private fun drawTexts(canvas: Canvas, paint: Paint, start: Int, end: Int) {
canvas.save()
val clipRect = Rect(start, 0, end, height)
canvas.clipRect(clipRect)
name = text.toString()
val rect = Rect()
paint.getTextBounds(name, 0, name.length, rect)
val x = width / 2 - rect.width() / 2.toFloat()
val fontMetricsInt = _changePaint.fontMetricsInt
val dy = (fontMetricsInt.bottom - fontMetricsInt.top) / 2 - fontMetricsInt.bottom
val y = height / 2 + dy.toFloat()
canvas.drawText(name, x, y, paint)
canvas.restore()
}
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