Imagez.java 文件源码

public static void writeJPG( BufferedImage rendered, float quality, File f ) {

        try {
            JPEGImageWriteParam jpegParams = new JPEGImageWriteParam( null );
            jpegParams.setCompressionMode( ImageWriteParam.MODE_EXPLICIT );
            jpegParams.setCompressionQuality( 1f );

            ImageWriter writer = ImageIO.getImageWritersByFormatName( "jpeg" ).next();
            ImageWriteParam param = writer.getDefaultWriteParam();
            param.setCompressionMode( ImageWriteParam.MODE_EXPLICIT ); // Needed see javadoc
            param.setCompressionQuality( quality ); // Highest quality
            writer.setOutput( new FileImageOutputStream( f ) );
            writer.write( null, new IIOImage( rendered, null, null ), jpegParams );
        } catch ( Throwable th ) {
            th.printStackTrace();
        }
    }