Package net.sf.jasperreports.engine.util

Class JRImageLoader

java.lang.Object

net.sf.jasperreports.engine.util.JRImageLoader

public final class JRImageLoader
extends Object

Author:

Teodor Danciu (teodord@users.sourceforge.net)

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CHART_IMAGE_RESOURCE
static final String	COMPONENT_IMAGE_RESOURCE
static final String	CROSSTAB_IMAGE_RESOURCE
static final String	NO_IMAGE_RESOURCE
static final String	PIXEL_IMAGE_RESOURCE
static final String	PROPERTY_IMAGE_ENCODER	Configuration property specifying the name of the class implementing the JRImageEncoder interface to be used by the engine.
static final String	PROPERTY_IMAGE_READER	Configuration property specifying the name of the class implementing the JRImageReader interface to be used by the engine.
static final String	SUBREPORT_IMAGE_RESOURCE

Method Summary

Modifier and Type	Method	Description
static JRImageLoader	getInstance(JasperReportsContext jasperReportsContext)
Image	loadAwtImageFromBytes(byte[] bytes)
byte[]	loadBytesFromAwtImage(Image image, ImageTypeEnum imageType)	Encoding the image object using an image encoder that supports the supplied image type.

Methods inherited from class java.lang.Object

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

Field Details

PROPERTY_IMAGE_READER

public static final String PROPERTY_IMAGE_READER

Configuration property specifying the name of the class implementing the JRImageReader interface to be used by the engine. If not set, the engine will try to an image reader implementation that corresponds to the JVM version.

See Also:

• Constant Field Values

PROPERTY_IMAGE_ENCODER

public static final String PROPERTY_IMAGE_ENCODER

Configuration property specifying the name of the class implementing the JRImageEncoder interface to be used by the engine. If not set, the engine will try to an image encoder implementation that corresponds to the JVM version.

See Also:

• Constant Field Values

PIXEL_IMAGE_RESOURCE

public static final String PIXEL_IMAGE_RESOURCE

See Also:

• Constant Field Values

NO_IMAGE_RESOURCE

public static final String NO_IMAGE_RESOURCE

See Also:

• Constant Field Values

SUBREPORT_IMAGE_RESOURCE

public static final String SUBREPORT_IMAGE_RESOURCE

See Also:

• Constant Field Values

CHART_IMAGE_RESOURCE

public static final String CHART_IMAGE_RESOURCE

See Also:

• Constant Field Values

CROSSTAB_IMAGE_RESOURCE

public static final String CROSSTAB_IMAGE_RESOURCE

See Also:

• Constant Field Values

COMPONENT_IMAGE_RESOURCE

public static final String COMPONENT_IMAGE_RESOURCE

See Also:

• Constant Field Values

Method Details

getInstance

public static JRImageLoader getInstance(JasperReportsContext jasperReportsContext)

loadBytesFromAwtImage

public byte[] loadBytesFromAwtImage(Image image,
 ImageTypeEnum imageType)
                             throws JRException

Encoding the image object using an image encoder that supports the supplied image type.

Parameters:

image - the java.awt.Image object to encode

imageType - the type of the image as specified by one of the constants defined in the ImageTypeEnum

Returns:

the encoded image data

Throws:

JRException

loadAwtImageFromBytes

public Image loadAwtImageFromBytes(byte[] bytes)
                            throws JRException

Throws:

JRException