Zoom or Magnify function

I am trying to create a zoom or magnify tool. I have an image on the stage as a graphic, and also one that has been converted to a movie clip (mc_02) directly above the graphic. I also have a mask (mc_01) that functions as the magnifying glass for mc_02.
To see the outer edges of the mc_02, the mask has to be moved well off the original graphic. I think I need to somehow constrain what is displayed, but don’t know how. I need to keep the mask over the original image, yet display all of the magnified image. I have to keep the code in AS2.
mc_02.onMouseDown = function() {
    mc_01.startDrag(true,360,60,925,660);
    setProperty("mc_02", _xscale, 200);
    setProperty("mc_02", _yscale, 200);
mc_02.onMouseUp = function() {
    mc_01.stopDrag(false);

@kameotenk
There is always hope. I just figured that since you had already had the drive formatted, that we could instead try the system recovery option, as it is essentially restoring you to how it was out of the box when you bought it.
It is still an option, if you wish, but for that you would need to get a set of recovery disks or flash drive from HP. Normally there is a charge for that, as much because of licensing issues for the operating system. If you want to look into that see this: Obtaining HP Recovery Discs or an HP USB Recovery Drive
Also because of the number of problems you described, I would be looking at updating all of the drivers if you haven't yet. HP ENVY 14-2130nr Notebook PC Drivers
The one thing I noticed is that the supported drivers on the page are for windows 7 64 bit, not 32 bit. Are you sure that your computer is now running the 32 bit version of windows 7?
If that is the result of the tech who worked on your system, you may want to go for the recovery disks, mentioned before. Otherwise it will be necessary to find versions of the drivers that are compatible with 32 bit windows 7.
What if I Don't See My Operating System?
Malygris1
I work on behalf of HP
Please click Accept as Solution if you feel my post solved your issue, it will help others find the solution.
Click Kudos Thumbs Up on the right to say “Thanks” for helping!

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My web page was set up 800 pixels wide...
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Hello, this is my first post.
I'd like to add zoom in/out function to my ScrollPane, and make shortcut (CTRL+MOUSE SCROLL UP/DOWN) for it. ( like Inkscape )
I made the following code ( Canvas ) to achieve this, but have some problems.
*1. How can I prevent ScrollBar's thumb to move when pressing CTRL?*
When ScrollBar is visible and ScrollBar's thumb (or scroller, knob) has room to move, CTRL+MOUSE SCROLL UP/DOWN doesn't work because the thumb moves instead of zooming in/out.
When the thumb moves up/down to bar's end, then zoom in/out finally works fine.
*2. ScrollEvent handler is sometimes not called in ScrollPane*
When ScrollBarPolicy is not ScrollBarPolicy.ALWAYS and Scrollbar is not visible, SOMETIMES CTRL+SCROLL UP/DOWN operation dosen't work.
(ScrollEvent handler is not called. For other panes, ScrollEvent works fine. Please check MouseScrollEventTest below)
Thank you in advance.
Canvas
public class Canvas extends Application {
     DoubleProperty zoom = new SimpleDoubleProperty(1.0);
     final double MAX_ZOOM = 3.0;
     final double MIN_ZOOM = 0.1;
     @Override
     public void start(Stage stage) throws Exception {
          Rectangle rectangle = RectangleBuilder.create()
               .width(1000).height(1000)
               .fill( LinearGradientBuilder.create()
                    .stops(new Stop(0, Color.BLUE), new Stop(1, Color.RED))
                    .build()
               ).build();
          ScrollPane scrollPane = ScrollPaneBuilder.create()
               .content(
                    GroupBuilder.create()
                         .children(rectangle)
                         .build())
//               .hbarPolicy(ScrollBarPolicy.ALWAYS)
//               .vbarPolicy(ScrollBarPolicy.ALWAYS)
               .build();
          rectangle.scaleXProperty().bind(zoom);
          rectangle.scaleYProperty().bind(zoom);
          scrollPane.setOnScroll(new EventHandler<ScrollEvent>(){
               public void handle(ScrollEvent event) {
                    if( !event.isControlDown() ) return ;
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                    if ( event.getDeltaY() > 0 ) {
                         zoomValue = zoom.get() + 0.1;
                    } else {
                         zoomValue = zoom.get() - 0.1;
                    if( zoomValue > MAX_ZOOM || zoomValue < MIN_ZOOM ) return ;
                    zoom.set(zoomValue);
          Scene scene = SceneBuilder.create()
                    .width(500).height(500)
                    .root(scrollPane)
                    .build();
          stage.setScene(scene);
          stage.show();
     public static void main(String[] args) {
          launch(args);
Mouse Scroll Event Test
public class MouseScrollEventTest extends Application {
     BorderPane bPane;
     ScrollPane sPane;
     public void start(Stage stage) throws Exception {
          EventHandler<ScrollEvent> handler = new EventHandler<ScrollEvent>() {
               public void handle(ScrollEvent event) {
                    System.out.println(event);
          bPane = new BorderPane();
          bPane.setPrefSize(100, 100);
          sPane = new ScrollPane();
          sPane.setPrefSize(100, 100);
//          sPane.setContent( new Rectangle(50,50) );
//             This works fine.
          bPane.setOnScroll(handler);
//             Sometimes, this is not called.
          sPane.setOnScroll(handler);
          HBox root = new HBox();
          root.getChildren().addAll(bPane, sPane);
          Scene scene = new Scene(root);
//          scene.setOnScroll(handler);
          stage.setScene(scene);
          stage.show();
     public static void main(String[] args) {
          launch(args);
}--- My Environment
Windows Vista
JavaFX 2.0 SDK
Edited by: 932474 on 2012/05/07 4:31
Edited by: 932474 on 2012/05/07 4:47

Thank you for the good example.
But actually, I just give up using ScrollPane and created a ZoomCanvas which can zoom in/out and pan.
The code is here.
Any comments or improvement would be appreciated.
ZoomCanvas
public class ZoomCanvas extends StackPane {
     private ZoomController zoomController;
     private Group contentWrapper;
     private double translateXWhenMousePressed, translateYWhenMousePressed;
     private double xWhenMousePressed , yWhenMousePressed;
     private static class ZoomController {
          private int deltaCount = 0;
          private final double DEFAULT_ZOOM = 1.0;
          private boolean useAnimation = true;
          private DoubleProperty zoomMax   = new SimpleDoubleProperty(10.0);
          private DoubleProperty zoomMin   = new SimpleDoubleProperty(0.1);
          private DoubleProperty zoomDelta = new SimpleDoubleProperty(1.2);
          private DoubleProperty zoom      = new SimpleDoubleProperty( DEFAULT_ZOOM );
          public ZoomController() {
          public void zoomIn() {
               double zoomValue = DEFAULT_ZOOM * Math.pow(zoomDelta.get(), deltaCount+1);
               if( zoomValue > zoomMax.get() ) {
                    setZoom(zoomMax.get());
                    return;
               deltaCount++;
               setZoom( zoomValue );
          public void zoomOut() {
               double zoomValue = DEFAULT_ZOOM * Math.pow(zoomDelta.get(), deltaCount-1);
               if( zoomValue < zoomMin.get() ) {
                    setZoom(zoomMin.get());
                    return;
               deltaCount--;
               setZoom( zoomValue );
          public void setZoom( double zoomValue ) {
               if( useAnimation ) {
                    Timeline zoomTimeline = new Timeline();
                    zoomTimeline.getKeyFrames().add(
                         new KeyFrame(Duration.millis(300), new KeyValue(zoom, zoomValue))
                    zoomTimeline.play();
               } else {
                    zoom.set(zoomValue);
     public ZoomCanvas(Node content) {
          super();
          Rectangle clip = new Rectangle();
          clip.widthProperty().bind(widthProperty());
          clip.heightProperty().bind(heightProperty());
          // to adjust layoutBounds when drawingPane's scale changes
          contentWrapper = new Group(content);
          StackPane.setAlignment(contentWrapper, Pos.CENTER);
          getChildren().add(contentWrapper);
          zoomController = new ZoomController();
          content.scaleXProperty().bind(zoomController.zoom);
          content.scaleYProperty().bind(zoomController.zoom);
          content.translateXProperty();
          hookEvents();
          setClip(clip);
     private void hookEvents() {
          setOnScroll(new EventHandler<ScrollEvent>() {
               public void handle(ScrollEvent event) {
                    if( event.getDeltaY() > 0 ) {
                         zoomController.zoomIn();
                    } else {
                         zoomController.zoomOut();
          setOnMousePressed(new EventHandler<MouseEvent>(){
               public void handle(MouseEvent event) {
                    if( !event.isMiddleButtonDown() ) return ;
                    translateXWhenMousePressed = contentWrapper.getTranslateX();
                    translateYWhenMousePressed = contentWrapper.getTranslateY();
                    xWhenMousePressed = event.getX();
                    yWhenMousePressed = event.getY();
                    setCursor(Cursor.MOVE);
                    event.consume();
          setOnMouseReleased(new EventHandler<MouseEvent>(){
               public void handle(MouseEvent event) {
                    setCursor(Cursor.DEFAULT);
          setOnMouseDragged(new EventHandler<MouseEvent>(){
               public void handle(MouseEvent event) {
                    if(!event.isMiddleButtonDown())
                         return;
                    contentWrapper.setTranslateX( translateXWhenMousePressed + event.getX() - xWhenMousePressed );
                    contentWrapper.setTranslateY( translateYWhenMousePressed + event.getY() - yWhenMousePressed );
                    event.consume();
ZoomCanvasTest
public class ZoomCanvasTest extends Application {
     public void start(Stage primaryStage) throws Exception {
          Rectangle rect = new Rectangle(0,0,100,100);
          rect.setStyle("-fx-fill: blue;");
          Circle circle = new Circle(100,100,50);
          circle.setStyle("-fx-fill: red;");
          Pane canvasContent = new Pane();
          canvasContent.setStyle(
                    "-fx-background-color: papayawhip;" +
                    "-fx-border-color: black;");
          canvasContent.getChildren().add(circle);
          canvasContent.getChildren().add(rect);
          ZoomCanvas canvas = new ZoomCanvas(canvasContent);
          canvas.setStyle(
               "-fx-background-color: mistyrose;" +
               "-fx-border-color: black;"
          ToolBar toolBar = new ToolBar();
          toolBar.setOrientation(Orientation.VERTICAL);
          toolBar.getItems().add( new Button("sample") );
          BorderPane root = new BorderPane();
          root.setCenter(canvas);
          root.setRight(toolBar);
//          root.getChildren().addAll(canvas, toolBar);
          Scene scene = new Scene(root);
          primaryStage.setScene(scene);
          primaryStage.show();
     public static void main(String[] args) {
          launch(args);
}Edited by: 932474 on 2012/05/08 10:17
Edited by: 932474 on 2012/05/08 10:40
Edited by: 932474 on 2012/05/08 10:56

Zoom or Magnify function

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