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- /*
- * Copyright 1999-2004 The Apache Software Foundation.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- /* $Id: SVGUserAgent.java,v 1.2 2004/02/27 17:43:22 jeremias Exp $ */
-
- package org.apache.fop.svg;
-
- import org.apache.fop.apps.FOFileHandler;
- import org.apache.batik.bridge.UserAgentAdapter;
- import org.apache.avalon.framework.logger.Logger;
-
- // Java
- import java.awt.geom.AffineTransform;
- import java.awt.geom.Dimension2D;
- import java.awt.Dimension;
-
- /**
- * The SVG user agent.
- * This is an implementation of the batik svg user agent
- * for handling errors and getting user agent values.
- */
- public class SVGUserAgent extends UserAgentAdapter {
- private AffineTransform currentTransform = null;
- private Logger logger;
- private float pixelUnitToMillimeter = 0.0f;
-
- /**
- * Creates a new SVGUserAgent.
- * @param log an Avalon logging instance
- * @param pixelUnitToMM The pixel to millimeter conversion factor
- * currently in effect
- * @param at the current transform
- */
- public SVGUserAgent(Logger log, float pixelUnitToMM, AffineTransform at) {
- logger = log;
- pixelUnitToMillimeter = pixelUnitToMM;
- currentTransform = at;
- }
-
- /**
- * Returns the logger associated with this user agent.
- * @return Logger the logger
- */
- protected final Logger getLogger() {
- return logger;
- }
-
- /**
- * Displays an error message.
- * @param message the message to display
- */
- public void displayError(String message) {
- logger.error(message);
- }
-
- /**
- * Displays an error resulting from the specified Exception.
- * @param ex the exception to display
- */
- public void displayError(Exception ex) {
- logger.error("SVG Error" + ex.getMessage(), ex);
- }
-
- /**
- * Displays a message in the User Agent interface.
- * The given message is typically displayed in a status bar.
- * @param message the message to display
- */
- public void displayMessage(String message) {
- logger.info(message);
- }
-
- /**
- * Shows an alert dialog box.
- * @param message the message to display
- */
- public void showAlert(String message) {
- logger.warn(message);
- }
-
- /**
- * Returns a customized the pixel to mm factor.
- * @return the pixel unit to millimeter conversion factor
- */
- public float getPixelUnitToMillimeter() {
- return pixelUnitToMillimeter;
- }
-
- /**
- * Returns the language settings.
- * @return the languages supported
- */
- public String getLanguages() {
- return "en"; // userLanguages;
- }
-
- /**
- * Returns the media type for this rendering.
- * @return the media for fo documents is "print"
- */
- public String getMedia() {
- return "print";
- }
-
- /**
- * Returns the user stylesheet uri.
- * @return null if no user style sheet was specified.
- */
- public String getUserStyleSheetURI() {
- return null; // userStyleSheetURI;
- }
-
- /**
- * Returns the class name of the XML parser.
- * @return the XML parser class name
- */
- public String getXMLParserClassName() {
- return FOFileHandler.getParserClassName();
- }
-
- /**
- * Is the XML parser validating.
- * @return true if the xml parser is validating
- */
- public boolean isXMLParserValidating() {
- return false;
- }
-
- /**
- * Get the transform of the svg document.
- * @return the transform
- */
- public AffineTransform getTransform() {
- return currentTransform;
- }
-
- /**
- * Get the default viewport size for an svg document.
- * This returns a default value of 100x100.
- * @return the default viewport size
- */
- public Dimension2D getViewportSize() {
- return new Dimension(100, 100);
- }
-
- }
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