org.apache.poi.sl.draw

Class BitmapImageRenderer

java.lang.Object

org.apache.poi.sl.draw.BitmapImageRenderer

All Implemented Interfaces:

ImageRenderer

public class BitmapImageRenderer
extends Object
implements ImageRenderer

For now this class renders only images supported by the javax.imageio.ImageIO framework.

Field Summary

Fields

Modifier and Type	Field and Description
protected BufferedImage	img

Constructor Summary

Constructors

Constructor and Description
BitmapImageRenderer()

Method Summary

Modifier and Type	Method and Description
boolean	drawImage(Graphics2D graphics, Rectangle2D anchor) Render picture data into the supplied graphics
boolean	drawImage(Graphics2D graphics, Rectangle2D anchor, Insets clip) Render picture data into the supplied graphics
Dimension	getDimension()
BufferedImage	getImage()
BufferedImage	getImage(Dimension dim)
void	loadImage(byte[] data, String contentType) Load and buffer the image
void	loadImage(InputStream data, String contentType) Load and buffer the image
void	setAlpha(double alpha)

Methods inherited from class java.lang.Object

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

Field Detail

img

protected BufferedImage img

Constructor Detail

BitmapImageRenderer

public BitmapImageRenderer()

Method Detail

loadImage

public void loadImage(InputStream data,
                      String contentType)
               throws IOException

Description copied from interface: ImageRenderer

Load and buffer the image

Specified by:

loadImage in interface ImageRenderer

Parameters:

data - the raw image stream

contentType - the content type

Throws:

IOException

loadImage

public void loadImage(byte[] data,
                      String contentType)
               throws IOException

Description copied from interface: ImageRenderer

Load and buffer the image

Specified by:

loadImage in interface ImageRenderer

Parameters:

data - the raw image bytes

contentType - the content type

Throws:

IOException

getImage

public BufferedImage getImage()

Specified by:

getImage in interface ImageRenderer

Returns:

the image as buffered image

getImage

public BufferedImage getImage(Dimension dim)

Specified by:

getImage in interface ImageRenderer

Parameters:

dim - the dimension in pixels of the returned image

Returns:

the image as buffered image

getDimension

public Dimension getDimension()

Specified by:

getDimension in interface ImageRenderer

Returns:

the dimension of the buffered image

setAlpha

public void setAlpha(double alpha)

Specified by:

setAlpha in interface ImageRenderer

Parameters:

alpha - the alpha [0..1] to be added to the image (possibly already containing an alpha channel)

drawImage

public boolean drawImage(Graphics2D graphics,
                         Rectangle2D anchor)

Description copied from interface: ImageRenderer

Render picture data into the supplied graphics

Specified by:

drawImage in interface ImageRenderer

Returns:

true if the picture data was successfully rendered

drawImage

public boolean drawImage(Graphics2D graphics,
                         Rectangle2D anchor,
                         Insets clip)

Description copied from interface: ImageRenderer

Render picture data into the supplied graphics

Specified by:

drawImage in interface ImageRenderer

Returns:

true if the picture data was successfully rendered