Signaturesaver

a control for a user to save signatures, could be useful in a number of applications

Signaturesaver

@@ -0,0 +1,87 @@
+class Signaturesaver extends Canvas{
+    //Signature Saver is node that can be put on gui for users to pen their signatures and save them to a file.
+    //could be useful in a number of different applications
+    //fields
+    double inx;
+    double iny;
+    private String savebuttontext;
+    Button saveButton = new Button(savebuttontext);
+    //Group root = new Group();
+    GraphicsContext gc;
+    WritableImage signature;
+    final FileChooser fc = new FileChooser();
+    private Stage stage;
+    private static int filecounter = 0;
+
+    public Signaturesaver(){
+        //if they dont provide a primary stage, the image will be saved to a default filename in the current dir;
+        this(null);
+    }
+    public Signaturesaver(Stage currentstage){
+
+        //the user can either call getsaveButton() and add that to this one to their container along with the Signaturesave canvas
+        //or they can provide their own.
+        //A Signaturesave will not work without a save button though.
+
+        super(800,500);
+        filecounter++;
+        gc = this.getGraphicsContext2D();
+        signature = new WritableImage((int)this.getWidth(), (int)this.getHeight());
+        stage = currentstage;
+
+
+        addEventHandler(MouseEvent.MOUSE_PRESSED,new EventHandler<MouseEvent>() {
+
+            public void handle(MouseEvent e) {
+                inx = e.getSceneX();
+                iny = e.getSceneY();
+                e.consume();
+
+            }
+     });
+
+        addEventHandler(MouseEvent.MOUSE_DRAGGED, new EventHandler<MouseEvent>() {
+            @Override
+            public void handle(MouseEvent e) {  
+                gc.lineTo(e.getX(), e.getY());
+                gc.stroke();
+                e.consume();
+            }
+        });
+
+        saveButton.setOnAction(new EventHandler<ActionEvent>(){
+            public void handle(ActionEvent e){
+                File imageFile;
+
+                snapshot(null,signature);
+                if(stage == null){
+                    imageFile = new File("SavedSignature"+filecounter+".png");
+                }else
+                    imageFile = fc.showSaveDialog(stage);
+
+                try{
+                    ImageIO.write(SwingFXUtils.fromFXImage(signature,null),"png", imageFile);
+                }catch(IOException ioe){
+                    System.out.println("something went wrong writing the image to disk");
+                }
+
+            }    
+        });
+
+
+    }
+
+    public Button getSaveButton(){
+            return saveButton;
+    }
+    public void setSaveButtonText(String text){
+        savebuttontext = text;
+    }
+    public void setButton(Button savebutton){
+        this.saveButton = savebutton;
+    }
+
+
+
+
+}