R2toR.java

/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package mx.ipn.esfm.progII;

import java.awt.Graphics;
import static java.lang.Math.PI;
import static java.lang.Math.cos;
import static java.lang.Math.sin;

/**
 *
 * @author Jesus
 */
public class graf extends javax.swing.JFrame {
    private double maxX,maxY,mx,my;
    double escX,escY,x,y;
    /**
     * Creates new form graf
     */
    public graf() {
        initComponents();
        maxX=this.PanelPrincipal.getWidth();
        maxY=this.PanelPrincipal.getHeight();
        mx=maxX/2.0;
        my=maxY/2.0;
        escX=10.0;
        escY=10.0;
        x=y=0.0;
    }
    
    @Override
    public void paint(Graphics g){
        this.paintComponents(g);
        segmento(-mx,my,mx,-my);
        segmento(-mx,-my,mx,my);
        segmento(0,0,0,my);
        puntoRot(1,1,PI/2);
        punto(x,y);
        
    }
    
    public void segmento(double x1,double y1, double x2, double y2){
        this.PanelPrincipal.getGraphics().drawLine((int)(mx+escX*x1), (int)(my-escY*y1), (int)(mx+escX*x2), (int)(my-escY*y2));
    }
    
    public void punto(double x, double y){
        PanelPrincipal.getGraphics().drawOval((int)(mx+escX*x), (int)(my-escY*y), 1, 1);
    }
    
    public void puntoRot(double x, double y, double ang){
        PanelPrincipal.getGraphics().drawOval((int)((sin(ang)*(my-escY*y))+((mx+escX*x)*cos(ang))), (int)((-sin(ang)*(mx+escX*x))+(cos(ang))*(my-escY*y)), 1, 1);
    }
    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        PanelPrincipal = new javax.swing.JPanel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        PanelPrincipal.setBorder(javax.swing.BorderFactory.createTitledBorder("Gráfica"));

        javax.swing.GroupLayout PanelPrincipalLayout = new javax.swing.GroupLayout(PanelPrincipal);
        PanelPrincipal.setLayout(PanelPrincipalLayout);
        PanelPrincipalLayout.setHorizontalGroup(
            PanelPrincipalLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 488, Short.MAX_VALUE)
        );
        PanelPrincipalLayout.setVerticalGroup(
            PanelPrincipalLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 266, Short.MAX_VALUE)
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(PanelPrincipal, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(235, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(PanelPrincipal, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(graf.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(graf.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(graf.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(graf.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new graf().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JPanel PanelPrincipal;
    // End of variables declaration//GEN-END:variables
}