/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

/* $Id$ */

package org.apache.fop.render.pdf;

import java.awt.Point;
import java.awt.Rectangle;
import java.io.IOException;
import java.util.Map;

import org.apache.fop.pdf.PDFXObject;
import org.apache.fop.render.RendererContext;
import org.apache.xmlgraphics.image.loader.Image;
import org.apache.xmlgraphics.image.loader.ImageFlavor;
import org.apache.xmlgraphics.image.loader.impl.ImageXMLDOM;
import org.w3c.dom.Document;

/**
 * PDFImageHandler implementation which handles XML-based images.
 */
public class PDFImageHandlerXML implements PDFImageHandler {

    private static final ImageFlavor[] FLAVORS = new ImageFlavor[] {
        ImageFlavor.XML_DOM,
    };

    /** {@inheritDoc} */
    public PDFXObject generateImage(RendererContext context, Image image,
            Point origin, Rectangle pos)
            throws IOException {
        PDFRenderer renderer = (PDFRenderer)context.getRenderer();
        ImageXMLDOM imgXML = (ImageXMLDOM)image;
        Document doc = imgXML.getDocument();
        String ns = imgXML.getRootNamespace();
        Map foreignAttributes = (Map)context.getProperty(
                PDFRendererContextConstants.FOREIGN_ATTRIBUTES);
        renderer.renderDocument(doc, ns, pos, foreignAttributes);
        return null;
    }

    /** {@inheritDoc} */
    public int getPriority() {
        return 400;
    }

    /** {@inheritDoc} */
    public Class getSupportedImageClass() {
        return ImageXMLDOM.class;
    }

    /** {@inheritDoc} */
    public ImageFlavor[] getSupportedImageFlavors() {
        return FLAVORS;
    }

}