org.apache.fontbox.ttf.CmapTable Maven / Gradle / Ivy
/*
* 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.
*/
package org.apache.fontbox.ttf;
import java.io.IOException;
/**
* The "cmap" table of a true type font.
*
* @author Ben Litchfield
*/
public class CmapTable extends TTFTable
{
/**
* A tag used to identify this table.
*/
public static final String TAG = "cmap";
// platform
public static final int PLATFORM_UNICODE = 0;
public static final int PLATFORM_MACINTOSH = 1;
public static final int PLATFORM_WINDOWS = 3;
// Mac encodings
public static final int ENCODING_MAC_ROMAN = 0;
// Windows encodings
public static final int ENCODING_WIN_SYMBOL = 0; // Unicode, non-standard character set
public static final int ENCODING_WIN_UNICODE_BMP = 1; // Unicode BMP (UCS-2)
public static final int ENCODING_WIN_SHIFT_JIS = 2;
public static final int ENCODING_WIN_BIG5 = 3;
public static final int ENCODING_WIN_PRC = 4;
public static final int ENCODING_WIN_WANSUNG = 5;
public static final int ENCODING_WIN_JOHAB = 6;
public static final int ENCODING_WIN_UNICODE_FULL = 10; // Unicode Full (UCS-4)
// Unicode encodings
public static final int ENCODING_UNICODE_1_0 = 0;
public static final int ENCODING_UNICODE_1_1 = 1;
public static final int ENCODING_UNICODE_2_0_BMP = 3;
public static final int ENCODING_UNICODE_2_0_FULL = 4;
private CmapSubtable[] cmaps;
CmapTable(TrueTypeFont font)
{
super(font);
}
/**
* This will read the required data from the stream.
*
* @param ttf The font that is being read.
* @param data The stream to read the data from.
* @throws IOException If there is an error reading the data.
*/
@Override
void read(TrueTypeFont ttf, TTFDataStream data) throws IOException
{
@SuppressWarnings({"unused", "squid:S1854", "squid:S1481"})
int version = data.readUnsignedShort();
int numberOfTables = data.readUnsignedShort();
cmaps = new CmapSubtable[numberOfTables];
for (int i = 0; i < numberOfTables; i++)
{
CmapSubtable cmap = new CmapSubtable();
cmap.initData(data);
cmaps[i] = cmap;
}
for (int i = 0; i < numberOfTables; i++)
{
cmaps[i].initSubtable(this, ttf.getNumberOfGlyphs(), data);
}
initialized = true;
}
/**
* @return Returns the cmaps.
*/
public CmapSubtable[] getCmaps()
{
return cmaps;
}
/**
* @param cmapsValue The cmaps to set.
*/
public void setCmaps(CmapSubtable[] cmapsValue)
{
cmaps = cmapsValue;
}
/**
* Returns the subtable, if any, for the given platform and encoding.
*/
public CmapSubtable getSubtable(int platformId, int platformEncodingId)
{
for (CmapSubtable cmap : cmaps)
{
if (cmap.getPlatformId() == platformId &&
cmap.getPlatformEncodingId() == platformEncodingId)
{
return cmap;
}
}
return null;
}
}