org.gjt.sp.jedit.syntax
Class Chunk

java.lang.Object
  org.gjt.sp.jedit.syntax.Token
      org.gjt.sp.jedit.syntax.Chunk

public class Chunk

extends Token

A syntax token with extra information required for painting it on screen.

Since:

jEdit 4.1pre1

Field Summary

boolean	accessable
java.awt.Color	background
int	charWidth
java.awt.font.GlyphVector	gv
boolean	initialized
boolean	monospaced
java.lang.String	str
SyntaxStyle	style
boolean	visible
float	width

Fields inherited from class org.gjt.sp.jedit.syntax.Token

COMMENT1, COMMENT2, COMMENT3, COMMENT4, DIGIT, END, FUNCTION, id, ID_COUNT, INVALID, KEYWORD1, KEYWORD2, KEYWORD3, KEYWORD4, LABEL, length, LITERAL1, LITERAL2, LITERAL3, LITERAL4, MARKUP, next, NULL, offset, OPERATOR, rules, TOKEN_TYPES

Constructor Summary

Chunk(byte id, int offset, int length, ParserRuleSet rules, SyntaxStyle[] styles, byte defaultID)

Chunk(float width, int offset, ParserRuleSet rules)

Method Summary

float[]	getPositions()
void	init(javax.swing.text.Segment seg, javax.swing.text.TabExpander expander, float x, java.awt.font.FontRenderContext fontRenderContext)
static float	offsetToX(Chunk chunks, int offset) Converts an offset in a chunk list into an x co-ordinate.
float	offsetToX(int offset)
static float	paintChunkBackgrounds(Chunk chunks, java.awt.Graphics2D gfx, float x, float y) Paints the background highlights of a chunk list.
static float	paintChunkList(Chunk chunks, java.awt.Graphics2D gfx, float x, float y, boolean glyphVector) Paints a chunk list.
static int	xToOffset(Chunk chunks, float x, boolean round) Converts an x co-ordinate in a chunk list into an offset.
int	xToOffset(float x, boolean round)

Methods inherited from class org.gjt.sp.jedit.syntax.Token

stringToToken, tokenToString, toString

Methods inherited from class java.lang.Object

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

Field Detail

accessable

public boolean accessable

visible

public boolean visible

initialized

public boolean initialized

monospaced

public boolean monospaced

charWidth

public int charWidth

style

public SyntaxStyle style

background

public java.awt.Color background

width

public float width

gv

public java.awt.font.GlyphVector gv

str

public java.lang.String str

Constructor Detail

Chunk

public Chunk(float width,
             int offset,
             ParserRuleSet rules)

Chunk

public Chunk(byte id,
             int offset,
             int length,
             ParserRuleSet rules,
             SyntaxStyle[] styles,
             byte defaultID)

Method Detail

paintChunkList

public static float paintChunkList(Chunk chunks,
                                   java.awt.Graphics2D gfx,
                                   float x,
                                   float y,
                                   boolean glyphVector)

Paints a chunk list.

Parameters:

chunks - The chunk list

gfx - The graphics context

x - The x co-ordinate

y - The y co-ordinate

Returns:

The width of the painted text

Since:

jEdit 4.2pre1

paintChunkBackgrounds

public static float paintChunkBackgrounds(Chunk chunks,
                                          java.awt.Graphics2D gfx,
                                          float x,
                                          float y)

Paints the background highlights of a chunk list.

Parameters:

chunks - The chunk list

gfx - The graphics context

x - The x co-ordinate

y - The y co-ordinate

Returns:

The width of the painted backgrounds

Since:

jEdit 4.2pre1

offsetToX

public static float offsetToX(Chunk chunks,
                              int offset)

Converts an offset in a chunk list into an x co-ordinate.

Parameters:

chunks - The chunk list

offset - The offset

Since:

jEdit 4.1pre1

xToOffset

public static int xToOffset(Chunk chunks,
                            float x,
                            boolean round)

Converts an x co-ordinate in a chunk list into an offset.

Parameters:

chunks - The chunk list

x - The x co-ordinate

round - Round up to next letter if past the middle of a letter?

Returns:

The offset within the line, or -1 if the x co-ordinate is too far to the right

Since:

jEdit 4.1pre1

getPositions

public final float[] getPositions()

offsetToX

public final float offsetToX(int offset)

xToOffset

public final int xToOffset(float x,
                           boolean round)

init

public void init(javax.swing.text.Segment seg,
                 javax.swing.text.TabExpander expander,
                 float x,
                 java.awt.font.FontRenderContext fontRenderContext)