net.sf.jasperreports.engine.fill
Class TextMeasurer

java.lang.Object
  net.sf.jasperreports.engine.fill.TextMeasurer

All Implemented Interfaces:

JRTextMeasurer

Direct Known Subclasses:

JdkGlyphFixTextMeasurer

public class TextMeasurer
extends java.lang.Object
implements JRTextMeasurer

Default text measurer implementation.

Version:

$Id: TextMeasurer.java 4903 2012-01-13 14:22:46Z lucianc $

Author:

Teodor Danciu ([email protected])

Nested Class Summary

protected static class	TextMeasurer.FontInfo
protected static class	TextMeasurer.FontKey
protected static class	TextMeasurer.TextMeasuredState

Field Summary

protected int	leftPadding
protected int	maxHeight
protected TextMeasurer.TextMeasuredState	measuredState
protected TextMeasurer.TextMeasuredState	prevMeasuredState
static java.lang.String	PROPERTY_MEASURE_SIMPLE_TEXTS
protected int	rightPadding
protected JRCommonText	textElement
protected int	width

Constructor Summary

TextMeasurer(JRCommonText textElement)

Method Summary

protected void	appendTruncateSuffix(java.text.AttributedCharacterIterator allParagraphs)
java.awt.font.FontRenderContext	getFontRenderContext()
protected JRPropertiesHolder	getTextPropertiesHolder()
protected java.lang.String	getTruncateSuffix()
protected boolean	hasParagraphIndents()
protected void	initialize(JRStyledText styledText, int remainingTextStart, int availableStretchHeight, boolean canOverflow)
protected boolean	isLeftToRight(java.lang.String text)
protected boolean	isToTruncateAtChar()
JRMeasuredText	measure(JRStyledText styledText, int remainingTextStart, int availableStretchHeight, boolean canOverflow) Fit a text chunk in a given space.
protected boolean	measureSimpleText(JRStyledText styledText, int remainingTextStart)
protected void	processLastTruncatedRow(java.text.AttributedCharacterIterator allParagraphs, java.lang.String paragraphText, int paragraphOffset, boolean lineTruncated)
protected boolean	renderNextLine(java.awt.font.LineBreakMeasurer lineMeasurer, java.text.AttributedCharacterIterator paragraph, java.util.List<java.lang.Integer> tabIndexes, int[] currentTabHolder, TabStop[] nextTabStopHolder, boolean[] requireNextWordHolder)
protected boolean	renderParagraph(java.text.AttributedCharacterIterator allParagraphs, int lastParagraphStart, java.lang.String lastParagraphText)
protected void	setAttributes(java.text.AttributedString string, java.text.AttributedCharacterIterator attributes, int stringOffset)
protected void	setAttributes(java.text.AttributedString string, java.util.Map<java.text.AttributedCharacterIterator.Attribute,java.lang.Object> attributes, int startIndex, int endIndex)
protected void	truncateLastLineAtChar(java.text.AttributedCharacterIterator allParagraphs, java.lang.String paragraphText, int paragraphOffset)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PROPERTY_MEASURE_SIMPLE_TEXTS

public static final java.lang.String PROPERTY_MEASURE_SIMPLE_TEXTS

See Also:

Constant Field Values

textElement

protected JRCommonText textElement

width

protected int width

leftPadding

protected int leftPadding

rightPadding

protected int rightPadding

maxHeight

protected int maxHeight

measuredState

protected TextMeasurer.TextMeasuredState measuredState

prevMeasuredState

protected TextMeasurer.TextMeasuredState prevMeasuredState

Constructor Detail

TextMeasurer

public TextMeasurer(JRCommonText textElement)

Method Detail

initialize

protected void initialize(JRStyledText styledText,
                          int remainingTextStart,
                          int availableStretchHeight,
                          boolean canOverflow)

measure

public JRMeasuredText measure(JRStyledText styledText,
                              int remainingTextStart,
                              int availableStretchHeight,
                              boolean canOverflow)

Description copied from interface: JRTextMeasurer

Fit a text chunk in a given space.

Specified by:

measure in interface JRTextMeasurer

Parameters:

styledText - the full text

remainingTextStart - the start index of the remaining text

availableStretchHeight - the available stretch height

canOverflow - whether the text element is able to overflow

Returns:

text measuring information

measureSimpleText

protected boolean measureSimpleText(JRStyledText styledText,
                                    int remainingTextStart)

isLeftToRight

protected boolean isLeftToRight(java.lang.String text)

hasParagraphIndents

protected boolean hasParagraphIndents()

renderParagraph

protected boolean renderParagraph(java.text.AttributedCharacterIterator allParagraphs,
                                  int lastParagraphStart,
                                  java.lang.String lastParagraphText)

processLastTruncatedRow

protected void processLastTruncatedRow(java.text.AttributedCharacterIterator allParagraphs,
                                       java.lang.String paragraphText,
                                       int paragraphOffset,
                                       boolean lineTruncated)

truncateLastLineAtChar

protected void truncateLastLineAtChar(java.text.AttributedCharacterIterator allParagraphs,
                                      java.lang.String paragraphText,
                                      int paragraphOffset)

appendTruncateSuffix

protected void appendTruncateSuffix(java.text.AttributedCharacterIterator allParagraphs)

isToTruncateAtChar

protected boolean isToTruncateAtChar()

getTruncateSuffix

protected java.lang.String getTruncateSuffix()

renderNextLine

protected boolean renderNextLine(java.awt.font.LineBreakMeasurer lineMeasurer,
                                 java.text.AttributedCharacterIterator paragraph,
                                 java.util.List<java.lang.Integer> tabIndexes,
                                 int[] currentTabHolder,
                                 TabStop[] nextTabStopHolder,
                                 boolean[] requireNextWordHolder)

getTextPropertiesHolder

protected JRPropertiesHolder getTextPropertiesHolder()

setAttributes

protected void setAttributes(java.text.AttributedString string,
                             java.text.AttributedCharacterIterator attributes,
                             int stringOffset)

setAttributes

protected void setAttributes(java.text.AttributedString string,
                             java.util.Map<java.text.AttributedCharacterIterator.Attribute,java.lang.Object> attributes,
                             int startIndex,
                             int endIndex)

getFontRenderContext

public java.awt.font.FontRenderContext getFontRenderContext()