Package com.sun.pdfview.font.ttf

Class GlyfCompound

java.lang.Object

com.sun.pdfview.font.ttf.Glyf

com.sun.pdfview.font.ttf.GlyfCompound

public class GlyfCompound
extends Glyf

A single simple glyph in a pdf font.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) class	GlyfCompound.GlyfComponent	The record for a single component of this compound glyph

Field Summary

Fields

Modifier and Type	Field	Description
private static int	ARG_1_AND_2_ARE_WORDS	flags
private static int	ARGS_ARE_XY_VALUES
private GlyfCompound.GlyfComponent[]	components	the flags for each compound glyph
private byte[]	instructions	the instructions for the compound as a whole
private static int	MORE_COMPONENTS
private static int	OVERLAP_COMPOUND
private static int	ROUND_XY_TO_GRID
private static int	USE_MY_METRICS
private static int	WE_HAVE_A_SCALE
private static int	WE_HAVE_A_TWO_BY_TWO
private static int	WE_HAVE_AN_X_AND_Y_SCALE
private static int	WE_HAVE_INSTRUCTIONS

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	GlyfCompound()	Creates a new instance of a simple glyf

Method Summary

Modifier and Type	Method	Description
boolean	argsAreWords(int index)	Determine whether args 1 and 2 are words or bytes
boolean	argsAreXYValues(int index)	Determine whether args 1 and 2 are xy values or point indices
int	getComponentPoint(int index)	Get the point in the component glyph to match
int	getCompoundPoint(int index)	Get the point in the compound glyph to match
java.nio.ByteBuffer	getData()	Get the data in this glyf as a byte buffer.
short	getFlag(int index)	Get a given flag
short	getGlyphIndex(int index)	Get the glyf index for a given glyf
byte	getInstruction(int index)	Get a given instruction
short	getLength()	Get the length of this glyf.
int	getNumComponents()	Get the number of components in this compound
short	getNumInstructions()	Get the number of instructions
double[]	getTransform(int index)	Get the base affine transform.
boolean	hasAScale(int index)	Determine whether there is a simple scale
protected boolean	hasInstructions(int index)	Determine whether there are instructions
protected boolean	hasTwoByTwo(int index)	Determine whether there is a 2x2 transform
protected boolean	hasXYScale(int index)	Determine whether there are separate scales on X and Y
protected boolean	moreComponents(int index)	Determine whether there are more components left to read
boolean	overlapCompound(int index)	This component overlaps the existing compound
boolean	roundXYToGrid(int index)	Determine whether to round XY values to the grid
(package private) void	setComponents(GlyfCompound.GlyfComponent[] components)	Set the components
void	setData(java.nio.ByteBuffer data)	Set the data for this glyf.
protected void	setInstructions(byte[] instructions)	Set the instructions
boolean	useMetrics(int index)	Use the metrics of this component for the compound

Methods inherited from class com.sun.pdfview.font.ttf.Glyf

getGlyf, getMaxX, getMaxY, getMinX, getMinY, getNumContours, isCompound, setCompound, setMaxX, setMaxY, setMinX, setMinY, setNumContours

Methods inherited from class java.lang.Object

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

Field Detail

ARG_1_AND_2_ARE_WORDS

private static final int ARG_1_AND_2_ARE_WORDS

flags

See Also:

Constant Field Values

ARGS_ARE_XY_VALUES

private static final int ARGS_ARE_XY_VALUES

See Also:

Constant Field Values

ROUND_XY_TO_GRID

private static final int ROUND_XY_TO_GRID

See Also:

Constant Field Values

WE_HAVE_A_SCALE

private static final int WE_HAVE_A_SCALE

See Also:

Constant Field Values

MORE_COMPONENTS

private static final int MORE_COMPONENTS

See Also:

Constant Field Values

WE_HAVE_AN_X_AND_Y_SCALE

private static final int WE_HAVE_AN_X_AND_Y_SCALE

See Also:

Constant Field Values

WE_HAVE_A_TWO_BY_TWO

private static final int WE_HAVE_A_TWO_BY_TWO

See Also:

Constant Field Values

WE_HAVE_INSTRUCTIONS

private static final int WE_HAVE_INSTRUCTIONS

See Also:

Constant Field Values

USE_MY_METRICS

private static final int USE_MY_METRICS

See Also:

Constant Field Values

OVERLAP_COMPOUND

private static final int OVERLAP_COMPOUND

See Also:

Constant Field Values

components

private GlyfCompound.GlyfComponent[] components

the flags for each compound glyph

instructions

private byte[] instructions

the instructions for the compound as a whole

Constructor Detail

GlyfCompound

protected GlyfCompound()

Creates a new instance of a simple glyf

Method Detail

setData

public void setData(java.nio.ByteBuffer data)

Set the data for this glyf.

Overrides:

setData in class Glyf

getData

public java.nio.ByteBuffer getData()

Get the data in this glyf as a byte buffer. Not implemented.

Overrides:

getData in class Glyf

getLength

public short getLength()

Get the length of this glyf. Not implemented.

Overrides:

getLength in class Glyf

getNumComponents

public int getNumComponents()

Get the number of components in this compound

getFlag

public short getFlag(int index)

Get a given flag

getGlyphIndex

public short getGlyphIndex(int index)

Get the glyf index for a given glyf

getTransform

public double[] getTransform(int index)

Get the base affine transform. This is based on a whacy formula defined in the true type font spec.

getCompoundPoint

public int getCompoundPoint(int index)

Get the point in the compound glyph to match

getComponentPoint

public int getComponentPoint(int index)

Get the point in the component glyph to match

argsAreWords

public boolean argsAreWords(int index)

Determine whether args 1 and 2 are words or bytes

argsAreXYValues

public boolean argsAreXYValues(int index)

Determine whether args 1 and 2 are xy values or point indices

roundXYToGrid

public boolean roundXYToGrid(int index)

Determine whether to round XY values to the grid

hasAScale

public boolean hasAScale(int index)

Determine whether there is a simple scale

moreComponents

protected boolean moreComponents(int index)

Determine whether there are more components left to read

hasXYScale

protected boolean hasXYScale(int index)

Determine whether there are separate scales on X and Y

hasTwoByTwo

protected boolean hasTwoByTwo(int index)

Determine whether there is a 2x2 transform

hasInstructions

protected boolean hasInstructions(int index)

Determine whether there are instructions

useMetrics

public boolean useMetrics(int index)

Use the metrics of this component for the compound

overlapCompound

public boolean overlapCompound(int index)

This component overlaps the existing compound

setComponents

void setComponents(GlyfCompound.GlyfComponent[] components)

Set the components

getNumInstructions

public short getNumInstructions()

Get the number of instructions

getInstruction

public byte getInstruction(int index)

Get a given instruction

setInstructions

protected void setInstructions(byte[] instructions)

Set the instructions