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: SingleSubstFormat1.java 475477 2006-11-15 22:44:28Z cam $
28: */
29: public class SingleSubstFormat1 extends SingleSubst {
30:
31: private int coverageOffset;
32: private short deltaGlyphID;
33: private Coverage coverage;
34:
35: /** Creates new SingleSubstFormat1 */
36: protected SingleSubstFormat1(RandomAccessFile raf, int offset)
37: throws IOException {
38: coverageOffset = raf.readUnsignedShort();
39: deltaGlyphID = raf.readShort();
40: raf.seek(offset + coverageOffset);
41: coverage = Coverage.read(raf);
42: }
43:
44: public int getFormat() {
45: return 1;
46: }
47:
48: public int substitute(int glyphId) {
49: int i = coverage.findGlyph(glyphId);
50: if (i > -1) {
51: return glyphId + deltaGlyphID;
52: }
53: return glyphId;
54: }
55:
56: }
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