java - Custom JComponent not showing up on JLayeredPane -


i'm trying create chess interface in java , i'm using jlayeredpane put pieces on top of chessboard image. problem pieces not added layered pane.

this code dragimage class (every piece going instance of class can drag , drop on chessboard).

class dragimage extends jcomponent implements mousemotionlistener {         private static final long serialversionuid = 1l;         int imagewidth = 52, imageheight = 52;         int imagex, imagey;         image img;          public dragimage(image i) {             img = i;             repaint();             addmousemotionlistener(this);         }          public void mousedragged(mouseevent e) {             imagex = e.getx();             imagey = e.gety();             repaint();         }          public void mousemoved(mouseevent e) {         }          public void paint(graphics g) {             graphics2d g2 = (graphics2d) g;              g2.drawimage(img, imagex, imagey, this);         }      }

and code jpanel.

the image addresses correct aren't showing on panel.

class mypanel extends jpanel {         private jlayeredpane layeredpane;         private jlabel imagecontainer = new jlabel();         private imageicon img;          mypanel() {             super();             img = new imageicon("chessboard.png");             this.imagecontainer.seticon(img);             this.layeredpane = new jlayeredpane();             layeredpane.setpreferredsize(new dimension(416, 416));             layeredpane.add(imagecontainer, 50);             imagecontainer.setbounds(0, 0, img.geticonwidth(),                     img.geticonheight());             int pozx = 52, pozy = 52;             (int = 0; < 8; i++) {                 (int j = 0; j < 8; j++) {                     if(tabla[i][j]!="--"){                     dragimage img = new dragimage(toolkit.getdefaulttoolkit().getimage("pieces\\" + tabla[i][j] + ".png"));                     //system.out.println("pieces\\" + tabla[i][j] + ".png");                     img.setbounds(pozx,pozy,img.imagewidth,img.imageheight);                     layeredpane.add(img,100);   //this doesn't work                     }                     pozx+=52;                 }                 pozy+=52;                 pozx=52;             }              this.add(layeredpane);         } }

...

frame = new jframe(); frame.setvisible(true); frame.setsize(800, 600); frame.setdefaultcloseoperation(jframe.exit_on_close); panel = new mypanel(); frame.add(panel); frame.pack();

first use layeredpane attach 2 panels 1 image , panel components , second panel must palete layer components appear..


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