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
|
package bjc.imgchain;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import javax.imageio.ImageIO;
import javax.swing.*;
import bjc.imgchain.utils.SimpleInputPanel;
public class ImgViewer extends JInternalFrame {
private final class ScaleImageListener implements ActionListener {
@Override
public void actionPerformed(ActionEvent ev) {
int height = Integer.parseInt(JOptionPane.showInputDialog("Enter new image height"));
int width = Integer.parseInt(JOptionPane.showInputDialog("Enter new image width"));
icon.setImage(icon.getImage().getScaledInstance(width, height, Image.SCALE_DEFAULT));
repaint();
}
}
private final class ReloadImageListener implements ActionListener {
private final File img;
private ReloadImageListener(File img) {
this.img = img;
}
@Override
public void actionPerformed(ActionEvent ev) {
try {
icon.setImage(ImageIO.read(img));
} catch (IOException e) {
String msg = String.format("Error: Could not load image %s", img.getPath());
System.out.printf("%s\n", msg);
e.printStackTrace();
JOptionPane.showInternalMessageDialog(ImgViewer.this, msg, "Error loading image",
JOptionPane.ERROR_MESSAGE);
}
}
}
private final class ChangeImageListener implements ActionListener {
@Override
public void actionPerformed(ActionEvent ev) {
JFileChooser jfc = new JFileChooser();
jfc.setMultiSelectionEnabled(false);
int res = jfc.showOpenDialog(ImgViewer.this);
if (res != JFileChooser.APPROVE_OPTION) {
return;
}
try {
File tmp = jfc.getSelectedFile();
icon.setImage(ImageIO.read(tmp));
img = tmp;
} catch (IOException e) {
String msg = String.format("Error: Could not load image %s", img.getPath());
System.out.printf("%s\n", msg);
e.printStackTrace();
JOptionPane.showInternalMessageDialog(null, msg, "Error loading image",
JOptionPane.ERROR_MESSAGE);
}
}
}
private static final long serialVersionUID = -4727584150861526435L;
private File img;
private boolean initted;
private ImageIcon icon;
private ImgChain desktop;
public ImgViewer(ImgChain desk, File img) {
super("Image Viewer - " + img.getName(), true, true, true, true);
initted = false;
this.img = img;
this.desktop = desk;
initted = setupGUI(img);
}
private boolean setupGUI(File img) {
setSize(320, 240);
setLayout(new GridLayout(1, 1));
JMenuBar bar = setupMenubar(img);
setJMenuBar(bar);
JLabel lab = loadLabel(img);
if (lab == null) {
return false;
}
add(lab);
return true;
}
private JMenuBar setupMenubar(File img) {
JMenuBar bar = new JMenuBar();
JMenu fileMenu = new JMenu("File");
fileMenu.setMnemonic('F');
JMenuItem changeImage = new JMenuItem("Change Image");
changeImage.setMnemonic('C');
changeImage.addActionListener(new ChangeImageListener());
JMenuItem reloadImage = new JMenuItem("Reload Image");
reloadImage.setMnemonic('R');
reloadImage.addActionListener(new ReloadImageListener(img));
JMenuItem storeImage = new JMenuItem("Store Image");
storeImage.setMnemonic('S');
storeImage.addActionListener((ev) -> {
String inp = JOptionPane.showInternalInputDialog(this, "Enter name to store image under");
if(inp == null) return;
inp = inp.trim();
if(inp.equals("")) {
return;
}
desktop.addImage(inp, icon.getImage());
});
fileMenu.add(changeImage);
fileMenu.add(reloadImage);
fileMenu.addSeparator();
fileMenu.add(storeImage);
JMenu editMenu = new JMenu("Edit Image");
editMenu.setMnemonic('E');
JMenuItem scaleImage = new JMenuItem("Scale Image");
scaleImage.setMnemonic('S');
scaleImage.addActionListener(new ScaleImageListener());
editMenu.add(scaleImage);
bar.add(fileMenu);
bar.add(editMenu);
return bar;
}
private JLabel loadLabel(File img) {
JLabel lab = null;
try {
URL imgURL = img.toURI().toURL();
icon = new ImageIcon(imgURL);
setSize(icon.getIconWidth(), icon.getIconHeight());
lab = new JLabel(icon);
} catch (MalformedURLException e) {
String msg = String.format("Error: Could not load image %s", img.getPath());
System.out.printf("%s\n", msg);
e.printStackTrace();
JOptionPane.showInternalMessageDialog(this, msg, "Error loading image",
JOptionPane.ERROR_MESSAGE);
}
return lab;
}
public boolean isInitialized() {
return initted;
}
}
|
