chemaxon.struc.graphics

Class MTextDocument.Portion

java.lang.Object

chemaxon.struc.graphics.MTextDocument.Portion

Enclosing class:

MTextDocument

public class MTextDocument.Portion
extends Object

Selected text.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	endsWith(char c) Tests whether this text portion ends with the specified character.
double	getAscent(Graphics g, FontMetrics fm0) Gets the ascent of this portion.
double	getDescent(Graphics g, FontMetrics fm0) Gets the descent of this portion.
double	getEndDx() Gets the x shift at the end.
int	getEndPos() Gets the position of the last character + 1.
String	getPlainText() Gets the selected text as a plain text string.
MTextDocument.Portion	getPortion(int start, int end) Gets a portion of the text relative to this portion.
int	getStartPos() Gets the position of the first character.
int	length() Gets the number of characters.
double	portionWidth(Graphics g, MFont dmfont, FontMetrics fm0) Gets the width of this portion.
double	portionXAdvance(Graphics g, MFont dmf, FontMetrics fm0) Gets the x coordinate change from the beginning to the end of this portion.
double	portionXAdvance(Graphics g, MFont dmfont, FontMetrics fm0, boolean lastxadv) Gets the width of this portion.
String	toString() Gets the string representation of the portion.

Methods inherited from class java.lang.Object

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

Method Detail

getStartPos

public final int getStartPos()

Gets the position of the first character.

Returns:

the start index

getEndPos

public final int getEndPos()

Gets the position of the last character + 1.

Returns:

the end index

length

public final int length()

Gets the number of characters.

Returns:

the length

portionWidth

public final double portionWidth(Graphics g,
                  MFont dmfont,
                  FontMetrics fm0)

Gets the width of this portion.

Parameters:

g - the graphics context or null

fm0 - default font metrics

Returns:

the width

portionXAdvance

public final double portionXAdvance(Graphics g,
                     MFont dmf,
                     FontMetrics fm0)

Gets the x coordinate change from the beginning to the end of this portion.

Parameters:

g - the graphics context or null

fm0 - default font metrics

Returns:

the width

portionXAdvance

public final double portionXAdvance(Graphics g,
                     MFont dmfont,
                     FontMetrics fm0,
                     boolean lastxadv)

Gets the width of this portion.

Parameters:

g - the graphics context or null

fm0 - default font metrics

lastxadv - whether to calculate the x advance for the next section beginning at the last character

Returns:

the width

getEndDx

public final double getEndDx()

Gets the x shift at the end. It can be nonzero only if a new section starts at the end of this portion. This method should only be called after portionWidth.

Returns:

the x shift

getAscent

public final double getAscent(Graphics g,
               FontMetrics fm0)

Gets the ascent of this portion.

Parameters:

g - the graphics context or null

fm0 - default font metrics

Returns:

the ascent

getDescent

public final double getDescent(Graphics g,
                FontMetrics fm0)

Gets the descent of this portion.

Parameters:

g - the graphics context or null

fm0 - default font metrics

Returns:

the descent

getPortion

public final MTextDocument.Portion getPortion(int start,
                               int end)

Gets a portion of the text relative to this portion.

Parameters:

start - relative start position

end - relative end position

Returns:

the portion

getPlainText

public final String getPlainText()

Gets the selected text as a plain text string.

Returns:

the text

toString

public final String toString()

Gets the string representation of the portion.

Overrides:

toString in class Object

Returns:

the string

endsWith

public boolean endsWith(char c)

Tests whether this text portion ends with the specified character.

Parameters:

c - the character

Returns:

true if c is the last character, false otherwise