org.jpedal.render

Class RenderUtils

java.lang.Object

org.jpedal.render.RenderUtils

public class RenderUtils
extends Object

static helper methods for rendering

Constructor Summary

Constructors

Constructor and Description
RenderUtils()

Method Summary

Modifier and Type	Method and Description
static BufferedImage	invertImage(BufferedImage image)
static boolean	isInverted(float[][] CTM)
static boolean	rectangleContains(int[] area, int x, int y) Rectangle contains code does not handle negative values Use this instead.
static void	renderClip(Area clip, Rectangle dirtyRegion, Shape defaultClip, Graphics2D g2) update clip
static Object	restoreFromStream(ByteArrayInputStream bis) generic method to return a serilized object from an InputStream
static void	writeToStream(ByteArrayOutputStream bos, Object obj) generic method to serilized an object to an OutputStream

Methods inherited from class java.lang.Object

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

Constructor Detail

RenderUtils

public RenderUtils()

Method Detail

isInverted

public static boolean isInverted(float[][] CTM)

invertImage

public static BufferedImage invertImage(BufferedImage image)

renderClip

public static void renderClip(Area clip,
                              Rectangle dirtyRegion,
                              Shape defaultClip,
                              Graphics2D g2)

update clip

Parameters:

defaultClip -

rectangleContains

public static boolean rectangleContains(int[] area,
                                        int x,
                                        int y)

Rectangle contains code does not handle negative values Use this instead.

Parameters:

area - : Rectangle to look in

x - : value on the x axis

y - : value on the y axis

Returns:

true is point is within area

restoreFromStream

public static Object restoreFromStream(ByteArrayInputStream bis)
                                throws IOException,
                                       ClassNotFoundException

generic method to return a serilized object from an InputStream

NOT PART OF API and subject to change (DO NOT USE)

Parameters:

bis - - ByteArrayInputStream containing serilized object

Returns:

- deserilized object

Throws:

IOException

ClassNotFoundException

writeToStream

public static void writeToStream(ByteArrayOutputStream bos,
                                 Object obj)
                          throws IOException

generic method to serilized an object to an OutputStream

NOT PART OF API and subject to change (DO NOT USE)

Parameters:

bos - - ByteArrayOutputStream to serilize to

obj - - object to serilize

Throws:

IOException