:octocat: +QROptionsTrait::$fpdfMeasureUnit

src/QROptionsTrait.php

@@ -14,7 +14,7 @@
 
 namespace chillerlan\QRCode;
 
-use function array_values, count, is_numeric, max, min, sprintf;
+use function array_values, count, in_array, is_numeric, max, min, sprintf, strtolower;
 
 /**
  * The QRCode plug-in settings & setter functionality
@@ -197,6 +197,13 @@ trait QROptionsTrait{
 	 */
 	protected ?string $imagickBG = null;
 
+	/**
+	 * Measurement unit for FPDF output: pt, mm, cm, in (defaults to "pt")
+	 *
+	 * @see \FPDF::__construct()
+	 */
+	protected string $fpdfMeasureUnit = 'pt';
+
 	/**
 	 * Module values map
 	 *
@@ -299,4 +306,17 @@ trait QROptionsTrait{
 
 	}
 
+	/**
+	 * sets the FPDF measurement unit
+	 */
+	protected function set_fpdfMeasureUnit(string $unit):void{
+		$unit = strtolower($unit);
+
+		if(in_array($unit, ['cm', 'in', 'mm', 'pt'], true)){
+			$this->fpdfMeasureUnit = $unit;
+		}
+
+		// @todo throw or ignore silently?
+	}
+
 }