OGLLayer.java :  » RSS » mobiledroidgis » mmenning » mobilegis » surface3d » Android Open Source

/*
 * Copyright (C) 2010 by Mathias Menninghaus (mmenning (at) uos (dot) de)
 *
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package mmenning.mobilegis.surface3d;

import java.nio.FloatBuffer;
import java.nio.ShortBuffer;

/**
 * Interface to manage the Layers which are displayed in SurfaceVisualizer.
 * IMPORTANT: The Buffers must use allocateDirect(..) and nativeOrder(..)
 * 
 * @version 01.09.2009
 * @author Mathias Menninghaus
 * 
 */
public interface OGLLayer {
  /**
   * returns a FloatBuffer of indices in the order of: x1,y1,z1,x2,y2...
   * 
   * @return
   */
  public FloatBuffer getVertexBuffer() ;

  /**
   * returns indices as an ShortBuffer in order of Index_1_of_Triangle_1,
   * Index_2_of_Triangle_1, Index_3_of_Triangle_1, Index_1_of_Triangle_2,
   * ... , Index_3_of_Triangle_n
   * 
   * The indices shall start by 0!
   * 
   * @return
   */
  public ShortBuffer getIndexBuffer() ;

  /**
   * returns the name of the OGLLayer. If no name has been read a default
   * name according to a number.
   * 
   * @return read name or default-name
   */
  public String getName() ;
  

  /**
   * returns color in android-format. if no color has been read a random
   * color will be created.
   * 
   * @return read or random color (@see android.graphics.color)
   */
  public int getColor() ;

  public boolean isFill() ;

  public void setFill(boolean fill) ;

  public boolean isVisible() ;
  
  public void setVisible(boolean visible) ;

  public boolean isSelected() ;

  public void setSelected(boolean selected) ;

}