/*
* 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 com.tom_roush.fontbox.type1;
import android.graphics.Path;
import com.tom_roush.fontbox.EncodedFont;
import com.tom_roush.fontbox.FontBoxFont;
import com.tom_roush.fontbox.cff.Type1CharString;
import com.tom_roush.fontbox.cff.Type1CharStringParser;
import com.tom_roush.fontbox.encoding.Encoding;
import com.tom_roush.fontbox.pfb.PfbParser;
import com.tom_roush.fontbox.util.BoundingBox;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
* Represents an Adobe Type 1 (.pfb) font. Thread safe.
*
* @author John Hewson
*/
public final class Type1Font implements Type1CharStringReader, EncodedFont, FontBoxFont
{
/**
* Constructs a new Type1Font object from a .pfb stream.
*
* @param pfbStream .pfb input stream, including headers
* @return a type1 font
*
* @throws IOException if something went wrong
*/
public static Type1Font createWithPFB(InputStream pfbStream) throws IOException
{
PfbParser pfb = new PfbParser(pfbStream);
Type1Parser parser = new Type1Parser();
return parser.parse(pfb.getSegment1(), pfb.getSegment2());
}
/**
* Constructs a new Type1Font object from a .pfb stream.
*
* @param pfbBytes .pfb data, including headers
* @return a type1 font
*
* @throws IOException if something went wrong
*/
public static Type1Font createWithPFB(byte[] pfbBytes) throws IOException
{
PfbParser pfb = new PfbParser(pfbBytes);
Type1Parser parser = new Type1Parser();
return parser.parse(pfb.getSegment1(), pfb.getSegment2());
}
/**
* Constructs a new Type1Font object from two header-less .pfb segments.
*
* @param segment1 The first segment, without header
* @param segment2 The second segment, without header
* @return A new Type1Font instance
* @throws IOException if something went wrong
*/
public static Type1Font createWithSegments(byte[] segment1, byte[] segment2) throws IOException
{
Type1Parser parser = new Type1Parser();
return parser.parse(segment1, segment2);
}
// font dictionary
String fontName = "";
Encoding encoding = null;
int paintType;
int fontType;
List<Number> fontMatrix = new ArrayList<Number>();
List<Number> fontBBox = new ArrayList<Number>();
int uniqueID;
float strokeWidth;
String fontID = "";
// FontInfo dictionary
String version = "";
String notice = "";
String fullName = "";
String familyName = "";
String weight = "";
float italicAngle;
boolean isFixedPitch;
float underlinePosition;
float underlineThickness;
// Private dictionary
List<Number> blueValues = new ArrayList<Number>();
List<Number> otherBlues = new ArrayList<Number>();
List<Number> familyBlues = new ArrayList<Number>();
List<Number> familyOtherBlues = new ArrayList<Number>();
float blueScale;
int blueShift, blueFuzz;
List<Number> stdHW = new ArrayList<Number>();
List<Number> stdVW = new ArrayList<Number>();
List<Number> stemSnapH = new ArrayList<Number>();
List<Number> stemSnapV = new ArrayList<Number>();
boolean forceBold;
int languageGroup;
// Subrs array, and CharStrings dictionary
final List<byte[]> subrs = new ArrayList<byte[]>();
final Map<String, byte[]> charstrings = new LinkedHashMap<String, byte[]>();
// private caches
private final Map<String, Type1CharString> charStringCache =
new ConcurrentHashMap<String, Type1CharString>();
// raw data
private final byte[] segment1, segment2;
/**
* Constructs a new Type1Font, called by Type1Parser.
*/
Type1Font(byte[] segment1, byte[] segment2)
{
this.segment1 = segment1;
this.segment2 = segment2;
}
/**
* Returns the /Subrs array as raw bytes.
*
* @return Type 1 char string bytes
*/
public List<byte[]> getSubrsArray()
{
return Collections.unmodifiableList(subrs);
}
/**
* Returns the /CharStrings dictionary as raw bytes.
*
* @return Type 1 char string bytes
*/
public Map<String, byte[]> getCharStringsDict()
{
return Collections.unmodifiableMap(charstrings);
}
@Override
public String getName()
{
return fontName;
}
@Override
public Path getPath(String name) throws IOException
{
return getType1CharString(name).getPath();
}
@Override
public float getWidth(String name) throws IOException
{
return getType1CharString(name).getWidth();
}
@Override
public boolean hasGlyph(String name)
{
return charstrings.get(name) != null;
}
@Override
public Type1CharString getType1CharString(String name) throws IOException
{
Type1CharString type1 = charStringCache.get(name);
if (type1 == null)
{
byte[] bytes = charstrings.get(name);
if (bytes == null)
{
bytes = charstrings.get(".notdef");
}
Type1CharStringParser parser = new Type1CharStringParser(fontName, name);
List<Object> sequence = parser.parse(bytes, subrs);
type1 = new Type1CharString(this, fontName, name, sequence);
charStringCache.put(name, type1);
}
return type1;
}
// font dictionary
/**
* Returns the font name.
*
* @return the font name
*/
public String getFontName()
{
return fontName;
}
/**
* Returns the Encoding, if present.
* @return the encoding or null
*/
@Override
public Encoding getEncoding()
{
return encoding;
}
/**
* Returns the paint type.
*
* @return the paint type
*/
public int getPaintType()
{
return paintType;
}
/**
* Returns the font type.
*
* @return the font type
*/
public int getFontType()
{
return fontType;
}
/**
* Returns the font matrix.
*
* @return the font matrix
*/
public List<Number> getFontMatrix()
{
return Collections.unmodifiableList(fontMatrix);
}
/**
* Returns the font bounding box.
*
* @return the font bounding box
*/
@Override
public BoundingBox getFontBBox()
{
return new BoundingBox(fontBBox);
}
/**
* Returns unique ID.
*
* @return the unique ID
*/
public int getUniqueID()
{
return uniqueID;
}
/**
* Returns the stroke width.
*
* @return the stroke width
*/
public float getStrokeWidth()
{
return strokeWidth;
}
/**
* Returns the font ID.
*
* @return the font ID
*/
public String getFontID()
{
return fontID;
}
// FontInfo dictionary
/**
* Returns the version.
*
* @return the version
*/
public String getVersion()
{
return version;
}
/**
* Returns the notice.
*
* @return the notice
*/
public String getNotice()
{
return notice;
}
/**
* Returns the full name.
*
* @return the full name
*/
public String getFullName()
{
return fullName;
}
/**
* Returns the family name.
*
* @return the family name
*/
public String getFamilyName()
{
return familyName;
}
/**
* Returns the weight.
*
* @return the weight
*/
public String getWeight()
{
return weight;
}
/**
* Returns the italic angle.
*
* @return the italic angle
*/
public float getItalicAngle()
{
return italicAngle;
}
/**
* Determines if the font has a fixed pitch.
*
* @return true if the font has a fixed pitch
*/
public boolean isFixedPitch()
{
return isFixedPitch;
}
/**
* Returns the underline position
*
* @return the underline position
*/
public float getUnderlinePosition()
{
return underlinePosition;
}
/**
* Returns the underline thickness.
*
* @return the underline thickness
*/
public float getUnderlineThickness()
{
return underlineThickness;
}
// Private dictionary
/**
* Returns the blues values.
*
* @return the blues values
*/
public List<Number> getBlueValues()
{
return Collections.unmodifiableList(blueValues);
}
/**
* Returns the other blues values.
*
* @return the other blues values
*/
public List<Number> getOtherBlues()
{
return Collections.unmodifiableList(otherBlues);
}
/**
* Returns the family blues values.
*
* @return the family blues values
*/
public List<Number> getFamilyBlues()
{
return Collections.unmodifiableList(familyBlues);
}
/**
* Returns the other family blues values.
*
* @return the other family blues values
*/
public List<Number> getFamilyOtherBlues()
{
return Collections.unmodifiableList(familyOtherBlues);
}
/**
* Returns the blue scale.
*
* @return the blue scale
*/
public float getBlueScale()
{
return blueScale;
}
/**
* Returns the blue shift.
*
* @return the blue shift
*/
public int getBlueShift()
{
return blueShift;
}
/**
* Returns the blue fuzz.
*
* @return the blue fuzz
*/
public int getBlueFuzz()
{
return blueFuzz;
}
/**
* Returns the StdHW value.
*
* @return the StdHW value
*/
public List<Number> getStdHW()
{
return Collections.unmodifiableList(stdHW);
}
/**
* Returns the StdVW value.
*
* @return the StdVW value
*/
public List<Number> getStdVW()
{
return Collections.unmodifiableList(stdVW);
}
/**
* Returns the StemSnapH value.
*
* @return the StemSnapH value
*/
public List<Number> getStemSnapH()
{
return Collections.unmodifiableList(stemSnapH);
}
/**
* Returns the StemSnapV value.
*
* @return the StemSnapV value
*/
public List<Number> getStemSnapV()
{
return Collections.unmodifiableList(stemSnapV);
}
/**
* Determines if the font is bold.
*
* @return true if the font is bold
*/
public boolean isForceBold()
{
return forceBold;
}
/**
* Returns the language group.
*
* @return the language group
*/
public int getLanguageGroup()
{
return languageGroup;
}
/**
* Returns the ASCII segment.
*
* @return the ASCII segment.
*/
public byte[] getASCIISegment()
{
return segment1;
}
/**
* Returns the binary segment.
*
* @return the binary segment.
*/
public byte[] getBinarySegment()
{
return segment2;
}
/**
* {@inheritDoc}
*/
@Override
public String toString()
{
return getClass().getName() + "[fontName=" + fontName + ", fullName=" + fullName
+ ", encoding=" + encoding + ", charStringsDict=" + charstrings
+ "]";
}
}