Category: 5th Semester
Java Program In Computer graphics
1. Write a java program to draw a line using DDA Algorithm.
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import java.applet.Applet; import java.awt.Graphics; public class DDA_extends Applet { public void paint(Graphics g) { double dx,dy,steps,x,y,j; double xc,yc; double x1=200, y1= 500, x2= 600, y2= 200; dx = x2-x1; dy = y2-y1; if(Math.abs(dx) > Math.abs(dy)) { steps = Math.abs(dx); } else steps = Math.abs(dy); xc = dx/steps; yc = dy/steps; x = x1; y = y1; //g.fillOval(x, y, width, height); g.fillOval((int)x, (int)y, 5, 5); for(j=1; j<=steps; j++) { x = x+xc; y= y+yc; g.fillOval((int)x, (int)y, 5, 5); System.out.println((int)y); } } } |
2.Write a java program to draw a line using Brasenhem Algorithm
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package computer_Graphics; import java.applet.*; import java.awt.*; public class Bresenhem extends Applet { double x1=200,y1=100,x2=300,y2=500; double dx,dy,steps,x,y,j; double xc,yc; public void paint(Graphics g) { int ch=6; dx=Math.abs(x2-x1); dy=Math.abs(y2-y1); x=x1; y=y1; double p=(2*dy)-(dx); int i=1; one: for(j=10;ch==6;j++) { g.fillOval((int)x,(int)y,5,5); while(p>=0) { y=y+1; p=p-(2*dx); } x=x+1; p=p+(2*dy); i++; if(i<=dx) ch=6; else break one; } } } |
3. Write a java program to draw a line using mid-point Algorithm.
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package computer_Graphics; import java.awt.*; import java.applet.*; public class MidPointCircle extends Applet { public void paint(Graphics g) { int xc=120; int yc=120; int rad=100; int X=0; int Y=rad; int p = 5/4-rad; while(X<Y) { if(p<0) { X++; p=p+2*X+2+1; } else { X++; Y--; p = p+2*X+2+1-2*Y+2; } g.fillOval(xc+X,yc+Y,2,2); g.fillOval(xc+Y,yc-X,2,2); g.fillOval(xc-Y,yc+X,2,2); g.fillOval(xc-X,yc+Y,2,2); g.fillOval(xc+X,yc-Y,2,2); g.fillOval(xc+Y,yc+X,2,2); g.fillOval(xc-Y,yc-X,2,2); g.fillOval(xc-X,yc-Y,2,2); } } } |
4.Write a java program to perform translation on a line.
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package computer_Graphics; import java.awt.Graphics; import javax.swing.JFrame; class Translation extends JFrame{ int x1 = 50; int y1 = 50; int x2 = 150; int y2 = 150; int tx = 200; int ty = 200; int px1,px2,py1,py2; public Translation() { setTitle("Line Translation"); setSize(500,500); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); px1 = x1+tx; px2 = x2+tx; py1 = y1+ty; py2 = y2+ty; setVisible(true); } public void paint(Graphics g) { g.drawLine(x1, y1, x2, y2); g.drawLine(px1, py1, px2, py2); } public static void main(String args[]) { new Translation(); } } |
5.Write a java program to […]
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Thames What is agile company? An agile company is accompany that has the quick ability to adapt to the changes. Define strategic information system. It is the system that support operations or management processes that provides a firm with strategic products, services, and capabilities for competitive advantage. Define strategy. Strategy is the determination of the […]
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