Java Code Examples for org.eclipse.draw2d.IFigure#paint()

@Override
public void run() {
	IFigure contents = railroadView.getContents();
	if (contents != null) {
		FileDialog fileDialog = new FileDialog(this.railroadView.getSite().getShell(), SWT.SAVE);
		fileDialog.setFilterExtensions(new String[] { "*.png" });
		fileDialog.setText("Choose diagram file");
		String fileName = fileDialog.open();
		if (fileName == null) {
			return;
		}
		Dimension preferredSize = contents.getPreferredSize();
		Image image = new Image(Display.getDefault(), preferredSize.width + 2 * PADDING, preferredSize.height + 2
				* PADDING);
		GC gc = new GC(image);
		SWTGraphics graphics = new SWTGraphics(gc);
		graphics.translate(PADDING, PADDING);
		graphics.translate(contents.getBounds().getLocation().getNegated());
		contents.paint(graphics);
		ImageData imageData = image.getImageData();
		ImageLoader imageLoader = new ImageLoader();
		imageLoader.data = new ImageData[] { imageData };
		imageLoader.save(fileName, SWT.IMAGE_PNG);
	}
}
 

/**
 * {@inheritDoc}
 */
@Override
protected void printPages() {
    final Graphics graphics = getFreshPrinterGraphics();
    final IFigure figure = getPrintSource();
    setupPrinterGraphicsFor(graphics, figure);
    final Rectangle bounds = figure.getBounds();
    int x = bounds.x, y = bounds.y;
    final Rectangle clipRect = new Rectangle();
    while (y < bounds.y + bounds.height) {
        while (x < bounds.x + bounds.width) {
            graphics.pushState();
            getPrinter().startPage();
            graphics.translate(-x, -y);
            graphics.getClip(clipRect);
            clipRect.setLocation(x, y);
            graphics.clipRect(clipRect);
            figure.paint(graphics);
            getPrinter().endPage();
            graphics.popState();
            x += clipRect.width;
        }
        x = bounds.x;
        y += clipRect.height;
    }
}
 

@Override
protected void printPages() {
    final Graphics graphics = getFreshPrinterGraphics();
    final IFigure figure = getPrintSource();
    setupPrinterGraphicsFor(graphics, figure);
    final Rectangle bounds = figure.getBounds();
    int x = bounds.x, y = bounds.y;
    final Rectangle clipRect = new Rectangle();
    while (y < bounds.y + bounds.height) {
        while (x < bounds.x + bounds.width) {
            graphics.pushState();
            getPrinter().startPage();
            graphics.translate(-x, -y);
            graphics.getClip(clipRect);
            clipRect.setLocation(x, y);
            graphics.clipRect(clipRect);
            figure.paint(graphics);
            getPrinter().endPage();
            graphics.popState();
            x += clipRect.width;
        }
        x = bounds.x;
        y += clipRect.height;
    }
}
 

@Override
public void run() {
	if (file == null)
		return;
	log.trace("export product graph as image: {}", file);
	ScalableRootEditPart editPart = (ScalableRootEditPart) editor.getGraphicalViewer().getRootEditPart();
	IFigure rootFigure = editPart.getLayer(LayerConstants.PRINTABLE_LAYERS);
	Rectangle bounds = rootFigure.getBounds();
	Image img = new Image(null, bounds.width, bounds.height);
	GC imageGC = new GC(img);
	Graphics graphics = new SWTGraphics(imageGC);
	rootFigure.paint(graphics);
	ImageLoader imgLoader = new ImageLoader();
	imgLoader.data = new ImageData[] { img.getImageData() };
	imgLoader.save(file.getAbsolutePath(), SWT.IMAGE_PNG);
}
 

/**
 * {@inheritDoc}
 */
@Override
protected void printPages() {
	Graphics graphics = getFreshPrinterGraphics();
	IFigure figure = getPrintSource();
	setupPrinterGraphicsFor(graphics, figure);
	Rectangle bounds = figure.getBounds();
	int x = bounds.x, y = bounds.y;
	Rectangle clipRect = new Rectangle();
	while (y < bounds.y + bounds.height) {
		while (x < bounds.x + bounds.width) {
			graphics.pushState();
			getPrinter().startPage();
			graphics.translate(-x, -y);
			graphics.getClip(clipRect);
			clipRect.setLocation(x, y);
			graphics.clipRect(clipRect);
			figure.paint(graphics);
			getPrinter().endPage();
			graphics.popState();
			x += clipRect.width;
		}
		x = bounds.x;
		y += clipRect.height;
	}
}
 

/**
 * Prints the pages based on the current print mode.
 * 
 * @see org.eclipse.draw2d.PrintOperation#printPages()
 */
protected void printPages( )
{
	Graphics graphics = getFreshGraphics( );
	IFigure figure = getPrintSource( );
	setupPrinterGraphicsFor( graphics, figure );
	Rectangle bounds = figure.getBounds( );
	int x = bounds.x, y = bounds.y;
	Rectangle clipRect = new Rectangle( );
	while ( y < bounds.y + bounds.height )
	{
		while ( x < bounds.x + bounds.width )
		{
			graphics.pushState( );
			graphics.translate( -x, -y );
			graphics.getClip( clipRect );
			clipRect.setLocation( x, y );
			graphics.clipRect( clipRect );
			figure.paint( graphics );
			graphics.popState( );
			x += clipRect.width;
			if ( x == 0 )
			{
				return;
			}
		}
		x = bounds.x;
		y += clipRect.height;
	}
}
 

private Image createImage() {
	try {
		ScalableRootEditPart root = (ScalableRootEditPart) sankeyDiagram.getGraphicalViewer().getRootEditPart();
		IFigure figure = root.getLayer(LayerConstants.PRINTABLE_LAYERS);
		Rectangle bounds = figure.getBounds();
		Image img = new Image(null, bounds.width, bounds.height);
		GC imageGC = new GC(img);
		Graphics graphics = new SWTGraphics(imageGC);
		figure.paint(graphics);
		return img;
	} catch (Exception e) {
		log.error("Could not create image", e);
		return null;
	}
}
 

/**
 * Given a GEF GraphicalViewer, this method creates a save file dialog and
 * will save the contents of the viewer as an image file. Supported
 * extensions include PNG, JPG, and BMP.
 * 
 * @param viewer
 *            The GraphicalViewer to save as an image.
 */
protected static void saveViewerImage(GraphicalViewer viewer) {

	// Store the allowed extensions in a HashMap.
	HashMap<String, Integer> extensions = new HashMap<String, Integer>(4);
	extensions.put("png", SWT.IMAGE_PNG);
	extensions.put("jpg", SWT.IMAGE_JPEG);
	extensions.put("bmp", SWT.IMAGE_BMP);

	// Make the array of strings needed to pass to the file dialog.
	String[] extensionStrings = new String[extensions.keySet().size()];
	int i = 0;
	for (String extension : extensions.keySet()) {
		extensionStrings[i++] = "*." + extension;
	}

	// Create the file save dialog.
	FileDialog fileDialog = new FileDialog(viewer.getControl().getShell(),
			SWT.SAVE);
	fileDialog.setFilterExtensions(extensionStrings);
	fileDialog.setOverwrite(true);

	// Get the path of the new/overwritten image file.
	String path = fileDialog.open();

	// Return if the user cancelled.
	if (path == null) {
		return;
	}

	// Get the image type to save from the path's extension.
	String[] splitPath = path.split("\\.");
	int extensionSWT = extensions.get(splitPath[splitPath.length - 1]);

	// Get the root EditPart and its draw2d Figure.
	SimpleRootEditPart rootEditPart = (SimpleRootEditPart) viewer
			.getRootEditPart();
	IFigure figure = rootEditPart.getFigure();

	// Get the image from the Figure.
	org.eclipse.draw2d.geometry.Rectangle bounds = figure.getBounds();
	Image image = new Image(null, bounds.width, bounds.height);
	GC gc = new GC(image);
	SWTGraphics g = new SWTGraphics(gc);
	figure.paint(g);
	g.dispose();
	gc.dispose();

	// Save the file.
	ImageLoader loader = new ImageLoader();
	loader.data = new ImageData[] { image.getImageData() };
	loader.save(path, extensionSWT);
	image.dispose();

	return;
}