@Override
public void mouseWheelMoved(MouseWheelEvent e) {
final int wheelRotation = e.getWheelRotation();
final double newZoomFactor =
layerCanvas.getViewport().getZoomFactor() * Math.pow(1.1, wheelRotation);
layerCanvas.getViewport().setZoomFactor(newZoomFactor);
}
public static void installLayerCanvasNavigation(LayerCanvas layerCanvas) {
layerCanvas.setNavControlShown(true);
final MouseHandler mouseHandler = new MouseHandler(layerCanvas);
layerCanvas.addMouseListener(mouseHandler);
layerCanvas.addMouseMotionListener(mouseHandler);
layerCanvas.addMouseWheelListener(mouseHandler);
}
private void zoomToPixelResolution() {
final ProductSceneView view = getCurrentView();
if (view != null) {
final LayerCanvas layerCanvas = view.getLayerCanvas();
layerCanvas.getViewport().setZoomFactor(layerCanvas.getDefaultZoomFactor());
maybeSynchronizeCompatibleProductViews();
}
}
public static void displayImages(
String title,
RenderedImage[] images,
AffineTransform[] imageToModelTransforms,
int levelCount) {
final LayerCanvas layerCanvas = new LayerCanvas();
installLayerCanvasNavigation(layerCanvas);
final Layer collectionLayer = layerCanvas.getLayer();
for (int i = 0; i < images.length; i++) {
final ImageLayer layer = new ImageLayer(images[i], imageToModelTransforms[i], levelCount);
collectionLayer.getChildren().add(layer);
}
openFrame(layerCanvas, title, new Rectangle(0, 0, 512, 512));
}
public static void displayImage(
File location, String extension, AffineTransform imageToModelTransform, int levelCount) {
final LayerCanvas layerCanvas = new LayerCanvas();
installLayerCanvasNavigation(layerCanvas);
final Layer collectionLayer = layerCanvas.getLayer();
final MultiLevelSource source =
FileMultiLevelSource.create(location, extension, imageToModelTransform, levelCount);
final ImageLayer layer = new ImageLayer(source);
collectionLayer.getChildren().add(layer);
final Rectangle viewportBounds = new Rectangle(0, 0, 640, 480);
layerCanvas.setPreferredSize(new Dimension(640, 480));
layerCanvas.getViewport().setViewBounds(viewportBounds);
layerCanvas.getViewport().zoom(layer.getModelBounds());
openFrame(layerCanvas, location.getPath(), viewportBounds);
}
@Override
public void mouseDragged(MouseEvent e) {
final Point p = e.getPoint();
final double dx = p.x - p0.x;
final double dy = p.y - p0.y;
layerCanvas.getViewport().moveViewDelta(dx, dy);
p0 = p;
}