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/*
* 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 org.apache.xmlgraphics.image.loader.Image;
import org.apache.xmlgraphics.image.loader.ImageFlavor;
import org.apache.xmlgraphics.image.loader.impl.ImageRawCCITTFax;
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 CCITT encoded images (CCITT fax group 3/4).
*/
public class PDFImageHandlerRawCCITTFax implements PDFImageHandler {
private static final ImageFlavor[] FLAVORS = new ImageFlavor[] {
ImageFlavor.RAW_CCITTFAX,
};
/** {@inheritDoc} */
public PDFXObject generateImage(RendererContext context, Image image,
Point origin, Rectangle pos)
throws IOException {
PDFRenderer renderer = (PDFRenderer)context.getRenderer();
ImageRawCCITTFax ccitt = (ImageRawCCITTFax)image;
PDFDocument pdfDoc = (PDFDocument)context.getProperty(
PDFRendererContextConstants.PDF_DOCUMENT);
PDFResourceContext resContext = (PDFResourceContext)context.getProperty(
PDFRendererContextConstants.PDF_CONTEXT);
PDFImage pdfimage = new ImageRawCCITTFaxAdapter(ccitt, 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 100;
}
/** {@inheritDoc} */
public Class getSupportedImageClass() {
return ImageRawCCITTFax.class;
}
/** {@inheritDoc} */
public ImageFlavor[] getSupportedImageFlavors() {
return FLAVORS;
}
}
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