Bresenham Line Algorithm Using OpenGL and C++ _ CSE ENGINEERS

Bresenham Line Algorithm Using OpenGL and C++ | CSE ENGINEERS

CSE ENGINEERS Al Hizbul Bahar

Home PHP

About Me cake php

JAVA

Python

WordPress

OpenGL

Linux/Ubuntu

Home › OpenGL › Bresenham Line Algorithm Using OpenGL and C++

Bresenham Line Algorithm Using OpenGL and C++ Posted on May 21, 2013 by Al Hizbul Bahar — Leave a comment ↓

Bresenham Line Algorithm Using OpenGL and C++.

// bresenham_line_algorithm.cpp : Defnes the entry point for the console application. //

#include "stdafx.h" #include "GL/glut.h";

foat x1,x2,y1,y2,b=0; void setPixel(int x, int y)

{

http://engineersview.wordpress.com/2013/05/21/bresenham-line-algorithm-using-opengl-and-c/[11/02/2014 19:59:53]

Follow


lBegin(GL_POINTS); g glVertex2i(x,y);

glEnd();

glFlush();

}

void horizontal() {

if(x1>x2)

{

foat temp;

temp = x1;

x1 = x2;

x2 = temp;

}

for(foat x=x1; x<=x2; x++)

{

setPixel(x,y1);

}

}

void vertical() {

if(y1>y2)

{

foat temp;

temp = y1;

y1 = y2;

y2 = temp;

}

for(foat y=y1; y<=y2; y++)

{

setPixel(x1,y);

}

}

void bresenham1() {

if(x1>x2)

{

foat temp;

temp = x1;

x1 = x2;

x2 = temp;

temp = y1;

y1 = y2;


Follow “CSE ENGINEERS” Get every new post delivered to your Inbox. Enter your email address Sign me up

Powered by WordPress.com


y 2 = temp; }

int x = x1, y = y1;

int dx = x2-x1;

int dy = y2-y1;

int dT = 2*(dy-dx);

int dS = 2*dy;

int d = 2*dy-dx;

setPixel(x,y); while(x
{

x++;

if(d<0)

{

d = d+dS;

}

else

{

d = d+dT;

y++;

}

setPixel(x,y);

}

setPixel(x2,y2);

}

void bresenham2() {

if(x1>x2)

{

foat temp;

temp = x1;

x1 = x2;

x2 = temp;

temp = y1;

y1 = y2;

y2 = temp;

}

int x = x1, y = y1;

int dx = x2-x1;

int dy = y2-y1;

int dT = 2*(dy+dx);

int dS = 2*dy;

int d = -(2*dx+dy);



setPixel(x,y); while(x
{

x++;

if(d<0)

{

d = d-dS;

}

else

{

y–;

d = d-dT;

}

setPixel(x,y);

}

setPixel(x2,y2);

}

void bresenham3() {

if(y1>y2)

{

foat temp;

temp = x1;

x1 = x2;

x2 = temp;

temp = y1;

y1 = y2;

y2 = temp;

}

int x = x1, y = y1;

int dx = x2-x1;

int dy = y2-y1;

int dT = 2*(dx-dy);

int dS = 2*dx;

int d = 2*dx-dy;

setPixel(x,y); while(y
{

y++;

if(d<0)

{

d = d+dS;

}

else



{

x++;

d = d+dT;

}

setPixel(x,y);

}

setPixel(x2,y2);

}

void bresenham4() {

if(y1>y2)

{

foat temp;

temp = x1;

x1 = x2;

x2 = temp;

temp = y1;

y1 = y2;

y2 = temp;

}

int x = x1, y = y1;

int dx = x2-x1;

int dy = y2-y1;

int dT = 2*(dy+dx);

int dS = 2*dx;

int d = -(2*dy+dx);

setPixel(x,y); while(y
{

y++;

if(d<0)

{

d = d-dS;

}

else

{

x–;

d = d-dT;

}

setPixel(x,y);

}

setPixel(x2,y2);

}



void myMouse(int button, int state, int x, int y) {

if(button == GLUT_LEFT_BUTTON && state == GLUT_DOWN)

{

if(b==0)

{

x1 = x;

y1 = 480-y;

b = 1;

}

else if(b==1)

{

x2 = x;

y2 = 480-y;

b = 0;

if(y1==y2) horizontal(); else if(x1==x2) vertical();

foat m = (y2-y1)/(x2-x1); if(0m && m>-1) bresenham2();

else if(1
else if(-1>m) bresenham4();

}

}

}

void myDisplay(void) {

glClearColor(1.0,1.0,1.0,0.0);

glColor3f(1.0,0.0,0.0);

gluOrtho2D(0.0,640.0,0.0,480.0);

glClear(GL_COLOR_BUFFER_BIT);

glutMouseFunc(myMouse);

glFlush();

}

int _tmain(int argc, char** argv) {

glutInitWindowSize(640,480);

glutInitWindowPosition(100, 100);

glutCreateWindow ("A simple Line");

glutDisplayFunc(myDisplay);

glutMainLoop ( );



r eturn 0; }

To get complete code and project contact with me through email , mobile. You may commented below as your requirement.

Share this:

 Twitter

 Facebook

Related

DDA Line Drawing Algorithm Using OpenGL and C++ In "OpenGL"

Bresenham Circle Algorithm Using OpenGL and C++ In "OpenGL"

Lexical Analysis in Compiler Design Using Java In "JAVA"

About Al Hizbul Bahar Junior Software Engineer at Nascenia IT , Dhaka , Bangladesh

‹

Bresenham Circle Algorithm Using OpenGL and C++ Car Workshop(Multi Server Queuing) Simulation Using Java

Tagged with: Bresenham algorithm, OpenGL Posted in OpenGL

Leave a Reply

search here …

Go


›


Archives January 2014 December 2013 November 2013 September 2013 July 2013 June 2013 May 2013 April 2013

My Cloud Algorithm array banker's algorithm Binary Search Bresenham

algorithm c++ cakephp Compiler country array cpu scheduling

java

php

data insert Factorial Fibonacci First Follow framework GCD image to binary ip address

comm linux command MANET Multi

Server nam ns2 OpenGL OS paypal

Javascript lamp Lexical Analysis linux

php framework prime Prime

number

python shortest path simulation single server sql ubuntu12.04 user login user registration validation

Pyramid

wirelessnetwork wordpress youtube

Popular Posts & Pages CPU Scheduling Algorithm using Java Bresenham Line Algorithm Using OpenGL and C++ Install ns2 in Ubuntu 12.04 LTS Image to binary and binary to image conversion in php Simple registration in CakePHP Banker's Algorithm Using Java DDA Line Drawing Algorithm Using OpenGL and C++ Simulation of Single Server Queuing System User Login in CakePHP Bresenham Circle Algorithm Using OpenGL and C++

CSE Engineers CSE Engineers



Like

102 people like CSE Engineers.

Facebook social plugin

© 2014 CSE ENGINEERS

↑

Blog at WordPress.com.

| The Responsive Theme.


Bresenham Line Algorithm Using OpenGL and C++ _ CSE ENGINEERS

Recommend Documents