Package org.apache.pdfbox.debugger.pagepane

Class DebugTextOverlay.DebugTextStripper

java.lang.Object

org.apache.pdfbox.contentstream.PDFStreamEngine

org.apache.pdfbox.text.LegacyPDFStreamEngine

org.apache.pdfbox.text.PDFTextStripper

org.apache.pdfbox.debugger.pagepane.DebugTextOverlay.DebugTextStripper

Enclosing class:

DebugTextOverlay

private class DebugTextOverlay.DebugTextStripper
extends PDFTextStripper

Field Summary

Fields

Modifier and Type	Field	Description
private AffineTransform	flipAT
private final Graphics2D	graphics
private AffineTransform	transAT

Fields inherited from class org.apache.pdfbox.text.PDFTextStripper

charactersByArticle, document, LINE_SEPARATOR, output

Constructor Summary

Constructors

Constructor	Description
DebugTextStripper(Graphics2D graphics)

Method Summary

Modifier and Type	Method	Description
private Shape	calculateGlyphBounds(AffineTransform at, PDFont font, int code, Vector displacement)
protected void	showGlyph(Matrix textRenderingMatrix, PDFont font, int code, Vector displacement)	Called when a glyph is to be processed.
void	stripPage(PDDocument document, PDPage page, int pageIndex, float scale)
private void	transform(Graphics2D graphics, PDPage page, float scale)
protected void	writeString(String string, List<TextPosition> textPositions)	Write a Java string to the output stream.

Methods inherited from class org.apache.pdfbox.text.PDFTextStripper

beginMarkedContentSequence, endArticle, endDocument, endMarkedContentSequence, endPage, getAddMoreFormatting, getArticleEnd, getArticleStart, getAverageCharTolerance, getCharactersByArticle, getCurrentPageNo, getDropThreshold, getEndBookmark, getEndPage, getIgnoreContentStreamSpaceGlyphs, getIndentThreshold, getLineSeparator, getListItemPatterns, getOutput, getPageEnd, getPageStart, getParagraphEnd, getParagraphStart, getSeparateByBeads, getSortByPosition, getSpacingTolerance, getStartBookmark, getStartPage, getSuppressDuplicateOverlappingText, getText, getWordSeparator, matchPattern, processPage, processPages, processTextPosition, setAddMoreFormatting, setArticleEnd, setArticleStart, setAverageCharTolerance, setDropThreshold, setEndBookmark, setEndPage, setIgnoreContentStreamSpaceGlyphs, setIndentThreshold, setLineSeparator, setListItemPatterns, setPageEnd, setPageStart, setParagraphEnd, setParagraphStart, setShouldSeparateByBeads, setSortByPosition, setSpacingTolerance, setStartBookmark, setStartPage, setSuppressDuplicateOverlappingText, setWordSeparator, startArticle, startArticle, startDocument, startPage, writeCharacters, writeLineSeparator, writePage, writePageEnd, writePageStart, writeParagraphEnd, writeParagraphSeparator, writeParagraphStart, writeString, writeText, writeWordSeparator

Methods inherited from class org.apache.pdfbox.text.LegacyPDFStreamEngine

computeFontHeight

Methods inherited from class org.apache.pdfbox.contentstream.PDFStreamEngine

addOperator, applyTextAdjustment, beginText, decreaseLevel, endText, getAppearance, getCurrentPage, getGraphicsStackSize, getGraphicsState, getInitialMatrix, getLevel, getResources, getTextLineMatrix, getTextMatrix, increaseLevel, isShouldProcessColorOperators, markedContentPoint, operatorException, processAnnotation, processChildStream, processOperator, processOperator, processSoftMask, processTilingPattern, processTilingPattern, processTransparencyGroup, processType3Stream, restoreGraphicsStack, restoreGraphicsState, saveGraphicsStack, saveGraphicsState, setLineDashPattern, setTextLineMatrix, setTextMatrix, showAnnotation, showFontGlyph, showForm, showText, showTextString, showTextStrings, showTransparencyGroup, showType3Glyph, transformedPoint, transformWidth, unsupportedOperator

Methods inherited from class java.lang.Object

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

Field Details

graphics

private final Graphics2D graphics

flipAT

private AffineTransform flipAT

transAT

private AffineTransform transAT

Constructor Details

DebugTextStripper

DebugTextStripper(Graphics2D graphics)

Method Details

stripPage

public void stripPage(PDDocument document,
 PDPage page,
 int pageIndex,
 float scale)
               throws IOException

Throws:

IOException

transform

private void transform(Graphics2D graphics,
 PDPage page,
 float scale)

writeString

protected void writeString(String string,
 List<TextPosition> textPositions)
                    throws IOException

Description copied from class: PDFTextStripper

Write a Java string to the output stream. The default implementation will ignore the textPositions and just calls PDFTextStripper.writeString(String).

Overrides:

writeString in class PDFTextStripper

Parameters:

string - The text to write to the stream.

textPositions - The TextPositions belonging to the text.

Throws:

IOException - If there is an error when writing the text.

showGlyph

protected void showGlyph(Matrix textRenderingMatrix,
 PDFont font,
 int code,
 Vector displacement)
                  throws IOException

Description copied from class: LegacyPDFStreamEngine

Called when a glyph is to be processed. The heuristic calculations here were originally written by Ben Litchfield for PDFStreamEngine.

Overrides:

showGlyph in class LegacyPDFStreamEngine

Parameters:

textRenderingMatrix - the current text rendering matrix, T_rm

font - the current font

code - internal PDF character code for the glyph

displacement - the displacement (i.e. advance) of the glyph in text space

Throws:

IOException - if the glyph cannot be processed

calculateGlyphBounds

private Shape calculateGlyphBounds(AffineTransform at,
 PDFont font,
 int code,
 Vector displacement)
                            throws IOException

Throws:

IOException