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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.afp;
-
- import java.awt.Rectangle;
- import java.io.IOException;
- import java.io.InputStream;
-
- import org.apache.commons.io.IOUtils;
-
- import org.apache.xmlgraphics.image.loader.Image;
- import org.apache.xmlgraphics.image.loader.ImageSize;
- import org.apache.xmlgraphics.image.loader.impl.ImageRawStream;
-
- import org.apache.fop.afp.AFPDataObjectInfo;
- import org.apache.fop.afp.AFPObjectAreaInfo;
- import org.apache.fop.afp.AFPPaintingState;
- import org.apache.fop.afp.AFPResourceInfo;
- import org.apache.fop.afp.AFPResourceManager;
- import org.apache.fop.afp.modca.ResourceObject;
- import org.apache.fop.render.ImageHandler;
- import org.apache.fop.render.RenderingContext;
-
- /**
- * A base abstract AFP raw stream image handler
- */
- public abstract class AbstractAFPImageHandlerRawStream extends AFPImageHandler
- implements ImageHandler {
-
- /** {@inheritDoc} */
- public AFPDataObjectInfo generateDataObjectInfo(
- AFPRendererImageInfo rendererImageInfo) throws IOException {
- AFPDataObjectInfo dataObjectInfo = super.generateDataObjectInfo(rendererImageInfo);
- ImageRawStream rawStream = (ImageRawStream) rendererImageInfo.getImage();
- AFPRendererContext rendererContext
- = (AFPRendererContext)rendererImageInfo.getRendererContext();
- AFPInfo afpInfo = rendererContext.getInfo();
-
- updateDataObjectInfo(dataObjectInfo, rawStream, afpInfo.getResourceManager());
-
- setAdditionalParameters(dataObjectInfo, rawStream);
- return dataObjectInfo;
- }
-
- /**
- * Sets additional parameters on the image object info being built. By default, this
- * method does nothing but it can be overridden to provide additional functionality.
- * @param imageObjectInfo the image object info being built
- * @param image the image being processed
- */
- protected void setAdditionalParameters(AFPDataObjectInfo imageObjectInfo,
- ImageRawStream image) {
- //nop
- }
-
- private void updateDataObjectInfo(AFPDataObjectInfo dataObjectInfo,
- ImageRawStream rawStream, AFPResourceManager resourceManager) throws IOException {
- dataObjectInfo.setMimeType(rawStream.getFlavor().getMimeType());
-
- AFPResourceInfo resourceInfo = dataObjectInfo.getResourceInfo();
- if (!resourceInfo.levelChanged()) {
- resourceInfo.setLevel(resourceManager.getResourceLevelDefaults()
- .getDefaultResourceLevel(ResourceObject.TYPE_IMAGE));
- }
-
- InputStream inputStream = rawStream.createInputStream();
- try {
- dataObjectInfo.setData(IOUtils.toByteArray(inputStream));
- } finally {
- IOUtils.closeQuietly(inputStream);
- }
-
- int dataHeight = rawStream.getSize().getHeightPx();
- dataObjectInfo.setDataHeight(dataHeight);
-
- int dataWidth = rawStream.getSize().getWidthPx();
- dataObjectInfo.setDataWidth(dataWidth);
-
- ImageSize imageSize = rawStream.getSize();
- dataObjectInfo.setDataHeightRes((int) (imageSize.getDpiHorizontal() * 10));
- dataObjectInfo.setDataWidthRes((int) (imageSize.getDpiVertical() * 10));
- }
-
- /** {@inheritDoc} */
- public void handleImage(RenderingContext context, Image image, Rectangle pos)
- throws IOException {
- AFPRenderingContext afpContext = (AFPRenderingContext)context;
-
- AFPDataObjectInfo dataObjectInfo = createDataObjectInfo();
-
- // set resource information
- setResourceInformation(dataObjectInfo,
- image.getInfo().getOriginalURI(),
- afpContext.getForeignAttributes());
-
- // Positioning
- dataObjectInfo.setObjectAreaInfo(createObjectAreaInfo(afpContext.getPaintingState(), pos));
-
- // set object area info
- //AFPObjectAreaInfo objectAreaInfo = dataObjectInfo.getObjectAreaInfo();
- AFPPaintingState paintingState = afpContext.getPaintingState();
- int resolution = paintingState.getResolution();
- AFPObjectAreaInfo objectAreaInfo = dataObjectInfo.getObjectAreaInfo();
- objectAreaInfo.setWidthRes(resolution);
- objectAreaInfo.setHeightRes(resolution);
-
- // Image content
- ImageRawStream imageStream = (ImageRawStream)image;
- updateDataObjectInfo(dataObjectInfo, imageStream, afpContext.getResourceManager());
- setAdditionalParameters(dataObjectInfo, imageStream);
-
- // Create image
- afpContext.getResourceManager().createObject(dataObjectInfo);
- }
-
- }
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