| 12
 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
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 
 | import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.TexturePaint;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RoundRectangle2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
 
import javax.imageio.ImageIO;
import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;
import javax.swing.border.Border;
 
import org.jdesktop.swingx.JXFrame;
 
/**
 *
 */
 
/**
 * @author Sinok
 *
 */
public class MyLabel extends JLabel implements ComponentListener{
 
    private TexturePaint backgroundPaint;
    private Shape backgroundShape;
    private Color borderColor = Color.darkGray;
 
    /**
     *
     */
    public MyLabel() {
        super();
        init();
        // TODO Raccord de constructeur auto-généré
    }
 
    /**
     * @param image
     * @param horizontalAlignment
     */
    public MyLabel(Icon image, int horizontalAlignment) {
        super(image, horizontalAlignment);
        init();
        // TODO Raccord de constructeur auto-généré
    }
 
    /**
     * @param image
     */
    public MyLabel(Icon image) {
        super(image);
        init();
        // TODO Raccord de constructeur auto-généré
    }
 
    /**
     * @param text
     * @param icon
     * @param horizontalAlignment
     */
    public MyLabel(String text, Icon icon, int horizontalAlignment) {
        super(text, icon, horizontalAlignment);
        init();
        // TODO Raccord de constructeur auto-généré
    }
 
    /**
     * @param text
     * @param horizontalAlignment
     */
    public MyLabel(String text, int horizontalAlignment) {
        super(text, horizontalAlignment);
        init();
        // TODO Raccord de constructeur auto-généré
    }
 
    /**
     * @param text
     */
    public MyLabel(String text) {
        super(text);
        init();
        // TODO Raccord de constructeur auto-généré
    }
 
 
    private GradientPaint prepareUpperGradient() {
        return new GradientPaint(0,0,Color.lightGray,0,getHeight()/2,Color.white);
    }
    private GradientPaint prepareLowerGradient() {
        return new GradientPaint(0,getHeight()/2,Color.white,0,getHeight(),Color.lightGray);
    }
 
    private Shape prepareShape() {
        Border b= this.getBorder();
        Insets insets = new Insets(0,0,0,0);
        if(b != null) {
            insets = b.getBorderInsets(this);
        }
        System.out.println("width "+getWidth()+" height "+getHeight());
        System.out.println("insets "+insets.toString());
        return new RoundRectangle2D.Double(insets.left,insets.top,getWidth()-insets.right*2,getHeight()-insets.bottom*2,10,10);
    }
 
    private TexturePaint prepareBackgroundPaint() {
        GradientPaint upperGradient = prepareUpperGradient();
        GradientPaint lowerGradient = prepareLowerGradient();
        BufferedImage im = new BufferedImage(getWidth(), getHeight(),BufferedImage.TYPE_INT_ARGB);
        Graphics2D imG2d = im.createGraphics();
        imG2d.setPaint(upperGradient);
        imG2d.fill(new Rectangle2D.Double(0,0,getWidth(),getHeight()/2));
        imG2d.setPaint(lowerGradient);
        imG2d.fill(new Rectangle2D.Double(0,getHeight()/2,getWidth(),getHeight()));
        imG2d.dispose();
 
        Rectangle2D rect = new Rectangle2D.Double(0,0,im.getWidth(), im.getHeight());
        return new TexturePaint(im,rect);
 
    }
 
 
 
    /* (non-Javadoc)
     * @see javax.swing.JComponent#paintComponent(java.awt.Graphics)
     */
    @Override
    protected void paintComponent(Graphics g) {
        // TODO Raccord de méthode auto-généré
        if(isShowing()) {
 
            Graphics2D g2d = (Graphics2D) g;
            super.paintComponent(g2d);
            g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
            if(backgroundPaint == null) {
                backgroundPaint = prepareBackgroundPaint();
            }
            if(backgroundShape == null) {
                backgroundShape = prepareShape();
            }
 
            g2d.setPaint(backgroundPaint);
            g2d.fill(backgroundShape);
            super.paintComponent(g2d);
 
 
        }
 
    }
 
 
 
    /* (non-Javadoc)
     * @see javax.swing.JComponent#paintBorder(java.awt.Graphics)
     */
    @Override
    protected void paintBorder(Graphics g) {
        // TODO Raccord de méthode auto-généré
        if(isShowing()) {
            Graphics2D g2d = (Graphics2D) g;
            g2d.setColor(borderColor);
            g2d.draw(backgroundShape);
            super.paintBorder(g);
        }
    }
 
 
 
    public void componentHidden(ComponentEvent e) {
        // TODO Raccord de méthode auto-généré
 
    }
 
    public void componentMoved(ComponentEvent e) {
        backgroundPaint = prepareBackgroundPaint();
        backgroundShape = prepareShape();
        repaint();
    }
 
    public void componentResized(ComponentEvent e) {
        backgroundPaint = prepareBackgroundPaint();
        backgroundShape = prepareShape();
        repaint();
 
    }
 
    public void componentShown(ComponentEvent e) {
        // TODO Raccord de méthode auto-généré
 
    }
 
    private void init() {
        this.addComponentListener(this);
        setOpaque(false);
 
    }
 
    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Raccord de méthode auto-généré
        SwingUtilities.invokeLater(new Runnable() {
 
            public void run() {
                JFrame f = new JFrame();
                MyLabel l = new MyLabel("toto");
                l.setHorizontalAlignment(JLabel.CENTER);
                l.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
                f.add(l);
                f.pack();
                f.setLocationRelativeTo(null);
                f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
                f.setVisible(true);
 
            }
 
        });
 
    }
} | 
Partager