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## org.apache.fop.fo.properties
Class CorrespondingPropertyMaker

    java.lang.Object
      org.apache.fop.fo.properties.CorrespondingPropertyMaker

Direct Known Subclasses:
  DimensionPropertyMaker, IndentPropertyMaker, SpacePropertyMaker

    public class CorrespondingPropertyMaker

extends java.lang.Object

Maker class for handling corresponding properties.

Field Summary
`protected PropertyMaker` | `baseMaker` base property maker
`protected int` | `lrtb` corresponding property for lr-tb writing mode
`protected int` | `rltb` corresponding property for rl-tb writing mode
`protected int` | `tblr` corresponding property for tb-lr writing mode
`protected int` | `tbrl` corresponding property for tb-rl writing mode
`protected boolean` | `useParent` user parent property list

Constructor Summary
`CorrespondingPropertyMaker(PropertyMaker baseMaker)` Construct a corresponding property maker.

Method Summary
`Property` | `compute(PropertyList propertyList)` Return a Property object representing the value of this property, based on other property values for this FO.
`protected PropertyList` | `getWMPropertyList(PropertyList pList)` Return the property list to use for fetching writing mode depending property ids.
`boolean` | `isCorrespondingForced(PropertyList propertyList)` For properties that operate on a relative direction (before, after, start, end) instead of an absolute direction (top, bottom, left, right), this method determines whether a corresponding property is specified on the corresponding absolute direction.
`void` | `setCorresponding(int lrtb, int rltb, int tbrl, int tblr)` Set corresponding property identifiers.
`void` | `setRelative(boolean relative)` Set relative flag.
`void` | `setUseParent(boolean useParent)` Controls whether the PropertyMaker accesses the parent property list or the current property list for determining the writing mode.

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

Field Detail

### baseMaker

    protected PropertyMaker baseMaker

  base property maker

### lrtb

    protected int lrtb

  corresponding property for lr-tb writing mode

### rltb

    protected int rltb

  corresponding property for rl-tb writing mode

### tbrl

    protected int tbrl

  corresponding property for tb-rl writing mode

### tblr

    protected int tblr

  corresponding property for tb-lr writing mode

### useParent

    protected boolean useParent

  user parent property list

Constructor Detail

### CorrespondingPropertyMaker

    public CorrespondingPropertyMaker(PropertyMaker baseMaker)

  Construct a corresponding property maker.

  Parameters:
    `baseMaker` - the base property maker

Method Detail

### setCorresponding

    public void setCorresponding(int lrtb,
                                 int rltb,
                                 int tbrl,
                                 int tblr)

  Set corresponding property identifiers.

  Parameters:
    `lrtb` - the property that corresponds with lr-tb writing mode
    `rltb` - the property that corresponds with rl-tb writing mode
    `tbrl` - the property that corresponds with tb-lr writing mode
    `tblr` - the property that corresponds with tb-lr writing mode

### setUseParent

    public void setUseParent(boolean useParent)

  Controls whether the PropertyMaker accesses the parent property list or the current property list for determining the writing mode.

  Parameters:
    `useParent` - true if the parent property list should be used.

### setRelative

    public void setRelative(boolean relative)

  Set relative flag.

  Parameters:
    `relative` - true if properties operate on a relative direction

### isCorrespondingForced

    public boolean isCorrespondingForced(PropertyList propertyList)

  For properties that operate on a relative direction (before, after, start, end) instead of an absolute direction (top, bottom, left, right), this method determines whether a corresponding property is specified on the corresponding absolute direction. For example, the border-start-color property in a lr-tb writing-mode specifies the same thing that the border-left-color property specifies. In this example, if the Maker for the border-start-color property is testing, and if the border-left-color is specified in the properties, this method should return true.

  Parameters:
    `propertyList` - collection of properties to be tested
  Returns:
    true iff 1) the property operates on a relative direction, AND 2) the property has a corresponding property on an absolute direction, AND 3) the corresponding property on that absolute direction has been specified in the input properties

### compute

    public Property compute(PropertyList propertyList)
                     throws PropertyException

  Return a Property object representing the value of this property, based on other property values for this FO. A special case is properties which inherit the specified value, rather than the computed value.

  Parameters:
    `propertyList` - The PropertyList for the FO.
  Returns:
    Property A computed Property value or null if no rules are specified (in foproperties.xml) to compute the value.
  Throws:
    `PropertyException` - if a property exception occurs

### getWMPropertyList

    protected PropertyList getWMPropertyList(PropertyList pList)

  Return the property list to use for fetching writing mode depending property ids.

  Parameters:
    `pList` - a property list
  Returns:
    the property list to use

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