netcharts.pro.common.image.raster
Class NFRasterImageOutput

java.lang.Object
  netcharts.pro.common.image.NFImageOutput
      netcharts.pro.common.image.raster.NFRasterImageOutput

All Implemented Interfaces:

NFImageExtension

Direct Known Subclasses:

NFIndexedRasterImageOutput, NFJPEGImageOutput, NFPNGImageOutput, NFTIFFImageOutput, NFWBMPImageOutput

public class NFRasterImageOutput
extends NFImageOutput

Base implementation for raster based image output.

Constructor Summary

NFRasterImageOutput(java.lang.String mimeType)
Constructs a NFRasterImageOutput instance specifying the MIME type.

Method Summary

NFImageParams	getImageParamsInstance() Returns a default NFImageParams instance specific to this image generation extension.
NFServerGeneratedImage	getServerGeneratedImage(NFGraph graph, NFImageParams properties) Generates an image of the given chart using the specified image generation parameters.

Methods inherited from class netcharts.pro.common.image.NFImageOutput

getMimeType

Methods inherited from class java.lang.Object

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

Constructor Detail

NFRasterImageOutput

public NFRasterImageOutput(java.lang.String mimeType)

Constructs a NFRasterImageOutput instance specifying the MIME type.

Parameters:

mimeType - The MIME type of the output.

Method Detail

getServerGeneratedImage

public NFServerGeneratedImage getServerGeneratedImage(NFGraph graph,
                                                      NFImageParams properties)
                                               throws java.lang.Exception

Description copied from class: NFImageOutput

Generates an image of the given chart using the specified image generation parameters.

Specified by:

getServerGeneratedImage in interface NFImageExtension

Overrides:

getServerGeneratedImage in class NFImageOutput

Parameters:

graph - The chart instance to render to an image.

properties - The parameters of the image generation.

Returns:

NFServerGeneratedImage instance containing the image and related metadata.

Throws:

java.lang.Exception - If there was an exception generating the image

getImageParamsInstance

public NFImageParams getImageParamsInstance()

Description copied from interface: NFImageExtension

Returns a default NFImageParams instance specific to this image generation extension.

Specified by:

getImageParamsInstance in interface NFImageExtension

Specified by:

getImageParamsInstance in class NFImageOutput

Returns:

NFImageParams instance containing default image generation parameters.