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Class com.sun.java.swing.text.Utilities

java.lang.Object
   |
   +----com.sun.java.swing.text.Utilities

public class Utilities
extends Object

A collection of methods to deal with various text related activities.


Constructor Index

Utilities()

Method Index

drawTabbedText(Segment, int, int, Graphics, TabExpander, int)
Draws the given text, expanding any tabs that are contained using the given tab expansion technique.
getTabbedTextOffset(Segment, FontMetrics, int, int, TabExpander, int)
Determines the relative offset into the given text that best represents the given span in the view coordinate system.
getTabbedTextWidth(Segment, FontMetrics, int, TabExpander, int)
Determines the width of the given segment of text taking tabs into consideration.

Constructors

Utilities
 public Utilities()

Methods

drawTabbedText
 public static final int drawTabbedText(Segment s,
                                        int x,
                                        int y,
                                        Graphics g,
                                        TabExpander e,
                                        int startOffset)
Draws the given text, expanding any tabs that are contained using the given tab expansion technique. This particular implementation renders in a 1.1 style coordinate system where ints are used and 72dpi is assumed.

Parameters:
s - the source of the text
x - the X origin
y - the Y origin
g - the graphics context
e - how to expand the tabs
startOffset - starting offset in the document of the text
Returns:
s the location at the end of the rendered text
getTabbedTextWidth
 public static final int getTabbedTextWidth(Segment s,
                                            FontMetrics metrics,
                                            int x,
                                            TabExpander e,
                                            int startOffset)
Determines the width of the given segment of text taking tabs into consideration. This is implemented in a 1.1 style coordinate system where ints are used and 72dpi is assumed.

Parameters:
s - the source of the text
metrics - the font metrics to use for the calculation
x - the X origin
e - how to expand the tabs
startOffset - starting offset in the document of the text
Returns:
s the width of the text
getTabbedTextOffset
 public static final int getTabbedTextOffset(Segment s,
                                             FontMetrics metrics,
                                             int x0,
                                             int x,
                                             TabExpander e,
                                             int startOffset)
Determines the relative offset into the given text that best represents the given span in the view coordinate system. This is implemented in a 1.1 style coordinate system where ints are used and 72dpi is assumed.

Parameters:
s - the source of the text
metrics - the font metrics to use for the calculation
x0 - the starting view location representing the start of the given text.
x - the target view location to translate to an offset into the text.
e - how to expand the tabs
startOffset - starting offset in the document of the text
Returns:
s the offset into the text

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