回答編集履歴
3
普通のクラス
test
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```
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---
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追記 普通のクラス
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```Java
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import java.awt.Color;
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import java.awt.EventQueue;
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import java.awt.Font;
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import java.awt.FontMetrics;
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import java.awt.GradientPaint;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.SystemColor;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.SwingUtilities;
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// JFrameを継承してこのアプリ用にカスタマイズしたGUIクラスを作る
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public class GUI extends JFrame {
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public static void main(String[] args) {
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EventQueue.invokeLater(new Runnable() { // ここも匿名クラスです
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public void run() {
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try {
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GUI window = new GUI();
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window.setVisible(true);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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});
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}
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public GUI() {
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// このアプリ専用のいろんなカスタマイズ
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setBackground(SystemColor.textHighlight);
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setTitle("Nova Music Player");
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setBounds(100, 100, 854, 450);
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setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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// GradationLabelはJLabelの機能は当然全部持っているので、JLabel変数に入れても問題ない
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JLabel lbl = new GradationLabel("Nova Music Player");
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lbl.setToolTipText("");
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lbl.setForeground(new Color(0, 255, 0));
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lbl.setFont(new Font("源界明朝", Font.PLAIN, 80));
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lbl.setBackground(Color.WHITE);
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add(lbl);
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}
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}
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// JLabelを継承してグラデーションのテキストを表示するラベルに改造
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// でもほとんどの機能はJLabelに任せる
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class GradationLabel extends JLabel {
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public GradationLabel(String text) {
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super(text);
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}
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// paintComponent（表示するところ）だけをグラデーションするロジックに置き換える
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@Override
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public void paintComponent(Graphics g) {
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final Graphics2D g2 = (Graphics2D) g.create();
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g2.setFont(getFont());
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Rectangle viewR = new Rectangle();
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viewR.width = getSize().width;
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viewR.height = getSize().height;
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Rectangle iconR = new Rectangle();
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Rectangle textR = new Rectangle();
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SwingUtilities.layoutCompoundLabel(this, g2.getFontMetrics(),
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getText(), getIcon(),
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getVerticalAlignment(), getHorizontalAlignment(),
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getVerticalTextPosition(), getHorizontalTextPosition(),
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viewR, iconR, textR, getIconTextGap());
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FontMetrics fm = g2.getFontMetrics();
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g2.setPaint(new GradientPaint(new Point(textR.x, textR.y), Color.WHITE,
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new Point(textR.x, textR.y + textR.height), Color.PINK.darker()));
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g2.drawString(getText(), textR.x, textR.y + fm.getMaxAscent());
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g2.dispose();
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}
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}
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```
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全文
test
CHANGED
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```Java
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package MusicPlayer;
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import java.awt.BorderLayout;
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import java.awt.Color;
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import java.awt.EventQueue;
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import java.awt.Font;
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import java.awt.FontMetrics;
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import java.awt.GradientPaint;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.SystemColor;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JMenu;
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import javax.swing.JMenuBar;
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import javax.swing.JMenuItem;
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import javax.swing.SwingUtilities;
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public class GUI {
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private JFrame frmNovaMusicPlayer;
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private JLabel lblNovaMusicPlayer;
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private JMenuBar menuBar;
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private JMenu menu;
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private JMenuItem menuItem;
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/**
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* Launch the application.
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*/
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public static void main(String[] args) {
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EventQueue.invokeLater(new Runnable() {
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public void run() {
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try {
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GUI window = new GUI();
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window.frmNovaMusicPlayer.setVisible(true);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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});
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}
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/**
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* Create the application.
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*/
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public GUI() {
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initialize();
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}
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/**
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* Initialize the contents of the frame.
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*/
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private void initialize() {
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frmNovaMusicPlayer = new JFrame();
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frmNovaMusicPlayer.setBackground(SystemColor.textHighlight);
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frmNovaMusicPlayer.setTitle("Nova Music Player");
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frmNovaMusicPlayer.setBounds(100, 100, 854, 450);
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frmNovaMusicPlayer.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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frmNovaMusicPlayer.getContentPane().setLayout(new BorderLayout(0, 0));
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menuBar = new JMenuBar();
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menuBar.setBorderPainted(false);
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menuBar.setBackground(new Color(255, 255, 255));
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menuBar.setFont(new Font("Yu Gothic UI", Font.PLAIN, 12));
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frmNovaMusicPlayer.getContentPane().add(menuBar, BorderLayout.NORTH);
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139
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menu = new JMenu("ファイル");
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menuBar.add(menu);
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JMenuItem menuItem_1 = new JMenuItem("音楽ファイルを開く");
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menu.add(menuItem_1);
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lblNovaMusicPlayer = new JLabel("Nova Music Player") {
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@Override
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public void paintComponent(Graphics g) {
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final Graphics2D g2 = (Graphics2D) g.create();
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g2.setFont(getFont());
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Rectangle viewR = new Rectangle();
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viewR.width = getSize().width;
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viewR.height = getSize().height;
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Rectangle iconR = new Rectangle();
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Rectangle textR = new Rectangle();
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175
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SwingUtilities.layoutCompoundLabel(this, g2.getFontMetrics(),
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177
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getText(), getIcon(),
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getVerticalAlignment(), getHorizontalAlignment(),
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180
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181
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getVerticalTextPosition(), getHorizontalTextPosition(),
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182
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183
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viewR, iconR, textR, getIconTextGap());
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184
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185
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186
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187
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+
FontMetrics fm = g2.getFontMetrics();
|
|
188
|
+
|
|
189
|
+
|
|
190
|
+
|
|
191
|
+
g2.setPaint(new GradientPaint(new Point(textR.x, textR.y), Color.WHITE,
|
|
192
|
+
|
|
193
|
+
new Point(textR.x, textR.y + textR.height), Color.PINK.darker()));
|
|
194
|
+
|
|
195
|
+
|
|
196
|
+
|
|
197
|
+
g2.drawString(getText(), textR.x, textR.y + fm.getMaxAscent());
|
|
198
|
+
|
|
199
|
+
g2.dispose();
|
|
200
|
+
|
|
201
|
+
}
|
|
202
|
+
|
|
69
|
-
};
|
|
203
|
+
};
|
|
204
|
+
|
|
205
|
+
lblNovaMusicPlayer.setToolTipText("");
|
|
206
|
+
|
|
207
|
+
lblNovaMusicPlayer.setForeground(new Color(0, 255, 0));
|
|
208
|
+
|
|
209
|
+
lblNovaMusicPlayer.setFont(new Font("源界明朝", Font.PLAIN, 80));
|
|
210
|
+
|
|
211
|
+
lblNovaMusicPlayer.setBackground(Color.WHITE);
|
|
212
|
+
|
|
213
|
+
frmNovaMusicPlayer.getContentPane().add(lblNovaMusicPlayer);
|
|
214
|
+
|
|
215
|
+
}
|
|
216
|
+
|
|
217
|
+
}
|
|
70
218
|
|
|
71
219
|
```
|
1
絶対もっと簡単にできると思う^^;
test
CHANGED
|
@@ -1,6 +1,4 @@
|
|
|
1
|
-
|
|
1
|
+
絶対もっと簡単にできると思う^^;
|
|
2
|
-
|
|
3
|
-
|
|
4
2
|
|
|
5
3
|
```Java
|
|
6
4
|
|
|
@@ -12,23 +10,59 @@
|
|
|
12
10
|
|
|
13
11
|
final Graphics2D g2 = (Graphics2D) g.create();
|
|
14
12
|
|
|
15
|
-
g2.
|
|
13
|
+
// g2.fillRect(0, 0, getWidth(), getHeight());
|
|
16
14
|
|
|
17
|
-
|
|
15
|
+
g2.setFont(getFont());
|
|
18
16
|
|
|
19
|
-
Color.WHITE,
|
|
20
17
|
|
|
21
|
-
new Point(0, getHeight()),
|
|
22
18
|
|
|
23
|
-
|
|
19
|
+
Rectangle viewR = new Rectangle();
|
|
24
20
|
|
|
21
|
+
viewR.width = getSize().width;
|
|
22
|
+
|
|
23
|
+
viewR.height = getSize().height;
|
|
24
|
+
|
|
25
|
+
Rectangle iconR = new Rectangle();
|
|
26
|
+
|
|
27
|
+
Rectangle textR = new Rectangle();
|
|
28
|
+
|
|
29
|
+
SwingUtilities.layoutCompoundLabel(this, g2.getFontMetrics(),
|
|
30
|
+
|
|
31
|
+
getText(), getIcon(),
|
|
32
|
+
|
|
33
|
+
getVerticalAlignment(), getHorizontalAlignment(),
|
|
34
|
+
|
|
35
|
+
getVerticalTextPosition(), getHorizontalTextPosition(),
|
|
36
|
+
|
|
37
|
+
viewR, iconR, textR, getIconTextGap());
|
|
38
|
+
|
|
39
|
+
|
|
40
|
+
|
|
41
|
+
FontMetrics fm = g2.getFontMetrics();
|
|
42
|
+
|
|
43
|
+
|
|
44
|
+
|
|
45
|
+
// g2.setPaint(new GradientPaint(
|
|
46
|
+
|
|
47
|
+
// new Point(0, 0),
|
|
48
|
+
|
|
49
|
+
// Color.WHITE,
|
|
50
|
+
|
|
25
|
-
|
|
51
|
+
// new Point(0, getHeight()),
|
|
52
|
+
|
|
53
|
+
// Color.PINK.darker()));
|
|
54
|
+
|
|
55
|
+
g2.setPaint(new GradientPaint(new Point(textR.x, textR.y), Color.WHITE,
|
|
56
|
+
|
|
57
|
+
new Point(textR.x, textR.y + textR.height), Color.PINK.darker()));
|
|
58
|
+
|
|
59
|
+
|
|
60
|
+
|
|
61
|
+
g2.drawString(getText(), textR.x, textR.y + fm.getMaxAscent());
|
|
26
62
|
|
|
27
63
|
g2.dispose();
|
|
28
64
|
|
|
29
|
-
|
|
30
|
-
|
|
31
|
-
super.paintComponent(g);
|
|
65
|
+
// super.paintComponent(g);
|
|
32
66
|
|
|
33
67
|
}
|
|
34
68
|
|