UnitProcessor (Apache Batik Javadoc)

java.lang.Object
- org.apache.batik.parser.UnitProcessor

Direct Known Subclasses:

UnitProcessor
```
public abstract class UnitProcessor
extends Object
```
This class provides methods to convert SVG length and coordinate to float in user units.

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`static interface`	`UnitProcessor.Context` Holds the informations needed to compute the units.
`static class`	`UnitProcessor.UnitResolver` A LengthHandler that convert units.

Field Summary

Fields
Modifier and Type	Field and Description
`static short`	`HORIZONTAL_LENGTH` This constant represents horizontal lengths.
`static short`	`OTHER_LENGTH` This constant represents other lengths.
`static short`	`VERTICAL_LENGTH` This constant represents vertical lengths.

Constructor Summary

Constructors
Modifier Constructor and Description

protected UnitProcessor()
No instance of this class is required.

Constructors
Modifier	Constructor and Description
`protected`	`UnitProcessor()` No instance of this class is required.

Method Summary

Methods
Modifier and Type	Method and Description
`protected static float`	`emsToPixels(float v, short d, UnitProcessor.Context ctx)` Converts ems units to user units.
`protected static float`	`exsToPixels(float v, short d, UnitProcessor.Context ctx)` Converts exs units to user units.
`protected static float`	`percentagesToPixels(float v, short d, UnitProcessor.Context ctx)` Converts percentages to user units.
`protected static float`	`pixelsToEms(float v, short d, UnitProcessor.Context ctx)` Converts user units to ems units.
`protected static float`	`pixelsToExs(float v, short d, UnitProcessor.Context ctx)` Converts user units to exs units.
`protected static float`	`pixelsToPercentages(float v, short d, UnitProcessor.Context ctx)` Converts user units to percentages relative to the viewport.
`static float`	`svgToObjectBoundingBox(float value, short type, short d, UnitProcessor.Context ctx)` Returns the specified value with the specified direction in objectBoundingBox units.
`static float`	`svgToObjectBoundingBox(String s, String attr, short d, UnitProcessor.Context ctx)` Returns the specified value with the specified direction in objectBoundingBox units.
`static float`	`svgToUserSpace(float v, short type, short d, UnitProcessor.Context ctx)` Converts the specified value of the specified type and direction to user units.
`static float`	`svgToUserSpace(String s, String attr, short d, UnitProcessor.Context ctx)` Returns the specified coordinate with the specified direction in user units.
`static float`	`userSpaceToSVG(float v, short type, short d, UnitProcessor.Context ctx)` Converts the specified value of the specified type and direction to SVG units.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - HORIZONTAL_LENGTH
```
public static final short HORIZONTAL_LENGTH
```
    This constant represents horizontal lengths.
    
    See Also:
    Constant Field Values
  - VERTICAL_LENGTH
```
public static final short VERTICAL_LENGTH
```
    This constant represents vertical lengths.
    
    See Also:
    Constant Field Values
  - OTHER_LENGTH
```
public static final short OTHER_LENGTH
```
    This constant represents other lengths.
    
    See Also:
    Constant Field Values
- Constructor Detail
  - UnitProcessor
```
protected UnitProcessor()
```
    No instance of this class is required.
- Method Detail
  - svgToObjectBoundingBox
```
public static float svgToObjectBoundingBox(String s,
                           String attr,
                           short d,
                           UnitProcessor.Context ctx)
                                    throws ParseException
```
    Returns the specified value with the specified direction in objectBoundingBox units.
    
    Parameters:
    s - the value
    attr - the attribute name that represents the value
    d - the direction of the value
    ctx - the context used to resolve relative value
    
    Throws:
    
    ParseException
  - svgToObjectBoundingBox
```
public static float svgToObjectBoundingBox(float value,
                           short type,
                           short d,
                           UnitProcessor.Context ctx)
```
    Returns the specified value with the specified direction in objectBoundingBox units.
    
    Parameters:
    value - the value
    type - the type of the value
    d - the direction of the value
    ctx - the context used to resolve relative value
  - svgToUserSpace
```
public static float svgToUserSpace(String s,
                   String attr,
                   short d,
                   UnitProcessor.Context ctx)
                            throws ParseException
```
    Returns the specified coordinate with the specified direction in user units.
    
    Parameters:
    s - the 'other' coordinate
    attr - the attribute name that represents the length
    d - the direction of the coordinate
    ctx - the context used to resolve relative value
    
    Throws:
    
    ParseException
  - svgToUserSpace
```
public static float svgToUserSpace(float v,
                   short type,
                   short d,
                   UnitProcessor.Context ctx)
```
    Converts the specified value of the specified type and direction to user units.
    
    Parameters:
    v - the value to convert
    type - the type of the value
    d - HORIZONTAL_LENGTH, VERTICAL_LENGTH, or OTHER_LENGTH
    ctx - the context used to resolve relative value
  - userSpaceToSVG
```
public static float userSpaceToSVG(float v,
                   short type,
                   short d,
                   UnitProcessor.Context ctx)
```
    Converts the specified value of the specified type and direction to SVG units.
    
    Parameters:
    v - the value to convert
    type - the type of the value
    d - HORIZONTAL_LENGTH, VERTICAL_LENGTH, or OTHER_LENGTH
    ctx - the context used to resolve relative value
  - percentagesToPixels
```
protected static float percentagesToPixels(float v,
                        short d,
                        UnitProcessor.Context ctx)
```
    Converts percentages to user units.
    
    Parameters:
    v - the percentage to convert
    d - HORIZONTAL_LENGTH, VERTICAL_LENGTH, or OTHER_LENGTH
    ctx - the context
  - pixelsToPercentages
```
protected static float pixelsToPercentages(float v,
                        short d,
                        UnitProcessor.Context ctx)
```
    Converts user units to percentages relative to the viewport.
    
    Parameters:
    v - the value to convert
    d - HORIZONTAL_LENGTH, VERTICAL_LENGTH, or OTHER_LENGTH
    ctx - the context
  - pixelsToEms
```
protected static float pixelsToEms(float v,
                short d,
                UnitProcessor.Context ctx)
```
    Converts user units to ems units.
    
    Parameters:
    v - the value to convert
    d - HORIZONTAL_LENGTH, VERTICAL_LENGTH, or OTHER_LENGTH
    ctx - the context
  - emsToPixels
```
protected static float emsToPixels(float v,
                short d,
                UnitProcessor.Context ctx)
```
    Converts ems units to user units.
    
    Parameters:
    v - the value to convert
    d - HORIZONTAL_LENGTH, VERTICAL_LENGTH, or OTHER_LENGTH
    ctx - the context
  - pixelsToExs
```
protected static float pixelsToExs(float v,
                short d,
                UnitProcessor.Context ctx)
```
    Converts user units to exs units.
    
    Parameters:
    v - the value to convert
    d - HORIZONTAL_LENGTH, VERTICAL_LENGTH, or OTHER_LENGTH
    ctx - the context
  - exsToPixels
```
protected static float exsToPixels(float v,
                short d,
                UnitProcessor.Context ctx)
```
    Converts exs units to user units.
    
    Parameters:
    v - the value to convert
    d - HORIZONTAL_LENGTH, VERTICAL_LENGTH, or OTHER_LENGTH
    ctx - the context

Class UnitProcessor

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

HORIZONTAL_LENGTH

VERTICAL_LENGTH

OTHER_LENGTH

Constructor Detail

UnitProcessor

Method Detail

svgToObjectBoundingBox

svgToObjectBoundingBox

svgToUserSpace

svgToUserSpace

userSpaceToSVG

percentagesToPixels

pixelsToPercentages

pixelsToEms

emsToPixels

pixelsToExs

exsToPixels