1 /*
2  *
3  * Copyright (C) 2007,2008  Markko Merzin (markko.merzin@ut.ee)
4  *
5  * This file is part of ImageJ plugin Volumest.
6  * 
7  * Volumest plugin is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
20 *****************************************************************************
21 */
22package ee.ut.mrz.volumest;
23
24import java.awt.Canvas;
25import java.awt.Color;
26import java.awt.Graphics;
27
28/**
29 * Implements ruler panel.
30 * 
31 * @author Markko Merzin, markko.merzin@ut.ee
32 */
33public class Ruler extends Canvas {
34
35    private String orientation;
36    private Volumest vol;
37
38
39    public Ruler(String s, Volumest vol) {
40        super();
41        this.orientation = s;
42        this.vol = vol;
43        this.setBackground(Color.BLACK);
44    }
45
46    @Override
47    public void paint(Graphics g) {
48        Double height = getSize().getHeight();
49        Double width = getSize().getWidth();
50
51        g.setColor(Color.WHITE);
52
53        double horizontalWidthInUnits = vol.getImp().getWidth() * vol.getImp().getCalibration().pixelWidth;
54        double verticalHeightInUnits = vol.getImp().getHeight() * vol.getImp().getCalibration().pixelHeight;
55
56        double horizontalScale = Math.pow(10, Math.floor(Math.log10(horizontalWidthInUnits)) - 1);
57        double verticalScale = Math.pow(10, Math.floor(Math.log10(verticalHeightInUnits)) - 1);
58
59
60        int counttofive = 0;
61        if (orientation.equals("upper")) {
62            for (double c = 0; c < horizontalWidthInUnits * horizontalScale; c = c + 1 * horizontalScale) {
63                int x = (int) Math.round(c / vol.getImp().getCalibration().pixelWidth * vol.getImageZoomFactor());
64                int h = (int) Math.floor(height);
65                if (counttofive % 10 == 0) {
66                    g.drawLine(x, 0, x, h);
67                } else if (counttofive % 10 == 5) {
68                    g.drawLine(x, h / 6, x, h);
69                } else {
70                    g.drawLine(x, h / 3, x, h);
71                }
72                counttofive++;
73            }
74        } else if (orientation.equals("lower")) {
75            for (double c = 0; c < horizontalWidthInUnits * horizontalScale; c = c + 1 * horizontalScale) {
76                int x = (int) Math.round(c / vol.getImp().getCalibration().pixelWidth * vol.getImageZoomFactor());
77                int h = (int) Math.floor(height);
78                if (counttofive % 10 == 0) {
79                    g.drawLine(x, 0, x, h);
80                } else if (counttofive % 10 == 5) {
81                    g.drawLine(x, 0, x, 2 * h / 3);
82                } else {
83                    g.drawLine(x, 0, x, h / 3);
84                }
85                counttofive++;
86            }
87        } else if (orientation.equals("right")) {
88            for (double c = 0; c < verticalHeightInUnits * verticalScale; c = c + 1 * verticalScale) {
89                int y = (int) Math.round(c / vol.getImp().getCalibration().pixelHeight * vol.getImageZoomFactor());
90                int h = (int) Math.floor(width);
91                if (counttofive % 10 == 0) {
92                    g.drawLine(0, y, h, y);
93                } else if (counttofive % 10 == 5) {
94                    g.drawLine(0, y, 2 * h / 3, y);
95                } else {
96                    g.drawLine(0, y, h / 3, y);
97                }
98                counttofive++;
99            }
00        } else if (orientation.equals("left")) {
01            for (double c = 0; c < verticalHeightInUnits * verticalScale; c = c + 1 * verticalScale) {
02                int y = (int) Math.round(c / vol.getImp().getCalibration().pixelHeight * vol.getImageZoomFactor());
03                int h = (int) Math.floor(width);
04                if (counttofive % 10 == 0) {
05                    g.drawLine(0, y, h, y);
06                } else if (counttofive % 10 == 5) {
07                    g.drawLine(h / 6, y, h, y);
08                } else {
09                    g.drawLine(h / 3, y, h, y);
10                }
11                counttofive++;
12            }
13        }
14
15
16    }
17}
18