Cubic Diagram in Java - Goemetrical Diagram Code in Java

Cubic Diagram In Java

Introduction

In this section, you will learn how to create Cubic diagram. The Java2D API provides you several classes that defines common Geometry object as a coordinate component. The Java Drawing program depends on the Java2D API class, and this class is support by the "java.awt.geom" package.

Program Description:

In this program, We are using CubicCurve2D class for cubic curve component. The CubicCurve2D class creates a cubic diagram. The CubicCurve2D class also implements the shape interface. We are going to use cubicCurve2D Class to define a cubic parameter as a (x ,y) coordinate and this class is only the abstract superclass for all objects which is stored in a 2D cubic curve segment.

In this program we are passing parameter like (x1, y1, ctrlx1 , ctrly1, ctrlx2, ctrly2, x2, y2) as a coordinate space. The parameter are defined to set cubic diagram point x-axis and y-axis direction and the ctrlx1 or ctrly1 sets the x and y axis. All the parameters are explained below :

x1- The x1 point is the x coordinate used to set the start point of this cubicCurve2D
y1- A y1point is the used for y coordinate to set the start point of this cubicCurve2D
ctrlx1- The ctrl x coordinate is used to set the first control point of this cubicCurve2D
ctrl y1- A ctrl y coordinate is used to set the first control point of this cubicCurve2D
ctrlx2- the ctrl x coordinate to set the second control point of this cubicCurve2D.
ctrly2- The ctrl y coordinate is used to set the second control point of this CubicCurve2D
x2- A point is the x coordinate used to set the second point of this CubicCurve2D
y2- A point is the y coordinate used to set the second point of this cubicCurve2D.

Here is the code of this program:


import java.awt.*;

import java.awt.event.*;

import java.awt.geom.*;



public class Cubic extends Frame{

  Stroke drawingStroke = new BasicStroke(4);

  CubicCurve2D cubic= new  CubicCurve2D.Double(40,150, 40, 05, 300, 350, 300, 180);



  public void paint(Graphics g){

    Graphics2D ga = (Graphics2D)g;

    ga.setStroke(drawingStroke);

    ga.draw(cubic);

    }

  public static void main(String args[]){

    Frame frame = new Cubic();

    frame.addWindowListener(new WindowAdapter(){

      public void windowClosing(WindowEvent we){

        System.exit(0);

      }

    });

    frame.setSize(310, 300);

    frame.setVisible(true);

  }

}

Output of this program:

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