ImageSaveUtil.java

///*******************************************************************************
// * Copyright (c) 2012 - 2015 hangum.
// * All rights reserved. This program and the accompanying materials
// * are made available under the terms of the GNU Lesser Public License v2.1
// * which accompanies this distribution, and is available at
// * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
// * 
// * Contributors:
// *     hangum - initial API and implementation
// ******************************************************************************/
//package com.hangum.tadpole.rdb.erd.core.utils;
//
//import org.eclipse.draw2d.Graphics;
//import org.eclipse.draw2d.IFigure;
//import org.eclipse.draw2d.SWTGraphics;
//import org.eclipse.draw2d.geometry.Rectangle;
//import org.eclipse.gef.GraphicalViewer;
//import org.eclipse.gef.LayerConstants;
//import org.eclipse.gef.editparts.LayerManager;
//import org.eclipse.gef.editparts.ScalableRootEditPart;
//import org.eclipse.swt.graphics.GC;
//import org.eclipse.swt.graphics.Image;
//import org.eclipse.swt.graphics.ImageData;
//import org.eclipse.swt.graphics.ImageLoader;
//import org.eclipse.swt.widgets.Control;
//import org.eclipse.ui.PlatformUI;
//
///**
// *
// *
// *
// * @author hangum
// * @version 1.6.1
// * @since 2015. 4. 15.
// *
// */
//public class ImageSaveUtil {
//
////	public static boolean save(IEditorPart editorPart, GraphicalViewer viewer, String saveFilePath, int format) {
////		Assert.isNotNull(editorPart, "null editorPart passed to ImageSaveUtil::save");
////		Assert.isNotNull(viewer, "null viewer passed to ImageSaveUtil::save");
////		Assert.isNotNull(saveFilePath, "null saveFilePath passed to ImageSaveUtil::save");
////
////		if (format != SWT.IMAGE_BMP && format != SWT.IMAGE_JPEG && format != SWT.IMAGE_ICO)
////			throw new IllegalArgumentException("Save format not supported");
////
////		try {
////			saveEditorContentsAsImage(editorPart, viewer, saveFilePath, format);
////		} catch (Exception ex) {
////			MessageDialog.openError(editorPart.getEditorSite().getShell(), "Save Error",
////					"Could not save editor contents");
////			return false;
////		}
////
////		return true;
////	}
//
////	public static boolean save(IEditorPart editorPart, GraphicalViewer viewer) {
////		Assert.isNotNull(editorPart, "null editorPart passed to ImageSaveUtil::save");
////		Assert.isNotNull(viewer, "null viewer passed to ImageSaveUtil::save");
////
////		String saveFilePath = "/Users/hangum/Downloads/gefout.png";// getSaveFilePath(editorPart,
////																	// viewer,
////																	// -1);
////		if (saveFilePath == null)
////			return false;
////
////		int format = SWT.IMAGE_JPEG;
////		if (saveFilePath.endsWith(".jpeg"))
////			format = SWT.IMAGE_JPEG;
////		else if (saveFilePath.endsWith(".bmp"))
////			format = SWT.IMAGE_BMP;
////		else if (saveFilePath.endsWith(".ico"))
////			format = SWT.IMAGE_ICO;
////
////		return save(editorPart, viewer, saveFilePath, format);
////	}
//
//	// private static String getSaveFilePath(IEditorPart editorPart,
//	// GraphicalViewer viewer, int format)
//	// {
//	// FileDialog fileDialog = new
//	// FileDialog(editorPart.getEditorSite().getShell(), SWT.SAVE);
//	//
//	// String[] filterExtensions = new String[] {"*.jpeg", "*.bmp", "*.ico"/*,
//	// "*.png", "*.gif"*/};
//	// if( format == SWT.IMAGE_BMP )
//	// filterExtensions = new String[] {"*.bmp"};
//	// else if( format == SWT.IMAGE_JPEG )
//	// filterExtensions = new String[] {"*.jpeg"};
//	// else if( format == SWT.IMAGE_ICO )
//	// filterExtensions = new String[] {"*.ico"};
//	// fileDialog.setFilterExtensions(filterExtensions);
//	//
//	// return fileDialog.open();
//	// }
//
//	public static void saveEditorContentsAsImage( GraphicalViewer viewer, String saveFilePath,
//			int format) {
//		/*
//		 * 1. First get the figure whose visuals we want to save as image. So we
//		 * would like to save the rooteditpart which actually hosts all the
//		 * printable layers.
//		 * 
//		 * NOTE: ScalableRootEditPart manages layers and is registered
//		 * graphicalviewer's editpartregistry with the key LayerManager.ID ...
//		 * well that is because ScalableRootEditPart manages all layers that are
//		 * hosted on a FigureCanvas. Many layers exist for doing different
//		 * things
//		 */
//		ScalableRootEditPart rootEditPart = (ScalableRootEditPart) viewer.getEditPartRegistry().get(LayerManager.ID);
//		IFigure rootFigure = ((LayerManager) rootEditPart).getLayer(LayerConstants.PRINTABLE_LAYERS);// rootEditPart.getFigure();
//		Rectangle rootFigureBounds = rootFigure.getBounds();
//
//		/*
//		 * 2. Now we want to get the GC associated with the control on which all
//		 * figures are painted by SWTGraphics. For that first get the SWT
//		 * Control associated with the viewer on which the rooteditpart is set
//		 * as contents
//		 */
//		Control figureCanvas = viewer.getControl();
//		GC figureCanvasGC = new GC(figureCanvas);
//
//		/*
//		 * 3. Create a new Graphics for an Image onto which we want to paint
//		 * rootFigure
//		 */
//		Image img = new Image(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell().getDisplay(), rootFigureBounds.width, rootFigureBounds.height);
////		GC imageGC = new GC(img);
//		GC imageGC = new GC(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell().getDisplay());
//		imageGC.drawImage(img, rootFigureBounds.width, rootFigureBounds.height);
//		
//		imageGC.setBackground(figureCanvasGC.getBackground());
//		imageGC.setForeground(figureCanvasGC.getForeground());
//		imageGC.setFont(figureCanvasGC.getFont());
//		// imageGC.setLineStyle(figureCanvasGC.getLineStyle());
//		imageGC.setLineWidth(figureCanvasGC.getLineWidth());
//		// imageGC.setXORMode(figureCanvasGC.getXORMode());
//		Graphics imgGraphics = new SWTGraphics(imageGC);
//
//		/*
//		 * 4. Draw rootFigure onto image. After that image will be ready for
//		 * save
//		 */
//		rootFigure.paint(imgGraphics);
//
//		/* 5. Save image */
//		ImageData[] imgData = new ImageData[1];
//		imgData[0] = img.getImageData();
//
//		ImageLoader imgLoader = new ImageLoader();
//		imgLoader.data = imgData;
//		imgLoader.save(saveFilePath, format);
//
//		/* release OS resources */
//		figureCanvasGC.dispose();
//		imageGC.dispose();
//		img.dispose();
//	}
//
//}