net.sf.jasperreports.engine.util
Class JRImageLoader

java.lang.Object
  extended by net.sf.jasperreports.engine.util.JRImageLoader

public final class JRImageLoader
extends java.lang.Object

Version:
$Id: JRImageLoader.java 4595 2011-09-08 15:55:10Z teodord $
Author:
Teodor Danciu (teodord@users.sourceforge.net)

Field Summary
static java.lang.String CHART_IMAGE_RESOURCE
           
static java.lang.String COMPONENT_IMAGE_RESOURCE
           
static java.lang.String CROSSTAB_IMAGE_RESOURCE
           
static java.lang.String NO_IMAGE_RESOURCE
           
static java.lang.String PROPERTY_IMAGE_ENCODER
          Configuration property specifying the name of the class implementing the JRImageEncoder interface to be used by the engine.
static java.lang.String PROPERTY_IMAGE_READER
          Configuration property specifying the name of the class implementing the JRImageReader interface to be used by the engine.
static java.lang.String SUBREPORT_IMAGE_RESOURCE
           
 
Method Summary
static java.awt.Image loadImage(byte[] bytes)
           
protected static java.awt.Image loadImage(java.lang.String image)
          Deprecated. To be removed in future releases.
static byte[] loadImageDataFromAWTImage(java.awt.Image image, byte 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 Detail

PROPERTY_IMAGE_READER

public static final java.lang.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 java.lang.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

NO_IMAGE_RESOURCE

public static final java.lang.String NO_IMAGE_RESOURCE
See Also:
Constant Field Values

SUBREPORT_IMAGE_RESOURCE

public static final java.lang.String SUBREPORT_IMAGE_RESOURCE
See Also:
Constant Field Values

CHART_IMAGE_RESOURCE

public static final java.lang.String CHART_IMAGE_RESOURCE
See Also:
Constant Field Values

CROSSTAB_IMAGE_RESOURCE

public static final java.lang.String CROSSTAB_IMAGE_RESOURCE
See Also:
Constant Field Values

COMPONENT_IMAGE_RESOURCE

public static final java.lang.String COMPONENT_IMAGE_RESOURCE
See Also:
Constant Field Values
Method Detail

loadImageDataFromAWTImage

public static byte[] loadImageDataFromAWTImage(java.awt.Image image,
                                               byte 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 JRRenderable interface
Returns:
the encoded image data
Throws:
JRException

loadImage

public static java.awt.Image loadImage(byte[] bytes)
                                throws JRException
Throws:
JRException

loadImage

protected static java.awt.Image loadImage(java.lang.String image)
                                   throws JRException
Deprecated. To be removed in future releases.

Loads an image from an specified resource.

Parameters:
image - the resource name
Throws:
JRException


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