Fix raster crash on all OS

 # Changelog
 
+## 5.2.2
+
+- Fix raster crash on all OS.
+
 ## 5.2.1
 
 - Fix Linux build

@@ -194,9 +194,12 @@ public class PrintingHandler implements MethodChannel.MethodCallHandler {
 
     /// The page has been converted to an image
     @RequiresApi(api = Build.VERSION_CODES.KITKAT)
-    void onPageRasterEnd(PrintingJob printJob) {
+    void onPageRasterEnd(PrintingJob printJob, String error) {
         HashMap<String, Object> args = new HashMap<>();
         args.put("job", printJob.index);
+        if (error != null) {
+            args.put("error", error);
+        }
 
         channel.invokeMethod("onPageRasterEnd", args);
     }

@@ -434,8 +434,8 @@ public class PrintingJob extends PrintDocumentAdapter {
 
     void rasterPdf(final byte[] data, final ArrayList<Integer> pages, final Double scale) {
         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.LOLLIPOP) {
-            Log.e("PDF", "PDF Raster available since Android 5.0 Lollipop (API 21)");
-            printing.onPageRasterEnd(this);
+            printing.onPageRasterEnd(
+                    this, "PDF Raster available since Android 5.0 Lollipop (API 21)");
             return;
         }
 
@@ -443,6 +443,7 @@ public class PrintingJob extends PrintDocumentAdapter {
             @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
             @Override
             public void run() {
+                String error = null;
                 try {
                     File file = File.createTempFile("printing", null, null);
                     FileOutputStream oStream = new FileOutputStream(file);
@@ -493,12 +494,14 @@ public class PrintingJob extends PrintDocumentAdapter {
 
                 } catch (IOException e) {
                     e.printStackTrace();
+                    error = e.getMessage();
                 }
 
+                final String finalError = error;
                 new Handler(Looper.getMainLooper()).post(new Runnable() {
                     @Override
                     public void run() {
-                        printing.onPageRasterEnd(PrintingJob.this);
+                        printing.onPageRasterEnd(PrintingJob.this, finalError);
                     }
                 });
             }

@@ -296,13 +296,17 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
 
     public func rasterPdf(data: Data, pages: [Int]?, scale: CGFloat) {
         let provider = CGDataProvider(data: data as CFData)!
-        let document = CGPDFDocument(provider)!
+        let document = CGPDFDocument(provider)
+        if document == nil {
+            printing.onPageRasterEnd(printJob: self, error: "Cannot raster a malformed PDF file")
+            return
+        }
 
         DispatchQueue.global().async {
-            let pageCount = document.numberOfPages
+            let pageCount = document!.numberOfPages
 
             for pageNum in pages ?? Array(0 ... pageCount - 1) {
-                guard let page = document.page(at: pageNum + 1) else { continue }
+                guard let page = document!.page(at: pageNum + 1) else { continue }
                 let angle = CGFloat(page.rotationAngle) * CGFloat.pi / -180
                 let rect = page.getBoxRect(.mediaBox)
                 let width = Int(abs((cos(angle) * rect.width + sin(angle) * rect.height) * scale))
@@ -321,6 +325,7 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
                         space: rgb,
                         bitmapInfo: CGImageAlphaInfo.premultipliedLast.rawValue
                     )
+
                     if context != nil {
                         context!.translateBy(x: CGFloat(width) / 2, y: CGFloat(height) / 2)
                         context!.scaleBy(x: scale, y: scale)
@@ -336,7 +341,7 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
             }
 
             DispatchQueue.main.sync {
-                self.printing.onPageRasterEnd(printJob: self)
+                self.printing.onPageRasterEnd(printJob: self, error: nil)
             }
         }
     }
@@ -349,6 +354,7 @@ public class PrintJob: UIPrintPageRenderer, UIPrintInteractionControllerDelegate
             "canConvertHtml": true,
             "canShare": true,
             "canRaster": true,
+            "canListPrinters": false,
         ]
         return data
     }

@@ -193,9 +193,10 @@ public class PrintingPlugin: NSObject, FlutterPlugin {
         channel.invokeMethod("onPageRasterized", arguments: data)
     }
 
-    public func onPageRasterEnd(printJob: PrintJob) {
+    public func onPageRasterEnd(printJob: PrintJob, error: String?) {
         let data: NSDictionary = [
             "job": printJob.index,
+            "error": error as Any,
         ]
         channel.invokeMethod("onPageRasterEnd", arguments: data)
     }

@@ -130,6 +130,10 @@ class MethodChannelPrinting extends PrintingPlatform {
       case 'onPageRasterEnd':
         final job = _printJobs.getJob(call.arguments['job']);
         if (job != null) {
+          final dynamic error = call.arguments['error'];
+          if (error != null) {
+            job.onPageRasterized!.addError(error);
+          }
           await job.onPageRasterized!.close();
           _printJobs.remove(job.index);
         }

@@ -225,36 +225,56 @@ class _PdfPreviewState extends State<PdfPreview> {
       });
     }
 
-    var pageNum = 0;
-    await for (final PdfRaster page in Printing.raster(
-      _doc,
-      dpi: dpi,
-      pages: widget.pages,
-    )) {
-      if (!mounted) {
-        _rastering = false;
-        return;
-      }
-      setState(() {
-        if (pages.length <= pageNum) {
-          pages.add(_PdfPreviewPage(
-            page: page,
-            pdfPreviewPageDecoration: widget.pdfPreviewPageDecoration,
-            pageMargin: widget.previewPageMargin,
-          ));
-        } else {
-          pages[pageNum] = _PdfPreviewPage(
-            page: page,
-            pdfPreviewPageDecoration: widget.pdfPreviewPageDecoration,
-            pageMargin: widget.previewPageMargin,
-          );
+    try {
+      var pageNum = 0;
+      await for (final PdfRaster page in Printing.raster(
+        _doc,
+        dpi: dpi,
+        pages: widget.pages,
+      )) {
+        if (!mounted) {
+          _rastering = false;
+          return;
         }
-      });
+        setState(() {
+          if (pages.length <= pageNum) {
+            pages.add(_PdfPreviewPage(
+              page: page,
+              pdfPreviewPageDecoration: widget.pdfPreviewPageDecoration,
+              pageMargin: widget.previewPageMargin,
+            ));
+          } else {
+            pages[pageNum] = _PdfPreviewPage(
+              page: page,
+              pdfPreviewPageDecoration: widget.pdfPreviewPageDecoration,
+              pageMargin: widget.previewPageMargin,
+            );
+          }
+        });
+
+        pageNum++;
+        pages.removeRange(pageNum, pages.length);
+      }
+    } catch (exception, stack) {
+      InformationCollector? collector;
+
+      assert(() {
+        collector = () sync* {
+          yield StringProperty('PageFormat', computedPageFormat.toString());
+        };
+        return true;
+      }());
 
-      pageNum++;
+      FlutterError.reportError(FlutterErrorDetails(
+        exception: exception,
+        stack: stack,
+        library: 'printing',
+        context: ErrorDescription('while generating a PDF'),
+        informationCollector: collector,
+      ));
+      error = exception;
     }
 
-    pages.removeRange(pageNum, pages.length);
     _rastering = false;
   }
 

@@ -249,7 +249,7 @@ void print_job::raster_pdf(const uint8_t data[],
   auto doc = FPDF_LoadMemDocument64(data, size, nullptr);
   if (!doc) {
     FPDF_DestroyLibrary();
-    on_page_raster_end(this);
+    on_page_raster_end(this, "Cannot raster a malformed PDF file");
     return;
   }
 
@@ -307,7 +307,7 @@ void print_job::raster_pdf(const uint8_t data[],
 
   FPDF_DestroyLibrary();
 
-  on_page_raster_end(this);
+  on_page_raster_end(this, nullptr);
 }
 
 FlValue* print_job::printing_info() {

@@ -70,7 +70,7 @@ void on_page_rasterized(print_job* job,
                         int width,
                         int height);
 
-void on_page_raster_end(print_job* job);
+void on_page_raster_end(print_job* job, const char* error);
 
 void on_layout(print_job* job,
                double pageWidth,

@@ -161,9 +161,12 @@ void on_page_rasterized(print_job* job,
                                   nullptr, nullptr);
 }
 
-void on_page_raster_end(print_job* job) {
+void on_page_raster_end(print_job* job, const char* error) {
   g_autoptr(FlValue) map = fl_value_new_map();
   fl_value_set_string(map, "job", fl_value_new_int(job->get_id()));
+  if (error != nullptr) {
+    fl_value_set_string(map, "error", fl_value_new_string(error));
+  }
 
   fl_method_channel_invoke_method(channel, "onPageRasterEnd", map, nullptr,
                                   nullptr, nullptr);

@@ -242,13 +242,17 @@ public class PrintJob: NSView, NSSharingServicePickerDelegate {
 
     public func rasterPdf(data: Data, pages: [Int]?, scale: CGFloat) {
         let provider = CGDataProvider(data: data as CFData)!
-        let document = CGPDFDocument(provider)!
+        let document = CGPDFDocument(provider)
+        if document == nil {
+            printing.onPageRasterEnd(printJob: self, error: "Cannot raster a malformed PDF file")
+            return
+        }
 
         DispatchQueue.global().async {
-            let pageCount = document.numberOfPages
+            let pageCount = document!.numberOfPages
 
             for pageNum in pages ?? Array(0 ... pageCount - 1) {
-                guard let page = document.page(at: pageNum + 1) else { continue }
+                guard let page = document!.page(at: pageNum + 1) else { continue }
                 let angle = CGFloat(page.rotationAngle) * CGFloat.pi / -180
                 let rect = page.getBoxRect(.mediaBox)
                 let width = Int(abs((cos(angle) * rect.width + sin(angle) * rect.height) * scale))
@@ -283,7 +287,7 @@ public class PrintJob: NSView, NSSharingServicePickerDelegate {
             }
 
             DispatchQueue.main.sync {
-                self.printing.onPageRasterEnd(printJob: self)
+                self.printing.onPageRasterEnd(printJob: self, error: nil)
             }
         }
     }
@@ -291,7 +295,7 @@ public class PrintJob: NSView, NSSharingServicePickerDelegate {
     public static func printingInfo() -> NSDictionary {
         let data: NSDictionary = [
             "directPrint": true,
-            "dynamicLayout": false,
+            "dynamicLayout": true,
             "canPrint": true,
             "canConvertHtml": true,
             "canShare": true,

@@ -188,9 +188,10 @@ public class PrintingPlugin: NSObject, FlutterPlugin {
         channel.invokeMethod("onPageRasterized", arguments: data)
     }
 
-    public func onPageRasterEnd(printJob: PrintJob) {
+    public func onPageRasterEnd(printJob: PrintJob, error: String?) {
         let data: NSDictionary = [
             "job": printJob.index,
+            "error": error as Any,
         ]
         channel.invokeMethod("onPageRasterEnd", arguments: data)
     }

@@ -7,7 +7,7 @@ description: >
 homepage: https://github.com/DavBfr/dart_pdf/tree/master/printing
 repository: https://github.com/DavBfr/dart_pdf
 issue_tracker: https://github.com/DavBfr/dart_pdf/issues
-version: 5.2.1
+version: 5.2.2
 
 environment:
   sdk: ">=2.12.0-0 <3.0.0"

@@ -289,7 +289,7 @@ void PrintJob::rasterPdf(std::vector<uint8_t> data,
   auto doc = FPDF_LoadMemDocument64(data.data(), data.size(), nullptr);
   if (!doc) {
     FPDF_DestroyLibrary();
-    printing->onPageRasterEnd(this);
+    printing->onPageRasterEnd(this, "Cannot raster a malformed PDF file");
     return;
   }
 
@@ -347,7 +347,7 @@ void PrintJob::rasterPdf(std::vector<uint8_t> data,
 
   FPDF_DestroyLibrary();
 
-  printing->onPageRasterEnd(this);
+  printing->onPageRasterEnd(this, nullptr);
 }
 
 std::map<std::string, bool> PrintJob::printingInfo() {

@@ -44,13 +44,18 @@ void Printing::onPageRasterized(std::vector<uint8_t> data,
           })));
 }
 
-void Printing::onPageRasterEnd(PrintJob* job) {
-  channel->InvokeMethod("onPageRasterEnd",
-                        std::make_unique<flutter::EncodableValue>(
-                            flutter::EncodableValue(flutter::EncodableMap{
-                                {flutter::EncodableValue("job"),
-                                 flutter::EncodableValue(job->id())},
-                            })));
+void Printing::onPageRasterEnd(PrintJob* job, const char* error) {
+  auto map = flutter::EncodableMap{
+      {flutter::EncodableValue("job"), flutter::EncodableValue(job->id())},
+  };
+
+  if (!error.empty()) {
+    map[flutter::EncodableValue("error")] = flutter::EncodableValue(error);
+  }
+
+  channel->InvokeMethod(
+      "onPageRasterEnd",
+      std::make_unique<flutter::EncodableValue>(flutter::EncodableValue(map)));
 }
 
 class OnLayoutResult : public flutter::MethodResult<flutter::EncodableValue> {

@@ -40,7 +40,7 @@ class Printing {
                         int height,
                         PrintJob* job);
 
-  void onPageRasterEnd(PrintJob* job);
+  void onPageRasterEnd(PrintJob* job, const char* error);
 
   void onLayout(PrintJob* job,
                 double pageWidth,