| /* |
| * 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.pdfbox; |
| |
| import java.awt.image.BufferedImage; |
| import java.awt.image.DataBufferInt; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.ByteBuffer; |
| import java.nio.ByteOrder; |
| import java.nio.IntBuffer; |
| |
| import javax.xml.transform.Source; |
| |
| import org.apache.pdfbox.io.IOUtils; |
| |
| import org.apache.xmlgraphics.image.loader.ImageContext; |
| import org.apache.xmlgraphics.image.loader.ImageException; |
| import org.apache.xmlgraphics.image.loader.ImageInfo; |
| import org.apache.xmlgraphics.image.loader.ImageSize; |
| import org.apache.xmlgraphics.image.loader.ImageSource; |
| import org.apache.xmlgraphics.image.loader.impl.AbstractImagePreloader; |
| import org.apache.xmlgraphics.image.loader.impl.ImageRendered; |
| |
| public class PreloaderImageRawData extends AbstractImagePreloader { |
| public ImageInfo preloadImage(String s, Source source, ImageContext imageContext) |
| throws ImageException, IOException { |
| if (source instanceof ImageSource && s.contains(DataBufferInt.class.getName())) { |
| InputStream is = ((ImageSource)source).getInputStream(); |
| byte[] input = IOUtils.toByteArray(is); |
| is.reset(); |
| IntBuffer intBuf = ByteBuffer.wrap(input).order(ByteOrder.BIG_ENDIAN).asIntBuffer(); |
| int[] array = new int[intBuf.remaining()]; |
| intBuf.get(array); |
| int width = array[0]; |
| int height = array[1]; |
| ImageInfo info = new ImageInfo(s, "image/DataBufferInt"); |
| ImageSize size = new ImageSize(width, height, imageContext.getSourceResolution()); |
| size.calcSizeFromPixels(); |
| info.setSize(size); |
| BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| DataBufferInt db = (DataBufferInt) img.getRaster().getDataBuffer(); |
| System.arraycopy(array, 2, db.getData(), 0, db.getData().length); |
| info.getCustomObjects().put(ImageInfo.ORIGINAL_IMAGE, new ImageRendered(info, img, null)); |
| return info; |
| } |
| return null; |
| } |
| } |