Package org.verapdf.pd.font.type1

Class Type1FontProgram

java.lang.Object

org.verapdf.parser.NotSeekableBaseParser

org.verapdf.parser.NotSeekableCOSParser

org.verapdf.parser.postscript.PSParser

org.verapdf.pd.font.type1.Type1FontProgram

All Implemented Interfaces:

Closeable, AutoCloseable, FontProgram

public class Type1FontProgram
extends PSParser
implements FontProgram

This class does parsing of Type 1 font files.

Author:

Sergey Shemyakov

Field Summary

Fields

Modifier and Type	Field	Description
static Logger	LOGGER
static Set<String>	OPERATORS_KEYWORDS

Fields inherited from class org.verapdf.parser.postscript.PSParser

operandStack, userDict

Fields inherited from class org.verapdf.parser.NotSeekableCOSParser

document, flag, integers, keyOfCurrentObject, objects

Fields inherited from class org.verapdf.parser.NotSeekableBaseParser

isPSParser, source

Constructor Summary

Constructors

Constructor	Description
Type1FontProgram(ASInputStream fileStream)

Method Summary

Modifier and Type	Method	Description
boolean	containsCID(int cid)	Method works only for fonts where cid notation is used.
boolean	containsCode(int code)	Checks if font contains character with given code.
boolean	containsGlyph(String glyphName)	Checks if this font program has glyph for given glyph name.
Double	getAscent()
Set<String>	getCharSet()
Double	getDescent()
String[]	getEncoding()
ASFileStreamCloser	getFontProgramResource()
String	getGlyphName(int code)	Returns glyph name for glyph with given code.
String	getWeight()
float	getWidth(int charCode)	Returns width of glyph for given character code.
float	getWidth(String glyphName)	Returns width of glyph for given glyph name.
boolean	isAttemptedParsing()
boolean	isSuccessfulParsing()
void	parseFont()	This method is entry point for parsing process.
protected void	skipSpacesExceptNullByte()

Methods inherited from class org.verapdf.parser.postscript.PSParser

getCloseDictionary, getDictionary, getObjectFromUserDict

Methods inherited from class org.verapdf.parser.NotSeekableCOSParser

getArray, getName, nextObject

Methods inherited from class org.verapdf.parser.NotSeekableBaseParser

close, extendArray, findKeyword, findKeyword, getLineBytes, getToken, initializeToken, isCR, isDigit, isDigit, isEndOfComment, isFF, isLF, nextToken, readLine, readNumber, readUntilDelimiter, skipSpaces, skipSpaces, skipStreamSpaces

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOGGER

public static final Logger LOGGER

OPERATORS_KEYWORDS

public static final Set<String> OPERATORS_KEYWORDS

Constructor Detail

Type1FontProgram

public Type1FontProgram(ASInputStream fileStream)
                 throws IOException

Throws:

IOException

Method Detail

parseFont

public void parseFont()
               throws IOException

This method is entry point for parsing process.

Specified by:

parseFont in interface FontProgram

Throws:

IOException - if stream reading error occurs.

getWidth

public float getWidth(int charCode)

Description copied from interface: FontProgram

Returns width of glyph for given character code.

Specified by:

getWidth in interface FontProgram

Parameters:

charCode - is code for glyph.

Returns:

width of corresponding glyph or -1 if glyph is not found.

getWidth

public float getWidth(String glyphName)

Description copied from interface: FontProgram

Returns width of glyph for given glyph name.

Specified by:

getWidth in interface FontProgram

Parameters:

glyphName - is name for glyph.

Returns:

width of corresponding glyph or -1 if glyph is not found.

skipSpacesExceptNullByte

protected void skipSpacesExceptNullByte()
                                 throws IOException

Throws:

IOException

containsCode

public boolean containsCode(int code)

Description copied from interface: FontProgram

Checks if font contains character with given code.

Specified by:

containsCode in interface FontProgram

Parameters:

code - is character code.

Returns:

true if font contains character with given code.

containsGlyph

public boolean containsGlyph(String glyphName)

Description copied from interface: FontProgram

Checks if this font program has glyph for given glyph name.

Specified by:

containsGlyph in interface FontProgram

Parameters:

glyphName - is the name of glyph.

Returns:

true if this font program has glyph for given name.

containsCID

public boolean containsCID(int cid)

Description copied from interface: FontProgram

Method works only for fonts where cid notation is used.

Specified by:

containsCID in interface FontProgram

Returns:

true if font a is cid font and contains given cid.

isAttemptedParsing

public boolean isAttemptedParsing()

Specified by:

isAttemptedParsing in interface FontProgram

Returns:

true if font parsing has been attempted.

isSuccessfulParsing

public boolean isSuccessfulParsing()

Specified by:

isSuccessfulParsing in interface FontProgram

Returns:

true if font was successfully parsed.

getEncoding

public String[] getEncoding()

Returns:

encoding from embedded font program as array of strings. encoding[i] = glyphName <-> i has name glyphName.

getCharSet

public Set<String> getCharSet()

Returns:

charset from embedded program, i. e. set of all glyph names defined in the embedded font program.

getGlyphName

public String getGlyphName(int code)

Description copied from interface: FontProgram

Returns glyph name for glyph with given code.

Specified by:

getGlyphName in interface FontProgram

Parameters:

code - is code of glyph.

Returns:

glyph name.

getFontProgramResource

public ASFileStreamCloser getFontProgramResource()

Specified by:

getFontProgramResource in interface FontProgram

Returns:

the closeable object that closes source stream of this font program.

getWeight

public String getWeight()

Specified by:

getWeight in interface FontProgram

getAscent

public Double getAscent()

Specified by:

getAscent in interface FontProgram

getDescent

public Double getDescent()

Specified by:

getDescent in interface FontProgram