| /******************************************************************************* |
| * Copyright (c) 2001, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.xsd.ui.internal.graph; |
| |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.swt.graphics.GC; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.ImageData; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.printing.PrintDialog; |
| import org.eclipse.swt.printing.Printer; |
| import org.eclipse.swt.printing.PrinterData; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| |
| |
| public class PrintGraphAction extends Action |
| { |
| protected XSDComponentViewer componentViewer; |
| |
| public PrintGraphAction(XSDComponentViewer componentViewer) |
| { |
| super("Print"); |
| this.componentViewer = componentViewer; |
| } |
| |
| public void run() |
| { |
| try |
| { |
| PrintDialog dialog = new PrintDialog(Display.getCurrent().getActiveShell()); |
| PrinterData data = dialog.open(); |
| Printer printer = new Printer(data); |
| |
| Control control = componentViewer.getControl(); |
| Display display = Display.getCurrent(); |
| Image graphImage = new Image(display, control.getSize().x, control.getSize().y); |
| GC graphGC = new GC(control); |
| graphGC.copyArea(graphImage, 0, 0); |
| |
| ImageData graphImageData = graphImage.getImageData(); |
| graphImageData.transparentPixel = -1; |
| |
| Point screenDPI = display.getDPI(); |
| Point printerDPI = printer.getDPI(); |
| int scaleFactor = printerDPI.x / screenDPI.x; |
| Rectangle trim = printer.computeTrim(0, 0, 0, 0); |
| if (printer.startJob("Print XML Schema Graph")) |
| { |
| GC gc = new GC(printer); |
| if (printer.startPage()) |
| { |
| gc.drawImage( |
| graphImage, |
| 0, |
| 0, |
| graphImageData.width, |
| graphImageData.height, |
| -trim.x, |
| -trim.y, |
| scaleFactor * graphImageData.width, |
| scaleFactor * graphImageData.height); |
| printer.endPage(); |
| } |
| printer.endJob(); |
| } |
| printer.dispose(); |
| graphGC.dispose(); |
| } |
| catch (Exception e) |
| { |
| e.printStackTrace(); |
| } |
| } |
| } |