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java.lang.Objectorg.apache.fop.render.afp.modca.AbstractAFPObject
org.apache.fop.render.afp.modca.PresentationTextData
public class PresentationTextData
Presentation text data contains the graphic characters and the control sequences necessary to position the characters within the object space. The data consists of: - graphic characters to be presented - control sequences that position them - modal control sequences that adjust the positions by small amounts - other functions causing text to be presented with differences in appearance. The graphic characters are expected to conform to a coded font representation so that they can be translated from the code point in the object data to the character in the coded font. The units of measure for linear displacements are derived from the PresentationTextDescriptor or from the hierarchical defaults. In addition to graphic character code points, Presentation Text data can contain embedded control sequences. These are strings of two or more bytes which signal an alternate mode of processing for the content of the current Presentation Text data.
Field Summary |
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Fields inherited from class org.apache.fop.render.afp.modca.AbstractAFPObject |
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log |
Constructor Summary | |
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PresentationTextData()
Default constructor for the PresentationTextData. |
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PresentationTextData(boolean controlInd)
Constructor for the PresentationTextData, the boolean flag indicate whether the control sequence prefix should be set to indicate the start of a new control sequence. |
Method Summary | |
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void |
createLineData(int x1,
int y1,
int x2,
int y2,
int thickness,
int orientation,
java.awt.Color col)
Drawing of lines using the starting and ending coordinates, thickness and colour arguments. |
void |
createTextData(int fontNumber,
int x,
int y,
int orientation,
java.awt.Color col,
int vsci,
int ica,
byte[] data)
Create the presentation text data for the byte array of data. |
void |
endControlSequence()
A control sequence is a sequence of bytes that specifies a control function. |
void |
writeDataStream(java.io.OutputStream os)
Accessor method to write the AFP datastream for the text data. |
Methods inherited from class org.apache.fop.render.afp.modca.AbstractAFPObject |
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writeObjectList |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public PresentationTextData()
public PresentationTextData(boolean controlInd)
controlInd
- The control sequence indicator.Method Detail |
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public void createTextData(int fontNumber, int x, int y, int orientation, java.awt.Color col, int vsci, int ica, byte[] data) throws MaximumSizeExceededException
fontNumber
- The font resource identifier.x
- The x coordinate for the text data.y
- The y coordinate for the text data.orientation
- The orientation of the text data.col
- The text color.vsci
- The variable space character increment.ica
- The inter character adjustment.data
- The text data to be created.
MaximumSizeExceededException
public void createLineData(int x1, int y1, int x2, int y2, int thickness, int orientation, java.awt.Color col) throws MaximumSizeExceededException
x1
- The starting X coordinate.y1
- The starting Y coordinate.x2
- The ending X coordinate.y2
- The ending Y coordinate.thickness
- The line thickness.orientation
- The orientation of the text data.col
- The text color.
MaximumSizeExceededException
public void writeDataStream(java.io.OutputStream os) throws java.io.IOException
writeDataStream
in class AbstractAFPObject
os
- The stream to write to
java.io.IOException
public void endControlSequence() throws MaximumSizeExceededException
MaximumSizeExceededException
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