/**
 * 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 Raster3dPart {

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

    public Raster3dPart(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(GreyscaleRaster img, Point start) {
        this.addImage(img, curProp, start);
    }

    public void addImage(GreyscaleRaster img, LaserProperty prop, Point start) {
        this.images.add(img);
        this.properties.add(prop);
        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 one pixel and the value corresponds to
     * the raster power
     * @param raster
     * @param line
     * @return
     */
    public List<Byte> getRasterLine(int raster, int line) {
        GreyscaleRaster img = this.images.get(raster);
        List<Byte> result = new LinkedList<Byte>();
        for (int x = 0; x < img.getWidth(); x++) {
            //TOTEST: Black white (byte converssion)
            result.add((byte) img.getGreyScale(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 LaserProperty getLaserProperty(int raster) {
        return this.properties.get(raster);
    }

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

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

    public List<Byte> getInvertedRasterLine(int raster, int line) {
        GreyscaleRaster img = this.images.get(raster);
        List<Byte> result = new LinkedList<Byte>();
        for (int x = 0; x < img.getWidth(); x++) {
            //TOTEST: Black white (byte converssion)
            result.add((byte) (255 - img.getGreyScale(x, line)));
        }
        return result;
    }
}