RasterPart.java

/**
 * This file is part of VisiCut.
 * Copyright (C) 2011 Thomas Oster <thomas.oster@rwth-aachen.de>
 * RWTH Aachen University - 52062 Aachen, Germany
 * 
 *     VisiCut is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *    VisiCut 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 Lesser General Public License for more details.
 * 
 *     You should have received a copy of the GNU Lesser General Public License
 *     along with VisiCut.  If not, see <http://www.gnu.org/licenses/>.
 **/
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.t_oster.liblasercut;

import com.t_oster.liblasercut.platform.Point;
import java.util.LinkedList;
import java.util.List;

/**
 *
 * @author Thomas Oster <thomas.oster@rwth-aachen.de>
 */
public class RasterPart
{

  private LaserProperty curProp;
  private List<BlackWhiteRaster> images = new LinkedList<BlackWhiteRaster>();
  private List<LaserProperty> properties = new LinkedList<LaserProperty>();
  private List<Point> starts = new LinkedList<Point>();

  public RasterPart(LaserProperty initialLaserProperty)
  {
    this.curProp = initialLaserProperty;
  }

  public void setCurrentLaserProperty(LaserProperty eng)
  {
    this.curProp = eng;
  }

  public LaserProperty getCurrentLaserProperty()
  {
    return this.curProp;
  }

  /**
   * Adds the given Image to this RasterPart
   * The Image must be in sRGB Format. The grey value of every pixel
   * is mapped to the LaserPower (scaled to the LaserPower in the
   * current engraving property)
   * @param img 
   */
  public void addImage(BlackWhiteRaster img, Point start)
  {
    this.addImage(img, curProp, start);
  }

  public void addImage(BlackWhiteRaster img, LaserProperty prop, Point start)
  {
    this.images.add(img);
    this.properties.add(prop.clone());
    this.starts.add(start);
  }

  /**
   * Returns the number of Rasters, this rasterpart contains
   * @return 
   */
  public int getRasterCount()
  {
    return this.images.size();
  }

  /**
   * Returns the full width of the complete raster Part
   * @return
   */
  public int getWidth()
  {
    int minx = 0;
    int maxx = 0;
    for (int i = 0; i < this.getRasterCount(); i++)
    {
      Point start = this.getRasterStart(i);
      minx = Math.min(minx, start.x);
      maxx = Math.max(maxx, start.x + this.getRasterWidth(i));
    }
    return maxx - minx;
  }

  /**
   * Returns the full height of the complete raster Part
   * @return
   */
  public int getHeight()
  {
    int miny = 0;
    int maxy = 0;
    for (int i = 0; i < this.getRasterCount(); i++)
    {
      Point start = this.getRasterStart(i);
      miny = Math.min(miny, start.y);
      maxy = Math.max(maxy, start.y + this.getRasterHeight(i));
    }
    return maxy - miny;
  }

  /**
   * Returns the upper left point of the given raster
   * @param raster the raster which upper left corner is to determine
   * @return 
   */
  public Point getRasterStart(int raster)
  {
    return this.starts.get(raster);
  }

  /**
   * Returns one line of the given rasterpart
   * every byte represents 8 pixel and the value corresponds to
   * 1 when black or 0 when white
   * @param raster
   * @param line
   * @return 
   */
  public List<Byte> getRasterLine(int raster, int line)
  {
    BlackWhiteRaster img = this.images.get(raster);
    List<Byte> result = new LinkedList<Byte>();
    for (int x = 0; x < (img.getWidth() + 7) / 8; x++)
    {
      result.add(img.getByte(x, line));
    }
    return result;
  }

  public int getRasterWidth(int raster)
  {
    return this.images.get(raster).getWidth();
  }

  public int getRasterHeight(int raster)
  {
    return this.images.get(raster).getHeight();
  }

  public BlackWhiteRaster[] getImages()
  {
    return this.images.toArray(new BlackWhiteRaster[0]);
  }

  public LaserProperty getLaserProperty(int raster)
  {
      return this.properties.get(raster);
  }
  
  public LaserProperty[] getPropertys()
  {
    return this.properties.toArray(new LaserProperty[0]);
  }
}