org.krysalis.barcode4j.output.eps
Class EPSCanvasProvider

java.lang.Object
  org.krysalis.barcode4j.output.AbstractCanvasProvider
      org.krysalis.barcode4j.output.eps.EPSCanvasProvider

All Implemented Interfaces:

CanvasProvider

public class EPSCanvasProvider
extends AbstractCanvasProvider

CanvasProvider implementation for EPS output (Encapsulated PostScript).

Version:

$Id: EPSCanvasProvider.java,v 1.7 2009/03/12 15:04:55 jmaerki Exp $

Author:

Jeremias Maerki

Field Summary

Fields inherited from class org.krysalis.barcode4j.output.AbstractCanvasProvider

bardim

Constructor Summary

EPSCanvasProvider(java.io.OutputStream out, int orientation)
Main constructor.

Method Summary

void	deviceFillRect(double x, double y, double w, double h) Paints a filled rectangle.
void	deviceText(java.lang.String text, double x1, double x2, double y1, java.lang.String fontName, double fontSize, TextAlignment textAlign) Draws text.
void	establishDimensions(BarcodeDimension dim) Sets the dimensions of the barcode.
void	finish() Writes the EPS trailer.
protected java.text.DecimalFormat	getDecimalFormat() Returns the DecimalFormat instance to use internally to format numbers.

Methods inherited from class org.krysalis.barcode4j.output.AbstractCanvasProvider

deviceCenteredText, deviceJustifiedText, getDimensions, getOrientation

Methods inherited from class java.lang.Object

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

Constructor Detail

EPSCanvasProvider

public EPSCanvasProvider(java.io.OutputStream out,
                         int orientation)
                  throws java.io.IOException

Main constructor.

Parameters:

out - OutputStream to write the EPS to

orientation - the barcode orientation (0, 90, 180, 270)

Throws:

java.io.IOException - in case of an I/O problem

Method Detail

getDecimalFormat

protected java.text.DecimalFormat getDecimalFormat()

Returns the DecimalFormat instance to use internally to format numbers.

Returns:

a DecimalFormat instance

finish

public void finish()
            throws java.io.IOException

Writes the EPS trailer. Must be called after barcode painting call returns.

Throws:

java.io.IOException - if an I/O error happened during EPS generation

establishDimensions

public void establishDimensions(BarcodeDimension dim)

Sets the dimensions of the barcode.

Specified by:

establishDimensions in interface CanvasProvider

Overrides:

establishDimensions in class AbstractCanvasProvider

Parameters:

dim - the dimensions of the barcode

deviceFillRect

public void deviceFillRect(double x,
                           double y,
                           double w,
                           double h)

Paints a filled rectangle.

Parameters:

x - x coordinate of the upper left corner

y - y coordinate of the upper left corner

w - the width

h - the height

deviceText

public void deviceText(java.lang.String text,
                       double x1,
                       double x2,
                       double y1,
                       java.lang.String fontName,
                       double fontSize,
                       TextAlignment textAlign)

Draws text.

Parameters:

text - the text to draw

x1 - the left boundary

x2 - the right boundary

y1 - the y coordinate

fontName - the name of the font

fontSize - the size of the font

textAlign - the text alignment