Added mounted check for setState in printing>preview>raster

@@ -139,14 +139,17 @@ mixin PdfPreviewRaster on State<PdfPreviewCustom> {
         context: ErrorDescription('while generating a PDF'),
         context: ErrorDescription('while generating a PDF'),
         informationCollector: collector,
         informationCollector: collector,
       ));
       ));
+      if (mounted) {
         setState(() {
         setState(() {
           error = exception;
           error = exception;
           _rastering = false;
           _rastering = false;
         });
         });
+      }
+
       return;
       return;
     }
     }
 
 
-    if (error != null) {
+    if (error != null && mounted) {
       setState(() {
       setState(() {
         error = null;
         error = null;
       });
       });
@@ -182,7 +185,10 @@ mixin PdfPreviewRaster on State<PdfPreviewCustom> {
             pageMargin: widget.previewPageMargin,
             pageMargin: widget.previewPageMargin,
           );
           );
         }
         }
+
+        if (mounted) {
           setState(() {});
           setState(() {});
+        }
 
 
         pageNum++;
         pageNum++;
       }
       }
@@ -191,7 +197,9 @@ mixin PdfPreviewRaster on State<PdfPreviewCustom> {
         pages[index].image.evict();
         pages[index].image.evict();
       }
       }
       pages.removeRange(pageNum, pages.length);
       pages.removeRange(pageNum, pages.length);
+      if (mounted) {
         setState(() {});
         setState(() {});
+      }
     } catch (exception, stack) {
     } catch (exception, stack) {
       InformationCollector? collector;
       InformationCollector? collector;
 
 
@@ -210,10 +218,12 @@ mixin PdfPreviewRaster on State<PdfPreviewCustom> {
         informationCollector: collector,
         informationCollector: collector,
       ));
       ));
 
 
+      if (mounted) {
         setState(() {
         setState(() {
           error = exception;
           error = exception;
         });
         });
       }
       }
+    }
 
 
     _rastering = false;
     _rastering = false;
   }
   }

@@ -6,7 +6,7 @@ description: >
 homepage: https://github.com/DavBfr/dart_pdf/tree/master/printing
 homepage: https://github.com/DavBfr/dart_pdf/tree/master/printing
 repository: https://github.com/DavBfr/dart_pdf
 repository: https://github.com/DavBfr/dart_pdf
 issue_tracker: https://github.com/DavBfr/dart_pdf/issues
 issue_tracker: https://github.com/DavBfr/dart_pdf/issues
-version: 5.9.1
+version: 5.9.2
 
 
 environment:
 environment:
   sdk: ">=2.12.0 <3.0.0"
   sdk: ">=2.12.0 <3.0.0"