Fix phpstan errors level 1

Author: casperbakker

src/BarcodeGeneratorPNG.php

@@ -76,7 +76,7 @@ public function getBarcode(string $barcode, $type, int $widthFactor = 2, int $he
                 $barHeight = round(($bar->getHeight() * $height / $barcodeData->getHeight()), 3);
 
                 // draw a vertical bar
-                if ($this->useImagick && isset($imagickBarsShape)) {
+                if ($this->useImagick) {
                     $imagickBarsShape->rectangle($positionHorizontal, $y, ($positionHorizontal + $barWidth - 1), ($y + $barHeight));
                 } else {
                     imagefilledrectangle($image, $positionHorizontal, $y, ($positionHorizontal + $barWidth - 1), ($y + $barHeight), $gdForegroundColor);
@@ -85,7 +85,7 @@ public function getBarcode(string $barcode, $type, int $widthFactor = 2, int $he
             $positionHorizontal += $barWidth;
         }
 
-        if ($this->useImagick && isset($imagickBarsShape)) {
+        if ($this->useImagick) {
             $image = $this->createImagickImageObject($width, $height);
             $image->drawImage($imagickBarsShape);
             return $image->getImageBlob();

src/Types/TypeCode128.php

@@ -4,6 +4,7 @@
 
 use Picqer\Barcode\Barcode;
 use Picqer\Barcode\BarcodeBar;
+use Picqer\Barcode\Exceptions\BarcodeException;
 use Picqer\Barcode\Exceptions\InvalidCharacterException;
 use Picqer\Barcode\Exceptions\InvalidLengthException;
 
@@ -331,11 +332,18 @@ public function getBarcodeData(string $code): Barcode
                                 $code_data[] = intval($chrnum);
                             }
                             break;
+
+                        default:
+                            throw new InvalidCharacterException('Do not support different mode then A, B or C.');
                     }
                 }
         }
 
         // calculate check character
+        if (! isset($startid)) {
+            throw new BarcodeException('Could not determine start char for barcode.');
+        }
+
         $sum = $startid;
         foreach ($code_data as $key => $val) {
             $sum += ($val * ($key + 1));

src/Types/TypePharmacodeTwoCode.php

@@ -9,6 +9,8 @@
 
 use Picqer\Barcode\Barcode;
 use Picqer\Barcode\BarcodeBar;
+use Picqer\Barcode\Exceptions\BarcodeException;
+use Picqer\Barcode\Exceptions\InvalidCharacterException;
 use Picqer\Barcode\Exceptions\InvalidLengthException;
 
 class TypePharmacodeTwoCode implements TypeInterface
@@ -62,6 +64,9 @@ public function getBarcodeData(string $code): Barcode
                     $p = 0;
                     $h = 2;
                     break;
+
+                default:
+                    throw new InvalidCharacterException('Could not find bar for char.');
             }
 
             $barcode->addBar(new BarcodeBar(1, $h, 1, $p));