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@ -41,6 +41,7 @@ import javax.swing.JOptionPane;
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import javax.swing.SwingUtilities;
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import javax.swing.filechooser.FileFilter;
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import javax.swing.filechooser.FileNameExtensionFilter;
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import org.math.plot.Plot2DPanel;
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import org.matheclipse.core.eval.EvalUtilities;
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import org.matheclipse.parser.client.math.MathException;
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@ -51,8 +52,7 @@ import org.matheclipse.parser.client.math.MathException;
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public class Graph extends javax.swing.JInternalFrame {
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private final JFileChooser fc = new JFileChooser();
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private BufferedImage gpnl;
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private Graphics gg; // Main graphics object
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private boolean standalone = true;
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private boolean customName = false;
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@ -62,13 +62,9 @@ public class Graph extends javax.swing.JInternalFrame {
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// If a graph is being drawn, set to true, else false
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boolean graphing = false;
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// Graph scaling data.
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private double xtimes = 15;
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private double ytimes = 15;
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private double scale = 1;
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// The current value for the zoom/scale, as entered by the user
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private int scaleLevel = 0;
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// Graph min and max
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private double xmin = -10;
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private double xmax = 10;
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/**
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* Creates new form Graph
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@ -84,12 +80,12 @@ public class Graph extends javax.swing.JInternalFrame {
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private void init() {
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initComponents();
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gpnl = new BufferedImage(300, 300, BufferedImage.TYPE_INT_ARGB);
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FileFilter filter = new FileNameExtensionFilter("PNG image (.png)", "png");
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fc.setFileFilter(filter);
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fc.addChoosableFileFilter(filter);
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filter = new FileNameExtensionFilter("JPEG image (.jpg)", "jpg");
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fc.addChoosableFileFilter(filter);
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plot.plotToolBar.remove(5);
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plot.plotToolBar.remove(4);
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plot.plotToolBar.remove(3);
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}
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@Override
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@ -117,24 +113,22 @@ public class Graph extends javax.swing.JInternalFrame {
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inBox = new javax.swing.JTextField();
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jLabel1 = new javax.swing.JLabel();
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plotBtn = new javax.swing.JButton();
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gLbl = new javax.swing.JLabel();
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plot = new org.math.plot.Plot2DPanel();
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jMenuBar1 = new javax.swing.JMenuBar();
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jMenu1 = new javax.swing.JMenu();
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jMenuItem2 = new javax.swing.JMenuItem();
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exportBtn = new javax.swing.JMenuItem();
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jMenu2 = new javax.swing.JMenu();
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clrGraphBtn = new javax.swing.JMenuItem();
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jMenuItem6 = new javax.swing.JMenuItem();
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jMenuItem3 = new javax.swing.JMenuItem();
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scaleLbl = new javax.swing.JMenu();
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setTitleBtn = new javax.swing.JMenuItem();
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setClosable(true);
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setDefaultCloseOperation(javax.swing.WindowConstants.HIDE_ON_CLOSE);
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setIconifiable(true);
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setMaximizable(true);
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setResizable(true);
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setTitle("Graph");
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setToolTipText("");
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setFrameIcon(new javax.swing.ImageIcon(getClass().getResource("/net/apocalypselabs/symat/icons/graph.png"))); // NOI18N
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setMaximumSize(new java.awt.Dimension(326, 402));
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setMinimumSize(new java.awt.Dimension(326, 402));
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setPreferredSize(new java.awt.Dimension(326, 402));
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addComponentListener(new java.awt.event.ComponentAdapter() {
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public void componentShown(java.awt.event.ComponentEvent evt) {
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@ -158,24 +152,16 @@ public class Graph extends javax.swing.JInternalFrame {
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}
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});
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gLbl.setBackground(new java.awt.Color(255, 255, 255));
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gLbl.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
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gLbl.setToolTipText("");
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gLbl.setMaximumSize(new java.awt.Dimension(300, 300));
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gLbl.setMinimumSize(new java.awt.Dimension(300, 300));
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gLbl.setOpaque(true);
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gLbl.setPreferredSize(new java.awt.Dimension(300, 300));
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jMenu1.setText("File");
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jMenuItem2.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_S, java.awt.event.InputEvent.CTRL_MASK));
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jMenuItem2.setText("Export graph...");
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jMenuItem2.addActionListener(new java.awt.event.ActionListener() {
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exportBtn.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_S, java.awt.event.InputEvent.CTRL_MASK));
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exportBtn.setText("Export graph...");
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exportBtn.addActionListener(new java.awt.event.ActionListener() {
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public void actionPerformed(java.awt.event.ActionEvent evt) {
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jMenuItem2ActionPerformed(evt);
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exportBtnActionPerformed(evt);
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}
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});
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jMenu1.add(jMenuItem2);
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jMenu1.add(exportBtn);
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jMenuBar1.add(jMenu1);
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@ -190,30 +176,17 @@ public class Graph extends javax.swing.JInternalFrame {
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});
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jMenu2.add(clrGraphBtn);
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jMenuItem6.setText("Scale...");
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jMenuItem6.addActionListener(new java.awt.event.ActionListener() {
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setTitleBtn.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_T, java.awt.event.InputEvent.CTRL_MASK));
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setTitleBtn.setText("Set Title...");
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setTitleBtn.addActionListener(new java.awt.event.ActionListener() {
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public void actionPerformed(java.awt.event.ActionEvent evt) {
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jMenuItem6ActionPerformed(evt);
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setTitleBtnActionPerformed(evt);
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}
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});
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jMenu2.add(jMenuItem6);
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jMenuItem3.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_T, java.awt.event.InputEvent.CTRL_MASK));
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jMenuItem3.setText("Set Title...");
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jMenuItem3.addActionListener(new java.awt.event.ActionListener() {
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public void actionPerformed(java.awt.event.ActionEvent evt) {
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jMenuItem3ActionPerformed(evt);
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}
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});
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jMenu2.add(jMenuItem3);
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jMenu2.add(setTitleBtn);
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jMenuBar1.add(jMenu2);
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scaleLbl.setForeground(java.awt.Color.blue);
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scaleLbl.setText("Scale: 1 to 1");
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scaleLbl.setEnabled(false);
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jMenuBar1.add(scaleLbl);
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setJMenuBar(jMenuBar1);
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javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
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@ -222,21 +195,18 @@ public class Graph extends javax.swing.JInternalFrame {
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layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
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.addGroup(layout.createSequentialGroup()
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.addContainerGap()
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.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
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.addGroup(layout.createSequentialGroup()
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.addComponent(jLabel1)
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.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
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.addComponent(inBox, javax.swing.GroupLayout.PREFERRED_SIZE, 215, javax.swing.GroupLayout.PREFERRED_SIZE)
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.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
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.addComponent(plotBtn))
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.addComponent(gLbl, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
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.addGap(0, 0, 0))
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.addComponent(jLabel1)
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.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
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.addComponent(inBox, javax.swing.GroupLayout.DEFAULT_SIZE, 215, Short.MAX_VALUE)
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.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
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.addComponent(plotBtn)
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.addGap(10, 10, 10))
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.addComponent(plot, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
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);
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layout.setVerticalGroup(
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layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
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.addGroup(layout.createSequentialGroup()
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.addContainerGap()
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.addComponent(gLbl, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
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.addComponent(plot, javax.swing.GroupLayout.DEFAULT_SIZE, 311, Short.MAX_VALUE)
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.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
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.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
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.addComponent(inBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
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@ -281,61 +251,74 @@ public class Graph extends javax.swing.JInternalFrame {
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}
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});
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for (String formula : frmlas) {
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String niceformula = formula;
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CodeRunner cr = new CodeRunner();
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formula = formula.replaceAll("x", "\\$x");
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EvalUtilities solver = new EvalUtilities();
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double xx, yy, xo, yo, x;
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xo = 0;
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yo = 0;
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gg = gpnl.getGraphics();
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drawAxes();
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gg.setColor(Color.BLUE);
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for (x = (-10 * scale); x <= (10 * scale); x += (10 * scale * .01)) {
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String xx = "";
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String yy = "";
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double x;
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for (x = xmin; x <= xmax; x += ((xmax - xmin) / 40.0)) {
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try {
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cr.setVar("x", x);
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yy = (-(Double.parseDouble(solver.evaluate("$x=" + x + ";N[" + formula + "]").toString())) * ytimes) + (gpnl.getHeight() / 2);
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//System.err.println(solver.evaluate("$x="+x+";N["+formula+"]").toString());
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xx = (x * xtimes) + (gpnl.getWidth() / 2);
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//gg.drawOval(xx-1, yy-1, 2, 2);
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if (x != (-10 * scale)) {
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gg.drawLine((int) xo, (int) yo, (int) xx, (int) yy);
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}
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xo = xx;
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yo = yy;
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yy += solver.evaluate("$x=" + x + ";N[" + formula + "]").toString() + " ";
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xx += String.valueOf(x) + " ";
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} catch (MathException | NumberFormatException ex) {
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}
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}
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gg.translate(gpnl.getWidth() / 2, gpnl.getHeight() / 2);
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SwingUtilities.invokeLater(new Runnable() {
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@Override
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public void run() {
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dispGraph();
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if (!customName) {
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setTitle("Graph | " + inBox.getText());
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}
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history += inBox.getText() + "\n";
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}
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});
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Debug.println(xx);
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Debug.println(yy);
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String[] xs = xx.trim().split(" ");
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String[] ys = yy.trim().split(" ");
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double[] xd = new double[xs.length];
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double[] yd = new double[ys.length];
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for (int i = 0; i < xs.length; i++) {
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xd[i] = Double.parseDouble(xs[i]);
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}
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for (int i = 0; i < ys.length; i++) {
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yd[i] = Double.parseDouble(ys[i]);
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}
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SwingUtilities.invokeLater(new Updater(niceformula, xd, yd));
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}
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SwingUtilities.invokeLater(new Runnable() {
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@Override
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public void run() {
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inBox.setEnabled(true);
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plotBtn.setEnabled(true);
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for (Component mu : jMenuBar1.getComponents()) {
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mu.setEnabled(true);
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}
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SwingUtilities.invokeLater(new Finisher());
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}
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private class Updater implements Runnable {
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final double[] xd;
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final double[] yd;
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final String formula;
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public Updater(String frmla, double[] x, double[] y) {
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xd = x;
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yd = y;
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formula = frmla;
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}
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@Override
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public void run() {
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plot.addLinePlot(formula, xd, yd);
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history += formula + "\n";
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}
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}
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private class Finisher implements Runnable {
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@Override
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public void run() {
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inBox.setEnabled(true);
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plotBtn.setEnabled(true);
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for (Component mu : jMenuBar1.getComponents()) {
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mu.setEnabled(true);
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}
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});
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}
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}
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}
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private void formComponentShown(java.awt.event.ComponentEvent evt) {//GEN-FIRST:event_formComponentShown
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gg = gpnl.getGraphics();
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drawAxes();
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gg.translate(gpnl.getWidth() / 2, gpnl.getHeight() / 2);
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dispGraph();
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}//GEN-LAST:event_formComponentShown
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/**
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@ -354,46 +337,8 @@ public class Graph extends javax.swing.JInternalFrame {
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return gscale;
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}
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/**
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* Set the zoom level. The larger the int, the more zoomed it is.
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*
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* @param zoomLevel Level to zoom. 0 is default (10x10).
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*/
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public void setZoom(int zoomLevel) {
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scaleLevel = zoomLevel;
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if (zoomLevel >= 0) {
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xtimes = 15.0 * (zoomLevel + 1.0);
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ytimes = 15.0 * (zoomLevel + 1.0);
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} else {
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xtimes = 15.0 / (abs(zoomLevel) + 1.0);
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ytimes = 15.0 / (abs(zoomLevel) + 1.0);
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}
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scale = getScale(zoomLevel);
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scaleLbl.setText("Scale: 1 to " + scale);
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Debug.println("Scaled to xtimes=" + xtimes + ", ytimes=" + ytimes + ", scale=1to" + scale);
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clearDraw(false);
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if (!history.trim().equals("")) {
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String temp = "";
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for (String cmd : history.trim().split("\n")) {
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cmd = cmd.trim();
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if (!cmd.equals("")) {
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temp += cmd + "\n";
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}
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}
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history = temp.trim();
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new GraphThread(history.split("\n")).start();
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inBox.setText("");
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}
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}
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private void dispGraph() {
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gLbl.setIcon(new ImageIcon(gpnl));
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}
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public void drawDot(double x, double y) {
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gg.setColor(Color.RED);
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gg.drawOval((int) (x * xtimes - 2), (int) (y * -ytimes - 2), 4, 4);
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dispGraph();
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// TODO: implement this
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}
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private void inBoxKeyTyped(java.awt.event.KeyEvent evt) {//GEN-FIRST:event_inBoxKeyTyped
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@ -406,23 +351,11 @@ public class Graph extends javax.swing.JInternalFrame {
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clearDraw();
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}//GEN-LAST:event_clrGraphBtnActionPerformed
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private void jMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem2ActionPerformed
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int r = fc.showSaveDialog(this);
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if (r == JFileChooser.APPROVE_OPTION) {
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try {
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File file = new File(addSaveExt(fc.getSelectedFile().toString()));
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if (file.toString().endsWith("png")) {
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ImageIO.write(gpnl, "png", file);
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} else if (file.toString().endsWith("jpg")) {
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ImageIO.write(gpnl, "jpg", file);
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}
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} catch (IOException ex) {
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JOptionPane.showInternalMessageDialog(this, "Error: Cannot save file: " + ex.getMessage());
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}
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}
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}//GEN-LAST:event_jMenuItem2ActionPerformed
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private void exportBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exportBtnActionPerformed
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}//GEN-LAST:event_exportBtnActionPerformed
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private void jMenuItem3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem3ActionPerformed
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private void setTitleBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_setTitleBtnActionPerformed
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String wintitle = JOptionPane.showInternalInputDialog(this,
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"New window title:",
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"Rename",
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@ -430,22 +363,36 @@ public class Graph extends javax.swing.JInternalFrame {
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if (wintitle != null && !wintitle.equals("")) {
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setWindowTitle(wintitle);
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}
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}//GEN-LAST:event_jMenuItem3ActionPerformed
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private void jMenuItem6ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem6ActionPerformed
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GraphScale gs = new GraphScale(scaleLevel);
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int size = 0;
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int result = JOptionPane.showInternalConfirmDialog(this,
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gs,
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"Graph Scale",
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JOptionPane.OK_CANCEL_OPTION,
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JOptionPane.PLAIN_MESSAGE);
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if (result == JOptionPane.OK_OPTION) {
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size = gs.getScale();
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Debug.println("Scaling to: " + size);
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setZoom(size);
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}//GEN-LAST:event_setTitleBtnActionPerformed
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/**
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* Get the range of the graph.
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*
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* @return {xmin, xmax}
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*/
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public double[] getRange() {
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double[] range = {xmin, xmax};
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return range;
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}
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public void setRange(double min, double max) {
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xmin = min;
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xmax = max;
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clearDraw(false);
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if (!history.trim().equals("")) {
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String temp = "";
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for (String cmd : history.trim().split("\n")) {
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cmd = cmd.trim();
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if (!cmd.equals("")) {
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temp += cmd + "\n";
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}
|
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}
|
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|
|
history = temp.trim();
|
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|
|
new GraphThread(history.split("\n")).start();
|
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inBox.setText("");
|
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}
|
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}//GEN-LAST:event_jMenuItem6ActionPerformed
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}
|
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|
/**
|
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|
|
|
* Graph the given function. Same as typing into input box and pressing
|
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|
|
|
@ -459,7 +406,7 @@ public class Graph extends javax.swing.JInternalFrame {
|
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}
|
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|
|
private String addSaveExt(String path) {
|
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|
|
|
if (!path.matches(".*\\.(png|jpg)")) {
|
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|
|
if (!path.matches(".*\\.(png)")) {
|
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|
|
path += ".png";
|
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|
|
}
|
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|
|
return path;
|
|
|
|
|
@ -497,41 +444,22 @@ public class Graph extends javax.swing.JInternalFrame {
|
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|
|
* @param alsoHistory True if history should be removed
|
|
|
|
|
*/
|
|
|
|
|
public void clearDraw(boolean alsoHistory) {
|
|
|
|
|
gpnl = new BufferedImage(300, 300, BufferedImage.TYPE_INT_ARGB);
|
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|
|
gg = gpnl.getGraphics();
|
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|
|
drawAxes();
|
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|
|
gg.translate(gpnl.getWidth() / 2, gpnl.getHeight() / 2);
|
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|
|
dispGraph();
|
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|
|
setTitle("Graph");
|
|
|
|
|
if (alsoHistory) {
|
|
|
|
|
history = "";
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
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|
|
private void drawAxes() {
|
|
|
|
|
gg.setColor(Color.GRAY);
|
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|
|
gg.drawLine(150, 0, 150, 300);
|
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|
|
gg.drawLine(0, 150, 300, 150);
|
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|
|
// Draw points
|
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|
|
for (int i = 0; i <= 315; i += 15) {
|
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|
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gg.drawOval(150 - 1, i - 1, 2, 2);
|
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gg.drawOval(i - 1, 150 - 1, 2, 2);
|
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|
|
}
|
|
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|
|
gg.setColor(Color.BLUE);
|
|
|
|
|
plot.removeAllPlots();
|
|
|
|
|
}
|
|
|
|
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|
|
// Variables declaration - do not modify//GEN-BEGIN:variables
|
|
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|
|
private javax.swing.JMenuItem clrGraphBtn;
|
|
|
|
|
private javax.swing.JLabel gLbl;
|
|
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|
|
private javax.swing.JMenuItem exportBtn;
|
|
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|
|
private javax.swing.JTextField inBox;
|
|
|
|
|
private javax.swing.JLabel jLabel1;
|
|
|
|
|
private javax.swing.JMenu jMenu1;
|
|
|
|
|
private javax.swing.JMenu jMenu2;
|
|
|
|
|
private javax.swing.JMenuBar jMenuBar1;
|
|
|
|
|
private javax.swing.JMenuItem jMenuItem2;
|
|
|
|
|
private javax.swing.JMenuItem jMenuItem3;
|
|
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|
|
private javax.swing.JMenuItem jMenuItem6;
|
|
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|
|
private org.math.plot.Plot2DPanel plot;
|
|
|
|
|
private javax.swing.JButton plotBtn;
|
|
|
|
|
private javax.swing.JMenu scaleLbl;
|
|
|
|
|
private javax.swing.JMenuItem setTitleBtn;
|
|
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|
|
// End of variables declaration//GEN-END:variables
|
|
|
|
|
}
|
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skylarmt
9 years ago