Package eu.europa.esig.dss.pdf.visible

Class AbstractFontMetrics

java.lang.Object

eu.europa.esig.dss.pdf.visible.AbstractFontMetrics

Direct Known Subclasses:

ITextFontMetrics, JavaFontMetrics, PdfBoxFontMetrics

public abstract class AbstractFontMetrics
extends Object

Contains methods for dealing with textual visual signature creation

Constructor Summary

Constructors

Constructor	Description
AbstractFontMetrics()

Method Summary

Modifier and Type	Method	Description
AnnotationBox	computeTextBoundaryBox(String text, float fontSize, float padding)	Computes a text boundary box
abstract float	getHeight(String str, float size)	Computes a height for a string of a given size
String[]	getLines(String text)	Returns an array of strings, divided by a new line character
abstract float	getWidth(String str, float size)	Computes a width for a string of a given size

Methods inherited from class java.lang.Object

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

Constructor Details

AbstractFontMetrics

public AbstractFontMetrics()

Method Details

getLines

public String[] getLines(String text)

Returns an array of strings, divided by a new line character

Parameters:

text - String original text to get lines from

Returns:

an array of Strings

computeTextBoundaryBox

public AnnotationBox computeTextBoundaryBox(String text,
float fontSize,
float padding)

Computes a text boundary box

Parameters:

text - String the original text to get Dimension for

fontSize - the size of a font

padding - the padding between text and its boundaries

Returns:

AnnotationBox of the text

getWidth

public abstract float getWidth(String str,
float size)

Computes a width for a string of a given size

Parameters:

str - String to get width of

size - of a string

Returns:

string width

getHeight

public abstract float getHeight(String str,
float size)

Computes a height for a string of a given size

Parameters:

str - String to get height of

size - of a string

Returns:

string width