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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.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.ImageHandler;
- import org.apache.fop.render.RendererContext;
- import org.apache.fop.render.RenderingContext;
-
- /**
- * Image handler implementation which handles RenderedImage instances for PDF output.
- */
- public class PDFImageHandlerRenderedImage implements PDFImageHandler, ImageHandler {
-
- 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 void handleImage(RenderingContext context, Image image, Rectangle pos)
- throws IOException {
- PDFRenderingContext pdfContext = (PDFRenderingContext)context;
- PDFContentGenerator generator = pdfContext.getGenerator();
- ImageRendered imageRend = (ImageRendered)image;
-
- PDFImage pdfimage = new ImageRenderedAdapter(imageRend, image.getInfo().getOriginalURI());
- PDFXObject xobj = generator.getDocument().addImage(
- generator.getResourceContext(), 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;
- if (context.getUserAgent().isAccessibilityEnabled()) {
- String structElemType = pdfContext.getStructElemType();
- int sequenceNum = pdfContext.getSequenceNum();
- generator.placeImage(x, y, w, h, xobj, structElemType, sequenceNum);
- } else {
- generator.placeImage(x, y, w, h, xobj);
- }
- }
-
- /** {@inheritDoc} */
- public int getPriority() {
- return 300;
- }
-
- /** {@inheritDoc} */
- public Class getSupportedImageClass() {
- return ImageRendered.class;
- }
-
- /** {@inheritDoc} */
- public ImageFlavor[] getSupportedImageFlavors() {
- return FLAVORS;
- }
-
- /** {@inheritDoc} */
- public boolean isCompatible(RenderingContext targetContext, Image image) {
- return (image == null || image instanceof ImageRendered)
- && targetContext instanceof PDFRenderingContext;
- }
-
- }
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