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RFB/VNC protocol codec and handler based on netty

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/*******************************************************************************
 * Copyright (c) 2016 comtel inc.
 *
 * 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 org.jfxvnc.net.rfb.render.rect;

import org.jfxvnc.net.rfb.codec.Encoding;

public abstract class ImageRect {

  protected final int x;
  protected final int y;
  protected final int width;
  protected final int height;

  public ImageRect(int x, int y, int width, int height) {
    this.x = x;
    this.y = y;
    this.width = width;
    this.height = height;
  }

  /**
   * @return the image {@link Encoding} type
   */
  public abstract Encoding getEncoding();


  /**
   * @return the X coordinate of the image rectangular
   */
  public int getX() {
    return x;
  }

  /**
   * @return the Y coordinate of the image rectangular
   */
  public int getY() {
    return y;
  }

  /**
   * @return the width of the image rectangular
   */
  public int getWidth() {
    return width;
  }

  /**
   * @return the height of the image rectangular
   */
  public int getHeight() {
    return height;
  }

  /**
   * Release the image buffer
   * 
   * @return if successful
   */
  public boolean release() {
    return true;
  }

  @Override
  public String toString() {
    return "ImageRect [x=" + x + ", y=" + y + ", width=" + width + ", height=" + height + "]";
  }

}