org.apache.fontbox.ttf.OpenTypeFont 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.awt.geom.GeneralPath;
import java.io.IOException;
/**
* An OpenType (OTF/TTF) font.
*/
public class OpenTypeFont extends TrueTypeFont
{
private boolean isPostScript;
/**
* Constructor. Clients should use the OTFParser to create a new OpenTypeFont object.
*
* @param fontData The font data.
*/
OpenTypeFont(TTFDataStream fontData)
{
super(fontData);
}
@Override
void setVersion(float versionValue)
{
isPostScript = Float.floatToIntBits(versionValue) == 0x469EA8A9; // OTTO
super.setVersion(versionValue);
}
/**
* Get the "CFF" table for this OTF.
*
* @return The "CFF" table.
*/
public CFFTable getCFF() throws IOException
{
if (!isPostScript)
{
throw new UnsupportedOperationException("TTF fonts do not have a CFF table");
}
return (CFFTable) getTable(CFFTable.TAG);
}
@Override
public GlyphTable getGlyph() throws IOException
{
if (isPostScript)
{
throw new UnsupportedOperationException("OTF fonts do not have a glyf table");
}
return super.getGlyph();
}
@Override
public GeneralPath getPath(String name) throws IOException
{
int gid = nameToGID(name);
return getCFF().getFont().getType2CharString(gid).getPath();
}
/**
* Returns true if this font is a PostScript outline font.
*/
public boolean isPostScript()
{
return tables.containsKey(CFFTable.TAG);
}
/**
* Returns true if this font uses OpenType Layout (Advanced Typographic) tables.
*/
public boolean hasLayoutTables()
{
return tables.containsKey("BASE") ||
tables.containsKey("GDEF") ||
tables.containsKey("GPOS") ||
tables.containsKey("GSUB") ||
tables.containsKey("JSTF");
}
}