one.empty3.feature20220726.Vectorize Maven / Gradle / Ivy

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3D rendering engine. Plus modeling. Expected glsl textures 3d and 2d rendering
There is a newer version: 2024.5.10
/*
 * Copyright (c) 2023. Manuel Daniel Dahmen
 *
 *
 *    Copyright 2012-2023 Manuel Daniel Dahmen
 *
 *    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 one.empty3.feature20220726;

import one.empty3.io.ProcessFile;
import one.empty3.library.Point3D;

import javaAnd.awt.image.imageio.ImageIO;
import javaAnd.awt.*;

import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Random;
import java.util.concurrent.atomic.AtomicBoolean;

public class Vectorize extends ProcessFile {
    private PixM pixM;
    private double distMax = 40.;
    private final Random random = new Random();
    Point3D[][] mapPoints;
    private ArrayList> lists;
    private int[][] p;

    public Vectorize() {
        lists = new ArrayList>();
    }

    public double r() {
        return (random.doubles().iterator().nextDouble() + 1.) / 2;
    }

    @Override
    public boolean process(File in, File out) {
        lists = new ArrayList>();
        BufferedImage read = ImageIO.read(in);
        if (read == null)
            return false;
        pixM = new PixM(read);
        PixM o = new PixM(pixM.getColumns(), pixM.getLines());

        p = new int[pixM.getColumns()][pixM.getLines()];
        mapPoints = new Point3D[pixM.getColumns()][pixM.getLines()];

        for (int x = 0; x < pixM.getColumns(); x++)
            for (int y = 0; y < pixM.getLines(); y++) {
                p[x][y] = 0;
                if (pixM.luminance(x, y) > 0.4)
                    mapPoints[x][y] = new Point3D((double) x, (double) y, pixM.luminance(x, y));
            }

        for (int i = 0; i < pixM.getColumns(); i++) {
            for (int j = 0; j < pixM.getLines(); j++) {
                if (mapPoints[i][j] != null) {
                    lists.add(new ArrayList<>());
                    lists.get(lists.size() - 1).add(mapPoints[i][j]);
                }
            }
        }
        AtomicBoolean hasMoved = new AtomicBoolean(true);
        int i = 0, j = 0, k = 0, l = 0;

        ArrayList> lists2 = new ArrayList>();
        ArrayList current;

        while (hasMoved.get()) {
            hasMoved.set(false);
            i = 0;
            int credI = 0;
            while (i < lists.size() && !hasMoved.get()) {
                ArrayList subList1 = lists.get(i);
                j = 0;
                int credJ = 0;
                while (j < lists.get(i).size() && !hasMoved.get()) {
                    Point3D p1 = subList1.get(j);
                    k = 0;
                    int credK = 0;
                    while (k < lists.size() && !hasMoved.get()) {
                        ArrayList subList2 = lists.get(k);
                        int credL = 0;
                        while (l < subList2.size() && !hasMoved.get()) {
                            Point3D p2 = subList2.get(l);
                            if (neighborhood(p1, p2) && subList1 != subList2 && p1 != p2
                                /*&& p1.norme() > 0.4 && p2.norme() > 0.4*/) {
                                subList2.remove(p2);
                                credL--;
                                subList1.add(p2);
                                credJ++;
                                hasMoved.set(true);

                                if (subList2.isEmpty()) {
                                    lists.remove(subList2);
                                    credK--;
                                }
                            }

                            l = l + 1 + credL;
                        }
                        k = k + 1 + credK;
                    }
                    j = j + 1 + credJ;
                }
                i = i + 1 + credI;
            }

        }

        System.out.println("Number of blocks = " + lists.size());
        for (ArrayList p3s : lists) {
            if (p3s.size() > 1) {
                Color r = new Color(p3s.get(0).texture().getColorAt(0.5, 0.5));
                if (p3s.size() > 0)
                    p3s.forEach(point3D -> o.setValues((int) (double) (point3D.getX()), (int) (double) (point3D.getY()), r.getRed() / 255., r.getGreen() / 255., r.getBlue() / 255.));
            }
        }
        ImageIO.write(o.normalize(0.0, 1.0).getImage(), "jpg", out);
        return true;

    }

    private boolean neighborhood(Point3D p1, Point3D p2) {
        return Point3D.distance(p1, p2) < 1.5;
    }

    public double getDistMax() {
        return distMax;
    }

    public void setDistMax(double distMax) {
        this.distMax = distMax;
    }

}