Coding and Algorithms

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on February 01, 2017

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to create a Rainbow using java Graphics (fillArc)

Program: import java .awt .*; import java .applet .*; public class Rainbow extends Applet { public void paint (Graphics g) { int x = 10 ; int y = 10 ; int w = getWidth () - 20 ; int h = getHeight () - 20 ; g .setColor (Color.RED); g .fillArc (x, y, w, h, 0 , 180 ); y += h / 7 ; g .setColor (Color.ORANGE); g .fillArc (x, y, w, h, 0 , 180 ); y += h / 7 ; g .setColor (Color.YELLOW); g .fillArc (x, y, w, h, 0 , 180 ); y += h / 7 ; g .setColor (Color.GREEN); g .fillArc (x, y, w, h, 0 , 180 ); y += h / 7 ; g .setColor (Color.BLUE); g .fillArc (x, y, w, h, 0 , 180 ); y += h / 7 ; g .setColor (new Color( 75 , 0 , 130 )); g .fillArc (x, y, w, h, 0 , 180 ); y += h / 7 ; g .setColor (new Color( 128 , 0 , 128 )); g .fillArc (x, y, w, h, 0 , 180 ); } } output:- This code defines an ap...

To draw A smiley in Graphics with openGL (in C)

To draw A smiley in Graphics with openGL #include <GL/glut .h > // Include the GLUT library void init () { glClearColor ( 1.0 , 1.0 , 1.0 , 1.0 ); // Set the background color to white } void display () { glClear (GL_COLOR_BUFFER_BIT); // Clear the screen // Draw the face glColor3f ( 1.0 , 1.0 , 0.0 ); // Set the color to yellow glBegin (GL_POLYGON); glVertex2f ( 0.0 , 0.0 ); glVertex2f ( 0.0 , 0.5 ); glVertex2f ( 0.5 , 0.5 ); glVertex2f ( 0.5 , 0.0 ); glEnd (); // Draw the left eye glColor3f ( 0.0 , 0.0 , 0.0 ); // Set the color to black glPointSize ( 10.0 ); // Set the point size to 10 pixels glBegin (GL_POINTS); glVertex2f ( 0.15 , 0.25 ); glEnd (); // Draw the right eye glBegin (GL_POINTS); glVertex2f ( 0.35 , 0.25 ); glEnd (); // Draw the mouth glColor3f ( 1.0 , 0.0 , 0.0 ); // Set the color to red glLineWidth ( 2.0 ); // Set the line width to 2 pixels ...

GL_LINES,LINE_STRIP and LINE_LOOP

GL_LINES, GL_LINE_STRIP & GL_LINE_LOOP Code:- Output:- OpenGL is the premier environment for developing portable, interactive 2D and 3D graphics applications. Since its introduction in 1992, OpenGL has become the industry's most widely used and supported 2D and 3D graphics application programming interface (API), bringing thousands of applications to a wide variety of computer platforms.

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Anupam Bhaglania