webp-imageio-core/src/main/java/com/luciad/imageio/webp/WebPWriter.java

73 lines
2.2 KiB
Java

/*
* Copyright 2013 Luciad (http://www.luciad.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.luciad.imageio.webp;
import javax.imageio.IIOImage;
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.ImageWriteParam;
import javax.imageio.ImageWriter;
import javax.imageio.metadata.IIOMetadata;
import javax.imageio.spi.ImageWriterSpi;
import javax.imageio.stream.ImageOutputStream;
import java.awt.image.RenderedImage;
import java.io.IOException;
class WebPWriter extends ImageWriter {
WebPWriter( ImageWriterSpi originatingProvider ) {
super( originatingProvider );
}
@Override
public ImageWriteParam getDefaultWriteParam() {
return new WebPWriteParam( getLocale() );
}
@Override
public IIOMetadata convertImageMetadata( IIOMetadata inData, ImageTypeSpecifier imageType, ImageWriteParam param ) {
return null;
}
@Override
public IIOMetadata convertStreamMetadata( IIOMetadata inData, ImageWriteParam param ) {
return null;
}
@Override
public IIOMetadata getDefaultImageMetadata( ImageTypeSpecifier imageType, ImageWriteParam param ) {
return null;
}
@Override
public IIOMetadata getDefaultStreamMetadata( ImageWriteParam param ) {
return null;
}
@Override
public void write( IIOMetadata streamMetadata, IIOImage image, ImageWriteParam param ) throws IOException {
if ( param == null ) {
param = getDefaultWriteParam();
}
WebPWriteParam writeParam = (WebPWriteParam) param;
ImageOutputStream output = ( ImageOutputStream ) getOutput();
RenderedImage ri = image.getRenderedImage();
byte[] encodedData = WebP.encode(writeParam, ri);
output.write( encodedData );
}
}