org.apache.fontbox.ttf.PostScriptTable Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of org.apache.fop Show documentation
Show all versions of org.apache.fop Show documentation
The core maven build properties
The newest version!
/*
* 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;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* A table in a true type font.
*
* @author Ben Litchfield
*/
public class PostScriptTable extends TTFTable
{
private static final Log LOG = LogFactory.getLog(PostScriptTable.class);
private float formatType;
private float italicAngle;
private short underlinePosition;
private short underlineThickness;
private long isFixedPitch;
private long minMemType42;
private long maxMemType42;
private long mimMemType1;
private long maxMemType1;
private String[] glyphNames = null;
/**
* A tag that identifies this table type.
*/
public static final String TAG = "post";
PostScriptTable(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
{
formatType = data.read32Fixed();
italicAngle = data.read32Fixed();
underlinePosition = data.readSignedShort();
underlineThickness = data.readSignedShort();
isFixedPitch = data.readUnsignedInt();
minMemType42 = data.readUnsignedInt();
maxMemType42 = data.readUnsignedInt();
mimMemType1 = data.readUnsignedInt();
maxMemType1 = data.readUnsignedInt();
if (formatType == 1.0f)
{
/*
* This TrueType font file contains exactly the 258 glyphs in the standard Macintosh TrueType.
*/
glyphNames = new String[WGL4Names.NUMBER_OF_MAC_GLYPHS];
System.arraycopy(WGL4Names.MAC_GLYPH_NAMES, 0, glyphNames, 0, WGL4Names.NUMBER_OF_MAC_GLYPHS);
}
else if (formatType == 2.0f)
{
int numGlyphs = data.readUnsignedShort();
int[] glyphNameIndex = new int[numGlyphs];
glyphNames = new String[numGlyphs];
int maxIndex = Integer.MIN_VALUE;
for (int i = 0; i < numGlyphs; i++)
{
int index = data.readUnsignedShort();
glyphNameIndex[i] = index;
// PDFBOX-808: Index numbers between 32768 and 65535 are
// reserved for future use, so we should just ignore them
if (index <= 32767)
{
maxIndex = Math.max(maxIndex, index);
}
}
String[] nameArray = null;
if (maxIndex >= WGL4Names.NUMBER_OF_MAC_GLYPHS)
{
nameArray = new String[maxIndex - WGL4Names.NUMBER_OF_MAC_GLYPHS + 1];
for (int i = 0; i < nameArray.length; i++)
{
int numberOfChars = data.readUnsignedByte();
try
{
nameArray[i] = data.readString(numberOfChars);
}
catch (IOException ex)
{
// PDFBOX-4851: EOF
LOG.warn("Error reading names in PostScript table at entry " + i + " of " +
nameArray.length + ", setting remaining entries to .notdef", ex);
for (int j = i; j < nameArray.length; ++j)
{
nameArray[j] = ".notdef";
}
break;
}
}
}
for (int i = 0; i < numGlyphs; i++)
{
int index = glyphNameIndex[i];
if (index >= 0 && index < WGL4Names.NUMBER_OF_MAC_GLYPHS)
{
glyphNames[i] = WGL4Names.MAC_GLYPH_NAMES[index];
}
else if (index >= WGL4Names.NUMBER_OF_MAC_GLYPHS && index <= 32767)
{
glyphNames[i] = nameArray[index - WGL4Names.NUMBER_OF_MAC_GLYPHS];
}
else
{
// PDFBOX-808: Index numbers between 32768 and 65535 are
// reserved for future use, so we should just ignore them
glyphNames[i] = ".undefined";
}
}
}
else if (formatType == 2.5f)
{
int[] glyphNameIndex = new int[ttf.getNumberOfGlyphs()];
for (int i = 0; i < glyphNameIndex.length; i++)
{
int offset = data.readSignedByte();
glyphNameIndex[i] = i + 1 + offset;
}
glyphNames = new String[glyphNameIndex.length];
for (int i = 0; i < glyphNames.length; i++)
{
int index = glyphNameIndex[i];
if (index >= 0 && index < WGL4Names.NUMBER_OF_MAC_GLYPHS)
{
String name = WGL4Names.MAC_GLYPH_NAMES[index];
if (name != null)
{
glyphNames[i] = name;
}
}
else
{
LOG.debug("incorrect glyph name index " + index +
", valid numbers 0.." + WGL4Names.NUMBER_OF_MAC_GLYPHS);
}
}
}
else if (formatType == 3.0f)
{
// no postscript information is provided.
LOG.debug("No PostScript name information is provided for the font " + font.getName());
}
initialized = true;
}
/**
* @return Returns the formatType.
*/
public float getFormatType()
{
return formatType;
}
/**
* @param formatTypeValue The formatType to set.
*/
public void setFormatType(float formatTypeValue)
{
this.formatType = formatTypeValue;
}
/**
* @return Returns the isFixedPitch.
*/
public long getIsFixedPitch()
{
return isFixedPitch;
}
/**
* @param isFixedPitchValue The isFixedPitch to set.
*/
public void setIsFixedPitch(long isFixedPitchValue)
{
this.isFixedPitch = isFixedPitchValue;
}
/**
* @return Returns the italicAngle.
*/
public float getItalicAngle()
{
return italicAngle;
}
/**
* @param italicAngleValue The italicAngle to set.
*/
public void setItalicAngle(float italicAngleValue)
{
this.italicAngle = italicAngleValue;
}
/**
* @return Returns the maxMemType1.
*/
public long getMaxMemType1()
{
return maxMemType1;
}
/**
* @param maxMemType1Value The maxMemType1 to set.
*/
public void setMaxMemType1(long maxMemType1Value)
{
this.maxMemType1 = maxMemType1Value;
}
/**
* @return Returns the maxMemType42.
*/
public long getMaxMemType42()
{
return maxMemType42;
}
/**
* @param maxMemType42Value The maxMemType42 to set.
*/
public void setMaxMemType42(long maxMemType42Value)
{
this.maxMemType42 = maxMemType42Value;
}
/**
* @return Returns the mimMemType1.
*/
public long getMinMemType1()
{
return mimMemType1;
}
/**
* @param mimMemType1Value The mimMemType1 to set.
*/
public void setMimMemType1(long mimMemType1Value)
{
this.mimMemType1 = mimMemType1Value;
}
/**
* @return Returns the minMemType42.
*/
public long getMinMemType42()
{
return minMemType42;
}
/**
* @param minMemType42Value The minMemType42 to set.
*/
public void setMinMemType42(long minMemType42Value)
{
this.minMemType42 = minMemType42Value;
}
/**
* @return Returns the underlinePosition.
*/
public short getUnderlinePosition()
{
return underlinePosition;
}
/**
* @param underlinePositionValue The underlinePosition to set.
*/
public void setUnderlinePosition(short underlinePositionValue)
{
this.underlinePosition = underlinePositionValue;
}
/**
* @return Returns the underlineThickness.
*/
public short getUnderlineThickness()
{
return underlineThickness;
}
/**
* @param underlineThicknessValue The underlineThickness to set.
*/
public void setUnderlineThickness(short underlineThicknessValue)
{
this.underlineThickness = underlineThicknessValue;
}
/**
* @return Returns the glyphNames.
*/
public String[] getGlyphNames()
{
return glyphNames;
}
/**
* @param glyphNamesValue The glyphNames to set.
*/
public void setGlyphNames(String[] glyphNamesValue)
{
this.glyphNames = glyphNamesValue;
}
/**
* @return Returns the glyph name.
*/
public String getName(int gid)
{
if (gid < 0 || glyphNames == null || gid >= glyphNames.length)
{
return null;
}
return glyphNames[gid];
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy