TextWidth.kt

// Original Thread https://stackoverflow.com/questions/3257293/measuring-text-width-to-be-drawn-on-canvas-android


fun String.getWidth(fontSize: Float): Float {
    val textPaint = TextPaint()
    textPaint.textSize = fontSize
    textPaint.typeface = Typeface.create(Typeface.DEFAULT, Typeface.BOLD)
    val texts = this.split("\n")
    if (texts.size == 1) {
        return textPaint.measureText(this)
    }

    var finalWidth = 0f
    for (text in texts) {
        val thisLineWidth = text.getWidth(fontSize)
        if (thisLineWidth > finalWidth) {
            finalWidth = thisLineWidth
        }
    }

    return finalWidth
}