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Diffstat (limited to 'src/java/org/apache/fop/render/afp/modca/IncludePageSegment.java')
-rw-r--r-- | src/java/org/apache/fop/render/afp/modca/IncludePageSegment.java | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/java/org/apache/fop/render/afp/modca/IncludePageSegment.java b/src/java/org/apache/fop/render/afp/modca/IncludePageSegment.java new file mode 100644 index 000000000..5db736d57 --- /dev/null +++ b/src/java/org/apache/fop/render/afp/modca/IncludePageSegment.java @@ -0,0 +1,114 @@ +/* + * Copyright 2006 The Apache Software Foundation. + * + * Licensed 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.modca; + +import java.io.IOException; +import java.io.OutputStream; +import java.io.UnsupportedEncodingException; + +import org.apache.fop.render.afp.tools.BinaryUtils; + +/** + * The Include Page Segment structured field references a page segment resource + * object that is to be presented on the page or overlay presentation space. The IPS + * specifies a reference point on the including page or overlay coordinate system that + * may be used to position objects contained in the page segment. A page segment + * can be referenced at any time during page or overlay state, but not during an + * object state. The page segment inherits the active environment group definition of + * the including page or overlay. + * + * Note : No use for Triplets. + * + * A 'real' example for where this will be used is for + * the dynamic placing of overlay objects, such as signatures + * that may have to be placed at different positions on a document. + * + */ +public class IncludePageSegment extends AbstractNamedAFPObject{ + + /** + * The x position where we need to put this object on the page + */ + private byte [] _xCoor; + + /** + * The y position where we need to put this object on the page + */ + private byte [] _yCoor; + + /** + * Constructor for the Include Page Segment + * @param name Name of the page segment + * @param xVal The x position + * @param yVal The y position + */ + public IncludePageSegment(String name, int xVal, int yVal){ + + super(name); + _xCoor = BinaryUtils.convert(xVal, 3); + _yCoor = BinaryUtils.convert(yVal, 3); + + } + + /** + * Accessor method to write the AFP datastream for the Include Page Segment + * @param os The stream to write to + * @throws java.io.IOException + */ + public void writeDataStream(OutputStream os) + throws IOException { + + byte[] data = new byte[23]; //(9 +14) + + data[0] = 0x5A; + + // Set the total record length + byte[] rl1 = BinaryUtils.convert(22, 2); //Ignore first byte + data[1] = rl1[0]; + data[2] = rl1[1]; + + // Structured field ID for a IPS + data[3] = (byte) 0xD3; + data[4] = (byte) 0xAF; + data[5] = (byte) 0x5F; + + data[6] = 0x00; // Reserved + data[7] = 0x00; // Reserved + data[8] = 0x00; // Reserved + + for (int i = 0; i < _nameBytes.length; i++) { + + data[9 + i] = _nameBytes[i]; + + } + + data[17] = _xCoor[0]; // x coordinate + data[18] = _xCoor[1]; + data[19] = _xCoor[2]; + + data[20] = _yCoor[0]; // y coordinate + data[21] = _yCoor[1]; + data[22] = _yCoor[2]; + + os.write(data); + + } + + +} |