org.qenherkhopeshef.graphics.eps

Class EPSLowLevel

java.lang.Object

org.qenherkhopeshef.graphics.eps.EPSLowLevel

public class EPSLowLevel
extends java.lang.Object

A simple EPS output system, quite tailored to our limited requirements. Based on our SVG output library, as SVG and EPS share very similar logics and capabilities.

As always, this class is a very thin veneer on the EPS format itself. That is, it doesn't play fancy tricks. We did think about avoiding path duplications in some cases (for instance a fill and then a stroke are made), but

1. this belongs to an upper level (in fact, the Graphics2D related class is concerned too)
2. as we don't really use this feature, it would be of dubious utility.

Note for future programming: Including Truetype fonts in EPSF documents works fairly well. The font should be defined in the header as:

 %%DocumentNeededResources: font EgyptoSerif
 %%IncludeResource: font EgyptoSerif
 

Then, access to the glyphs is possible, either with the show command, or, for those glyphs which have no encoding, with the glyphshow command. Examples:

 
 /EgyptoSerif findfont
 40 scalefont
 setfont
 /infinity glyphshow : displays ∞
 /uniA722 glyphshow : displays the egyptological aleph
 /uniEC40 glyphshow : in EgyptoSerif, used for H + macron.
 

It would probably be safer to restrict this to glyphs in private areas, as uniA722 is likely to be dropped as name for the Aleph glyph !

Constructor Summary

Constructors

Constructor and Description
EPSLowLevel(java.io.Writer writer, java.awt.geom.Dimension2D dimensions)
EPSLowLevel(java.io.Writer writer, java.awt.geom.Dimension2D dimensions, java.lang.String comment)

Method Summary

Modifier and Type	Method and Description
void	close()
void	closePath()
void	cubicTo(double x1, double y1, double x2, double y2, double x, double y)
void	drawLine(double x, double y, double x2, double y2)
void	fillPath()
void	grestore()
void	gsave()
void	lineTo(double x, double y)
void	moveTo(double x, double y)
void	quadTo(double x1, double y1, double x, double y)
void	setColor(EPSColor color)
void	setColor(int red, int green, int blue) Sets the color to CMYK, using very basic conversion.
void	startPath()
void	strokePath()

Methods inherited from class java.lang.Object

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

Constructor Detail

EPSLowLevel

public EPSLowLevel(java.io.Writer writer,
                   java.awt.geom.Dimension2D dimensions)
            throws EPSOutException

Throws:

EPSOutException

EPSLowLevel

public EPSLowLevel(java.io.Writer writer,
                   java.awt.geom.Dimension2D dimensions,
                   java.lang.String comment)
            throws EPSOutException

Throws:

EPSOutException

Method Detail

drawLine

public void drawLine(double x,
                     double y,
                     double x2,
                     double y2)
              throws EPSOutException

Throws:

EPSOutException

startPath

public void startPath()
               throws EPSOutException

Throws:

EPSOutException

cubicTo

public void cubicTo(double x1,
                    double y1,
                    double x2,
                    double y2,
                    double x,
                    double y)
             throws EPSOutException

Throws:

EPSOutException

moveTo

public void moveTo(double x,
                   double y)
            throws EPSOutException

Throws:

EPSOutException

lineTo

public void lineTo(double x,
                   double y)
            throws EPSOutException

Throws:

EPSOutException

quadTo

public void quadTo(double x1,
                   double y1,
                   double x,
                   double y)
            throws EPSOutException

Throws:

EPSOutException

strokePath

public void strokePath()
                throws EPSOutException

Throws:

EPSOutException

fillPath

public void fillPath()
              throws EPSOutException

Throws:

EPSOutException

close

public void close()
           throws EPSOutException

Throws:

EPSOutException

closePath

public void closePath()
               throws EPSOutException

Throws:

EPSOutException

setColor

public void setColor(int red,
                     int green,
                     int blue)
              throws EPSOutException

Sets the color to CMYK, using very basic conversion. Really tailor-made for JSesh. Now, I could probably think about using CMYK as a reference on another level.

Parameters:

red -

green -

blue -

Throws:

EPSOutException

setColor

public void setColor(EPSColor color)
              throws EPSOutException

Throws:

EPSOutException

gsave

public void gsave()

grestore

public void grestore()