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## org.apache.fop.afp.ptoca
Class PtocaBuilder

    java.lang.Object
      org.apache.fop.afp.ptoca.PtocaBuilder

All Implemented Interfaces:
  PtocaConstants

public abstract class PtocaBuilder
extends java.lang.Object
implements PtocaConstants

Generator class for PTOCA data structures.

Field Summary

Fields inherited from interface org.apache.fop.afp.ptoca.PtocaConstants
`AMB, AMI, CHAIN_BIT, DBR, DIR, ESCAPE, NOP, RMI, SCFL, SEC, SIA, STO, SVI, TRANSPARENT_DATA_MAX_SIZE, TRN`

Constructor Summary
`PtocaBuilder()`

Method Summary
`void` | `absoluteMoveBaseline(int coordinate)` Establishes the baseline and the current presentation position at a new B-axis coordinate, which is a specified number of measurement units from the I-axis.
`void` | `absoluteMoveInline(int coordinate)` Establishes the current presentation position on the baseline at a new I-axis coordinate, which is a specified number of measurement units from the B-axis.
`void` | `addTransparentData(byte[] data)` The Transparent Data control sequence contains a sequence of code points that are presented without a scan for embedded control sequences.
`void` | `drawBaxisRule(int length, int width)` Draws a line of specified length and specified width in the B-direction from the current presentation position.
`void` | `drawIaxisRule(int length, int width)` Draws a line of specified length and specified width in the I-direction from the current presentation position.
`void` | `endChainedControlSequence()` A control sequence is a sequence of bytes that specifies a control function.
`protected abstract java.io.OutputStream` | `getOutputStreamForControlSequence(int length)` Returns an `OutputStream` for the next control sequence.
`void` | `relativeMoveInline(int increment)` Moves the inline coordinate of the presentation position relative to the current inline position.
`void` | `setCodedFont(byte font)` The Set Coded Font Local control sequence activates a coded font and specifies the character attributes to be used.
`void` | `setExtendedTextColor(java.awt.Color col)` The Set Extended Text Color control sequence specifies a color value and defines the color space and encoding for that value.
`void` | `setInterCharacterAdjustment(int incr)` Sets the intercharacter adjustment (additional increment or decrement between graphic characters).
`void` | `setTextOrientation(int orientation)` The Set Text Orientation control sequence establishes the I-direction and B-direction for the subsequent text.
`void` | `setVariableSpaceCharacterIncrement(int incr)` Sets the variable space character increment.
`void` | `writeIntroducer()` Writes the introducer for a chained control sequence.

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

Constructor Detail

### PtocaBuilder

    public PtocaBuilder()

Method Detail

### getOutputStreamForControlSequence

    protected abstract java.io.OutputStream getOutputStreamForControlSequence(int length)

  Returns an `OutputStream` for the next control sequence. This gives a subclass a chance to do chunking of control sequences into multiple presentation text data objects.

  Parameters:
    `length` - the length of the following control sequence
  Returns:
    the output stream where the control sequence will be written to

### writeIntroducer

    public void writeIntroducer()
                         throws java.io.IOException

  Writes the introducer for a chained control sequence.

  Throws:
    `java.io.IOException` - if an I/O error occurs

### setCodedFont

    public void setCodedFont(byte font)
                      throws java.io.IOException

  The Set Coded Font Local control sequence activates a coded font and specifies the character attributes to be used.

  This is a modal control sequence.

  Parameters:
    `font` - The font local identifier.
  Throws:
    `java.io.IOException` - if an I/O error occurs

### absoluteMoveInline

    public void absoluteMoveInline(int coordinate)
                            throws java.io.IOException

  Establishes the current presentation position on the baseline at a new I-axis coordinate, which is a specified number of measurement units from the B-axis. There is no change to the current B-axis coordinate.

  Parameters:
    `coordinate` - The coordinate for the inline move.
  Throws:
    `java.io.IOException` - if an I/O error occurs

### relativeMoveInline

    public void relativeMoveInline(int increment)
                            throws java.io.IOException

  Moves the inline coordinate of the presentation position relative to the current inline position.

  Parameters:
    `increment` - the increment in 1/1440 inch units
  Throws:
    `java.io.IOException` - if an I/O error occurs

### absoluteMoveBaseline

    public void absoluteMoveBaseline(int coordinate)
                              throws java.io.IOException

  Establishes the baseline and the current presentation position at a new B-axis coordinate, which is a specified number of measurement units from the I-axis. There is no change to the current I-axis coordinate.

  Parameters:
    `coordinate` - The coordinate for the baseline move.
  Throws:
    `java.io.IOException` - if an I/O error occurs

### addTransparentData

    public void addTransparentData(byte[] data)
                            throws java.io.IOException

  The Transparent Data control sequence contains a sequence of code points that are presented without a scan for embedded control sequences. If the data is larger than fits in one chunk, additional chunks are automatically generated.

  Parameters:
    `data` - The text data to add.
  Throws:
    `java.io.IOException` - if an I/O error occurs

### drawBaxisRule

    public void drawBaxisRule(int length,
                              int width)
                       throws java.io.IOException

  Draws a line of specified length and specified width in the B-direction from the current presentation position. The location of the current presentation position is unchanged.

  Parameters:
    `length` - The length of the rule.
    `width` - The width of the rule.
  Throws:
    `java.io.IOException` - if an I/O error occurs

### drawIaxisRule

    public void drawIaxisRule(int length,
                              int width)
                       throws java.io.IOException

  Draws a line of specified length and specified width in the I-direction from the current presentation position. The location of the current presentation position is unchanged.

  Parameters:
    `length` - The length of the rule.
    `width` - The width of the rule.
  Throws:
    `java.io.IOException` - if an I/O error occurs

### setTextOrientation

    public void setTextOrientation(int orientation)
                            throws java.io.IOException

  The Set Text Orientation control sequence establishes the I-direction and B-direction for the subsequent text. This is a modal control sequence. Semantics: This control sequence specifies the I-axis and B-axis orientations with respect to the Xp-axis for the current Presentation Text object. The orientations are rotational values expressed in degrees and minutes.

  Parameters:
    `orientation` - The text orientation (0, 90, 180, 270).
  Throws:
    `java.io.IOException` - if an I/O error occurs

### setExtendedTextColor

    public void setExtendedTextColor(java.awt.Color col)
                              throws java.io.IOException

  The Set Extended Text Color control sequence specifies a color value and defines the color space and encoding for that value. The specified color value is applied to foreground areas of the text presentation space.

  This is a modal control sequence.

  Parameters:
    `col` - The color to be set.
  Throws:
    `java.io.IOException` - if an I/O error occurs

### setVariableSpaceCharacterIncrement

    public void setVariableSpaceCharacterIncrement(int incr)
                                            throws java.io.IOException

  Sets the variable space character increment.

  This is a modal control sequence.

  Parameters:
    `incr` - The increment to be set (positive integer, 1/1440 inch)
  Throws:
    `java.io.IOException` - if an I/O error occurs

### setInterCharacterAdjustment

    public void setInterCharacterAdjustment(int incr)
                                     throws java.io.IOException

  Sets the intercharacter adjustment (additional increment or decrement between graphic characters).

  This is a modal control sequence.

  Parameters:
    `incr` - The increment to be set (1/1440 inch)
  Throws:
    `java.io.IOException` - if an I/O error occurs

### endChainedControlSequence

    public void endChainedControlSequence()
                                   throws java.io.IOException

  A control sequence is a sequence of bytes that specifies a control function. A control sequence consists of a control sequence introducer and zero or more parameters. The control sequence can extend multiple presentation text data objects, but must eventually be terminated. This method terminates the control sequence (by using a NOP command).

  Throws:
    `java.io.IOException` - if an I/O error occurs

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