Package org.apache.fop.render.pdf

Source Code of org.apache.fop.render.pdf.PDFImageHandlerRenderedImage

/*
* 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: PDFImageHandlerRenderedImage.java 611278 2008-01-11 19:50:53Z jeremias $ */

package org.apache.fop.render.pdf;

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

import org.apache.xmlgraphics.image.loader.Image;
import org.apache.xmlgraphics.image.loader.ImageFlavor;
import org.apache.xmlgraphics.image.loader.impl.ImageRendered;

import org.apache.fop.pdf.PDFDocument;
import org.apache.fop.pdf.PDFImage;
import org.apache.fop.pdf.PDFResourceContext;
import org.apache.fop.pdf.PDFXObject;
import org.apache.fop.render.RendererContext;

/**
* PDFImageHandler implementation which handles RenderedImage instances.
*/
public class PDFImageHandlerRenderedImage implements PDFImageHandler {

    private static final ImageFlavor[] FLAVORS = new ImageFlavor[] {
        ImageFlavor.BUFFERED_IMAGE,
        ImageFlavor.RENDERED_IMAGE       
    };
   
    /** {@inheritDoc} */
    public PDFXObject generateImage(RendererContext context, Image image,
            Point origin, Rectangle pos)
            throws IOException {
        PDFRenderer renderer = (PDFRenderer)context.getRenderer();
        ImageRendered imageRend = (ImageRendered)image;
        PDFDocument pdfDoc = (PDFDocument)context.getProperty(
                PDFRendererContextConstants.PDF_DOCUMENT);
        PDFResourceContext resContext = (PDFResourceContext)context.getProperty(
                PDFRendererContextConstants.PDF_CONTEXT);
       
        PDFImage pdfimage = new ImageRenderedAdapter(imageRend, image.getInfo().getOriginalURI());
        PDFXObject xobj = pdfDoc.addImage(resContext, pdfimage);

        float x = (float)pos.getX() / 1000f;
        float y = (float)pos.getY() / 1000f;
        float w = (float)pos.getWidth() / 1000f;
        float h = (float)pos.getHeight() / 1000f;
        renderer.placeImage(x, y, w, h, xobj);
       
        return xobj;
    }

    /** {@inheritDoc} */
    public int getPriority() {
        return 300;
    }

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

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

}
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