1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
| import java.awt.Color;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.geom.Rectangle2D;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JRootPane;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
public class Rapporteur extends JFrame {
private static int POINT_WIDTH = 3;
private static int MARGIN = 35;
private static int SPACING = 10;
public static void main(String[] args) {
new Rapporteur();
}
public Rapporteur() {
setUndecorated(true);
setTitle("Rapporteur");
getRootPane().setWindowDecorationStyle(JRootPane.FRAME);
getContentPane().add(new GradePane());
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBackground(createTransparentColor(Color.BLACK, 0f));
setSize(300,300);
setLocationRelativeTo(null);
setVisible(true);
}
private static Color createTransparentColor(Color color, float transparency) {
return new Color(color.getRed(), color.getGreen(), color.getBlue(), (int)(transparency*255));
}
private static class GradePane extends JPanel {
private Point mousePoint;
public GradePane() {
setBackground(createTransparentColor(Color.ORANGE,0.3f));
MouseAdapter mouseAdapter = new MouseAdapter() {
@Override
public void mouseDragged(MouseEvent e) {
mousePoint = null;
repaintWindow();
}
@Override
public void mouseMoved(MouseEvent e) {
mousePoint = e.getPoint();
repaintWindow();
}
@Override
public void mouseExited(MouseEvent e) {
mousePoint = null;
repaintWindow();
}
};
addMouseListener(mouseAdapter);
addMouseMotionListener(mouseAdapter);
}
protected void repaintWindow() {
SwingUtilities.getWindowAncestor(this).repaint();
}
@Override
public void paint(Graphics g) {
super.paint(g);
Rectangle bounds = getBounds();
g.setColor(Color.BLACK);
Point center = new Point((int)bounds.getCenterX(), (int)bounds.getCenterY());
g.drawLine(center.x, MARGIN, center.x, getHeight()-MARGIN);
int height = getHeight()/2-MARGIN;
for(int i=0; i<height; i+=SPACING) {
g.drawLine(center.x-POINT_WIDTH, center.y+i, center.x+POINT_WIDTH, center.y+i);
g.drawLine(center.x-POINT_WIDTH, center.y-i, center.x+POINT_WIDTH, center.y-i);
}
g.drawLine(MARGIN, center.y, getWidth()-MARGIN, center.y);
int width = getWidth()/2-MARGIN;
for(int i=0; i<width; i+=SPACING) {
g.drawLine(center.x+i, center.y-POINT_WIDTH, center.x+i, center.y+POINT_WIDTH);
g.drawLine(center.x-i, center.y-POINT_WIDTH, center.x-i, center.y+POINT_WIDTH);
}
drawString((Graphics2D)g, "400", new Rectangle(0,0,getWidth(),MARGIN-1), SwingConstants.CENTER, SwingConstants.BOTTOM);
drawString((Graphics2D)g, "100", new Rectangle(getWidth()-MARGIN+1,0,MARGIN-1,getHeight()), SwingConstants.LEFT, SwingConstants.CENTER);
drawString((Graphics2D)g, "200", new Rectangle(0,getHeight()-MARGIN-1,getWidth(),MARGIN-1), SwingConstants.CENTER, SwingConstants.TOP);
drawString((Graphics2D)g, "300", new Rectangle(0,0,MARGIN-1,getHeight()), SwingConstants.RIGHT, SwingConstants.CENTER);
if ( mousePoint!=null ) {
// éventuellement il faudrait projeter le point sur la bordure de la fenêtre
drawLine(g, center, mousePoint, getWidth(), getHeight());
//g.drawLine(center.x, center.y, mousePoint.x, mousePoint.y);
}
}
private void drawLine(Graphics g, Point c, Point p, int width, int height) {
// y = c.y + ((p.y - c.y)/(p.x - c.x))*(x - c.x)
// y = ((x-c.x)/(p.x-c.x)) * (p.y-c.y) + c.y;
if ( p.x==c.x ) {
int y;
if ( p.y<c.y ) {
y = 0;
}
else {
y = height;
}
g.drawLine(c.x, c.y, c.x, y);
}
else if ( p.y==c.y ) {
int x;
if ( p.x<c.x ) {
x = 0;
}
else {
x = width;
}
g.drawLine(c.x, c.y, x, c.y);
}
else if ( p.x> c.x ){
int x = width;
int y = ((x-c.x)/(p.x-c.x)) * (p.y-c.y) + c.y;
g.drawLine(c.x, c.y, x, y);
}
else {
int x = 0;
int y = ((x-c.x)/(p.x-c.x)) * (p.y-c.y) + c.y;
g.drawLine(c.x, c.y, x, y);
}
}
private static void drawString(Graphics2D g2d, String string, Rectangle bounds, int halign, int valign) {
FontMetrics fontMetrics = g2d.getFontMetrics();
Rectangle2D textBounds = fontMetrics.getStringBounds(string, g2d);
double textWidth = textBounds.getWidth();
double x,y;
switch (halign) {
case SwingConstants.LEFT:
x = bounds.getX();
break;
case SwingConstants.RIGHT:
x = bounds.getX() + bounds.getWidth() - textWidth;
break;
case SwingConstants.CENTER:
default:
x = bounds.getX()
+ (bounds.getWidth() - textWidth) / 2;
break;
}
switch (valign) {
case SwingConstants.TOP:
y = bounds.getY() + fontMetrics.getAscent() - fontMetrics.getDescent();
break;
case SwingConstants.BOTTOM:
y = bounds.getY()
+ bounds.getHeight() - fontMetrics.getDescent() ;
break;
case SwingConstants.CENTER:
default:
y = bounds.getY()
+ bounds.getHeight()/ 2 - ( ( fontMetrics.getAscent() + fontMetrics.getDescent() ) / 2 ) + fontMetrics.getAscent() ;
break;
}
g2d.drawString(string, (int)x, (int)y);
}
}
} |
