01: /*
02:
03: Licensed to the Apache Software Foundation (ASF) under one or more
04: contributor license agreements. See the NOTICE file distributed with
05: this work for additional information regarding copyright ownership.
06: The ASF licenses this file to You under the Apache License, Version 2.0
07: (the "License"); you may not use this file except in compliance with
08: the License. You may obtain a copy of the License at
09:
10: http://www.apache.org/licenses/LICENSE-2.0
11:
12: Unless required by applicable law or agreed to in writing, software
13: distributed under the License is distributed on an "AS IS" BASIS,
14: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15: See the License for the specific language governing permissions and
16: limitations under the License.
17:
18: */
19: package org.apache.batik.svggen.font.table;
20:
21: import java.io.IOException;
22: import java.io.RandomAccessFile;
23:
24: /**
25: *
26: * @author <a href="mailto:david@steadystate.co.uk">David Schweinsberg</a>
27: * @version $Id: Device.java 501495 2007-01-30 18:00:36Z dvholten $
28: */
29: public class Device {
30:
31: private int startSize;
32: private int endSize;
33: private int deltaFormat;
34: private int[] deltaValues;
35:
36: /** Creates new Device */
37: public Device(RandomAccessFile raf) throws IOException {
38: startSize = raf.readUnsignedShort();
39: endSize = raf.readUnsignedShort();
40: deltaFormat = raf.readUnsignedShort();
41: int size = startSize - endSize;
42: switch (deltaFormat) {
43: case 1:
44: size = (size % 8 == 0) ? size / 8 : size / 8 + 1;
45: break;
46: case 2:
47: size = (size % 4 == 0) ? size / 4 : size / 4 + 1;
48: break;
49: case 3:
50: size = (size % 2 == 0) ? size / 2 : size / 2 + 1;
51: break;
52: }
53: deltaValues = new int[size];
54: for (int i = 0; i < size; i++) {
55: deltaValues[i] = raf.readUnsignedShort();
56: }
57: }
58:
59: }
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