| /* |
| * 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.ioca; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| import org.apache.fop.afp.Factory; |
| import org.apache.fop.afp.modca.AbstractNamedAFPObject; |
| |
| /** |
| * An Image Segment is represented by a set of self-defining fields, fields |
| * that describe their own contents. It starts with a Begin Segment, and |
| * ends with an End Segment. |
| * |
| * Between the Begin Segment and End Segment is the image information to |
| * be processed, called the Image Content. |
| * |
| * Only one Image Content can exist within a single IOCA Image Segment. |
| */ |
| public class ImageSegment extends AbstractNamedAFPObject { |
| |
| /** |
| * The ImageContent for the image segment |
| */ |
| private ImageContent imageContent; |
| |
| private final Factory factory; |
| |
| /** |
| * Constructor for the image segment with the specified name, |
| * the name must be a fixed length of eight characters. |
| * @param factory the object factory |
| * |
| * @param name the name of the image. |
| */ |
| public ImageSegment(Factory factory, String name) { |
| super(name); |
| this.factory = factory; |
| } |
| |
| /** |
| * Returns the image content object associated with this image segment. |
| * @return the image content |
| */ |
| public ImageContent getImageContent() { |
| if (imageContent == null) { |
| this.imageContent = factory.createImageContent(); |
| } |
| return imageContent; |
| } |
| |
| /** |
| * Sets the image size parameters resolution, hsize and vsize. |
| * |
| * @param hsize The horizontal size of the image. |
| * @param vsize The vertical size of the image. |
| * @param hresol The horizontal resolution of the image. |
| * @param vresol The vertical resolution of the image. |
| */ |
| public void setImageSize(int hsize, int vsize, int hresol, int vresol) { |
| ImageSizeParameter imageSizeParameter |
| = factory.createImageSizeParameter(hsize, vsize, hresol, vresol); |
| getImageContent().setImageSizeParameter(imageSizeParameter); |
| } |
| |
| /** |
| * Sets the image encoding. |
| * |
| * @param encoding The image encoding. |
| */ |
| public void setEncoding(byte encoding) { |
| getImageContent().setImageEncoding(encoding); |
| } |
| |
| /** |
| * Sets the image compression. |
| * |
| * @param compression The image compression. |
| */ |
| public void setCompression(byte compression) { |
| getImageContent().setImageCompression(compression); |
| } |
| |
| /** |
| * Sets the image IDE size. |
| * |
| * @param size The IDE size. |
| */ |
| public void setIDESize(byte size) { |
| getImageContent().setImageIDESize(size); |
| } |
| |
| /** |
| * Sets the image IDE color model. |
| * |
| * @param colorModel the IDE color model. |
| * @deprecated Use {@link IDEStructureParameter#setColorModel(byte)} instead. |
| */ |
| public void setIDEColorModel(byte colorModel) { |
| getImageContent().setImageIDEColorModel(colorModel); |
| } |
| |
| /** |
| * Set either additive or subtractive mode (used for ASFLAG). |
| * @param subtractive true for subtractive mode, false for additive mode |
| * @deprecated Use {@link IDEStructureParameter#setSubtractive(boolean)} instead. |
| */ |
| public void setSubtractive(boolean subtractive) { |
| getImageContent().setSubtractive(subtractive); |
| } |
| |
| /** |
| * Set the data image data. |
| * |
| * @param imageData the image data |
| */ |
| public void setData(byte[] imageData) { |
| getImageContent().setImageData(imageData); |
| } |
| |
| public void setTransparencyMask(byte[] transparencyMask) { |
| getImageContent().setTransparencyMask(transparencyMask); |
| } |
| |
| /** {@inheritDoc} */ |
| public void writeContent(OutputStream os) throws IOException { |
| if (imageContent != null) { |
| imageContent.writeToStream(os); |
| } |
| } |
| |
| private static final int NAME_LENGTH = 4; |
| |
| /** {@inheritDoc} */ |
| protected int getNameLength() { |
| return NAME_LENGTH; |
| } |
| |
| /** {@inheritDoc} */ |
| protected void writeStart(OutputStream os) throws IOException { |
| //Name disabled, it's optional and not referenced by our code |
| //byte[] nameBytes = getNameBytes(); |
| byte[] data = new byte[] { |
| 0x70, // ID |
| 0x00, // Length |
| /* |
| nameBytes[0], // Name byte 1 |
| nameBytes[1], // Name byte 2 |
| nameBytes[2], // Name byte 3 |
| nameBytes[3], // Name byte 4 |
| */ |
| }; |
| os.write(data); |
| } |
| |
| /** {@inheritDoc} */ |
| protected void writeEnd(OutputStream os) throws IOException { |
| byte[] data = new byte[] { |
| 0x71, // ID |
| 0x00, // Length |
| }; |
| os.write(data); |
| } |
| |
| public void setTileTOC() { |
| TileTOC toc = factory.createTileTOC(); |
| getImageContent().setTileTOC(toc); |
| } |
| |
| public void addTile(Tile tile) { |
| getImageContent().addTile(tile); |
| } |
| |
| } |