/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

/* $Id$ */

package org.apache.xmlgraphics.image.writer;

/**
 * Parameters for the encoder which is accessed through the
 * ImageWriter interface.
 *
 * @version $Id$
 */
public class ImageWriterParams {

    private Integer resolution;
    private Float jpegQuality;
    private Boolean jpegForceBaseline;
    private String compressionMethod;

    /**
     * Default constructor.
     */
    public ImageWriterParams() {
        //nop
    }

    /**
     * @return the image resolution in dpi, or null if undefined
     */
    public Integer getResolution() {
        return this.resolution;
    }

    /**
     * @return the quality value for encoding a JPEG image
     *          (0.0-1.0), or null if undefined
     */
    public Float getJPEGQuality() {
        return this.jpegQuality;
    }

    /**
     * @return true if the baseline quantization table is forced,
     *          or null if undefined.
     */
    public Boolean getJPEGForceBaseline() {
        return this.jpegForceBaseline;
    }

    /** @return the compression method for encoding the image */
    public String getCompressionMethod() {
        return this.compressionMethod;
    }

    /**
     * Sets the target resolution of the bitmap image to be written.
     * @param dpi the resolution in dpi
     */
    public void setResolution(int dpi) {
        this.resolution = new Integer(dpi);
    }

    /**
     * Sets the quality setting for encoding JPEG images.
     * @param quality the quality setting (0.0-1.0)
     * @param forceBaseline force baseline quantization table
     */
    public void setJPEGQuality(float quality, boolean forceBaseline) {
        this.jpegQuality = new Float(quality);
        this.jpegForceBaseline = forceBaseline ? Boolean.TRUE : Boolean.FALSE;
    }

    /**
     * Set the compression method that shall be used to encode the image.
     * @param method the compression method
     */
    public void setCompressionMethod(String method) {
        this.compressionMethod = method;
    }
}