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  /*
  
     Copyright 2001,2003  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.
 
  */
 package org.apache.batik.svggen;
 
 import java.awt.Image;
 
This class provides a default implementation of the ImageHandler interface simply puts a place holder in the xlink:href attribute and sets the width and height of the element.

Author(s):
Vincent Hardy
Version:
$Id: DefaultImageHandler.java,v 1.13 2004/08/18 07:14:59 vhardy Exp $
See also:
SVGGraphics2D
 
 public class DefaultImageHandler implements ImageHandlerErrorConstants {
     // duplicate the string here to remove dependencies on
     // org.apache.batik.dom.util.XLinkSupport
     static final String XLINK_NAMESPACE_URI =
         "http://www.w3.org/1999/xlink";

    
Build a DefaultImageHandler.
 
     public DefaultImageHandler() {
     }

    
The handler should set the xlink:href tag and the width and height attributes.
 
     public void handleImage(Image imageElement imageElement,
                             SVGGeneratorContext generatorContext) {
         //
         // First, set the image width and height
         //
         imageElement.setAttributeNS(null,
                                     "" + image.getWidth(null));
         imageElement.setAttributeNS(null,
                                     "" + image.getHeight(null));
 
         //
         // Now, set the href
         //
         try {
             handleHREF(imageimageElementgeneratorContext);
         } catch (SVGGraphics2DIOException e) {
             try {
                 generatorContext.errorHandler.handleError(e);
             } catch (SVGGraphics2DIOException io) {
                 // we need a runtime exception because
                 // java.awt.Graphics2D method doesn't throw exceptions..
                 throw new SVGGraphics2DRuntimeException(io);
             }
         }
     }

    
The handler should set the xlink:href tag and the width and height attributes.
 
     public void handleImage(RenderedImage imageElement imageElement,
                             SVGGeneratorContext generatorContext) {
         //
         // First, set the image width and height
         //
         imageElement.setAttributeNS(null,
                                     "" + image.getWidth());
         imageElement.setAttributeNS(null,
                                     "" + image.getHeight());
 
         //
         // Now, set the href
         //
         try {
             handleHREF(imageimageElementgeneratorContext);
         } catch (SVGGraphics2DIOException e) {
             try {
                 generatorContext.errorHandler.handleError(e);
             } catch (SVGGraphics2DIOException io) {
                // we need a runtime exception because
                // java.awt.Graphics2D method doesn't throw exceptions..
                throw new SVGGraphics2DRuntimeException(io);
            }
        }
    }

    
The handler should set the xlink:href tag and the width and height attributes.
    public void handleImage(RenderableImage imageElement imageElement,
                            SVGGeneratorContext generatorContext) {
        //
        // First, set the image width and height
        //
        imageElement.setAttributeNS(null,
                                    "" + image.getWidth());
        imageElement.setAttributeNS(null,
                                    "" + image.getHeight());
        //
        // Now, set the href
        //
        try {
            handleHREF(imageimageElementgeneratorContext);
        } catch (SVGGraphics2DIOException e) {
            try {
                generatorContext.errorHandler.handleError(e);
            } catch (SVGGraphics2DIOException io) {
                // we need a runtime exception because
                // java.awt.Graphics2D method doesn't throw exceptions..
                throw new SVGGraphics2DRuntimeException(io);
            }
        }
    }

    
This template method should set the xlink:href attribute on the input Element parameter
    protected void handleHREF(Image imageElement imageElement,
                              SVGGeneratorContext generatorContext)
        throws SVGGraphics2DIOException {
        // Simply write a placeholder
        imageElement.setAttributeNS(,
                                    image.toString());
    }

    
This template method should set the xlink:href attribute on the input Element parameter
    protected void handleHREF(RenderedImage imageElement imageElement,
                              SVGGeneratorContext generatorContext)
        throws SVGGraphics2DIOException {
        // Simply write a placeholder
        imageElement.setAttributeNS(,
                                    image.toString());
    }

    
This template method should set the xlink:href attribute on the input Element parameter
    protected void handleHREF(RenderableImage imageElement imageElement,
                              SVGGeneratorContext generatorContext)
        throws SVGGraphics2DIOException {
        // Simply write a placeholder
        imageElement.setAttributeNS(,
                                    image.toString());
    }
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