ITextMetrics (BIRT Chart Engine API)

All Known Implementing Classes:

TextAdapter
```
public interface ITextMetrics
```
Provides a layer of abstraction for text metrics retrieval via display server dependent implementations.

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`dispose()` Perform a cleanup when this object is not required anymore
`double`	`getDescent()` Returns the descent of a single line of text using the font defined in the contained label
`double`	`getFullHeight()` Returns the full height of all lines of text using the font defined in the contained label
`double`	`getFullHeight(double fontHeight)`
`double`	`getFullWidth()` Returns the max width of the widest line of text using the font defined in the contained label
`double`	`getHeight()` Returns the height of a single line of text using the font defined in the contained label
`java.lang.String`	`getLine(int iIndex)` The text associated with a line index for multi-line text
`int`	`getLineCount()` Returns the number of lines of text associated with the label to be rendered
`java.util.Locale`	`getLocale()` Deprecated. use `getULocale()` instead.
`ULocale`	`getULocale()` Returns the locale associated with the text metrics implementer
`double`	`getWidth(int iIndex)` The text's width of associated with a line index.
`void`	`reuse(Label la)` Permits reuse of the text metrics instance for a new label with new attributes.
`void`	`reuse(Label la, double forceWrappingSize)` Permits reuse of the text metrics instance for a new label with new attributes and a forcing wrapping size.

- Method Detail
  - reuse
```
void reuse(Label la)
```
    Permits reuse of the text metrics instance for a new label with new attributes.
  - reuse
```
void reuse(Label la,
         double forceWrappingSize)
```
    Permits reuse of the text metrics instance for a new label with new attributes and a forcing wrapping size.
    
    Since:
    
    2.1
  - getHeight
```
double getHeight()
```
    Returns the height of a single line of text using the font defined in the contained label
    
    Returns:
    The height of a single line of text using the font defined in the contained label
  - getDescent
```
double getDescent()
```
    Returns the descent of a single line of text using the font defined in the contained label
    
    Returns:
    The descent of a single line of text using the font defined in the contained label
  - getFullHeight
```
double getFullHeight()
```
    Returns the full height of all lines of text using the font defined in the contained label
    
    Returns:
    The full height of all lines of text using the font defined in the contained label
  - getFullHeight
```
double getFullHeight(double fontHeight)
```
  - getFullWidth
```
double getFullWidth()
```
    Returns the max width of the widest line of text using the font defined in the contained label
    
    Returns:
    The max width of the widest line of text using the font defined in the contained label
  - getLineCount
```
int getLineCount()
```
    Returns the number of lines of text associated with the label to be rendered
    
    Returns:
    The number of lines of text associated with the label to be rendered
  - getLine
```
java.lang.String getLine(int iIndex)
```
    The text associated with a line index for multi-line text
    
    Parameters:
    iIndex - The line to be retrieved from multi-line text
    
    Returns:
    A line of text (subset)
  - getWidth
```
double getWidth(int iIndex)
```
    The text's width of associated with a line index.
    
    Parameters:
    iIndex -
    
    Returns:
  - dispose
```
void dispose()
```
    Perform a cleanup when this object is not required anymore
  - getLocale
```
java.util.Locale getLocale()
```
    Deprecated. use getULocale() instead.
    
    Returns the locale associated with the text metrics implementer
    
    Returns:
    The locale
  - getULocale
```
ULocale getULocale()
```
    Returns the locale associated with the text metrics implementer
    
    Returns:
    The locale
    Since:
    
    2.1

Interface ITextMetrics

Method Summary

Method Detail

reuse

reuse

getHeight

getDescent

getFullHeight

getFullHeight

getFullWidth

getLineCount

getLine

getWidth

dispose

getLocale

getULocale