com.lowagie.text.pdf.parser

Class PdfContentStreamProcessor

public abstract class PdfContentStreamProcessor extends Object

Processor for a PDF content Stream.

Since: 2.1.4

Nested Class Summary
static class	PdfContentStreamProcessor.BeginText A content operator implementation (BT).
static class	PdfContentStreamProcessor.EndText A content operator implementation (ET).
static class	PdfContentStreamProcessor.ModifyCurrentTransformationMatrix A content operator implementation (cm).
static class	PdfContentStreamProcessor.MoveNextLineAndShowText A content operator implementation (').
static class	PdfContentStreamProcessor.MoveNextLineAndShowTextWithSpacing A content operator implementation (").
static class	PdfContentStreamProcessor.PopGraphicsState A content operator implementation (Q).
static class	PdfContentStreamProcessor.ProcessGraphicsStateResource A content operator implementation (gs).
static class	PdfContentStreamProcessor.PushGraphicsState A content operator implementation (q).
static class	PdfContentStreamProcessor.SetTextCharacterSpacing A content operator implementation (Tc).
static class	PdfContentStreamProcessor.SetTextFont A content operator implementation (Tf).
static class	PdfContentStreamProcessor.SetTextHorizontalScaling A content operator implementation (Tz).
static class	PdfContentStreamProcessor.SetTextLeading A content operator implementation (TL).
static class	PdfContentStreamProcessor.SetTextRenderMode A content operator implementation (Tr).
static class	PdfContentStreamProcessor.SetTextRise A content operator implementation (Ts).
static class	PdfContentStreamProcessor.SetTextWordSpacing A content operator implementation (Tw).
static class	PdfContentStreamProcessor.ShowText A content operator implementation (Tj).
static class	PdfContentStreamProcessor.ShowTextArray A content operator implementation (TJ).
static class	PdfContentStreamProcessor.TextMoveNextLine A content operator implementation (T*).
static class	PdfContentStreamProcessor.TextMoveStartNextLine A content operator implementation (Td).
static class	PdfContentStreamProcessor.TextMoveStartNextLineWithLeading A content operator implementation (TD).
static class	PdfContentStreamProcessor.TextSetTextMatrix A content operator implementation (Tm).

Field Summary
Stack	gsStack Stack keeping track of the graphics state.
Map	operators A map with all supported operators operators (PDF syntax).
PdfDictionary	resources Resources for the content stream.
Matrix	textLineMatrix Text line matrix.
Matrix	textMatrix Text matrix.

Constructor Summary
	PdfContentStreamProcessor() Creates a new PDF Content Stream Processor.

Method Summary
String	decode(PdfString in) Decodes a PdfString (which will contain glyph ids encoded in the font's encoding) based on the active font, and determine the unicode equivalent
void	displayPdfString(PdfString string, float tj) Displays text.
abstract void	displayText(String text, Matrix nextTextMatrix) Displays text.
Matrix	getCurrentTextLineMatrix() Returns the current line matrix.
Matrix	getCurrentTextMatrix() Returns the current text matrix.
float	getStringWidth(String string, float tj) Gets the width of a String.
GraphicsState	gs() Returns the current graphics state.
void	invokeOperator(PdfLiteral operator, ArrayList operands) Invokes an operator.
void	populateOperators() Loads all the supported graphics and text state operators in a map.
void	processContent(byte[] contentBytes, PdfDictionary resources) Processes PDF syntax
void	reset() Resets the graphics state stack, matrices and resources.