mathf.Approximately(smallestFontSize, 0))
{
smallestFontSize = newSize;
}
}
//Reset the text to display what it was previously.
text.text = currentText;
return(Mathf.Min(smallestFontSize, bestFitBehaviour ? bestFitBehaviour.MaxFontSize : 300));
}