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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.ioca;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.fop.afp.modca.AbstractAFPObject;
import org.apache.fop.afp.util.BinaryUtils;
/**
* The IM Image Cell Position structured field specifies the placement,
* size, and replication of IM image cells.
*/
public class ImageCellPosition extends AbstractAFPObject {
/** offset of image cell in X direction */
private int xOffset = 0;
/** offset of image cell in Y direction */
private int yOffset = 0;
/** size of image cell in X direction */
private final byte[] xSize = new byte[] {(byte)0xFF, (byte)0xFF};
/** size of image cell in Y direction */
private final byte[] ySize = new byte[] {(byte)0xFF, (byte)0xFF};
/** size of fill rectangle in X direction */
private final byte[] xFillSize = new byte[] {(byte)0xFF, (byte)0xFF};
/** size of fill rectangle in Y direction */
private final byte[] yFillSize = new byte[] {(byte)0xFF, (byte)0xFF};
/**
* Main Constructor
*
* @param x The offset of image cell in X direction
* @param y The offset of image cell in Y direction
*/
public ImageCellPosition(int x, int y) {
xOffset = x;
yOffset = y;
}
/** {@inheritDoc} */
public void writeToStream(OutputStream os) throws IOException {
byte[] data = new byte[21];
copySF(data, Type.POSITION, Category.IM_IMAGE);
data[1] = 0x00; // length
data[2] = 0x14;
/**
* Specifies the offset along the Xp direction, in image points,
* of this image cell from the IM image object area origin.
*/
byte[] x1 = BinaryUtils.convert(xOffset, 2);
data[9] = x1[0];
data[10] = x1[1];
/**
* Specifies the offset along the Yp direction, in image points,
* of this image cell from the IM image object area origin.
*/
byte[] x2 = BinaryUtils.convert(yOffset, 2);
data[11] = x2[0];
data[12] = x2[1];
data[13] = xSize[0];
data[14] = xSize[1];
data[15] = ySize[0];
data[16] = ySize[1];
data[17] = xFillSize[0];
data[18] = xFillSize[1];
data[19] = yFillSize[0];
data[20] = yFillSize[1];
os.write(data);
}
/**
* Specifies the extent in the X direction, in image points,
* of this image cell. A value of X'FFFF' indicates that the
* default extent specified in bytes 28 and 29 of the Image
* Input Descriptor (IID) is to be used.
*
* @param xcSize The size to set.
*/
public void setXSize(int xcSize) {
byte[] x = BinaryUtils.convert(xcSize, 2);
xSize[0] = x[0];
xSize[1] = x[1];
}
/**
* Specifies the extent of the fill rectangle in the X direction,
* in image points. This value can be smaller than, equal to, or
* larger than the image cell extent in the X direction (XCSize).
* A value of X'FFFF' indicates that the image cell X-extent should
* be used as the fill rectangle X-extent. The fill rectangle is
* filled in the X direction by repeating the image cell in the
* X direction. The image cell can be truncated to fit the rectangle.
*
* @param size The size to set.
*/
public void setXFillSize(int size) {
byte[] x = BinaryUtils.convert(size, 2);
this.xFillSize[0] = x[0];
this.xFillSize[1] = x[1];
}
/**
* Specifies the extent in the Y direction, in image points,
* of this image cell. A value of X'FFFF' indicates that the
* default extent specified in bytes 30 and 31 of the Image
* Input Descriptor (IID) is to be used.
*
* @param size The size to set.
*/
public void setYSize(int size) {
byte[] x = BinaryUtils.convert(size, 2);
this.ySize[0] = x[0];
this.ySize[1] = x[1];
}
/**
* Specifies the extent of the fill rectangle in the Y direction,
* in image points. This value can be smaller than, equal to, or
* larger than the image cell extent in the Y direction (YCSize).
* A value of X'FFFF' indicates that the image cell Y-extent should
* be used as the fill rectangle Y-extent. The fill rectangle is
* filled in the Y direction by repeating the image cell in the
* Y direction. The image cell can be truncated to fit the rectangle.
*
* @param size The size to set.
*/
public void setYFillSize(int size) {
byte[] x = BinaryUtils.convert(size, 2);
this.yFillSize[0] = x[0];
this.yFillSize[1] = x[1];
}
}
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