gnu.javax.imageio.png

Class PNGImageReaderSpi

Implemented Interfaces:
RegisterableService

public class PNGImageReaderSpi
extends ImageReaderSpi

The ImageIO ImageReader service provider for PNG images.

Field Summary

Fields inherited from class javax.imageio.spi.ImageReaderSpi

STANDARD_INPUT_TYPE, inputTypes, writerSpiNames

Fields inherited from class javax.imageio.spi.ImageReaderWriterSpi

MIMETypes, extraImageMetadataFormatClassNames, extraImageMetadataFormatNames, extraStreamMetadataFormatClassNames, extraStreamMetadataFormatNames, names, nativeImageMetadataFormatClassName, nativeImageMetadataFormatName, nativeStreamMetadataFormatClassName, nativeStreamMetadataFormatName, pluginClassName, suffixes, supportsStandardImageMetadataFormat, supportsStandardStreamMetadataFormat

Fields inherited from class javax.imageio.spi.IIOServiceProvider

vendorName, version

Constructor Summary

PNGImageReaderSpi()
The basic constructor.

Method Summary

boolean
canDecodeInput(Object source)
Determines if the PNG ImageReader can decode the specified input.
ImageReader
createReaderInstance(Object extension)
Returns a new PNGImageReader instance.
String
getDescription(Locale locale)
Returns a description.

Methods inherited from class javax.imageio.spi.ImageReaderSpi

canDecodeInput, createReaderInstance, createReaderInstance, getImageWriterSpiNames, getInputTypes, isOwnReader

Methods inherited from class javax.imageio.spi.ImageReaderWriterSpi

getExtraImageMetadataFormatNames, getExtraStreamMetadataFormatNames, getFileSuffixes, getFormatNames, getImageMetadataFormat, getMIMETypes, getNativeImageMetadataFormatName, getNativeStreamMetadataFormatName, getPluginClassName, getStreamMetadataFormat, isStandardImageMetadataFormatSupported, isStandardStreamMetadataFormatSupported

Methods inherited from class javax.imageio.spi.IIOServiceProvider

getDescription, getVendorName, getVersion, onDeregistration, onRegistration

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

PNGImageReaderSpi

public PNGImageReaderSpi()
The basic constructor. Object is special, because it has no superclass, so there is no call to super().

Method Details

canDecodeInput

public boolean canDecodeInput(Object source)
            throws IOException
Determines if the PNG ImageReader can decode the specified input.
Overrides:
canDecodeInput in interface ImageReaderSpi
Parameters:
source - the source to decode

createReaderInstance

public ImageReader createReaderInstance(Object extension)
            throws IOException
Returns a new PNGImageReader instance.
Overrides:
createReaderInstance in interface ImageReaderSpi
Parameters:
extension - the extension, ignored

getDescription

public String getDescription(Locale locale)
Returns a description.
Overrides:
getDescription in interface IIOServiceProvider
Parameters:
locale - the locale

PNGImageReaderSpi.java -- The ImageReader service provider for PNG Copyright (C) 2006 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.