1.5/plugins/org.eclipse.epf.library/src/org/eclipse/epf/library/layout/diagram/RoleDiagramPublisher.java - epf/org.eclipse.epf.composer - Git at Google

 //------------------------------------------------------------------------------
 // Copyright (c) 2005, 2006 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 implementation
 //------------------------------------------------------------------------------
 package org.eclipse.epf.library.layout.diagram;

 import java.awt.BasicStroke;
 import java.awt.Color;
 import java.awt.Font;
 import java.awt.Graphics2D;
 import java.awt.Point;
 import java.awt.Rectangle;
 import java.awt.RenderingHints;
 import java.awt.TexturePaint;
 import java.awt.geom.Line2D;
 import java.awt.image.BufferedImage;
 import java.io.File;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Locale;

 import javax.imageio.ImageIO;
 import javax.swing.JPanel;

 import org.eclipse.core.runtime.Platform;
 import org.eclipse.epf.common.utils.I18nUtil;
 import org.eclipse.epf.common.utils.ImageUtil;
 import org.eclipse.epf.library.LibraryPlugin;
 import org.eclipse.epf.library.LibraryResources;
 import org.eclipse.epf.library.layout.IElementLayout;
 import org.eclipse.epf.library.layout.elements.RoleLayout;
 import org.eclipse.epf.library.preferences.LibraryPreferences;
 import org.eclipse.epf.uma.Role;
 import org.eclipse.epf.uma.Task;
 import org.eclipse.epf.uma.WorkProduct;
 import org.eclipse.swt.SWT;

 /**
  * Renders the Role diagram using Java2D and saves it as a JPEG file.
  *
  * @author Kelvin Low
  * @author Jinhua Xi
  * @since 1.0
  */
 public class RoleDiagramPublisher {

 	private static final String DEFAULT_FONT_NAME = "Arial"; //$NON-NLS-1$

 	private static final int DEFAULT_FONT_SIZE = 10;

 	private static final int DEFAULT_X_MARGIN = 200;

 	// The maximum width of the generated image.
 	private int maxImageWidth = 1024;

 	// The maximum height of the generated image.
 	private int maxImageHeight = 1024;

 	// The border width.
 	private int borderWidth = 10;

 	// The border height.
 	private int borderHeight = 10;

 	// The additional spacing before the left-most Task and/or Work Product
 	// image.
 	private int xMargin = 240;

 	// The horizontal spacing between the element images.
 	private int xSpacing;

 	// The vertical spacing between the element images.
 	private int ySpacing;

 	// The maximun number of text lines for the element labels.
 	private int maxTextLines;

 	private int linePadding = 12;

 	private Font textFont = null;

 	/**
 	 * Creates a new <code>ImagePublisher</code>.
 	 */
 	public RoleDiagramPublisher() {
 		// Select the font for rendering the element names.
 		String fontName;
 		int fontSize;
 		fontName = getFontName();
 		if (SWT.getPlatform().equals(Platform.WS_WIN32)) {
 			fontSize = I18nUtil.getInt(
 					LibraryResources.roleDiagramFont_size_win32,
 					DEFAULT_FONT_SIZE);
 		} else {
 			fontSize = I18nUtil.getInt(LibraryResources.roleDiagramFont_size,
 					DEFAULT_FONT_SIZE);
 		}
 		if (fontName.startsWith("[")) { //$NON-NLS-1$
 			fontName = DEFAULT_FONT_NAME;
 		}
 		textFont = new Font(fontName, Font.PLAIN, fontSize);

 		xMargin = I18nUtil.getInt(LibraryResources.roleDiagram_xMargin,
 				DEFAULT_X_MARGIN);

 		xSpacing = LibraryPreferences.getRoleDiagramHorizontalSpacing();
 		ySpacing = LibraryPreferences.getRoleDiagramVerticalSpacing();
 		maxTextLines = LibraryPreferences.getRoleDiagramMaximumTextLines();
 	}

 	private String getFontName() {
 		String fontName;
 		if (Platform.getNL().startsWith("ja")) { //$NON-NLS-1$
 			if (SWT.getPlatform().equals(Platform.WS_WIN32)) {
 				fontName = LibraryResources.roleDiagramFont_name_win32_ja;
 			} else {
 				fontName = LibraryResources.roleDiagramFont_name_ja;
 			}
 		} else if (Platform.getNL().startsWith("ko")) { //$NON-NLS-1$
 			if (SWT.getPlatform().equals(Platform.WS_WIN32)) {
 				fontName = LibraryResources.roleDiagramFont_name_win32_ko;
 			} else {
 				fontName = LibraryResources.roleDiagramFont_name_ko;
 			}
 		} else if (Platform.getNL().startsWith("zh_TW")) { //$NON-NLS-1$
 			if (SWT.getPlatform().equals(Platform.WS_WIN32)) {
 				fontName = LibraryResources.roleDiagramFont_name_win32_zh_TW;
 			} else {
 				fontName = LibraryResources.roleDiagramFont_name_zh_TW;
 			}
 		} else if (Platform.getNL().startsWith("zh")) { //$NON-NLS-1$
 			if (SWT.getPlatform().equals(Platform.WS_WIN32)) {
 				fontName = LibraryResources.roleDiagramFont_name_win32_zh;
 			} else {
 				fontName = LibraryResources.roleDiagramFont_name_zh;
 			}
 		} else {
 			if (SWT.getPlatform().equals(Platform.WS_WIN32)) {
 				fontName = LibraryResources.roleDiagramFont_name_win32;
 			} else {
 				fontName = LibraryResources.roleDiagramFont_name;
 			}
 		}
 		return fontName;

 	}

 	/**
 	 * Generates the Role Diagram HTML source for the given role.
 	 *
 	 * @param role
 	 *            The Role element.
 	 * @param path
 	 *            The publish path.
 	 * @return A <code>MethodElementDiagram</code> object associated with the
 	 *         published diagram.
 	 */
 	public MethodElementDiagram publish(RoleLayout roleLayout, File path) {

 		Role role = (Role) roleLayout.getElement();

 		if (role == null) {
 			throw new IllegalArgumentException();
 		}

 		try {
 			MethodElementDiagram elementDiagram = new MethodElementDiagram(role);

 			String publishDir = roleLayout.getLayoutMgr().getPublishDir();
 			String mapName = roleLayout.getDisplayName();
 			if (mapName == null || mapName.length() == 0) {
 				mapName = "Unknown"; //$NON-NLS-1$
 			} else {
 				mapName = mapName.replace(' ', '_');
 			}
 			HTMLMap htmlMap = new HTMLMap(mapName);
 			elementDiagram.setHTMLMap(htmlMap);

 			// Create the AWT JPanel for rendering the diagram.
 			JPanel panel = new JPanel();

 			// Create the output BufferedImage.
 			BufferedImage outputImage = new BufferedImage(maxImageWidth,
 					maxImageHeight, BufferedImage.TYPE_INT_RGB);
 			Graphics2D g2d = (Graphics2D) outputImage.getGraphics();

 			// Switch on anti-aliasing.
 			g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
 					RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
 			g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
 					RenderingHints.VALUE_ANTIALIAS_ON);
 			g2d.fillRect(0, 0, maxImageWidth, maxImageHeight);

 			// Set the stroke for drawing the association lines.
 			g2d.setStroke(new BasicStroke(1.25f));
 			g2d.setColor(Color.BLACK);

 			int xOffset = xSpacing / 2;

 			// Renders the Tasks performed by the Role.
 			List tasks = roleLayout.getPerforms();
 			int totalTasks = tasks != null ? tasks.size() : 0;
 			Point taskStartPoint = new Point(borderWidth + xMargin,
 					borderHeight);
 			Point taskEndPoint = new Point(borderWidth + xMargin, borderHeight);
 			int x = taskStartPoint.x;
 			int y = taskStartPoint.y;
 			int tasksEndX = 0;
 			if (totalTasks > 0) {
 				int taskNo = 1;
 				for (Iterator i = tasks.iterator(); i.hasNext(); taskNo++) {
 					Task task = (Task) i.next();

 					IElementLayout taskLayout = roleLayout.getLayoutMgr()
 							.getLayout(task, true);

 					String taskName = taskLayout.getDisplayName();
 					String imageFile = publishDir
 							+ taskLayout.getDiagramiconUrl();
 					try {
 						BufferedImage taskImage = ImageUtil.getBufferedImage(
 								imageFile, panel);
 						int taskWidth = taskImage.getWidth();
 						int taskHeight = taskImage.getHeight();
 						if (taskNo == 1) {
 							taskEndPoint.x += taskWidth;
 							taskEndPoint.y += taskHeight;
 							tasksEndX = taskEndPoint.x;
 						}
 						Rectangle taskImageRect = new Rectangle(x, y,
 								taskWidth, taskHeight);
 						TexturePaint taskPaint = new TexturePaint(taskImage,
 								taskImageRect);
 						g2d.setPaint(taskPaint);
 						g2d.fill(taskImageRect);
 						if (taskName != null) {
 							ImageUtil.drawText(g2d, taskName, textFont,
 									Color.BLACK, x - xOffset, taskEndPoint.y,
 									taskWidth + xSpacing, maxTextLines);
 						}

 						String href = taskLayout.getFilePath(roleLayout)
 								+ taskLayout.getFileName(".html"); //$NON-NLS-1$
 						HTMLArea htmlArea = new HTMLArea(task.getGuid(), href,
 								"rect", taskImageRect, taskName); //$NON-NLS-1$
 						htmlMap.addArea(htmlArea);

 						if (x + taskWidth > tasksEndX) {
 							tasksEndX = x + taskWidth;
 						}

 						if (i.hasNext()) {
 							int xIncrement = taskWidth + xSpacing;
 							x += xIncrement;
 							taskEndPoint.x += xIncrement;
 							if ((x + xIncrement + xOffset + borderWidth) > maxImageWidth) {
 								x = taskStartPoint.x;
 								int yIncrement = taskHeight + ySpacing;
 								y += yIncrement;
 								taskEndPoint.y += yIncrement;
 								taskEndPoint.x = taskStartPoint.x + taskWidth;
 							}
 						}
 					} catch (Exception e) {
 						LibraryPlugin.getDefault().getLogger().logError(e);
 					}
 				}
 			}

 			// Renders the Work Products that the Role is responsible for.
 			List workProducts = roleLayout.getResponsibleFor();
 			int totalWorkProducts = workProducts != null ? workProducts.size()
 					: 0;
 			Point workProductStartPoint = new Point(taskStartPoint.x,
 					borderHeight);
 			Point workProductEndPoint = new Point(taskStartPoint.x,
 					borderHeight);
 			if (totalTasks > 0 && totalWorkProducts > 0) {
 				workProductStartPoint.y = taskEndPoint.y + ySpacing + ySpacing
 						/ 2;
 				workProductEndPoint.y = workProductStartPoint.y;
 			} else if (totalTasks > 0) {
 				workProductEndPoint.y = taskEndPoint.y + borderHeight;
 			}
 			x = workProductStartPoint.x;
 			y = workProductStartPoint.y;
 			int workProductsEndX = 0;
 			if (totalWorkProducts > 0) {
 				int workProductNo = 1;
 				for (Iterator i = workProducts.iterator(); i.hasNext(); workProductNo++) {
 					WorkProduct workProduct = (WorkProduct) i.next();

 					IElementLayout wpLayout = roleLayout.getLayoutMgr()
 							.getLayout(workProduct, true);

 					String workProductName = wpLayout.getDisplayName();
 					String imageFile = publishDir
 							+ wpLayout.getDiagramiconUrl();
 					try {
 						BufferedImage workProductImage = ImageUtil
 								.getBufferedImage(imageFile, panel);
 						int workProductWidth = workProductImage.getWidth();
 						int workProductHeight = workProductImage.getHeight();
 						if (workProductNo == 1) {
 							workProductEndPoint.x += workProductWidth;
 							workProductEndPoint.y += workProductHeight;
 							workProductsEndX = workProductEndPoint.x;
 						}
 						Rectangle workProductImageRect = new Rectangle(x, y,
 								workProductWidth, workProductHeight);
 						TexturePaint workProductPaint = new TexturePaint(
 								workProductImage, workProductImageRect);
 						g2d.setPaint(workProductPaint);
 						g2d.fill(workProductImageRect);
 						if (workProductName != null) {
 							ImageUtil.drawText(g2d, workProductName, textFont,
 									Color.BLACK, x - xOffset,
 									workProductEndPoint.y, workProductWidth
 											+ xSpacing, maxTextLines);
 						}

 						String href = wpLayout.getFilePath(roleLayout)
 								+ wpLayout.getFileName(".html"); //$NON-NLS-1$

 						HTMLArea htmlArea = new HTMLArea(workProduct.getGuid(),
 								href,
 								"rect", workProductImageRect, workProductName); //$NON-NLS-1$
 						htmlMap.addArea(htmlArea);

 						if (x + workProductWidth > workProductsEndX) {
 							workProductsEndX = x + workProductWidth;
 						}

 						if (i.hasNext()) {
 							int xIncrement = workProductWidth + xSpacing;
 							x += xIncrement;
 							workProductEndPoint.x += xIncrement;
 							if ((x + xIncrement + xOffset + borderWidth) > maxImageWidth) {
 								x = workProductStartPoint.x;
 								int yIncrement = workProductHeight + ySpacing;
 								y += yIncrement;
 								workProductEndPoint.y += yIncrement;
 								workProductEndPoint.x = workProductStartPoint.x
 										+ workProductWidth;
 							}
 						}
 					} catch (Exception e) {
 						LibraryPlugin.getDefault().getLogger().logError(e);
 					}
 				}
 			}

 			// Render the Role.
 			Point roleStartPoint = new Point(xOffset - 5, borderHeight);
 			Point roleEndPoint = roleStartPoint;
 			try {
 				String roleName = roleLayout.getDisplayName();
 				String imageFile = publishDir + roleLayout.getDiagramiconUrl();
 				BufferedImage roleImage = ImageUtil.getBufferedImage(imageFile,
 						panel);
 				int roleWidth = roleImage.getWidth();
 				int roleHeight = roleImage.getHeight();
 				x = xOffset - 5;
 				y = borderHeight;
 				roleEndPoint.x += roleWidth;
 				roleEndPoint.y += roleHeight;
 				if (totalWorkProducts > 0) {
 					y = borderHeight
 							+ (workProductEndPoint.y - taskStartPoint.y - roleHeight)
 							/ 2;

 					// Render the "responsible for" association line.
 					Point startPoint = new Point(x + roleWidth + linePadding
 							/ 2, y + roleHeight / 2);
 					int lineEndPoint = workProductStartPoint.x - linePadding;
 					if (lineEndPoint > (DEFAULT_X_MARGIN - xSpacing / 2)) {
 						lineEndPoint = (DEFAULT_X_MARGIN - xSpacing / 2);
 					}
 					Point endPoint = new Point(workProductStartPoint.x
 							- linePadding, workProductStartPoint.y
 							+ (workProductEndPoint.y - workProductStartPoint.y)
 							/ 2);
 					renderAssociation(g2d, startPoint, endPoint,
 							LibraryResources.roleDiagramResponsibleFor_text,
 							textFont, Color.BLACK);
 				} else if (totalTasks > 0) {
 					y = borderHeight
 							+ (taskEndPoint.y - taskStartPoint.y - roleHeight)
 							/ 2;
 				}
 				roleStartPoint.y = y;
 				roleEndPoint.y = y + roleHeight;

 				if (totalTasks > 0) {
 					// Render the "performs" association line.
 					Point startPoint = new Point(x + roleWidth + linePadding
 							/ 2, y + roleHeight / 2);
 					int lineEndPoint = taskStartPoint.x - linePadding;
 					if (lineEndPoint > (DEFAULT_X_MARGIN - xSpacing / 2)) {
 						lineEndPoint = (DEFAULT_X_MARGIN - xSpacing / 2);
 					}
 					Point endPoint = new Point(lineEndPoint, borderHeight
 							+ (taskEndPoint.y - taskStartPoint.y) / 2);
 					renderAssociation(g2d, startPoint, endPoint,
 							LibraryResources.roleDiagramPerforms_text,
 							textFont, Color.BLACK);
 				}
 				Rectangle roleImageRect = new Rectangle(x, y, roleWidth,
 						roleHeight);
 				TexturePaint rolePaint = new TexturePaint(roleImage,
 						roleImageRect);
 				g2d.setPaint(rolePaint);
 				g2d.fill(roleImageRect);
 				if (roleName != null) {
 					ImageUtil.drawText(g2d, roleName, textFont, Color.BLACK, x
 							- xOffset, y + roleHeight, roleWidth + xSpacing,
 							maxTextLines);
 				}
 			} catch (Exception e) {
 				LibraryPlugin.getDefault().getLogger().logError(e);
 			}

 			// Calculate the optimal width and height for the rendered image.
 			int optimalWidth = Math.max(tasksEndX, workProductsEndX)
 					+ borderWidth;
 			optimalWidth = Math.max(optimalWidth, roleEndPoint.x + borderWidth);

 			optimalWidth = Math.min(optimalWidth, maxImageWidth);

 			int optimalHeight = workProductEndPoint.y + borderHeight;
 			optimalHeight = Math.max(optimalHeight, roleEndPoint.y
 					+ borderHeight);
 			optimalWidth += xOffset;
 			optimalHeight += (maxTextLines * 10);

 			optimalHeight = Math.min(optimalHeight, maxImageHeight);
 			BufferedImage optimalImage = outputImage.getSubimage(0, 0,
 					optimalWidth, optimalHeight);

 			// Save the image as a JPEG file.
 			File jpgFile = new File(path, roleLayout.getFilePath()
 					+ roleLayout.getFileName(".jpg")); //$NON-NLS-1$
 			File parentFolder = jpgFile.getParentFile();
 			if (!parentFolder.exists()) {
 				parentFolder.mkdirs();
 			}
 			ImageIO.write(optimalImage, "jpg", jpgFile); //$NON-NLS-1$
 			elementDiagram.setImageFileName(jpgFile.getName());
 			return elementDiagram;
 		} catch (Exception e) {
 			LibraryPlugin.getDefault().getLogger().logError(e);
 			return null;
 		}
 	}

 	/**
 	 * Renders the association line.
 	 *
 	 * @param g2d
 	 *            The Graphics2D context.
 	 * @param startPoint
 	 *            The start point of the line.
 	 * @param endPoint
 	 *            The end point of the line.
 	 * @param name
 	 *            The association name.
 	 * @param font
 	 *            The font for rendering the association name.
 	 * @param color
 	 *            the color for rendering the association name.
 	 */
 	protected void renderAssociation(Graphics2D g2d, Point startPoint,
 			Point endPoint, String name, Font font, Color color) {
 		g2d.draw(new Line2D.Double(startPoint.x, startPoint.y, endPoint.x,
 				endPoint.y));
 		int textX = startPoint.x + (endPoint.x - startPoint.x) / 2 - 40;
 		int textY = startPoint.y + (endPoint.y - startPoint.y) / 2 - 5;
 		if (startPoint.y != endPoint.y) {
 			g2d.setColor(Color.WHITE);
 			g2d.fillRect(textX, textY, 80, 10);
 		} else {
 			textY -= 10;
 		}
 		ImageUtil.drawText(g2d, name, font, color, textX, textY, 80, 3);
 	}

 }
	//------------------------------------------------------------------------------
	// Copyright (c) 2005, 2006 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 implementation
	//------------------------------------------------------------------------------
	package org.eclipse.epf.library.layout.diagram;

	import java.awt.BasicStroke;
	import java.awt.Color;
	import java.awt.Font;
	import java.awt.Graphics2D;
	import java.awt.Point;
	import java.awt.Rectangle;
	import java.awt.RenderingHints;
	import java.awt.TexturePaint;
	import java.awt.geom.Line2D;
	import java.awt.image.BufferedImage;
	import java.io.File;
	import java.util.Iterator;
	import java.util.List;
	import java.util.Locale;

	import javax.imageio.ImageIO;
	import javax.swing.JPanel;

	import org.eclipse.core.runtime.Platform;
	import org.eclipse.epf.common.utils.I18nUtil;
	import org.eclipse.epf.common.utils.ImageUtil;
	import org.eclipse.epf.library.LibraryPlugin;
	import org.eclipse.epf.library.LibraryResources;
	import org.eclipse.epf.library.layout.IElementLayout;
	import org.eclipse.epf.library.layout.elements.RoleLayout;
	import org.eclipse.epf.library.preferences.LibraryPreferences;
	import org.eclipse.epf.uma.Role;
	import org.eclipse.epf.uma.Task;
	import org.eclipse.epf.uma.WorkProduct;
	import org.eclipse.swt.SWT;

	/**
	* Renders the Role diagram using Java2D and saves it as a JPEG file.
	*
	* @author Kelvin Low
	* @author Jinhua Xi
	* @since 1.0
	*/
	public class RoleDiagramPublisher {

	private static final String DEFAULT_FONT_NAME = "Arial"; //$NON-NLS-1$

	private static final int DEFAULT_FONT_SIZE = 10;

	private static final int DEFAULT_X_MARGIN = 200;

	// The maximum width of the generated image.
	private int maxImageWidth = 1024;

	// The maximum height of the generated image.
	private int maxImageHeight = 1024;

	// The border width.
	private int borderWidth = 10;

	// The border height.
	private int borderHeight = 10;

	// The additional spacing before the left-most Task and/or Work Product
	// image.
	private int xMargin = 240;

	// The horizontal spacing between the element images.
	private int xSpacing;

	// The vertical spacing between the element images.
	private int ySpacing;

	// The maximun number of text lines for the element labels.
	private int maxTextLines;

	private int linePadding = 12;

	private Font textFont = null;

	/**
	* Creates a new <code>ImagePublisher</code>.
	*/
	public RoleDiagramPublisher() {
	// Select the font for rendering the element names.
	String fontName;
	int fontSize;
	fontName = getFontName();
	if (SWT.getPlatform().equals(Platform.WS_WIN32)) {
	fontSize = I18nUtil.getInt(
	LibraryResources.roleDiagramFont_size_win32,
	DEFAULT_FONT_SIZE);
	} else {
	fontSize = I18nUtil.getInt(LibraryResources.roleDiagramFont_size,
	DEFAULT_FONT_SIZE);
	}
	if (fontName.startsWith("[")) { //$NON-NLS-1$
	fontName = DEFAULT_FONT_NAME;
	}
	textFont = new Font(fontName, Font.PLAIN, fontSize);

	xMargin = I18nUtil.getInt(LibraryResources.roleDiagram_xMargin,
	DEFAULT_X_MARGIN);

	xSpacing = LibraryPreferences.getRoleDiagramHorizontalSpacing();
	ySpacing = LibraryPreferences.getRoleDiagramVerticalSpacing();
	maxTextLines = LibraryPreferences.getRoleDiagramMaximumTextLines();
	}

	private String getFontName() {
	String fontName;
	if (Platform.getNL().startsWith("ja")) { //$NON-NLS-1$
	if (SWT.getPlatform().equals(Platform.WS_WIN32)) {
	fontName = LibraryResources.roleDiagramFont_name_win32_ja;
	} else {
	fontName = LibraryResources.roleDiagramFont_name_ja;
	}
	} else if (Platform.getNL().startsWith("ko")) { //$NON-NLS-1$
	if (SWT.getPlatform().equals(Platform.WS_WIN32)) {
	fontName = LibraryResources.roleDiagramFont_name_win32_ko;
	} else {
	fontName = LibraryResources.roleDiagramFont_name_ko;
	}
	} else if (Platform.getNL().startsWith("zh_TW")) { //$NON-NLS-1$
	if (SWT.getPlatform().equals(Platform.WS_WIN32)) {
	fontName = LibraryResources.roleDiagramFont_name_win32_zh_TW;
	} else {
	fontName = LibraryResources.roleDiagramFont_name_zh_TW;
	}
	} else if (Platform.getNL().startsWith("zh")) { //$NON-NLS-1$
	if (SWT.getPlatform().equals(Platform.WS_WIN32)) {
	fontName = LibraryResources.roleDiagramFont_name_win32_zh;
	} else {
	fontName = LibraryResources.roleDiagramFont_name_zh;
	}
	} else {
	if (SWT.getPlatform().equals(Platform.WS_WIN32)) {
	fontName = LibraryResources.roleDiagramFont_name_win32;
	} else {
	fontName = LibraryResources.roleDiagramFont_name;
	}
	}
	return fontName;

	}

	/**
	* Generates the Role Diagram HTML source for the given role.
	*
	* @param role
	* The Role element.
	* @param path
	* The publish path.
	* @return A <code>MethodElementDiagram</code> object associated with the
	* published diagram.
	*/
	public MethodElementDiagram publish(RoleLayout roleLayout, File path) {

	Role role = (Role) roleLayout.getElement();

	if (role == null) {
	throw new IllegalArgumentException();
	}

	try {
	MethodElementDiagram elementDiagram = new MethodElementDiagram(role);

	String publishDir = roleLayout.getLayoutMgr().getPublishDir();
	String mapName = roleLayout.getDisplayName();
	if (mapName == null \|\| mapName.length() == 0) {
	mapName = "Unknown"; //$NON-NLS-1$
	} else {
	mapName = mapName.replace(' ', '_');
	}
	HTMLMap htmlMap = new HTMLMap(mapName);
	elementDiagram.setHTMLMap(htmlMap);

	// Create the AWT JPanel for rendering the diagram.
	JPanel panel = new JPanel();

	// Create the output BufferedImage.
	BufferedImage outputImage = new BufferedImage(maxImageWidth,
	maxImageHeight, BufferedImage.TYPE_INT_RGB);
	Graphics2D g2d = (Graphics2D) outputImage.getGraphics();

	// Switch on anti-aliasing.
	g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
	RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
	g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
	RenderingHints.VALUE_ANTIALIAS_ON);
	g2d.fillRect(0, 0, maxImageWidth, maxImageHeight);

	// Set the stroke for drawing the association lines.
	g2d.setStroke(new BasicStroke(1.25f));
	g2d.setColor(Color.BLACK);

	int xOffset = xSpacing / 2;

	// Renders the Tasks performed by the Role.
	List tasks = roleLayout.getPerforms();
	int totalTasks = tasks != null ? tasks.size() : 0;
	Point taskStartPoint = new Point(borderWidth + xMargin,
	borderHeight);
	Point taskEndPoint = new Point(borderWidth + xMargin, borderHeight);
	int x = taskStartPoint.x;
	int y = taskStartPoint.y;
	int tasksEndX = 0;
	if (totalTasks > 0) {
	int taskNo = 1;
	for (Iterator i = tasks.iterator(); i.hasNext(); taskNo++) {
	Task task = (Task) i.next();

	IElementLayout taskLayout = roleLayout.getLayoutMgr()
	.getLayout(task, true);

	String taskName = taskLayout.getDisplayName();
	String imageFile = publishDir
	+ taskLayout.getDiagramiconUrl();
	try {
	BufferedImage taskImage = ImageUtil.getBufferedImage(
	imageFile, panel);
	int taskWidth = taskImage.getWidth();
	int taskHeight = taskImage.getHeight();
	if (taskNo == 1) {
	taskEndPoint.x += taskWidth;
	taskEndPoint.y += taskHeight;
	tasksEndX = taskEndPoint.x;
	}
	Rectangle taskImageRect = new Rectangle(x, y,
	taskWidth, taskHeight);
	TexturePaint taskPaint = new TexturePaint(taskImage,
	taskImageRect);
	g2d.setPaint(taskPaint);
	g2d.fill(taskImageRect);
	if (taskName != null) {
	ImageUtil.drawText(g2d, taskName, textFont,
	Color.BLACK, x - xOffset, taskEndPoint.y,
	taskWidth + xSpacing, maxTextLines);
	}

	String href = taskLayout.getFilePath(roleLayout)
	+ taskLayout.getFileName(".html"); //$NON-NLS-1$
	HTMLArea htmlArea = new HTMLArea(task.getGuid(), href,
	"rect", taskImageRect, taskName); //$NON-NLS-1$
	htmlMap.addArea(htmlArea);

	if (x + taskWidth > tasksEndX) {
	tasksEndX = x + taskWidth;
	}

	if (i.hasNext()) {
	int xIncrement = taskWidth + xSpacing;
	x += xIncrement;
	taskEndPoint.x += xIncrement;
	if ((x + xIncrement + xOffset + borderWidth) > maxImageWidth) {
	x = taskStartPoint.x;
	int yIncrement = taskHeight + ySpacing;
	y += yIncrement;
	taskEndPoint.y += yIncrement;
	taskEndPoint.x = taskStartPoint.x + taskWidth;
	}
	}
	} catch (Exception e) {
	LibraryPlugin.getDefault().getLogger().logError(e);
	}
	}
	}

	// Renders the Work Products that the Role is responsible for.
	List workProducts = roleLayout.getResponsibleFor();
	int totalWorkProducts = workProducts != null ? workProducts.size()
	: 0;
	Point workProductStartPoint = new Point(taskStartPoint.x,
	borderHeight);
	Point workProductEndPoint = new Point(taskStartPoint.x,
	borderHeight);
	if (totalTasks > 0 && totalWorkProducts > 0) {
	workProductStartPoint.y = taskEndPoint.y + ySpacing + ySpacing
	/ 2;
	workProductEndPoint.y = workProductStartPoint.y;
	} else if (totalTasks > 0) {
	workProductEndPoint.y = taskEndPoint.y + borderHeight;
	}
	x = workProductStartPoint.x;
	y = workProductStartPoint.y;
	int workProductsEndX = 0;
	if (totalWorkProducts > 0) {
	int workProductNo = 1;
	for (Iterator i = workProducts.iterator(); i.hasNext(); workProductNo++) {
	WorkProduct workProduct = (WorkProduct) i.next();

	IElementLayout wpLayout = roleLayout.getLayoutMgr()
	.getLayout(workProduct, true);

	String workProductName = wpLayout.getDisplayName();
	String imageFile = publishDir
	+ wpLayout.getDiagramiconUrl();
	try {
	BufferedImage workProductImage = ImageUtil
	.getBufferedImage(imageFile, panel);
	int workProductWidth = workProductImage.getWidth();
	int workProductHeight = workProductImage.getHeight();
	if (workProductNo == 1) {
	workProductEndPoint.x += workProductWidth;
	workProductEndPoint.y += workProductHeight;
	workProductsEndX = workProductEndPoint.x;
	}
	Rectangle workProductImageRect = new Rectangle(x, y,
	workProductWidth, workProductHeight);
	TexturePaint workProductPaint = new TexturePaint(
	workProductImage, workProductImageRect);
	g2d.setPaint(workProductPaint);
	g2d.fill(workProductImageRect);
	if (workProductName != null) {
	ImageUtil.drawText(g2d, workProductName, textFont,
	Color.BLACK, x - xOffset,
	workProductEndPoint.y, workProductWidth
	+ xSpacing, maxTextLines);
	}

	String href = wpLayout.getFilePath(roleLayout)
	+ wpLayout.getFileName(".html"); //$NON-NLS-1$

	HTMLArea htmlArea = new HTMLArea(workProduct.getGuid(),
	href,
	"rect", workProductImageRect, workProductName); //$NON-NLS-1$
	htmlMap.addArea(htmlArea);

	if (x + workProductWidth > workProductsEndX) {
	workProductsEndX = x + workProductWidth;
	}

	if (i.hasNext()) {
	int xIncrement = workProductWidth + xSpacing;
	x += xIncrement;
	workProductEndPoint.x += xIncrement;
	if ((x + xIncrement + xOffset + borderWidth) > maxImageWidth) {
	x = workProductStartPoint.x;
	int yIncrement = workProductHeight + ySpacing;
	y += yIncrement;
	workProductEndPoint.y += yIncrement;
	workProductEndPoint.x = workProductStartPoint.x
	+ workProductWidth;
	}
	}
	} catch (Exception e) {
	LibraryPlugin.getDefault().getLogger().logError(e);
	}
	}
	}

	// Render the Role.
	Point roleStartPoint = new Point(xOffset - 5, borderHeight);
	Point roleEndPoint = roleStartPoint;
	try {
	String roleName = roleLayout.getDisplayName();
	String imageFile = publishDir + roleLayout.getDiagramiconUrl();
	BufferedImage roleImage = ImageUtil.getBufferedImage(imageFile,
	panel);
	int roleWidth = roleImage.getWidth();
	int roleHeight = roleImage.getHeight();
	x = xOffset - 5;
	y = borderHeight;
	roleEndPoint.x += roleWidth;
	roleEndPoint.y += roleHeight;
	if (totalWorkProducts > 0) {
	y = borderHeight
	+ (workProductEndPoint.y - taskStartPoint.y - roleHeight)
	/ 2;

	// Render the "responsible for" association line.
	Point startPoint = new Point(x + roleWidth + linePadding
	/ 2, y + roleHeight / 2);
	int lineEndPoint = workProductStartPoint.x - linePadding;
	if (lineEndPoint > (DEFAULT_X_MARGIN - xSpacing / 2)) {
	lineEndPoint = (DEFAULT_X_MARGIN - xSpacing / 2);
	}
	Point endPoint = new Point(workProductStartPoint.x
	- linePadding, workProductStartPoint.y
	+ (workProductEndPoint.y - workProductStartPoint.y)
	/ 2);
	renderAssociation(g2d, startPoint, endPoint,
	LibraryResources.roleDiagramResponsibleFor_text,
	textFont, Color.BLACK);
	} else if (totalTasks > 0) {
	y = borderHeight
	+ (taskEndPoint.y - taskStartPoint.y - roleHeight)
	/ 2;
	}
	roleStartPoint.y = y;
	roleEndPoint.y = y + roleHeight;

	if (totalTasks > 0) {
	// Render the "performs" association line.
	Point startPoint = new Point(x + roleWidth + linePadding
	/ 2, y + roleHeight / 2);
	int lineEndPoint = taskStartPoint.x - linePadding;
	if (lineEndPoint > (DEFAULT_X_MARGIN - xSpacing / 2)) {
	lineEndPoint = (DEFAULT_X_MARGIN - xSpacing / 2);
	}
	Point endPoint = new Point(lineEndPoint, borderHeight
	+ (taskEndPoint.y - taskStartPoint.y) / 2);
	renderAssociation(g2d, startPoint, endPoint,
	LibraryResources.roleDiagramPerforms_text,
	textFont, Color.BLACK);
	}
	Rectangle roleImageRect = new Rectangle(x, y, roleWidth,
	roleHeight);
	TexturePaint rolePaint = new TexturePaint(roleImage,
	roleImageRect);
	g2d.setPaint(rolePaint);
	g2d.fill(roleImageRect);
	if (roleName != null) {
	ImageUtil.drawText(g2d, roleName, textFont, Color.BLACK, x
	- xOffset, y + roleHeight, roleWidth + xSpacing,
	maxTextLines);
	}
	} catch (Exception e) {
	LibraryPlugin.getDefault().getLogger().logError(e);
	}

	// Calculate the optimal width and height for the rendered image.
	int optimalWidth = Math.max(tasksEndX, workProductsEndX)
	+ borderWidth;
	optimalWidth = Math.max(optimalWidth, roleEndPoint.x + borderWidth);

	optimalWidth = Math.min(optimalWidth, maxImageWidth);

	int optimalHeight = workProductEndPoint.y + borderHeight;
	optimalHeight = Math.max(optimalHeight, roleEndPoint.y
	+ borderHeight);
	optimalWidth += xOffset;
	optimalHeight += (maxTextLines * 10);

	optimalHeight = Math.min(optimalHeight, maxImageHeight);
	BufferedImage optimalImage = outputImage.getSubimage(0, 0,
	optimalWidth, optimalHeight);

	// Save the image as a JPEG file.
	File jpgFile = new File(path, roleLayout.getFilePath()
	+ roleLayout.getFileName(".jpg")); //$NON-NLS-1$
	File parentFolder = jpgFile.getParentFile();
	if (!parentFolder.exists()) {
	parentFolder.mkdirs();
	}
	ImageIO.write(optimalImage, "jpg", jpgFile); //$NON-NLS-1$
	elementDiagram.setImageFileName(jpgFile.getName());
	return elementDiagram;
	} catch (Exception e) {
	LibraryPlugin.getDefault().getLogger().logError(e);
	return null;
	}
	}

	/**
	* Renders the association line.
	*
	* @param g2d
	* The Graphics2D context.
	* @param startPoint
	* The start point of the line.
	* @param endPoint
	* The end point of the line.
	* @param name
	* The association name.
	* @param font
	* The font for rendering the association name.
	* @param color
	* the color for rendering the association name.
	*/
	protected void renderAssociation(Graphics2D g2d, Point startPoint,
	Point endPoint, String name, Font font, Color color) {
	g2d.draw(new Line2D.Double(startPoint.x, startPoint.y, endPoint.x,
	endPoint.y));
	int textX = startPoint.x + (endPoint.x - startPoint.x) / 2 - 40;
	int textY = startPoint.y + (endPoint.y - startPoint.y) / 2 - 5;
	if (startPoint.y != endPoint.y) {
	g2d.setColor(Color.WHITE);
	g2d.fillRect(textX, textY, 80, 10);
	} else {
	textY -= 10;
	}
	ImageUtil.drawText(g2d, name, font, color, textX, textY, 80, 3);
	}

	}