com.borland.primetime.editor
Class EditorView.DrawTextSegment

java.lang.Object
  |
  +--com.borland.primetime.editor.EditorView.DrawTextSegment

Enclosing class:

EditorView

protected class EditorView.DrawTextSegment

extends java.lang.Object

A protected class to help drawing a line of text. It will coalesce equivalent drawing into one call to draw the text. flush() must be after all segments have been added.

Field Summary

java.awt.Color	bgColor
EditorDocument	doc
java.awt.Font	font
java.awt.Graphics	g
EditorPane	host
int	p0
int	p1
BasicStyleMap	styleMap
java.awt.Color	textColor
EditorView	view
boolean	whiteSpace
int	x
int	y

Constructor Summary

EditorView.DrawTextSegment(java.awt.Graphics g, int x, int y, EditorPane host, EditorDocument doc, BasicStyleMap styleMap, EditorView view)
Create a DrawTextSegment to draw on the given canvas and the given location.

Method Summary

void	addSegment(java.awt.Color textColor, java.awt.Color bgColor, java.awt.Font font, int p0, int p1, boolean whiteSpace) Add a segment of text to draw.
protected int	flush() Draw all pending segments

Methods inherited from class java.lang.Object

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

Field Detail

g

public java.awt.Graphics g

x

public int x

y

public int y

host

public EditorPane host

doc

public EditorDocument doc

styleMap

public BasicStyleMap styleMap

view

public EditorView view

textColor

public java.awt.Color textColor

bgColor

public java.awt.Color bgColor

font

public java.awt.Font font

p0

public int p0

p1

public int p1

whiteSpace

public boolean whiteSpace

Constructor Detail

EditorView.DrawTextSegment

public EditorView.DrawTextSegment(java.awt.Graphics g,
                                  int x,
                                  int y,
                                  EditorPane host,
                                  EditorDocument doc,
                                  BasicStyleMap styleMap,
                                  EditorView view)

Create a DrawTextSegment to draw on the given canvas and the given location.

Parameters:

g - the graphic to draw upon.

x - the x location to start drawing the segments

y - the y location to draw the segments

Method Detail

addSegment

public void addSegment(java.awt.Color textColor,
                       java.awt.Color bgColor,
                       java.awt.Font font,
                       int p0,
                       int p1,
                       boolean whiteSpace)
                throws javax.swing.text.BadLocationException

Add a segment of text to draw. If the segment is different than previous calls it will flush the segments previously added

Parameters:

textColor - the color to draw the text (must not be null).

bgColor - the color to draw the background (must not be null).

font - the font to draw the text in ((must not be null).

p0 - buffer position to start drawing from.

p1 - buffer position to stop drawing

whiteSpace - true if the buffer represents white space

flush

protected int flush()
             throws javax.swing.text.BadLocationException

Draw all pending segments

Returns:

the x location after all the segments have been drawn