http://www.programmersheaven.com/feed/User/325077/RSS.aspx Events at Programmer's Heaven related to the user Ophe. en Copyright 2013 Programmers Heaven Wed, 19 Jun 2013 02:45:00 -0700 Argotic Syndication Framework 2007.3.0.1, http://www.codeplex.com/Argotic http://www.rssboard.org/rss-specification 360 http://www.programmersheaven.com/mb/java/374081/374081/ReadMessage.aspx#374081 <p>Posted the message '<a href="http://www.programmersheaven.com/mb/java/374081/374081/ReadMessage.aspx#374081">Paint-problem</a>' on the <a href="http://www.programmersheaven.com/mb/java/Board.aspx">Java</a> forum.</p>Hello!<br /> <br /> I'm having some problems with a boardgame I'm trying to make.<br /> I manage to paint the graphics I want, but after about a second or two it all disappears, and I don't know how to make the painted graphics persist over time, and when the tabs are changed.<br /> <br /> <pre class="sourcecode">/* * Thud.java * * Created on den 8 augusti 2008, 15:37 */ package ophesthud; import javax.swing.*; import java.awt.*; import java.applet.Applet; import java.io.*; import javax.imageio.*; /** * * @author Ophe */ public class Main extends JFrame { public int mouseX; public int mouseY; public Image DwarfImage = (new ImageIcon("4040dwarf.jpg")).getImage(); public Image TrollImage = (new ImageIcon("4040troll.jpg")).getImage(); // Rad 1 heter rad 0 // 1 = Dvärg // 2 = Troll // 3 = Sten public int[][] pieces = { {0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0}, {0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0}, {0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0}, {0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0}, {1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}, {1, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 1}, {1, 0, 0, 0, 0, 0, 2, 3, 2, 0, 0, 0, 0, 0, 1}, {1, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 1}, {1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}, {0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0}, {0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0}, {0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0}, {0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0} }; /** Creates new form Thud */ public Main() { initComponents(); Board.setIcon(new ImageIcon("board.jpg")); } @SuppressWarnings("unchecked") // &lt;editor-fold defaultstate="collapsed" desc="Generated Code"&gt; private void initComponents() { Tabs = new javax.swing.JTabbedPane(); TabBoard = new javax.swing.JPanel(); ScoreBar = new javax.swing.JProgressBar(); jScrollPane1 = new javax.swing.JScrollPane(); MovesList = new javax.swing.JTextArea(); BoardPanel = new BPanel(); Board = new javax.swing.JLabel(); TabChat = new javax.swing.JPanel(); jLabel1 = new javax.swing.JLabel(); TabRules = new javax.swing.JPanel(); jScrollPane2 = new javax.swing.JScrollPane(); jTextArea2 = new javax.swing.JTextArea(); TabAbout = new javax.swing.JPanel(); jScrollPane3 = new javax.swing.JScrollPane(); jTextArea3 = new javax.swing.JTextArea(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); setTitle("Ophe's Thud"); setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR)); setMinimumSize(new java.awt.Dimension(200, 200)); getContentPane().setLayout(new java.awt.FlowLayout(java.awt.FlowLayout.CENTER, 0, 0)); Tabs.setBackground(new java.awt.Color(153, 255, 255)); Tabs.setMinimumSize(new java.awt.Dimension(50, 50)); TabBoard.setBackground(new java.awt.Color(153, 255, 255)); TabBoard.setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED)); TabBoard.setForeground(new java.awt.Color(153, 255, 255)); TabBoard.setLayout(new java.awt.BorderLayout()); ScoreBar.setMaximum(32); ScoreBar.setMinimum(-32); ScoreBar.setToolTipText("Score"); ScoreBar.setFocusable(false); ScoreBar.setIndeterminate(true); ScoreBar.setString("50"); TabBoard.add(ScoreBar, java.awt.BorderLayout.PAGE_END); jScrollPane1.setHorizontalScrollBarPolicy(javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER); jScrollPane1.setVerticalScrollBarPolicy(javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS); jScrollPane1.setMaximumSize(new java.awt.Dimension(32767, 600)); MovesList.setColumns(20); MovesList.setRows(5); jScrollPane1.setViewportView(MovesList); TabBoard.add(jScrollPane1, java.awt.BorderLayout.LINE_END); BoardPanel.setLayout(new java.awt.GridLayout(1, 1)); Board.setBorder(javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED)); Board.setMaximumSize(new java.awt.Dimension(800, 800)); Board.setMinimumSize(new java.awt.Dimension(600, 600)); Board.setPreferredSize(new java.awt.Dimension(600, 600)); Board.addMouseListener(new java.awt.event.MouseAdapter() { public void mouseClicked(java.awt.event.MouseEvent evt) { BoardMouseClicked(evt); } }); BoardPanel.add(Board); TabBoard.add(BoardPanel, java.awt.BorderLayout.CENTER); Tabs.addTab("Board", TabBoard); jLabel1.setText("jLabel1"); javax.swing.GroupLayout TabChatLayout = new javax.swing.GroupLayout(TabChat); TabChat.setLayout(TabChatLayout); TabChatLayout.setHorizontalGroup( TabChatLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(TabChatLayout.createSequentialGroup().addGap(203, 203, 203).addComponent(jLabel1).addContainerGap(537, Short.MAX_VALUE))); TabChatLayout.setVerticalGroup( TabChatLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(TabChatLayout.createSequentialGroup().addGap(116, 116, 116).addComponent(jLabel1).addContainerGap(493, Short.MAX_VALUE))); Tabs.addTab("Chat", TabChat); jScrollPane2.setHorizontalScrollBarPolicy(javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER); jScrollPane2.setVerticalScrollBarPolicy(javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_NEVER); jTextArea2.setColumns(20); jTextArea2.setRows(5); jScrollPane2.setViewportView(jTextArea2); javax.swing.GroupLayout TabRulesLayout = new javax.swing.GroupLayout(TabRules); TabRules.setLayout(TabRulesLayout); TabRulesLayout.setHorizontalGroup( TabRulesLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(TabRulesLayout.createSequentialGroup().addContainerGap().addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 754, Short.MAX_VALUE).addContainerGap())); TabRulesLayout.setVerticalGroup( TabRulesLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(TabRulesLayout.createSequentialGroup().addContainerGap().addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 601, Short.MAX_VALUE).addContainerGap())); Tabs.addTab("Rules", TabRules); jScrollPane3.setHorizontalScrollBarPolicy(javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER); jScrollPane3.setVerticalScrollBarPolicy(javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_NEVER); jTextArea3.setColumns(20); jTextArea3.setRows(5); jScrollPane3.setViewportView(jTextArea3); javax.swing.GroupLayout TabAboutLayout = new javax.swing.GroupLayout(TabAbout); TabAbout.setLayout(TabAboutLayout); TabAboutLayout.setHorizontalGroup( TabAboutLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(TabAboutLayout.createSequentialGroup().addContainerGap().addComponent(jScrollPane3, javax.swing.GroupLayout.DEFAULT_SIZE, 754, Short.MAX_VALUE).addContainerGap())); TabAboutLayout.setVerticalGroup( TabAboutLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(TabAboutLayout.createSequentialGroup().addContainerGap().addComponent(jScrollPane3, javax.swing.GroupLayout.DEFAULT_SIZE, 601, Short.MAX_VALUE).addContainerGap())); Tabs.addTab("About", TabAbout); getContentPane().add(Tabs); getAccessibleContext().setAccessibleDescription("Ophe's Thud"); pack(); }// &lt;/editor-fold&gt; private void BoardMouseClicked(java.awt.event.MouseEvent evt) { int x = 1 + evt.getX() / 40; int y = 1 + evt.getY() / 40; mouseX = x * 40 - 10; mouseY = y * 40 + 35; MovesList.setText("(" + x + "," + y + ") : " + pieces[x - 1][y - 1]); repaint(); } /** * @param args the command line arguments */ public static void main(String args[]) { java.awt.EventQueue.invokeLater(new Runnable() { public void run() { new Thud().setVisible(true); } }); } public class BPanel extends JPanel { public BPanel() { } @Override public void paint(Graphics g) { super.paint(g); Graphics2D g2 = (Graphics2D) g; g2.setColor(Color.red); g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); int i; int j; for (i = 0; i &lt; 15; i++) { for (j = 0; j &lt; 15; j++) { if (pieces[i][j] == 1) { g2.drawImage(DwarfImage, i * 40 + 11, j * 40 + 60, this); } else if (pieces[i][j] == 2) { g2.drawImage(TrollImage, i * 40 + 11, j * 40 + 60, this); } } } } } // Variables declaration - do not modify private javax.swing.JLabel Board; private javax.swing.JPanel BoardPanel; private javax.swing.JTextArea MovesList; private javax.swing.JProgressBar ScoreBar; private javax.swing.JPanel TabAbout; private javax.swing.JPanel TabBoard; private javax.swing.JPanel TabChat; private javax.swing.JPanel TabRules; private javax.swing.JTabbedPane Tabs; private javax.swing.JLabel jLabel1; private javax.swing.JScrollPane jScrollPane1; private javax.swing.JScrollPane jScrollPane2; private javax.swing.JScrollPane jScrollPane3; private javax.swing.JTextArea jTextArea2; private javax.swing.JTextArea jTextArea3; // End of variables declaration } </pre><br /> http://www.programmersheaven.com/mb/java/374081/374081/ReadMessage.aspx#374081 Mon, 11 Aug 2008 07:23:22 -0700