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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.afp.modca;
-
- import java.io.IOException;
- import java.io.OutputStream;
-
- import org.apache.commons.io.output.ByteArrayOutputStream;
-
- import org.apache.xmlgraphics.util.MimeConstants;
-
- import org.apache.fop.afp.AFPDataObjectInfo;
- import org.apache.fop.afp.AFPImageObjectInfo;
- import org.apache.fop.afp.Factory;
- import org.apache.fop.afp.ioca.ImageSegment;
-
- /**
- * An IOCA Image Data Object
- */
- public class ImageObject extends AbstractDataObject {
-
- private static final int MAX_DATA_LEN = 8192;
-
- /** the image segment */
- private ImageSegment imageSegment;
-
- /**
- * Constructor for the image object with the specified name,
- * the name must be a fixed length of eight characters.
- *
- * @param name The name of the image.
- * @param factory the resource manager
- */
- public ImageObject(Factory factory, String name) {
- super(factory, name);
- }
-
- /**
- * Returns the image segment object associated with this image object.
- * @return the image segment
- */
- public ImageSegment getImageSegment() {
- if (imageSegment == null) {
- this.imageSegment = factory.createImageSegment();
- }
- return imageSegment;
- }
-
- /** {@inheritDoc} */
- public void setViewport(AFPDataObjectInfo dataObjectInfo) {
- super.setViewport(dataObjectInfo);
-
- AFPImageObjectInfo imageObjectInfo = (AFPImageObjectInfo)dataObjectInfo;
- int dataWidth = imageObjectInfo.getDataWidth();
- int dataHeight = imageObjectInfo.getDataHeight();
-
- int dataWidthRes = imageObjectInfo.getDataWidthRes();
- int dataHeightRes = imageObjectInfo.getDataWidthRes();
- ImageDataDescriptor imageDataDescriptor
- = factory.createImageDataDescriptor(dataWidth, dataHeight, dataWidthRes, dataHeightRes);
-
- if (MimeConstants.MIME_AFP_IOCA_FS45.equals(imageObjectInfo.getMimeType())) {
- imageDataDescriptor.setFunctionSet(ImageDataDescriptor.FUNCTION_SET_FS45);
- } else if (imageObjectInfo.getBitsPerPixel() == 1) {
- imageDataDescriptor.setFunctionSet(ImageDataDescriptor.FUNCTION_SET_FS10);
- }
- getObjectEnvironmentGroup().setDataDescriptor(imageDataDescriptor);
- getObjectEnvironmentGroup().setMapImageObject(
- new MapImageObject(dataObjectInfo.getMappingOption()));
-
- getImageSegment().setImageSize(dataWidth, dataHeight, dataWidthRes, dataHeightRes);
- }
-
- /**
- * Sets the image encoding.
- *
- * @param encoding The image encoding.
- */
- public void setEncoding(byte encoding) {
- getImageSegment().setEncoding(encoding);
- }
-
- /**
- * Sets the image compression.
- *
- * @param compression The image compression.
- */
- public void setCompression(byte compression) {
- getImageSegment().setCompression(compression);
- }
-
- /**
- * Sets the image IDE size.
- *
- * @param size The IDE size.
- */
- public void setIDESize(byte size) {
- getImageSegment().setIDESize(size);
- }
-
- /**
- * Sets the image IDE color model.
- *
- * @param colorModel the IDE color model.
- * @deprecated Use {@link org.apache.fop.afp.ioca.IDEStructureParameter#setColorModel(byte)}
- * instead.
- */
- public void setIDEColorModel(byte colorModel) {
- getImageSegment().setIDEColorModel(colorModel);
- }
-
- /**
- * Set either additive or subtractive mode (used for ASFLAG).
- * @param subtractive true for subtractive mode, false for additive mode
- * @deprecated Use {@link org.apache.fop.afp.ioca.IDEStructureParameter#setSubtractive(boolean)}
- * instead.
- */
- public void setSubtractive(boolean subtractive) {
- getImageSegment().setSubtractive(subtractive);
- }
-
- /**
- * Set the data of the image.
- *
- * @param imageData the image data
- */
- public void setData(byte[] imageData) {
- getImageSegment().setData(imageData);
- }
-
- /** {@inheritDoc} */
- protected void writeStart(OutputStream os) throws IOException {
- byte[] data = new byte[17];
- copySF(data, Type.BEGIN, Category.IMAGE);
- os.write(data);
- }
-
- /** {@inheritDoc} */
- protected void writeContent(OutputStream os) throws IOException {
- super.writeContent(os);
-
- if (imageSegment != null) {
- final byte[] dataHeader = new byte[9];
- copySF(dataHeader, SF_CLASS, Type.DATA, Category.IMAGE);
- final int lengthOffset = 1;
-
- // TODO save memory!
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- imageSegment.writeToStream(baos);
- byte[] data = baos.toByteArray();
- writeChunksToStream(data, dataHeader, lengthOffset, MAX_DATA_LEN, os);
- }
- }
-
- /** {@inheritDoc} */
- protected void writeEnd(OutputStream os) throws IOException {
- byte[] data = new byte[17];
- copySF(data, Type.END, Category.IMAGE);
- os.write(data);
- }
- }
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